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Preparation and properties of aromatic–aliphatic copolyamides from aromatic diisocyanates and dicarboxylic acids

✍ Scribed by Toshihiro Otsuki; Masa-Aki Kakimoto; Yoshio Imai

Publisher
John Wiley and Sons
Year
1988
Tongue
English
Weight
461 KB
Volume
26
Category
Article
ISSN
0887-624X

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Preparation and properties of new aromat
Preparation and properties of new aromatic polyamides from 4,4′-diaminotriphenylamine and aromatic dicarboxylic acids
✍ Yoshiyuki Oishi; Hiroko Takado; Masaru Yoneyama; Masa-Aki Kakimoto; Yoshio Imai 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 337 KB

## Abstract New aromatic polyamides (aramids) having inherent viscosities of 0.5–2.6 dL/g were prepared by the direct polycondensation of 4,4′‐diaminotriphenylamine with various aromatic dicarboxylic acids in __N__‐methyl‐2‐pyrrolidone using triphenyl phosphite and pyridine as condensing agents. Th