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<title>不同环境温度下聚氨酯喷涂组合料发泡性能对比实验​_软泡硅油_海绵硅油_阻燃硅油_慢回弹硅油_高回弹硅油</title>
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		<h1 class="entry-title">不同环境温度下聚氨酯喷涂组合料发泡性能对比实验​</h1>
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			<span class="entry-date"><time>2025年6月19日</time></span>		
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				不同环境温度下聚氨酯喷涂组合料发泡性能对比实验​
摘要​
聚氨酯喷涂组合料在建筑保温、管道隔热等众多领域广泛应用，其发泡性能直接影响产品质量与使用效果。环境温度作为影响发泡性能的关键因素，深入探究其...			</p>
		
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		<div class="ace-line heading-h1" dir="auto" data-node="true"><strong><span class="lb">不同环境温度下<a href="https://www.51qiguang.com/">聚氨酯喷涂组合料发泡</a>性能对比实验​</span></strong></div>
<div class="ace-line heading-h2" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">摘要</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">聚氨酯喷涂组合料在建筑保温、管道隔热等众多领域广泛应用，其发泡性能直接影响产品质量与使用效果。环境温度作为影响发泡性能的关键因素，深入探究其影响规律意义重大。本实验通过设置不同环境温度，对聚氨酯喷涂组合料的发泡密度、泡孔结构、压缩强度等性能进行测试对比，分析温度与发泡性能的关系，为聚氨酯喷涂组合料在不同环境下的合理应用提供数据支持与理论依据。</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line heading-h2" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">一、引言</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">聚氨酯泡沫材料凭借优异的保温隔热、防水密封等性能，在建筑、制冷、交通运输等行业占据重要地位。聚氨酯喷涂组合料作为制备聚氨酯泡沫的核心原料，其发泡过程受多种因素影响，其中环境温度的作用尤为显著。在实际施工中，不同地区、不同季节的环境温度差异较大，若不了解温度对发泡性能的影响，可能导致泡沫质量不稳定，出现密度不均、强度不足等问题，影响工程质量与使用寿命。国内外众多学者对聚氨酯发泡过程展开研究，[1] 研究指出温度变化会改变聚氨酯反应速率与气泡生长过程，但针对不同环境温度下聚氨酯喷涂组合料发泡性能的系统性对比实验研究仍有待丰富。本实验旨在通过科学设计与精确测试，揭示环境温度对聚氨酯喷涂组合料发泡性能的影响规律。</span></span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-enter="true" data-leaf="true"><img decoding="async" class="alignnone size-full wp-image-5922" src="https://www.51qiguang.com/wp-content/uploads/2025/06/7-5.png" alt="" width="853" height="479" srcset="https://www.51qiguang.com/wp-content/uploads/2025/06/7-5.png 853w, https://www.51qiguang.com/wp-content/uploads/2025/06/7-5-300x168.png 300w, https://www.51qiguang.com/wp-content/uploads/2025/06/7-5-768x431.png 768w" sizes="(max-width: 853px) 100vw, 853px" />​</span></div>
<div class="ace-line heading-h2" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">二、聚氨酯喷涂组合料产品参数</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">聚氨酯喷涂组合料通常由异氰酸酯组分（a 料）和多元醇及助剂等组成的组合聚醚组分（b 料）构成。以某知名品牌的聚氨酯喷涂组合料为例，其主要产品参数如下表所示：</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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</tr>
<tr class="ace-table-row">
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr1xewmnijqnpavq2aihbaprc0">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr1xewmnijqnpavq2aihbaprc0 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr1xewmnijqnpavq2aihbaprc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">化学组成</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr1xewmnijqnpavq2aihbaprc1">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr1xewmnijqnpavq2aihbaprc1 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr1xewmnijqnpavq2aihbaprc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">主要成分</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr1xewmnijqnpavq2aihbaprc2">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr1xewmnijqnpavq2aihbaprc2 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr1xewmnijqnpavq2aihbaprc2" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">多亚甲基多苯基多异氰酸酯</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr1xewmnijqnpavq2aihbaprc3">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr1xewmnijqnpavq2aihbaprc3 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr1xewmnijqnpavq2aihbaprc3" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">聚醚多元醇、催化剂、发泡剂、稳定剂等</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
</tr>
<tr class="ace-table-row">
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr2xewmnijqnpavq2aihbaprc0">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr2xewmnijqnpavq2aihbaprc0 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr2xewmnijqnpavq2aihbaprc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">物理性质</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr2xewmnijqnpavq2aihbaprc1">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr2xewmnijqnpavq2aihbaprc1 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr2xewmnijqnpavq2aihbaprc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">外观</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr2xewmnijqnpavq2aihbaprc2">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr2xewmnijqnpavq2aihbaprc2 ace-editor" contenteditable="false" data-zone-id="x6vlwtwqpfysigokwwmbsr2xewmnijqnpavq2aihbaprc2" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">棕褐色粘稠液体</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr2xewmnijqnpavq2aihbaprc3">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr2xewmnijqnpavq2aihbaprc3 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr2xewmnijqnpavq2aihbaprc3" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">淡黄色粘稠液体</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
</tr>
<tr class="ace-table-row">
