IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0206888
(2002-07-26)
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발명자
/ 주소 |
- Soerens, Dave Allen
- Sawyer, Lawrence Howell
- Makoui, Kambiz Bayat
- Qin, Jian
- Laumer, Jason Matthew
|
출원인 / 주소 |
- Kimberly-Clark Worldwide, Inc.
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대리인 / 주소 |
Pauley Petersen & Erickson
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인용정보 |
피인용 횟수 :
29 인용 특허 :
50 |
초록
▼
A fluid storage material including particles, such as superabsorbent particles and/or microencapsulated fragrance agents, cleansing agents, or skin rejuvenation agents, secured to one another and/or secured to a substrate. The fluid storage material can be made by dispersing particles in a crosslink
A fluid storage material including particles, such as superabsorbent particles and/or microencapsulated fragrance agents, cleansing agents, or skin rejuvenation agents, secured to one another and/or secured to a substrate. The fluid storage material can be made by dispersing particles in a crosslinkable binder solution, applying the combined particles and binder solution to a surface such as a substrate or a release surface, inducing crosslinking of the binder, and removing the solvent from the surface such as, for example, by drying the solvent. The fluid storage material is particularly suitable for use in personal care products.
대표청구항
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1. A fluid storage material, comprising:a plurality of particles secured to one another with an absorbent crosslinkable binder composition, the binder composition including a polymer having a silane functional group. 2. The fluid storage material of claim 1, wherein the particles comprise superabsor
1. A fluid storage material, comprising:a plurality of particles secured to one another with an absorbent crosslinkable binder composition, the binder composition including a polymer having a silane functional group. 2. The fluid storage material of claim 1, wherein the particles comprise superabsorbent particles. 3. The fluid storage material of claim 1, wherein the particles comprise an encapsulated agent. 4. The fluid storage material of claim 3, wherein the agent is selected from a group consisting of fragrance agents, cleansing agents, and skin rejuvenation agents. 5. The fluid storage material of claim 1, wherein the particles comprise a powder. 6. The fluid storage material of claim 5, wherein the powder comprises at least one of a group consisting of activated carbon and sodium bicarbonate. 7. The fluid storage material of claim 1, further comprising a plurality of fibers secured to the particles with the absorbent crosslinkable binder composition. 8. The fluid storage material of claim 7, wherein the fibers comprise at least one of a group consisting of northern hardwood fibers, southern hardwood fibers, mercerized southern hardwood fibers, softwood fibers, chemically stiffened southern softwood pulps, cross-linked pulps, cellulose powders, superabsorbent fibers, regenerated cellulose fibers, cotton, cellulose acetate, non-cellulosic fibers, polyester fibers, acrylic fibers, polyethylene fibers, polypropylene fibers, polyamide fibers, polylactide fibers, and combinations thereof. 9. The fluid storage material of claim 1, wherein the absorbent crosslinkable binder composition comprises a crosslinkable binder that is sufficiently hydrophilic to provide uninhibited access of aqueous fluids to the particles. 10. The fluid storage material of claim 1, wherein the absorbent crosslinkable binder composition comprises a soluble binder selected from a group consisting of hydrophilic polymers, a blend of hydrophilic polymers containing hydrophilic agents, and a blend of hydrophobic polymers containing hydrophilic agents. 11. The fluid storage material of claim 1, wherein the absorbent crosslinkable binder composition comprises an alkoxysilane grafted poly(ethylene oxide). 12. The fluid storage material of claim 11, wherein the alkoxysilane comprises methacryloxypropyl trimethoxy silane. 13. The fluid storage material of claim 1, wherein the absorbent crosslinkable binder composition comprises a binder having a glass transition temperature below 10 degrees Celsius. 14. The fluid storage material of claim 1, wherein the absorbent crosslinkable binder composition comprises acrylic acid copolymers. 15. The fluid storage material of claim 14, wherein the acrylic acid copolymers comprise acrylic acid and long chain, hydrophilic acrylate esters. 