JP7004494B2 - ループ部材、及びおむつ - Google Patents
ループ部材、及びおむつ Download PDFInfo
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- JP7004494B2 JP7004494B2 JP2016190790A JP2016190790A JP7004494B2 JP 7004494 B2 JP7004494 B2 JP 7004494B2 JP 2016190790 A JP2016190790 A JP 2016190790A JP 2016190790 A JP2016190790 A JP 2016190790A JP 7004494 B2 JP7004494 B2 JP 7004494B2
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- loop
- layer
- nonwoven fabric
- short fiber
- fiber nonwoven
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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
- A61F13/56—Supporting or fastening means
- A61F13/62—Mechanical fastening means, ; Fabric strip fastener elements, e.g. hook and loop
- A61F13/622—Fabric strip fastener elements, e.g. hook and loop
- A61F13/627—Fabric strip fastener elements, e.g. hook and loop characterised by the loop
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B18/00—Fasteners of the touch-and-close type; Making such fasteners
- A44B18/0003—Fastener constructions
- A44B18/0011—Female or loop elements
-
- 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
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- 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
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/02—Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
-
- 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
- B32B5/02—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 structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
-
- 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
- B32B5/02—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 structural features of a fibrous or filamentary layer
- B32B5/024—Woven fabric
-
- 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
- B32B5/02—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 structural features of a fibrous or filamentary layer
- B32B5/026—Knitted fabric
-
- 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
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
-
- 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
- B32B2255/00—Coating on the layer surface
- B32B2255/26—Polymeric coating
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0223—Vinyl resin fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0292—Polyurethane fibres
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/04—Cellulosic plastic fibres, e.g. rayon
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/14—Mixture of at least two fibres made of different materials
