Composition of rubber usable for the manufacture of tyres, use of a rubber composition and tinanium oxide, process to reinforce a composition of dihenic rubber, rubber article, pneumatic tyre and tyre tread band

摘要

"Rubber composition usable for the manufacture of tyres, the use of a rubber compound and titanium oxide, process for reinforcing a rubber compound diu00eanica,Article of rubber, tyre and tread of the tyre ".Rubber composition usable for the manufacture of tyres, comprising at least (I) an elastomer diu00eanico,(II) a white cargo as a booster charge, and (III) a coupling agent (white cargo / elastomer).Characterized by the fact that the so-called white cargo consists in whole or in part by a titanium oxide having the following characteristics: (a) it contains more than 0.5% by mass of a metal element than the titanium chosen in the group consisting of Al, Fe, Si,Zr or a mixture of such elements; (b) specific surface area bet is between 20 and 200 m2 / g; (c) their average size (by mass) of the particles observed d ~ W ~ is between 20 and 400Nm; (d) speed of desaglomerau00e7u00e3o, noticed 244 , measured in the test in desaglomerau00e7u00e3o under ultrasonic, the 100% power of an ultrasonic probe of 600 W, is more than 2.10 - 2 am u00b9 / s.The use of a rubber composition according to the invention for the manufacture of articles of rubber.Particularly of tyres or semi-finished products for these rubber tyres.The composition of the invention is mainly used for the manufacture of tyres or semi-finished articles colored such as tread or sidewall of the tyre.