EFFECT OF TACTICITY OF PMMA ON CRYSTALLINE STRUCTURE OF POLY VINYLIDENE FLUORIDE*

CHEN Ye; YANG Decai

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EFFECT OF TACTICITY OF PMMA ON CRYSTALLINE STRUCTURE OF POLY VINYLIDENE FLUORIDE*

Papers | Updated：2021-06-21

- EFFECT OF TACTICITY OF PMMA ON CRYSTALLINE STRUCTURE OF POLY VINYLIDENE FLUORIDE*
- EFFECT OF TACTICITY OF PMMA ON CRYSTALLINE STRUCTURE OF POLY VINYLIDENE FLUORIDE*
- 高分子科学（英文版） 1994年12卷第2期页码：122-125
- Affiliations：
  
  1.   Polymer Physics Laboratory
  2.   Changchun Institute of Applied Chemistry
  3.   Academia Sinica
  4.   Changchun 130022
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CHEN Ye, YANG Decai. EFFECT OF TACTICITY OF PMMA ON CRYSTALLINE STRUCTURE OF POLY VINYLIDENE FLUORIDE*[J]. 高分子科学（英文版）, 1994,12(2):122-125.

CHEN Ye, YANG Decai. EFFECT OF TACTICITY OF PMMA ON CRYSTALLINE STRUCTURE OF POLY VINYLIDENE FLUORIDE*[J]. 1994,12(2):122-125.
CHEN Ye, YANG Decai. EFFECT OF TACTICITY OF PMMA ON CRYSTALLINE STRUCTURE OF POLY VINYLIDENE FLUORIDE*[J]. 高分子科学（英文版）, 1994,12(2):122-125. DOI：

CHEN Ye, YANG Decai. EFFECT OF TACTICITY OF PMMA ON CRYSTALLINE STRUCTURE OF POLY VINYLIDENE FLUORIDE*[J]. 1994,12(2):122-125. DOI：

摘要

<,正,>, Fourier transform infrared spectroscopy （FTIR） has been used to study the effect of tacticityof PMMA on β phase formation of poly vinylidene fluoride （PVF,2,） during quenching process.For pure PVF,2, quenching at lower temperature results in the formation of β phase crystallites.The critical quenching temperature for β phase formation is about 30℃. Adding a given amountof PMMA （30%） results in the increase of the critical quenching temperature. For the blends ofPVF,2, with atactic PMMA （a-PMMA）, the critical quenching temperature is about 45℃, whilefor the blends with syndiotactic PMMA （s-PMMA）, attains to about 70℃.

Abstract

Fourier transform infrared spectroscopy （FTIR） has been used to study the effect of tacticityof PMMA on β phase formation of poly vinylidene fluoride （PVF,2,） during quenching process.For pure PVF,2, quenching at lower temperature results in the formation of β phase crystallites.The critical quenching temperature for β phase formation is about 30℃. Adding a given amountof PMMA （30%） results in the increase of the critical quenching temperature. For the blends ofPVF,2, with atactic PMMA （a-PMMA）, the critical quenching temperature is about 45℃, whilefor the blends with syndiotactic PMMA （s-PMMA）, attains to about 70℃.

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