Hexamethylphosphoric triamide(HPT) was added as toughened modifier in anionic catalytic polymerization of caprolactam to prepare modified MC nylon.

• 介绍在己内酰胺阴离子催化聚合反应中,添加六甲基磷酰三胺作增韧改性剂制备改性MC尼龙。