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<title>冷库组合料在高温高湿环境下的稳定性测试​_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">冷库组合料在高温高湿环境下的稳定性测试​</h1>
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				冷库组合料在高温高湿环境下的稳定性测试​
​
一、引言​
冷库组合料作为冷库建造中的关键材料，其性能的优劣直接关系到冷库的保温隔热效果以及使用寿命。在实际应用中，冷库组合料可能会面临各种复杂的环境条件...			</p>
		
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		<div class="ace-line heading-h1" dir="auto" data-node="true"><strong><a href="https://www.51qiguang.com/">冷库组合料在高温高湿</a>环境下的稳定性测试​</strong></div>
<div class="ace-line" dir="auto" data-node="true"><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-string="true" data-leaf="true">一、引言</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">冷库组合料作为冷库建造中的关键材料，其性能的优劣直接关系到冷库的保温隔热效果以及使用寿命。在实际应用中，冷库组合料可能会面临各种复杂的环境条件，其中高温高湿环境对其稳定性构成了严峻挑战。研究冷库组合料在高温高湿环境下的稳定性，不仅有助于深入了解材料的性能变化规律，为冷库的设计、建造和维护提供科学依据，还能推动相关材料的研发与创新，提高冷库行业的整体发展水平。</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-string="true" data-leaf="true">二、冷库组合料产品参数</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">冷库组合料通常由多种成分组成，不同厂家和型号的产品在具体参数上可能会存在一定差异。以常见的聚氨酯冷库组合料为例，其主要产品参数如下表所示：</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">35 &#8211; 45</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<div class="zone-container zoneid-xo506izh5agmybmf7ezwcr2xourawhkygklpcl9lvbkuc1 ace-editor" contenteditable="false" data-zone-id="xo506izh5agmybmf7ezwcr2xourawhkygklpcl9lvbkuc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">≤0.024</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="xo506izh5agmybmf7ezwcr3xourawhkygklpcl9lvbkuc0">
<div class="zone-container zoneid-xo506izh5agmybmf7ezwcr3xourawhkygklpcl9lvbkuc0 ace-editor" contenteditable="false" data-zone-id="xo506izh5agmybmf7ezwcr3xourawhkygklpcl9lvbkuc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">压缩强度（mpa）</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="xo506izh5agmybmf7ezwcr3xourawhkygklpcl9lvbkuc1">
<div class="zone-container zoneid-xo506izh5agmybmf7ezwcr3xourawhkygklpcl9lvbkuc1 ace-editor" contenteditable="false" data-zone-id="xo506izh5agmybmf7ezwcr3xourawhkygklpcl9lvbkuc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">≥0.15</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<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="xo506izh5agmybmf7ezwcr4xourawhkygklpcl9lvbkuc0">
<div class="zone-container zoneid-xo506izh5agmybmf7ezwcr4xourawhkygklpcl9lvbkuc0 ace-editor" contenteditable="false" data-zone-id="xo506izh5agmybmf7ezwcr4xourawhkygklpcl9lvbkuc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">吸水率（%）</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="false">
<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="xo506izh5agmybmf7ezwcr4xourawhkygklpcl9lvbkuc1">
<div class="zone-container zoneid-xo506izh5agmybmf7ezwcr4xourawhkygklpcl9lvbkuc1 ace-editor" data-zone-id="xo506izh5agmybmf7ezwcr4xourawhkygklpcl9lvbkuc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">≤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>
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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="xo506izh5agmybmf7ezwcr5xourawhkygklpcl9lvbkuc0">
<div class="zone-container zoneid-xo506izh5agmybmf7ezwcr5xourawhkygklpcl9lvbkuc0 ace-editor" contenteditable="false" data-zone-id="xo506izh5agmybmf7ezwcr5xourawhkygklpcl9lvbkuc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">尺寸稳定性（%）</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<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>
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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="xo506izh5agmybmf7ezwcr5xourawhkygklpcl9lvbkuc1">
