THERMAL ANALYSIS AND STRUCTURE STUDIES ON THE BLENDS OF LIQUID CRYSTALLINE COPOLYESTERS AND PET, PBT

XIE Ping; LU Daohui

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THERMAL ANALYSIS AND STRUCTURE STUDIES ON THE BLENDS OF LIQUID CRYSTALLINE COPOLYESTERS AND PET, PBT

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- THERMAL ANALYSIS AND STRUCTURE STUDIES ON THE BLENDS OF LIQUID CRYSTALLINE COPOLYESTERS AND PET, PBT
- Vol. 5, Issue 1, Pages: 61-65(1987)
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- Published：20 March 1987
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XIE Ping, LU Daohui. THERMAL ANALYSIS AND STRUCTURE STUDIES ON THE BLENDS OF LIQUID CRYSTALLINE COPOLYESTERS AND PET, PBT[J]. 1987, 5(1): 61-65.
DOI：

XIE Ping, LU Daohui. THERMAL ANALYSIS AND STRUCTURE STUDIES ON THE BLENDS OF LIQUID CRYSTALLINE COPOLYESTERS AND PET, PBT[J]. 1987, 5(1): 61-65. DOI：

摘要

The apparent uniform blends of liquid crystalline aromatic copolyesters and semiflexible polyesters PET or PBT were obtained by mechanical mixing in the molten state within certain range of composition.The effects of blending with liquid crystalline components on the structure of homopolyester matrix were examined by thermal analysis and X-ray diffraction. These results suggest that the LC component in the blend may possibly be acting as a nucleating agent

or it may induce axial orientation of molecules promoting the local ordering of matrix.For the blends of PET

these influences mainly display in narrowing the width of cold crystalline peak and enhancing the main peak of x-ray diffraction;and for the blends of PBT

the pre-melting crystalline peak was enhanced.

Abstract

or it may induce axial orientation of molecules promoting the local ordering of matrix.For the blends of PET

these influences mainly display in narrowing the width of cold crystalline peak and enhancing the main peak of x-ray diffraction;and for the blends of PBT

the pre-melting crystalline peak was enhanced.

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