Synthesis and Characterization of Poly(phthalazinone ether)s Containing Cyano Groups

Chem. J. Chinese Universities

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Synthesis and Characterization of Poly(phthalazinone ether)s Containing Cyano Groups

CHEN He-Guo, WANG Shuan-Jin, XIAO Min, MENG Yue-Zhong

State Key Laboratory of Optoelectronic Materials and Technologies, Institute of Optoelectronic and Functional Composite Materials, Sun Yat-Sen University, Guangzhou 510275, China

Received:2006-07-04 Revised:1900-01-01 Online:2007-03-10 Published:2007-03-10
Contact: WANG Shuan-Jin

Abstract

Abstract: Three kinds of cyano-containing poly(phthalazinone ether)s with high molecular weights were successfully prepared from bisphthalazinone containing cyano groups and different activated dihalide monomers via a N—C coupling reaction. The properties of these polymers were determined by TGA, DSC, GPC, viscosity and solubility tests. TGA results demonstrate that all polymers exhibited an excellent thermal stability with 5% mass loss at T>492 ℃. Poly(phthalazinone ether)s had very high glass transition temperatures(T_g) ranging from 263 to 320 ℃ due to their rigid bisphthalazinone structure. All polymers were soluble in chloroform and polar aprotic solvents such as N,N-dimethylacetamide(DMAc), N,N-dimethylformamide(DMF), N-methyl-2-pyrrolidinone(NMP).

Key words: Cyano group, Poly(phthalazinone)s, Polymers with a high performance

CLC Number:

O631

TrendMD:

CHEN He-Guo, WANG Shuan-Jin, XIAO Min, MENG Yue-Zhong. Synthesis and Characterization of Poly(phthalazinone ether)s Containing Cyano Groups[J]. Chem. J. Chinese Universities, doi: .

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Synthesis and Characterization of Poly(phthalazinone ether)s Containing Cyano Groups

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