Abstracts

№1, 2014

On Effect of Catalyst System Composition on Properties of Cis-1,4-Polybutadiene Modified by Maleic Anhydride and 1-Hexadecene Copolymer – Akhmetov I.G., Kubanov K.M., Fazilova D.R., Vagizov A.M. (P. 4 )

Composition of maleic anhydride and 1-hexadecene copolymer is used for 1,4-cis-polybutadiene modification synthesized by neodymium catalyst system with various active centers content. Increase of "active" neodymium amount in catalyst system results in increase of modification efficiency.

Key words: cis-1,4-polybutadiene, modification, methylaluminoxane, α-olefin.

Isoprene Polymerization Catalyzed by Neodimium 2-Ethyl-Hexyl Phosphate Systems – Bubnova S.V.,.Bodrova V.S, Dyachkova E.S., Drozdov B.T., Vasilyev V.A. (P. 8 )

Key principles of isoprene polymerization catalyzed by neodymium 2-ethyl-hexyl phosphate systems in one-stage polymerization process, developed in Lebedev Institute, have been studied. Effect of the nature of diene constituent of the catalyst on polyisoprene microstructure and molecular-mass characteristics is shown.

Key words: isoprene, catalyst, neodymium, polyisoprene, microstructure, molecular-mass characteristics.

Polymerization of Isoprene in the Presence of Catalytic Systems Based on Gadolinium – Compounds Levkovskaya E.I., Bubnova S.V., Bodrova V.S., Drozdov B.T., Vasilev V.A. (P. 12 )

Data have been presented on the activity of catalyst systems based on 2-ethylhexyl phosphate, neodecanoate and gadolinium chloride in the reactions of isoprene polymerization, as compared with similar neodymium catalysts. Particular attention was focused on polyisoprene molecular mass characterization and relationships between crystallization and microstructure.

Key words: isoprene, catalysts, neodymium, gadolinium, polyisoprene, microstructure molecular mass characteristics, crystallization

Study of Diffusion Activity of Phospholipids in Isoprene Rubber – Tsyganova M.E., Ahmed'yanova M.S., Rahmatullina A.P., Liakumovich A.G., Potapov E.E., Stepanova G.S. (P. 16)

The diffusion activity of phospholipid concentrate as modifier of synthetic polyisoprene was stadied. Modifier diffusion into the matrix rubber under static conditions in a short time period is shown. The diffusion coefficients of low molecular weight components of rubber compounds in the phospholipid concentrate were measured. The higher solubility of these components in the modifier than in polyisoprene was found.

Key words: polyisoprene SKI-3, phospholipid concentrate, modifier, diffusion coefficients

Some Features of Properties of Elastomeric Compositions Based on Blends of Isoprene (SKI-3) and Chlorine-Containing Ethylene-Propylene Rubbers – Andriasyan Yu.O., Mikhaylov I.A., Karpova S.G, Popov A.A., Pashinin V.I., Kornev A.E. (P. 20 )

Properties of elastomeric composition based on chlorine-containing ethylene-propylene rubber of different structure (synthesized by different methods) and highly unsaturated rubber SKI-3 have been studied.

Key words: chlorine-containing ethylene-propylene rubber, isoprene rubber SKI-3, properties

Effect of Thermo-Mechano-Chemical Changes of Natural Rubber on Some Properties of Rubber Compounds and Vulcanized Rubbers – Mikhailov I.А., Andriasyan Yu.О., Popov A.A., Kornev A.E. (P. 24 )

Thermo-mechano-chemical changes of natural rubber SVR 3L under treatment by internal mixer at selfheating have been studied. Effect of treatment time on molecular mass and content of gel-fraction of natural rubber is shown. Properties of rubber compounds and vulcanized rubber are presented.

Key words: NR, thermomechanical treatment, molecular mass, gel-fraction, properties

On the Problem of Optimizing of the Vulcanization Stage of Injection Molding of Rubber Goods – Baranov A.V., Dakhin O.Kh. (P. 28 )

An attempt to develop a methodology for optimizing of the vulcanization stage of injection molding of rubber goods is presented. Methodology is based on the mathematical model of transient heat conduction with temperature-dependent thermal properties. Diagrams of the main technological parameters of the vulcanization stage and its connection with the previous stages of plasticizing and injection have been developed.

Key words: rubber compounds, mathematical modeling, injection molding, vulcanization.

The choice of best suited mathematical models of rubber for FEA – Mozgalev V.V., Prokopchuk N.R. (P. 32 )

Analysis of different mathematical models of rubber is presented and the best suitable for FEA with the use of computer software LS-DYNA recommended.

