Influence of the Filler Particles’ Surface Morphology on the Polyurethane Matrix’s Structure Formation in the Composite

This article presents the surface morphology effect of silicon carbide (SiC) particles on the polyurethane binder’s structure formation in a dispersed-filled composite. The difference in the morphology and surface relief of filler particles was ensured by the implementation of plasma chemical modifi...

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Autores principales:	Taisiya A. Shalygina, Mikhail S. Rudenko, Ivan V. Nemtsev, Vladimir A. Parfenov, Svetlana Y. Voronina, Igor D. Simonov-Emelyanov, Polina E. Borisova
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	polyurethane surface morphology nanoparticles nanowires core-shell molecular mobility Organic chemistry QD241-441
Acceso en línea:	https://doaj.org/article/e8060286db3743ba914e5ddc4779d5f6
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spelling	oai:doaj.org-article:e8060286db3743ba914e5ddc4779d5f62021-11-25T18:47:45ZInfluence of the Filler Particles’ Surface Morphology on the Polyurethane Matrix’s Structure Formation in the Composite10.3390/polym132238642073-4360https://doaj.org/article/e8060286db3743ba914e5ddc4779d5f62021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4360/13/22/3864https://doaj.org/toc/2073-4360This article presents the surface morphology effect of silicon carbide (SiC) particles on the polyurethane binder’s structure formation in a dispersed-filled composite. The difference in the morphology and surface relief of filler particles was ensured by the implementation of plasma chemical modification. As a result of this modification, the filler consisted of core-shell particles characterized by a SiC core and a carbon shell (SiC@C), as well as a carbon shell decorated with silicon nanoparticles (SiC@C/SiNP) or nanos (SiC@C/SiNW). The study of the relaxation properties of polyurethane composites has shown that the strongest limiting effect on the molecular mobility of boundary layer’s chain segments is exerted by a highly developed surface with a complex relief of SiC@C/SiNP and SiC@C/SiNW particles. An empirical method was proposed to find the polymer fractions spent on the formation of the boundary, transition and bulk layers of the polymer matrix in the composite. It was shown that the morphology of the filler particles’ surface does not affect the dependence of the boundary layer thickness on the filler’s volume fraction. However, with an increase in the degree of surface development, the boundary layer thickness decreases.Taisiya A. ShalyginaMikhail S. RudenkoIvan V. NemtsevVladimir A. ParfenovSvetlana Y. VoroninaIgor D. Simonov-EmelyanovPolina E. BorisovaMDPI AGarticlepolyurethanesurface morphologynanoparticlesnanowirescore-shellmolecular mobilityOrganic chemistryQD241-441ENPolymers, Vol 13, Iss 3864, p 3864 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	polyurethane surface morphology nanoparticles nanowires core-shell molecular mobility Organic chemistry QD241-441
spellingShingle	polyurethane surface morphology nanoparticles nanowires core-shell molecular mobility Organic chemistry QD241-441 Taisiya A. Shalygina Mikhail S. Rudenko Ivan V. Nemtsev Vladimir A. Parfenov Svetlana Y. Voronina Igor D. Simonov-Emelyanov Polina E. Borisova Influence of the Filler Particles’ Surface Morphology on the Polyurethane Matrix’s Structure Formation in the Composite
description	This article presents the surface morphology effect of silicon carbide (SiC) particles on the polyurethane binder’s structure formation in a dispersed-filled composite. The difference in the morphology and surface relief of filler particles was ensured by the implementation of plasma chemical modification. As a result of this modification, the filler consisted of core-shell particles characterized by a SiC core and a carbon shell (SiC@C), as well as a carbon shell decorated with silicon nanoparticles (SiC@C/SiNP) or nanos (SiC@C/SiNW). The study of the relaxation properties of polyurethane composites has shown that the strongest limiting effect on the molecular mobility of boundary layer’s chain segments is exerted by a highly developed surface with a complex relief of SiC@C/SiNP and SiC@C/SiNW particles. An empirical method was proposed to find the polymer fractions spent on the formation of the boundary, transition and bulk layers of the polymer matrix in the composite. It was shown that the morphology of the filler particles’ surface does not affect the dependence of the boundary layer thickness on the filler’s volume fraction. However, with an increase in the degree of surface development, the boundary layer thickness decreases.
format	article
author	Taisiya A. Shalygina Mikhail S. Rudenko Ivan V. Nemtsev Vladimir A. Parfenov Svetlana Y. Voronina Igor D. Simonov-Emelyanov Polina E. Borisova
author_facet	Taisiya A. Shalygina Mikhail S. Rudenko Ivan V. Nemtsev Vladimir A. Parfenov Svetlana Y. Voronina Igor D. Simonov-Emelyanov Polina E. Borisova
author_sort	Taisiya A. Shalygina
title	Influence of the Filler Particles’ Surface Morphology on the Polyurethane Matrix’s Structure Formation in the Composite
title_short	Influence of the Filler Particles’ Surface Morphology on the Polyurethane Matrix’s Structure Formation in the Composite
title_full	Influence of the Filler Particles’ Surface Morphology on the Polyurethane Matrix’s Structure Formation in the Composite
title_fullStr	Influence of the Filler Particles’ Surface Morphology on the Polyurethane Matrix’s Structure Formation in the Composite
title_full_unstemmed	Influence of the Filler Particles’ Surface Morphology on the Polyurethane Matrix’s Structure Formation in the Composite
title_sort	influence of the filler particles’ surface morphology on the polyurethane matrix’s structure formation in the composite
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/e8060286db3743ba914e5ddc4779d5f6
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Influence of the Filler Particles’ Surface Morphology on the Polyurethane Matrix’s Structure Formation in the Composite

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