16. The fluid storage material of claim 14, wherein the acrylic acid copolymers comprise acrylic acid and long chain, hydrophilic methacrylate esters. 17. The fluid storage material of claim 14, wherein the acrylic acid copolymers comprise acrylic acid salts and long chain, hydrophilic methacrylate esters. 18. The fluid storage material of claim 14, wherein the acrylic acid copolymers comprise acrylic acid and poly(ethylene glycol) methacrylate having from 1 to 13 ethylene glycol units. 19. The fluid storage material of claim 14, wherein the acrylic acid copolymers comprise acrylic acid salts and poly(ethylene glycol) methacrylate having from 1 to 13 ethylene glycol units. 20. The fluid storage material of claim 14, wherein the acrylic acid copolymers comprise an ester having a functional group that is capable, upon exposure to water, to form a silanol functional group which condenses to form a crosslinked polymer. 21. The fluid storage material of claim 1, wherein the absorbent crosslinkable binder composition further comprises a modifying agent selected from a group consisting of plasticizers, colorants, stabilizers, flow aids, and preservatives. 22. The fluid storage material of claim 1, w herein the absorbent crosslinkable binder composition has an absorbent capacity of at least 5 grams per gram. 23. The fluid storage material of claim 1, wherein the absorbent crosslinkable binder composition has an absorbent capacity of at least 10 grams per gram. 24. The fluid storage material of claim 1, wherein the fluid storage material has a density of at least 0.5 g/cm 3 . 25. The fluid storage material of claim 1, wherein the fluid storage material has a density of at least 0.7 g/cm 3 . 26. The fluid storage material of claim 1, wherein the fluid storage material has a Gurley stiffness value of less than 320 mg. 27. The fluid storage material of claim 1, wherein the fluid storage material has a Gurley stiffness value of less than 160 mg. 28. A personal care product, comprising the fluid storage material of claim 1. 29. The personal care product of claim 28, wherein the fluid storage material has a thickness of between about 0.2 and about 4 millimeters. 30. A fluid storage material, comprising:a substrate; andparticles secured to the substrate with an absorbent crosslinkable binder composition, the binder composition including a polymer having a silane functional group. 31. The fluid storage material of claim 30, wherein the particles comprise superabsorbent particles. 32. The fluid storage material of claim 30, wherein the particles comprise an encapsulated agent. 33. The fluid storage material of claim 32, wherein the agent is selected from a group consisting of fragrance agents, cleansing agents, and skin rejuvenation agents. 34. The fluid storage material of claim 30, wherein the particles comprise a powder. 35. The fluid storage material of claim 34, wherein the powder comprises at least one of a group consisting of activated carbon and sodium bicarbonate. 36. The fluid storage material of claim 30, further comprising a plurality of fibers secured to the substrate with the absorbent crosslinkable binder composition. 37. The fluid storage material of claim 36, wherein the fibers comprise at least one of a group consisting of northern hardwood fibers, southern hardwood fibers, mercerized southern hardwood fibers, softwood fibers, chemically stiffened southern softwood pulps, cross-linked pulps, cellulose powders, superabsorbent fibers, regenerated cellulose fibers, cotton, cellulose acetate, non-cellulosic fibers, polyester fibers, acrylic fibers, polyethylene fibers, polypropylene fibers, polyamide fibers, polylactide fibers, and combinations thereof. 38. The fluid storage material of claim 30, wherein the absorbent crosslinkable binder composition comprises a crosslinkable binder that is sufficiently hydrophilic to provide uninhibited access of aqueous fluids to the particles. 39. The fluid storage material of claim 30, wherein the absorbent crosslinkable binder composition comprises a latent crosslinker including multivalent metal ions. 40. The fluid storage material of claim 30, wherein the absorbent crosslinkable binder composition comprises a soluble binder selected from a group consisting of hydrophilic polymers, a blend of hydrophilic polymers containing hydrophilic agents, and a blend of hydrophobic polymers containing hydrophilic agents. 41. The fluid storage material of claim 30, wherein the absorbent crosslinkable binder composition comprises an alkoxysilane grafted poly(ethylene oxide). 42. The fluid storage material of claim 41, wherein the alkoxysilane comprises methacryloxypropyl trimethoxy silane. 