Inorganic pigments with improved gloss and distribution in lacquer binders
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United States of America Patent
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-
Mar 9, 1982
Grant Date -
N/A
app pub date -
Jun 16, 1980
filing date -
Jun 20, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An inorganic pigment exhibiting improved gloss and distribution in lacquer binders, carrying a coating comprising a polyhydrogen siloxane and an alkanolamine. Advantageously the alkanolamine comprises at least one of triethanolamine, triisopropanolamine, diethanolamine, diisopropanolamine and 2-amino-2-methyl-propanol-1, the polyhydrogen siloxane is a polymethylhydrogen siloxane having more than 5 Si atoms, and the pigment comprises TiO.sub.2 or a titanate carrying an inorganic coating, the polyhydrogen siloxane plus alkanolamine ranging from about 0.3 to 1% by weight of the pigment and the ratio by weight of the polyhydrogen siloxane to alkanolamine ranging from about 1:2 to 1:5.
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