Coordination radical polymerization of methyl methacrylate, initiated by the azobis(isobutyronitrile)–tri-n-butylborane binary system
- Autores: Dodonov V.A.1, Starostina T.I.1, Kuropatov V.A.1,2, Malysheva Y.B.1, Kuznetsova Y.L.1, Buzina A.S.1
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Afiliações:
- Lobachesvky National Research State University
- Razuvaev Institute of Organometallic Chemistry
- Edição: Volume 90, Nº 1 (2017)
- Páginas: 77-83
- Seção: Macromolecular Compounds and Polymeric Materials
- URL: https://journals.rcsi.science/1070-4272/article/view/214652
- DOI: https://doi.org/10.1134/S1070427217010128
- ID: 214652
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Resumo
A procedure for coordination radical polymerization of methyl methacrylate in the bulk, initiated by the azobis(isobutyronitrile)–tri-n-butylborane binary system at 60°С, was developed. Butyl radicals participating in the initiation step were detected by EPR. These radicals are generated by complexation of cyanoisopropyl radicals with trialkylborane. The radical at the boron atom transforms from the C-centered to N-centered structure with the subsequent SR2 reaction and fast generation of n-butyl radicals. As found by NMR and confirmed by kinetic studies, the tri-n-butylborane–initiator–monomer system stimulates generation of propagating poly(methyl methacrylate) radicals.
Sobre autores
V. Dodonov
Lobachesvky National Research State University
Autor responsável pela correspondência
Email: vadodonov@gmail.com
Rússia, pr. Gagarina 23, Nizhny Novgorod, 603022
T. Starostina
Lobachesvky National Research State University
Email: vadodonov@gmail.com
Rússia, pr. Gagarina 23, Nizhny Novgorod, 603022
V. Kuropatov
Lobachesvky National Research State University; Razuvaev Institute of Organometallic Chemistry
Email: vadodonov@gmail.com
Rússia, pr. Gagarina 23, Nizhny Novgorod, 603022; ul. Tropinina 49, Nizhny Novgorod, 603137
Yu. Malysheva
Lobachesvky National Research State University
Email: vadodonov@gmail.com
Rússia, pr. Gagarina 23, Nizhny Novgorod, 603022
Yu. Kuznetsova
Lobachesvky National Research State University
Email: vadodonov@gmail.com
Rússia, pr. Gagarina 23, Nizhny Novgorod, 603022
A. Buzina
Lobachesvky National Research State University
Email: vadodonov@gmail.com
Rússia, pr. Gagarina 23, Nizhny Novgorod, 603022
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