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<title>如何选择合适的抗氧剂以延长聚氨酯泡沫的使用寿命_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">如何选择合适的抗氧剂以延长聚氨酯泡沫的使用寿命</h1>
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				如何选择合适的抗氧剂以延长聚氨酯泡沫的使用寿命​
​
一、引言​
聚氨酯泡沫材料因其独特的性能，如优异的隔热、隔音性能，良好的柔韧性和缓冲性能等，在建筑、家具、汽车等众多领域得到广泛应用。然而，聚氨酯...			</p>
		
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		<div class="ace-line heading-h1" dir="auto" data-node="true"><span class="lb"><strong>如何选择合适的抗氧剂以延长<a href="https://www.51qiguang.com/">聚氨酯泡沫</a>的使用寿命</strong><span data-string="true" data-enter="true" data-leaf="true">​</span></span></div>
<div class="ace-line" dir="auto" data-node="true"><span class="lb" data-string="true" data-enter="true" data-leaf="true"><span data-string="true" data-enter="true" data-leaf="true">​</span></span></div>
<div class="ace-line heading-h2" dir="auto" data-node="true"><span class="lb"><span data-leaf="true">一、引言</span><span data-string="true" data-enter="true" data-leaf="true">​</span></span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">聚氨酯泡沫材料因其独特的性能，如优异的隔热、隔音性能，良好的柔韧性和缓冲性能等，在建筑、家具、汽车等众多领域得到广泛应用。然而，聚氨酯泡沫在使用过程中容易受到氧化作用的影响，导致材料性能下降，如力学性能降低、颜色变黄、发泡结构损坏等，从而缩短其使用寿命。选择合适的抗氧剂成为解决这一问题的关键途径，对于保障聚氨酯泡沫在不同环境下的长期稳定使用具有重要意义。</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="size-full wp-image-5022 aligncenter" src="https://www.51qiguang.com/wp-content/uploads/2025/02/1736305878394-350x186-1.png" alt="" width="350" height="186" srcset="https://www.51qiguang.com/wp-content/uploads/2025/02/1736305878394-350x186-1.png 350w, https://www.51qiguang.com/wp-content/uploads/2025/02/1736305878394-350x186-1-300x159.png 300w" sizes="(max-width: 350px) 100vw, 350px" />​</span></div>
<div class="ace-line heading-h2" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">二、聚氨酯泡沫的氧化机理</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">聚氨酯泡沫的氧化主要是由热、光、氧气以及某些化学物质等因素引发的自由基链式反应。在热和光的作用下，聚氨酯分子链上的弱键（如氨基甲酸酯键、醚键等）会发生断裂，产生自由基。这些自由基与氧气迅速反应，形成过氧自由基，过氧自由基又会进一步夺取聚氨酯分子链上的氢原子，生成新的自由基和氢过氧化物。氢过氧化物不稳定，容易分解产生更多的自由基，从而引发连锁反应，加速聚氨酯泡沫的老化。根据国外学者 [1] 的研究，在高温环境下（如 70℃以上），聚氨酯泡沫的氧化速率明显加快，自由基生成量显著增加，这一过程可以通过电子自旋共振（esr）技术进行监测，如图 1 所示为不同温度下聚氨酯泡沫中自由基浓度随时间的变化曲线。</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="size-full wp-image-4911 aligncenter" src="https://www.51qiguang.com/wp-content/uploads/2025/01/s2-350x196-1.jpg" alt="n,n-二甲基苄胺用于聚氨酯行业聚氨酯硬泡的催化剂" width="350" height="196" srcset="https://www.51qiguang.com/wp-content/uploads/2025/01/s2-350x196-1.jpg 350w, https://www.51qiguang.com/wp-content/uploads/2025/01/s2-350x196-1-300x168.jpg 300w" sizes="(max-width: 350px) 100vw, 350px" />​</span></div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">（不同温度下聚氨酯泡沫中自由基浓度随时间变化曲线，横坐标为时间，纵坐标为自由基浓度，多条曲线代表不同温度条件，温度越高曲线上升越快）</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">三、抗氧剂的作用机理</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">抗氧剂的主要作用是通过捕获自由基、分解氢过氧化物或抑制自由基的产生等方式来中断氧化链式反应，从而延缓聚氨酯泡沫的氧化过程。常见的抗氧剂作用机理如下：</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">（一）自由基捕获剂</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">这类抗氧剂能够与自由基发生反应，将其转化为相对稳定的化合物，从而阻止自由基进一步引发氧化反应。例如，受阻酚类抗氧剂通过提供氢原子与自由基结合，自身形成相对稳定的酚氧自由基，由于空间位阻效应，酚氧自由基难以继续引发反应，从而中断氧化链式反应。</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">（二）氢过氧化物分解剂</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">某些抗氧剂（如亚磷酸酯类）可以将聚氨酯泡沫中生成的氢过氧化物分解为无害的醇和水，从而阻止氢过氧化物分解产生自由基，抑制氧化反应的进行。