JP6313868B2 - カード処理された短繊維不織布 - Google Patents
カード処理された短繊維不織布 Download PDFInfo
- Publication number
- JP6313868B2 JP6313868B2 JP2016570293A JP2016570293A JP6313868B2 JP 6313868 B2 JP6313868 B2 JP 6313868B2 JP 2016570293 A JP2016570293 A JP 2016570293A JP 2016570293 A JP2016570293 A JP 2016570293A JP 6313868 B2 JP6313868 B2 JP 6313868B2
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- JP
- Japan
- Prior art keywords
- fibers
- nonwoven fabric
- short fiber
- absorbent
- fiber nonwoven
- 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.)
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Images
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- 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
- D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
-
- 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
- D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/492—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
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- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Nonwoven Fabrics (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Description
「吸収性物品」とは、液体を吸収かつ/又は収容する着用可能デバイスを指し、より詳細には、着用者の身体に接して、又は近接して配置されることで身体から排出される様々な排出物を吸収かつ収容する装置を指す。吸収性物品としては、おむつ、トレーニングパンツ、成人用失禁下着(例えば、ライナー、パッド及びブリーフ)、及び/又は女性用衛生用品を挙げることができる。
図5は、連続的なカード処理された短繊維不織布の製造プロセスの一例の簡略化した概略図を示す。理解されるように、図5のプロセスにより作製されたカード処理された短繊維不織布は、図1〜図2の生理用ナプキン10のような各種の吸収性物品の他、おむつ、トレーニングパンツ、成人用失禁下着などを含む他の種々の吸収性物品の製造に使用することができる。
以下の試験試料を使用した。
(1).本明細書において開示される繊維線密度の測定値は、ASTM番号D1577−07において詳述されるように、織物繊維の線密度標準試験法を用いて得られた。
(2).本明細書において開示される繊維長さの測定値は、ASTM番号D5103−07において詳述されるように、製造短繊維の長さ及び長さ分布の標準試験法(単繊維試験)を用いて得られた。
(3).本明細書において開示される容量の測定値は、Worldwide Strategic Partners(WSP)試験方法10.1を用いて得られた。
(4).本明細書において開示される厚さの測定値は、荷重0.5kpaを使用して、Worldwide Strategic Partners(WSP)試験方法120.6を用いて得られた。その後試験した試料については、荷重1.43kPa、液滴速度0.8cm/秒(0.3インチ/秒)及び滞留時間2秒で、50.8mmアンビル直径を使用した。
(5).本明細書において開示されるMD曲げ長さ及びCD曲げ長さの測定値は、Worldwide Strategic Partners(WSP)試験方法90.5を用いて得られた。その後試験した試料については、試料サイズを25mm×少なくとも85mmで使用したことに留意されたい。
(6).本明細書において開示される空気透過率の測定値は、Worldwide Strategic Partners(WSP)試験方法70.1を用いて得られた。その後試験した試料については、圧力低下125Pa、及び開口部38.3cm2を使用した。
(7).本明細書において開示される坪量の測定値は、Worldwide Strategic Partners(WSP)試験方法130.1を用いて得られた。
(8).本明細書において開示される細孔容積半径最頻値及び細孔容積比は、細孔容積分布に関する以下の方法によって得られた。
細孔容積分布測定は、TRI/オートポロシメーター(TRI/Princeton Inc.(ニュージャージー州プリンストン))上で行われる。TRI/オートポロシメーターは、多孔性材料の細孔容積取り込み及び細孔径分布の測定のための、自動コンピュータ制御計器である。ここで測定は、吸収、脱着及び第2の吸収サイクル中、制限圧力1.7kPa(0.25psi)を使用して、最初に乾燥試料で実施される。5μmと1000μmの間の細孔が測定された。TRI/オートポロシメーターについての情報、その操作及びデータ処理については、本明細書に参考として組み込まれるJournal of Colloid and Interface Science 162(1994)、pp.163〜170に見出すことができる。
