Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Patent
1994-12-20
1996-06-04
Bell, Mark L.
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
106493, 106496, 106497, C08K 500
Patent
active
055229255
ABSTRACT:
Pigment compositions comprising an organic pigment, the particle surface of which is provided with a protective coating, which coating consists of a metal phosphate complex in which the metal is selected from the group consisting of zirconium, titanium and mixtures thereof, and the amount of said coating is 0.5 to 100% by weight, preferably from 0.5 to 40% by weight, most preferably from 5 to 40% by weight, based on the pigment. They are distinguished by excellent properties, in particular by the high gloss of the colorations obtained with them, by superior dispersion stability, heat resistance and by very good rheology of the mill bases or printing inks prepared with them. Plastics pigmented with the novel compositions are also distinguished by superior heat resistance and plastic parts are substantially warp-free.
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patent: 3946134 (1976-03-01), Sherman
patent: 4110492 (1978-08-01), Hayman
patent: 4734137 (1988-03-01), Kasahara et al.
patent: 4880472 (1989-11-01), Bugnon et al.
patent: 5123965 (1992-06-01), Herren et al.
patent: 5274010 (1993-12-01), Bugnon et al.
patent: 5282897 (1994-02-01), Bugnon
patent: 5401780 (1995-03-01), Bugnon et al.
Derwent Abstract 76-26448X/15 of FR 2286179, May 1976.
Bugnon Philippe
Chassot Laurent
Bell Mark L.
Ciba-Geigy Corporation
Hertzog Scott L.
Kovaleski Michele A.
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