Method of making a suspension of a filler for rubber mixtures

Details Method of making a suspension of a filler for rubber mixtures Method of making a suspension of a filler for rubber mixtures

C - Chemistry, Metallurgy

08

J

18/1215, 403/6

C08J 11/00 (2006.01)

Patent

CA 1161598

ABSTRACT OF THE DISCLOSURE The method comprises mixing polymeric materials con- taining a filler with a hydrocarbon solvent in a weight ratio of from 1:0.5 to 1:60. The above mixture is isothermally heated to provide for the thermal decomposition of the polymeric materials and for the formation of a suspension. Low-boiling fractions are distilled from the formed suspension in the pres- ence of an inert gaseous agent at a temperature of 50 to 400°C and a pressure of 1?102 to 1?105 N/m2. The process of the present invention makes it possible to do without scarce or costly materials and at the same time to upgrade the quality of the end product.

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