Modification on crystallization of poly(vinylidene fluoride) (PVDF) by solvent extraction of poly(methyl methacrylate) (PMMA) in PVDF/PMMA blends

doi:10.1007/s11706-011-0152-2

Frontiers of Materials Science

2011, Vol. 5

Issue (4): 388-400 https://doi.org/10.1007/s11706-011-0152-2

RESEARCH ARTICLE

本期目录

Modification on crystallization of poly(vinylidene fluoride) (PVDF) by solvent extraction of poly(methyl methacrylate) (PMMA) in PVDF/PMMA blends

Jing SUN¹, Lu YAO¹, Qiao-Ling ZHAO², Jin HUANG², Rui SONG^1,3(

), Zhi MA², Ling-Hao HE¹, Wei HUANG⁴, Yong-Mei HAO³

1. Key Laboratory of Surface and Interface Sciences of Henan Province, Zhengzhou University of Light Industry, Zhengzhou 450005, China; 2. Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China; 3. College of Chemistry and Chemical Engineering, Graduate University of Chinese Academy of Sciences, Beijing 100049, China; 4. Laboratory of Advanced Polymer Materials, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China

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Abstract：

The crystallization modification of poly(vinylidene fluoride) (PVDF) was investigated for the blend films of PVDF and poly(methyl methacrylate) (PMMA). The mass crystallinity (χ_c) and further, the β-phase content (F_(β)) of PVDF, were studied for the as-prepared blend films with different mass ratios. In addition, the variations of χ_c and F_(β) were systematically probed once the PMMA component was removed from the related blend systems. DSC, FTIR and XRD measurements all indicated that 1) χ_c, F_(β) and even the content of α-phase (F_(α)) decreased with the addition of PMMA; 2) with the extraction of PMMA, both χ_c and F_(β) increased while F_(α) decreased. It is worth noting that the increase of χ_c and F_(β) depended on the relative amount of extracted PMMA (E_PMMA), i.e., the more PMMA was removed, the more χ_c and F_(β) increased. These results reveal the hindrance effect from the PMMA constituent to the crystallization of PVDF, and consequently, this restriction would be released when the PMMA was extracted.

Key words： poly(vinylidene fluoride) poly(methyl methacrylate) blend film crystallization

收稿日期: 2011-07-24 出版日期: 2011-12-05

Corresponding Author(s): SONG Rui,Email:rsong@gucas.ac.cn

引用本文:

. Modification on crystallization of poly(vinylidene fluoride) (PVDF) by solvent extraction of poly(methyl methacrylate) (PMMA) in PVDF/PMMA blends[J]. Frontiers of Materials Science, 2011, 5(4): 388-400.
Jing SUN, Lu YAO, Qiao-Ling ZHAO, Jin HUANG, Rui SONG, Zhi MA, Ling-Hao HE, Wei HUANG, Yong-Mei HAO. Modification on crystallization of poly(vinylidene fluoride) (PVDF) by solvent extraction of poly(methyl methacrylate) (PMMA) in PVDF/PMMA blends. Front Mater Sci, 2011, 5(4): 388-400.

链接本文:

https://academic.hep.com.cn/foms/CN/10.1007/s11706-011-0152-2
https://academic.hep.com.cn/foms/CN/Y2011/V5/I4/388

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