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Citation: Zhang Weiguang, Yang Decai. ON THE MORPHOLOGY OF HIGHLY ORIENTED FILMS OF COPOLYMERS OF VINYLIDENE FLUORIDE AND TETRAFLUOROETHYLENE[J]. Chinese Journal of Applied Chemistry, ;1986, 3(6): 64-67. shu

ON THE MORPHOLOGY OF HIGHLY ORIENTED FILMS OF COPOLYMERS OF VINYLIDENE FLUORIDE AND TETRAFLUOROETHYLENE

1.
Changchun Institute of Applied Chemistry, Academia Sinica

Received Date: 8 November 1985
Available Online: 15 April 1986

The morphology of melt-drawn films of copolymers of vinylidene fluoride and te-trafluoroethylene with various compositions has been investigated by TEM, IR,WAXDand DSC techniques. The melt-drawn films contain highly oriented lamellae consisted of β crystal formwithin the composition range investigated (tetrafluoroethylene content of 10-40mol%)The β phase is stable at higher temperatures. No phase transition has been observedduring the uniaxial deformation process of the films.
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