| 环氧化天然橡胶/PVC共混物的热氧降解 |
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| 引用本文： | 张北龙,刘惠伦.环氧化天然橡胶/PVC共混物的热氧降解[J].橡胶工业,2001,48(6):330-333. |
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| 作者姓名： | 张北龙 刘惠伦 |
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| 作者单位： | 华南热带农产品加工设计研究所, |
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| 摘 要： | 采用热重－差示热重分析和差热分析了环氧化天然橡胶（ENR）／PVC共混物的热氧降解过程，结果表明，炭黑补强的ENR／PVC共混物的热氧降解过程分为3个阶段，第1阶段主要是PVC脱氯化氢，而氯化氢引起ENR发生催化氧化反应而放热，且该阶段明显受到ENR／PVC共混比的影响，随着PVC用量的增大，共混物的热氧稳定性下降。
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| 关 键 词： | 环氧化天然橡胶 PVC 共混 聚氯乙烯 热氧降解 |
| 文章编号： | 1000-890(2001)06-0330-04 |
| 修稿时间： | 2000年12月27 |
Thermo-oxidative degradation of ENR/PVC blend |
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| ZHANG Bei-long and LIU Hui-lun.Thermo-oxidative degradation of ENR/PVC blend[J].China Rubber Industry,2001,48(6):330-333. |
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| Authors: | ZHANG Bei-long and LIU Hui-lun |
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| Affiliation: | South China Design and Research Institute of Tropic Agricultural Product Processing and South China Design and Research Institute of Tropic Agricultural Product Processing |
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| Abstract: | The thermo oxidative degradation of ENR/PVC blend was investigated by TG DTG and DTA.The results showed that the degradation process of ENR/PVC blend filled with carbon black consisted of three steps;the exothermic HCl catalysed oxidative reaction of ENR was resulted from giving off of HCl during the first step;and the first step of degradation process was affected by the blending ratio of ENR/PVC,the thermo oxidative aging property decreased as the proportion of PVC increased. |
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| Keywords: | ENR PVC blend thermo oxidative degradation |
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