Journal
APPLIED SURFACE SCIENCE
Volume 256, Issue 10, Pages 3240-3244Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2009.12.012
Keywords
Polypropylene; Block copolymers; Macromolecular surface modifier; ATR-FTIR
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Funding
- National Natural Science Foundation of China [10772102]
- Natural Science Foundation of Guangdong Province [9152841101000001]
- Science and Technology Program of Guangdong Province [2007B080701024]
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Polypropylene-block-poly(vinylpyrrolidone) copolymer was synthesized through the esterification of dicarboxyl-terminated polypropylene with monohydroxyl-terminated poly(vinylpyrrolidone) and used as a macromolecular surface modifier to improve the surface hydrophilicity of PP. The results of ATR-FTIR and contact angles measurements indicated that PP-b-PVP could diffuse preferably onto the surface by the inducement of high energy interface and lower the water contact angle of polypropylene. Lower loading and lower molecular weight of PP and PVP segment would result in higher surface selective enrichment. (C) 2009 Elsevier B. V. All rights reserved.
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