Methine colorants and washable ink compositions containing methi

Details Methine colorants and washable ink compositions containing methi Methine colorants and washable ink compositions containing methi

1989-09-21

1991-01-01

Group, Karl

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

558403, 560251, 560252, C09H 1102, C07C 6702

Patent

active

049815164

ABSTRACT:
A washable ink composition is provided which is an aqueous mixture containing water soluble, ester-terminated, poly(alkyleneoxy)-substituted methine colorant of the formula: ##STR1## wherein: AR is an unsubstituted or substituted aromatic or hetero-aromatic group; X is nitrogen or oxygen; R is unsubstituted or substituted straight or branched alkylene of 2-4 carbons or mixtures thereof; R.sub.1 is H or an unsubstituted or substituted alkyl, cycloalkyl or phenyl moiety containing one to about 10 carbons, or a group of the formula: ##STR2## wherein: R.sub.3 is H or alkyl of one to about ten carbons, and d is zero when X is oxygen and one when X is nitrogen; R.sub.2 is hydrogen or alkyl of one to about five carbons; a and b are each an integer independently selected from one to about forty wherein a+b is an integer of from about 6 to about 80; and Z is a divalent vinylic carbon atom which is covalently bonded to a group or moiety including any of cyano, vinyl carbon, sulfide, sulfoxide, sulfone, allylic oxygen, thiocyano, or carbonyl which is not part of an amide, carboxylic acid or carboxylic acid salt moiety.

REFERENCES:
patent: 3846141 (1974-11-01), Ostergren et al.
patent: 4167510 (1979-09-01), Brendle
patent: 4703113 (1987-11-01), Baxter et al.
patent: 4877411 (1989-10-01), Hines et al.

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