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Polymers
Volume 14
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10.3390/polym14050900
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Article

Anionic Polymerization of Para-Diethynylbenzene: Synthesis of a Strictly Linear Polymer

by
Vyacheslav M. Misin
1,
Irina E. Maltseva
1,*,
Alexander A. Maltsev
1,
Alexander V. Naumkin
2,3 and
Mark E. Kazakov
4
1
N.M. Emanuel Institute of Biochemical Physics RAS, 4 Kosygina Street, 119334 Moscow, Russia
2
A.N. Nesmeyanov Institute of Organoelement Compounds RAS, 28 Vavilova Street, 119991 Moscow, Russia
3
A.N. Frumkin Institute of Physical Chemistry and Electrochemistry RAS, 31 bld.4 Leninsky Prospect, 119071 Moscow, Russia
4
SPC UVICOM Ltd., 5 Kolontsova St., 141009 Mytischi, Russia
*
Author to whom correspondence should be addressed.
Polymers 2022, 14(5), 900; https://doi.org/10.3390/polym14050900
Submission received: 30 January 2022 / Revised: 15 February 2022 / Accepted: 19 February 2022 / Published: 24 February 2022
(This article belongs to the Special Issue Polymer Reaction Modeling and Kinetics)
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Abstract

Anionic homo- and copolymerization of p-diethynylbenzene in the presence of n-BuLi in polar solvents was carried out. The use of hexamethylphosphortriamide (HMPA) makes it possible to synthesize a completely linear soluble polymer that does not have branching and phenylene fragments. A copolymer of p-diethynylbenzene with diphenyldiacetylene was synthesized. Homo- and copolymers of p-diethynylbenzene have high thermo- and thermo-oxidative stability. By the interaction of side reactive ethynylphenylene groups with various reagents, it is proposed to synthesize clusters along the conducting chain of poly-p-diethynylbenzene. Due to presenting C≡CH side groups, boron, copper, and cobalt derivatives were synthesized. It is shown that not all theoretically possible stereoisomers can be formed as a result of the polymerization. The application of p-diethynylbenzene polymers for the modification of industrial samples of epoxy novolac resin, oligoester acrylates, and carbon fibers has been demonstrated.
Keywords: poly-p-diethynylbenzene; diphenyldiacetylene; anionic polymerization; n-butyllithium; heat resistance; thermal oxidation stability; stereoisomers; modification poly-p-diethynylbenzene; diphenyldiacetylene; anionic polymerization; n-butyllithium; heat resistance; thermal oxidation stability; stereoisomers; modification
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MDPI and ACS Style

Misin, V.M.; Maltseva, I.E.; Maltsev, A.A.; Naumkin, A.V.; Kazakov, M.E. Anionic Polymerization of Para-Diethynylbenzene: Synthesis of a Strictly Linear Polymer. Polymers 2022, 14, 900. https://doi.org/10.3390/polym14050900

AMA Style

Misin VM, Maltseva IE, Maltsev AA, Naumkin AV, Kazakov ME. Anionic Polymerization of Para-Diethynylbenzene: Synthesis of a Strictly Linear Polymer. Polymers. 2022; 14(5):900. https://doi.org/10.3390/polym14050900

Chicago/Turabian Style

Misin, Vyacheslav M., Irina E. Maltseva, Alexander A. Maltsev, Alexander V. Naumkin, and Mark E. Kazakov. 2022. "Anionic Polymerization of Para-Diethynylbenzene: Synthesis of a Strictly Linear Polymer" Polymers 14, no. 5: 900. https://doi.org/10.3390/polym14050900

APA Style

Misin, V. M., Maltseva, I. E., Maltsev, A. A., Naumkin, A. V., & Kazakov, M. E. (2022). Anionic Polymerization of Para-Diethynylbenzene: Synthesis of a Strictly Linear Polymer. Polymers, 14(5), 900. https://doi.org/10.3390/polym14050900

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