Patent GB-830872-A (GB)
Title: Compositions for printing and dyeing textiles
IPC: D06P1/44
Filed: 1958-03-05
Abstract: Textiles are pad-dyed or printed with an oil-in-water emulsion comprising an organic or inorganic pigment in aqueous dispersion, a water-immiscible and organic-solvent-soluble thermosetting amino-aldehyde resin in organic solvent solution, a protective colloid, an emulsifying agent, an aqueous dispersion of an interpolymer of a monomer mixture comprising 30-80 parts of acrylonitrile, 2-15 parts of acrylic, methacrylic, ethacrylic, phenylacrylic or crotonic acid and 15-65 parts of an ester of an a -olefinic mono-carboxylic acid of the above group with a saturated aliphatic monohydric alcohol of 1-8 carbon atoms per 100 parts by weight of total monomer, emulsified water-immiscible hydrocarbon solvents, and an inorganic base, the dry weight of the interpolymer being between 1 and 5 times the dry weight of the pigment and the proportion on a dry weight basis of the amino-aldehyde resin to 100 parts of the interpolymer being between 5 and 30.  In a modification, the interpolymer dry weight content is between 0.3 to 2% of the composition and the amino-aldehyde resin solid content ratio to 100 parts of interpolymer solids content is increased up to 70 parts by weight. Specified amino-aldehyde resins are butylated urea- or melamine-formaldehyde condensates.  Specified protective colloids are methyl cellulose, carboxymethyl cellulose, hydroxyethyl cellulose, starch, carboxymethyl starch, hydroxypropyl starch, dextrin, carrageen moss, gum tragacanth, locust bean gum, guar gum, casein, egg or blood albumin, gelatine, zein, gluten, alginic acid salts, polyacrylic acid salts, salts of maleic acid-styrene adducts, polyvinyl alcohol and polyvinyl pyrrolidone.  Specified emulsifying agents are the ammonium, morpholine, ethanolamine or alkali metal salts of oleic, stearic, lauric, undecylenic or palmitic acids, various hydroxy fatty acids, various unsaturated fatty acids, ammonium or alkali metal salts of fatty alcohol sulphates or of alkylbenzene or alkylnaphthalene sulphonates and their formaldehyde condensation products and the polyoxyethylene derivatives of fatty acids, of fatty alcohols, of substituted phenols or of soya lecithin. Specified hydrocarbon solvents are various aliphatic and aromatic hydrocarbons such as mineral spirits, kerosene, turpentine, toluol and xylol, and these solvents may also be used as the solvent for the amino-aldehyde resin.  The interpolymers are those described in Specification 761,928.  The pad-dye liquor may also contain water-soluble amino-aldehyde resins.  Numerous examples are given.ALSO:An oil-in-water emulsion for pad-dyeing or printing textiles comprises an organic or inorganic pigment in aqueous dispersion, a waterimmiscible and organic-solvent-soluble thermosetting amino-aldehyde resin in organic solvent solution, a protective colloid, an emulsifying agent, an aqueous dispersion of an interpolymer of a monomer mixture comprising 30-80 parts of acrylonitrile, 2-15 parts of acrylic, methacrylic, ethacrylic, phenylacrylic or crotonic acid and 15-65 parts of an ester of an a -olefinic mono-carboxylic acid of the above group with a saturated aliphatic monohydric alcohol of 1-8 carbon atoms per 100 parts by weight of total monomer, emulsified waterimmiscible hydrocarbon solvents, and an inorganic base, the dry weight of the interpolymer being between 1 and 5 times the dry weight of the pigment and the proportion on a dry weight basis of the amino-aldehyde resin to 100 parts of of the interpolymer being between 5 and 30.  In a modification, the interpolymer dry weight content is between 0.3 to 2% of the composition and the amino-aldehyde resin solid content ratio to 100 parts of interpolymer solids content is increased up to 70 parts by weight. Specified amino-aldehyde resins are butylated urea- or melamine - formaldehyde condensates.  Specified protective colloids are methyl cellulose, carboxy-methyl cellulose, hydroxyethyl cellulose, starch, carboxy-methyl starch, hydroxypropyl starch, dextrin, carrageen moss, gum tragacanth, locust bean gum, guar gum, casein, egg or blood albumin, gelatine, zein, gluten, alginic acid salts, polyacrylic acid salts, salts of maleic acid-styrene adducts, polyvinyl alcohol and polyvinyl pyrrolidone.  Specified emulsifying agents are the ammonium, morpholine, ethanolamine or alkali metal salts of oleic, stearic, lauric, undecylenic or palmitic acids, various hydroxy fatty acids, various unsaturated fatty acids, ammonium or alkali metal salts of fatty alcohol sulphates or of alkylbenzene or alkylnaphthalene sulphonates and their formaldehyde condensation products and the polyoxyethylene derivatives of fatty acids, of fatty alcohols, of substituted phenols or of soya lecithin. Specified hydrocarbon solvents are various aliphatic and aromatic hydrocarbons such as mineral spirits, kerosene, turpentine, toluol and xylol, and these solvents may also be used as the solvent for the amino-aldehyde resin.  The interpolymers are those described in Specification 761,928.  The pad-dye liquor may also contain water-soluble amino-aldehyde resins.  Numerous examples are given. The amino-aldehyde resin in combination with the acrylic interpolymer gives rise to water- and solvent-insoluble films.