Aluminum flake pigment treated with time release corrosion inhib

Details Aluminum flake pigment treated with time release corrosion inhib Aluminum flake pigment treated with time release corrosion inhib

1993-08-31

1994-06-21

Group, Karl

Compositions: coating or plastic

Materials or ingredients

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

106 1421, 106 1444, C09C 162

Patent

active

053225600

ABSTRACT:
The invention is a slightly water-soluble, time release corrosion inhibitor compound for treating aluminum flake pigment. The corrosion inhibitor is the reaction product of a water-soluble metal salt including metals selected from the group consisting of yttrium and rare earth metals and an anionic metal salt including transition metal oxo-complexes and soluble salts of silicon and mixtures thereof. The corrosion inhibitor is useful for preventing hydrogen gassing of aluminum pigment particles. The compound is particularly useful for preventing gassing of bare and chromated aluminum pigment particles in aqueous compositions and in water-borne coating compositions having a basic pH. The pigment particles used in combination with the corrosion inhibitors of the present invention experience significantly less hydrogen gassing in a high pH aqueous environment and in water-borne coating compositions having high pH, than aluminum flake pigment particles and coatings without the corrosion inhibitor. The corrosion inhibitor is also effective when combined with a second corrosion inhibitor, such as a water-soluble salt of yttrium or rare earth metal in a coating composition.

REFERENCES:
patent: 4828615 (1989-05-01), Cape
patent: 4846898 (1989-07-01), Natalie et al.
patent: 4855032 (1989-12-01), Okai et al.
patent: 5039343 (1991-08-01), Umeda et al.
patent: 5093391 (1992-03-01), Barsotti et al.
patent: 5215579 (1993-06-01), Keemer et al.

Affiliated with

Also associated with

Rating

Aluminum flake pigment treated with time release corrosion inhib does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Aluminum flake pigment treated with time release corrosion inhib, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Aluminum flake pigment treated with time release corrosion inhib will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2218461