Treatment of a cellulosic-containing textile with a fluorocarbon, an aminoplast, and a synthetic acid copolymer, and textile obtained therefrom

Abstract

A process for imparting oil and water repellency, soil release, and durable press characteristics to a celluosic-containing textile material and product produced by this process, comprising applying thereto an aminoplast textile resin, a textile resin catalyst, a fluorocarbon, and a synthetic acid copolymer, and curing at a temperature of 100-200°C.

Having thus disclosed the invention, what is claimed is: 
     
       1. A process for imparting oil and water repellency, soil release and durable press characteristics to a cellulosic-containing textile material which comprises applying thereto an aminoplast textile resin; a textile resin catalyst, a fluorocarbon oil and water repellent material, and a synthetic acid soil release copolymer derived from an ethylenically unsaturated carboxylic acid, said acid polymer comprising at least about 20 weight percent acid calculated as acrylic acid; and subjecting said textile material to textile resin curing conditions at a temperature between about 100° and 200° C., whereby the textile resin is crosslinked to the textile material, the proportion of said fluorocarbon oil and water repellent material on said textile material being between about 0.01% and 5% by weight based on the dry weight of the textile material and the proportion of said acid polymer on said textile material being between about 0.25% and 5% by weight based on the dry weight of the textile material. 
     
     
       2. A process for imparting oil and water repellency, soil release and durable press characteristics to a cellulosic containing textile material which comprises applying thereto an unsaturated aminoplast textile resin, a textile resin catalyst, a fluorocarbon oil and water repellent material and a synthetic acid soil release copolymer derived from an ethylenically unsaturated carboxylic acid, said acid polymer comprising at least about 20 weight percent acid calculated as acrylic acid; drying said textile material at a temperature in the range of about 225° F. to 300° F.; subjecting said textile material to between about 1000 rads and 100 megarads irradiation; and subsequently curing the textile resin at a temperature between about 100° and 300° C., the proportion of said fluorocarbon oil and water repellent material on said textile material being between about 0.01% and 5% by weight based on the dry weight of the textile material and the proportion of said acid polymer on said textile material being between about 0.25% and 5% by weight based on the dry weight of the textile material. 
     
     
       3. A process for imparting oil and water repellency, soil release and durable press characteristics to a polyethylene terephthalate/cotton (65/35) textile material which comprises: (a) applying thereto an aqueous system consisting essentially of about 2 to 30% of an aqueous solution of N-methylol acrylamide, about 1 to 15% of an aqueous solution of a catalyst selected from the group consisting of zinc nitrate and magnesium chloride, at least about 0.1% of an organic fluorocarbon oil and water repellent material, about 2.5 to 40% of an aqueous dispersion of a synthetic acid polymer prepared by polymerizing a monomeric mixture of about 10 to 80 parts ethyl acrylate and about 20 to 90 parts acrylic acid, and water; said aqueous dispersion being applied to the textile material in the range of 30 to 100 weight percent of the textile material;   (b) drying the textile material at a temperature in the range of about 225° F. to 300° F.;   (c) subjecting the textile material to irradiation such that said material is exposed to a dosage of about 1000 rads to 100 megarads; and   (d) heating the textile material at a temperature in the range of about 100° C. to 300° C. to cure the textile resin; the proportion of said fluorocarbon oil and water repellent material on said textile material being between about 0.01% and 5% by weight based on the dry weight of the textile material and the proportion of said acid polymer on said textile material being between about 0.25% and 5% by weight based on the dry weight of the textile material.   
     
     
       4. The process as defined in claim 1 wherein the synthetic acid polymer is prepared by polymerizing a monomeric mixture comprising an acrylic ester and an acrylic acid. 
     
     
       5. A textile material having improved oil and water repellency, soil release and durable press characteristics produced according to the process of claim 1. 
     
     
       6. A textile material having improved oil and water repellency, soil release and durable press characteristics produced according to the process of claim 2. 
     
     
       7. A textile material having improved oil and water repellency, soil release and durable press characteristics produced according to the process of claim 3. 
     
