Crystallization of Poly(ethylene adipate) within -Phase Poly(vinylidene fluoride) Matrix

Hai-jun Wang; Hui-ping Feng; Xue-chuan Wang; Qing-chuan Du; Chao Yan

doi:10.1007/s10118-015-1627-x

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Crystallization of Poly(ethylene adipate) within -Phase Poly(vinylidene fluoride) Matrix

PAPER | Updated：2021-06-21

- Crystallization of Poly(ethylene adipate) within -Phase Poly(vinylidene fluoride) Matrix
- Crystallization of Poly(ethylene adipate) within γ-Phase Poly(vinylidene fluoride) Matrix
- Chinese Journal of Polymer Science 2015年33卷第6期页码：823-829
- Affiliations：
  
  a.Shaanxi University of Science and Technology, Xi’an 710021, China
  b.Shaanxi Research Institute of Agricultural Products Processing Technology, Xi’an 710021, China
  c.School of Material Science & Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China
- Author bio：
  
  **Hai-jun Wang (王海军), E-mail: wanghaijun@sust.edu.cn
- Funds：
  
  National Natural Science Foundation of China(21204045;21276151);Key Scientific Research Group of Shaanxi Province(2013KCT-08);Scientific Research Group of Shanxi University of Science and Technology(TD12-04)
- DOI：10.1007/s10118-015-1627-x
  中图分类号：
- 收稿：2014-09-23，
  
  修回：2014-11-03，
  
  录用：2014-11-15，
  
  纸质出版：2015-06
- Accepted：
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Hai-jun Wang, Hui-ping Feng, Xue-chuan Wang, 等. Crystallization of Poly(ethylene adipate) within -Phase Poly(vinylidene fluoride) Matrix[J]. Chinese Journal of Polymer Science, 2015,33(6):823-829.

Hai-jun Wang, Hui-ping Feng, Xue-chuan Wang, et al. Crystallization of Poly(ethylene adipate) within γ-Phase Poly(vinylidene fluoride) Matrix[J]. Chinese Journal of Polymer Science, 2015, 33(6): 823-829. DOI: 10.1007/s10118-015-1627-x.
Hai-jun Wang, Hui-ping Feng, Xue-chuan Wang, 等. Crystallization of Poly(ethylene adipate) within -Phase Poly(vinylidene fluoride) Matrix[J]. Chinese Journal of Polymer Science, 2015,33(6):823-829. DOI： 10.1007/s10118-015-1627-x.

Hai-jun Wang, Hui-ping Feng, Xue-chuan Wang, et al. Crystallization of Poly(ethylene adipate) within γ-Phase Poly(vinylidene fluoride) Matrix[J]. Chinese Journal of Polymer Science, 2015, 33(6): 823-829. DOI: 10.1007/s10118-015-1627-x. DOI：

摘要

Abstract

The effects of PEA on the

-phase PVDF crystal structure and the crystallization of PEA within the pre-existing

-phase PVDF spherulites have been investigated by optical microscopy (OM)

infrared spectroscopy (IR) and scanning electron microscopy (SEM). The results demonstrate that the

-phase PVDF spherulites consist of the lamellae exhibiting a highly curved scroll-like morphology and develop preferentially in PEA-rich blend. With increasing PEA concentration

the scroll diameter increases and the scrolls are better separated from each other. PEA crystallizes first in the interspherulitic region and transcrystalline layer develops. Subsequently

the transcrystalline layer of PEA continues to grow within the

-phase PVDF spherulites

e.g.

in the region between the scrolls

until impinging on other PEA transcrystalline layers or spherulites. The crystallization kinetics results indicate that the growth rate of PEA crystals in the intraspherulitic region of

-phase PVDF shows a positive correlation with content of PEA

but a negative one with the crystallization temperature of

-phase PVDF.

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