</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">（三）金属离子钝化剂</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">在聚氨酯泡沫生产和使用过程中，金属离子（如铁、铜等）可能会加速氧化反应。金属离子钝化剂能够与这些金属离子形成稳定的络合物，降低金属离子的催化活性，减少自由基的产生。</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">四、常见抗氧剂类型及产品参数</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">（一）受阻酚类抗氧剂</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">受阻酚类抗氧剂是聚氨酯泡沫中常用的一类抗氧剂，具有较好的抗氧化效果和相容性。以典型的受阻酚类抗氧剂 1010 为例，其产品参数如表 1 所示：</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<div class="zone-container zoneid-xdscpyyndcjwzk03wfydsr0xfcoha0cuyr3vgrbbvkkc0 ace-editor" data-zone-id="xdscpyyndcjwzk03wfydsr0xfcoha0cuyr3vgrbbvkkc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">参数</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<div class="tb-resizable-grippy-inner"></div>
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</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="xdscpyyndcjwzk03wfydsr0xfcoha0cuyr3vgrbbvkkc1">
<div class="zone-container zoneid-xdscpyyndcjwzk03wfydsr0xfcoha0cuyr3vgrbbvkkc1 ace-editor" data-zone-id="xdscpyyndcjwzk03wfydsr0xfcoha0cuyr3vgrbbvkkc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">详情</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="xdscpyyndcjwzk03wfydsr1xfcoha0cuyr3vgrbbvkkc0">
<div class="zone-container zoneid-xdscpyyndcjwzk03wfydsr1xfcoha0cuyr3vgrbbvkkc0 ace-editor" data-zone-id="xdscpyyndcjwzk03wfydsr1xfcoha0cuyr3vgrbbvkkc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">化学名称</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="xdscpyyndcjwzk03wfydsr1xfcoha0cuyr3vgrbbvkkc1">
<div class="zone-container zoneid-xdscpyyndcjwzk03wfydsr1xfcoha0cuyr3vgrbbvkkc1 ace-editor" data-zone-id="xdscpyyndcjwzk03wfydsr1xfcoha0cuyr3vgrbbvkkc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">四 [β-(3,5 &#8211; 二叔丁基 &#8211; 4 &#8211; 羟基苯基) 丙酸] 季戊四醇酯</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="xdscpyyndcjwzk03wfydsr2xfcoha0cuyr3vgrbbvkkc0">
<div class="zone-container zoneid-xdscpyyndcjwzk03wfydsr2xfcoha0cuyr3vgrbbvkkc0 ace-editor" data-zone-id="xdscpyyndcjwzk03wfydsr2xfcoha0cuyr3vgrbbvkkc0" 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>
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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="xdscpyyndcjwzk03wfydsr2xfcoha0cuyr3vgrbbvkkc1">
<div class="zone-container zoneid-xdscpyyndcjwzk03wfydsr2xfcoha0cuyr3vgrbbvkkc1 ace-editor" data-zone-id="xdscpyyndcjwzk03wfydsr2xfcoha0cuyr3vgrbbvkkc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">白色结晶粉末</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<div class="tb-resizable-grippy-inner"></div>
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</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="xdscpyyndcjwzk03wfydsr3xfcoha0cuyr3vgrbbvkkc0">
<div class="zone-container zoneid-xdscpyyndcjwzk03wfydsr3xfcoha0cuyr3vgrbbvkkc0 ace-editor" data-zone-id="xdscpyyndcjwzk03wfydsr3xfcoha0cuyr3vgrbbvkkc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">熔点（℃）</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<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="xdscpyyndcjwzk03wfydsr3xfcoha0cuyr3vgrbbvkkc1">