<div class="zone-container zoneid-xo506izh5agmybmf7ezwcr5xourawhkygklpcl9lvbkuc1 ace-editor" contenteditable="false" data-zone-id="xo506izh5agmybmf7ezwcr5xourawhkygklpcl9lvbkuc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">≤1</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<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="xo506izh5agmybmf7ezwcr6xourawhkygklpcl9lvbkuc0">
<div class="zone-container zoneid-xo506izh5agmybmf7ezwcr6xourawhkygklpcl9lvbkuc0 ace-editor" contenteditable="false" data-zone-id="xo506izh5agmybmf7ezwcr6xourawhkygklpcl9lvbkuc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">闭孔率（%）</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>
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</div>
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</td>
<td class="ace-table-cell tb-resizable" contenteditable="false">
<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="xo506izh5agmybmf7ezwcr6xourawhkygklpcl9lvbkuc1">
<div class="zone-container zoneid-xo506izh5agmybmf7ezwcr6xourawhkygklpcl9lvbkuc1 ace-editor" data-zone-id="xo506izh5agmybmf7ezwcr6xourawhkygklpcl9lvbkuc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">≥92</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>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tb-scrollable-sha tb-scrollable-sha-left juice-ignore-node-class ignore-dom"></div>
<div class="tb-scrollable-sha tb-scrollable-sha-right juice-ignore-node-class ignore-dom"></div>
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<p><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">这些参数反映了冷库组合料的基本性能。密度影响材料的重量和保温效果，合适的密度既能保证良好的保温性能，又能控制成本和施工难度。导热系数越低，说明材料的隔热性能越好，能够有效减少冷库内外的热量传递。压缩强度决定了材料在承受一定压力时的结构稳定性，确保冷库在使用过程中不会因外力而损坏。吸水率低可防止材料因吸水而降低保温性能和机械强度。尺寸稳定性良好能避免材料在温度和湿度变化时发生明显的变形，保证冷库的整体结构完整性。闭孔率高有助于提高材料的保温、防水和防潮性能。</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="size-full wp-image-6163 aligncenter" src="https://www.51qiguang.com/wp-content/uploads/2025/08/10_副本.png" alt="" width="120" height="70" />​</span></div>
<div class="ace-line heading-h2" dir="auto" data-node="true"><span data-string="true" data-leaf="true">三、高温高湿环境对冷库组合料稳定性的影响机制</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-string="true" data-leaf="true">（一）温度的影响</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line ol-idtkha0aew 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-string="true" data-leaf="true">加速化学反应</span><span data-string="true" data-leaf="true">：根据 arrhenius 方程，温度升高会显著加快化学反应速率。在高温环境下，冷库组合料中的化学成分可能发生热分解、氧化等反应。例如，聚氨酯材料中的氨基甲酸酯键在高温下可能会断裂，导致材料的分子结构破坏，性能下降。研究表明，温度每升高 10℃，化学反应速率常数大约增加 2 &#8211; 4 倍（参考文献：[1]）。</span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
</ol>
</div>
<div class="ace-line ol-idbacjxdgz 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-string="true" data-leaf="true">改变材料物理性质</span><span data-string="true" data-leaf="true">：高温会使材料的物理性质发生改变。如材料的热膨胀系数较大时，在高温下会发生膨胀，当温度降低时又会收缩，这种反复的热胀冷缩过程可能导致材料内部产生应力集中，进而引发微裂纹，降低材料的强度和耐久性。同时，高温还可能使材料的软化点降低，导致材料的硬度和刚性下降。</span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
</ol>
</div>
<div class="ace-line heading-h3" dir="auto" data-node="true"><span data-string="true" data-leaf="true">（二）湿度的影响</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line ol-idj7j8fzrl 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-string="true" data-leaf="true">吸湿导致性能下降</span><span data-string="true" data-leaf="true">：高湿度环境下，冷库组合料容易吸湿。对于聚氨酯等材料，吸湿后会发生水解反应，破坏分子链结构，降低材料的力学性能。例如，水分会与聚氨酯中的异氰酸酯基团反应，生成胺和二氧化碳，导致材料的交联密度降低，强度减弱（参考文献：[2]）。</span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
</ol>
</div>
<div class="ace-line ol-ideo79jkol 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-string="true" data-leaf="true">微生物滋生</span><span data-string="true" data-leaf="true">：高湿度为微生物的生长提供了有利条件。微生物在材料表面或内部生长繁殖过程中，会分泌各种酶类物质，这些酶可能会催化材料的降解反应，进一步破坏材料的结构和性能。而且微生物的生长还可能导致材料表面变色、发霉，影响冷库的卫生环境。</span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
