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Citation: WANG Zhipeng, WANG Feifei, WANG Honghua, ZHOU Guangyuan. Preparation and Characterization of Poly(aryl ether ketone) Containing Bisphenol A and Benzimidazolone[J]. Chinese Journal of Applied Chemistry, ;2015, 32(5): 504-509. doi: 10.11944/j.issn.1000-0518.2015.05.140330 shu

Preparation and Characterization of Poly(aryl ether ketone) Containing Bisphenol A and Benzimidazolone

1.
a Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China;
2.
b University of Chinese Academy of Sciences, Beijing 100049, China

Corresponding author: ZHOU Guangyuan,
Received Date: 24 September 2014
Available Online: 28 January 2015
Fund Project: 吉林省科技发展计划基金(20130204029GX)资助项目 (20130204029GX)

A series of random copolymers of poly(aryl ether ketone) was prepared by copolymerization of bisphenol A,4,4'-difluorobenzophenone and benzimidazolone(BPA-DFK-HBI).High relative molecular mass copolymers were prepared via the nucleophilic polycondensation and C-N coupling polycondensation.The structure of the copolymers was characterized by FTIR and ¹H NMR.The heat resistant properties of the copolymers were studied by DSC and TGA.As the feed ratio of benzimidazolone and bisphenol A increases,the solvent resistance properties of copolymers are improved in polar solvents such as DMF and THF.The thermal stability is enhanced,and the T_g is significantly increased to as high as 236℃.It is difficult to obtain high relative molecular mass polymer when the molar ratio of benzimidazolone and bisphenol A is higher than 7:3 because precipitation occurs in the early stage of the reaction due to the poor solubility of copolymers.
- poly(aryl ether ketone),
- benzimidazolone,
- bisphenol A,
- copolymer,
- special engineering plastics
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