AQUEOUS DISPERSION OF POLYURETHANE IONOMERS FROM HEXAMETHYLENE DIISOCYANATE AND TRIMELLITIC ANHYDRIDE

被引：48
作者：
KIM, CK
KIM, BK
JEONG, HM
机构：
[1] PUSAN NATL UNIV,DEPT POLYMER SCI & ENGN,PUSAN 609735,SOUTH KOREA
[2] UNIV ULSAN,DEPT CHEM,ULSAN,SOUTH KOREA
来源：
COLLOID AND POLYMER SCIENCE | 1991年 / 269卷 / 09期
关键词：
POLYURETHANE IONOMER; EMULSION; TRIMELLITIC ANHYDRIDE; PARTICLE SIZE;
D O I：
10.1007/BF00657306
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Polyurethane (PU) ionomers were prepared from trimellitic anhydride (TMA), poly(tetramethylene adipate) glycol (PTAd), and hexamethylene diisocyanate (HDI) in acetone. Upon neutralizing the carboxylic groups with a tertiary amine (TEA), and adding water to PU ionomer solution, followed by removing the acetone, stable aqueous PU dispersions were obtained. Effects of interionic molecular weight and nonionic hydrophilic segment, viz. monofunctional ethylene-propylene oxide ether on particle size, emulsion viscosity, mechanical, and viscoelastic properties of the emulsion cast films were examined.
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页码：895 / 900
页数：6
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