STUDIES ON THE MORPHOLOGY OF SOME PERFLUORO (ETHYLENE-PROPYLENE) COPOLYMERS BY SMALL ANGLE LIGHT SCATTERING TECHNIQUE

ZHANG Jianguo; JIANG Bingzheng

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STUDIES ON THE MORPHOLOGY OF SOME PERFLUORO (ETHYLENE-PROPYLENE) COPOLYMERS BY SMALL ANGLE LIGHT SCATTERING TECHNIQUE

Papers | Updated：2021-06-21

- STUDIES ON THE MORPHOLOGY OF SOME PERFLUORO (ETHYLENE-PROPYLENE) COPOLYMERS BY SMALL ANGLE LIGHT SCATTERING TECHNIQUE
- Vol. 1, Issue 1, Pages: 76-79(1983)
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- Published：20 July 1983
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ZHANG Jianguo, JIANG Bingzheng. STUDIES ON THE MORPHOLOGY OF SOME PERFLUORO (ETHYLENE-PROPYLENE) COPOLYMERS BY SMALL ANGLE LIGHT SCATTERING TECHNIQUE[J]. 1983, 1(1): 76-79.
DOI：

ZHANG Jianguo, JIANG Bingzheng. STUDIES ON THE MORPHOLOGY OF SOME PERFLUORO (ETHYLENE-PROPYLENE) COPOLYMERS BY SMALL ANGLE LIGHT SCATTERING TECHNIQUE[J]. 1983, 1(1): 76-79. DOI：

摘要

The crystalline morphology of some FEP copolymers

prepared by different methods

with different hexafluoropropylene (F6) contents was studied by means of small angle light scattering technique.The results obtained show that the main factors which affect the crystalline morphology are the content of F6 and the conditions for crystallization. The morphological structure of these copolymers could change from rod-like to spherulitical

as the F6 content changed from 2% to 14—19% under usual air-quenching condition.However

rod-like crystalline structure would form under very low rate of cooling(0.2℃/min).Some Hv patterns show that fine structure also exists in addition to the two-and three-dimensional spherulites coexisting in the specimens prepared under certain crystallization conditions.

Abstract

The crystalline morphology of some FEP copolymers

prepared by different methods

as the F6 content changed from 2% to 14—19% under usual air-quenching condition.However

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