NICKEL OR COBALT CHELATE COMPLEX*ITS MANUFACTURE AND VALCANIZABLE ELESTOMER MIXTURE CONTAINING SAID COMPLEX

摘要

The invention provides nickel and cobalt chelate complexes of a nickel or cobalt salt and a succinosuccinate of the formula I (I) , wherein R represents a substituted or unsubstituted hydrocarbon radical of aliphatic or aromatic character. These complexes are excellent adhesion promoters for vulcanized rubber on metal surfaces.