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| 甜菜碱对异戊橡胶热降解性能的影响 |
| The Influence of Betaine on Thermal Degradation Properties of Polyisoprene Rubber |
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| DOI： |
| 中文关键词: 甜菜碱 异戊橡胶 热降解 动力学 热重分析 差热分析 |
| 英文关键词: betaine polyisoprene rubber thermal degradation kinetics TG DTG |
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| 中文摘要: |
| 采用热重分析法研究氮气气氛下甜菜碱对异戊橡胶（IR）热降解性能的影响。结果表明：添加甜菜碱不会改变IR的热降解机；添加甜菜碱的IR胶料的起始降解温度、最大降解温度和反应活化能均比未添加甜菜碱的IR胶料高；表明甜菜碱提高了IR胶料的热稳定性。 |
| 英文摘要: |
| The effects of betaine on thermodegradation properties of the polyisoprene rubber (IR) were studied by thermogravimetry analysis (TG) in nitrogen atmosphere. The results showed that after added with betaine； the thermal degradation mechanism of IR has not changed； the initial temperature of mass loss； the peak temperature of mass loss and the reaction activation energy of IR are higher than those of compound IR without betaine. The thermal stability of IR is improved by betaine. |
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