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COLLOID-CHEMICAL PROPERTIES OF SILICONE SURFACTANTS USED IN THE SYNTHESIS OF POLYSTYRENE LATEXES

https://doi.org/10.32362/2410-6593-2016-11-4-56-62

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Abstract

The synthesis of polymeric suspensions with a narrow particle size distribution is an urgent problem in modern science. The resulting polymeric microspheres are applicable in various fields of chemistry, pharmaceuticals, biology and medicine. In particular, they can be used as carriers of bioligands to create diagnostic test systems. This article presents the results of a study on the colloid-chemical characteristics of water-insoluble fluorinated silicone surfactants and kinetics of the polymerization process in their presence. The results were compared with data from studies on the properties of surfactants of similar structure not containing fluorine atoms in their structure. Studying these substances’ rheology enabled to determine the most suitable surfactants for adsorption forming a strong interfacial layer during the formation of polymermonomer particles during the polymerisation. The ability of fluorinated silicone surfactants to form a stable polymeric slurry was proved during heterophase polymerization of vinyl monomers. The resulting polymeric suspensions were characterized by a narrow particle size distribution and high aggregative stability during the synthesis and in storage.

About the Authors

I. A. Gritskova
Moscow Technological University (Institute of Fine Chemical Technologies)
Russian Federation
Moscow, 119571 Russia


A. A. Amelichev
Moscow Technological University (Institute of Fine Chemical Technologies)
Russian Federation
Moscow, 119571 Russia


O. A. Satskevich
Peoples’ Friendship University of Russia
Russian Federation
Moscow, 119571 Russia


A. V. Shkolnikov
Moscow Technological University (Institute of Fine Chemical Technologies)
Russian Federation
Moscow, 119571 Russia


A. A. Ezhova
Moscow Technological University (Institute of Fine Chemical Technologies)
Russian Federation
Moscow, 119571 Russia


G. A. Simakova
Moscow Technological University (Institute of Fine Chemical Technologies)
Russian Federation
Moscow, 119571 Russia


V. A. Vasnyov
Nesmeyanov Institute of Organometallic Compounds RAS (INEOS)
Russian Federation
Moscow, 119991 Russia


N. A. Lobanova
Moscow Technological University (Institute of Fine Chemical Technologies)
Russian Federation
Moscow, 119571 Russia


B. A. Izmaylov
Nesmeyanov Institute of Organometallic Compounds RAS (INEOS)
Russian Federation
Moscow, 119991 Russia


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For citation:


Gritskova I.A., Amelichev A.A., Satskevich O.A., Shkolnikov A.V., Ezhova A.A., Simakova G.A., Vasnyov V.A., Lobanova N.A., Izmaylov B.A. COLLOID-CHEMICAL PROPERTIES OF SILICONE SURFACTANTS USED IN THE SYNTHESIS OF POLYSTYRENE LATEXES. Fine Chemical Technologies. 2016;11(4):56-62. https://doi.org/10.32362/2410-6593-2016-11-4-56-62

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ISSN 2410-6593 (Print)
ISSN 2686-7575 (Online)