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On Effect of Modification Temperature on Properties of cis-1,4-Polybutadiene – Akhmetov I.G., Kubanov K.M., Vagizov A.M. (P 4 )
Effect of modification temperature on properties of cis-1,4-polybutadiene was studied. Copolymer of maleic anhydride and 1-hexadecene as modifier was in use. Diffusion was shown to effect the modification process at lower temperatures in addition to kinetic factors.
Key words: cis-1,4-polybutadiene, modification, α-olefin, temperature.
Effect of Hydrodynamic Motion Mode of the Reaction Mixture on the Thermomechanical Properties of Copolymers of Butadiene and Isoprene – Zakharov V.P., Mingaleev V.Z., Zakharova E.M., Zakirova I.D. (P 8 )
Method of copolymerization of butadiene and isoprene in presence of a titanium catalyst system at formation of the reaction mixture in pre-reactor tube of turbulent confuser-diffuser design is suggested. Presence of turbulence results in the change of microstructure of copolymer. As a result both glass transition temperature and temperature of flow of copolymers of 20% and 40% butadiene content became lower in average on 14 and 9○C respectively.
Key words: butadiene, isoprene, copolymerization, titanium catalyst, glass transition temperature, flow temperature
The Study of Modifying Effect of Additives of Polymethylene-p-Threephenyl Ester of Boric Acid in Rubber-Based Composite Materials. Part 2 – Korabelnikov D.V., Lensky M.A., Ozhogin A.V., Nartov A.S. (P. 12).
Possibility of regulating of the strength and wear resistance of rubber based polymer friction materials by addition polymethylene-p-threephenyl ester of boric acid without changing of the basic technology of composites is shown. The increase in temperature resistance of the modified friction compositions is established.
Key words: friction composition, brake linings, polymethylene-p-threephenyl ester of boric acid, coefficient of friction, wear resistance, strength, temperature resistance
Modification of Elastomer Compositions by Fluoro-Organic Compounds – Polonik V.D., Prokopchuk N.R., Shashok Z.S. (P 16)
The effect of fluoro-organic compounds on the properties of the elastomer compositions based on BNK are studied. The incorporation of modifying additives improves the heat resistance, resistance to the action of the liquid hydrocarbon medium, the abrasion resistance and reduce the relative compression set.
Key words: BNK, modification, fluoro-organic compounds, heat resistance, abrasion resistance, resistance to aggressive medium, compression set
Effect of the Cross-Links Nature on Resistance to Corrosive Media of Vulcanizates Based on Chlorosulfonated Polyethylene – Zaripova V.M., Khakimullin Yu.N., Karaseva I.P., Fatkhutdinov R.Kh., Uvaev V.V. (P. 20)
The effect of the cross-links nature of vulcanizates based on chlorosulfonated polyethylene on durability under exposure in corrosive media is studied. The change of deformation and strength properties is shown.
Keywords: chlorosulfonated polyethylene, corrosive media, vulcanization, cross-linking, deformation and strength properties
Effect of the Antioxidants Contained in BNR on Properties of Rubbers – Sandalov S.I., Ushmarin N.F., Bukhtiyarova N.M., Koltsov N.I. (P. 24)
Effect of various antioxidants contained in BNR on properties of oil resistant rubbers is studied. Properties of rubber containing Naftam-2 and Novantoks 8 PFDA as antioxidants are similar to properties of rubbers containing Wingstey-29 and Octolite-544CF.
Key words: BNR, antioxidants
The Study of the Effect of New Curing Agent DPIA-65 on Properties of Composit Materials Based on Perfluorinated Rubber Neofton-H – Tsypkina I.M., Kollar A.N., Volkova M.A., Gubanov V.A. (P. 28)
Effect of a new vulcanizing agent DPIA-65 on properties of raw compounds and vulcanizates based on Neofton-H has been studied. Advances of Neofton-H as promising material to develop high performance new composites are shown
Key words: Neofton-H, curing agents, rubber compounds, rheometry, Mooney viscosity, scorching, vulcanization, physical and mechanical properties.
The Mineral Shungite as an Activator of Sulfur Vulcanization of EPDM with Organic Salts of Zinc – Glebova Yu.A., Shershnev V.A., Reznichenko S.V., Popova A.P., Pyzhonkova V.V., Lyakin Y.I. (P. 34)
The role of Shungite as an activator of sulfur vulcanization of EPDM has been demonstrated. Organic salts of Zn and Ca have been added as extra activators. The possibility to decrease of ZnO content in presence of Shungite was shown.
