Abstracts

№5, 2014

The Distortion of Regularity in Macromolecules of Rubbers by 13C NMR Spectroscopy Data: “Titanium” Polybutadienes – Makhiyanov N. (P. 4)

13C NMR spectra (at 14,1T Magnetic flux density) of industrial specimens of “titanium” butadiene rubbers (obtained on titanium-containing catalytic system) were analyzed and the origin of regularity distortion considered.

Key words: “titanium” butadiene rubbers, 13C NMR spectra, regularity distortion

Comparative Characteristic Properties of Oil- and Bio-Based EPDM-Rubbers – Grima M.A., Hough Ph., Taylor D., Urk M.V. (P. 8)

Company LANXESS produced the first bio-based ethylene-propylene-diene rubbers (EPDM) Keltan Eco at the end of 2011. Nothing but ethylene obtained by dehydrogenation of ethanol from sugar cane is in use. Comparison of the of regular Keltan with Keltan Eco is presented. This evaluation has demonstrated that Keltan 5470 Eco and Keltan 5470 are identical. Keltan 5470 Eco therefore offers to rubber compounding technologists a realistic solution to the challenge of developing the more sustainable products.

Key words: EPDM, bio-based EPDM Keltan Eco, properties, company LANXESS

Vulcanization of Hydrogenated Butadiene Acrylonitrile Rubber by γ-Irradiation – Mamedov Sh.M., Garibov S.A., Rsaeva S.A., Yadreev F.I. , Sigov O.V. (P. 14)

Vulcanization of hydrogenated butadiene nitrile rubber by γ-irradiation have been studied as well as properties of rubber compounds of different vulcanization after γ-irradiation. The role of chloro-, amino-, and epoxy-compounds is discussed.

Key words: hydrogenated butadiene nitrile rubber, γ-irradiation, vulcanization, sensitazing, aging, chloro-, amino-, and epoxy-compounds

Effect of Zinc Oxide on the Peroxide Vulcanization of Fluorine Rubber SKF-32 – Sokolova L.V., Nepomnjaschji A.F., Kanauzova A.A., Reznichenko S.V. (P. 18)

Comparative analysis on the structure-forming activity of the organic peroxides on the mineral bearers of domestic production at the vulcanization of fluorine rubber SKF-32 was carried out. The degree of cross linking of elastomers is depended not only on the chemical structure and concentration of the peroxide, but also on quantity and nature of the mineral bears.

Key words: fluorine rubber SKF-32, organic peroxides, mineral bearers, zinc oxide, cross linking

High-molecular Modifiers with Grafted Anhydride and Imid Groups: Influence on Adhesive, Rheological and Mechanical Properties of Rubbers – Ilicheva E.C., Husainov  A.D., Cherezova E.N., Gotlib E.M. (P. 22)

High-molecular modifiers on the base of isoprene synthetic rubber with imparted anhydride and imid groups are synthesized: adhesive, rheological and mechanical properties of this rubber are studied.

Key words: modifiers, maleic anhydride, imid, unsaturated rubber, adhesion, metal cord, mechanical properties

Relationship Structure – Propertyes of Silane-Modified Urethane Elastomers Based on DMC-Polyether Polyols – Shabalina M.S., Antipova E.A., Khlebov G.A. (P. 26)

The relationship between the properties of cured silane-modified urethane elastomers and polymer chain structure determined by the SPU-oligomers synthesis route is studied. The possibility of the synthesis of the binders for different applications is shown.

Key words: SPU-oligomer, soft segment, hard segment, silane-modified urethane elastomers

Effect of Mechanical Activation of Carbon Black Р803 on Properties of Elastomers Based on Butadiene Acrylonitrile Rubber – Shadrinov N.V., Kapitonov E.A. (P. 30)

Results of study of effect of carbon black mechanical activation on properties of elastomers based on butadiene acrylonitrile rubber BNR-18AMN are presented. Improvement of physical and mechanical properties of elastomers is shown.

