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Citation: ZHONG Jie-Ping, WEI Yong-Cai, PENG Zheng, YU He-Ping, LI Si-Dong, QU Ju-Lan, GUO Chen-Kun. Thermal Degradation Kinetics of Chlorinated Natural Rubber at Constant Heating Rate[J]. Chinese Journal of Applied Chemistry, ;2000, 17(4): 427-429. shu

Thermal Degradation Kinetics of Chlorinated Natural Rubber at Constant Heating Rate

a.
a. South China Tropical Agricultural Product Processing Research Institute, Zhanjiang 524001;
b.
b. Key Laboratory of Natural Rubber Processing, Ministry of Agriculture, Zhanjiang;
c.
c. Test Center, Zhanjiang Normal College, Zhanjiang

Received Date: 4 November 1999
Available Online: 29 February 2000
Fund Project: 国家自然科学基金资助项目(59863002) (59863002)

The thermal degradation kinetics of chlorinated natural rubber(CNR) at constant heating rate has been studied. The results indicate that the thermal degradation of CNR is a one-step reaction and the degradation temperature is directly propotional to the heating rate, but the thermal degradation rate is less affected by the heating rate. The main reaction in thermal degradation is dehydrochlorination with an activation energy closing to that of the dehydrochlorination of PVC.
- natural rubber latex,
- chlorinated natural rubber,
- thermal degradation,
- kinetics
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