Thermal degradation of film cast from aqueous polyurethane dispersions

被引：57
|
作者：
Lu, MG
Lee, JY
Shim, MJ
Kim, SW [1 ]
机构：
[1] Univ Seoul, Dept Chem Engn, Seoul 130743, South Korea
[2] Han Yang Petrochem Co Ltd, Tech Res Ctr, Kyonggi Do 425110, South Korea
[3] Univ Seoul, Dept Life Sci, Seoul 130743, South Korea
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2002年 / 85卷 / 12期
关键词：
water-dispersible polyurethanes; isophorone diisocyanate; polytetramethylene glycol; thermal degradation; thermogravimetric analysis;
D O I：
10.1002/app.10882
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In this paper, water-dispersible polyurethanes based on isophorone diisocyanate and polytetramethylene glycol were synthesized, and their thermal degradation behavior under nitrogen and air was studied by thermogravimetric (TG) analysis. The influence of NCO/OH ratio and functional group concentration was discussed. The thermal decomposition kinetics under nonisothermal conditions was analyzed using Ozawa method. (C) 2002 Wiley Periodicals, Inc.
引用
收藏
页码：2552 / 2558
页数：7
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