聚氨酯缔合增稠剂增稠机理及增稠效果研究进展  

Research of Mechanism and Thickening Effect in Hydrophobe-modified Ethoxylated Urethane

作　　者：张方涛[1] 罗钟瑜[1] 修玉英[1] 

机构地区：[1]华南理工大学材料研究所,广东广州510641

出　　处：《合成材料老化与应用》2009年第2期50-54,共5页Synthetic Materials Aging and Application

摘　　要：聚氨酯缔合增稠剂以其优异的增稠效果和顺应环保的特性而在涂料工业中得到迅速发展,其特殊的亲水疏水链段的共同作用,在乳液中形成缔合网络结构,大大提高了其增稠效果。另外,增稠剂使用中内部和外部影响因素的变化如分子量的大小、亲水和亲油链段的选择、以及表面活性剂的加入都会影响到其增稠效果。With the outstanding thickening effect and pro-environment character, Polyurethane association thickener has been developing rapidly in the coating industry. The combined action of the special hydrophilie and hydrophobic segments helps to form a certain association network in the emulsion, which has greatly enhanced the thickening effect. In addition, many factors such as the molecular weight of thickener, oil-water section of the chain, and surfactant, also have profound impact on its thickening effect.

关 键 词：聚氨酯缔合增稠剂 分子量 分子量分布 亲水链段 亲油链段 表面活性剂 

分 类 号：TQ630.49[化学工程—精细化工] TS194.2[轻工技术与工程—纺织化学与染整工程]