A series of reactive maleic anhydride terminated polyethylene glycol was synthesized and used as a toughening modifier of the unsaturated polyester specified for Bulk Moulding Compounds (BMC).

• 摘要合成了一系列含有反应活性端基的改性聚乙二醇，并用其对BMC（团状模塑料）专用的高交联度不饱和聚酯进行增韧。