## Abstract A novel monomer diacid, 6,6β²βmethylenebis(2βoxoβ2__H__βchromeneβ3βcarboxylic acid), was synthesized and used in a direct polycondensation reaction with various aromatic diamines in __N__βmethylβ2βpyrrolidone solution containing dissolved LiCl and CaCl~2~, using triphenyl phosphite and p
β¦ LIBER β¦
Synthesis and properties of novel poly(benzimidazopyrrolone amide)s containing pyridine moieties
β Scribed by Xiaolong Wang; Yanfeng Li; Chenliang Gong; Tao Ma; Shujiang Zhang
- Publisher
- John Wiley and Sons
- Year
- 2008
- Tongue
- English
- Weight
- 122 KB
- Volume
- 109
- Category
- Article
- ISSN
- 0021-8995
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