METHOD FOR MODIFYING RUBBER MIXTURES AND RUBBERS

摘要

The invention relates to a method for modifying rubber mixtures and rubbers of general and specific use based on high-molecular carbon-chain polymers. The rubber mixtures and rubbers are modified with the aid of low-molecular non-saturated polyketones containing carbonyl groups, which are statistically distributed along a polymer chain, and double carbon-carbon bonds. The inventive modification method consists in adding to the rubber mixture said low-molecular non-saturated polyketones in a quantity of 0.5 to 50 mass% of the total quantity of high-molecular polymer and low-molecular non-saturated polyketone. The non-saturated polyketones, used in modification, contain from 0.1 to 16 mass% oxygen in the form of carbonyl groups and have the average molecular weight ranging from 500 to 100 000.