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Epoxidized 1,4-polymyrcene

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Abstract

1,4-Polymyrcene was synthesized by anionic polymerization and epoxidized using meta-chloroperbenzoic acid. Samples with different degrees of epoxidation (25%, 49%, 74%, and 98%) were prepared and examined according to their chemical and thermal properties. Epoxidation was found to increase the glass transition temperature (Tg = 14 °C for the 98% epoxidized 1,4-polymyrcene) as well as the shelf live (>10 months). The trisubstituted epoxide groups were remarkably stable against nucleophiles under basic conditions but cross-linked or hydrolyzed in the presence of an acid. Also, highly epoxidized 1,4-polymyrcene readily cross-linked upon annealing at 260 °C to produce an epoxy resin.

Graphical abstract: Epoxidized 1,4-polymyrcene

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Article information


Submitted
25 Nov 2019
Accepted
21 Dec 2019
First published
02 Jan 2020

Polym. Chem., 2020, Advance Article
Article type
Paper

Epoxidized 1,4-polymyrcene

A. Matic, A. Hess, D. Schanzenbach and H. Schlaad, Polym. Chem., 2020, Advance Article , DOI: 10.1039/C9PY01783F

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