Metal pigments stabilized with carboxy-alkylene phosphoric acid

Details Metal pigments stabilized with carboxy-alkylene phosphoric acid Metal pigments stabilized with carboxy-alkylene phosphoric acid

1986-06-20

1988-01-05

Clingman, A. Lionel

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

1062865, C09C 162, C09D 538, C09D 712

Patent

active

047174242

ABSTRACT:
The invention is concerned with stabilized metal pigments, in particular aluminum pigments, particularly against water and moisture, with improved resistance characteristics in aqueous paints. The stabilization of the metal particles is carried out through treatment with carboxyalkylene phosphoric acid esters, and/or carboxyalkylene phosphonic acids, and/or carboxyalkylene phosphinic acids. The carboxylic group of the compounds can be at least partially neutralized if desired.

REFERENCES:
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patent: 4280960 (1981-07-01), Nonn et al.
patent: 4419134 (1983-12-01), Ishijima et al.
patent: 4453982 (1984-06-01), Wilfinger et al.
patent: 4501615 (1985-02-01), Reeder et al.
patent: 4505748 (1985-03-01), Baxter
patent: 4565716 (1986-01-01), Williams et al.
patent: 4621112 (1986-11-01), Backhouse et al.

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