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Citation: WANG Honghua, GUAN Xinghua, WANG Zhipeng, ZHOU Guangyuan, LI Cunfeng. Synthesis of Phenolphthalein Poly(ether ketone) with Epoxy Side Group and Its Self-Curing[J]. Chinese Journal of Applied Chemistry, ;2013, 30(8): 974-976. doi: 10.3724/SP.J.1095.2013.20575 shu

Synthesis of Phenolphthalein Poly(ether ketone) with Epoxy Side Group and Its Self-Curing

a. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Key Laboratory of Polymer Ecomaterials, Changchun 130022, China;
b. Changzhou Institute of Energy Storage Materials & Devices, Changzhou 213002, China

Received Date: 10 December 2012
Revised Date: 21 January 2013

A novel cardo poly(aryl ether ketone) bearing pendant epoxy group with controlled content(PEKHE) was prepared,by nucleophilic polycondensation from 3,3-bis(4-hydroxyphenyl) benzo pyrrolone(HPP) with 4,4'-diflorobenzophenone,followed by a substitution reaction with epichlorohydrin(ECH). The content of epoxy side group could be controlled via altering the amount of reactant monomer. Structure and properties were characterized and tested by FTIR,¹H NMR,TGA,etc. Properties of the PEK-HE coating were investigated after self-curing. Thermal stability of the coating layer was obviously improved compared to that before curing,and 5% mass loss temperature was all over 450℃. The layers had excellent thermal and mechanical properties:heat-resistant temperatures were(350 ± 20)℃,the impact strength were all above 100 kg·cm. Thus the PEK-HE was expected for the application of high performance self-curing coating.
- phenolphthalein polyether ketone,
- funtionalized preparation,
- epoxy side group,
- controlled,
- selfcuring,
- high-performance coating
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