Patent GB-763216-A (GB)
Title: Process for preventing the electric charging of textile materials
IPC: D06M13/402
Filed: 1954-07-09
Abstract: Alkylene oxide addition products are prepared of organic carboxylic acid alkanolamides.  The alkylene oxide may be ethylene or propylene oxide or glycide and from 2 to 20 alkylene oxide groups may be added to the alkanolamide.  The acids used in the formation of the carbon alkanolamide may be a fatty acid or mixture of fatty acids having about 6 to 18 atoms per molecule, a naphthenic acid, a resin acid or an alkylated aromatic acid, and the acid may be amidated with monoethanolamine.  In examples: (1) 4 molecules of ethylene oxide are added to 1 molecule of the monoethanolamide of coconut oil fatty acids; (2) 4 molecules of ethylene oxide are added to 1 molecule of stearic acid monoethanolamide.  Specification 763,215 is referred to.ALSO:Textile materials are treated with an alkylene oxide addition product of a carboxylic acid alkanolamide, which may be an addition product of ethylene oxide, propylene oxide or glycide and an amide derived from monoethanolamine and a fatty acid having from 6 to 18 carbon atoms, naphthenic acid, resin acids, or an alkylated aromatic acid wherein from 2 to 20 alkylene oxide molecules are introduced into each ethanolamide molecule.  The material may be treated at the same time or subsequently with an aqueous emulsion of wool fat, bees' wax, spermaceti, a liquid wax derived from an animal oil, or a liquid or solid wax obtained by esterifying a high molecular weight fatty acid with a high molecular weight fatty alcohol, e.g. oleyl oleate, or a fatty or wax alcohol having a straight or branched chain having 12 to 28 carbon atoms, or mixtures thereof.  The aqueous emulsion may be obtained with the aid of an alkyl sulphate or sulphonate, alkylbenzene sulphonate, a sulphonation product of a fatty acid, a fatty acid ester or amide or their corresponding water-soluble salts, an ethylene oxide addition product of a high molecular weight alcohol, mercaptan, amine or carboxylic acid or an amide of carboxylic or sulphonic acid.  The treatment may be effected during the processing of continuous filaments or may be applied to staple fibres or during knitting or weaving processes or to the finished dyed article.  The textile materials may be composed of cellulose acetate, cellulose ethers, polyesters, polyamides, polyisocyanates, polyvinyl chloride or acetate, polyacrylic acid esters, polyacrylonitrile, natural silk or wool.  In examples, (1) polyamide staple fibre is impregnated with an aqueous emulsion comprising the addition product from 4 moles of ethylene oxide and 1 mole of the monoethanolamide of coconut oil fatty acids, wool fat and, as emulsifying agent, the addition product of about 5 to 10 moles of ethylene oxide with 1 mole of oleyl alcohol; (2) polyamide staple fibre is impregnated with an aqueous emulsion comprising the addition product of 4 moles of ethylene oxide and 1 mole of stearic acid monoethanolamide, a stearin-containing wax ester obtained from the unsaponifiable residue obtained in the distillation of natural cracked fatty acids and the sodium salt of a sulphuric acid ester of oleic acid; (3) a mixture of the emulsions of examples (1) and (2) to which is added an aqueous emulsion of paraffin oil is applied to acetate rayon. Specification 763,215 is referred to.