Defoamer emulsion compositions for pulp mill applications

Details Defoamer emulsion compositions for pulp mill applications Defoamer emulsion compositions for pulp mill applications

C - Chemistry, Metallurgy

08

K

C08K 5/00 (2006.01)

Patent

CA 2589496

An oil-in-water emulsion useful as a defoamer for pulp and paper mill applications is described. The defoamer has an oil blend (of a triglyceride oil or a mixture of triglyceride oils and silicone), a stabilizing agent (to make the oil blend stable in the emulsion), hydrophobic silica particles, surfactants, dispersants, and other components. The emulsion is usable directly at low concentrations to control foam.

La présente invention a trait à une émulsion huile dans eau utile comme agent anti-mousse pour des utilisations dans la fabrication de papier et de pâte. L'agent anti-mousse comporte un mélange d'huile (d'une huile triglycéride ou un mélange d'huiles triglycéride et de silicone), un agent stabilisateur (pour rendre le mélange d'huile stable dans l'émulsion), des particules de silice hydrophobes, des agents de dispersion, et d'autres constituants. L'émulsion est utilisable directement à de faibles concentrations pour le contrôle de mousse.

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