hexamethylene

A series of Copolyimides, derived from hexamethylene diamine ( HMD ) , 4,4� �-diaminodiphenyl ether ( ODA ) and 3,3� �, 4,4� �-oxydiphthalic dianhydride ( ODPA ), were prepared.

采用二苯醚3,3, ′4, 4′-四 甲酸 二酐与己二胺和4, 4′-二氨基二苯醚为 单体 合成聚酰胺酸, 经热酰亚胺化制备共聚型聚酰亚胺.

A series of Copolyimides, derived from hexamethylene diamine ( HMD ) , 4,4� �-diaminodiphenyl ether ( ODA ) and 3,3� �, 4,4� �-oxydiphthalic dianhydride ( ODPA ), were prepared.

采用二苯醚3,3, ′4, 4′-四 甲酸 二酐与己二胺和4, 4′-二氨基二苯醚为 单体 合成聚酰胺酸, 经热酰亚胺化制备共聚型聚酰亚胺.

To improve the mechanical properties of the binder system, a novel azido poly-isocyanate energetic curing agent ( EC) was synthesized via additional reaction of azido polyether polyol and hexamethylene diisocyanate ( HDI).

为提高黏合剂体系的力学性能，通过叠氮聚醚多元醇与六亚甲基二异氰酸酯（HDI）反应合成了一种新型叠氮多异氰酸酯含能固化剂（EC）。