-
- 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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/54—Yield strength; Tensile strength
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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
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/546—Flexural strength; Flexion stiffness
-
- 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
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
-
- 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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- 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
-
- 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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
-
- 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
- D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/559—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 by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered webs
-
- 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
- D04H11/00—Non-woven pile fabrics
- D04H11/08—Non-woven pile fabrics formed by creation of a pile on at least one surface of a non-woven fabric without addition of pile-forming material, e.g. by needling, by differential shrinking
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Textile Engineering (AREA)
- Biomedical Technology (AREA)
- Epidemiology (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)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Description
第1ループ層、第2ループ層及び基材層をこの順の配置で含む、面ファスナ用のループ部材であって、
該第1ループ層、該第2ループ層及び該基材層は、短繊維不織布を含み、
該第1ループ層の密度と該第2ループ層の密度とが互いに異なる、ループ部材を提供する。
本開示の別の態様は、本開示のループ部材を含む、おむつを提供する。
本開示の別の態様は、
第1ループ層、第2ループ層及び基材層をこの順の配置で含む、面ファスナ用のループ部材であって、
該第1ループ層、該第2ループ層及び該基材層は、短繊維不織布を含み、
該第1ループ層の柔軟度と該第2ループ層の柔軟度とが互いに異なる、ループ部材を提供する。
第1ループ層、第2ループ層及び基材層をこの順の配置で含む、面ファスナ用のループ部材であって、
該第1ループ層、該第2ループ層及び該基材層は、短繊維不織布を含み、
該第1ループ層の密度と該第2ループ層の密度とが互いに異なる、ループ部材である。
第1ループ層、第2ループ層及び基材層をこの順の配置で含む、面ファスナ用のループ部材であって、
該第1ループ層、該第2ループ層及び該基材層は、短繊維不織布を含み、
該第1ループ層の柔軟度と該第2ループ層の柔軟度とが互いに異なる、ループ部材である。
[実施例1~4、比較例1]
使用した短繊維不織布は、下記のとおりである。なお下記短繊維不織布はいずれもポリエチレン(鞘、融点は約115℃)/ポリプロピレン(芯、融点は約163℃)の芯鞘繊維で構成された不織布である。
第1ループ層:品番6.6 ESC cure repeat PE 1185、平均繊度6デニール、繊維長40mm、Fibervisions社から市販で入手可能
第2ループ層:品番6.6 ESC cure repeat PE 1185、平均繊度6デニール、繊維長40mm、Fibervisions社から市販で入手可能
基材層:品番1.7 ESC cure repeat PE 1185、平均繊度1.5デニール、繊維長40mm、Fibervisions社から市販で入手可能
第1ループ層:平均繊度4デニール、繊維長40mm
第2ループ層:品番6.6 ESC cure repeat PE 1185、平均繊度6デニール、繊維長40mm、Fibervisions社から市販で入手可能
