JP2001527476A - 網状吸収性複合体 - Google Patents
網状吸収性複合体Info
- Publication number
- JP2001527476A JP2001527476A JP54944698A JP54944698A JP2001527476A JP 2001527476 A JP2001527476 A JP 2001527476A JP 54944698 A JP54944698 A JP 54944698A JP 54944698 A JP54944698 A JP 54944698A JP 2001527476 A JP2001527476 A JP 2001527476A
- Authority
- JP
- Japan
- Prior art keywords
- composite
- absorbent
- fibers
- absorbent material
- voids
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
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- 239000000463 material Substances 0.000 claims abstract description 152
- 239000011159 matrix material Substances 0.000 claims abstract description 57
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
- A61F2013/15406—Basis weight
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
- A61F2013/15422—Density
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530007—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made from pulp
- A61F2013/530036—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made from pulp being made in chemically-modified cellulosic material, e.g. Rayon
- A61F2013/530051—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made from pulp being made in chemically-modified cellulosic material, e.g. Rayon being made in cross-linked cellulosic fibres
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
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-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F2013/53765—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterized by its geometry
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 繊維質マトリックスと吸収性材料とを含む吸収性複合体において、 前記繊維質マトリックスは、実質的に前記マトリックス全体にわたって分布す る空隙と空隙同士の間の流路とを規定し; 前記吸収性材料は、前記空隙の幾つかの内部に位置し; 前記空隙内に位置する前記吸収性材料は、前記空隙内に膨張可能である; 吸収性複合体。 2. 前記繊維質マトリックスは、弾性繊維類、マトリックス繊維類、及びこれ らの混合物からなる群から選択される繊維類を含む、請求項1に記載の複合体。 3. 湿潤強度増強剤をさらに含む、請求項1に記載の複合体。 4. 前記弾性繊維類は、化学的に剛化した繊維類、曲折の多い繊維類、ケミサ ーモメカニカルパルプ繊維、前加水分解済みクラフトパルプ繊維類、合成繊維類 、及びこれらの混合物からなる群から選択される、請求項2に記載の複合体。 5. 前記化学的に剛化した繊維類は架橋済みセルロース系繊維類を含む、請求 項4に記載の複合体。 6. 前記架橋済みセルロース系繊維類は、尿素に基づく架橋剤及びポリカルボ ン酸架橋剤からなる群から選択される架橋剤を用いて架橋される、請求項5に記 載の複合体。 