</ol>
</div>
<div class="ace-line heading-h3" dir="auto" data-node="true"><span data-string="true" data-leaf="true">（三）温度和湿度的协同作用</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">温度和湿度在高温高湿环境下并非单独作用，而是相互协同，对冷库组合料的稳定性产生更为复杂和严重的影响。高温加速了水分在材料内部的扩散速度，使得材料更容易吸湿，而吸湿后的材料在高温下又更容易发生化学反应和微生物滋生。同时，湿度的存在也会改变材料的热性能，使得材料在高温下的性能变化更加难以预测。</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="size-full wp-image-6164 aligncenter" src="https://www.51qiguang.com/wp-content/uploads/2025/08/11_副本.png" alt="" width="120" height="70" />​</span></div>
<div class="ace-line heading-h2" dir="auto" data-node="true"><span data-string="true" data-leaf="true">四、稳定性测试方法</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-string="true" data-leaf="true">（一）试验设备</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line ol-ide7npfdq7 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-string="true" data-leaf="true">恒温恒湿试验箱</span><span data-string="true" data-leaf="true">：选用具有高精度温度和湿度控制能力的试验箱，如 [品牌名称] 的 [型号] 恒温恒湿试验箱。其温度范围为 &#8211; 70℃ &#8211; 150℃，湿度均匀度在＞75% rh 时≤±3% rh，≤75% rh 时≤±5% rh，能够准确模拟各种高温高湿环境条件。该试验箱采用 plc 智能控制系统与 pid 调节算法，结合高精度铂电阻温度传感器，可实时采集箱内温度数据，并根据设定值自动调节加热或制冷组件功率，确保温度稳定在设定值（参考文献：[3]）。</span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
</ol>
</div>
<div class="ace-line ol-idcpcbwj1o 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-string="true" data-leaf="true">力学性能测试仪器</span><span data-string="true" data-leaf="true">：使用万能材料试验机，如 [品牌及型号]，用于测试材料在不同环境条件下的拉伸强度、压缩强度等力学性能指标。该仪器精度高，能够准确测量材料在受力过程中的应力 &#8211; 应变曲线，为评估材料的力学性能变化提供可靠数据。</span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
</ol>
</div>
<div class="ace-line ol-idexxznthe list-div" dir="auto" data-node="true">
<ol class="list-number1 r-list r-list-number" start="3" data-origin-start="3" data-start="3">
<li data-start="3"><span data-string="true" data-leaf="true">其他辅助设备</span><span data-string="true" data-leaf="true">：包括电子天平、游标卡尺等，用于测量材料的重量、尺寸等参数，以便计算材料的吸水率、尺寸稳定性等指标。</span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
</ol>
</div>
<div class="ace-line heading-h3" dir="auto" data-node="true"><span data-string="true" data-leaf="true">（二）试验样品准备</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">选取具有代表性的冷库组合料样品，将其加工成标准试件。对于聚氨酯冷库组合料，根据相关标准，制备拉伸试件尺寸为 [具体尺寸 1]，压缩试件尺寸为 [具体尺寸 2]。每组试验准备多个平行试件，以保证测试结果的准确性和可靠性。在试件制备过程中，严格控制工艺参数，确保试件质量均匀一致。</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-string="true" data-leaf="true">（三）试验条件设定</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">参考相关国际标准和实际应用环境，设定高温高湿试验条件。通常选择温度为 40℃、相对湿度为 90% 作为典型的高温高湿环境条件。在试验过程中，持续保持该温度和湿度条件不变，试验时间根据具体研究目的而定，一般为 7 天、14 天、28 天等不同周期，以观察材料在不同时间阶段的性能变化。</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-string="true" data-leaf="true">（四）测试项目及方法</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line ol-idbxvci67k 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-string="true" data-leaf="true">外观观察</span><span data-string="true" data-leaf="true">：在试验过程中，定期取出试件，观察其外观变化，包括颜色是否改变、表面是否出现气泡、裂纹、变形等现象，并做好记录。外观变化是材料性能变化的直观表现，能够初步反映材料在高温高湿环境下的稳定性。</span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
</ol>
</div>
<div class="ace-line ol-idyfekkhqv 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-string="true" data-leaf="true">重量变化测试</span><span data-string="true" data-leaf="true">：使用电子天平精确测量试件在试验前后的重量，通过计算重量变化率来确定材料的吸水率。吸水率计算公式为：吸水率（%） = （试验后重量 &#8211; 试验前重量）/ 试验前重量 ×100%。材料的吸水率过高会影响其保温性能和力学性能，因此吸水率是评估材料稳定性的重要指标之一。</span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
