申请人:Nippon Mektron, Limited
公开号:EP0943657A2
公开(公告)日:1999-09-22
An acrylic elastomer composition comprising a carboxyl group-containing acrylic elastomer and a mercaptobenzimidazole gives sealing materials, etc. having improved compression set characteristics, where a vulcanizing agent-vulcanization accelerater combination such as (1) polyfunctional isocyanate compound and at least one of a guanidine, a quaternary onium salt, a tertiary amine and a tertiary phosphine, and (2) a diamine compound and at least one of a guanidine, 1,8-diazabicyclo[5,4,0]-undecene-7, 1,5-diazabicyclo[4,3,0]nonene-5 and their salts is used as a vulcanization system for the composition.
一种丙烯酸弹性体组合物,由含羧基的丙烯酸弹性体和巯基苯并咪唑等密封材料组成。一种丙烯酸弹性体组合物,由含羧基的丙烯酸弹性体和巯基苯并咪唑组成,具有更好的压缩永久变形特性,其中硫化剂-硫化促进剂组合如(1)多官能度异氰酸酯化合物和胍、季铵盐中的至少一种、(2) 二胺化合物和胍、1,8-二氮杂双环[5,4,0]-十一烯-7、1,5-二氮杂双环[4,3,0]壬烯-5 及其盐中的至少一种作为组合物的硫化体系。