| abstract |
An acrylic elastomer composition comprising (A) a halogen-containingnacrylic elastomer, (B) a polyvalent carboxylic acid, (C) a quaternary oniumnsalt and (D) a hydrotalcite can be vulcanized within a shorter vulcanizationntime to give a vulcanization product having distinguished normal statenphysical properties and compression set characteristics, even without anynsecondary vulcanization. |