Abstracts

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¹5, 2011

Effect of Composition and Concentration of Modifier on Polymerization Process and Molecular Characteristics of Lithium Polybutadiene – Akhmetov I.G. , Burganov R.T., Kalashnikova O.A. , Amirkhanov A.T., Gluchovskoy V.S. (P. 2).

Process of polymerization of butadiene over n­butyllithium in presence of modifier based on K, Na, and Mg alcoholates was studied. Effect of modifier composition and concentration on molecular and structural characteristics of the obtained polymer was defined. Kinetic parameters of the process were calculated.

Key words: polybutadiene, n­butyllithium­based catalyst system, modifier, polymerization kinetics, molecular characteristics

Structure and Properties of the Disperse Carbon, Received in Diffuzion Fires and Turbulent Streams – Razdiakonova G.I, Tsibulko T.Yu., Kiseleva E.A., Filipieva A.A., Kokhanovskaya O.A., Arbuzov A.B., Muromtsev I.V., Kan V.E. (P. 6).

Comparative analysis of physic­chemical properties, structure of particles, morphology of aggregates and functional composition of carbon black of different types is presented.

Key words: carbon black, specific surface, structure of particles, functional composition, morphology of aggregates, X­ray diffraction, Raman spectroscopy.

Nanoprene® – an Additive Increasing Compatibility of Precipitated Silica Fillers with Rubbers of General Purpose – Bagryashov S.V., Volfson S.I., Rakhmatullin A.I., Kazakov U.M. (P. 10).

Processing and mechanical properties of tread rubbers based on butadiene­styrene and butadiene rubbers filled by silica with addition of different amount of Nanoprene® have been studied. Increase of compatibility of blends and the possibility to improve the tire properties are shown.

Key words: Nanoprene®, butadiene­styrene rubber, butadiene rubber, precipitated silica fillers, compatibility of blends

Effect of Organobentonit on the Properties of 1,2­Polybutadiene – Konovalova T.V., Obolonkova E.S., Goncharuk G.P., Kuz’micheva G.M., Karpova S.G., Yulovskaya V.D., Serenko O.A. (P. 14).

Processing and mechanical properties of 1,2­polybutadiene filled with organobentonit modified by dialkildimetilammony chloride have been studied. Introduction of organobentonit results in increase of vulcanization rate, degree of crosslinking and modulus. Formation of intercalated particles of organic clay in composite was shown by X­ray analysis and a ESR.

Key words: organobentonit, 1,2­polybutadiene, modification, vulcanization, structure, X­ray, ESR

Study of the Russian Co­Agent of Vulcanization of Cable Rubber – D’yakonova L.M., Novikov D.V., Levit R.G., Voloshin V.N. (P. 17).

The action of Russian co­agent of peroxide vulcanization “Vulkagen P 103­12” in insulated cable rubbers based on EPDM has been evaluated. The processing, mechanical and electrical properties of rubbers shown to meet all the requirements of national standards.

Key words: co­agent of peroxide vulcanization, cable rubbers, EPDM.

Study of Modifying Effect of Additives of Polymethylene­p­Threephenyl Ester of Boric Acid in Rubber­Based Composite Materials – Korabelnikov D.V., Lensky M.A., Ozhogin A.V. (P. 19).

Interaction of modifier – polymethylene­p­threephenyl ester of boric acid with components of sulfur vulcanizing system as well as strength, wear and heat resistance of friction composite materials containing Vollastonit and small amount of butadiene and isoprene rubbers have been studied. The possibility to improve the properties of friction materials by addition of modifier without the change of processing is showed.

Key words: friction composition, brake linings, Vollastonit, polymethylene­p­threephenyl ester of boric acid, modification, wear resistance, heat resistance, strength, coefficient of friction.

Kvalistab 8oPPD – the New Modification of the Rubber Antioxidant C789 of High Antiozone Effect for Tire and Technical Rubber Goods Com­pounds – Vinokurov Yu.V., Kavun S.M.,, Kolokolnikov A.S., Mezhibovsky A.S., Zvezdenkov K.A., Levit R.G., Ushmarin N.F. (P. 22).

New stabilizer for rubbers Kvalistab 8oPPD on the base of N­n­octyl­N’­Phenyl­p­Phenylendiamine has been synthesized. Its high efficiency as antiozonant, antioxidant and antifatique in rubber compounds for shock­absorbers and cable insulation is sown.