圧力差=[2γ cos Θ]/有効半径
式中、γ=液体表面張力、及びΘ=接触角である。
本実験では、γ=2.7Pa(27ダイン/cm2)/重力の加速度であり、cosΘ=1°である。
フィルターを、直径9cm×厚さ0.6cmのMonel多孔性フリット807にKRYLON(登録商標)スプレー塗料(FilmTools Gloss White Spray Paint #1501)を使用して接着することによって、直径9cmの0.22μm膜フィルター(混合セルロースエステル、Millipore GSWP(EMD Millipore Corp.(マサチューセッツ州ビレリカ)))を得る。このフリット/膜を使用前に乾燥させる。
累積容積(mm3/mg)=[試験片流体取り込み(mg)−ブランク液体取り込み(mg)]/ヘキサデカンの密度(g/cm3)/試料質量(mg)
細孔容積(mm3/μm・g)=有効半径の変化(μm)/[累積容積の変化(mm3/mg)*1000]
試料1は、
(a)25%中空、螺旋状ポリエチレンテレフタレート繊維(10dtex、ステープル長さ)と、
(b)35% 3葉レーヨン繊維(3.3dtex、ステープル長さ)と、
(c)40%円形ポリプロピレン繊維(6.7dtex、ステープル長さ)と、の均質な混合物から製造される、短繊維不織布55gsmである。
(a)25%中空、螺旋状ポリエチレンテレフタレート繊維(10dtex、ステープル長さ)と、
(b)35% 3葉レーヨン繊維(3.3dtex、ステープル長さ)と、
(c)40%円形ポリプロピレン繊維(6.7dtex、ステープル長さ)と、の均質な混合物から製造される、短繊維不織布75gsmである。
(a)40%円形ビスコースレーヨン繊維(1.7dtex、ステープル長さ)と、
(b)60%円形ポリプロピレン繊維(1.7dtex、ステープル長さ)と、の均質な混合物から製造される、カード処理された短繊維不織布55gsmである。
(a)60%円形ビスコースレーヨン繊維(1.7dtex、ステープル長さ)と、
(b)40%円形ポリプロピレン繊維(1.7dtex、ステープル長さ)と、の均質な混合物から製造される、カード処理された短繊維不織布55gsmである。
(a)25%中空、螺旋状ポリエチレンテレフタレート繊維(10dtex、ステープル長さ)と、
(b)35% 3葉レーヨン繊維(3.3dtex、ステープル長さ)と、
(c)40%円形ポリプロピレン繊維(1.7dtex、ステープル長さ)と、の均質な混合物から製造される、カード処理された短繊維不織布50gsmである。
(a)25%中空、螺旋状ポリエチレンテレフタレート繊維(10dtex、ステープル長さ)と、
(b)35%ビスコースレーヨン繊維(1.7dtex、ステープル長さ)、
(c)40%円形ポリプロピレン繊維(6.7dtex、ステープル長さ)と、の均質な混合物から製造される、短繊維不織布55gsmである。
(a)35%中空、螺旋状ポリエチレンテレフタレート繊維(10dtex、ステープル長さ)と、
(b)35%円形ポリエチレンテレフタレート繊維(6.7dtex、ステープル長さ)と、
(c)30%ラテックスと、の均質な混合物から製造される、カード処理されたラテックス結合不織布43gsmである。
(a)35%中空、螺旋状ポリエチレンテレフタレート繊維(10dtex、ステープル長さ)と、
(b)35%円形ポリエチレンテレフタレート繊維(6dtex、ステープル長さ)と、
(c)30%ラテックスと、の均質な混合物から製造される、カード処理されたラテックス結合不織布60gsmである。
Claims (8)
- 40グラム/平方メートル(gsm)〜150gsmの坪量を有し、吸収性繊維、剛化繊維及び充填繊維の混合物を含む、カード処理された短繊維不織布において、熱溶着されていないことと、100m3/m2/分〜500m3/m2/分の空気透過率、及び60μm〜120μmの細孔体積半径の最頻値を有することと、
前記剛化繊維が、ポリエチレンテレフタレート(PET)で形成された中空の螺旋状繊維を含み、6dtex〜15dtexの線密度を有することと、
前記充填繊維が、ポリプロピレン(PP)で形成された中実の円形繊維を含み、3dtex以上の線密度を有することを特徴とする、カード処理された短繊維不織布。 - 坪量10gsm当たり0.08mm〜0.20mmの厚さを有することを特徴とする、請求項1に記載のカード処理された短繊維不織布。
- 0.5mm〜3mmの厚さを有することを特徴とする、請求項1又は2に記載のカード処理された短繊維不織布。
- 45gsm〜85gsmの坪量を有することを特徴とする、請求項1〜3のいずれか一項に記載のカード処理された短繊維不織布。
- 4.8mN・cm未満のMD曲げ剛性を有することを特徴とする、請求項1〜4のいずれか一項に記載のカード処理された短繊維不織布。
- 8よりも大きい細孔体積比を有することを特徴とする、請求項1〜5のいずれか一項に記載のカード処理された短繊維不織布。
- 前記吸収性繊維が、レーヨンで形成された三葉形繊維を含み、2dtex〜6dtexの線密度を有することを特徴とする、請求項1〜6のいずれか一項に記載のカード処理された短繊維不織布。
- 前記剛化繊維が、前記カード処理された短繊維不織布の10重量%〜50重量%を形成し、前記吸収性繊維が、前記カード処理された短繊維不織布の10重量%〜50重量%を形成することを特徴とする、請求項1〜7のいずれか一項に記載のカード処理された短繊維不織布。
