Process for preparation of rubber mixtures containing...

Details Process for preparation of rubber mixtures containing... Process for preparation of rubber mixtures containing...

C - Chemistry, Metallurgy

01

B

C01B 33/12 (2006.01) C08K 3/36 (2006.01) C09C 1/30 (2006.01)

Patent

CA 2640000

Rubber mixtures are prepared by using, alongside the other constituents, pyrogenically prepared silicon dioxide in the form of crusts whose tamped bulk density (to DIN EN ISO 787-11) is from 185 to 700 g/l.

Le procédé selon l'invention consiste à préparer des mélanges de caoutchouc en utilisant en plus des autres constituants, du dioxyde de silicium préparé par pyrogénation sous la forme de croûtes, dont la masse volumique apparente tassée (selon DIN EN ISO 787-11) est comprise entre 185 et 700 g/l.

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