SOLE COMPOSITION WITH REDUCED GUM-CONTENT IN THE SHOE-INDUSTRY AND PROCESS FOR ITS PRODUCTION

摘要

Shoe soling compsns. with reduced rubber content are obtd. by replacing 5-10wt.% of the rubber component with rubber compatible atactic polypropylene. The prepn. of the mixt. and its processing is performed on internal mixers, rubber mills and vulcanising presses used in the rubber industry.