基材層:品番1.7ESC cure repeat PE 1185、平均繊度1.5デニール、繊維長40mm、Fibervisions社から市販で入手可能
第1ループ層:品番6.6 ESC cure repeat PE 1185、平均繊度6デニール、繊維長40mm、Fibervisions社から市販で入手可能
第2ループ層:品番6.6 ESC cure repeat PE 1185、繊維長40mm、Fibervisions社から市販で入手可能
基材層:品番1.7 ESC cure repeat PE 1185、平均繊度1.5デニール、繊維長40mm、Fibervisions社から市販で入手可能
第1ループ層:平均繊度4デニール、繊維長40mm
第2ループ層:6.6 ESC cure repeat PE 1185、平均繊度6デニール、繊維長40mm、Fibervisions社から市販で入手可能
基材層:1.7 ESC cure repeat PE 1185、平均繊度1.5デニール、繊維長40mm、Fibervisions社から市販で入手可能
ループ層(第2ループ層に相当するもののみ):品番6.6 ESC cure repeat PE 1185、平均繊度6デニール、繊維長40mm、Fibervisions社から市販で入手可能
基材層:品番1.7 ESC cure repeat PE 1185、平均繊度1.5デニール、繊維長40mm、Fibervisions社から市販で入手可能
下記オーブン内で下記条件にて、不織布を高温エアスルー加工して融着した。
オーブン:STRAHM HiPer(TM) Therm System(Strahm Textile Systems AG社製)
ライン速度:70mpm
エアスルー温度:145℃
エアブロー量(*):30%
(*)オーブンの最大吹出量100%に対する割合
下記オーブン内で下記条件にて、不織布を低温エアスルー加工して融着した。
オーブン:STRAHM HiPer(TM) Therm System(Strahm Textile Systems AG社製)
ライン速度:70mpm
エアスルー温度:131℃
エアブロー量(*):23%
(*)オーブンの最大吹出量100%に対する割合
不織布を、150℃の熱ポイントボンドローラーに通して100%カレンダー(フットボールパターン)加工した。
1.135°剥離強度
135°剥離強度は、雄材として1600ピン/平方インチのフック部材(3Mカンパニー製 1600DH)(20mm×25mm)を用い、JTM-1343に準拠して測定した。ループ部材及び雄材の係合と135°剥離とを10回繰り返したときの初回及び10回目の135°剥離強度を記録した。
第1及び第2ループ層のそれぞれの材料をループ部材として積層する前の試料について、柔軟度をJIS L1096で規定されるカンチレバー法で測定した。試料から25mm×250mmの試験片を採取した。試験片の一端を、カンチレバー形試験機のプラットホームの前端に合わせて置き、鋼製定規の0点をマークDに合わせた状態で鋼製定規を試験片の上に載せ、鋼製定規と試験片とを一緒に斜面の方向に緩やかに一定速度で押し出し、鋼製定規を移動して8秒間放置した後,試験片の突き出た長さを鋼製定規から読み取った。各層の材料についてそれぞれMD方向(Machine Direction)とCD方向(Cross Direction)について実施した。
11 第1ループ層
12 第2ループ層
13 基材層
14 印刷層
本開示の実施態様の一部を以下の[項目1]-[項目14]に記載する。
[項目1]
第1ループ層、第2ループ層及び基材層をこの順の配置で含む、面ファスナ用のループ部材であって、
前記第1ループ層、前記第2ループ層及び前記基材層は、短繊維不織布を含み、
前記第1ループ層の密度と前記第2ループ層の密度とが互いに異なる、ループ部材。
[項目2]
前記第2ループ層の密度が、前記第1ループ層の密度よりも大きくかつ前記基材層の密度よりも小さい、項目1に記載のループ部材。
[項目3]
前記第1ループ層の密度が、10kg/m 3 ~80kg/m 3 であり、
前記第2ループ層の密度が、30kg/m 3 ~120kg/m 3 であり、
前記基材層の密度が、100kg/m 3 ~300kg/m 3 である、項目2に記載のループ部材。
[項目4]
第1ループ層、第2ループ層及び基材層をこの順の配置で含む、面ファスナ用のループ部材であって、
前記第1ループ層、前記第2ループ層及び前記基材層は、短繊維不織布を含み、
前記第1ループ層の柔軟度と前記第2ループ層の柔軟度とが互いに異なる、ループ部材。
[項目5]
前記第1ループ層は、前記第2ループ層よりも柔軟である、項目4に記載のループ部材。
[項目6]
カンチレバー法で測定した前記第1ループ層の柔軟度が、1mm/25mm幅~40mm/25mm幅であり、
カンチレバー法で測定した前記第2ループ層の柔軟度が、20mm/25mm幅~150mm/25mm幅である、項目5に記載のループ部材。
[項目7]
前記基材層中の繊維の平均繊度Aに対する前記第1ループ層の繊維の平均繊度Bの比(B/A)が、1.5~30であり、
前記基材層中の繊維の平均繊度Aに対する前記第2ループ層の繊維の平均繊度Cの比(C/A)が、1.5~30である、項目1~6のいずれか一項に記載のループ部材。
[項目8]
前記第1ループ層の厚みが、80μm~700μmであり、
前記第2ループ層の厚みが、200μm~1000μmであり、
前記基材層の厚みが、15μm~120μmである、項目1~7のいずれか一項に記載のループ部材。
[項目9]
前記第2ループ層の前記短繊維不織布が融着されており、
