Composition for use in the dyeing of polyester fibers
AssigneeCiba-Geigy Corporation
InventorsCyril Hobday, Ian Michael Price
Life of this patent
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Abstract
A new non-foaming composition which is useful for a substantially crease-free dyeing of polyester fibers and comprises a dyeing assistant and a surface-active glyceride.
Claims10
A composition for use in the substantially crease-free dyeing of polyester fibres, said composition comprising a dyeing assistant, which is a phenoxy alkanol where the benzene ring is substituted by one or two chlorine atoms and a surface-active glyceride which is one produced by oxidation of a polyunsaturated oil followed by treatment with an alkali metal salt of an oxyacid of sulphur.
A process for the substantially crease-free dyeing of polyester fibres which comprises contacting the fibres with a dyebath containing a disperse dye in the presence of a non-foaming composition comprising a dyeing assistant, which is a phenoxy alkanol where the benzene ring is substituted by one or two chlorine atoms and a surface-active glyceride which is one produced by oxidation of a polyunsaturated oil followed by treatment with an alkali metal salt of an oxyacid of sulphur.
Dependencies are inferred from the claim text.