IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0564531
(2000-05-04)
|
등록번호 |
US-7276459
(2007-10-02)
|
발명자
/ 주소 |
- Lang,Frederick J.
- Chang,Yihua
- Chen,Franklin M.
- Dellerman,Paige A.
- Jackson,David M.
- Johnson,Eric D.
- Lindsay,Jeffrey D.
- Mumick,Pavneet S.
- Pomplun,William S.
- Rivera,Ligia A.
- Schick,Kim G.
- Schultz,Walter T.
- Shah,Varsha K.
- Soerens,Dave A.
- Wang,Kenneth Y
|
출원인 / 주소 |
- Kimberly Clark Worldwide, Inc.
|
대리인 / 주소 |
Brinks Hofer Gilson & Lione
|
인용정보 |
피인용 횟수 :
23 인용 특허 :
302 |
초록
▼
The present invention is directed to ion-sensitive, water-dispersible polymers. The present invention is also directed to a method of making ion-sensitive, water-dispersible polymers and their applicability as binder compositions. The present invention is further directed to fiber-containing fabrics
The present invention is directed to ion-sensitive, water-dispersible polymers. The present invention is also directed to a method of making ion-sensitive, water-dispersible polymers and their applicability as binder compositions. The present invention is further directed to fiber-containing fabrics and webs comprising ion-sensitive, water-dispersible binder compositions and their applicability in water-dispersible personal care products.
대표청구항
▼
What is claimed is: 1. A wet wipe having an in-use wet tensile strength of at least 100 g/in, wherein the wet wipe has a tensile strength of less than about 30 g/in after being soaked in water having a concentration of Ca2+ and/or Mg2+ ions of about 50 ppm to about 200 ppm for about one hour; where
What is claimed is: 1. A wet wipe having an in-use wet tensile strength of at least 100 g/in, wherein the wet wipe has a tensile strength of less than about 30 g/in after being soaked in water having a concentration of Ca2+ and/or Mg2+ ions of about 50 ppm to about 200 ppm for about one hour; wherein the wet wipe comprises a fabric sheet saturated with a wetting composition, wherein the fabric sheet comprises fibrous material and an ion-sensitive binder, wherein the wetting composition contains less than about 10 wt % of organic solvents, and wherein the wetting composition comprises an activating compound at a concentration of at least 1 weight percent based on the weight of the wetting composition. 2. The wet wipe of claim 1, wherein the wet wipe has an in-use wet tensile strength of at least 100 g/in, and a tensile strength of less than about 30 g/in after being soaked in water having a concentration of Ca2+ and/or Mg2+ ions of about 50 ppm for about one hour. 3. The wet wipe of claim 1, wherein the wet wipe has an in-use wet tensile strength of at least 300 g/in, and a tensile strength of less than about 30 g/in after being soaked in water having a concentration of Ca2+ and/or Mg2+ ions of about 50 ppm for about one hour. 4. The wet wipe of claim 1, wherein the wet wipe has an in-use wet tensile strength of at least 200 g/in, and a tensile strength of less than about 20 g/in after being soaked in water having a concentration of Ca2+ and/or Mg2+ ions of about 200 ppm for about one hour. 5. The wet wipe of claim 1, wherein the wet wipe has an in-use wet tensile strength of at least 300 g/in, and a tensile strength of less than about 20 g/in after being soaked in water having a concentration of Ca2+ and/or Mg2+ ions of about 200 ppm for about one hour. 6. The wet wipe of claim 1, wherein the wetting composition contains less than about 4 wt % of organic solvents. 7. The wet wipe of claim 1, wherein the wetting composition contains less than about 1 wt % of organic solvents. 8. The wet wipe of claim 1, wherein the wetting composition is substantially free of organic solvents. 9. The wet wipe of claim 1, wherein the activating compound comprises a monovalent salt and is present at a concentration of at least 1 weight percent based on the weight of the wetting composition. 10. The wet wipe of claim 9, wherein the activating compound is present at a concentration of from about 1 weight percent to about 10 weight percent based on the weight of the wetting composition. 11. The wet wipe of claim 10, wherein the activating compound is present at a concentration of from about 1 weight percent to about 5 weight percent based on the weight of the wetting composition. 12. The wet wipe of claim 11, wherein the activating compound is present at a concentration of about 4 weight percent. 13. The wet wipe of claim 1, wherein the activating compound is sodium chloride. 