<div class="zone-container zoneid-xdscpyyndcjwzk03wfydsr3xfcoha0cuyr3vgrbbvkkc1 ace-editor" data-zone-id="xdscpyyndcjwzk03wfydsr3xfcoha0cuyr3vgrbbvkkc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">110 &#8211; 125</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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<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="xdscpyyndcjwzk03wfydsr4xfcoha0cuyr3vgrbbvkkc0">
<div class="zone-container zoneid-xdscpyyndcjwzk03wfydsr4xfcoha0cuyr3vgrbbvkkc0 ace-editor" data-zone-id="xdscpyyndcjwzk03wfydsr4xfcoha0cuyr3vgrbbvkkc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">纯度（%）</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">
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</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="xdscpyyndcjwzk03wfydsr4xfcoha0cuyr3vgrbbvkkc1">
<div class="zone-container zoneid-xdscpyyndcjwzk03wfydsr4xfcoha0cuyr3vgrbbvkkc1 ace-editor" data-zone-id="xdscpyyndcjwzk03wfydsr4xfcoha0cuyr3vgrbbvkkc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">≥98</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">
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</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="xdscpyyndcjwzk03wfydsr5xfcoha0cuyr3vgrbbvkkc0">
<div class="zone-container zoneid-xdscpyyndcjwzk03wfydsr5xfcoha0cuyr3vgrbbvkkc0 ace-editor" data-zone-id="xdscpyyndcjwzk03wfydsr5xfcoha0cuyr3vgrbbvkkc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">挥发分（%）</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">
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</div>
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<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="xdscpyyndcjwzk03wfydsr5xfcoha0cuyr3vgrbbvkkc1">
<div class="zone-container zoneid-xdscpyyndcjwzk03wfydsr5xfcoha0cuyr3vgrbbvkkc1 ace-editor" data-zone-id="xdscpyyndcjwzk03wfydsr5xfcoha0cuyr3vgrbbvkkc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">≤0.5</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
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</div>
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<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
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</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="xdscpyyndcjwzk03wfydsr6xfcoha0cuyr3vgrbbvkkc0">
<div class="zone-container zoneid-xdscpyyndcjwzk03wfydsr6xfcoha0cuyr3vgrbbvkkc0 ace-editor" data-zone-id="xdscpyyndcjwzk03wfydsr6xfcoha0cuyr3vgrbbvkkc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">溶解性</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>
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<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="xdscpyyndcjwzk03wfydsr6xfcoha0cuyr3vgrbbvkkc1">
<div class="zone-container zoneid-xdscpyyndcjwzk03wfydsr6xfcoha0cuyr3vgrbbvkkc1 ace-editor" data-zone-id="xdscpyyndcjwzk03wfydsr6xfcoha0cuyr3vgrbbvkkc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">可溶于苯、甲苯、氯仿等有机溶剂，不溶于水</span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
</div>
</div>
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<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 class=" not-display-enter" 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">受阻酚类抗氧剂的抗氧化活性较高，能够有效捕获自由基，但在高温和高湿度环境下，其抗氧化性能可能会有所下降。</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="size-full wp-image-4910 aligncenter" src="https://www.51qiguang.com/wp-content/uploads/2025/01/s1-350x196-1.jpg" alt="聚氨酯块状软泡" width="350" height="196" srcset="https://www.51qiguang.com/wp-content/uploads/2025/01/s1-350x196-1.jpg 350w, https://www.51qiguang.com/wp-content/uploads/2025/01/s1-350x196-1-300x168.jpg 300w" sizes="(max-width: 350px) 100vw, 350px" />​</span></div>
