申请人:JAPAN SYNTHETIC RUBBER CO., LTD.
公开号:EP0811659A2
公开(公告)日:1997-12-10
A crosslinkable acrylic rubber composition exhibiting superior balance between the storage stability and cure rate, and having only minimal risk of corroding metals or being contaminated by metals. The cured products made from the composition have excellent tensile strength, permanent compression set, and water resistance. The composition which comprises (1) a halogen-containing acrylic rubber, (2) a triazine thiol compound, (3) a dithiocarbamine acid derivative or a thiuram sulfide compound, or both, (4) a hydrotalcite compound or an organotin compound, or both, (5) an aromatic carboxylic acid compound or an acid anhydride thereof, or both, (6) a white filler with a pH of 2-10, and (7) a silane coupling agent.
一种可交联丙烯酸橡胶组合物,在贮存稳定性和固化速度之间表现出极佳的平衡,而且腐蚀金属或被金属污染的风险极低。由该组合物制成的固化产品具有优异的拉伸强度、永久压缩永久变形和防水性能。该组合物包括:(1) 含卤素丙烯酸橡胶;(2) 三嗪硫醇化合物;(3) 二硫代氨基甲酸衍生物或硫化秋兰姆化合物,或两者兼有;(4) 滑石粉化合物或有机锡化合物,或两者兼有;(5) 芳香族羧酸化合物或其酸酐,或两者兼有;(6) pH 值为 2-10 的白色填料;以及 (7) 硅烷偶联剂。