Silanated quinacridone dyes and composite pigments

Details Silanated quinacridone dyes and composite pigments Silanated quinacridone dyes and composite pigments

1986-02-28

1987-08-04

Varbrough, Amelia B.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

8581, 8657, 106288Q, 106309, 546 49, C09C 136

Patent

active

046844082

ABSTRACT:
Silane quinacridone dyes, composite pigments obtainable therefrom by association with an inorganic substrate, and the processes for preparing them. The dyes have the general formula: ##STR1## wherein X is an --SO.sub.2 NHR group, where R is an alkyl group, linear or branched, having from 1 to 6 carbon atoms, a cycloalkyl group, a phenyl group optionally substituted by one or more alkyl or alkoxy groups (C.sub.1 -C.sub.6), a halogen;

REFERENCES:
patent: 4015998 (1977-04-01), Jaffe
patent: 4405729 (1983-09-01), Schweitzer
Chemical Abstract No. 97:164038 x, Japanese patent No. 82/73,029, May 7, 1982.
Chemical Abstract No. 97:31329 w, Japanese patent No. 81/155951, Dec. 2, 1981.
Chemical Abstract No. 81:65308 y, J. Paint Technol., 1974, 46(592), 36-9.
Chemical Abstract No. 106184j, J. Paint Technol., 1973, 45(581) 39-43.
Chemical Abstract No. 79:54946 n, Meguno et al., Farbe Lack, 1973, 79(6), 503-8.

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