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Study on crystallization of poly(epsilon-caprolactone) in poly(epsilon-caprolactone)/poly(vinyl methyl ether) blends
Meng Yanfeng; Li Hongfei; Wen Huiying; Jiang Shichun; An Lijia
2007-02-01
Source PublicationACTA POLYMERICA SINICA
ISSN1000-3304
Issue2Pages:198-202
AbstractThe crystallization behaviors of poly( E-caprolactone) (PCL) in poly(epsilon-caprolactone) (PCL) and poly(vinyl methyl ether) (PVME) blends were investigated by POM, DSC, WAXD, SAXS. POM results indicated that spherical crystal morphology was present during isothermal process, and the spheric growth rates were reduced with increasing the contents of PVME in PCL/PVME blends. It was found that the crystallinity of PCL in the blends remained almost constant regardless of the blend composition, but it was dependent on preparation technique. Solution-crystallization was found to be a technique capable of increasing crystallinity levels for some compositions. The melting behavior of the blends is a rather complex process. Both solution-crystallized samples and isothermal-crystallized samples exhibited a single endotherm. Oppositely, melting-crystallized samples exhibited dual-melting endotherms whose mangnitudes vary with blend compositions. On the basis of WAXD and SAXS experiments, it is found that the crystal structure is unchanged, but the long period increases with increasing the content of PVME because of the thickening of the amorphous layers.
KeywordPoly( Epsilon-caprolactone)/Poly(Vinyl Methyl Ether) Polymer Blends Crystallization Behavior
Indexed BySCI
Language英语
WOS IDWOS:000244405600018
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/62616
Collection中国科学院化学研究所
Corresponding AuthorMeng Yanfeng
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.Ludong Univ, Sch Chem & Mat Sci, Yantai 264025, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Meng Yanfeng,Li Hongfei,Wen Huiying,et al. Study on crystallization of poly(epsilon-caprolactone) in poly(epsilon-caprolactone)/poly(vinyl methyl ether) blends[J]. ACTA POLYMERICA SINICA,2007(2):198-202.
APA Meng Yanfeng,Li Hongfei,Wen Huiying,Jiang Shichun,&An Lijia.(2007).Study on crystallization of poly(epsilon-caprolactone) in poly(epsilon-caprolactone)/poly(vinyl methyl ether) blends.ACTA POLYMERICA SINICA(2),198-202.
MLA Meng Yanfeng,et al."Study on crystallization of poly(epsilon-caprolactone) in poly(epsilon-caprolactone)/poly(vinyl methyl ether) blends".ACTA POLYMERICA SINICA .2(2007):198-202.
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