JP4444333B2 - 不透明度が向上した吸収性物品 - Google Patents
不透明度が向上した吸収性物品 Download PDFInfo
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- JP4444333B2 JP4444333B2 JP2007505211A JP2007505211A JP4444333B2 JP 4444333 B2 JP4444333 B2 JP 4444333B2 JP 2007505211 A JP2007505211 A JP 2007505211A JP 2007505211 A JP2007505211 A JP 2007505211A JP 4444333 B2 JP4444333 B2 JP 4444333B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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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
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
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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
- A61F13/51—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 outer layers
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
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- D—TEXTILES; PAPER
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- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4391—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece characterised by the shape of the fibres
- D04H1/43912—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece characterised by the shape of the fibres fibres with noncircular cross-sections
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4391—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece characterised by the shape of the fibres
- D04H1/43914—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece characterised by the shape of the fibres hollow fibres
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/018—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the shape
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
- D04H5/06—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by welding-together thermoplastic fibres, filaments, or yarns
-
- 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
- A61F13/84—Accessories, not otherwise provided for, for absorbent pads
- A61F2013/8497—Accessories, not otherwise provided for, for absorbent pads having decorations or indicia means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/41—Opaque
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2555/00—Personal care
- B32B2555/02—Diapers or napkins
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/609—Cross-sectional configuration of strand or fiber material is specified
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/609—Cross-sectional configuration of strand or fiber material is specified
- Y10T442/611—Cross-sectional configuration of strand or fiber material is other than circular
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/637—Including strand or fiber material which is a monofilament composed of two or more polymeric materials in physically distinct relationship [e.g., sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, etc.] or composed of physical blend of chemically different polymeric materials or a physical blend of a polymeric material and a filler material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/659—Including an additional nonwoven fabric
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/659—Including an additional nonwoven fabric
- Y10T442/668—Separate nonwoven fabric layers comprise chemically different strand or fiber material
