Determination of Monomer Reactivity Ratios in Controlled Copolymerization of Acrylonitrile with Unsaturated Methyl Esters

This paper reports the investigation of copolymerization of acrylonitrile with methyl acrylate, dimethyl maleate, dimethyl fumarate and dimethyl itaconate via atom transfer radical polymerization mechanism using copper bromide as a catalyst in combination with tris(2-pyridylmethyl)amine as a ligand....

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Bibliographic Details
Published in:Polymer science. Series B 2020-05, Vol.62 (3), p.169-175
Main Authors: Stakhi, Sergey A., Grishin, Dmitry F., Grishin, Ivan D.
Format: Article
Language:English
Subjects:
Acrylics
Chemistry
Chemistry and Materials Science
Copolymerization
Copolymers
Copper bromide
Deactivation
Dimethylitaconate
Esters
Monomers
NMR spectroscopy
Polymer Sciences
Polymerization
Reactivity
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Summary:This paper reports the investigation of copolymerization of acrylonitrile with methyl acrylate, dimethyl maleate, dimethyl fumarate and dimethyl itaconate via atom transfer radical polymerization mechanism using copper bromide as a catalyst in combination with tris(2-pyridylmethyl)amine as a ligand. The reactivity ratios of monomers were evaluated using the Finemann–Ross and Kelen–Tudos methods basing on the copolymer composition determined by 1 H NMR spectroscopy. It was found that reversible deactivation mechanism has no significant influence on the monomer reactivity ratios. It was found that among the tested comonomers methyl acrylate and dimethyl itaconate seem to be the most suitable ones for obtaining well-defined copolymers of acrylonitrile.
ISSN:1560-0904
1555-6123
DOI:10.1134/S1560090420030148