Pigments and use thereof

Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...

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106493, 106494, 106497, 540127, 544 99, 546 32, 546 36, 546 58, 548336, 549232, C08K 504, C08K 516, C08K 534, C08K 536

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049868527

ABSTRACT:
Pigments of the formula I ##STR1## where A is a five- or six-membered aromatic fused or unfused heterocycle which contains one to three hetero atoms from the series consisting of nitrogen and/or oxygen and/or sulfur and which is bonded to the methylene group via a carbon atom, R.sub.1 and R.sub.2 are each hydrogen, alkyl C.sub.1 -C.sub.4, alkylene C.sub.2 or aryl, and together R.sub.1 and R.sub.2 may also be an aliphatic or aromatic ring, R.sub.3 is hydrogen, alkyl C.sub.1 -C.sub.4 hydroxylkyl C.sub.1 -C.sub.3 or alkylene C.sub.2, P is the radical of a polycyclic pigment or a radical of a mix-crystal of polycyclic pigments, and n is a number from 0.0001 to 0.2, are useful for pigmenting high molecular weight materials in the form of plastic materials, melts, spinning solutions, surface coatings, paints, printing inks, baking finishes of the class of the alkyd melamine resin or acrylic melamine resin finishes, two-component coatings based on polyisocyanate-crosslinkable acrylic resins and printing inks based on nitrocellulose.

REFERENCES:
patent: 4256507 (1981-03-01), Kranz et al.
patent: 4310359 (1982-01-01), Ehashi et al.
patent: 4451398 (1984-05-01), Patsh et al.
patent: 4720304 (1988-01-01), Ruff et al.
Derwent Abstract of JP 58-145762 (1983).
Derwent Abstract of JP 58-225159 (1983).
Derwent Abstract of JP 58-225160 (1983).

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