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dermatology (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Nonwoven Fabrics (AREA)
- Laminated Bodies (AREA)
Description
isposable Absorbent Article For Low-Viscosity Fecal Material)」(ロー(Roe),1994年8月30日発行);米国特許第5,260,345号「水性体液用の吸収性発泡材料とそのような材料を含有する吸収性物品(Absorbent Foam Materials For Aqueous Body Fluids and Absorbent Articles Containing Such Materials)」(デマレー(DesMarais)ら,1993年11月9日発行);米国特許第5,387,207号「水性体液用の湿潤まで薄い吸収性発泡材料及びそれを製造するプロセス(Thin-Until-Wet Absorbent Foam Materials For Aqueous Body Fluids And Process For Making Same)」(ダイヤー(Dyer)ら,1995年2月7日発行);及び米国特許第5,625,222号「非常に高い水対油比を有する高内相エマルションから製造された水性流体用の吸収性フォーム材料(Absorbent Foam Materials For Aqueous Fluids Made From high Internal Phase Emulsions Having Very High Water-To-Oil Ratios)」(デマレー(DesMarais)ら,1997年7月22日発行)に記載されている。
ticle With Selectively Expandable or Inflatable Component)」(アール(Ahr)ら,1999年12月7日発行)に記載されている。区画又は空隙の例は、米国特許第4,968,312号、名称「使い捨て糞便区画分けおむつ(Disposable Fecal Compartmenting Diaper)」(カーン(Khan),1990年11月6日発行);米国特許第4,990,147号、名称「排泄物質隔離のための弾性ライナーを有する吸収性物品(Absorbent Article With Elastic Liner For Waste Material Isolation)」(フリーランド(Freeland),1991年2月5日発行);米国特許第5,062,840号、名称「使い捨ておむつ(Disposable Diapers)」(ホルト(Holt)ら,1991年11月5日発行);米国特許第5,269,755号、名称「使い捨て吸収性物品のための三等分トップシート、及びこのような三等分トップシートを有する使い捨て吸収性物品(Trisection Topsheets For Disposable Absorbent Articles And Disposable Absorbent Articles Having Such Trisection Topsheets)」(フリーランド(Freeland)ら,1993年12月14日発行);及び米国特許出願10/764,939、名称「カフ付き物品(Articles with Cuffs)」(ジョージ・ミューラー(Joerg Mueller)ら,2004年1月26日出願)に開示されている。好適な横断方向バリアの例は、米国特許第5,554,142号、名称「多重有効高さの横断方向仕切りを有する吸収性物品(Absorbent Article Having Multiple Effective Height Transverse Partition)」(ドライア(Dreier)ら,1996年9月10日発行);PCT国際公開特許WO94/14395、名称「直立した横断方向仕切りを有する吸収性物品(Absorbent Article Having An Upstanding Transverse Partition)」(フリーランド(Freeland)ら、1994年7月7日公開);及び米国特許第5,653,703号「角のある直立した横断方向仕切りを有する吸収性物品(Absorbent Article Having Angular Upstanding Transverse Partition)」(ロー(Roe)ら,1997年8月5日発行)に記載されている。特に、低粘度糞便の取り扱いに好適な他の構造の例は、米国特許第5,941,864号(ロー(Roe)ら,1999年8月24日発行);米国特許第5,977,430号(ロー(Roe)ら,1999年11月2日発行)及び同第6,013,063号(ロー(Roe)ら,2000年1月11日発行)に開示されている。
不透明度は、それの後ろの背景を目立たなくする、材料の能力の測定値である。不透明度の測定のために必要な機材としては、以下が挙げられる:
ハンター・ラボスキャン(Hunter Labscan)XE(モデルNo.D25DP9000、45°/0°光学セットアップ)(ハンターラボ・アソシエイツ社(HunterLab Associates, Inc.)(バージニア州,レストン)から入手可能)、あるいは同等の45°/0°分光分析装置のような分光分析装置;
校正及び測定のための黒色と白色の標準プレート/タイル(同様に、ハンターラボ・アソシエイツ社(HunterLab Associates, Inc.)又は他の比色計会社から入手可能);
標準プレートを洗浄するための、エンボス加工していない、又はローションを含まないパフス(Puffs)(登録商標)のようないずれかの柔軟な吸収性ティッシュ;及び
試料をサイジングするためのカッター(例えば、アルファカッター、はさみ、ペーパーカッター)。
本発明の三葉状スパンボンド+スパンボンド/メルトブロウン/メルトブロウン/スパンボンド(S+SMMS)積層体である。成形S層は、異なる断面形状を有するフィラメントの混合物のスパンボンドポリプロピレンウェブである。ウェブは、三葉状成形フィラメントと、実質的に円形の成形フィラメントとの略50/50重量混合物を含む。成形S層の秤量は8gsmであり、概算のフィラメントデニール(g/9,000m)は1.25である。ウェブは、ヒル(Hill)社(フロリダ州,ウェストメルボルン)から入手可能である。三葉状成形S層は、実質的に着色剤を含まない。SMS層は、それぞれ秤量4gsmを有する二つのスパンボンド層の間に、それぞれ秤量1gsmを有する二つのメルトブロウン層を含む。SMMS層内では、M及び/又はSウェブは、もし存在するならば、略0.5重量%までの着色剤(例えば、TiO2のような染料及び顔料)をさらに含有してもよい。S層とSMMS層は、互いに結合していない。
比較の円形スパンボンド+スパンボンド/メルトブロウン/メルトブロウン/スパンボンド(S+SMMS)積層体である。成形S層は、秤量6gsmと、概算のデニール(g/9,000m)1.5とを有するスパンボンドポリプロピレンウェブである。フィラメントの断面形状は、実質的に円形である。実質的に円形の成形S層ウェブは、ノードソン社(Nordson Corp.)(オハイオ州,ウェストレイク)から入手可能である。実質的に円形の成形S層は、もし存在するならば、略0.5重量%までの着色剤(例えばTiO2)を含有してもよい。SMMS層は、実施例1のものである。S層とSMMS層は、互いに結合していない。
