Polymerization of ε‐Caprolactam to Nylon‐6 Catalyzed by Barium σ‐Borane Complex under Mild Condition

Panda, Tarun K and Bhattacharjee, J and Harinath, Adimulam and Sarkar, Alok (2019) Polymerization of ε‐Caprolactam to Nylon‐6 Catalyzed by Barium σ‐Borane Complex under Mild Condition. ChemCatChem. ISSN 1867-3880

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Abstract

A mild and low‐temperature synthesis of nylon‐6 is achieved through the ring‐opening polymerization of ε‐caprolactam using barium σ‐borane complex as the catalyst. Due to the mild nature of the catalyst, this protocol provides an easy means of synthesizing nylon‐6, for the first time with a precise and predictable molecular weight. From various model experiments, it is evident that the σ‐coordinated boron hydride acts as a mild hydride donor in the first step of the reaction to generate lactamate anions, which then undergo ring‐opening polymerization in‐situ with the remaining caprolactam molecules under the influence of the dehydrogenated boron metal complex.

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IITH Creators:	IITH Creators ORCiD Panda, Tarun K http://orcid.org/0000-0003-0975-0118
Item Type:	Article
Subjects:	Chemistry
Divisions:	Department of Chemistry
Depositing User:	Team Library
Date Deposited:	10 Jun 2019 04:17
Last Modified:	10 Jun 2019 04:17
URI:	http://raiithold.iith.ac.in/id/eprint/5449
Publisher URL:	http://doi.org/10.1002/cctc.201900920
Related URLs:	Google Scholar

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