Process for the preparation of a cross-linked rubber article

Details Process for the preparation of a cross-linked rubber article Process for the preparation of a cross-linked rubber article

C - Chemistry, Metallurgy

08

K

C08K 3/00 (2006.01)

Patent

CA 2673081

Process for preparing a cross-linked rubber article comprising the steps of: a) applying a sulfur-containing composition to the surface of a pre-shaped peroxide-containing cross-linkable rubber article to provide a sulfur-coated article, and b) cross-linking the rubberby heating the sulfur-coated article, optionally in the presence of air, at a temperature in the range of 80 to 300°C to obtain the cross-linked rubber article.

L'invention concerne un procédé de préparation d'un article en caoutchouc réticulé qui consiste: a) à appliquer une composition contenant du soufre à la surface d'un article préformé en caoutchouc réticulable contenant du peroxyde afin d'obtenir un article enrobé de soufre; et b) à réticuler le caoutchouc en chauffant l'article enrobé de soufre, facultativement en présence d'air, à une température comprise entre 80°C et 300°C afin d'obtenir un article en caoutchouc réticulé.

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