The rigidity of poly-p-benzamide molecules
β Scribed by N.V. Pogodina; I.N. Bogatova; V.N. Tsvetkov
- Book ID
- 116047600
- Publisher
- Elsevier Science
- Year
- 1985
- Weight
- 406 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0032-3950
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π SIMILAR VOLUMES
Copolymers were prepared by the condensation of rigid benzoyl-terminated poly@-benzamide) and flexible anilino-terminated poly(m-benzamide) prepolymers. The use of two monomers of the AB type and of end-capped prepolymers resulted in the formation of diblock molecules uncontaminated by triblock or m
## Abstract Anilinoβterminated poly(__m__βphenylene isophthalamide) [PhNH(MPDβI)] and benzoyl terminated poly(__p__βbenzamide) [PhCO(PBA)] were coupled according to a oneβpot twoβstep scheme of Yamazaki's reaction. Diblock copolymers with varying length of the flexible PhNH(MPDβI) segment, and simi