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✦   LIBER   ✦

Study on preparation of chlorinated natural rubber from latex and its thermal stability

✍ Scribed by Jie-Ping Zhong; Si-Dong Li; Yong-Cai Wei; Zheng Peng; He-Ping Yu

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
119 KB
Volume
73
Category
Article
ISSN
0021-8995

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✦ Synopsis

The effects of pH value of reaction system, reaction time, and reaction temperature on the chlorination reaction in the preparation of chlorinated natural rubber (CNR) from natural rubber latex were discussed. It has been found from the thermal analysis that the thermal degradation of CNR in nitrogen is a one-step reaction, and 30% carbonide with a stable structure remained at 360 to 700Β°C; whereas the thermo-oxidative degradation of CNR in air is a multistep reaction, and the thermal degradation ratio reaches to 100% at 560Β°C.

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