Keywords: BNR, carbon black, mechanical activation, physical and mechanical properties

Properties of Vulcanizates Based on Silicone Rubber Modified by Organoclay – Gadelshin R.N., Khakimullin Yu.N,, Lygina T.Z. Trofimova F.A., Gubaidullina A.M., Naumkina N.I. (P. 34)

The efficiency of the use of different types of organoclays in compounds based on the silicone rubber was studied. It was determined that the addition of organoclay up to 5phr results in increasing of physical and mechanical properties, thermal stability and swelling resistance (the toluene was used as a solvent). The improvement of the properties of vulcanizates due to the interaction of the rubber and organoclay is sown to be connected with the formation of nanocomposite.

Key words: vulcanizates based on the silicone rubber, organoclay, physical and mechanical properties, thermal stability, swelling resistance, nanocomposite

Results of Thermodynamic Analysis of Thermal Stability of Element of Elastomer Network – Sokolovsky A.A. (P. 38)

Results of thermodynamic analysis of thermal stability of element of elastomer network of structure included entropy and enthalpy components are presented. This analysis allows to obtain some practical conclusions useful at the development of technical elastomers.

Key words: chain length, number of intermolecular connection, chain flexibility, applied work, thermal stability

Study of the Influence of Low Temperatures on Rubbers – Shilov I.B., Fomin S.V., Durnev E.A., Khlebov G.A., Kiroski  D. (P. 40)

Effect of low temperatures on properties of vulcanizates based on NR, SBR and their blends has been studied. Decrease of resistance to growth of cracks in NR-based vulcanizates is shown. Cyclic action of low temperatures results in the change of mechanical properties of rubbers and formation of microcracks on their surface. Role of orientation and crystallization is under discussion. Water absorption in composition of rubber to prevent formation of microcracks is recommended.

Key words: rubbers based on NR, SBR and their blends, low temperatures, resistance to cracks growth, crystallization, orientation processes, moisture, mechanical properties, microcracks

Some Promoters of Steel Cord/Rubber Adhesion – Puchkov A.F., Lapin S.V., Shmurak I.L., Kablov V.F. (P. 42)

Stability of steel cord/rubber adhesion bond to the water action is studied. Better stability of boron-containing promoter based on blocked polyisocyanates in comparison with cobalt-containing promoters is shown. Explanation for this increase is under discussion.

Key words: steel cord/rubber adhesion, boron-containing promoter, cobalt-containing promoters, stability to water action

Some words on directing of intellectual ownership – Busarev G.G. (P. 44)

Problems of directing of intellectual ownership are under consideration and review of patents devoted to water-swelling materials for insulation of oil wells is presented.

Key words: intellectual ownership, water-swelling materials for insulation of oil wells, EPDM

On the Scientific Seminar in the Institute of Problems of Processing of Hydrocarbons SO RAN – Likholobov V.A. (P. 48)

Review of papers presented at seminar devoted to 45 anniversary of the establishment of the (former Institute of Technical Carbon Black) and the memory of its founder V.F. Surovikin. (19 – 20.05.14, Omsk).

Key words: carbon black, its production, its appication

On the Training of the Specialists in Adhesion and Hermetic Industry (P. 52)

Information on the additional training of the specialists in adhesion and hermetic industry organized by Association of Manufacturers of Adhesives and Hermetics together with Moscow University of Fine Chemical Technologies by M.V. Lomonosov.

Key words: additional training, adhesion, hermetic

News of “NIISK by S.V. Lebedev” (P. 54)

Information on Conference – Competition “Young Scientists to Development of “NIISK” – 2014” (26–31.06.14., “NIISK”, Saint-Petersburg); universal energy-saving system “NRG”; Rotary-disk apparatus.

Key words: young scientists, composite materials, synthesis, methods, energy saving

Information on Papers Published in the Journal “Rubber Chemistry and Technology”, 2013 (P. 56)