The model reaction between phthalic anhydride and 1,2-diaminobenzene was studied under conditions analogous to those of the low-temperature polycondensation of aromatic dianhydrides with bis(o-diamines) in amide solvents followed by thermal cyclodehydration in condensed state to form ladder polyimid
โฆ LIBER โฆ
Notes- Syntheses of N-Vinyl-secondary-amic Acids
โ Scribed by Yanagi, Kiyoshi; Aso, Chuji; Akiyoshi, Saburo
- Book ID
- 125901292
- Publisher
- American Chemical Society
- Year
- 1959
- Tongue
- English
- Weight
- 262 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0022-3263
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To improve the transparency, flexibility, and solubility of polyimide, and to fabricate a negative working photoresist, polyamic acid, polyurea, and poly(amic acidco-urea) in various contents were synthesized. Photosensitive diazoresin was synthesized and was used as the photocrosslinking agent. Cha