Dispersions containing homopolymers or copolymers of hydroxy...

Details Dispersions containing homopolymers or copolymers of hydroxy... Dispersions containing homopolymers or copolymers of hydroxy...

B - Operations, Transporting

01

F

B01F 17/36 (2006.01) C08G 63/06 (2006.01) C09K 8/24 (2006.01) C09K 8/32 (2006.01)

Patent

CA 2327422

The invention relates to dispersions containing an oil and an aqueous phase, at least one dispersed solid and optionally other auxiliary agents, characterized in that the dispersion contains homopolymers or copolymers as a rheological additive which are obtained by condensing ricinoleic acid with the same or in the presence of hydroxy carboxylic acids of formula (I) HO-X-CO-OH or the cyclized derivatives thereof, whereby X represents a linear or branched saturated alkyl radical with 1-23 carbon atoms.

L'invention concerne des dispersions contenant une phase huileuse et une phase aqueuse, au moins un solide en dispersion, ainsi qu'éventuellement d'autres additifs. Ces dispersions se caractérisent en ce qu'elles contiennent comme additif rhéologique, des homo- ou des copolymères, obtenus par condensation d'acide ricinoléique seul ou en présence d'acides hydroxycarboxyliques de la formule (I) HO-X-CO-OH ou de leurs dérivés à cycle fermé, X désignant un reste alkylène saturé linéaire ou ramifié ayant entre 1 et 23 atomes de carbone.

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