Key words: Shungite, sulfur vulcanization, activator, ZnO, zinc stearate, zinc acetate, calcium stearate, sulfenamid
The Study of Conductive Carbon Black Series «OMCARB». Part 2. Properties of elastomeric composites – Moiseevskaya G.V., Razdyakonova G. I., Karavaev M. Yu., Petin A. A., Strizhak E.A. (P. 38)
The results of testing of OMCARB series conductive carbon black in rubber compounds are presented: elastic and strength properties; physical characteristics. The possibility of decrease of rolling resistance and improvement of ice-covered road traction with the use of OMCARB ÑÍ85 grade in tire treads is shown.
Keywords: electrical conductivity, thermal conductivity, loss modulus, loss tangent, elastic modulus
The Study of Wettability of Shungite (Karelit) by NR Latex and its Effect on Some Technological Properties of Composites – Kravchenko L.S., Poldushov M.A., Potapov E.E, Miroshnikov Yu.P., Bobrov A.P., Aseeva G.K., Plotnikova M.F. (P. 44)
Contact angles of water and NR latex on the surfaces of Shungite and other minerals were measured and the values of the surface tension calculated. Viscosity of Shungite-latex composition was estimated. The possibility to prepare the high-filled stable compositions based on NR latex and Shungite is shown.
Key words: Shungite, NR latex, wetting, contact angle, viscosity
Approximation of Experimental Data on Extrusion and Drying of Thermoplastic Rubber in of the Screw Drying Extruder – Kougiya F.A. (P. 48)
Approximation of movement of wet rubber taking into account the sliding of the material in the discharged channel of the screw drying extruder is proposed. Results are compared with the experimental data on drying and extruding of the thermoplastic elastomer DST-30.
Key words: modeling, frictional characteristics, wet rubber, thermoplastic elastomers, screw drying extruder
Optimization of Elastic Strain Parameters of Tire Parts with the Use of Rubber Composition-Property Relationships – Soloviev M.E., Mazin A.V., Kapustin A.A., Karanets A.O. (P. 50)
A set of empirical functions is proposed to adequately describe the dependencies of the parameters of nonlinear elastic properties of general-purpose rubbers. The calculated sets of parameters were used in numerical tire simulation including static loading, footprint analysis and also in design optimization procedures.
Key words: structure-property relationship, Legendre polynomials, elastic deformation characteristics, numerical simulation.
Modeling of the Kinetics of Evaporation of a Mixture of Flame Retardants from Rubber – Dedov A.V., Nazarov V.G. (P. 54)
Efficiency of the application of the well-known model for forecasting of evaporation of a mixture of flame retardants in rubber has been studied. The model is designed to predict the rate of evaporation, determined by the diffusion of ingredients in rubber. The model is limited by the change of temperature and content of the ingredient in the process of evaporation. As a result, the limiting stage of the process and the appearance of the equations of the model is changed.
Key words: evaporation, mixture of flame retardants, simulation, limiting stage.
Now-How. Do you know how? – Busarev G.G., Zaitceva K.V. (P. 58)
The brief comment of “Now-How” concept and review on patent devoted to nanocomposites.
Key words: patents, commercial secret, nanocomposites
Ural Plant of Rubber Technical Goods (P. 62)
Information on Ural Plant of Rubber Technical Goods. “Institute of Rubber and RTG” is the part of the plant. All directions of the work of the plant, equipment and prospect of the development are presented.
Key words: rubber technical goods, equipment, automatization, quality level
15th International Conference “Elastomers 2013, Science and Industry” – Zaikov G.E, Madyuskina L.L., Artsis M.I., Zimina L.A. (P. 61)
Review of papers presented at 15th International Conference “Elastomers 2013, science and industry” (Warsaw, Poland, 23 – 25.10.13).
Key words: elastomers, epoxy NR, modification, adhesive, processing, destruction, quality control of raw materials and goods
Olygomers – 2013. XI International Conferenceon Chemistry and Physical Chemistry of Olygomers – Morozov Yu.L.,Reznichenko S.V. (P. 64)
Review of papers presented at XI International Conference “Chemistry and Physical Chemistry of Olygomers” (Yaroslavl, 09 – 14.09.13.).
Key words: theory of oligomers, synthesis, polyurethanes, dienes, functionalization of olygomers
About seminar of Association of Manufacturer of Adhesives and Hermetics (P. 68)
Information on meeting of Association of Manufacturerof Adhesives and Hermetics (Moscow, 25 – 26.02.14.)
Key words: adhesives, hermetics, education
Exhibition Techtextil-2014 – an Important and Leading Professional Event in the Field (P. 74)
Post-release of Exhibition “Raw Materials, Equipment, Production – Techtextil Russia -2014” (Moscow, Expocenter, 11 – 13.03.)
Key words: techtextil, raw materials, equipment, production, properties, application in different fields