Inner salts based on ammonium and sulfonate groups of perylene-3

Details Inner salts based on ammonium and sulfonate groups of perylene-3 Inner salts based on ammonium and sulfonate groups of perylene-3

1992-03-20

1993-09-28

Higel, Floyd D.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

106236, 106241, 106490, 106209, 106176, 106 22H, 523101, 524 90, 546 37, C09B 562, C09B 5708, C09B 6720, C09B 6722

Patent

active

052487741

ABSTRACT:
Perylenetetracarboxylic diimides which contain a radical in the same molecule on one imide nitrogen which acts as an anion but contain a radical on the other imide nitrogen which acts as a cation, and on this basis form inner salts, are available by reaction of sulfo-containing alkylamines with perylenetetracarboxylic monoanhydride monoalkylaminoalkylimides or by reaction of alkylaminoalkylamines with perylenetetracarboxylic monoanhydride monosulfoalkylimides. As a result of their characteristic structural principle, these novel perylene compounds have excellent dispersing properties, in particular for pigments of the same chemical classes of compounds and can even be used themselves as pigments (colorants) depending on the substituent.

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