比較の円形スパンボンド+スパンボンド/メルトブロウン/メルトブロウン/スパンボンド(S+SMMS)積層体である。成形S層は、秤量10gsmと、概算のデニール(g/9,000m)2とを有するスパンボンドポリプロピレンウェブである。フィラメントの断面形状は、実質的に円形である。実質的に円形の成形S層ウェブは、アヴゴル不織布工業(Avgol Nonwoven Industries)(イスラエル(Isreal))から入手可能である。実質的に円形の成形S層は、もし存在するならば、略0.5重量%までの着色剤(例えばTiO2)を含有してもよい。SMMS層は、実施例1のものである。S層とSMMS層は、互いに結合していない。
本発明の三葉状スパンボンド+スパンボンド/メルトブロウン/メルトブロウン/スパンボンド(S+SMMS)積層体である。成形S層は、異なる断面形状を有するフィラメントの混合物のスパンボンドポリプロピレンウェブである。ウェブは、三葉状の成形フィラメントと、実質的に円形の成形フィラメントとの略50/50重量混合物を含む。成形S層の秤量は16gsmであり、概算のフィラメントデニール(g/9,000m)は1.25である。ウェブは、ヒル社(Hill, Inc.)(フロリダ州,メルボルン)から入手可能である。三葉状成形S層は、実質的に着色剤を含まない。SMMS層は、実施例1のものである。S層とSMMS層は、互いに結合していない。
比較の円形スパンボンド/メルトブロウン/メルトブロウン/スパンボンド(S+SMMS)積層体である。成形S層は、秤量16gsmと、概算のデニール(g/9,000m)2から2.5までとを有するスパンボンドポリプロピレンウェブである。成形S層は、実質的に円形の断面形状を有するフィラメントのスパンボンドポリプロピレンウェブであった。ウェブは、BBA不織布(テネシー州,オールドヒッコリー)から入手可能である。実質的に円形の成形S層は、もし存在するならば、略0.5重量%までの着色剤(例えばTiO2)を含有してもよい。SMMS層は、実施例1のものである。S層とSMMS層は、互いに結合していない。
本発明の三葉状スパンボンド+スパンボンド/メルトブロウン/メルトブロウン/スパンボンド(S+SMMS)積層体である。成形S層は、三葉状成形フィラメントのスパンボンドポリプロピレンウェブである。成形S層の秤量は8gsmであり、概算のフィラメントデニール(g/9,000m)は1.25である。ウェブは、ヒル社(Hill,Inc.)(フロリダ州,メルボルン)から入手可能である。三葉状成形S層は、実質的に着色剤を含まない。SMMS層は、実施例1のものである。S層とSMMS層は、互いに結合していない。
共に譲渡された(co-assigned)米国特許第5,085,654号(ブエル(Buell))に開示された使い捨て吸収性物品内での、実施例1のS+SMMS積層体(又は本発明の不織布積層体のいずれか)である。開示内では、カフ(例えば、ブエル(Buell)のコール・アウト15)は、部分的にS+SMS積層体を含んでもよい。特にS+SMS積層体は、米国特許第5,085,654号の図5に存在するカフの通気性要素(例えば、ブエル(Buell)のコール・アウト54)として役立つ。
Claims (8)
- 液体透過性トップシートと、液体不透過性バックシートと、前記トップシートおよび前記バックシートの間に設けられた吸収性コアと、前記トップシート上に設けられたレッグカフと、を備え、不織布積層体を含む吸収性物品であって、
前記不織布積層体は、
a)異なる断面形状を有する第一連続フィラメントの混合物を含む第一不織布層と、
b)第二連続フィラメントを含む第二不織布層と、
c)微細繊維を含み、前記第一不織布層との間に前記第二不織布層を挟む第三不織布層と、を有し、
前記不織布積層体において、
1)前記第二連続フィラメントのすべてが、前記第一連続フィラメントの全ての断面形状と異なる断面形状を有し、
2)前記第二不織布層が、5g/m2未満の秤量を有し、
3)第一層、第二層、及び第三層の総坪量が、55g/m2以下であり、
前記不織布積層体は、液体を閉じこめるため前記レッグカフの部分を形成する、ことを特徴とする、吸収性物品。 - 第一不織布層が4g/m2から7g/m2までの秤量を有し、第三不織布層が0.5g/m2から5g/m2までの秤量を有する、請求項1に記載の吸収性物品。
- 第一連続フィラメント及び第二連続フィラメントの断面形状は、円形、楕円形、長方形、四角形、三角形、中空、多葉状、及びこれらの組み合わせより成る群から選択される、請求項1又は2に記載の吸収性物品。
- 第一連続フィラメントの断面形状は三葉状である、請求項1〜3のいずれか一項に記載の吸収性物品。
- 不織布積層体が、同様に構成された不織布であって円形の断面形状の連続フィラメントを有する不織布を上回る不透明度を有する、請求項1〜4のいずれか一項に記載の吸収性物品。
- 不織布積層体から構成されるレッグカフをさらに含む、請求項1〜5のいずれか一項に記載の吸収性物品。
- 第一不織布層は、別個の断面形状を有する少なくとも二つの第一連続フィラメントを含み、第一連続フィラメントの少なくとも5重量%は、第二不織布層中の第二連続フィラメントの断面形状と異なる断面形状を有する、請求項1の吸収性物品。
- 第一不織布層が4g/m2から7g/m2までの秤量を有し、第三不織布層が0.5g/m2から5g/m2までの秤量を有する、請求項7の吸収性物品。
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-
2005
- 2005-03-11 US US11/077,780 patent/US20050215155A1/en not_active Abandoned
- 2005-03-23 JP JP2007505211A patent/JP4444333B2/ja not_active Expired - Fee Related
- 2005-03-23 WO PCT/US2005/009960 patent/WO2005095700A1/en not_active Application Discontinuation
- 2005-03-23 EP EP05729311.0A patent/EP1727929B1/en active Active
- 2005-03-23 CN CNB2005800081332A patent/CN100570034C/zh active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101800994B1 (ko) | 2014-04-10 | 2017-11-23 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 섬유 및 그를 포함하는 물품 |
Also Published As
Publication number | Publication date |
---|---|
US20050215155A1 (en) | 2005-09-29 |
EP1727929B1 (en) | 2015-01-21 |
JP2007529291A (ja) | 2007-10-25 |
CN1930338A (zh) | 2007-03-14 |
CN100570034C (zh) | 2009-12-16 |
WO2005095700A1 (en) | 2005-10-13 |
EP1727929A1 (en) | 2006-12-06 |
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