Rubber mixtures containing polysulphide polyether silanes

Details Rubber mixtures containing polysulphide polyether silanes Rubber mixtures containing polysulphide polyether silanes

C - Chemistry, Metallurgy

08

L

C08L 21/00 (2006.01) C08G 65/334 (2006.01) C08G 65/336 (2006.01) C08J 3/24 (2006.01) C08K 5/54 (2006.01) C08K 5/548 (2006.01)

Patent

CA 2231302

The rubber mixtures according to the invention, containing at least one rubber, a filler, optionally additional rubber auxiliaries and at least one polysulphide polyether silane corresponding to the formula R1R2R3Si-X1-(-Sx- polyether-)m-(-Sx-X2-SiR1R2R3)n (I), are used for the preparation of rubber vulcanisates, from which in particular tyres having a low rolling resistance associated with a good wet skid resistance and ahigh abrasion resistance can be produced.

Les mélanges de caoutchouc conformes à la présente invention, contenant au moins un caoutchouc, une charge, facultativement des substances auxiliaires du caoutchouc et au moins un silane de polyéther-polysulfure correspondant à la formule R1R2R3Si-X1-(-Sx-polyéther)m-(-Sx-X2-SiR1R2R3)n (I) entrent dans la préparation de vulcanisats de caoutchouc permettant de produire des pneus particuliers possédant une faible résistance au roulement associée à une bonne résistance au dérapage sur surface mouillée et à une résistance élevée à l'abrasion.

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