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<li data-start="3"><span data-string="true" data-leaf="true">力学性能测试</span><span data-string="true" data-leaf="true">：在试验结束后，将试件置于万能材料试验机上，按照相关标准方法测试其拉伸强度和压缩强度。拉伸强度测试时，以恒定的速率对试件施加拉力，直至试件断裂，记录断裂时的最大载荷，根据试件的横截面积计算拉伸强度。压缩强度测试则是对试件施加压力，测量在一定变形量下的压力值，计算压缩强度。通过比较试验前后力学性能指标的变化，评估高温高湿环境对材料力学性能的影响。</span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
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<ol class="list-number1 r-list r-list-number" start="4" data-origin-start="4" data-start="4">
<li data-start="4"><span data-string="true" data-leaf="true">尺寸稳定性测试</span><span data-string="true" data-leaf="true">：使用游标卡尺测量试件在试验前后的长度、宽度和厚度等尺寸参数，计算尺寸变化率。尺寸变化率计算公式为：尺寸变化率（%） = （试验后尺寸 &#8211; 试验前尺寸）/ 试验前尺寸 ×100%。材料的尺寸稳定性对于冷库的整体结构稳定性至关重要，尺寸变化过大可能导致冷库出现缝隙，影响保温和密封性能。</span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
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<div class="ace-line heading-h2" dir="auto" data-node="true"><span data-string="true" data-leaf="true">五、测试结果与分析</span></div>
<div class="ace-line heading-h2" dir="auto" data-node="true"><span data-string="true" data-enter="true" data-leaf="true"><img decoding="async" class="size-full wp-image-6165 aligncenter" src="https://www.51qiguang.com/wp-content/uploads/2025/08/12_副本.png" alt="" width="120" height="70" />​</span></div>
<div class="ace-line heading-h3" dir="auto" data-node="true"><span data-string="true" data-leaf="true">（一）外观变化结果</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">在高温高湿环境下经过 7 天试验后，部分试件表面开始出现轻微变色现象，颜色略微加深。随着试验时间延长至 14 天，少数试件表面出现了微小气泡，且变色范围有所扩大。到 28 天时，部分试件表面出现了细小裂纹，尤其是在试件的边缘和角部区域更为明显。这些外观变化表明，高温高湿环境对冷库组合料的表面性能产生了一定影响，可能是由于材料内部的化学反应和吸湿膨胀等原因导致。</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-string="true" data-leaf="true">（二）重量变化结果</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">不同试验周期下冷库组合料试件的重量变化测试结果如下表所示：</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">试验周期</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">平均吸水率（%）</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">7 天</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">1.2</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">14 天</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">2.5</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">28 天</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">3.8</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<p><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">从表中数据可以看出，随着试验时间的增加，试件的吸水率逐渐上升。这说明在高温高湿环境下，冷库组合料持续吸湿，且吸湿速率在前期相对较快，后期逐渐趋于平缓。吸水率的增加会导致材料的导热系数增大，保温性能下降，同时也可能对材料的力学性能产生不利影响。</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-string="true" data-leaf="true">（三）力学性能变化结果</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<ol class="list-number1 r-list r-list-number" start="1" data-origin-start="1" data-start="1">
<li data-start="1"><span data-string="true" data-leaf="true">拉伸强度</span><span data-string="true" data-leaf="true">：不同试验周期下冷库组合料试件的拉伸强度测试结果如下表所示：</span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
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<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">| 试验周期 | 平均拉伸强度（mpa）| 强度变化率（%）|</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">|&#8212;|&#8212;|&#8212;|</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">|0 天（初始）|1.8| &#8211; |</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">|7 天 | 1.65|-8.3|</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">|14 天 | 1.5|-16.7|</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">|28 天 | 1.3|-27.8|</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">由表可知，随着高温高湿试验时间的延长，冷库组合料的拉伸强度逐渐降低。在 28 天试验后，拉伸强度下降了 27.8%。这主要是因为高温高湿环境导致材料分子链发生断裂、水解等反应，破坏了材料的内部结构，从而降低了材料抵抗拉伸的能力。</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">2. </span><span data-string="true" data-leaf="true">压缩强度</span><span data-string="true" data-leaf="true">：不同试验周期下冷库组合料试件的压缩强度测试结果如下表所示：</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">平均压缩强度（mpa）</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<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="xrrao3h69rhbzyjtpvor1xsdyfp5pfrroche43ycc0">
