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	Crystallization, melting behavior, and wettability of poly(epsilon-caprolactone) and poly(epsilon-caprolactone)/poly(n-vinylpyrrolidone) blends
	Xing, Zhimin1,2; Yang, Guisheng1,3
刊名	Journal of applied polymer science
	2010-03-05
卷号	115期号:5页码:2747-2755
关键词	Poly(epsilon-caprolactone) Poly(n-vinylpyrrolidone) Differential scanning calorimetry Wide-angle x-ray diffraction Water absorptivity Contact angle
ISSN号	0021-8995
DOI	10.1002/app.30069
通讯作者	Yang, guisheng(ygs@geniuscn.com)
英文摘要	Both wettability and crystallizability control poly(epsilon-caprolactone)'s (pcl) further applications as biomaterial. the wettability is an important property that is governed by both chemical composition and surface structure. in this study, we prepared the pcl/poly(n-vinylpyrrolidone) (pvp) blends via successive in situ polymerization steps aiming for improving the wettability and decreasing crystallizability of pcl. the isothermal crystallization of pcl/pvp at different pvp concentrations was carried out. the equilibrium melting point (t-m(0)), crystallization rate, and the melting behavior after isothermal crystallization were investigated using differential scanning calorimetry (dsc). the avrami equation was used to fit the isothermal crystallization. the dsc results showed that pvp had restraining effect on the crystallizability of pcl, and the crystallization rate of pcl decreased clearly with the increase of pvp content in the blends. the x-ray diffraction analysis (waxd) results agreed with that. water absorptivity and contact angle tests showed that the hydrophilic properties were improved with the increasing content of pvp in blends. the coefficient for the water diffusion into pcl/pvp blends showed to be non-fickian in character. (c) 2009 wiley periodicals, inc. j appl polym sci 115: 2747-2755, 2010
WOS关键词	INDOMETHACIN CRYSTALLIZATION ; ALIPHATIC POLYESTERS ; SURFACE MODIFICATION ; MOLECULAR-WEIGHT ; ISOTHERMAL CRYSTALLIZATION ; ALPHA-CYCLODEXTRIN ; COPOLYMERS ; POLY(VINYLPYRROLIDONE) ; POLYCAPROLACTONE ; CAPROLACTONE
WOS研究方向	Polymer Science
WOS类目	Polymer Science
语种	英语
出版者	WILEY-BLACKWELL
WOS记录号	WOS:000274114000028
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2409933
专题	中国科学院大学
通讯作者	Yang, Guisheng
作者单位	1.Chinese Acad Sci, Inst Chem, Joint Lab Polymer Sci & Technol, Beijing Natl Lab Mol Sci,Key Lab Engn Plast, Beijing 100080, Peoples R China 2.Chinese Acad Sci, Grad Sch, Inst Chem, Beijing 100080, Peoples R China 3.Shanghai Genius Adv Mat Co Ltd, Shanghai 201109, Peoples R China
推荐引用方式 GB/T 7714	Xing, Zhimin,Yang, Guisheng. Crystallization, melting behavior, and wettability of poly(epsilon-caprolactone) and poly(epsilon-caprolactone)/poly(n-vinylpyrrolidone) blends[J]. Journal of applied polymer science,2010,115(5):2747-2755.
APA	Xing, Zhimin,&Yang, Guisheng.(2010).Crystallization, melting behavior, and wettability of poly(epsilon-caprolactone) and poly(epsilon-caprolactone)/poly(n-vinylpyrrolidone) blends.Journal of applied polymer science,115(5),2747-2755.
MLA	Xing, Zhimin,et al."Crystallization, melting behavior, and wettability of poly(epsilon-caprolactone) and poly(epsilon-caprolactone)/poly(n-vinylpyrrolidone) blends".Journal of applied polymer science 115.5(2010):2747-2755.

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