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Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK)

Changsha,China,10.16-10.18,2010

ISBN: 978-1-935068-41-9 Scientific Research Publishing, USA

E-Book 2313pp Pub. Date: October 2010

Category: Chemistry & Materials Science

Price: $360

Title: Synthesis and Surface Properties of Polyurethane Modified with Fluro-Siloxane
Source: Proceedings of the 7th National Conference on Functional Materials and Applications (FMA 2010 E-BOOK) (pp 2214-2217)
Author(s): Zhen-huan Luo, Zhuzhou Times New Material Technology Co., Ltd. Zhuzhou 412007 China
Zi-hua Huang, Zhuzhou Times New Material Technology Co., Ltd. Zhuzhou 412007 China
Chuan-jiang Song, Zhuzhou Times New Material Technology Co., Ltd. Zhuzhou 412007 China
Abstract: Series of polyurethane modified with fluro-siloxane modified were synthesized based on isophorone diisocyanate (IPDI), single-ended with two hydroxyl alkyl poly[methyl (3,3,3-trifluoropropyl) siloxane (PMTFPS) as the soft segment, poly caprolactone (PCL) as mixed soft segment. Surface properties and morphologies were investigated by water contact angle (CA), XPS, as well as AFM. The results show that PMTFPS can make surface modification of polyurethane (PU) by adding a small amount (about 15% wt), water CA can reach 110o. Because of the low surface energy, PMTFPS chain would move to the surface and dominate the interface, as a result, surface morphologies of microphase separation is not observed by AFM, instead of the homogeneous fluro-siloxane enrichment.
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