Synthesis and characterization of phenylated poly(phenylquinoxaline)s

被引：7
|
作者：
Joshi, MD [1 ]
Lonikar, SV [1 ]
Maldar, NN [1 ]
Wadgaonkar, PP [1 ]
机构：
[1] NCL,DIV POLYMER CHEM,PUNE 8,MAHARASHTRA,INDIA
来源：
JOURNAL OF MACROMOLECULAR SCIENCE-PURE AND APPLIED CHEMISTRY | 1997年 / A34卷 / 06期
关键词：
D O I：
10.1080/10601329708015011
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A new his (phenyl-alpha-dicarbonyl) monomer 2, 5-bis- (4-phenyl glyoxaloyl)-3, 4-diphenylyl thiophene (II) was synthesised and characterised by mass, NMR and IR spectroscopy. A series of poly (phenylquinoxaline)s PPQs was prepared by solution polycondensation of 3-3' diamino-benzidine (DAB) with II and 4-4' oxidibenzil. All these PPQs were obtained in quantitative yields; had reduced viscosity in the range of 0.79 - 0.96 dL/g and were readily soluble in cresol and halogenated hydrocarbons. They showed film forming properties, had no weight loss below 556 degrees C and retain more than 60% weight at 900 degrees C when investigated for TGA under nitrogen atmosphere.
引用
收藏
页码：1077 / 1083
页数：7
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