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Synthesis and Properties of Polyarylester/Dihy Droxy Diphenyl Cycloalkane Copolymers

ZHOU Li-yun,XIE Ming-long,ZHAN Mei-dong,WANG Rong,SONG Cheng*(College of Chemistry and Chemical Engineering,Jiangxi Normal University,Nanchang Jiangxi 330022,China)  
An improved process of synthesis of 1,1-bis-(4'-hydroxyphenyl)-cyclohexane(BHPC) from cyclohexanone and phenol has been reported in this paper.A novel BHPC-polyarlester(PAR-C) were synthesized by means of interfacial polycodensation of BHPC,terephthaloyl chloride(TPC) and isophthaloyl chloride(IPC),which was catalyzed by the phase transfer catalyst.The copolymers were characterized by fourier transform infrared spectrophotometer(FT-IR),hydrogen nuclear magnetic resonance(H1 NMR),thermal gravimetric analysis(TGA) and differential scanning calorimetry(DSC).The results showed that the glass transition temperature(Tg) of the copolymers is 215.2 ℃ and the decomposition temperature(Td) at 5 % weight loss is 480.4 ℃ and ηinh is 0.69.The PAR-C showed excellent thermal behavior,high light transmittance and the ultraviolet shielding performance.
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