Process for producing pigmented resin particles

Details Process for producing pigmented resin particles Process for producing pigmented resin particles

C - Chemistry, Metallurgy

08

J

6/170, 400/7808,

C08J 3/20 (2006.01) C09B 67/00 (2006.01) C09B 67/20 (2006.01) C09D 11/02 (2006.01)

Patent

CA 1103831

Abstract of the Disclosure A process for producing pigmented resin particles which are readily dispersible in fluid ink systems is described. The process involves the steps of milling pigment and cer- tain water-insoluble, alcohol-soluble resins in aqueous medium in the presence of a small amount of certain organic solvents of Class III which have a solubility parameter within the range of the resin and a water solubility of 0.1 to about 5.0 grams/100 grams of water at 20°C., separating the resulting particles from the aqueous medium and recover- ing the particles. - 18 -

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