Chlorine Effect on Thermal Aging Behaviors of BR and CR Composites
作者： Sung-Seen Choi , Jong-Chul Kim
DOI: 10.5012/BKCS.2010.31.9.2613
关键词:
摘要: Chloroprene is a chlorine substituent of 1,3-butadiene. Butadiene rubber (BR) and chloroprene (CR) composites were thermally aged at 60, 70, 80, 90 o C for 2 - 185 days in convection oven changes the crosslink densities by accelerated thermal aging investigated. The increased as time elapsed temperature became higher. Degrees density BR composite on whole larger than those CR one except short-term 60 70 C. abnormally after themal high temperatures long time. Activation energies tended to increase with variation showed local minimum. activation lower one. experimental results explained role ligand atom zinc complex, steric hindrance CR, oxidation chain.
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