| abstract |
Rubber composition comprising (A) at least one rubber selected from sulphur vulcanizable rubbery elastomers, (B) silica, (C) at least one non-ionic surfactant (C) that is selected from compounds according to general formula (I a) R 1 -CH(OH)-CH 2 -O-(AO) x -R 2 (I a) and from compounds according to general formula (I b) R 1 -CH(OH)-CH 2 -O-(AO) x -A 1 -O-(AO) y -CH 2 -CH(OH)-R 1 (I b) and from compounds according to general formula (I c) R 1 -CO-NH-CH 2 -CH 2 -O-(AO) x -CH 2 -CH 2 -NH-CO-R 1 (I c) wherein R 1 are same or different and selected from C 4 -C 30 -alkyl, straight-chain or branched, and from C 4 -C 30 -alkylene, straight-chain or branched, with at least one C-C double bond, R 2 are same or different and selected from C 1 -C 30 -alkyl, straight-chain or branched, and from C 2 -C 30 -alkylene, straight-chain or branched, with at least one C-C double bond, A 1 is selected from C 2 -C 10 -alkylene, straight chain or branched, x, y same or different and selected from 10 to 50, AO is selected from identical or different alkylene oxides, selected from CH 2 -CH 2 -O, (CH 2 ) 3 -O, (CH 2 ) 4 -O, CH 2 CH(CH 3 )-O, CH(CH 3 )-CH 2 -O- and CH 2 CH(n-C 3 H 7 )-O. |