Key words: rubbers, mathematical modeling, FEA

The Role of Carbon Black in the Formation of Rubber Properties under Harmonic Dynamic Loading – Razdyakonova G.I., Strizhak E.A., Maratkanova E.A., Adyaeva L.V. (P. 36 )

Effect of the presence of oxygen on the surface of carbon fillers on the mechanical properties of rubber is studied by dynamic mechanical analyzer. Increase of tgδ at 1000 Hz and 0 °C of rubbers based on SBR with increase of oxygen content on the surface of the carbon filler is found. It opens the possibility to adjust the properties of rubbers for tires and other rubber products in the desired direction.

Key words: dynamic mechanical analyzer, carbon black, oxygen group, SBR, mechanical properties of rubber

The Study of Conductive Carbon Black Series «OMCARB». Part 1. Physico-chemical Properties. Evaluation of the Quality of Dispersion in Natural Rubber – Moiseevskaya G.V., Razdyakonova G. I., Karavaev M. Yu., Petin A. A., Strizhak E.A. (P. 40 )

Data concerning OMCARB series conductive carbon black production, physical and chemical properties as well as dispersion in rubber are presented.

Key words: carbon black, electroconductivity, percolation threshold, iodine dimers, iodine trimers, dispersion.

Ceramics Formed Silicone Compounds – Kopylov V.M., Fedorov A.Yu., Tsareva A.V., Kostyleva E.I. (P. 44 )

Formation of ceramics in the process of combustion of organosilicon compounds has been studied. Effect of different mineral fillers and additives on the ceramics formation is shown.

Key words: silicone compounds, mineral fillers, modification, ceramics formation, fire resistance

Reactions between Copolymers with Ester Units and Some Nitrogen Containing Substances – Shmurak I.L. (P. 48 )

Analysis of the cause of the difference between properties of tread compounds based on butadiene copolymers with ester units and analogous copolymers without such units is presented. Latexes of butadiene copolymers with ester units modified with water soluble amines recommended as provided the higher adhesion properties with regard to polyester cord.

Key words: tread compounds, butadiene copolymers, ester units, latexes, modification, adhesion, polyester cord

Recycling of Vulcanized Rubber Wastes with the Use of Different Physical and Mechanical Effects – Kablov V.F., Perfil’ev A.V., Shabanova V.P., Egorov V.A., Surkaev A.L. (P. 50 )

Recycling of vulcanized rubber wastes with the use of different physical and mechanical effects has been considered. The choice of the applied technologies is defined to a large extent by power consumption and environmental characteristics. As a result the characteristics of the obtained products are quite different and the fields of their application is also quite different.

Key words: vulcanized wastes, recycling, tire products of utilization

The choice of tire list with the use of ABC – XYZ type of tables – Konikov A.I. (P. 54 )

The method of the use of ABC – XYZ and similar types of tables for the choice of tire for marketing is presented.

Key words: tires, ABC – XYZ type of tables, marketing

State of art and tendencies of manufacture developments and use of oil-softeners, ceresine-waxen products and resin agents – Dumskii Yu.V., Cherednikova G.F, Larichkina T.V., Dumskii S.Yu. (P. 56 )

List of oil-softeners, ceresine-waxen products and resin agents developed in Volgograd Institute VNIKTInephtehimoborudovanie, their properties, prospects of manufacture developments and use are presented.

Key words: oil-softeners, ceresine-waxen products, resin agents

Patent. What is Important to Know – Busarev G.G. (P. 58 )

The brief review on patents devoted to silicon hermetic as a sample of patent research is presented.

Key words: patents, silicon hermetic

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

Additional Education in the Field of Elastomers in US, UK, and Germany (on the E-mail Messages) – Bukhina M.F. (P. 68 )

Information on content of additional education in the field of elastomers in US, UK, and Germany is presented.

Key words: professional additional education

Meeting Devoted to Memory of V.V. Chernaya-Chichagova (Abbess Serafima) (P. 61 )

Information on meeting devoted to memory of V.V. Chernaya (abbess Serafima) held in MITChT, Moscaw, 07.02.14.

IV All-Russian Conference with International Participation “Rubber – 2014: Tradition and Innovation” (P. 62 )

Press-release of the Conference (Moscow, Expocenter, 23 – 24.04.14)

Stable Business and Good Prospects for Plastics and Rubber Industry in Russia (P. 66 )

Post-release of the exhibition “Interplastica” (Moscow, Expocenter, 28 – 31.01.14)