ZINC CHELATES OF TEREPHTHALOYL-TEREPHTHAL/OXAL COPOLYHYDRAZIDE

摘要

GW 31802ZINC CHELATES OF TEREPHTHALOYL - TEREPHTHAL/OXAL COPOLYHYDRAZIDEAbstract of the DisclosureZinc chelates of terephthaloyl-terephthalic/oxaliccopolyhydrazides, the oxalic dihydrazide and terephthalic dihydra-zide units having a molar ratio in the range of 19: 6 to 6 :19,as well as the products aftertreated with an oxalic acid solution.