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US201462008677P | 2014-06-06 | 2014-06-06 | |
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PCT/US2015/034337 WO2015188032A1 (en) | 2014-06-06 | 2015-06-05 | Carded staple fiber nonwovens |
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DE112021004014T5 (de) | 2020-07-30 | 2023-06-01 | The Procter & Gamble Company | Verpackungsmaterial mit naturfasern für absorptionsartikel |
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CN116635581A (zh) * | 2020-12-31 | 2023-08-22 | 金伯利-克拉克环球有限公司 | 纤维纤网以及由其制成的涌流层 |
WO2022192172A1 (en) | 2021-03-08 | 2022-09-15 | The Procter & Gamble Company | Absorbent article |
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US20230135421A1 (en) | 2021-10-20 | 2023-05-04 | The Procter & Gamble Company | Adhesive for an absorbent article |
US20230165737A1 (en) | 2021-12-01 | 2023-06-01 | The Procter & Gamble Company | Arrays of absorbent article packages with natural fibers |
WO2023172866A1 (en) | 2022-03-09 | 2023-09-14 | The Procter & Gamble Company | Feminine hygiene article |
US20240315888A1 (en) | 2023-03-21 | 2024-09-26 | The Procter & Gamble Company | Absorbent article packaged in a material comprising natural fibers |
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RU2477112C1 (ru) | 2011-12-21 | 2013-03-10 | Федеральное государственное унитарное предприятие "Аварийно-технический центр Минатома России" (Санкт-Петербург) | Слоистое абсорбирующее изделие |
DE102012015219A1 (de) * | 2012-08-03 | 2014-02-06 | Sandler Ag | Zwischenspeichervlies |
CN106460268B (zh) | 2014-06-06 | 2019-06-18 | 宝洁公司 | 粗梳短纤维非织造布 |
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- 2015-06-05 ES ES15729048T patent/ES2783274T3/es active Active
- 2015-06-05 US US14/731,802 patent/US10307309B2/en active Active
- 2015-06-05 JP JP2016570293A patent/JP6313868B2/ja active Active
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JP2017516924A (ja) | 2017-06-22 |
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CA2948889A1 (en) | 2015-12-10 |
WO2015188032A1 (en) | 2015-12-10 |
EP3151802B1 (en) | 2020-01-22 |
CN106460268A (zh) | 2017-02-22 |
RU2016147035A (ru) | 2018-07-10 |
CN106460268B (zh) | 2019-06-18 |
IL249358A0 (en) | 2017-02-28 |
US10307309B2 (en) | 2019-06-04 |
BR112016028320A2 (pt) | 2017-08-22 |
EP3151802A1 (en) | 2017-04-12 |
ES2783274T3 (es) | 2020-09-17 |
HUE049497T2 (hu) | 2020-09-28 |
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