43. The fluid storage material of claim 30, wherein the absorbent crosslinkable binder composition comprises a binder having a glass transition temperature below 30 degrees Celsius. 44. The fluid storage material of claim 30, wherein the absorbent crosslinkable binder composition comprises a binder having a glass transition temperature below 10 degrees Celsius. 45. The fluid storage material of claim 30, wherein the absorbent crosslinkable binder composition comprises acrylic acid copolymers. 46. The fluid storage material of claim 45, wherein the acrylic acid copolymers comprise acrylic acid and long chain, hydrophilic acrylate esters. 47. The fluid storage material of claim 45, wherein the acrylic acid copolymers comprise acrylic acid and long chain, hydrophilic methacrylate esters. 48. The fluid storage material of claim 45, wherein the acrylic acid copolymers comprise acrylic acid salts and long chain, hydrophilic methacrylate esters. 49. The fluid storage material of claim 45, wherein the acrylic acid copolymers comprise acrylic acid and poly(ethylene glycol) methacrylate having from 1 to 13 ethylene glycol units. 50. The fluid storage material of claim 45, wherein the acrylic acid copolymers comprise acrylic acid salts and poly(ethylene glycol) methacrylate having from 1 to 13 ethylene glycol units. 51. The fluid storage material of claim 45, wherein the acrylic acid copolymers comprise an ester having a functional group that is capable, upon exposure to water, to form a silanol functional group which condenses to form a crosslinked polymer. 52. The fluid storage material of claim 30, wherein the absorbent crosslinkable binder composition further comprises a modifying agent selected from a group consisting of plasticizers, colorants, stabilizers, flow aids, and preservatives. 53. The fluid storage material of claim 30, wherein at least 20% of the particles remain secured to the substrate following immersion of the fluid storage material in 0.9% saline solution for at least 30 minutes. 54. The fluid storage material of claim 30, wherein at least 30% of the particles remain secured to the substrate following immersion of the fluid storage material in 0.9% saline solution for at least 30 minutes. 55. The fluid storage material of claim 30, wherein the fluid storage material has an absorbent capacity of at least 0.2 grams per square centimeter under an applied load of 0.3 psi. 56. The fluid storage material of claim 30, wherein the fluid storage material has an absorbent capacity of at least 0.6 grams per square centimeter under an applied load of 0.3 psi. 57. The fluid storage material of claim 30, wherein the fluid storage material has a density of at least 0.1 g/cm 3 . 58. The fluid storage material of claim 30, wherein the fluid storage material has a density of at least 0.4 g/cm 3 . 59. The fluid storage material of claim 30, wherein the fluid storage material has a Gurley stiffness value of less than 400 mg. 60. The fluid storage material of claim 30, wherein the fluid storage material has a Gurley stiffness value of less than 200 mg. 61. The fluid storage material of claim 30, wherein the substrate is selected from a group consisting of nonwoven webs, woven webs, knitted fabrics, cellulosic tissue sheets, plastic films, foams, stranded composites, and elastomer net composites. 62. The fluid storage material of claim 30, wherein the substrate comprises a plastic film including at least one of a group consisting of polypropylene, low density polyethylene, high density polyethylene, linear low density polyethylene, ultra low density polyethylene, styrene-ethylene-butylene-styrene block copolymers, styrene-isoprene-styrene block copolymers, metallocene catalyzed elastomers, metallocene catalyzed plastomers, monolithic breathable films, polyether amide based polymers, and ether/ester polyurethane thermal-plastic elastomers. 63. A personal care product, comprising the fluid storage material of claim 30. 64. The personal care product of claim 63, wherein the substrate is non-absorbent. 65. The personal care product of claim 63, wherein the fluid storage material has a thickness of between about 0.2 and about 4 millimeters. 66. The personal care product of claim 63, wherein the fluid storage material has an absorbent capacity of between about 0.1 and about 1.8 grams per square centimeter under an applied load of 0.3 psi. 67. A training pant comprising the personal care product of claim 63. 68. A feminine hygiene product comp rising the personal care product of claim 63.
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