Aluminum pigments

Details Aluminum pigments Aluminum pigments

1994-11-04

1996-07-30

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106479, C09C 162

Patent

active

055407684

ABSTRACT:
An aluminum pigment which comprises aluminum flakes wherein the surfaces of the flakes are coated with a film of molybdic acid in an amount of from 0.1 to 10% by weight in terms of Mo metal based on the weight of aluminum, and a phosphoric ester resulting from an esterification reaction of a multifunctional epoxy compound with a phosphoric compound is adsorbed to said film in an amount of from 0.05 to 5% by weight in terms of P element based on the weight of aluminum. The aluminum pigment is excellent in paint stability as well as color tone, adhesion and moisture resistance of paint films.

REFERENCES:
patent: 4621112 (1986-11-01), Backhouse et al.
patent: 4717424 (1988-01-01), Wilfinger et al.
patent: 5028639 (1991-07-01), Treutlein et al.
patent: 5057156 (1991-10-01), Kuwajima et al.
patent: 5151125 (1992-09-01), Kuwajima et al.
patent: 5320673 (1994-06-01), Carpenter
EPO Search Report Dec. 21, 1994.
Database WPI, Week 9252, Derwent Publications Ltd., London, Great Britain; AN92-426415 & JP-A-4 318 181 (Nippon Paint) 9 Nov. 1992 *Abstract*.
Database WPI, Week 8513, Derwent Publications Ltd., London, Great Britain; AN 85-077465 & JP-A-60 029 401 (Pentel) 14 Feb. 1985 *abstract*.

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