Basic dye ink

Claim 2

Ink composition for printing on paper toweling products which is resistant to ink transfer and has pH of 8.1 to 8.5 and viscosity of 10 to 30 seconds in #2 Zahn cup consisting essentially of an ink concentrate dispersed in an ink vehicle, the ink concentrate is prepared from components consisting essentially of the following in amounts specified on weight percent basis: 69.20--Organic solvent miscible with water; 8.10--basic dye selected from the group consisting of xanthene dyes, diphenyl dyes, diphenyl methane dyes, triaryl methane dyes and mixtures thereof; 3.25--sodium benzoate; 16.20--acidic laking resin selected from the group consisting of phenolic resins, styrene-acrylic-maleic resins and mistures thereof; and 3.25--nonionic surfactant; and the ink vehicle is prepared from components consisting essentially of the following in amounts specified on weight percent basis: 14.25--acrylic binder resin selected from the group consisting of polymers of C 1 to C 4 alkyl acrylates and/or methacrylates with acrylic or methacrylic acid where the acid is in a minor proportion to the total amount of acrylates and methacrylates; 7.35--water; 11.60--C 2 to C 10 alkanol solvent; 0.70--28% ammonium hydroxide; 23.00--divalent or trivalent metal salt of fumaric acid adduct of rosin; 41.00--sulfonated sulfone anionic binder resin; 0.10--silicone defoamer; 2.

Claim 3

00--buffer selected from the group consisting of morpholine, C 2 to

Claim 4

00--buffer selected from the group consisting of morpholine, C 2 to

Claim 5

C 6 alkanol amines, and mixtures thereof. 2. Composition of claim 1 including sufficient amount of water for thinning the composition to the stated viscosity and sufficient amount of a basic substance selected from the group consisting of morpholine, C 2 to C 6 alkanol amines and mixtures thereof for adjusting pH of the composition to the stated range.

Claim 6

Composition of claim 2 including 4 to 8% of a zinc solution containing zinc oxide dissolved in ammonia for imparting alcohol resistance thereto; the defoamer being selected from the group consisting of silicone defoamers; and the metal in the adduct is aluminum.

Claim 7

An ink composition for printing on paper products having viscosity of 10 to 30 seconds in #2 zahn cup which is resistant to ink transfer and has pH of about 8 to 9 comprising an ink vehicle and an ink concentrate dispersed therein, the ink concentrate is prepared by mixing the following components in amounts specified on weight percent basis: 55-85 organic solvent miscible with water; 3-15 basic dye selected from the group consisting of xanthene dyes, diphenyl dyes, diphenyl methane dyes, triaryl methane dyes and mixtures thereof; 0.5-10 benzoic acid or alkali metal salt thereof; 2-50 acidic laking resin selected from the group consisting of phenolic resins, styrene-acrylic-maleic resins and mixtures thereof; 0.5-10 nonionic surfactant; and the ink vehicle is prepared by mixing the following components in amounts specified on weight percent basis; 5-30 acrylic binder resin selected from the group consisting of polymers of C 1 to C 4 alkyl acrylates and/or methacrylates with acrylic or methacrylic acid where the acid is in a minor proportion to the total amount of acrylates and methacrylates; 1-15 water; - 25C 2 to C 10 alkanol; 0.05-2 base selected from the group consisting of ammonium hydroxide, morpholine, C 2 to C 6 alkanol amines, and mixtures thereof; 10-40 divalent or trivalent metal salt of an unsaturate aliphatic acid adduct of rosin; 20-60 sulfonated sulfonic anionic binder resin; 0.01-1 defoamer; 0.1-10 buffer selected from the group consisting of morpholine, C 2 to C 6 alkanol amines and mixtures thereof.

Claim 8

An ink composition for printing on paper products having viscosity of 10 to 30 seconds in #2 zahn cup which is resistant to ink transfer and has pH of about 8 to 9 comprising an ink vehicle and an ink concentrate dispersed therein, the ink concentrate is prepared by mixing the following components in amounts specified on weight percent basis: 55-85 organic solvent miscible with water; 3-15 basic dye selected from the group consisting of xanthene dyes, diphenyl dyes, diphenyl methane dyes, triaryl methane dyes and mixtures thereof; 0.5-10 benzoic acid or alkali metal salt thereof; 2-50 acidic laking resin selected from the group consisting of phenolic resins, styrene-acrylic-maleic resins and mixtures thereof; 0.5-10 nonionic surfactant; and the ink vehicle is prepared by mixing the following components in amounts specified on weight percent basis; 5-30 acrylic binder resin selected from the group consisting of polymers of C 1 to C 4 alkyl acrylates and/or methacrylates with acrylic or methacrylic acid where the acid is in a minor proportion to the total amount of acrylates and methacrylates; 1-15 water; - 25C 2 to C 10 alkanol; 0.05-2 base selected from the group consisting of ammonium hydroxide, morpholine, C 2 to C 6 alkanol amines, and mixtures thereof; 10-40 divalent or trivalent metal salt of an unsaturate aliphatic acid adduct of rosin; 20-60 sulfonated sulfonic anionic binder resin; 0.01-1 defoamer; 0.1-10 buffer selected from the group consisting of morpholine, C 2 to C 6 alkanol amines and mixtures thereof.

Claim 9

Composition of claim 4 wherein the ink concentrate is prepared from the following components in amounts specified: 65-75 organic solvent 5-10 basic dye 1-6 sodium benzoate 5-30 acidic laking resin 1-5 nonionic surfactant and the ink vehicle is prepared from the following components in amounts specified: 10-20 acrylic binder resin 3-10 water 6-17 C 2 to C 10 alkanol 0.1-1 ammonium hydroxide 15-30 metal salt of an acid adduct of rosin 30-50 sulfonated sulfone resin 0.05-0.5 defoamer 0.5-4 morpholine or C 2 to C 6 alkanol amine.

Claim 10

Composition of claim 4 wherein the basic dye is selected from the group consisting of Auramine OSS, Auramine FWA, Rhodamine B Extra, Rhodamine F5G, Victoria Blue B, Astrazin Blue G, Astra Phloxine G and Astrazon Golden yellow GRL.

Claim 11

Composition of claim 4 including sufficient amount of water for thinning it to the viscosity of 15 to 25 seconds and sufficient amount of the buffer to adjust pH of the composition to the range of 8.1 to 8.5; the organic solvent being selected from the group consisting of diethylene glycol monobutyl ether, diethylene glycol monomethyl ether, tripropylene glycol monoethyl ether and mixtures thereof.

Claim 12

Composition of claim 7 including 4 to 8% of a zinc solution containing zinc oxide dissolved in ammonia for imparting alcohol resistance thereto; the defoamer being selected from the group consisting of silicone defoamers; and the metal in the adduct is aluminum.