Treated clay product, methods of making and using and...

Details Treated clay product, methods of making and using and... Treated clay product, methods of making and using and...

C - Chemistry, Metallurgy

09

C

C09C 1/42 (2006.01) C04B 20/10 (2006.01) C08K 3/34 (2006.01) C08K 9/04 (2006.01) C08K 9/06 (2006.01) C08K 13/06 (2006.01) C08L 21/00 (2006.01)

Patent

CA 2233750

An improved finely divided rubber-reinforcing clay mineral composition can be produced by employing a hydrous kaolin clay surface treated with a functional silane, a methylene donor compound such as hexamethylenetetramine, and a multifunctional methylene acceptor such as resorcinol. A novel process of preparation is provided. The improved reinforcing, treated clay filler can be combined with natural or synthetic elastomer compositions which can be cured to elastomer products which have improved physical properties, such as modulus, tensile, tear, wear resistance and/or resistance to heat build-up.

Une composition minérale argileuse améliorée, renforcée de caoutchouc finement divisé, peut être produite à partir d'une surface de kaolinton hydraté, traitée avec un silane fonctionnalisé, un composé donneur de méthylène, comme l'hexaméthylènetétramine, et un accepteur multifonctionnel de méthylène, comme le résorcinol. On donne une nouvelle méthode de préparation. La charge d'argile traitée, renforcée et améliorée, peut être combinée avec des compositions élastomères, naturelles ou synthétiques, réticulables en produits élastomères aux propriétés physiques améliorées, notamment en ce qui concerne la résistance à la rupture, à la traction, à la déchirure et à l'usure, et (ou) la résistance à l'accumulation de chaleur.

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