Polymer supported quaternary ammonium was synthesized from polystyrene supported diethylene glycol with 6% crossing linkage,through grafting 1,4-dibromobutane,followed by reaction with tributyl amine.

• 以交联度为6%25的聚苯乙烯固载二甘醇树脂为原料,经接枝1,4-二溴丁烷,然后与三丁胺反应,合成季铵盐型的三相相转移催化剂。