Weathering-resistant pearlescent pigments

Details Weathering-resistant pearlescent pigments Weathering-resistant pearlescent pigments

1984-09-21

1985-10-01

Lieberman, Paul

Compositions: coating or plastic

Materials or ingredients

106292, 106308B, 106308Q, 427214, 428405, 428407, C09C 312, C09D 1700

Patent

active

045444153

ABSTRACT:
Pearlescent pigments having improved weathering resistance are based on mica flakes coated with metal oxides, these pigments possessing on top of the coat of metal oxide a topcoat which contains a polysiloxane and a rare earth metal compound.

REFERENCES:
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patent: 3711308 (1973-01-01), Brand et al.
patent: 3867178 (1975-02-01), Ritter et al.
patent: 3874890 (1975-04-01), Bernhard et al.
patent: 4084983 (1978-04-01), Bernhard et al.
patent: 4086100 (1978-04-01), Esselborn et al.
patent: 4146403 (1979-03-01), Armanini et al.
patent: 4233366 (1980-11-01), Sample, Jr. et al.
patent: 4456486 (1984-06-01), Bernhard
patent: 4457784 (1984-07-01), Bernhard

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