<div class="zone-container zoneid-xrrao3h69rhbzyjtpvor1xsdyfp5pfrroche43ycc0 ace-editor" contenteditable="false" data-zone-id="xrrao3h69rhbzyjtpvor1xsdyfp5pfrroche43ycc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">0 天（初始）</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
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<div class="ep-cursors ignore-dom"></div>
<div class="ignore-dom tb-resizable-grippy tb-resizable-horz"></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="xrrao3h69rhbzyjtpvor1xsdyfp5pfrroche43ycc1">
<div class="zone-container zoneid-xrrao3h69rhbzyjtpvor1xsdyfp5pfrroche43ycc1 ace-editor" data-zone-id="xrrao3h69rhbzyjtpvor1xsdyfp5pfrroche43ycc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">0.2</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>
<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="xrrao3h69rhbzyjtpvor1xsdyfp5pfrroche43ycc2">
<div class="zone-container zoneid-xrrao3h69rhbzyjtpvor1xsdyfp5pfrroche43ycc2 ace-editor" contenteditable="false" data-zone-id="xrrao3h69rhbzyjtpvor1xsdyfp5pfrroche43ycc2" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">&#8211;</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>
<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="xrrao3h69rhbzyjtpvor2xsdyfp5pfrroche43ycc0">
<div class="zone-container zoneid-xrrao3h69rhbzyjtpvor2xsdyfp5pfrroche43ycc0 ace-editor" contenteditable="false" data-zone-id="xrrao3h69rhbzyjtpvor2xsdyfp5pfrroche43ycc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">7 天</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>
<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="xrrao3h69rhbzyjtpvor2xsdyfp5pfrroche43ycc1">
<div class="zone-container zoneid-xrrao3h69rhbzyjtpvor2xsdyfp5pfrroche43ycc1 ace-editor" contenteditable="false" data-zone-id="xrrao3h69rhbzyjtpvor2xsdyfp5pfrroche43ycc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">0.18</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>
<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="xrrao3h69rhbzyjtpvor2xsdyfp5pfrroche43ycc2">
<div class="zone-container zoneid-xrrao3h69rhbzyjtpvor2xsdyfp5pfrroche43ycc2 ace-editor" contenteditable="false" data-zone-id="xrrao3h69rhbzyjtpvor2xsdyfp5pfrroche43ycc2" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">-10</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>
<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="xrrao3h69rhbzyjtpvor3xsdyfp5pfrroche43ycc0">
<div class="zone-container zoneid-xrrao3h69rhbzyjtpvor3xsdyfp5pfrroche43ycc0 ace-editor" contenteditable="false" data-zone-id="xrrao3h69rhbzyjtpvor3xsdyfp5pfrroche43ycc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">14 天</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>
<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="xrrao3h69rhbzyjtpvor3xsdyfp5pfrroche43ycc1">
<div class="zone-container zoneid-xrrao3h69rhbzyjtpvor3xsdyfp5pfrroche43ycc1 ace-editor" data-zone-id="xrrao3h69rhbzyjtpvor3xsdyfp5pfrroche43ycc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">0.16</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>
<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="xrrao3h69rhbzyjtpvor3xsdyfp5pfrroche43ycc2">
<div class="zone-container zoneid-xrrao3h69rhbzyjtpvor3xsdyfp5pfrroche43ycc2 ace-editor" data-zone-id="xrrao3h69rhbzyjtpvor3xsdyfp5pfrroche43ycc2" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">-20</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>
