多羧酸 meaning in Chinese

polycarboxylic acid

New developments of polycarboxylic acid derivative catalysts , ion exchange resin catalysts , macrocyclic chelating compound catalysts , quaternary phosphonium salt catalysts , heterogeneous hydrotalcite - type catalysts and other catalysts which to be used in ethylene oxide catalytic hydration , and the catalysts of synthesis method of ethylene glycol via preparation and reaction of ethylene carbonate are expounded
阐述了用于环氧乙烷催化水合反应中的多羧酸衍生物催化体系、离子交换树脂催化体系、大环螯合物催化体系、季?盐催化体系、多相水滑石型催化体系及其他催化体系近年来的研究进展；同时阐述了用于碳酸亚乙酯法合成乙二醇反应中的催化体系的新进展。
Abstract : researches on unformaldehyde unironing finishing are summarized in this paper . functions and deficiencies of glyoralamido , water soluble heat reactive polyure thane , bishydroxyethyl - sulfoue , natural high precision chitosan , reactive organosilicon , amyloidosis epoxide , multiple carboxyl acid compound are also analyzed and compared
文摘:综述了无甲醛免烫整理方面的研究,分析比较了乙二醛-酰胺类整理剂、水溶热反应性聚氨酯、双羟乙基砜、天然高聚物壳聚糖、反应性的有机硅、淀粉改性物、环氧类整理剂、多羧酸化合物等无甲醛抗皱整理剂的功能以及各种整理剂存在的不足