<div class="ace-line heading-h3" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">（二）亚磷酸酯类抗氧剂</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">亚磷酸酯类抗氧剂主要作为氢过氧化物分解剂使用，与受阻酚类抗氧剂具有协同作用。以亚磷酸三苯酯（tpp）为例，其产品参数如表 2 所示：</span></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">
<div class="tb-scrollable-content">
<div class="tb-scrollable-children">
<table class="ace-table" data-ace-table-col-widths="200;200">
<colgroup>
<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="xdvphuzoewvn1n486sdl9r0xoee2zey2snwryavrovwc0">
<div class="zone-container zoneid-xdvphuzoewvn1n486sdl9r0xoee2zey2snwryavrovwc0 ace-editor" data-zone-id="xdvphuzoewvn1n486sdl9r0xoee2zey2snwryavrovwc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">参数</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">
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</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="xdvphuzoewvn1n486sdl9r0xoee2zey2snwryavrovwc1">
<div class="zone-container zoneid-xdvphuzoewvn1n486sdl9r0xoee2zey2snwryavrovwc1 ace-editor" data-zone-id="xdvphuzoewvn1n486sdl9r0xoee2zey2snwryavrovwc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">详情</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="xdvphuzoewvn1n486sdl9r1xoee2zey2snwryavrovwc0">
<div class="zone-container zoneid-xdvphuzoewvn1n486sdl9r1xoee2zey2snwryavrovwc0 ace-editor" data-zone-id="xdvphuzoewvn1n486sdl9r1xoee2zey2snwryavrovwc0" 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>
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<div class="ignore-dom tb-resizable-grippy tb-resizable-horz">
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</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="xdvphuzoewvn1n486sdl9r1xoee2zey2snwryavrovwc1">
<div class="zone-container zoneid-xdvphuzoewvn1n486sdl9r1xoee2zey2snwryavrovwc1 ace-editor" data-zone-id="xdvphuzoewvn1n486sdl9r1xoee2zey2snwryavrovwc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">无色至淡黄色透明液体</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="xdvphuzoewvn1n486sdl9r2xoee2zey2snwryavrovwc0">
<div class="zone-container zoneid-xdvphuzoewvn1n486sdl9r2xoee2zey2snwryavrovwc0 ace-editor" data-zone-id="xdvphuzoewvn1n486sdl9r2xoee2zey2snwryavrovwc0" 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="xdvphuzoewvn1n486sdl9r2xoee2zey2snwryavrovwc1">
<div class="zone-container zoneid-xdvphuzoewvn1n486sdl9r2xoee2zey2snwryavrovwc1 ace-editor" data-zone-id="xdvphuzoewvn1n486sdl9r2xoee2zey2snwryavrovwc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">1.18 &#8211; 1.22</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="xdvphuzoewvn1n486sdl9r3xoee2zey2snwryavrovwc0">
<div class="zone-container zoneid-xdvphuzoewvn1n486sdl9r3xoee2zey2snwryavrovwc0 ace-editor" data-zone-id="xdvphuzoewvn1n486sdl9r3xoee2zey2snwryavrovwc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">折光率（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="xdvphuzoewvn1n486sdl9r3xoee2zey2snwryavrovwc1">
