Abstracts

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6, 2009

Polymerizaton Kinetics nd Molekular Properties of Lithium Polybutadiene: Effect of Concentration of Monomer and Initiating System Akhmetov I.G., Boreiko N.P., Burganov R.T., Glukhovskoi V.S., Kalashnikova O.A., Kozlov V.G., Salakhov I.I., Ziganshina E.F. (P. 2).

The kinetic parameters of polymerization and the molecular properties of Polybutadiene synthesized with n-butyllithium Lapramolat M-3 initiating system were determined. Effect of concentration of monomer and initiating system on the rate of polymerization and the amount of the polymer of average molecular weight is shown. The constant of elementary reaction, Polybutadiene microstructure and active sites percentage (relative to amount of initiating system) are shown to be practically independent on these concentrations.

Key words: Polybutadiene, polymerization kinetics, lithium catalysts

Microstructure of Industrial Butadiene Rubbers According to NMR and DSC Data Makhiyanov N., Temnikova E.V. (P. 4).

Microstructure of commercial butadiene rubbers obtained by different polymerization methods have been studied by means of NMR. Content of 1,2, cis- and trans-1,4 units and their distribution in rubbers of different regularity is under discussion. Comparison with DSC data is presented.

Key words: Polybutadiene, microstructure, NMR, DSC

Temperatures of Glass Transition, Crystallization and Melting and Microstructure of Butadiene Rubbers Makhiyanov N., Temnikova E.V. (P. 7).

Glass transition, crystallization and melting of commercial butadiene rubbers obtained by different polymerization methods have been studied by means of DSC. Conclusions about microstructure are presented. Comparison with NMR data is under consideration.

Key words: Polybutadiene, microstructure, NMR, DSC, glass transition, crystallization, melting

Composite Materials on the Base of Silicone Rubber and Superhigh-Molecular Polyethylene with Effect of Memory of the Form Strigin A.V., Shakhovets S.E., Nikolaev O.O., Britov V.P., Bogdanov V.V. (P. 10).

Composite materials on the base of silicone rubber and superhigh-molecular polyethylene with effect of memory of the form are developed. The effect is evident in the range of concentrations of polyethylene of 20-60% mass

and connected with existence of interpenetrated phases of components. The possible field of application is medicine, in particular, for endoprosthesis as well as for systems of transportation, distribution and consumption of electric power.

Key words: composite materials, silicone rubber, superhigh-molecular polyethylene, memory of the form

Effect of Composition of Amine Stabilizers on Thermooxidizing Aging of Vulkanizates Zemskii D.N., Dorofeeva Yu.N. (P. 12).

Thermooxidizing aging of vulkanizates based on isoprene rubber SKI-3 with different stabilizers have been studied. Developed and commercial stabilizers are under comparison. Effect of composition of amine stabilizers on age resistance is shown and the best composition is recommended.

Key words: thermooxidizing aging, stabilizers

Boron-Containing Substances Synthesized in the e-Caprolactam Melt for the Blocked Di- and Polyisocyanates Puchkov A.F., Turenko S.V., Kablov V.F., Lapin S.V. (P. 13).

The possibility to use triple alloys of e-caprolactam, boric acid and zinc oxide for the obtaining the boron-containing blocked di- and polyisocyanates is shown. Formation of zinc borates of various structure and metaboric acid in the melting process is also shown.

Key words: alloys, boron-containing blocked di- and polyisocyanates, e-caprolactam, boric acid, zinc oxide, zinc borates, metaboric acid

Magnesium-Containing Fillers for Rubber Compounds Gerasimova L.G., Nikolaev A.I. (P. 15).

The possibility to use magnrsium-containing fillers sungulit in particular for rubber compounds is shown. Sungulit is a waste product of enriching of olivine ores.

Key words: mineral fillers, waste product of ores enriching

Study of Homogeneity of Dispersed Carbon Black as a Rubber Filler by Means of Light, AFM Scanning and Electron Microscopy Strizhak E.A., Razd'yakonova G.I., Philipeva A.A., Nedel'kin V.I. (P. 18).

Dimension of aggregates of carbon black and their distribution in rubber compound based on blend of isoprene rubber SKI-3 and styrene-butadiene rubber SKS-30ARKM-15 (75:15) were studied and compared with primary aggregates dimensions in model dispersion. Results were obtained by means of light, AFM scanning and electronic microscopy.

Key words: carbon black, primary aggregates, light, scanning and electron microscopy

Alkylresorcinol Resin as a Modifier of Filled Polyolefine Compositions Chagaev S.V., Musin I.N., Kimel'blat V.I. (P. 19).

Effect of specially synthesized alkylresorcin resin as modifier on properties of filled compositions based on ethylenepropylene rubber and superhigh-molecular polyethylene has been studied. Optimal ratio of the filler and alkylresorcinol resin providing synergism of the components is determined.

Key words: modifier, alkylresorcin resin, filled composition, ethylenepropylene rubber, superhigh-molecular polyethylene, synergism,

Approach to the Choice of Complex Characteristic of Tire Loading Gudkov V.A., Tarnovskii V.N., Ustarov R.M. (P. 21).

Analysis of factors determining the service condition of tire on mountain roads is presented.

Key words: tire, service condition, mountain roads

Effect of Quinol Ether on Adhesion Characteristics of NBR Based Adhesive Composition Makarov T.V., Muflikhanov I.I.,Vol'fson S.I. (P. 22).

Increase of adhesion characteristics of the NBR based adhesive composition in presence of quinol ether is shown. This effect is connected with increase of acid-base interaction in the adhesive-substrate boundary.

Key words: adhesion, acid-base interaction, acidity parameter, NBR

Maintainability of Steel Cord Tires and Organization of Their Reducing Repair is the Urgent Problem of Russian Tire Industry Evzovich V.E., Rossin V.D. (P. 25).

Problems of quality and maintainability of steel cord tires are under consideration.

Key words: steel cord tires, maintainability

Application of Fine EPDM Rubber Powder in EPDM Rubber Compounds Adov M.V., Krasnov P.L., Pitchkhidze S.Ya., Panova L.G. (P. 32).

Activated fine EPDM rubber powder obtained from waste of producing of EPDM rubber goods have been added in EPDM compounds. Addition of power in amount up to 20% doesnt result in the change of mechanical properties. Compensation of slight increase of Mooney viscosity is possible by addition of special processing additive.

Key words: rubber powder, EPDM, waste products

Modern Achievements of Experimental Methods in the Field of Structure and Dynamic of Polymers and Polymer Composite Materials (XVI Conference Devoted to N.S. Enicolopov) Zaikov G.E., Zimina L.A. (P. 34).

Review of papers presented on Conference Modern achievements of experimental methods in the field of structure and dynamic of polymers and polymer composite materials (XVI Conference devoted to N.S. Enicolopov) (13.03.08, Institute of Synthetic Polymer Materials by N.S. Enicolopov RAN, Moscow)

Key words: structure of polymers, dynamic of polymers, structural methods, polymer composites

Microsymposium Devoted to 85 Anniversory of Academician V.I. Goldanskii Zaikov G.E., Zimina L.A. (P. 34).

Review of papers presented on Microsymposium devoted to 85 anniversory of academician V.I. Goldanskii (23.06.08, Institute of Chemical Phtsics by N.N. Semenov RAN, Moscow)

Key words: chemical physics


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