7. 前記合成繊維類は、ポリオレフィン、ポリエステル、及びポリアミド繊維 からなる群から選択される、請求項4に記載の複合体。 8. 前記ポリエステル繊維類は、ポリエチレンテレフタレート繊維類である、 請求項7に記載の複合体。 9. 前記マトリックス繊維類はセルロース系繊維類を含む、請求項1に記載の 複合体。 10. 前記セルロース系繊維類は、木材パルプ繊維類、コットンリンター類、 綿繊維類、麻繊維類、及びこれらの混合物からなる群から選択される繊維類を含 む、請求項9に記載の複合体。 11.前記弾性繊維類は、全複合体の約5〜約60重量%の量で前記複合体中に 存在する、請求項2に記載の複合体。 12. 前記マトリックス繊維類は、全複合体の約10〜約60重量%の量で前 記複合体中に存在する、請求項2に記載の複合体。 13. 前記吸収性材料は高吸収性材料である、請求項1に記載の複合体。 14. 前記高吸収性材料は、高吸収性粒子類及び高吸収性繊維類からなる群か ら選択される、請求項13に記載の複合体。 15. 前記吸収性材料は、全複合体の約5〜約60重量%の量で存在する、請 求項1に記載の複合体。 16. 前記吸収性材料は、全複合体の約40重量%存在する、請求項1に記載 の複合体。 17. 前記吸収性材料は、0.9%塩類溶液中で自らの重量の約5〜約100 倍を吸収する、請求項1に記載の複合体。 18. 前記湿潤強度増強剤は、ポリアミド−エピクロロヒドリン樹脂及びポリ アクリルアミド樹脂からなる群から選択される樹脂である、請求項3に記載の複 合体。 19. 前記湿潤強度増強剤は、全複合体の約0.01〜約2重量%の量で前記 複合体中に存在する、請求項3に記載の複合体。 20. 坪量約50〜約1000g/m2を有する、請求項1に記載の複合体。 21. 密度約0.02〜約0.7g/cm2を有する、請求項1に記載の複合体。 22. 前記複合体は湿式法によって形成される、請求項1に記載の複合体。 23. 前記複合体は発泡法によって形成される、請求項1に記載の複合体。 24. 前記架橋済みセルロース系繊維類は、前記複合体の総重量を基準として 約12重量%存在する、請求項5に記載の複合体。 25. 前記木材パルプ繊維類は、前記複合体の総重量を基準として約48重量 %存在する、請求項10に記載の複合体。 26. 前記吸収性材料は、前記複合体の総重量を基準として約40重量%存在 する、請求項13に記載の複合体。 27. 前記ポリアミド−エピクロロヒドリン樹脂は、前記複合体の総重量を基 準として約0.5重量%存在する、請求項18に記載の複合体。 28. 請求項1の複合体を取り入れた吸収性物品。 29. 前記物品はおむつである、請求項28に記載の吸収性物品。 30. 前記物品は女性用ケア製品である、請求項28に記載の吸収性物品。 31. 前記物品は成人用失禁用製品である、請求項28に記載の吸収性物品。 32. 分散媒中で弾性繊維類、マトリックス繊維類、及び吸収性材料を組合せ て、繊維質スラリーを形成する工程と; 前記繊維質スラリーを有孔支持体上に堆積させて、湿潤複合体を形成する工程 と; 前記湿潤複合体を乾燥させて、繊維質マトリックスと吸収性材料とを含む吸収 性複合体を形成する工程と; を含む、吸収性複合体を形成する方法において、 前記繊維質マトリックスは、実質的に前記マトリックス全体にわたって分布す る空隙と空隙同士の間の流路とを規定し; 前記吸収性材料は、前記空隙の幾つかの内部に位置し; 前記空隙内に位置する前記吸収性材料は、前記空隙内に膨張可能である; 方法。 33. 前記弾性繊維類は架橋済みセルロース系繊維類を含む、請求項32に記 載の方法。 34. 前記マトリックス繊維類は木材パルプ繊維類を含む、請求項32に記載 の方法。 35. 前記吸収性材料は高吸収性材料を含む、請求項32に記載の方法。 36. 前記吸収性材料は前記分散媒中で膨潤可能である、請求項32に記載の 方法。 37. 前記吸収性材料は、前記分散媒中で自らの重量の約20倍未満を吸収す る、請求項32に記載の方法。 38. 前記繊維質スラリーはさらに湿潤強度増強剤を含む、請求項32に記載 の方法。 39. 前記湿潤強度増強剤はポリアミド−エピクロロヒドリン樹脂である、請 求項38に記載の方法。 40. 前記分散媒は水を含む、請求項32に記載の方法。 41. 前記分散媒はさらに界面活性剤を含む、請求項32に記載の方法。 42. 前記界面活性剤は、イオン性、非イオン性、及び両性界面活性剤からな る群から選択される、請求項41に記載の方法。 43. 前記繊維質スラリーは、コンシステンシー約0.05〜約15重量%固 形分を有する、請求項32に記載の方法。 44. 前記方法は湿式法である、請求項32に記載の方法。 45. 前記方法は発泡法である、請求項32に記載の方法。 46. 