Reactive and Functional Polymers, volume 164, pages 104932

Low-melting phthalonitrile monomers containing maleimide group: Synthesis, dual-curing behavior, thermal and mechanical properties

Publication typeJournal Article
Publication date2021-07-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor5.1
ISSN13815148
Materials Chemistry
General Chemistry
Biochemistry
General Chemical Engineering
Polymers and Plastics
Environmental Chemistry
Abstract
Abstract Novel dual-functional phthalonitrile monomers containing a maleimide group were synthesized and characterized. Ortho, meta, and para isomers were obtained and only the meta-isomer can be considered as a low melting phthalonitrile monomer with a melting point of 107.4°С. Analysis of the dual-curing behavior of monomers showed radical homopolymerization of maleimides followed by phthalonitrile polymerization with the formation of isoindoline, triazine, and phthalocyanine ring structures. Two alternative copolymerization processes of maleimide groups via ene reaction and ring-opening amidation were investigated. The approach of dual-curing maleimide and phthalonitrile fragments in a single molecule allowed combining the excellent inherent mechanical properties of bismaleimide resins and the outstanding thermo-oxidative stability of phthalonitriles. After curing of both functional groups impact strength was as high as 11.81 kJ m−2, flexural strength was 108 MPa, Young's modulus was 4.38 GPa. On the contrary, Tg of this polymeric system was above 370°С and T5% was higher than 450°С in air.

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Nechausov S. S. et al. Low-melting phthalonitrile monomers containing maleimide group: Synthesis, dual-curing behavior, thermal and mechanical properties // Reactive and Functional Polymers. 2021. Vol. 164. p. 104932.
GOST all authors (up to 50) Copy
Nechausov S. S., Aleksanova A. A., Morozov O. S., Bulgakov B. A., Babkin A., Kepman A., Bulgakov B., Babkin A. Low-melting phthalonitrile monomers containing maleimide group: Synthesis, dual-curing behavior, thermal and mechanical properties // Reactive and Functional Polymers. 2021. Vol. 164. p. 104932.
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RIS Copy
TY - JOUR
DO - 10.1016/j.reactfunctpolym.2021.104932
UR - https://doi.org/10.1016%2Fj.reactfunctpolym.2021.104932
TI - Low-melting phthalonitrile monomers containing maleimide group: Synthesis, dual-curing behavior, thermal and mechanical properties
T2 - Reactive and Functional Polymers
AU - Nechausov, S S
AU - Aleksanova, A A
AU - Morozov, O S
AU - Bulgakov, B A
AU - Babkin, A.V.
AU - Kepman, A.V.
AU - Bulgakov, Boris
AU - Babkin, Alexander
PY - 2021
DA - 2021/07/01 00:00:00
PB - Elsevier
SP - 104932
VL - 164
SN - 1381-5148
ER -
BibTex
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BibTex Copy
@article{2021_Nechausov,
author = {S S Nechausov and A A Aleksanova and O S Morozov and B A Bulgakov and A.V. Babkin and A.V. Kepman and Boris Bulgakov and Alexander Babkin},
title = {Low-melting phthalonitrile monomers containing maleimide group: Synthesis, dual-curing behavior, thermal and mechanical properties},
journal = {Reactive and Functional Polymers},
year = {2021},
volume = {164},
publisher = {Elsevier},
month = {jul},
url = {https://doi.org/10.1016%2Fj.reactfunctpolym.2021.104932},
pages = {104932},
doi = {10.1016/j.reactfunctpolym.2021.104932}
}
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