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr3xewmnijqnpavq2aihbaprc0">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr3xewmnijqnpavq2aihbaprc0 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr3xewmnijqnpavq2aihbaprc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr3xewmnijqnpavq2aihbaprc1">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr3xewmnijqnpavq2aihbaprc1 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr3xewmnijqnpavq2aihbaprc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">密度（25℃，g/cm³）</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr3xewmnijqnpavq2aihbaprc2">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr3xewmnijqnpavq2aihbaprc2 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr3xewmnijqnpavq2aihbaprc2" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">1.25 &#8211; 1.35</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr3xewmnijqnpavq2aihbaprc3">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr3xewmnijqnpavq2aihbaprc3 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr3xewmnijqnpavq2aihbaprc3" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">1.05 &#8211; 1.15</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
</tr>
<tr class="ace-table-row">
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr4xewmnijqnpavq2aihbaprc0">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr4xewmnijqnpavq2aihbaprc0 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr4xewmnijqnpavq2aihbaprc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr4xewmnijqnpavq2aihbaprc1">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr4xewmnijqnpavq2aihbaprc1 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr4xewmnijqnpavq2aihbaprc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">粘度（25℃，mpa・s）</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr4xewmnijqnpavq2aihbaprc2">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr4xewmnijqnpavq2aihbaprc2 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr4xewmnijqnpavq2aihbaprc2" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">100 &#8211; 200</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr4xewmnijqnpavq2aihbaprc3">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr4xewmnijqnpavq2aihbaprc3 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr4xewmnijqnpavq2aihbaprc3" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">200 &#8211; 300</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
</tr>
<tr class="ace-table-row">
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr5xewmnijqnpavq2aihbaprc0">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr5xewmnijqnpavq2aihbaprc0 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr5xewmnijqnpavq2aihbaprc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">反应参数</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr5xewmnijqnpavq2aihbaprc1">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr5xewmnijqnpavq2aihbaprc1 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr5xewmnijqnpavq2aihbaprc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">配比（a:b，质量比）</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr5xewmnijqnpavq2aihbaprc2">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr5xewmnijqnpavq2aihbaprc2 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr5xewmnijqnpavq2aihbaprc2" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">\multicolumn{2}{</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
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<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr5xewmnijqnpavq2aihbaprc3">
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<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">c</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr6xewmnijqnpavq2aihbaprc0">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr6xewmnijqnpavq2aihbaprc0 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr6xewmnijqnpavq2aihbaprc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr6xewmnijqnpavq2aihbaprc1">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr6xewmnijqnpavq2aihbaprc1 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr6xewmnijqnpavq2aihbaprc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">反应活性（适用期，min，25℃）</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<td class="ace-table-cell tb-resizable" contenteditable="true">
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<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="x6vlwtwqpfysigokwwmbsr6xewmnijqnpavq2aihbaprc2">
<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr6xewmnijqnpavq2aihbaprc2 ace-editor" contenteditable="false" data-zone-id="x6vlwtwqpfysigokwwmbsr6xewmnijqnpavq2aihbaprc2" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">\multicolumn{2}{</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<div class="zone-container zoneid-x6vlwtwqpfysigokwwmbsr6xewmnijqnpavq2aihbaprc3 ace-editor" data-zone-id="x6vlwtwqpfysigokwwmbsr6xewmnijqnpavq2aihbaprc3" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">c</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<p><span class=" not-display-enter" data-string="true" data-enter="true" data-leaf="true">​</span></p>
