SYNTHESIS AND CHARACTERIZATION OF SULFONATED POLY(PHTHALAZINONE ETHER NITRILE KETONE)S FOR PROTON EXCHANGE MEMBRANE

WANG Guoqing; ZHU Xiuling; ZHANG Shouhai; LIANG Yongfang; JIAN Xigao

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SYNTHESIS AND CHARACTERIZATION OF SULFONATED POLY(PHTHALAZINONE ETHER NITRILE KETONE)S FOR PROTON EXCHANGE MEMBRANE

Research Article | 更新时间：2021-03-19

- SYNTHESIS AND CHARACTERIZATION OF SULFONATED POLY(PHTHALAZINONE ETHER NITRILE KETONE)S FOR PROTON EXCHANGE MEMBRANE
- Acta Polymerica Sinica Issue 2, Pages: 209-212(2006)
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- Published：20 April 2006，
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WANG Guoqing, ZHU Xiuling, ZHANG Shouhai, LIANG Yongfang, JIAN Xigao. SYNTHESIS AND CHARACTERIZATION OF SULFONATED POLY(PHTHALAZINONE ETHER NITRILE KETONE)S FOR PROTON EXCHANGE MEMBRANE. [J]. Acta Polymerica Sinica (2):209-212(2006)
DOI：

WANG Guoqing, ZHU Xiuling, ZHANG Shouhai, LIANG Yongfang, JIAN Xigao. SYNTHESIS AND CHARACTERIZATION OF SULFONATED POLY(PHTHALAZINONE ETHER NITRILE KETONE)S FOR PROTON EXCHANGE MEMBRANE. [J]. Acta Polymerica Sinica (2):209-212(2006) DOI：

摘要

用含二氮杂萘酮结构类双酚DHPZ

3′-二磺酸钠基-4

4′-二氟二苯酮

6-二氯苯腈以及4

4′-二氟二苯酮

通过缩合共聚合反应合成了一系列不同磺化度、高分子量的磺化聚芳醚腈酮.聚合物特性粘数为0·58～2·0dL/g.用红外光谱(FT-IR)

核磁共振谱(1H-NMR)表征了聚合物结构.用差示扫描量热仪(DSC)和热重分析仪(TGA)研究了聚合物的耐热性能

研究表明其玻璃化温度(Tg)可达352℃

5%热失重温度大于500℃.以N-甲基吡咯烷酮为溶剂

溶液浇铸法制备了聚合物膜

并测定了膜的溶胀率以及质子交换能力.结果表明

与Nafion膜相比

磺化聚芳醚腈酮膜在相同的质子交换能力条件下

溶胀率显著降低.

Abstract

Sulfonated poly(phthalazinone ether nitrile ketone)s(SPPENK)with pendent sulfonate groups were synthesized by direct polycondensation from 4-(4-hydroxyphenyl)-1(2H)-phthalazinone(DHPZ)

disodium 3

3'-disulfonate-4．4’-difluorobenzophenpne (SDFB)

4’-difluorobenzophenone (DFB)and 2

6-dicholobenzene (DCBN)．The intrinsic viseosity of SPPENK was in the range of 0．58～2．0 dL／g．FT—IR

1H—NMR and wide—X—ray scattering were used to characterize the structures of the eopolymers．The thermo—stability of the eopolymers was detected bv DSC and TGA．Tough films were cast successfully from N—methylpyrrolidone solutions．The ion exchange capacity (IEC) values were 0．91～2．06 meq·g-1．The swelling ratios of resulted membranes were 9％～21％

which is much lower than those of Nafionll35 and other reported sulfonated poly(aryl ether ketone)8 and poly(aryl ether sulfone)s membranes with the same ion exchange eapacity．

关键词

二氮杂萘联苯酮直接缩合聚合聚芳醚腈酮质子交换膜磺化

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