The method was to make styrene,butadiene,and a unsaturated tertiary amine polymerize,then make the molecules react with the cross linking agent.

• 先使丁二烯、苯乙烯与可聚合的不饱和叔胺单体共聚,再加入含活性卤基的有机物使分子链交联,经充油、凝聚、干燥等后处理工艺而得。