发明授权
US4213890A Preparation of terephthaloyl-terephthal/oxal copolyhydrazide containing zinc compound 失效
含锌化合物的对苯二甲酰对苯二甲酸/草酰共酰亚胺的制备

Preparation of terephthaloyl-terephthal/oxal copolyhydrazide containing
zinc compound
摘要:
Flame retardant films and fibers of zinc chelates of terephthaloyl-terephthalic/oxalic copolyhydrazides, the oxalic dihydrazide and terephthalic dihydrazide units having a molar ratio in the range of 19:6 to 6:19. The products aftertreated with an oxalic acid solution are colorless.
公开/授权文献
信息查询
0/0