Synthesis of block copolymers based on poly(p-benzamide) with a polyamide benzimidazole
โ Scribed by Giuseppina Conio; Aldo Tealdi; Enrico Marsano; Alberto Mariani; Igor Ponomarev
- Book ID
- 107847164
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 236 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0032-3861
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๐ 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 Anilinoโterminated poly(__m__โphenylene isophthalamide) [PhNH(MPDโI)] and benzoyl terminated poly(__p__โbenzamide) [PhCO(PBA)] were coupled according to a oneโpot twoโstep scheme of Yamazaki's reaction. Diblock copolymers with varying length of the flexible PhNH(MPDโI) segment, and simi