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Citation: Zhao Yong, Chen Ye, Yang Decai. PHASE TRANSITION OF ORIENTED POLY(VINYLIDENE FLUORIDE)FILMS UPON STRETCHING[J]. Chinese Journal of Applied Chemistry, ;1993, 10(2): 115-116. shu

PHASE TRANSITION OF ORIENTED POLY(VINYLIDENE FLUORIDE)FILMS UPON STRETCHING

1.
Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022 Changchun

Received Date: 23 November 1991
Available Online: 9 November 1992
Fund Project:

Deformation process and phase transition of the oriented films of poly(vinylidene fluoride) (PVF₂) have been investigated by electron microscopy,electron diffraction and FTIR. The films prepared by a melt drawn technique contain highly oriented larnellae, which predominantly consist of a phase. During the course of stretching the fibrillar crystals are formed,accompanied by a α→β phase transition. Increasing deformation temperature is of no advantage to the α→β phase transition.
- poly(vinylidene fluoride),
- morphology,
- crystal phase
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