Patent ID: 6268421
Filing Date: 2001-07-31
Classification: B60C,C08K

Abstract:
A reinforcement additive, comprising a mixture of:a) 5 to 70 parts by weight of one or more oligomeric and/or polymeric silanes of the formula: ##STR14##wherein R.sup.1 is a saturated or unsaturated, branched or unbranched, substituted or unsubstituted at least trivalent hydrocarbon group having 2-20 carbon atoms, containing at least two carbon-sulfur bonds,R.sup.2 and R.sup.3 are, independently, saturated or unsaturated, branched or unbranched, substituted or unsubstituted hydrocarbon groups having 1-20 carbon atoms, halogen, hydroxy, hydrogen or a group of the formula (II) or (III): ##STR15##wherein R.sup.2 is as defined above and n=1-3, m=1-1,000, p=1-15, q=1-3 and x=1-8; andb) 30-95 parts by weight of semiactive, active or highly active carbon black.