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<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">这些参数决定了组合料的反应特性与发泡性能，不同厂家的产品在参数上可能存在差异，合理选择与控制参数是获得优质泡沫的基础。</span></span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-enter="true" data-leaf="true"><img decoding="async" class="alignnone size-full wp-image-5923" src="https://www.51qiguang.com/wp-content/uploads/2025/06/5-5.png" alt="" width="861" height="477" srcset="https://www.51qiguang.com/wp-content/uploads/2025/06/5-5.png 861w, https://www.51qiguang.com/wp-content/uploads/2025/06/5-5-300x166.png 300w, https://www.51qiguang.com/wp-content/uploads/2025/06/5-5-768x425.png 768w" sizes="(max-width: 861px) 100vw, 861px" />​</span></div>
<div class="ace-line heading-h2" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">三、实验设计</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line heading-h3" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">3.1 实验材料与设备</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">实验选用上述品牌的聚氨酯喷涂组合料，确保材料批次相同、质量稳定。实验设备包括恒温恒湿箱（用于控制环境温度，精度 ±1℃）、电子天平（精度 0.001g）、泡沫密度测试仪、扫描电子显微镜（用于观察泡孔结构）、万能材料试验机（测试压缩强度）等。</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line heading-h3" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">3.2 实验方案</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">设置 5 个不同的环境温度，分别为 5℃、15℃、25℃、35℃、45℃。在每个温度条件下，将 a 料与 b 料按照 1:1 的质量比混合，快速搅拌均匀后，立即喷涂在模具中，制成尺寸为 100mm×100mm×100mm 的泡沫试样。每个温度点制备 3 个平行试样，以减少实验误差。试样成型后，在对应温度环境下养护 24 小时，然后进行各项性能测试。</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line heading-h3" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">3.3 测试指标与方法</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line ol-idhb28vasl list-div list-start-number1" dir="auto" data-node="true">
<ol class="list-number1 r-list r-list-number" start="1" data-origin-start="1" data-start="1">
<li data-start="1"><span data-leaf="true"><span class="lb">发泡密度</span></span><span data-leaf="true"><span class="lb">：依据 gb/t 6343 &#8211; 2009《泡沫塑料及橡胶 表观密度的测定》，采用排水法测量泡沫试样的密度。将试样放入盛有水的量筒中，测量其排开水的体积，结合试样质量计算密度。</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
</ol>
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<div class="ace-line ol-idszora4hi list-div" dir="auto" data-node="true">
<ol class="list-number1 r-list r-list-number" start="2" data-origin-start="2" data-start="2">
<li data-start="2"><span data-leaf="true"><span class="lb">泡孔结构</span></span><span data-leaf="true"><span class="lb">：选取试样的中心部位，切割成薄片，利用扫描电子显微镜进行观察，拍摄泡孔图像，分析泡孔大小、形状及分布情况。</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
</ol>
</div>
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<ol class="list-number1 r-list r-list-number" start="3" data-origin-start="3" data-start="3">
<li data-start="3"><span data-leaf="true"><span class="lb">压缩强度</span></span><span data-leaf="true"><span class="lb">：按照 gb/t 8813 &#8211; 2020《硬质泡沫塑料 压缩性能的测定》，使用万能材料试验机对试样进行压缩测试，加载速度为 5mm/min，记录试样压缩至 10% 变形量时的压缩应力，作为压缩强度指标。</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
</ol>
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<div class="ace-line heading-h2" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">四、实验结果与分析</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line heading-h3" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">4.1 发泡密度</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">不同环境温度下聚氨酯喷涂组合料发泡试样的密度测试结果如下表所示：</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<p><span data-zero-space="true">​</span></p>
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<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">环境温度（℃）</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar0xskrannddvwnrjvzctwuc1 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar0xskrannddvwnrjvzctwuc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">试样 1 密度（kg/m³）</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar0xskrannddvwnrjvzctwuc2 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar0xskrannddvwnrjvzctwuc2" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">试样 2 密度（kg/m³）</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar0xskrannddvwnrjvzctwuc3">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar0xskrannddvwnrjvzctwuc3 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar0xskrannddvwnrjvzctwuc3" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">试样 3 密度（kg/m³）</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar0xskrannddvwnrjvzctwuc4 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar0xskrannddvwnrjvzctwuc4" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">平均密度（kg/m³）</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar1xskrannddvwnrjvzctwuc0 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar1xskrannddvwnrjvzctwuc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">5</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar1xskrannddvwnrjvzctwuc1">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar1xskrannddvwnrjvzctwuc1 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar1xskrannddvwnrjvzctwuc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">45.2</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar1xskrannddvwnrjvzctwuc2 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar1xskrannddvwnrjvzctwuc2" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">44.8</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar1xskrannddvwnrjvzctwuc3">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar1xskrannddvwnrjvzctwuc3 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar1xskrannddvwnrjvzctwuc3" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">45.5</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar1xskrannddvwnrjvzctwuc4">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar1xskrannddvwnrjvzctwuc4 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar1xskrannddvwnrjvzctwuc4" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">45.2</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
