Method of producing aggregated composite pigments using organic

Details Method of producing aggregated composite pigments using organic Method of producing aggregated composite pigments using organic

1994-03-25

1995-10-17

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106416, 106442, 106464, 106465, 106468, 106486, 428454, 501141, 501144, 501145, 501146, 501147, 501148, 501149, C09C 312, C08K 334, C08K 908, C08K 906

Patent

active

054586801

ABSTRACT:
An improved process for producing a aggregated composite pigment having desired physical and optical characteristics when used as a coating, filler or pigment in paper. The aggregated pigment is produced by contacting a substantially dry fine particle size mixture of kaolin and one or more additional feed minerals with a previously hydrolyzed organic silicon compound, such as hydrolyzed tetraethoxysilane, and then recovering the aggregated composite pigment.

REFERENCES:
patent: 3364059 (1968-01-01), Marzocchi
patent: 3567680 (1971-03-01), Iannicelli
patent: 3834924 (1972-06-01), Grillo
patent: 3894882 (1975-07-01), Takewell et al.
patent: 4026762 (1977-05-01), Bauman
patent: 4028173 (1977-06-01), Olson
patent: 4381948 (1983-05-01), McConnell et al.
patent: 4818294 (1989-04-01), Raythatha et al.
patent: 4826536 (1989-05-01), Raythatha et al.
patent: 4935062 (1990-06-01), Brown et al.

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