abstract |
The invention provides alkoxy-crosslinking rubber mixtures (M) which comprise a compound of the general formula (1) M(OR 1 ) n (OSiR 2 n 3 ) 5-n (1) and polymers with end groups of the general formula (2) - SiR 3 n a (OR 4 ) 3-a (2), where M is defined as Nb or Ta, R 1 , R 2 ; R 3 and R 4 are each hydrocarbon radicals having 1 to 10 carbon atoms, n is 1, 2, 3 or 4, and a is 0 or 1. |