Studies on the Rigid-Rigid Block Copolymers(Ⅰ)——The Structure and Properties of PEEK-PES Block Copolymers

Chem. J. Chinese Universities ›› 1992, Vol. 13 ›› Issue (10): 1327.

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Studies on the Rigid-Rigid Block Copolymers(Ⅰ)——The Structure and Properties of PEEK-PES Block Copolymers

CAO Jun-Kui, SU Wen-Cheng, PIAO Ming-Jun, LIU Xin-Yu, WU Zhong-Wen

Department of Chemistry, Jilin University, Changchun, 130023

Received:1991-11-12 Revised:1992-05-27 Online:1992-10-24 Published:1992-10-24

Abstract

Abstract: A series of block copolymers of polyetheretherketone (PEEK) and polyethersuifone (PES) were prepared by polycondensation of two oligomers.Some properties of the copolymers were investigated by DSC,TGA,WAXD,and dynamic viscoelastic measurement.The results show that for the copolymers in this study no phase separation is observed.The copolymers are crystalline polymers similar to PEEK,moreover T_g of a copolymer is about 20℃higher than that of PEEK,and they also have a better high temperature mechanical property.

Key words: PEEK-PES block copolymers, Compatibility, Crystallization behaviour, Thermal property

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CAO Jun-Kui, SU Wen-Cheng, PIAO Ming-Jun, LIU Xin-Yu, WU Zhong-Wen . Studies on the Rigid-Rigid Block Copolymers(Ⅰ)——The Structure and Properties of PEEK-PES Block Copolymers[J]. Chem. J. Chinese Universities, 1992, 13(10): 1327.

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Studies on the Rigid-Rigid Block Copolymers(Ⅰ)——The Structure and Properties of PEEK-PES Block Copolymers

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