<div class="zone-container zoneid-xdvphuzoewvn1n486sdl9r3xoee2zey2snwryavrovwc1 ace-editor" data-zone-id="xdvphuzoewvn1n486sdl9r3xoee2zey2snwryavrovwc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">1.585 &#8211; 1.595</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="xdvphuzoewvn1n486sdl9r4xoee2zey2snwryavrovwc0">
<div class="zone-container zoneid-xdvphuzoewvn1n486sdl9r4xoee2zey2snwryavrovwc0 ace-editor" data-zone-id="xdvphuzoewvn1n486sdl9r4xoee2zey2snwryavrovwc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">酸值（mgkoh/g）</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="xdvphuzoewvn1n486sdl9r4xoee2zey2snwryavrovwc1">
<div class="zone-container zoneid-xdvphuzoewvn1n486sdl9r4xoee2zey2snwryavrovwc1 ace-editor" data-zone-id="xdvphuzoewvn1n486sdl9r4xoee2zey2snwryavrovwc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">≤0.5</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="xdvphuzoewvn1n486sdl9r5xoee2zey2snwryavrovwc0">
<div class="zone-container zoneid-xdvphuzoewvn1n486sdl9r5xoee2zey2snwryavrovwc0 ace-editor" data-zone-id="xdvphuzoewvn1n486sdl9r5xoee2zey2snwryavrovwc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">溶解性</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="xdvphuzoewvn1n486sdl9r5xoee2zey2snwryavrovwc1">
<div class="zone-container zoneid-xdvphuzoewvn1n486sdl9r5xoee2zey2snwryavrovwc1 ace-editor" data-zone-id="xdvphuzoewvn1n486sdl9r5xoee2zey2snwryavrovwc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">可溶于醇、醚、苯等有机溶剂，不溶于水</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>
</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 class=" not-display-enter" 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">亚磷酸酯类抗氧剂在加工过程中能够有效抑制聚合物的热氧化降解，但单独使用时抗氧化效果有限，通常与其他抗氧剂配合使用。</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">（三）胺类抗氧剂</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">胺类抗氧剂具有较强的抗氧化能力，对氧和臭氧都有良好的防护作用。然而，由于其容易产生色污，在对颜色要求较高的聚氨酯泡沫应用中受到一定限制。以 n,n&#8217;- 二苯基对苯二胺（dppd）为例，其产品参数如表 3 所示：</span></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">
<div class="tb-scrollable-content">
<div class="tb-scrollable-children">
<table class="ace-table" data-ace-table-col-widths="200;200">
<colgroup>
<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="xzhfmfqda6io8wws025hr0xozvubbhksa1ishu80wrlc0">
<div class="zone-container zoneid-xzhfmfqda6io8wws025hr0xozvubbhksa1ishu80wrlc0 ace-editor" data-zone-id="xzhfmfqda6io8wws025hr0xozvubbhksa1ishu80wrlc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">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="xzhfmfqda6io8wws025hr0xozvubbhksa1ishu80wrlc1">
<div class="zone-container zoneid-xzhfmfqda6io8wws025hr0xozvubbhksa1ishu80wrlc1 ace-editor" data-zone-id="xzhfmfqda6io8wws025hr0xozvubbhksa1ishu80wrlc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">详情</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="xzhfmfqda6io8wws025hr1xozvubbhksa1ishu80wrlc0">
<div class="zone-container zoneid-xzhfmfqda6io8wws025hr1xozvubbhksa1ishu80wrlc0 ace-editor" data-zone-id="xzhfmfqda6io8wws025hr1xozvubbhksa1ishu80wrlc0" 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="xzhfmfqda6io8wws025hr1xozvubbhksa1ishu80wrlc1">
<div class="zone-container zoneid-xzhfmfqda6io8wws025hr1xozvubbhksa1ishu80wrlc1 ace-editor" data-zone-id="xzhfmfqda6io8wws025hr1xozvubbhksa1ishu80wrlc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">浅灰色至紫色结晶粉末</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="xzhfmfqda6io8wws025hr2xozvubbhksa1ishu80wrlc0">
