JP7170039B2 - 適合特徴部を有する吸収性物品 - Google Patents
適合特徴部を有する吸収性物品 Download PDFInfo
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- JP7170039B2 JP7170039B2 JP2020523293A JP2020523293A JP7170039B2 JP 7170039 B2 JP7170039 B2 JP 7170039B2 JP 2020523293 A JP2020523293 A JP 2020523293A JP 2020523293 A JP2020523293 A JP 2020523293A JP 7170039 B2 JP7170039 B2 JP 7170039B2
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- A61F2013/5103—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 with special fibres being polymeric fibres being hydrophobic
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- 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
- A61F2013/530131—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 in fibre but being not pulp
- A61F2013/530226—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 in fibre but being not pulp with polymeric fibres
- A61F2013/530233—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 in fibre but being not pulp with polymeric fibres being thermoplastic fibres
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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
- A61F13/53—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
- A61F2013/530131—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 in fibre but being not pulp
- A61F2013/530226—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 in fibre but being not pulp with polymeric fibres
- A61F2013/53024—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 in fibre but being not pulp with polymeric fibres being bicomponent fibres
-
- 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
- A61F13/53—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
- A61F2013/530131—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 in fibre but being not pulp
- A61F2013/530343—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 in fibre but being not pulp being natural fibres
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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
- A61F13/53—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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- 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
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/02—Moisture-responsive characteristics
- D10B2401/021—Moisture-responsive characteristics hydrophobic
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2509/00—Medical; Hygiene
- D10B2509/02—Bandages, dressings or absorbent pads
