Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Benzoxazine Monomers and Polymers Based on 3,3’-Dichloro-4,4’-Diaminodiphenylmethane: Synthesis and Characterization

Version 1 : Received: 22 December 2020 / Approved: 23 December 2020 / Online: 23 December 2020 (15:30:55 CET)

A peer-reviewed article of this Preprint also exists.

Petrakova, V.V.; Kireev, V.V.; Onuchin, D.V.; Sarychev, I.A.; Shutov, V.V.; Kuzmich, A.A.; Bornosuz, N.V.; Gorlov, M.V.; Pavlov, N.V.; Shapagin, A.V.; Khasbiullin, R.R.; Sirotin, I.S. Benzoxazine Monomers and Polymers Based on 3,3′-Dichloro-4,4′-Diaminodiphenylmethane: Synthesis and Characterization. Polymers 2021, 13, 1421. Petrakova, V.V.; Kireev, V.V.; Onuchin, D.V.; Sarychev, I.A.; Shutov, V.V.; Kuzmich, A.A.; Bornosuz, N.V.; Gorlov, M.V.; Pavlov, N.V.; Shapagin, A.V.; Khasbiullin, R.R.; Sirotin, I.S. Benzoxazine Monomers and Polymers Based on 3,3′-Dichloro-4,4′-Diaminodiphenylmethane: Synthesis and Characterization. Polymers 2021, 13, 1421.

Journal reference: Polymers 2021, 13, 1421
DOI: 10.3390/polym13091421

Abstract

As a result of this work, a previously unreported benzoxazine monomer based on 3,3'-dichloro-4,4'-diaminodiphenylmethane was obtained, characterized by 1H and 13C NMR spectroscopy, and its thermal and rheological properties were studied. A comparison between the properties of benzoxazines based on diamines (3,3'-dichloro-4,4'-diaminodiphenylmethane and 4,4’-diaminodimethylmethane). The effect of the reaction medium on the structure of the oligomeric fraction and the overall yield of the main product was studied. The synthesized monomers can be used as thermo- and fire-resistant binders for polymer composite materials, as well as hardeners for epoxy resins.

Subject Areas

benzoxazines; polybenzoxazines; diaminodiphenylmethane; 3,3’-dichloro-4,4’-diaminodiphenylmethane; heterocycles; thermosetting binders

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