Compositions: coating or plastic – Materials or ingredients – Miscellaneous
Patent
1974-10-09
1976-05-04
Douglas, Winston A.
Compositions: coating or plastic
Materials or ingredients
Miscellaneous
106302, 106288B, C09C 120
Patent
active
039544966
ABSTRACT:
Dense silica-encapsulated aluminum flake pigment in aqueous suspension is treated with a carboxylic chromic chloride. Such treated pigment is stabilized against gassing when in contact with water. Aqueous-based coating compositions containing such pigment exhibit improved storage stability.
REFERENCES:
patent: 2524803 (1950-09-01), Iler
patent: 2885366 (1959-05-01), Iler
patent: 3798045 (1974-03-01), Jackson
Douglas Winston A.
E. I. Du Pont de Nemours and Company
Howard J. V.
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