Pre-activated slurry as rheology additive

Details Pre-activated slurry as rheology additive Pre-activated slurry as rheology additive

C - Chemistry, Metallurgy

08

K

C08K 5/20 (2006.01) C09K 3/10 (2006.01)

Patent

CA 2671612

A pre-activated slurry as rhelogy additive having: A) at least one fatty acid diamide, provided as a powder, said powder having optionally, in addition to the diamide, hydrogenated castor oil, B) at least one organic plasticizer, said plasticizer being a liquid at room temperature. The invention also relates to a specific preparation method of the rheology additive, a composition comprising said additive, a method for preparing said composition, and specific uses and particularly specific coatings obtained from said additive.

L'invention concerne un additif de rhéologie sous forme de pâte pré-activée comprenant : A) au moins un diamide d'acide gras, introduit sous forme de poudre, ladite poudre pouvant optionnellement contenir, en plus du diamide, de l'huile de ricin hydrogénée, B) au moins un plastifiant organique, ledit plastifiant étant liquide à température ambiante. Sont aussi concernés, un procédé spécifique de préparation de cet additif de rhéologie, une composition comprenant ledit additif, un procédé de préparation de ladite composition, et des utilisations spécifiques, et en particulier des revêtements spécifiques obtenus à partir dudit additif.

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