The physic-mechanical properties of vulcanizates derived from elastomeric compositions filled with calcium carbonate to hydrophobic stage latex and the traditional method on the rollers. It is determined that the maximum degree of filling of the rubber mixtures produced on the rollers, is 200 parts by weight rubber during the filling stage on latex 400 parts by weight 100 parts polymer. It is noted that during the preparation of rubber mixtures based on natural rubber, latex filled in step, there is a better process ability and reduced mixing time from 27 to 17 minutes. However, compositions with a degree of filling of 400 parts by weight "Sticky" on the rollers, du e to the high content of fatty acids, which contribute to adhesion due to the swelling of the polymer phase. When filled with 50 parts by weight 100 parts Rubber physical properties of the compositions prepared by liquid-phase method, higher than the values of standard samples. With increasing degree of filling of up to 100 parts by weight 100 parts by weight of rubber increased rates of tensile strength, but reduced rates of elongation. Further increase in the degree of filling reduces the physical and mechanical properties of vulcanizates than Shore hardness. The effect of stearic acid and oleic acid for processing rubber compounds. Found that oleic acid is involved in the curing process and increase the mechanical properties of the vulcanizates by formation of π-π bonds with a matrix rubber, and stearic plays the role of the interfacial structure plasticizer. The method of equilibrium swelling in toluene determined density chemically bonded chains of the polymer network. The lowest equilibrium degree of swelling is observed in a sample prepared on a mill.

liquid-phase content, calcium carbonate, physical and mechanical properties, vulcanizate

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