Finely divided methylsilsesquioxane particles with SiO4/2 fragments in structure

Results of structural and morphological investigations of methylsilsesquioxane finely divided particles synthesized by hydrolytic co-condensation of in situ alkoxylated methyltrichlorosilane and tetrachlorous silicon are presented. The silica-type hydrophobe particles have been obtained using the ab...

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Main Authors: Pavel A. Averichkin, Yuri B. Andrusov, Igor A. Denisov, Tursunbek B. Klychbaev, Yuri N. Parkhomenko, Natalia A. Smirnova
Format: Article
Language:English
Published: Pensoft Publishers 2016-03-01
Series:Modern Electronic Materials
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2452177916300421
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spelling doaj-55417d3a79d64debb96c130531257f322021-04-02T05:14:05ZengPensoft PublishersModern Electronic Materials2452-17792016-03-0121182210.1016/j.moem.2016.08.002Finely divided methylsilsesquioxane particles with SiO4/2 fragments in structurePavel A. Averichkin0Yuri B. Andrusov1Igor A. Denisov2Tursunbek B. Klychbaev3Yuri N. Parkhomenko4Natalia A. Smirnova5Joint Stock Company «Giredmet», 5-1 B. Tolmachevsky Lane, Moscow 119017, RussiaJoint Stock Company «Giredmet», 5-1 B. Tolmachevsky Lane, Moscow 119017, RussiaJoint Stock Company «Giredmet», 5-1 B. Tolmachevsky Lane, Moscow 119017, RussiaChemical and Metallurgical Holding «Metal», 40 Sovetskaya Str., Bishkek 720055, KyrgyzstanJoint Stock Company «Giredmet», 5-1 B. Tolmachevsky Lane, Moscow 119017, RussiaJoint Stock Company «Giredmet», 5-1 B. Tolmachevsky Lane, Moscow 119017, RussiaResults of structural and morphological investigations of methylsilsesquioxane finely divided particles synthesized by hydrolytic co-condensation of in situ alkoxylated methyltrichlorosilane and tetrachlorous silicon are presented. The silica-type hydrophobe particles have been obtained using the abovementioned method with an output of 98.7–99.4 wt% of the load. These particles have been identified as crystalline formations with a lattice period of 5.5–8.0 nm and an interplane distance of 0.92–1.04 nm in the near order. We show that unlike for well-known crystalline methylsilsesquioxanes, introduction of chemically bonded SiO4/2 fragments to the material structure leads to the formation of 2–3 μm-sized spherical particles from the initial 10–15 nm particles; these particles are responsible for the spherical morphology of the surface. A method of extracting siloxane nanoparticles (2.5–280 nm) from the reaction products has been described, the behavior of particles in suspension has been studied and particle dimensional parameters have been determined using helium−neon 0.6328 nm laser correlation spectroscopy.http://www.sciencedirect.com/science/article/pii/S2452177916300421MethylsilsesquioxanesSilicon-organic compoundsSiloxane particlesHydrolysisSuspensionLaser correlation spectroscopyElectron scanning microscopyCrystalline nanoparticles
collection DOAJ
language English
format Article
sources DOAJ
author Pavel A. Averichkin
Yuri B. Andrusov
Igor A. Denisov
Tursunbek B. Klychbaev
Yuri N. Parkhomenko
Natalia A. Smirnova
spellingShingle Pavel A. Averichkin
Yuri B. Andrusov
Igor A. Denisov
Tursunbek B. Klychbaev
Yuri N. Parkhomenko
Natalia A. Smirnova
Finely divided methylsilsesquioxane particles with SiO4/2 fragments in structure
Modern Electronic Materials
Methylsilsesquioxanes
Silicon-organic compounds
Siloxane particles
Hydrolysis
Suspension
Laser correlation spectroscopy
Electron scanning microscopy
Crystalline nanoparticles
author_facet Pavel A. Averichkin
Yuri B. Andrusov
Igor A. Denisov
Tursunbek B. Klychbaev
Yuri N. Parkhomenko
Natalia A. Smirnova
author_sort Pavel A. Averichkin
title Finely divided methylsilsesquioxane particles with SiO4/2 fragments in structure
title_short Finely divided methylsilsesquioxane particles with SiO4/2 fragments in structure
title_full Finely divided methylsilsesquioxane particles with SiO4/2 fragments in structure
title_fullStr Finely divided methylsilsesquioxane particles with SiO4/2 fragments in structure
title_full_unstemmed Finely divided methylsilsesquioxane particles with SiO4/2 fragments in structure
title_sort finely divided methylsilsesquioxane particles with sio4/2 fragments in structure
publisher Pensoft Publishers
series Modern Electronic Materials
issn 2452-1779
publishDate 2016-03-01
description Results of structural and morphological investigations of methylsilsesquioxane finely divided particles synthesized by hydrolytic co-condensation of in situ alkoxylated methyltrichlorosilane and tetrachlorous silicon are presented. The silica-type hydrophobe particles have been obtained using the abovementioned method with an output of 98.7–99.4 wt% of the load. These particles have been identified as crystalline formations with a lattice period of 5.5–8.0 nm and an interplane distance of 0.92–1.04 nm in the near order. We show that unlike for well-known crystalline methylsilsesquioxanes, introduction of chemically bonded SiO4/2 fragments to the material structure leads to the formation of 2–3 μm-sized spherical particles from the initial 10–15 nm particles; these particles are responsible for the spherical morphology of the surface. A method of extracting siloxane nanoparticles (2.5–280 nm) from the reaction products has been described, the behavior of particles in suspension has been studied and particle dimensional parameters have been determined using helium−neon 0.6328 nm laser correlation spectroscopy.
topic Methylsilsesquioxanes
Silicon-organic compounds
Siloxane particles
Hydrolysis
Suspension
Laser correlation spectroscopy
Electron scanning microscopy
Crystalline nanoparticles
url http://www.sciencedirect.com/science/article/pii/S2452177916300421
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