Method for preparing colloidal size particulate

Details Method for preparing colloidal size particulate Method for preparing colloidal size particulate

1985-07-22

1987-07-14

Lovering, Richard D.

Coating processes

Particles, flakes, or granules coated or encapsulated

Solid encapsulation process utilizing an emulsion or...

106308M, 252610, 42840224, 430111, 526909, 526911, B01J 1302

Patent

active

046802002

ABSTRACT:
Colloidal size particles of an organic solid such as a pigment are encapsulated in a hydrophobic addition polymer such as a polymer of styrene by a polymerization process wherein a water-immiscible (hydrophobic) monomer is dispersed in an aqueous colloidal dispersion of the organic particles and subjected to conditions of emulsion polymerization. The resulting encapsulated particles are usefully employed as toners and pigments.

REFERENCES:
patent: 2579908 (1951-12-01), Davison et al.
patent: 3338991 (1967-08-01), Insalaco et al.
patent: 3544500 (1970-12-01), Osmond et al.
patent: 3830750 (1974-08-01), Wellman
patent: 4049604 (1977-09-01), Morehouse, Jr. et al.
patent: 4421660 (1983-12-01), Solc nee Hajna

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