| 摘要 |
An ethylene-acrylic copolymer rubber composition, which comprises (A) a carboxyl group-containing ethylene-acrylic copolymer rubber, (B) at least one monoamine compound selected from the group consisting of a primary amine, a secondary amine and a tertiary amine, (C) a guanidine type compound, and (D) at least one of an aromatic diamine compound expressed by the following structural formula (1), <?in-line-formulae description="In-line Formulae" end="lead"?>H<SUB>2</SUB>N-Ph-M-Ph-NH<SUB>2</SUB>: structural formula (1)<?in-line-formulae description="In-line Formulae" end="tail"?> wherein M is O, S, SO<SUB>2</SUB>, CONH, or O-R-O in which R is Ph, Ph-Ph, Ph-SO<SUB>2</SUB>-Ph, (CH<SUB>2</SUB>)m, (CH<SUB>2</SUB>)C(CH<SUB>3</SUB>)<SUB>2</SUB>(CH<SUB>2</SUB>), or Ph-C(CX<SUB>3</SUB>)<SUB>2</SUB>-Ph, and m=3-5, X=H or F and Ph=benzene ring.
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