Process for the preparation of pigmentary metallic particles coa

Details Process for the preparation of pigmentary metallic particles coa Process for the preparation of pigmentary metallic particles coa

1975-06-04

1977-05-17

Douglas, Winston A.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106308N, 260 4214, 427216, 427221, 428403, C09C 310

Patent

active

040239810

ABSTRACT:
A pigmentary composition prepared by coating metallic particles of pigment by means of a polymer or copolymer, by covering the polymerization or copolymerization "in situ" of at least one ethylenically unsaturated monomer having at least one oxygen or nitrogen heteroatom, and having a mono- or di-carborylic acid function, or an ester, nitrile or amide function or an N-substituted amide function, or an amine, alcohol or ether function, wherein the polymerization or copolymerization reaction is effected in a medium comprising at least one organic solvent in which the monomer is soluble and in the presence of at least one polymerization catalyst soluble in this medium, the monomer and the proportion thereof being selected so that the polymer or copolymer formed is insoluble in the organic solvent used.

REFERENCES:
patent: 3832209 (1974-08-01), Baker et al.
patent: 3839064 (1974-10-01), Vincent
patent: 3891572 (1975-06-01), Moody et al.

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