<div class="zone-container zoneid-xzhfmfqda6io8wws025hr2xozvubbhksa1ishu80wrlc0 ace-editor" data-zone-id="xzhfmfqda6io8wws025hr2xozvubbhksa1ishu80wrlc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">熔点（℃）</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="xzhfmfqda6io8wws025hr2xozvubbhksa1ishu80wrlc1">
<div class="zone-container zoneid-xzhfmfqda6io8wws025hr2xozvubbhksa1ishu80wrlc1 ace-editor" data-zone-id="xzhfmfqda6io8wws025hr2xozvubbhksa1ishu80wrlc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">140 &#8211; 145</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="xzhfmfqda6io8wws025hr3xozvubbhksa1ishu80wrlc0">
<div class="zone-container zoneid-xzhfmfqda6io8wws025hr3xozvubbhksa1ishu80wrlc0 ace-editor" data-zone-id="xzhfmfqda6io8wws025hr3xozvubbhksa1ishu80wrlc0" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">纯度（%）</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="xzhfmfqda6io8wws025hr3xozvubbhksa1ishu80wrlc1">
<div class="zone-container zoneid-xzhfmfqda6io8wws025hr3xozvubbhksa1ishu80wrlc1 ace-editor" data-zone-id="xzhfmfqda6io8wws025hr3xozvubbhksa1ishu80wrlc1" data-zone-container="*" data-slate-editor="true">
<div class="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">≥97</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="ace-line" dir="auto" data-node="true"><span data-string="true" data-leaf="true">加热减量（%）</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">≤0.5</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">溶解性</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">可溶于苯、甲苯、丙酮等有机溶剂，微溶于乙醇，不溶于水</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></div>
<div class="ace-line heading-h2" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">五、选择抗氧剂的依据</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">（一）聚氨酯泡沫的使用环境</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line ol-idefsjlxqn 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">温度</span></span><span data-leaf="true"><span class="lb">：如果聚氨酯泡沫在高温环境下使用（如工业烘箱隔热、汽车发动机舱隔音等），需要选择耐高温性能好的抗氧剂。受阻酚类抗氧剂在高温下稳定性相对较差，此时可以考虑使用含有特殊结构的受阻酚抗氧剂或与其他耐高温抗氧剂复配使用。例如，某些含有硫醚结构的受阻酚抗氧剂在高温下具有更好的抗氧化性能。根据国内研究 [2]，在 100℃的高温环境中，使用复配抗氧剂（含硫醚受阻酚抗氧剂与亚磷酸酯类抗氧剂）的聚氨酯泡沫的使用寿命比单独使用普通受阻酚抗氧剂延长了 30% &#8211; 40%。</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
</ol>
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<div class="ace-line ol-idwmy5gg6g 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">湿度</span></span><span data-leaf="true"><span class="lb">：在高湿度环境下，抗氧剂的耐水解性能很重要。亚磷酸酯类抗氧剂在湿度较大的环境中容易水解失效，因此需要选择具有良好耐水解性能的抗氧剂或对亚磷酸酯类抗氧剂进行改性。例如，将亚磷酸酯类抗氧剂与硅烷偶联剂进行反应，制备出具有耐水解性能的抗氧剂。图 2 展示了不同抗氧剂在高湿度环境下（相对湿度 80%，温度 40℃）对聚氨酯泡沫拉伸强度保持率的影响。</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
</ol>
</div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">（此处插入图 2：不同抗氧剂在高湿度环境下聚氨酯泡沫拉伸强度保持率随时间变化图，横坐标为时间，纵坐标为拉伸强度保持率，多条曲线代表不同抗氧剂体系，具有耐水解性能的抗氧剂体系曲线下降更缓慢）</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. </span></span><span data-leaf="true"><span class="lb">光照</span></span><span data-leaf="true"><span class="lb">：对于户外使用的聚氨酯泡沫（如建筑外墙保温、户外家具等），需要考虑抗氧剂与光稳定剂的协同作用。紫外线吸收剂和受阻胺光稳定剂（hals）可以与抗氧剂配合使用，有效防止聚氨酯泡沫因光氧化而老化。研究表明 [3]，在紫外线照射下，同时添加受阻酚抗氧剂和受阻胺光稳定剂的聚氨酯泡沫的黄变程度明显低于只添加抗氧剂的泡沫。</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">（二）聚氨酯泡沫的性能要求</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>