- D10B2509/026—Absorbent pads; Tampons; Laundry; Towels
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (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)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Botany (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Description
本開示のプロセスは、吸収性物品の構成要素間の密着領域を有する吸収性物品を提供することができ、これにより、捕捉速度の改善と共に、漏れの可能性の低減することができる。また、本明細書で論じられるように、本開示のプロセスは、改善された捕捉速度と共に、従来の対応物よりもはるかに複雑な表面に適合する能力を、吸収性物品を提供することができる。
吸収性物品の隣接する層間に密着を作り出すために利用され得るいくつかの単位動作が存在する。一部の例について、以下により詳細に説明する。
層間に密着を作り出すためのプロセスの一例は、水流交絡、つまりスパンレースである。スパンレース単位動作では、前駆体ウェブ又は改質ウェブは、不織布ウェブのフィラメント及び/又は繊維を相互係合させる高速水噴流に供される。スパンレースプロセスは、得られる積層体に構造的一体性を提供することに加えて、不織布ウェブのフィラメント及び/又は繊維のZ方向の一体化を作り出すことによって不織布ウェブ間に密着を生じさせることができる。スパンレースプロセスは、一般に当該技術分野において既知である。本明細書に記載される任意の単位動作又は複数のその動作は、スパンレースプロセスを含み得る。
別の例は、ニードルパンチである。スパンレースと同様に、ニードルパンチプロセスは、不織布ウェブのフィラメント及び/又は繊維のZ方向の一体化を作り出すことによって、層間に密着を作り出すことができる。ニードルパンチは、スパンボンドされた、カーディングされた、又は織物のウェブのフィラメント及び/又は繊維の機械的相互係合を伴う。ニードルパンチプロセスでは、複数の有棘針が、前駆体ウェブ又は改質ウェブを繰り返し通過し、ウェブのフィラメント及び/又は繊維を正及び/又は負のZ方向に押す。ニードルパンチプロセスは、一般に当該技術分野において周知である。本明細書に記載される任意の単位動作又は複数のその動作は、ニードルパンチプロセスを含み得る。
吸収性物品の層間の密着を形成するための好適な単位動作のいくつかの例としては、前駆体ウェブに突出部を形成できる単位動作が挙げられる。図5に関して、本明細書に記載されるいくつかの単位動作は、正及び/又は負のZ方向に突出部460を含む改質ウェブ335を製造することができる。負のZ方向の突出部は、凹部とも称され得る。一般に、突出部460は、遠位端462と、遠位端をベース部450に接続する側壁466と、を含む。ベース部450は、側壁466を、改質ウェブ335の第1の表面60又は対向する第2の表面62に接続する。本開示の突出部は、外側タフト、トンネルタフト、中実タフト、入れ子式タフト、隆起部及び溝部、並びに波形部を含んでもよい。
孔
流体管理においてある程度の利益をもたらす好適な単位動作としては、孔が挙げられる。しかしながら、本開示の目的のために、孔は、適合特徴部であるとは見なされない。図3A~図3F及び図9A~図9Bを参照すると、第1の単位動作40又は第2の単位動作は、開口プロセスを含んでもよい。例えば、本明細書に記載される単位動作は、薄化ローラー構成108と、漸増延伸システム132と、を含んでよい。前駆体ウェブ100は、ローラー110及び112によって形成される薄化ローラー(又は強結合)構成108のニップ106を通過することによって、複数の別個の高密度化薄化領域で前駆体ウェブ100を薄化し、それによって、薄化前駆体ウェブ100’を形成できる。ニップ106通過後の薄化前駆体ウェブ100は、強結合部のパターン又は高密度化薄化領域を有する。これらの強接合部の少なくとも一部又は全部が、本開示のウェブに孔を形成するために用いられる。したがって、強結合部のパターンは本開示のウェブに形成される孔のパターンと概ね相関し得る。
本明細書に記載される単位動作及びそれによって提供される特徴部は、ゾーン構成で吸収性物品に提供されてもよい。ゾーンは、吸収性物品の別の部分とは異なる視覚パターン、トポグラフィー、吸収速度又は特性、曲げパラメータ、圧縮弾性率、弾力性、伸張パラメータ、又はこれらの組み合わせのいずれかのうちの1つを呈する領域である。視覚パターンは、目で見え、人の心で考え出され得る任意の既知の幾何学的形状又はパターンを含んでもよい。トポグラフィーは、測定可能であり、人の心で考え出され得る任意の既知のパターンであってもよい。ゾーンは、反復されても別個であってもよい。ゾーンは、視覚的外観を提供する直交する形状及び連続部であってもよい。
発明者らは、驚くべきことに、流体管理に有益であるが、それ自体で製品の適合性に十分でない場合がある、密着部を見出した。例えば、ニードルパンチ及びスパンレース加工されたウェブは、隣接する層の間に密着を提供することによって、良好な流体処理特性を提供する一方で、それ自体に必要とされる適合性のレベルを提供することができない。むしろ、本明細書に記載されるメソスケールプロセスは、本明細書に記載されるように、改質ウェブ内に適合特徴部を形成するために、適切な間隔で利用されてもよい。
