C - Chemistry – Metallurgy – 09 – C
Patent
C - Chemistry, Metallurgy
09
C
6/206, 400/5301,
C09C 3/12 (2006.01) C08K 5/54 (2006.01)
Patent
CA 1163037
A TRACT OF THE DISCLOSURE An inorganic pigment exhibiting improved gloss and distribution in lacquer binders, carrying a coating com- prising a-SiOH-containing organosilicon compound and an aklanolamine. Advantageously the alkanolamine comprises at least one of triethanolamine, triisopropanolamine, diethanolamine, diisopropanolamine and 2-amino-2-methyl-propanol-1, the organo- silicon compound is of the formula Image wherein n>3, R and R1 each independently is alkyl, cycloalkyl, aryl, alkenyl or a group of the formula Image herein m>1, the organosilicon compound having an OH:Si ratio within the range of about 1:1 to 1:20, and the pigment comprises T1O2 or a titanate carrying an inorganic coating, the organo- silicon 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.
354591
Bayer Eckhard
Kohler Klaus
Nollen Klaus
Sander Hans
Stutgens Heribert
Fetherstonhaugh & Co.
Kerr-Mcgee Pigments Gmbh & Co. Kg
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