Process for the manufacture of a pigment composition in bead for

Details Process for the manufacture of a pigment composition in bead for Process for the manufacture of a pigment composition in bead for

1977-10-03

1979-11-27

Rutledge, L. Dewayne

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106308Q, 106308N, 106308F, 106308M, 260 18R, 260 23R, 260 21, 264117, C09C 300

Patent

active

041759796

ABSTRACT:
A process for the production of a pigment composition in bead form which comprises contacting with agitation, in the presence of an aqueous protective colloid, 1 part of a water insoluble carrier melting below 100.degree. C. and an aqueous dispersion containing 0.25-2,3 parts of a pigment or water insoluble dyestuff at a temperature above the melting point of the carrier and allowing the aqueous phase to become substantially free of pigment or water insoluble dyestuff by its association with the carrier and recovering the resulting pigmented beads which are easily dispersible in polymeric compounds to yield even colorations.

REFERENCES:
patent: 2776267 (1967-01-01), Weber et al.
patent: 3368992 (1968-02-01), Altermatt
patent: 3449291 (1969-06-01), Lerman et al.
patent: 3642650 (1972-02-01), McIntosh
patent: 3730750 (1973-05-01), Fabian
patent: 3856699 (1974-12-01), Miyano et al.
patent: 4015999 (1977-04-01), Robertson et al.
"The American College Dictionary", Random House, New York, 1947, p. 953.
"The American Heritage Dictionary of the English Language", Houghton Mifflin Co., Boston, p. 382.

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