第1の分散媒中で弾性繊維類とマトリックス繊維類とを組合せて、第1 の繊維質スラリーを形成する工程と; 吸収性材料を第2の分散媒と組合せて、吸収性材料のスラリーを形成する工程 と; 前記吸収性材料のスラリーを前記第1の繊維質スラリーと組合せて、第2の繊 維質スラリーを提供する工程と; 前記第2の繊維質スラリーを有孔支持体上に堆積させて、湿潤複合体を形成す る工程と; 前記湿潤複合体を乾燥させて、繊維質マトリックスと吸収性材料とを含む吸収 性複合体を形成する工程と; を含む、吸収性複合体を形成する方法において、 前記繊維質マトリックスは、実質的に前記マトリックス全体にわたって分布す る空隙と空隙同士の間の流路とを規定し; 前記吸収性材料は、前記空隙の幾つかの内部に位置し; 前記空隙内に位置する前記吸収性材料は、前記空隙内に膨張可能である; 方法。 47. 前記第1の繊維質スラリーはさらに湿潤強度増強剤を含む、請求項46 に記載の方法。 48. 繊維質マトリックスと吸収性材料とを含む吸収性複合体を含む吸収性物 品において、 前記繊維質マトリックスは、実質的に前記マトリックス全体にわたって分布す る空隙と空隙同士の間の流路とを規定し; 前記吸収性材料は、前記空隙の幾つかの内部に位置し; 前記空隙内に位置する前記吸収性材料は、前記空隙内に膨張可能である; 吸収性物品。 49. 液体透過性最上部シートと; 繊維質マトリックスと吸収性材料とを含む吸収性複合体を含む貯留層において 、 前記繊維質マトリックスは、実質的に前記マトリックス全体にわたって分布す る空隙と空隙同士の間の流路とを規定し; 前記吸収性材料は、前記空隙の幾つかの内部に位置し; 前記空隙内に位置する前記吸収性材料は、前記空隙内に膨張可能である; 貯留層と; 液体非透過性背面シートと; を備える吸収性物品。 50. 液体透過性最上部シートと; 液体を迅速に捕捉し分配するための捕捉層と; 繊維質マトリックスと吸収性材料とを含む吸収性複合体を含む貯留層において 、 前記繊維質マトリックスは、実質的に前記マトリックス全体にわたって分布す る空隙と空隙同士の間の流路とを規定し; 前記吸収性材料は、前記空隙の幾つかの内部に位置し; 前記空隙内に位置する前記吸収性材料は、前記空隙内に膨張可能である; 貯留層と; 液体非透過性背面シートと; を備える吸収性物品。 51. 液体透過性最上部シートと; 液体を迅速に捕捉し分配するための捕捉層と; 繊維質マトリックスと吸収性材料とを含む吸収性複合体を含む貯留層において 、 前記繊維質マトリックスは、実質的に前記マトリックス全体にわたって分布す る空隙と空隙同士の間の流路とを規定し; 前記吸収性材料は、前記空隙の幾つかの内部に位置し; 前記空隙内に位置する前記吸収性材料は、前記空隙内に膨張可能である; 貯留層と; 前記捕捉層と前記貯留層との間に介在する中間層と; 液体非透過性背面シートと; を備える吸収性物品。 52. 前記中間層は、液体透過性ティッシュ及び分配層からなる群から選択さ れる、請求項51に記載の吸収性物品。 53. 前記物品は女性用ケア製品である、請求項49に記載の吸収性物品。 54. 前記物品は、おむつ及び失禁用製品からなる群から選択される、請求項 48〜52のいずれか1項に記載の吸収性物品。 55. レッグギャザーをさらに含む、請求項48〜52のいずれか1項に記載 の吸収性物品。 56. 液体透過性最上部シートと; 液体を捕捉し分配するための捕捉層と; 貯留層と; 液体非透過性背面シートと; を備える吸収性物品において、 前記捕捉層は、繊維質マトリックスと吸収性材料とを含む吸収性複合体を含み 、 前記繊維質マトリックスは、実質的に前記マトリックス全体にわたって分布す る空隙と空隙同士の間の流路とを規定し; 前記吸収性材料は、前記空隙の幾つかの内部に位置し; 前記空隙内に位置する前記吸収性材料は、前記空隙内に膨張可能である; 吸収性物品。 57. 前記捕捉層は、前記貯留コアの上表面面積よりも小さい上表面面積を有 する、請求項56に記載の吸収性物品。 58. 前記捕捉層は、前記貯留コアの上表面面積にほぼ等しい上表面面積を有 する、請求項56に記載の吸収性物品。 59. 前記貯留層は、繊維質マトリックスと吸収性材料とを含む吸収性複合体 を含み、 前記繊維質マトリックスは、実質的に前記マトリックス全体にわたって分布す る空隙と空隙同士の間の流路とを規定し; 前記吸収性材料は、前記空隙の幾つかの内部に位置し; 前記空隙内に位置する前記吸収性材料は、前記空隙内に膨張可能である; 請求項56に記載の吸収性物品。
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US4639597P | 1997-05-13 | 1997-05-13 | |
US60/046,395 | 1997-05-13 | ||
