Largely Improved Stretch Ductility and <italic style="font-style: italic">β</italic>-Form Room-temperature Durability of Poly(vinylidene fluoride) by Incorporating Aliphatic Polyketone

Shui-Qin Pu; Shuo Guo; Ke Wang; Qiang Fu

doi:10.1007/s10118-018-2134-7

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Largely Improved Stretch Ductility and β-Form Room-temperature Durability of Poly(vinylidene fluoride) by Incorporating Aliphatic Polyketone

ARTICLE | Updated：2021-02-18

- Largely Improved Stretch Ductility and β-Form Room-temperature Durability of Poly(vinylidene fluoride) by Incorporating Aliphatic Polyketone
- Largely Improved Stretch Ductility and β-Form Room-temperature Durability of Poly(vinylidene fluoride) by Incorporating Aliphatic Polyketone
- Chinese Journal of Polymer Science 2018年36卷第11期页码：1277-1285
- Affiliations：
  
  1.College of Polymer Science and Engineering, Sichuan University, State Key Laboratory of Polymer Materials Engineering, Chengdu 610065, China
- Author bio：
  
  wkestar@scu.edu.cn (K.W.)
  qiangfu@scu.edu.cn (Q.F.)
- Funds：
  
  This work was financially supported by the National Natural Science Foundation of China (Nos. 51373108 and 21574088).
- DOI：10.1007/s10118-018-2134-7
  中图分类号：
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Shui-Qin Pu, Shuo Guo, Ke Wang, 等. Largely Improved Stretch Ductility and β-Form Room-temperature Durability of Poly(vinylidene fluoride) by Incorporating Aliphatic Polyketone[J]. Chinese Journal of Polymer Science, 2018,36(11):1277-1285.

Shui-Qin Pu, Shuo Guo, Ke Wang, et al. Largely Improved Stretch Ductility and β-Form Room-temperature Durability of Poly(vinylidene fluoride) by Incorporating Aliphatic Polyketone[J]. Chinese Journal of Polymer Science, 2018,36(11):1277-1285.
Shui-Qin Pu, Shuo Guo, Ke Wang, 等. Largely Improved Stretch Ductility and β-Form Room-temperature Durability of Poly(vinylidene fluoride) by Incorporating Aliphatic Polyketone[J]. Chinese Journal of Polymer Science, 2018,36(11):1277-1285. DOI： 10.1007/s10118-018-2134-7.

Shui-Qin Pu, Shuo Guo, Ke Wang, et al. Largely Improved Stretch Ductility and β-Form Room-temperature Durability of Poly(vinylidene fluoride) by Incorporating Aliphatic Polyketone[J]. Chinese Journal of Polymer Science, 2018,36(11):1277-1285. DOI： 10.1007/s10118-018-2134-7.

摘要

Abstract

In this study, we attempt to prepare a new blending system of poly(vinylidene fluoride) (PVDF) and aliphatic polyketone (POK) by melt compounding. The latter is a promising engineering plastic with comprehensive mechanical performances. When POK acted as minor phase to homogeneously disperse in and intimately contact with PVDF matrix, the brittle tensile behavior of neat PVDF transferred into a remarkably flexible manner (the elongation at break increased for 20 times), and more interestingly, the room-temperature durability of ,β,-form PVDF in the uniaxially drawn blend film was obviously better than that in the neat PVDF film. Fourier transform infrared spectroscopy revealed that specific dipole interaction existed between CF,2, group of PVDF and C＝O group of POK. The intermolecular dipolar interaction induced good compatibility in the PVDF/POK blends, as evidently proved by fine two-phase morphology and decreased melting points of POK crystals. Therefore, the good compatibility and interfacial enhancement are responsible for the improvement of the stretch ductility and ,β,-form room-temperature durability of the PVDF/POK blends.

关键词

Keywords

BlendAliphatic polyketoneDipole interactionStretch ductilityUniaxially drawn β-PVDF

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Largely Improved Stretch Ductility and β-Form Room-temperature Durability of Poly(vinylidene fluoride) by Incorporating Aliphatic Polyketone

DOI：10.1007/s10118-018-2134-7

摘要

Abstract

关键词

Keywords

references