Methods of treating and cleaning fibers, carpet yarns and carpets
AssigneeShaw Industries Group, Inc.
InventorDennis J. Jones, Jr.
Life of this patent
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Abstract
Methods of enhancing stain resistance of fibers, carpet yarns and carpets are disclosed. In one aspect, the invention relates to a method of treating fiber, yarn or carpet comprising applying an aqueous treating composition to fiber, yarn or carpet, wherein the aqueous treating composition comprises tannic acid heating the fiber, yarn or carpet to a temperature of at least about 160° F.; applying a second topical treating composition to the fiber, carpet or yarn, wherein the second aqueous treating composition comprises a fluorochemical; and heating the fiber, yarn or carpet to a temperature of at least about 160° F.
Claims20
A method of treating fiber, yarn or carpet comprising the sequential steps of:
- a. applying a first aqueous treating compositionto fiber, yarn or carpet, wherein the first aqueous treating composition comprises a stain resist compound and tannic acid, wherein the tannic acid has a gallic acid content of less than about 3.0 parts by weight;
- b. heating the fiber, yarn or carpet to a temperature of at least about 160° F.;
- c. applying a second topical treating composition to the fiber, carpet or yarn, wherein the second topical treating composition comprises a fluorochemical;
- and
- d. heating the fiber, yarn or carpet to a temperature of at least about 160° F.
A method of treating fiber, yarn or carpet comprising the sequential steps of:
- a. applying a first aqueous treating composition to fiber, yarn or carpet, using immersion, slot coating, dip coating, spray coating, pad coating, or a combination thereof, wherein the first aqueous treating composition comprises a stain resist compound and tannic acid, wherein the tannic acid has a gallic acid content of less than about 3.0 parts by weight;
- b. heating the fiber, yarn or carpet to a temperature of at least about 160° F.;
- c. applying a second topical treating composition to the fiber, carpet or yarn, using spray coating, foam coating, or a combination thereof, wherein the second aqueous treating composition comprises a fluorochemical;
- and
- d. heating the fiber, yarn or carpet to a temperature of at least about 160° F., using dry heat.
Dependencies are inferred from the claim text.