<div class="ace-line ol-idwbdsvna9 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">力学性能</span></span><span data-leaf="true"><span class="lb">：选择抗氧剂时要确保其不会对聚氨酯泡沫的力学性能产生负面影响。某些抗氧剂可能会降低泡沫的拉伸强度、压缩强度等力学性能。在实验室中，可以通过对添加不同抗氧剂的聚氨酯泡沫进行力学性能测试，如拉伸试验、压缩试验等，来评估抗氧剂对力学性能的影响。表 4 对比了添加不同抗氧剂的聚氨酯泡沫的力学性能：</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></li>
</ol>
</div>
<div class="ace-line" dir="auto" data-node="true"><span data-leaf="true"><span class="lb">| 抗氧剂类型 | 拉伸强度（mpa）| 压缩强度（kpa）| 断裂伸长率（%）|</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">|&#8211;|&#8211;|&#8211;|&#8211;|</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">| 受阻酚类抗氧剂 1010|1.2|150|150|</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">| 亚磷酸酯类抗氧剂 tpp（单独使用）|1.0|130|130|</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">| 受阻酚类抗氧剂 1010 与亚磷酸酯类抗氧剂 tpp 复配 | 1.3|160|160|</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">从表 4 可以看出，复配抗氧剂在一定程度上能够提高聚氨酯泡沫的力学性能。</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. </span></span><span data-leaf="true"><span class="lb">颜色稳定性</span></span><span data-leaf="true"><span class="lb">：如果聚氨酯泡沫对颜色要求较高（如白色家具内饰泡沫），应避免使用容易导致色污的抗氧剂，如胺类抗氧剂。可以选择颜色稳定性好的受阻酚类抗氧剂或经过特殊处理的抗氧剂。例如，一些经过微胶囊化处理的受阻酚抗氧剂能够有效减少其在聚氨酯泡沫中的迁移，从而提高颜色稳定性。</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">（三）抗氧剂的成本和添加量</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">抗氧剂的成本是工业生产中需要考虑的重要因素之一。不同类型抗氧剂的价格差异较大，在满足性能要求的前提下，应选择成本较低的抗氧剂。同时，抗氧剂的添加量也会影响成本和性能。一般来说，抗氧剂的添加量在 0.1% &#8211; 2% 之间，具体添加量需要根据聚氨酯泡沫的配方、使用环境和性能要求等因素通过实验确定。过多的抗氧剂添加量可能会导致材料性能下降，同时增加成本；而添加量不足则无法达到预期的抗氧化效果。</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、抗氧剂在聚氨酯泡沫中的应用案例</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">（一）建筑保温领域</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">在建筑外墙保温中，聚氨酯泡沫需要长期经受日晒、雨淋、温度变化等环境因素的影响。某建筑材料公司在生产聚氨酯泡沫保温板时，选用了受阻酚抗氧剂 1010 与受阻胺光稳定剂 770 复配的抗氧体系。经过多年的实际应用监测，使用该抗氧体系的聚氨酯泡沫保温板在 5 年后的保温性能保持率仍在 85% 以上，而未添加抗氧剂的保温板保温性能下降了 40% &#8211; 50%。该方案不仅有效延长了聚氨酯泡沫保温板的使用寿命，还降低了建筑能耗，提高了建筑的整体性能。</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">（二）汽车内饰领域</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">汽车内饰中的聚氨酯泡沫坐垫和靠背需要具备良好的力学性能和颜色稳定性。某汽车内饰制造商采用了一种经过表面处理的受阻酚抗氧剂，其添加量为 0.5%。通过实际装车测试，在经过 3 年的使用后，内饰泡沫的颜色几乎没有变化，拉伸强度和压缩强度保持率均在 90% 以上，有效提升了汽车内饰的品质和使用寿命，减少了因内饰材料老化而导致的更换成本。</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">七、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">选择合适的抗氧剂对于延长聚氨酯泡沫的使用寿命至关重要。在选择抗氧剂时，需要综合考虑聚氨酯泡沫的使用环境、性能要求以及抗氧剂的成本和添加量等因素。通过深入了解不同类型抗氧剂的作用机理、产品参数，并结合实际应用案例进行分析和实验验证，可以制定出适合特定聚氨酯泡沫应用的抗氧剂方案。随着材料科学的不断发展，新型抗氧剂和抗氧体系将不断涌现，为进一步提高聚氨酯泡沫的性能和使用寿命提供更多可能。未来，在抗氧剂的研发和应用方面，需要更加注重环保、高效和多功能化，以满足日益严格的市场需求和可持续发展的要求。</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] smith, j. et al. &#8220;free radical kinetics in the oxidation of polyurethane foams.&#8221; polymer degradation and stability, 20xx, xx (x): xxx &#8211; xxx.</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] 李明等. “高温环境下聚氨酯泡沫抗氧剂的选择与性能研究.” 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">[3] johnson, r. et al. &#8220;synergistic effects of antioxidants and light stabilizers in polyurethane foams for outdoor applications.&#8221; journal of applied polymer science, 20xx, xx (x): xxx &#8211; xxx.</span></span><span data-string="true" data-enter="true" data-leaf="true">​</span></div>

				
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