Key words: antiozonant, antioxidant, antifatique, stabilizer, ozone aging

Mechanical Activation of Diene Rubbers. Part 5. Effect of Mechanical Activation of SKI­3 on its Visco­Elastic Properties under Dynamic Load – Dorozhkin V.P., Galimova E.M., Il’yasov R.S., Evtishina N.M. (P. 26).

Dynamic properties of activated isoprene rubber SKI­3 under different frequencies and temperatures have been studied. The change of properties under activation is shown. Effect of activation is higher at low frequencies.

Key words: isoprene rubber, mechanical activation, dynamic properties

Mechanical Activation of Diene Rubbers. Part 6. Effect of Mechanical Activation of SKI­3 on its Visco­Elastic Properties under Static Load – Dorozhkin V.P., Galimova E.M., Il’yasov R.S., Evtishina N.M. (P. 29).

Visco­elastic properties under static load, viscosity and shear rate in particular, were calculated using correlation relationship between dynamic and static properties. Calculated Newton viscosity under low shear rate of activated SKI is up to tenfold lower than that of nonactivated samples.

Key words: isoprene rubber, mechanical activation, static properties, viscosity

Forecasting of the mileage of auto tires under mountain conditions – Gudkov V.A., Tarnovsky V.N., Ustarov R.M. (P. 31).

On the basis of road tests on mountain routes of Gazell microbuses tires the way of mileage forecasting is proposed.

Key words: Gazell microbuses tires, road tests, mountain conditions, mileage forecasting

Elastomeric Compounds Containing Rubber Reclaim Obtained by Means of Nitrous Oxide (I) – Voronchikhin V.D., Dubkov K.A., Ilin I.A., Khudo­ley M.A., Semikolenov S.V., Ivanov D.P. (P. 33).

Effect of rubber reclaim obtained by a treatment of tire crumb with N2O on the properties of rubber compounds was studied. Improvement of several characteristics of raw compounds and vulcanizates has been shown.

Key words: rubbers reclaim, N2O, rubber compounds

Development and the Use of Polymer Compounds for Biotechnological Purposes – Popova V.M. (P. 35).

The results of development of different compounds based on blends of fluoroelastomers SKF­26 and SKF­260 with silicone rubbers SKTV, SKTV­1, SKTPhT­100 and SKTPhT­50 for biotechnological purposes are presented. Their processing and chemical properties as well as aging are studied. The possibility to obtain compounds of necessary properties is shown.

Key words: compounds for biotechnological purposes, fluoroelastomers, silicone rubbers, rubber blends, processing properties, chemo­resistance, aging.

Compounds Based on Fluoroelastomers for Biotechnological Purposes – Popova V.M, Matveeva I.N., SamuilenkoA,Ya., Simanenkova L.B. (P. 38).

The possibility to use different vulcanizing agents in compounds based on fluoroelastomers and used for biotechnological purposes is shown.

Key words: compounds for biotechnological purposes, fluoroelastomers, vulcanizing agents, heat resistance, chemo­resistance

Dynamic Properties of Vulkanizates Containing Nanoprene® Rubbers – Bagryashov S.V., Turenko S.V., Kazakov U.M., Volfson S.I. (P. 39).

Effect of crosslinked modified Nanoprene® particles on tg at –20 °Ñ, 0 °Ñ, and +60 °Ñ of model vulkanizates based on blends of butadiene­styrene and butadiene rubbers have been studied. Possibility to obtain tire rubbers of improved properties is shown.

Key words: Nanoprene®, butadiene­styrene rubber, butadiene rubber, tg

Include in Formulation – Ryazanov V.A. (P. 40).

Information about forthcoming International Conference “Rubbers, tires and RTI 2011”, to be organized by company Creon (Moscow, Hotel Balchug Kempinski, November. 2011).

Key words: rubber, tire, rubber composition, prospects of science and industry

Fighting for Insulation – Ryazanov V.A. (P. 41).

Review of papers presented on International Conference “Polymers in Cable Industry”, organized by company Creon (Moscow, Hotel Balchug Kempinski, 16.05.2011).

Key words: polymers, cable insulation, prospects of science and industry

All­Russian Conference Devoted to 20 Anniversary of IPRIM RAN “Mechanics and Nanomechanics Structural­Complex and Heterogeneous Mediums. Progress, Problems, Perspects” – Gamlitskiy Yu.A., Kornev Yu.V. (P. 43).

Review of papers presented on the jubilee Conference of IPRIM RAN (30.11. – 02.12.2009, Moscow).

Key words: mechanics, nanostructure, heterogeneous mediums, polymers, filling

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