前記基材層の前記短繊維不織布がカレンダー加工されている、項目1~8のいずれか一項に記載のループ部材。
[項目10]
前記第2ループ層の前記短繊維不織布が、第1の融点を有する芯部と、前記第1の融点よりも低い第2の融点を有する鞘部とを有する芯鞘繊維を含む、項目1~9のいずれか一項に記載のループ部材。
[項目11]
前記第2ループ層の前記短繊維不織布が、前記第1の融点と前記第2の融点との間の温度で前記融着されている、項目10に記載のループ部材。
[項目12]
前記第1ループ層、前記第2ループ層及び前記基材層の前記短繊維不織布が、それぞれ、ポリプロピレン芯部とポリエチレン鞘部とを有する芯鞘繊維を含む、項目1~11のいずれか一項に記載のループ部材。
[項目13]
前記ループ部材に対する、突起物を有し当該ループ部材に係合可能な面ファスナ用フックの係合と剥離とを、1回行った後の135度剥離強度が0.8N/25.4mm以上10N/25.4mm以下であり、かつ10回繰り返したときの10回目の135度剥離強度が0.4N/25.4mm以上10N/25.4mm以下である、項目1~12のいずれか一項に記載のループ部材。
[項目14]
項目1~13のいずれか一項に記載のループ部材を含む、おむつ。
Claims (10)
- 第1ループ短繊維不織布層、第2ループ短繊維不織布層及び短繊維不織布基材層をこの順の配置で含む、面ファスナ用のループ部材であって、
前記第1ループ短繊維不織布層の密度と前記第2ループ短繊維不織布層の密度とが互いに異なり、
前記第2ループ短繊維不織布層の密度が、前記第1ループ短繊維不織布層の密度よりも大きくかつ前記短繊維不織布基材層の密度よりも小さく、
前記第1ループ短繊維不織布層の密度が、10kg/m3~80kg/m3であり、
前記第2ループ短繊維不織布層の密度が、30kg/m3~120kg/m3であり、
前記短繊維不織布基材層の密度が、100kg/m3~300kg/m3であり、
前記短繊維不織布基材層中の繊維の平均繊度Aに対する前記第2ループ短繊維不織布層の繊維の平均繊度Cの比(C/A)が、1.5~30である、
ループ部材。 - 第1ループ短繊維不織布層、第2ループ短繊維不織布層及び短繊維不織布基材層をこの順の配置で含む、面ファスナ用のループ部材であって、
前記第1ループ短繊維不織布層の柔軟度と前記第2ループ短繊維不織布層の柔軟度とが互いに異なり、
前記第1ループ短繊維不織布層は、前記第2ループ短繊維不織布層よりも柔軟であり、
カンチレバー法で測定した前記第1ループ短繊維不織布層の柔軟度が、1mm/25mm幅~40mm/25mm幅であり、
カンチレバー法で測定した前記第2ループ短繊維不織布層の柔軟度が、20mm/25mm幅~150mm/25mm幅であり、
前記短繊維不織布基材層中の繊維の平均繊度Aに対する前記第2ループ短繊維不織布層の繊維の平均繊度Cの比(C/A)が、1.5~30である、
ループ部材。 - 前記短繊維不織布基材層中の繊維の平均繊度Aに対する前記第1ループ短繊維不織布層の繊維の平均繊度Bの比(B/A)が、1.5~30である、
請求項1又は2に記載のループ部材。 - 前記第1ループ短繊維不織布層の厚みが、80μm~700μmであり、
前記第2ループ短繊維不織布層の厚みが、200μm~1000μmであり、
前記短繊維不織布基材層の厚みが、15μm~120μmである、請求項1~3のいずれか一項に記載のループ部材。 - 前記第2ループ短繊維不織布層の短繊維不織布が融着されており、
前記短繊維不織布基材層の短繊維不織布がカレンダー加工されている、請求項1~4のいずれか一項に記載のループ部材。 - 前記第2ループ短繊維不織布層の短繊維不織布が、第1の融点を有する芯部と、前記第1の融点よりも低い第2の融点を有する鞘部とを有する芯鞘繊維を含む、請求項1~5のいずれか一項に記載のループ部材。
- 前記第2ループ短繊維不織布層の短繊維不織布が、前記第1の融点と前記第2の融点との間の温度で融着されている、請求項6に記載のループ部材。
- 前記第1ループ短繊維不織布層、前記第2ループ短繊維不織布層及び前記短繊維不織布基材層の短繊維不織布が、それぞれ、ポリプロピレン芯部とポリエチレン鞘部とを有する芯鞘繊維を含む、請求項1~7のいずれか一項に記載のループ部材。
- 前記ループ部材に対する、突起物を有し当該ループ部材に係合可能な面ファスナ用フックの係合と剥離とを、1回行った後の135度剥離強度が0.8N/25.4mm以上10N/25.4mm以下であり、かつ10回繰り返したときの10回目の135度剥離強度が0.4N/25.4mm以上10N/25.4mm以下である、請求項1~8のいずれか一項に記載のループ部材。
- 請求項1~9のいずれか一項に記載のループ部材を含む、おむつ。
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US16/337,838 US20200030165A1 (en) | 2016-09-29 | 2017-09-27 | Loop member and diaper |
CN201780068469.0A CN109906068B (zh) | 2016-09-29 | 2017-09-27 | 环构件和尿布 |
EP17791154.2A EP3518853B1 (en) | 2016-09-29 | 2017-09-27 | Loop member and diaper |
PCT/IB2017/055909 WO2018060885A1 (en) | 2016-09-29 | 2017-09-27 | Loop member and diaper |
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