Inorganic pigments with improved gloss and good distribution in

Details Inorganic pigments with improved gloss and good distribution in Inorganic pigments with improved gloss and good distribution in

1980-06-16

1982-03-09

Griffin, Ronald W.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

106262, 106299, 106300, 106308N, 106308Q, 524267, 524247, 524249, C09C 308, C09C 310, C09C 312

Patent

active

043188435

ABSTRACT:
An inorganic pigment exhibiting improved gloss and distribution in lacquer binders, carrying a coating comprising a SiOH-containing organosilicon compound and an alkanolamine. Advantageously the alkanolamine comprises at least one of triethanolamine, triisopropanolamine, diethanolamine, diisopropanolamine and 2-amino-2-methyl-propanol-1, the organosilicon compound is of the formula ##STR1## wherein n>3, R and R.sup.1 each independently is alkyl, cycloalkyl, aryl, alkenyl or a group of the formula ##STR2## wherein m>1, the organosilicon compound having an OH:Si ratio within the range of about 1:1 to 1:20, and the pigment comprises TiO.sub.2 or a titanate carrying an inorganic coating, the organosilicon compound plus alkanolamine ranging from about 0.3 to 1% by weight of the organosilicon compound to alkanolamine ranging from about 1:2 to 1:5.

REFERENCES:
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patent: 3015569 (1962-01-01), Frieser
patent: 3172772 (1965-03-01), Rowe
patent: 3345187 (1967-10-01), Binnis
patent: 3506466 (1970-04-01), Bramekamp et al.
patent: 3536510 (1970-10-01), Allen et al.
patent: 3567680 (1971-03-01), Iannicelli
patent: 3649588 (1972-03-01), Kennedy-Skipton
patent: 3849152 (1974-11-01), Mimeault
patent: 4061503 (1977-12-01), Berger et al.
patent: 4167423 (1979-09-01), Williams

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