Synthesis of Long‐Chain Polyamides via Main‐Chain Modification of Polyethyleneketones

Author:

Lu Yipu1ORCID,Takahashi Kohei1ORCID,Zhou Jian2,Nontarin Roopsung2,Nakagawa Shintaro2ORCID,Yoshie Naoko2ORCID,Nozaki Kyoko1ORCID

Affiliation:

1. Department of Chemistry and Biotechnology Graduate School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan

2. Institute of Industrial Science The University of Tokyo 4-6-1 Komaba Meguro-ku Tokyo 153-8505 Japan

Abstract

AbstractLong‐chain polyamides (polyethyleneamides) were prepared from polyethylenes bearing in‐chain carbonyl groups (polyethyleneketones) by the oxime formation and successive Beckmann rearrangement. (Diethylamino)sulfur trifluoride (DAST) was utilized as a promoter, which allowed mild conversion of the oxime group in spite of low solubility of the polymers. The polyethyleneamide exhibited different tensile property compared to a commercial HDPE.

Publisher

Wiley

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