The effect of addition of low-layer graphene nanoparticles on structure and mechanical properties of polyurethane-based block copolymers

Gorbunova, M.; Komratova, V.; Grishchuk, A.; Badamshina, E.; Anokhin, D.

Информация о цитировании статьи получена из Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 мая 2022 г.

Авторы: Gorbunova Marina, Komratova Viktoria, Grishchuk Alexander, Badamshina Elmira, Anokhin Denis
Журнал: Polymer Bulletin
Том: 76
Номер: 11
Год издания: 2019
Издательство: Springer Verlag
Местоположение издательства: Germany
Первая страница: 5813
Последняя страница: 5829
DOI: 10.1007/s00289-018-02673-z
Аннотация: The effect of low-layer graphene nanoparticles (LLGNP) at concentration from 0.002 to 0.1 wt.% on physical–mechanical and structural parameters of multi-block polyurethanes based on oligodiethyleneglycol adipinate, 2,4-toluylene diisocyanate and 1,6-hexamethylene diisocyanate mixture and bifunctional chain elongation agents, 2-aminoethanol and 1,4-butanediol has been studied. Three methods for LLGNP addition in polymer were compared: (1) in a reaction mixture at the polymer synthesis on a macrodiisocyantate formation step (in situ 1 method); (2) in the polymer solution at a final reaction step (in situ 2 method); and (3) in polymer melt (ex situ). It has been shown that using of the in situ 2 method provides an increase in Young’s modulus of the nanocomposites. For ex situ method, a significant increase in tensile strength of the material with growth of LLGNP concentration was detected.
Добавил в систему: Горбунова Марина Александровна

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The effect of addition of low-layer graphene nanoparticles on structure and mechanical properties of polyurethane-based block copolymersстатья

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