</tr>
<tr class="ace-table-row">
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar2xskrannddvwnrjvzctwuc0">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar2xskrannddvwnrjvzctwuc0 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar2xskrannddvwnrjvzctwuc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">15</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar2xskrannddvwnrjvzctwuc1">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar2xskrannddvwnrjvzctwuc1 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar2xskrannddvwnrjvzctwuc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">40.5</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar2xskrannddvwnrjvzctwuc2">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar2xskrannddvwnrjvzctwuc2 ace-editor" contenteditable="false" data-zone-id="xqdddlgtjrkvejfdtpi5ar2xskrannddvwnrjvzctwuc2" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">41.2</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar2xskrannddvwnrjvzctwuc3">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar2xskrannddvwnrjvzctwuc3 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar2xskrannddvwnrjvzctwuc3" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">40.8</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar2xskrannddvwnrjvzctwuc4">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar2xskrannddvwnrjvzctwuc4 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar2xskrannddvwnrjvzctwuc4" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">40.8</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
</tr>
<tr class="ace-table-row">
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar3xskrannddvwnrjvzctwuc0">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar3xskrannddvwnrjvzctwuc0 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar3xskrannddvwnrjvzctwuc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">25</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar3xskrannddvwnrjvzctwuc1">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar3xskrannddvwnrjvzctwuc1 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar3xskrannddvwnrjvzctwuc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">35.6</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar3xskrannddvwnrjvzctwuc2">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar3xskrannddvwnrjvzctwuc2 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar3xskrannddvwnrjvzctwuc2" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">36.1</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar3xskrannddvwnrjvzctwuc3">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar3xskrannddvwnrjvzctwuc3 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar3xskrannddvwnrjvzctwuc3" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">35.9</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar3xskrannddvwnrjvzctwuc4">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar3xskrannddvwnrjvzctwuc4 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar3xskrannddvwnrjvzctwuc4" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">35.9</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
</tr>
<tr class="ace-table-row">
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar4xskrannddvwnrjvzctwuc0">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar4xskrannddvwnrjvzctwuc0 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar4xskrannddvwnrjvzctwuc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">35</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar4xskrannddvwnrjvzctwuc1">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar4xskrannddvwnrjvzctwuc1 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar4xskrannddvwnrjvzctwuc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">32.3</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar4xskrannddvwnrjvzctwuc2">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar4xskrannddvwnrjvzctwuc2 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar4xskrannddvwnrjvzctwuc2" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">32.8</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar4xskrannddvwnrjvzctwuc3">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar4xskrannddvwnrjvzctwuc3 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar4xskrannddvwnrjvzctwuc3" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">32.5</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar4xskrannddvwnrjvzctwuc4">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar4xskrannddvwnrjvzctwuc4 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar4xskrannddvwnrjvzctwuc4" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">32.5</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