14. The wet wipe of claim 1, wherein the ion-sensitive binder comprises at least one of an ion-sensitive polymer and a co-binder. 15. The wet wipe of claim 14, wherein the ion-sensitive polymer is formed from (a) at least one of acrylic acid and methacrylic acid, and (b) one or more alkyl acrylates. 16. The wet wipe of claim 14, wherein the ion-sensitive polymer is formed from one or more monomers selected from acrylic acid; 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPS); the sodium salt of 2-acrylamido-2-methyl-1-propanesulfonic acid (NaAMPS); butyl acrylate; and 2-ethylhexyl acrylate. 17. The wet wipe of claim 14, wherein the co-binder is selected from non-crosslinking poly(ethylene-vinyl acetate), non-crosslinking poly(styrene-butadiene), and non-crosslinking poly(styrene-acrylic). 18. The wet wipe of claim 17, wherein the co-binder is non-crosslinking poly(ethylene-vinyl acetate). 19. The wet wipe of claim 1, wherein the wetting composition comprises: about 86 to about 98 weight percent deionized water; about 1 to about 6 weight percent sodium chloride as the activating compound; up to about 2 weight percent of one or more preservatives; up to about 2 weight percent of one or more surfactants; up to about 1 weight percent of one or more silicone emulsions; up to about 1 weight percent of one or more emollients; up to about 0.3 weight percent of one or more fragrances; up to about 0.5 weight percent of one or more fragrance solubilizers; and up to about 0.5 weight percent of one or more pH adjusters. 20. The wet wipe of claim 19, wherein the wetting composition comprises: about 86 to about 98 weight percent of deionized water; about 1 to about 6 weight percent of sodium chloride as the activating compound; from greater than 0 to about 2 weight percent of one or more preservatives comprising glycerin, iodopropynyl butylcarbamate (IPBC), and dimethyloldimethyl (DMDM) hydantoin; from greater than 0 to about 2 weight percent of a surfactant comprising acyl glutamate; from greater than 0 to about 1 weight percent of one or more silicone emulsions comprising dimethiconol and triethanolamine (TEA) dodecylbenezene sulfonate; from greater than 0 to about 1 weight percent of an emollient comprising PEG-75 Lanolin; from greater than 0 to about 0.3 weight percent of one or more fragrances; from greater than 0 to about 0.5 weight percent of a fragrance solubilizer comprising polysorbate 20; and from greater than 0 to about 0.2 weight percent of a pH adjuster comprising malic acid. 21. The wet wipe of claim 20, wherein the wetting composition comprises: about 92.88 weight percent of deionized water; about 4.00 weight percent of sodium chloride as the activating compound; about 1.00 weight percent of one or more preservatives comprising glycerin, IPBC, and DMDM hydantoin; about 1.00 weight percent of a surfactant comprising acyl glutamate; about 0.50 weight percent of one or more silicone emulsions comprising dimethiconol and TEA dodecylbenezene sulfonate; about 0.25 weight percent of an emollient comprising PEG-75 Lanolin; about 0.05 weight percent of one or more fragrances; about 0.25 weight percent of a fragrance solubilizer comprising polysorbate 20; and about 0.07 weight percent of a pH adjuster comprising malic acid. 22. The wet wipe of claim 1, wherein the fibrous material comprises one or more layers of a woven fabric, a nonwoven fabric, a knitted fabric, or a combination thereof. 23. The wet wipe of claim 1, wherein the fibrous material comprises one or more layers of a nonwoven fabric. 24. The wet wipe of claim 1, wherein the fibrous material comprises fibers having a length of about 15 mm or less. 25. The wet wipe of claim 1, wherein the fibrous material comprises natural fibers, synthetic fibers, or a combination thereof. 26. The wet wipe of claim 1, wherein the fibrous material comprises one or more fibers containing cotton, linen, jute, hemp, wool, wood pulp, viscose, rayon, cuprammonium rayon, cellulose acetate, polyester, polyamide, and polyacrylic. 27. The wet wipe of claim 1, wherein the fibrous material comprises wood pulp. 28. The wet wipe of claim 1, wherein the fabric sheet comprises a tissue web. 29. The wet wipe of claim 1, wherein the fabric sheet comprises an airlaid web. 30. The wet wipe of claim 1, wherein the fabric sheet comprises a hydroentangled web.
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