Synthesis and thermal stability of benzimidazole-aromatic imide copolymers
β Scribed by Kurosaki, Toshikazu ;Young, Philip R.
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 2007
- Weight
- 860 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0449-2994
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## Abstract In this study, 3,3β²βdinitrobenzidine was first reacted with excess isophthaloyl chloride to form a monomer with dicarboxylic acid end groups. Two types of aromatic dianhydride, [viz., pyromellitic dianhydride (PMDA) and 3,3β²,4,4β²βsulfonyldiphthalic anhydride (DSDA)] also were reacted wi
Thermostable poly(amide-imide)s containing para-meta benzoic structure were synthesized by reacting a para-meta benzoic polyamide prepolymer with various diisocyanate-terminated polyimide prepolymers. The polyamide prepolymers were prepared by first reacting m-phenylene diamine and isophthaloyl dich