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Preparation and thermal stability of brominated natural rubber from latex
Author(s) -
Xue Xinghua,
Wu Yaohui,
Wang Fengping,
Ling Jun,
Fu Xin
Publication year - 2010
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.32375
Subject(s) - potassium persulfate , bromine , natural rubber , thermal stability , persulfate , polymer chemistry , degradation (telecommunications) , reaction mechanism , materials science , vulcanization , halogenation , chemistry , chemical engineering , organic chemistry , composite material , polymerization , polymer , catalysis , telecommunications , computer science , engineering
The effects of pH value of reaction system, reaction time, reaction temperature, bromine concentration, and amount of potassium persulfate on the bromination reaction in the preparation of brominated natural rubber (BNR) from natural rubber latex were discussed. It has been found from the thermal analysis, that is, the thermal degradation of BNR in nitrogen is a two‐step reaction, and 16% carbonide with a stable structure remained at 470–650°C. The thermo‐oxidative degradation of BNR in air is also a two‐step reaction, and the percentage of degraded BNR reaches to nearly 100% at 600°C. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010