     
       8. The process as defined in claim 1 wherein the soil release polymer and the oil and water repellent material are applied sequentially. 
     
     
       9. A process as defined in claim 1 wherein the textile resin catalyst is selected from the group consisting of metal salts and amino salts. 
     
     
       10. The process as defined in claim 1 wherein the textile resin is selected from the group consisting of acrylamides and ethylene ureas. 
     
     
       11. The process as defined in claim 1 wherein the textile resin is selected from the group consisting of N-methylol acrylamide and dihydroxydimethylol ethylene urea. 
     
     
       12. The process as defined in claim 1 wherein the textile material is a polyester/cotton blend. 
     
     
       13. The process as defined in claim 1 wherein the soil release polymer is prepared by polymerizing a monomeric mixture comprising about 10 to 80 parts of an acrylic ester and about 20 to 90 parts of an acrylic acid. 
     
     
       14. The process as defined in claim 2 wherein the textile resin is N-methylol acrylamide. 
     
     
       15. The process as defined in claim 2 wherein the textile material is subjected to an irradiation dosage of about 0.5 to 5 megarads. 
     
     
       16. The textile material as defined in claim 1 wherein said textile material is a polyethylene terephthalate/cotton blend. .Iadd.17. In a process for improving the soil release properties of a textile material wherein the textile material is impregnated with a composition including a durable press textile reactant selected from water-soluble precondensates of formaldehyde with amino compounds and a water-insoluble acrylic hydrophilic polymer which absorbs about seven times its weight of water when immersed in an aqueous detergent solution for 2 minutes at 140° F., said polymer being an addition polymer of at least one ethylenically unsaturated monomer having one or more acid groups, and then drying and curing, the improvement which comprises applying said durable press reactant and hydrophilic polymer to said textile in a stable aqueous mixture with an oil and water repellent fluoro-acrylic polymer characterized by (CF 2 ) groups and a terminal CF 3  group, the amount of fluoro-acrylic polymer being in the range of 4-100% based on the weight of said hydrophilic polymer, the proportion of said fluoro-acrylic polymer on said textile material being between about 0.01% and 5% by weight based on the dry weight of the textile material and the proportion of said acrylic hydrophilic polymer on said textile material being between about 0.25% and 5% by weight based on the dry weight of the textile material. .Iaddend. .Iadd. 18. The process of claim 17 wherein said material is cellulosic, polyester, or a mixture thereof. .Iaddend..Iadd. 19. The process of claim 17 wherein said mixture is applied as an aqueous emulsion including an ethylene oxide emulsifying agent. .Iaddend..Iadd. 20. A process according to claim 17 wherein said acrylic hydrophilic polymer is a methacrylic acid/ethyl acrylate copolymer. .Iaddend. .Iadd. 21. The process of claim 17 wherein said polymer is one selected from the group consisting of polyacrylic acid; acrylic acid and methacrylic acid copolymers with styrene; copolymers of itaconic acid and acrylic acid; copolymers of ethyl acrylate and methacrylic acid; terpolymers of methacrylic acid, butadiene and styrene; and terpolymers of monomethyl 
     
     
        itaconate, acrylic acid and itaconic acid. .Iaddend..Iadd. 22.  A durable press textile having improved soil release properties, said textile being finished with a cured durable press and soil release finish consisting essentially of a mixture of durable press reactant selected from water-soluble precondensates of formaldehyde with amino compounds and a water-insoluble acrylic hydrophilic polymer which absorbs about seven times its weight of water when immersed in an aqueous detergent solution for 2 minutes at 140° F., said polymer being an addition polymer of at least one ethylenically unsaturated monomer having one or more acid groups, and oil and water repellent fluoro-acrylic polymer characterized by (CF 2 ) groups and a terminal CF 3  group, the amount of fluoro-acrylic polymer being in the range of 4-100% based on the weight of hydrophilic polymer, the proportion of said fluoro-acrylic polymer on said textile material being between about 0.01% and 5% by weight based on the dry weight of the textile material and the proportion of said acrylic hydrophilic polymer on said textile material being between about 0.25% and 5% by weight based on the dry weight of the textile material.