Surface modification of waterborne polyurethane

被引：56
|
作者：
Jeong, Ho Young [1 ]
Lee, Min Hee [1 ]
Kim, Byung Kyu [1 ]
机构：
[1] Pusan Natl Univ, Dept Polymer Sci & Engn, Pusan 309735, South Korea
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2006年 / 290卷 / 1-3期
关键词：
polyurethane; surface modifying agent; XPS; fluorine; hydrogen bonding;
D O I：
10.1016/j.colsurfa.2006.05.036
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：
Fluorinated urethane oligomers (SMAs) having repeat unit identical to the hard segment of base polyurethane (PU) have been synthesized and blended with base PU prior to dispersion. XPS and static contact angle measurements showed that surfaces of dispersion cast film are significantly enriched with SMA although SMA and base PU were miscible in bulk phase showing a single glass transition temperature. AFM showed that surface roughness of the dispersion cast film increased over 13 times with the addition of SMA (15%) providing possible mechanism of increased water and oil resistance as well as low friction coefficient of the film. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：178 / 185
页数：8
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