Durable hydrophilic coating for textiles
First Claim
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1. A polymeric fabric treated with a silicone compound selected from the group consisting of:
- 1) polysiloxane polyethers having the formula;
where R1 is selected from the group consisting of hydrogen and alkyls and R2 and R3 are each independently selected from the group consisting of one to forty carbon atom monovalent alkyl radicals;
the subscript a ranges from about 1 to about 8;
the subscript b ranges from about 1 to about 10;
the subscript c ranges from zero to 2;
the subscript d ranges from about to 1 to about 10; and
the number average molecular weight ranging from ranges from about to 300 to about 1,000, whereby said fabric is rendered durably hydrophilic.
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Abstract
Low molecular weight silicone polyether ABA type block copolymer treatments wherein a linear polysiloxane is terminated at each end by a polyether moiety derived from ethylene oxide are useful to imparting a hydrophilic coating to the surface of either woven or non-woven textiles.
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Citations
10 Claims
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1. A polymeric fabric treated with a silicone compound selected from the group consisting of:
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1) polysiloxane polyethers having the formula;
where R1 is selected from the group consisting of hydrogen and alkyls and R2 and R3 are each independently selected from the group consisting of one to forty carbon atom monovalent alkyl radicals;
the subscript a ranges from about 1 to about 8;
the subscript b ranges from about 1 to about 10;
the subscript c ranges from zero to 2;
the subscript d ranges from about to 1 to about 10; and
the number average molecular weight ranging from ranges from about to 300 to about 1,000,whereby said fabric is rendered durably hydrophilic. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
wherein the subscript d ranges from about 2 to about 8.
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3. The polymeric fabric of claim 1 comprising a polymer wherein said polymer is selected from the group consisting of:
alkyd resins, ophthalmic anhydride-glycerol resins, maleic acid-glycerol resins, adipic acid-glycerol resins, phthalic anhydride-pentaerythritol resins;
allylic resins cross-linked by diallyl phthalate, diallyl isophthalate diallyl maleate, or diallyl chlorendate;
aniline-formaldehyde resins, ethylene urea-formaldehyde resins, dicyandiamide-formaldehyde resins, melamine-formaldehyde resins, sulfonamide-formaldehyde resins, and urea-formaldehyde resins;
epoxy resins, epichlorohydrin-bisphenol A resins;
phenolic resins, phenol-formaldehyde resins, end-capped polyacetals, poly(oxymethylene), polyformaldehyde, poly(trichloroacetaldehyde), poly(n-valeraldehyde), poly(acetaldehyde), poly(propionaldehyde), acrylic polymers, polyacrylamide, poly(acrylic acid), poly(methacrylic acid), poly(ethyl acrylate), poly(methyl methacrylate), fluorocarbon polymers, poly(tetrafluoroethylene), perfluorinated ethylene-propylene copolymers, ethylene-tetrafluoroethylene copolymers, poly(chlorotrifluoroethylene), ethylene-chlorotrifluoroethylene copolymers, poly(vinylidene fluoride), poly(vinyl fluoride), polyamides, poly(6-aminocaproic acid), poly( epsilon -caprolactam), poly(hexamethylene adipamide), poly(hexamethylene sebacamide), poly(11-amino-undecanoic acid), polyaramides, poly(imino-1,3-phenyleneiminoisophthaloyl) or poly(m-phenylene isophthalamide), poly-p-xylylene, poly(chloro-p-xylylene), polyaryl ethers, poly(oxy-2,6-dimethyl-1, 4-phenylene), poly(p-phenylene oxide), polyaryl sulfones, poly(oxy-1,4-phenylenesulfonyl-1,4-phenyleneoxy-1,4-phenylene-isopropylidene-1,4-phenylene), poly(sulfonyl-1,4-phenyleneoxy1,4-phenylensulfonyl-4,4′
biphenylene), polycarbonates, poly(bisphenolA) or poly(carbonyldioxy-1,4-phenyleneisopropylidene-1,4-phenylene), polyesters, poly(ethylene terephthalate), poly(tetramethylene terephthalate), poly(cyclohexylene-1,4-dimethylene terephthalate), poly(oxymethylene-1,4-cyclohexylenemethyleneoxyterephthaloyl), polyaryl sulfides, poly(p-phenylene sulfide), poly(thio-1,4-phenylene), polyimides, poly(pyromellitimido-1,4-phenylene), polyolefins, polyethylene, polypropylene, poly(1-butene), poly(2-butene), poly(1-pentene), poly(2-pentene), poly(3-methyl-1-pentene), poly(4-methyl-1-pentene), 1,2-poly-1,3-butadiene, 1,4-poly-1,3-butadiene, polyisoprene, polychloroprene, polyacrylonitrile, poly(vinyl acetate), poly(vinylidene chloride), polystyrene, copolymers of the foregoing, acrylonitrile-butadiene-styrene (ABS) copolymers, and mixtures thereof.
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4. The polymeric fabric of claim 3 wherein said polymer is selected from the group consisting of polyethylene, polypropylene, poly(1-butene), poly(2-butene), poly(1-pentene), poly(2-pentene), poly(3-methyl-1-pentene), poly(4-methyl-1-pentene), 1,2-poly-1,3-butadiene, 1,4-poly-1,3-butadiene, polyisoprene, polychloroprene, polyacrylonitrile, poly(vinyl acetate), poly(vinylidene chloride), polystyrene, copolymers of the foregoing, acrylonitrile-butadiene-styrene (ABS) copolymers, and mixtures thereof.
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5. The polymeric fabric of claim 4 wherein said polymer is selected from the group consisting of polyethylene and polypropylene.
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6. The polymeric fabric of claim 5 wherein said polymer is polyethylene.
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7. The polymeric fabric of claim 6 wherein said polymer is polypropylene.
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8. The polymeric fabric of claim 1 comprising a polymer wherein said polymer is a natural polymer selected from the group consisting of cotton, silk, wool, and cellulose.
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9. The polymeric fabric of claim 8 wherein said polymer is cellulose.
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10. The polymeric fabric of claim 9 wherein said cellulose is paper.
Specification