Silane diimidic tetracarboxylic perylene dyes

Details Silane diimidic tetracarboxylic perylene dyes Silane diimidic tetracarboxylic perylene dyes

1984-10-22

1986-09-23

Bond, Robert T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546 37, 106 22, 106 23, 106288Q, 8568, 8581, C07D47104, C07F 704, C07F 710

Patent

active

046136673

ABSTRACT:
Silane diimidic tetracarboxylic perylene dyes, the composite pigments obtainable therefrom by means of grafting onto an inorganic substrate, and the processes for preparing same.
The dyes have the general formula: ##STR1## in which R is the residue of a silane group of formula: ##STR2## in which n is 3, 4 or 5; q is 0 or 1, p and m are such integers than when q is 0, p is 3 and m is 0, 1, 2 or 3, and when q is 1, p is 2 and m is 0, 1 or 2; R.sub.2 is an alkyl C.sub.1 -C.sub.4 or a phenyl; R.sub.3 is an alkoxyl C.sub.1 -C.sub.2 ; R.sub.1 may be the same as R or represent an alkyl C.sub.1 -C.sub.6, a cycloalkyl, a phenyl optionally substituted by one or more alkyl or alkoxyl groups C.sub.1 -C.sub.6 or a halogen.
The dyes and the composite pigments obtained from said dyes are utilized in paints, air and stove enamels, in the pigmentation of plastic materials, and in printing inks.

REFERENCES:
patent: 2668815 (1954-02-01), Nawiasky
patent: 2888460 (1959-05-01), Knoche
patent: 4271074 (1981-06-01), Lohhmann
patent: 4458073 (1984-07-01), Marraccini et al.

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