COMPOSITION FOR OIL- AND/OR WATER-REPELLENT FINISHING OF FIBER MATERIALS

摘要

#CMT# #/CMT# Aqueous composition comprises at least components of A-C, where the component A is either a mixture which contains at least the components of A1-A3 in which the component A1 is paraffin wax; the component B is a mixture which contains at least the components B1-B3 in which the component B1 is an isocyanate group-containing polyurethane, the component B2 is a dispersant or its mixture and contains ethoxylated alcohols and optionally a divalent aliphatic alcohol and an inorganic acid, the component B3 is water; and the component C is a polymer that contains perfluoroalkyl (RF) groups. #CMT# : #/CMT# Aqueous composition comprises at least components of A-C, where component A is either a mixture which contains at least the components of A1-A3, in which the component A1 is paraffin wax, the component A2 is a condensation product of 12-22C alcohol, an etherified, preferably quaternized polymethylol-melamine and optionally a polyhydric ethanolamine, which 0.05-1.5 wt.% of an acid, preferably acetic acid is contained, and the component A3 is water or the component A is a mixture that contains at least the components A4-A6, and the component A4 is a polysiloxane, which in addition alkyl groups bonded to silicon atoms contain hydrogen atoms bonded to silicon atom, and an alkyl hydrogen polysiloxane, where the component A5 is water, and the component A6 is a dispersant, preferably an ethoxylated alcohol or a mixture of ethoxylated alcohols, where preferably ethoxylated linear or branched alcohols are used with 8-20 carbon atoms; the component B is a mixture which contains at least the components B1-B3, in which the component B1 is an isocyanate group-containing polyurethane, whose isocyanate groups are blocked, preferably with an aliphatic ketone oxime; the polyurethane is constructed preferably from an aromatic or aliphatic, preferably an aromatic diisocyanate; and the diisocyanate preferably with 2-6C diol is reacted to a trivalent aliphatic alcohol and an N-alkylated diethanolamine or triethanolamine; the component B2 is a dispersant or its mixture and contains ethoxylated alcohols and optionally a divalent aliphatic alcohol and optionally an inorganic acid; the component B3 is water; the component C is a polymer that contains perfluoroalkyl (RF) groups, where 55-100% of all the present RF-group containing 6 carbon atoms; and the composition contains optionally a zirconium salt, preferably zirconium acetate, as component D. An independent claim is included for treating textile flat structures made of fiber materials, comprising treating the flat structures with the composition and then drying. #CMT#USE : #/CMT# The composition is useful for treating textile flat structures (claimed). #CMT#ADVANTAGE : #/CMT# The composition provides the textile fiber materials with oil and water repellent properties. #CMT#ORGANIC CHEMISTRY : #/CMT# Preferred Components: The RF group-containing polymer (component C) is a polyacrylic acid or polymethacrylic acid ester, which has RF groups in the alcohol component. The composition contains both the components of A1-A3 and also the components of A4-A6. The amount of component A, component B, component C and component D is 35-120 (preferably 50-75) parts by weight, 1-60 (preferably 8-20) parts by weight, 1-60 (preferably 2-20) parts by weight and 0-30 (preferably 1.5-8) parts by weight, respectively. The component A does not contain the components A4-A6, and the amount of components A1 and A2 is 10-30 (preferably 12-25) wt.% and 5-15 (preferably 6-12) wt.%, respectively, where the residue of component A is formed by water (component A3) and optionally by small amounts of acetic acid. The component A does not contain the components of A1-A3, and the amount of components A4, A5 and A6 is 25-45 (preferably 30-40) wt.%, 50-70 (preferably 55-65) wt.% and 1-5 (preferably 3-5) wt.%, respectively. The component A contains 8-30 (preferably 10-20) parts by weight of A1, 3-20 (preferably 4-12) parts by weight of A2, 1-15 (preferably 2-10) parts by weight of A4, 0.05-3 (preferably 0.1-2) parts by weight of A4, where the residue of component A is formed by water (components A3 and A5). The component B contains 8-40 (preferably 12-30) wt.% of B1 and 2-20 (preferably 3-15) wt.% of B2, where the residue of component B is formed by water (component B3). The fiber materials are made from polyamide, polyester or a polyester/cotton-blend. The component C is mixed just prior to treatment of the fiber materials with the components A and B. #CMT#EXAMPLE : #/CMT# No suitable example given.