Antiloading compositions and methods of selecting same

Details Antiloading compositions and methods of selecting same Antiloading compositions and methods of selecting same

B - Operations, Transporting

24

D

B24D 3/20 (2006.01)

Patent

CA 2542191

An antiloading composition includes a first organic compound. The compound has a water contact angle criterion that is less than a water contact angle for zinc stearate. The first compound also satisfies at least one condition selected from the group consisting of a melting point Tmelt greater than about 40 ~C, a coefficient of friction F less than about 0.3, and an antiloading criterion P greater than about 0.3. Another embodiment includes a second organic compound, having a different water contact angle from that of the first organic compound. The composition has a particular water contact angle Wop that is determined, at least in part, by the independent Wog of each compound and the proportion of each compound in the composition. Also, an abrasive product includes the antiloading composition. A method of grinding a substrate is disclosed that includes employing effective amount of an antiloading composition. Further disclosed is a method of selecting an antiloading compound.

L'invention concerne une composition anti-encrassement qui comprend un premier composé organique. Ce composé possède un critère d'angle de contact avec l'eau inférieur à un angle de contact avec l'eau pour stéarate de zinc. Ce premier composé satisfait également au moins une condition choisie dans le groupe comprenant un point de fusion T¿melt? supérieur à environ 40 ·C, un coefficient de friction F inférieur à environ 0,3, et un critère anti-encrassement P supérieur à environ 0,3. Un autre mode de réalisation comprend un deuxième composé organique possédant un angle de contact avec l'eau différent de celui du premier composé organique. Cette composition possède un angle de contact avec l'eau particulier W?o¿¿p? qui est déterminé, du moins en partie, par l'angle W?o¿¿g?indépendant de chaque composé et la proportion de chaque composé dans la composition. L'invention concerne en outre un produit abrasif comportant cette composition anti-encrassement. L'invention concerne encore un procédé de meulage d'un substrat, lequel comprend l'utilisation d'une quantité efficace d'une composition anti-encrassement. Enfin, l'invention concerne un procédé permettant de choisir un composé anti-encrassement.

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