24 Result(s)
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Article
M. A. Vaniev
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Article
Low Flammability Polymers Based on Phosphorus-Containing Methacrylates
To reduce the flammability of polymers, functional flame retardants have become widespread, among which phosphorus-containing methacrylates occupy a special place. Despite the well-developed issues of their sy...
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Elastomers Based on Nitrile Butadiene Rubber Stabilized with N-Aryl-substituted Camphan-2 and Fenchan-2-amines
For the first time, it was proposed to use aniline derivatives with a skeleton monoterpene fragment at the nitrogen atom (N-(het)aryl-substituted camphan-2-amines and N-aryl-substituted fenchan-2-amines) as antio...
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Casting Compositions Based on Phosphorus-Containing Polyol, Melamine Polyphosphate, and Copper Orthohydrophosphate for the Design of Low-Combustible Foamed Polymurethanes
Casting compositions were developed for the first time based on phosphorus-containing polyol and hydroxyl-containing oligoethers in combination with melamine polyphosphate and copper orthohydrophosphate for th...
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Article
Binders Based on Solution of Polyvinyl Butyral in Di(1-methacryloxy-3-chloro-2-propyl) Methylphosphonate–2-Hydroxyethyl Methacrylate Mixture for Difficultly Combustible Glass-Reinforced Plastics
Binders based on solutions of polyvinyl butyral (molecular mass 43 000 and 57 000 g mol–1) in a mixture of two monomers, di(1-methacryloxy-3-chloro-2-propyl) methylphosphonate and 2-hydroxyethyl methacrylate, wer...
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Binders Based on the Solutions of Polyvinyl Butyral in Tris(1-methacryloxy-3-chloro-2-propyl) Phosphate and Glycidyl Methacrylate for Low-Flammability Polymers
As a result of thermochemically initiated polymerization of the compositions, containing polyvinyl butyral dissolved in a mixture of tris(1-methacryloxy-3-chloro-2-propyl)phosphate and glycidyl methacrylate, l...
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Use of Fluoroperoxides Derived from Polyfluorinated Di- and Tetracarbonyl Compounds for Vulcanization of Fluoroelastomers
The possibility of using fluoroperoxides derived from polyfluorinated di- and tetracarbonyl compounds as vulcanizing agents for SKF-32 and SKF-260 fluororubbers was examined. The vulcanizates obtained are char...
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Article
Photopolymerizable Adhesives Based on Poly(Vinyl Butyral) Solutions in Methacrylic Monomers for Fireproof Glass Assemblies
Photopolymerization of compositions based on poly(vinyl butyral) solutions in a mixture of di-(1-methacryloxy-3-chloropropoxy-2-)methylphosphonate (FOM-II) and 2-hydroxypropylmethacrylate (HPMA) monomers is st...
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Article
Synthesis of Peroxides Based on Polyfluorated Polycarbonyl Compounds
The reactions of polyfluorinated di- and tetracarbonyl compounds with tert-butyl hydroperoxide proceeds at one or several carbonyl groups, depending on the ketone structure. The resulting peroxides are of interes...
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Specific Features of Thermochemically Initiated Radical Copolymerization of Mixtures of Methacrylic Monomers in the Presence of Dissolved Polyvinyl Butyral
Thermochemically initiated radical copolymerization of a mixture of di(1-methacryloxy-3-chloropropoxy-2-)methylphosphonate (FOM-II) and 2-hydroxypropyl methacrylate in the bulk in the presence of 1–10 wt % dis...
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Article
Investigation of Rheological Properties of Poly(Vinyl Butyral) Solutions in Methacrylic Monomers
Rheological feature of casting polymerizable compositions based on the solutions of poly(vinyl butyral), di(1-methacryloxy-3-chloropropoxy-2-)methylphosphonate, and 2-hydroxypropyl methacrylate at various rati...
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Article
Properties of Polyurethanes Prepared by Structuring Oligodienediols at Double Bonds and Hydroxyl Groups
The curing of oligodienediol with a combined system consisting of a polyisocyanate and a (meth)acrylate-containing compound, which allows it to be structured with the polyisocyanate both at the terminal hydrox...
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Article
Thermal and Thermo-Oxidative Destruction of Poly(Ethylene Terephthalate) Modified with Formulation Based on Polyfluorinated Alcohol
Stabilizing effect of 1,1,9-trihydroperfl uorononanole-1 immobilized on a montmorillonite support on the stability of poly(ethylene terephthalate) at elevated temperatures was studied. Gas chromatography, IR F...
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Article
Transparent polymeric materials with elevated adhesion to silicate glass and fire resistance
Polymer–monomeric compositions consisting of polyvinylbutyral, phosphorus- chlorine dimethacrylate, and 2-hydrohypropyl-methacrylate with increased adhesion to silicate glass, fire resistance, and thermal resi...
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Article
The efficiency of using fluorine-containing surfactants for property modification of polyurethanes filled with chalk
The efficiency of using fluorine-containing surfactants for increasing the sedimentation stability of filled compositions, uniformity of the disperse-phase distribution in oligomer, and hydrophobization of the...
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Article
Use of fluorinated diphenylolmethane derivatives for preparing heat-resistant elastic polyurethanes
Fluorinated diphenylolmethane derivatives were used for the first time as chain extenders in urethane formation reactions in preparation of elastic materials. Fluorinated diphenylolmethane derivatives exhibit ...
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Article
Specific features of curing of oligodieneurethane isocyanate prepolymer with glycerol in the presence of an organotin catalyst at twofold excess of isocyanate groups
The results of rheokinetic studies of catalytic curing of oligo dieneurethane prepolymer with glycerol at double excess of isocyanate groups are presented. The curing is described in the initial step by the po...
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Article
Regularities of optical property changes in epichlorohydrin rubber solutions in methylmethacrylate during photoinduced polymerization
Regularities of photoinduced polymerization of epichlorohydrin rubber solutions in methylmethacrylate are studied. It is established that the main stage of process is accompanied with a decrease of the value o...
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Article
On the stabilization and methods for modification of nanosize particles used for the preparation of polymer-inorganic nanocomposites
Data on the methods of stabilization and modification of nanosize particles used in the technology of development of new polymer-inorganic nanocomposites were analyzed and generalized. Advantages of the chemic...
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Rheokinetic features of the initial steps of curing of oligodiene-urethane prepolymer with a hydroxyl-containing curing agent at equimolecular ratio of the reactive groups
Rheokinetic studies of curing of oligodiene-urethane prepolymer with a hydroxyl-containing curing agent at the molar ratio NCO/OH = 1.0 were performed. In the initial step of curing, catalyltic formation of po...
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Domestic materials and technology for anticorrosion protection of pickling departments of pipe rolling and metallurgical enterprises
Rubber resins are developed for anticorrosion protection of equipment operating in extremely corrosive media of the pickling departments of metallurgical production.
