Moisture-hardening polyurethane for packaging adhesive was synthesized by using 1,4-butanediol(BDO) as chain extender,the trimethylolpropane(TMP) as cross linker.

• 以1,4-丁二醇(BDO)为扩链剂,以三羟甲基丙烷(TMP)为交联剂,得到湿固化的单组分聚氨酯胶粘剂。