abstract |
The invention provides alkoxy-crosslinking rubber mixtures (M) which comprise a compound of the general formula (1) M(OR1)n(OSiR23)5-n (1) and polymers with end groups of the general formula (2) —SiR3a(OR4)3-a (2), where M is defined as Nb or Ta, R1, R2; R3 and R4 are each hydrocarbon radicals having 1 to 10 carbon atoms, n is 1, 2, 3 or 4, and a is 0 or 1. |