Synthesis and Properties of Sulfonated Poly(phthalazinone ether ketone ketone)s Containing Pendant Phenyl Groups

doi:10.7503/cjcu20130210

Chem. J. Chinese Universities ›› 2013, Vol. 34 ›› Issue (8): 1993.doi: 10.7503/cjcu20130210

• Polymer Chemistry • Previous Articles Next Articles

Synthesis and Properties of Sulfonated Poly(phthalazinone ether ketone ketone)s Containing Pendant Phenyl Groups

ZHANG Shou-Hai, JIANG Yi-Wen, CHEN Li-Yun, JIAN Xi-Gao

College of Chemical Engineering, Dalian University of Technology, Liaoning High Performance Polymer Engineering Research Center, Liaoning Key Laboratory of Polymer Science and Engineering, Dalian 116024, China

Received:2013-03-08 Online:2013-08-10 Published:2013-07-19
Contact: ZHANG Shou-Hai E-mail:zhangshh@dlut.edu.cn;jian4616@dl.cn

Abstract

Abstract:

Poly(phthalazinone ether ketone ketone)s with pendant phenyl groups(PPEKK-P) were synthesized via high temperature polycondensation from 4-(4-hydroxyphenyl)-2,3-phthalazin-1-ketone, 4-(3-phenyl-4-hydroxyphenyl)-2,3-phthalazin-1-ketone and 1,4-bi(4-fluorobenzoyl)benzene(BFBB). A series of sulfonated poly(phthalazinone ether ketone ketone)s containing pendant phenyl groups(SPPEKK-P) was prepared from PPEKK-P with concentrated sulfuric acid as the sulfonating agent. The chemical structures of PPEKK-P and SPPEKK-P were characterized by FTIR and ¹H NMR. SPPEKK-Ps proton exchange membranes were obtained by solution casting method. Water uptake, swelling ratio and proton conductivities of SPPEKK-Ps membranes increased with the increase of ion exchange capacity. The membranes exhibited good oxidative stability. The methanol permeability values of SPPEKK-Ps membranes were much lower than that of Nafion117 membrane. The proton conductivity of SPPEKK-P-100 membrane reached 7.44×10^-2 S/cm at 95℃.

Key words: Sulfonation, Phthalazinone, Poly(ether ketone ketone), Proton exchange membrane

CLC Number:

O631

TrendMD:

ZHANG Shou-Hai, JIANG Yi-Wen, CHEN Li-Yun, JIAN Xi-Gao. Synthesis and Properties of Sulfonated Poly(phthalazinone ether ketone ketone)s Containing Pendant Phenyl Groups[J]. Chem. J. Chinese Universities, 2013, 34(8): 1993.

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Synthesis and Properties of Sulfonated Poly(phthalazinone ether ketone ketone)s Containing Pendant Phenyl Groups

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