Method for vulcanizing caoutchouc or latex by applying a...

C - Chemistry – Metallurgy – 08 – K

Patent

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Details

C08K 3/06 (2006.01) C08K 9/08 (2006.01) C08L 21/00 (2006.01) C08L 81/08 (2006.01) C08L 97/00 (2006.01)

Patent

CA 2489757

The invention relates to a method for vulcanizing caoutchouc or latex by adding a mixture M which contains a component a) from a1) 20 to 96 % by weight of sulfur, a2) 4 to 80 % by weight of a complexing agent, and optionally other additives b) to caoutchouc or latex and then vulcanizing the mixture. The inventive method is characterized in that the average particle size of the primary particles of component a) ranges from 0.05 to 20 ~m.

L'invention concerne un procédé de vulcanisation de caoutchouc ou de latex, qui consiste à ajouter à du caoutchouc ou du latex un mélange M contenant un constituant a), composé a1) de 20 à 96 % en poids de soufre et a2) de 4 à 80 % en poids d'un agent complexant, ainsi qu'éventuellement d'autres additifs b) puis à effectuer la vulcanisation. Ce procédé se caractérise en ce que la taille moyenne des particules primaires du constituant a) est comprise entre 0,05 et 20 ?m.

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