THE RHEO-OPTICAL FTIR STUDY OF POLYESTERPOLYETHER SEGMENTED COPOLYMER

WEN Zaiqing; SHEN Deyan; ZHAO Hengqi

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THE RHEO-OPTICAL FTIR STUDY OF POLYESTERPOLYETHER SEGMENTED COPOLYMER

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- THE RHEO-OPTICAL FTIR STUDY OF POLYESTERPOLYETHER SEGMENTED COPOLYMER
- Vol. 6, Issue 4, Pages: 326-331(1988)
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- Published：20 December 1988
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WEN Zaiqing, SHEN Deyan, ZHAO Hengqi. THE RHEO-OPTICAL FTIR STUDY OF POLYESTERPOLYETHER SEGMENTED COPOLYMER[J]. 1988, 6(4): 326-331.
DOI：

WEN Zaiqing, SHEN Deyan, ZHAO Hengqi. THE RHEO-OPTICAL FTIR STUDY OF POLYESTERPOLYETHER SEGMENTED COPOLYMER[J]. 1988, 6(4): 326-331. DOI：

摘要

The polyester-polyetber segmented copolymer has been investigated by rheo-optical FTIR during stretehing for the informastion on strain induced crystallizatinn of soft segment chains

hard and soft chain orientation.At room temperature 15℃

the soft segment chains of polyester-polyether being to crystallize at 220% strain and the degree of crystallixation increa(?)e with draw ratio

but there will not be any soft segment chains crystallization above 21℃ even at bigber strain. The average orientation of hard segment chains are higher than that of the solf chain at high strain level

both are positive oriented into the stretching direction at allover strain level.This indicates that the hard segment chains are dispersed into the elastomeric phase and without forming spherulite.

Abstract

The polyester-polyetber segmented copolymer has been investigated by rheo-optical FTIR during stretehing for the informastion on strain induced crystallizatinn of soft segment chains

hard and soft chain orientation.At room temperature 15℃

the soft segment chains of polyester-polyether being to crystallize at 220% strain and the degree of crystallixation increa(?)e with draw ratio

both are positive oriented into the stretching direction at allover strain level.This indicates that the hard segment chains are dispersed into the elastomeric phase and without forming spherulite.

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