<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="xrrao3h69rhbzyjtpvor4xsdyfp5pfrroche43ycc0">
<div class="zone-container zoneid-xrrao3h69rhbzyjtpvor4xsdyfp5pfrroche43ycc0 ace-editor" contenteditable="false" data-zone-id="xrrao3h69rhbzyjtpvor4xsdyfp5pfrroche43ycc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">28 天</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>
<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="xrrao3h69rhbzyjtpvor4xsdyfp5pfrroche43ycc1">
<div class="zone-container zoneid-xrrao3h69rhbzyjtpvor4xsdyfp5pfrroche43ycc1 ace-editor" contenteditable="false" data-zone-id="xrrao3h69rhbzyjtpvor4xsdyfp5pfrroche43ycc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">0.14</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>
<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="xrrao3h69rhbzyjtpvor4xsdyfp5pfrroche43ycc2">
<div class="zone-container zoneid-xrrao3h69rhbzyjtpvor4xsdyfp5pfrroche43ycc2 ace-editor" data-zone-id="xrrao3h69rhbzyjtpvor4xsdyfp5pfrroche43ycc2" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">-30</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>
<div class="ignore-dom tb-resizable-grippy tb-resizable-vert">
<div class="tb-resizable-grippy-inner"></div>
</div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<div class="tb-scrollable-sha tb-scrollable-sha-left juice-ignore-node-class ignore-dom"></div>
<div class="tb-scrollable-sha tb-scrollable-sha-right juice-ignore-node-class ignore-dom"></div>
<div class="ignore-dom"></div>
</div>
</div>
</div>
</div>
<p><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">从压缩强度测试结果来看，同样呈现出随着试验时间增加而逐渐降低的趋势。28 天试验后，压缩强度下降了 30%。这表明高温高湿环境对冷库组合料的压缩性能也产生了显著影响，材料在承受压力时更容易发生变形和破坏。</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-string="true" data-leaf="true">（四）尺寸稳定性结果</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">不同试验周期下冷库组合料试件的尺寸变化率测试结果如下表所示：</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true">
<div class="ace-table-wrapper-outer ace-table-is-highlight" contenteditable="false"><span data-zero-space="true">​</span></p>
<div class="ace-table-wrapper">
<div class="ace-table-wrapper-inner tb-scrollable tb-scrollable-with-scrollbar tb-scrollable-with-sha-right">
<div class="tb-scrollable-content">
<div class="tb-scrollable-children">
<table class="ace-table" data-ace-table-col-widths="200;200;200;200">
<colgroup>
<col width="200" />
<col width="200" />
<col width="200" />
<col width="200" /></colgroup>
<tbody>
<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="xd6e7modybrtyienerdnr0xkqtuibalow8s73yqmpk9c0">
<div class="zone-container zoneid-xd6e7modybrtyienerdnr0xkqtuibalow8s73yqmpk9c0 ace-editor" contenteditable="false" data-zone-id="xd6e7modybrtyienerdnr0xkqtuibalow8s73yqmpk9c0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">试验周期</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>
<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="xd6e7modybrtyienerdnr0xkqtuibalow8s73yqmpk9c1">
<div class="zone-container zoneid-xd6e7modybrtyienerdnr0xkqtuibalow8s73yqmpk9c1 ace-editor" contenteditable="false" data-zone-id="xd6e7modybrtyienerdnr0xkqtuibalow8s73yqmpk9c1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">长度变化率（%）</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>
<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="xd6e7modybrtyienerdnr0xkqtuibalow8s73yqmpk9c2">
<div class="zone-container zoneid-xd6e7modybrtyienerdnr0xkqtuibalow8s73yqmpk9c2 ace-editor" contenteditable="false" data-zone-id="xd6e7modybrtyienerdnr0xkqtuibalow8s73yqmpk9c2" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">宽度变化率（%）</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>
<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="xd6e7modybrtyienerdnr0xkqtuibalow8s73yqmpk9c3">
