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Citation: CHEN Lian-Zhou, ZHU Xiu-Ling, JIAN Xi-Gao. Synthesis and Properties of Poly(aryl ether)s Containing o-substituted-phenyl Phthalazinone Moieties[J]. Chinese Journal of Applied Chemistry, ;2002, 19(3): 239-242. shu

Synthesis and Properties of Poly(aryl ether)s Containing o-substituted-phenyl Phthalazinone Moieties

1.
Department of Polymer Science & Materials, Dalian University of Technology, Dalian 116012

Corresponding author: JIAN Xi-Gao,
Received Date: 19 June 2001
Available Online: 14 December 2001
Fund Project: 国家自然科学基金资助项目(59473019) (59473019)

A series of novel poly(aryl ether)s:poly(ether sulfone)(PPES), poly(ether ketone)(PPEK) and their copolymer poly(ether sulfone ketone)(PPESK) were synthesized at high temperature by nucleophilic polycondensation of bisphenol 4-(3-phenyl 4-hydroxyphenyl)-2,3-phthalazin-1-one(OP-DHPZ) with activated difluorodiphenylketone, dichlorodiphenylsulfone and both together. The (CO) polymers obtained have inherent viscosity of 0.20~0.70 dL/g and glass transition temperature (by DSC) in 250~264℃. These polymers have good thermooxidative stability with 5% mass loss temperature of 442~491℃ in air. They are readily soluble in chloroform, dimethylacetamide, pyridine etc and can be cast into transparent, tough films. The FT-IR and ¹H NMR data were recorded.
- poly(aryl ether),
- phthalazinone,
- heat-resistance,
- solubility
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