| abstract |
An acrylic rubber composition having good vulcanization characteristics and excellent balance of workability, mechanical properties of rubber, and compression set, and a vulcanized product thereof. [Solution] An acrylic rubber composition containing a carboxyl group-containing acrylic rubber, a diazabicycloalkene compound, and a polyamine compound. Diazabicycloalkene compounds are 2,3,4,6,7,8,9,10-octahydropyrimido (1,2-a) azepine or 2,3,4,6,7,8-hexahydro. It is preferable that it is at least one compound of pyrrolo (1,2-a) pyrimidine, and the polyamine compound is preferably at least one compound of aromatic polyamine or aliphatic polyamine. [Selection figure] None |