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

doi:10.3724/SP.J.1095.2013.20575

Chinese Journal of Applied Chemistry

• Communications • Previous Articles

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

WANG Honghua¹, GUAN Xinghua¹, WANG Zhipeng¹, ZHOU Guangyuan^1,2*, LI Cunfeng²

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

Received:2012-12-10 Revised:2013-01-21 Published:2013-08-10 Online:2013-08-10

Abstract

Abstract: A novel cardo poly(aryl ether ketone) bearing pendant epoxy group with controlled content(PEK-HE) 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.

Key words: phenolphthalein polyether ketone, funtionalized preparation, epoxy side group, controlled, self-curing, high-performance coating

CLC Number:

O631.5

WANG Honghua1, GUAN Xinghua1, WANG Zhipeng1, ZHOU Guangyuan1,2*, LI Cunfeng2. Synthesis of Phenolphthalein Poly(ether ketone) with Epoxy Side Group and Its Self-Curing[J]. Chinese Journal of Applied Chemistry, DOI: 10.3724/SP.J.1095.2013.20575.

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

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