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US 5,470,917 AGranted
Vulcanizable bromine-containing fluororubber composition containing a peroxy-benzoate
AssigneeDaikin Industries, Ltd.
InventorsShuji Suyama, Hideyo Ishigaki, Masayasu Tomoda, Yoshihiro Shirai, Hiroyuki Tanaka, Masaharu Komai
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Abstract
A vulcanizable rubber composition which contains an iodine- or bromine-containing rubber and an organic peroxide of the formula. ##STR1## wherein R.sup.1 is a hydrogen atom, a chlorine atom or methyl group, R.sup.2 is a linear or branched alkyl group having 2 to 5 carbon atoms, and n is an integer of 1 to 3, generates only a small amount of methyl iodide or methyl bromide during the vulcanization.
Claims3
A vulcanizable rubber composition which comprises a bromine-containing fluororubber and an organic peroxide of the formula:
- ##STR3## wherein R.sup.1 is a hydrogen atom, a chlorine atom or methyl group, R.sup.2 is a linear or branched alkyl group having 2 to 5 carbon atoms, and n is an integer of 1 to 3, wherein an amount of the organic peroxide is from 0.1 to 5 parts by weight per 100 parts by weight of the fluororubber.
Dependencies are inferred from the claim text.