Preparation and properties of waterborne interpenetrating polymer networks composed of polyurethaneurea and graft vinyl ester resin

被引：0
|
作者：
Su, Teng [1 ,2 ]
Hu, Chun Pu [1 ,2 ]
机构：
[1] Key Laboratory for Ultrafine Materials, Ministry of Education, Shanghai 200237, China
[2] School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
来源：
Journal of Applied Polymer Science | 2009年 / 114卷 / 02期
关键词：
Various waterborne interpenetrating polymer networks (IPNs) composed of polyurethaneurea (PUU) and graft vinyl ester resin were prepared from polyester polyol; dimethylolpropionic acid; isophorone di-isocyanate; ethylenediamine and a well-defined graft vinyl ester resin containing butanol side chains (BO-g-VER). These anionic IPN aqueous dispersions were stable at the ambient temperature for >1 yr; and also had the excellent stability at low and high temperatures. The experimental results showed that the introduction of BO-g-VER network has not only greatly affected the particle morphology; stability and rheological behavior of these aqueous dispersions; but also rendered the films with the augmented surface hydrophobicity as well as the excellent water-resistance performance and mechanical properties. A syner-gistic effect was observed at a certain BO-g-VER composition (20 wt %) to give significant reinforcement to the PUU; resulting from the compatibility and/or the interpenetration between the PUU network and the BO-g-VER network. VC2009 Wiley Periodicals; Inc;
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摘要：
Journal article (JA)
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页码：1070 / 1079
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