Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
Letter
Insertion Metathesis Depolymerization of Aromatic Disulfide-containing Dynamic Covalent Polymers under Weak Intensity Photoirradiation
Tomoyuki OhishiYoko IkiKeiichi ImatoYuji HigakiAtsushi TakaharaHideyuki Otsuka
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Volume 42 (2013) Issue 11 Pages 1346-1348

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Abstract

Aromatic disulfide bonds become dynamic in a radical process under weak intensity photoirradiation and can undergo metathesis. Aryl disulfide-containing dynamic covalent polyurethanes were prepared by the polyaddition of disulfide-containing diol and diisocyanate compounds. To determine the dynamic nature of the aryl disulfide-containing polymers, insertion metathesis depolymerization was performed under weak intensity photoirradiation at room temperature. The molecular weights of the dynamic covalent polymers decreased as the irradiation time increased.

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© 2013 The Chemical Society of Japan
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