Synthesis and Properties of a Novel Crosslinkable Poly(aryl ether ketone) Containing Naphthalene Group on a Side Chain

doi:10.7503/cjcu20120334

Abstract

Abstract:

A novel crosslinkable poly(arylene ether ketone)s (PAEK) with naphthalene pendant was prepared from carboxyl-containing PAEK precursor and naphthalenol by graft reaction. The structures of the polymer before and after grafted were confirmed by FTIR and ¹H NMR spectroscopy. These polymers exhibited good solubility in common organic solvents, such as dimethyl sulfoxide(DMSO), N,N-dimethylacetamide (DMAc), tetrahydrofuran (THF) and chloroform, and could be casted into flexible and transparent films. However, after thermally cross-linked at 170℃ for 2 h at air atmosphere, the resulting cross-linked polymer exhibited good chemical resistance, insoluble in above organic solvents. In addition, the cross-linked polymers displayed high thermal stability. The glass transition temperature(T_g) and thermal weight loss temperature were obviously increased respectively.

Key words: Poly(aryl ether ketone)(PAEK), Carboxylic group, Naphthalene, Cross-linking reaction

CLC Number:

O631

TrendMD:

WEI Hong, ZHANG Hai-Bo, JIANG Zhen-Hua. Synthesis and Properties of a Novel Crosslinkable Poly(aryl ether ketone) Containing Naphthalene Group on a Side Chain[J]. Chem. J. Chinese Universities, 2012, 33(11): 2563.

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Synthesis and Properties of a Novel Crosslinkable Poly(aryl ether ketone) Containing Naphthalene Group on a Side Chain

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