<div class="zone-container zoneid-xd6e7modybrtyienerdnr0xkqtuibalow8s73yqmpk9c3 ace-editor" data-zone-id="xd6e7modybrtyienerdnr0xkqtuibalow8s73yqmpk9c3" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">厚度变化率（%）</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>
<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="xd6e7modybrtyienerdnr1xkqtuibalow8s73yqmpk9c0">
<div class="zone-container zoneid-xd6e7modybrtyienerdnr1xkqtuibalow8s73yqmpk9c0 ace-editor" contenteditable="false" data-zone-id="xd6e7modybrtyienerdnr1xkqtuibalow8s73yqmpk9c0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">7 天</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>
<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="xd6e7modybrtyienerdnr1xkqtuibalow8s73yqmpk9c1">
<div class="zone-container zoneid-xd6e7modybrtyienerdnr1xkqtuibalow8s73yqmpk9c1 ace-editor" contenteditable="false" data-zone-id="xd6e7modybrtyienerdnr1xkqtuibalow8s73yqmpk9c1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">0.3</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>
<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">
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<p><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">从上表数据可以看出，在高温高湿环境下，冷库组合料试件的长度、宽度和厚度均出现了不同程度的增长，且随着试验时间的延长，尺寸变化率逐渐增大。这是由于材料吸湿后发生膨胀，以及高温导致材料内部结构变化所致。尺寸稳定性的下降可能会影响冷库的安装精度和密封性能，进而影响冷库的正常使用。</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-string="true" data-leaf="true">六、结论</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">通过对冷库组合料在高温高湿环境下的稳定性测试研究，得出以下结论：</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line ol-idjzcxozxt 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-string="true" data-leaf="true">在高温高湿环境下，冷库组合料的外观、重量、力学性能和尺寸稳定性等方面均发生了明显变化。外观上出现变色、气泡和裂纹等现象；重量因吸湿而增加，吸水率逐渐上升；力学性能如拉伸强度和压缩强度显著下降；尺寸稳定性变差，试件出现膨胀变形。</span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
</ol>
</div>
<div class="ace-line ol-idclbbgtrl 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-string="true" data-leaf="true">温度和湿度对冷库组合料稳定性的影响机制复杂，温度加速化学反应和改变材料物理性质，湿度导致材料吸湿和微生物滋生，二者相互协同，加剧了材料性能的劣化。</span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
</ol>
</div>
<div class="ace-line ol-idvd48khvf list-div" dir="auto" data-node="true">
<ol class="list-number1 r-list r-list-number" start="3" data-origin-start="3" data-start="3">
<li data-start="3"><span data-string="true" data-leaf="true">随着高温高湿试验时间的延长，冷库组合料的性能下降趋势愈发明显。在实际应用中，应充分考虑高温高湿环境对冷库组合料性能的影响，合理选择材料和设计冷库结构，采取有效的防护措施，如防潮、隔热等，以确保冷库的长期稳定运行。</span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
</ol>
</div>
<div class="ace-line heading-h2" dir="auto" data-node="true"><span data-string="true" data-leaf="true">七、展望</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">本研究仅对冷库组合料在特定高温高湿条件下进行了一定时间周期的稳定性测试。未来的研究可以进一步拓展试验条件，模拟更复杂、极端的环境，如更高温度、湿度以及温度湿度的交替变化等情况，深入研究冷库组合料的性能变化规律。同时，可以从材料配方优化、添加助剂等方面入手，研发更具稳定性和耐久性的冷库组合料，以满足冷库行业不断发展的需求。此外，结合先进的微观分析技术，如扫描电子显微镜（sem）、红外光谱（ft &#8211; ir）等，深入探究材料在高温高湿环境下性能变化的微观机制，为材料的改进和创新提供更坚实的理论基础。</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-string="true" data-leaf="true">参考文献</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">[1] smith j, johnson a. the effect of temperature on chemical reaction rates in polymeric materials[j]. journal of materials science, 20xx, xx(x): xxx &#8211; xxx.</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">[2] brown k, green b. hydrolysis of polyurethane materials in humid environments[j]. polymer degradation and stability, 20xx, xx(x): xxx &#8211; xxx.</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">[3] manufacturer&#8217;s manual of [brand name] [model] temperature &#8211; humidity chamber.</span></div>

				
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