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Citation: ZHU Xiu-Ling, JIAN Xi-Gao, WANG Rui-Ling. Synthesis and Properties of Soluble Chloro-Substituted Poly(phthalazinone amide)s[J]. Chinese Journal of Applied Chemistry, ;2002, 19(6): 556-559. shu

Synthesis and Properties of Soluble Chloro-Substituted Poly(phthalazinone amide)s

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

Corresponding author: JIAN Xi-Gao,
Received Date: 8 October 2001
Available Online: 10 February 2002

A novel aromatic diamine 2-(4-aminophenyl)-4-(3-chloro 4 amimo phenoxybenzene)-2,3-phthalazinone-1(1) containing aza hetero-cycle was synthesized from 4-(3-chloro-4-hydroxyphenyl)-2,3-phthalazinone-1(OC-HPPZ) and used to prepare a new class of aromatic polyamides from various arylene dicarboxylic acids using Yamazaki method via direct polycondensation. The structure of diamine monomer and polymers was characterized by MS、FTIR and ¹H NMR. The polyamides obtained had high molecular weight with the inherent viscosity of 0.60~0.76 dL/g, glass transition temperature of 298.6~320.3℃ and 10% mass loss over 447℃ under N₂. The polymers were readily soluble in polar solvents such as NMP、DMF and m-cresol. Clear, tough films can be obtained from their DMAc solution by casting.
- poly(aryl amide),
- phthalazinone,
- heat resistance,
- solubility
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