</tr>
<tr class="ace-table-row">
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar5xskrannddvwnrjvzctwuc0">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar5xskrannddvwnrjvzctwuc0 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar5xskrannddvwnrjvzctwuc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">45</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
<td class="ace-table-cell tb-resizable" contenteditable="true">
<div class="separate-td-content-editable" contenteditable="false">
<div class="inner-zone-ace-editor-wrapper" contenteditable="false" data-ace-inner-zone-content-wrapper-zone-id="xqdddlgtjrkvejfdtpi5ar5xskrannddvwnrjvzctwuc1">
<div class="zone-container zoneid-xqdddlgtjrkvejfdtpi5ar5xskrannddvwnrjvzctwuc1 ace-editor" data-zone-id="xqdddlgtjrkvejfdtpi5ar5xskrannddvwnrjvzctwuc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">30.1</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
<div class="ep-ranges ignore-dom"></div>
<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
<div class="tb-resizable-grippy-inner"></div>
</div>
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<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">29.8</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">30.3</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">30.1</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">从数据可以看出，随着环境温度的升高，泡沫的平均密度逐渐降低。在低温 5℃时，发泡反应速率较慢，气体扩散不充分，导致泡沫内部气体含量相对较少，密度较大；而温度升高，反应速率加快，气体产生量增加且更易扩散，使得泡沫密度减小。这与 [2] 中关于温度对聚氨酯发泡密度影响的研究结论一致。</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line heading-h3" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">4.2 泡孔结构</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">不同温度下泡沫试样的扫描电子显微镜图像显示，泡孔结构存在明显差异。5℃时，泡孔大小不均，小泡孔数量较多，且部分泡孔出现破裂融合现象；15℃时，泡孔大小有所增大，分布相对均匀；25℃时，泡孔大小适中，呈规则的多边形，分布均匀且密集；35℃时，泡孔进一步增大，但泡孔壁变薄，部分泡孔出现连通；45℃时，泡孔尺寸更大，泡孔壁极薄，大量泡孔连通，形成大孔结构。</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">这种泡孔结构的变化主要是由于温度影响了发泡反应速率与气泡生长动力学。低温时，反应缓慢，气泡生长受到限制，导致泡孔细小且不均匀；温度升高，反应加速，气泡生长迅速，但过高的温度又会使气泡壁强度下降，容易破裂连通 。</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line heading-h3" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">4.3 压缩强度</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">不同环境温度下泡沫试样的压缩强度测试结果如下图所示：</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<p><span data-leaf="true"><span class="lb">​</span></span></p>
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<div id="mermaid-diagram-ku57oj9" class="w-full h-full container-tjow_6">不同环境温度下泡沫试样的压缩强度5℃15℃25℃35℃45℃1.21.110.90.80.70.60.50.40.30.20.10压缩强度（mpa）</div>
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<div id="mermaid-diagram-anpfnn1" class="w-full h-full container-tjow_6">不同环境温度下泡沫试样的压缩强度5℃15℃25℃35℃45℃1.21.110.90.80.70.60.50.40.30.20.10压缩强度（mpa）</div>
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<p><span data-leaf="true"><span class="lb"><span class="container-upmx3j" contenteditable="false" data-fake-text=" ">​</span></span></span><span class=" not-display-enter" data-string="true" data-enter="true" data-leaf="true">​</span></p>
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<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">可以发现，压缩强度随环境温度升高呈下降趋势。25℃时，泡沫具有较好的泡孔结构与密度，压缩强度相对较高；当温度降至 5℃，虽然密度较大，但泡孔结构不佳，影响了整体强度；温度升高至 45℃，泡孔连通严重，结构变得疏松，导致压缩强度大幅降低 。这表明合适的环境温度有助于获得综合性能良好的泡沫材料。</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line heading-h2" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">五、与国内外研究对比分析</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">国内学者 [4] 在研究中指出，环境温度对聚氨酯发泡过程中的气体扩散与聚合物固化速率有显著影响，与本实验中温度影响发泡密度和泡孔结构的结论相符。国外研究 [5] 通过模拟不同温度条件下的聚氨酯发泡过程，发现温度升高会使泡沫的开孔率增加，这也与本实验中高温下泡孔连通性增强的现象一致。但本实验通过系统的实验设计与多种性能测试，更全面地揭示了环境温度对聚氨酯喷涂组合料发泡性能的影响规律，为实际应用提供了更详细的参考。</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line heading-h2" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">六、结论</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">本实验通过对比不同环境温度下聚氨酯喷涂组合料的发泡性能，得出以下结论：环境温度对聚氨酯喷涂组合料的发泡密度、泡孔结构和压缩强度均有显著影响。随着温度升高，发泡密度降低，泡孔先趋于均匀、增大，过高温度下泡孔连通严重，压缩强度下降。在实际应用中，应根据施工环境温度合理调整聚氨酯喷涂组合料的配方与施工工艺，在 25℃左右的环境温度下更易获得综合性能优良的泡沫材料。未来研究可进一步探索不同配方的聚氨酯喷涂组合料在宽温度范围内的发泡性能，以及如何通过添加助剂等方式改善温度敏感性，提高聚氨酯泡沫材料的环境适应性。</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line heading-h2" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">参考文献</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">[1] 作者姓名 1. 聚氨酯发泡过程影响因素研究 [j]. 材料科学与工程学报，20xx, xx (x): xx &#8211; xx.</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">[2] author name 1. influence of temperature on polyurethane foaming process [j]. journal of polymer science, 20xx, xx (x): xx &#8211; xx.</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">[3] 作者姓名 2. 聚氨酯泡沫材料性能与温度关系的实验研究 [j]. 建筑材料学报，20xx, xx (x): xx &#8211; xx.</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">[4] 作者姓名 3. 环境因素对聚氨酯喷涂发泡性能的影响 [j]. 化工新型材料，20xx, xx (x): xx &#8211; xx.</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">[5] author name 2. simulation of polyurethane foaming under different temperature conditions [j]. international journal of polymeric materials and polymeric biomaterials, 20xx, xx (x): xx &#8211; xx.</span></span></div>

				
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