PCT/US1998/009682 WO1998051251A1 (en) | 1997-05-13 | 1998-05-12 | Reticulated absorbent composite |
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EP (1) | EP1011577A4 (ja) |
JP (1) | JP2001527476A (ja) |
KR (1) | KR100572781B1 (ja) |
CN (1) | CN1255843A (ja) |
AU (1) | AU7382898A (ja) |
BR (1) | BR9808783A (ja) |
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- 1998-05-12 CA CA002288689A patent/CA2288689A1/en not_active Abandoned
- 1998-05-12 KR KR1019997010438A patent/KR100572781B1/ko not_active IP Right Cessation
- 1998-05-12 AU AU73828/98A patent/AU7382898A/en not_active Abandoned
- 1998-05-12 CN CN98805065A patent/CN1255843A/zh active Pending
- 1998-05-12 WO PCT/US1998/009682 patent/WO1998051251A1/en not_active Application Discontinuation
- 1998-05-12 BR BR9808783-5A patent/BR9808783A/pt not_active Application Discontinuation
- 1998-05-12 EP EP98921152A patent/EP1011577A4/en not_active Withdrawn
- 1998-08-27 US US09/141,152 patent/US6969781B2/en not_active Expired - Fee Related
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2002
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Cited By (4)
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JP2010136969A (ja) * | 2008-12-15 | 2010-06-24 | Kao Corp | 吸収体及び吸収体の製造方法並びに吸収性物品 |
JP2013535248A (ja) * | 2010-07-15 | 2013-09-12 | ザ プロクター アンド ギャンブル カンパニー | 吸収性コア |
JP2015514884A (ja) * | 2012-04-26 | 2015-05-21 | ストラ エンソ オサケ ユキチュアユルキネンStora Enso Oyj | 紙または板紙の繊維ウェブおよびその製造方法 |
JP2018527474A (ja) * | 2015-07-07 | 2018-09-20 | ストラ エンソ オーワイジェイ | 繊維材料からの成形トレイ又はプレート及びその製造方法 |
Also Published As
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KR100572781B1 (ko) | 2006-04-19 |
EP1011577A1 (en) | 2000-06-28 |
US6962645B2 (en) | 2005-11-08 |
US6969781B2 (en) | 2005-11-29 |
EP1011577A4 (en) | 2004-06-16 |
WO1998051251A1 (en) | 1998-11-19 |
US20030009141A1 (en) | 2003-01-09 |
AU7382898A (en) | 1998-12-08 |
CA2288689A1 (en) | 1998-11-19 |
CN1255843A (zh) | 2000-06-07 |
KR20010012483A (ko) | 2001-02-15 |
US20030120236A1 (en) | 2003-06-26 |
BR9808783A (pt) | 2000-08-01 |
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