| abstract |
The present invention relates to phenylisopropyl-para-phenylenediamine or di- (ortho-benzamidophenyl) disulfides 0.5 to 2.5 phr and pinetan to 100 phr of granular or fibrous waste rubber powders pulverized to a size of 5 to 60 mesh. Surface treatment agent consisting of 3 to 25 phr of liquid regenerated oil such as oil, tall oil, rubber compounding oil, and at least one metal soap 0.5 to 2.5 phr of stearic acid salt (metal soap) of Ca, Ba, Zn, Cu, Mg and Mn The present invention relates to a method for producing an active rubber powder by adding and reacting at a temperature of 50 to 100 ° C. for 5 to 30 minutes. |