Epoxidation of syndiotactic 1,2-polybutadiene with peracids |
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Authors: | M I Abdullin A A Basyrov O S Kukovinets A B Glazyrin G I Khamidullina |
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Institution: | 1. Bashkir State University, ul. Mingazheva 100, Ufa, Bashkortostan, 450078, Russia
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Abstract: | The epoxidation of syndiotactic 1,2-polybutadiene (84 and 16% 1,2 and 1,4 units, respectively) with carboxylic peracids prepared in situ and m-chloroperbenzoic acid was studied. In the course of epoxidation in the presence of carboxylic peracids, oxirane groups are formed only through epoxidation of double bonds in the macromolecular backbone, whereas m-chloroperbenzoic acid is responsible for the chemical modification of 1,2 and 1,4 units of polybutadiene. The basic kinetic parameters of 1,2-polybutadiene epoxidation with peracids of various chemical structures were determined. |
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