| 摘要 |
PROBLEM TO BE SOLVED: To obtain a rubber composition excellent in electroconductivity, capable of preventing occurrence of bleeding or the like, excellent in appearance and capable of making it white. SOLUTION: This rubber composition comprises (A) at least one kind of rubber selected from butyl rubber, halogenated butyl rubber, ethylene-vinyl acetate rubber, chlorosulfonated polyethylene, chlorinated polyethylene, epichlorohydrin rubber, acrylic rubber, ethylene-(meth)acrylic acid ester copolymer rubber, silicone rubber, fluorinated silicone rubber and fluorine rubber and (B) a surface-treated filter obtained by carrying a compound obtained by compounding (a mixture of) compound(s) of formula I and/or formula II [Y is a carboxylic acid residue; R1 is H or a 1-15C alkyl group; Z is a 2-4C alkylene group; J is 1-30; K is 1-4; R2 and R3 are each a 1-15C alkyl group or alkenyl group; R4 is H or methyl group; (p) is 2-20] onto filler. |