トップシート、FM層、吸収性コア、又はこれらの任意の組み合わせが、密着特徴部及び/又は適合特徴部を備えた後、改質ウェブを更に変換して吸収性物品を製造することができる。図18に示されるように、最終ウェブ1058(本明細書に記載される最終ウェブを含む)は、その後、図18に関して説明されるように加工され、複数の吸収性物品1039を作製することができる。
試料1:224gsmの全坪量を有する共形成された吸収性コア。共形成された吸収性コアは、121.8gsmのセルロース繊維、52.2gsmの3.0マイクロメートルの連続ポリプロピレン繊維、及び50gsmの超吸収性ポリマー(AGM)を含んでいた。これらの材料を均質にブレンドした。
対象とする層
物品の全ての構成層が試験されない以下の方法のいずれに対しても、対象とする層は、試験されない層から必要に応じてクライオスプレーを使用して分離してよい。
人工月経流体(AMF)は、脱線維ヒツジ血液、リン酸緩衝生理食塩水、及び粘液成分の混合物から構成される。AMFは、23℃で7.15~8.65センチストークスの粘度を有するように調製される。
ブロット試験は、吸取シートから物品に移動したAMFの量を(吸取シート上に残った残留AMFとして)測定し、物品の表面で測定されるとき、染みのサイズを測定する。このブロットを、合計5回同じ試験片で繰り返し、各ブロット後、吸取シート上の累積ブロット寸法及び個々の残留量を記録した。吸い取りシート(Apollo Plain Paper Copier Transparency Film、ACCOブランド(Ronkonkoma,NY)して入手可能、又は同等品)をブロット面として使用する。ASTM D7490-13によって決定される吸取シートの表面エネルギーは、約50mJ/m2であるべきである。試験のために、吸い取りシートを長さ76mm×幅63mmの寸法に切断する。長さ76mm×幅63mm×厚さ3mmのナイロン板を重しと合わせて、試験片上に0.69KPaの封圧を提供する合計質量を有する。本明細書に記載されるAMFを、試験流体として使用する。
試料のバンチ圧縮特性を、測定した力がセルの限界の10%~90%以内となるロードセルを使用した定速の延伸引張試験機(好適な計器は、MTS Systems Corp.(Eden Prairie,MN)から入手可能な、Testworks4.0Softwareを使用したMTS Alliance、又は同等品である)で測定する。全ての試験は、23℃±3℃で、50%±2%の相対湿度に調整された室内で行う。試験は湿潤状態又は乾燥状態で実施することができる。
0.69KPaでのキャリパー測定は、製品全体又は対象とする特定の層上で実施することができる。対象とする層は、必要に応じてクライオスプレーを使用して分離される。試験前に、23℃±3℃、及び50%±2%の相対湿度で2時間、試料を状態調整する。別段の指定がない限り、キャリパー測定は、視覚的に識別可能なゾーンの中心で行われる。
長繊維坪量は、物品のトップシート、二次トップシート、及びコアに見られる6.0mmより長い繊維の坪量を決定する。トップシート又は流体管理層として使用されるスパンレース、スパンボンド、又はフィルム積層体などの不織布は、長繊維として扱われる。
試料の曲げ特性を、測定した力がセルの限界の2%~90%以内となるロードセルを使用した定速の延伸引張試験機(好適な計器は、MTS Systems Corp.(Eden Prairie,MN)から入手可能な、Testworks4.0Softwareを使用したMTS Insight HSELである)で測定する。全ての試験は、23℃±3℃で、50%±2%の相対湿度に調整された室内で行う。
弾性率(N/mm2)=勾配*[253/(4*試料幅*キャリパー3)]
慣性モーメント(mm4)=(試料幅*キャリパー3)/12
曲げ剛性(N*mm2)=弾性率*慣性モーメント
このとき、キャリパー及び試料幅の単位はmmである。
NMR-MOUSE(Mobile Universal Surface Explorer)は、スキャナ表面に垂直な非常に均一な勾配を生成する永久磁石ジオメトリーを備えた携帯型開放NMRセンサーである。図23及び図24を参照すると、水平平面1006を有するフレーム1007は、試験片を支持し、試験中に静止したままである。試験片の平坦有効容積は、試験片への最大貫入深さを画定する位置で、磁石1010の上に配置された表面rfコイル1012によって励起され、検出される。高精度のリフト1008を用いて、試験片全体に有効なスライスを再配置することにより、スキャナは、高い空間分解能で試験片の構造の一次元プロファイルを生成することができる。
繰り返し時間=500ms
スキャン数=8
エコー数=8
分解能=100μm
ステップサイズ=-100μm
測定深さ=5mm
繰り返し時間=200ms
90°振幅=-7dB
180°振幅=0dB
パルス長=5μsエコー時間=90μs
エコー数=128
エコーシフト=1μs
トリガー前実験=50
トリガー後実験=2000
Rxゲイン=31dB
捕捉時間=8μs
スキャン数=1
本明細書に記載されるように調製された人工月経流体(AMF)を、物品の表面上に適用する。全ての測定は、一定温度(23℃±2℃)及び相対湿度(50%±2%)で実施される。
走査型電子顕微鏡(SEM)を使用して、凹部が意図的に作製されている吸収性物品の断面の画像を得る。この画像から、凹部に直接隣接する繊維塊の重なり量が測定される。全ての測定は、23℃±2℃及び相対湿度50%±2%で維持された実験室で実施され、試験片は、試験前に少なくとも2時間、この環境で調整される。
基材上の接触角は、本明細書に記載された仕様により改変されたASTM D7490-13を使用し、No.27の丸い先端を有するステンレス鋼ニードルを有する容量1mLの気密性シリンジに適合した角度計及び好適な画像解析ソフトウェア(好適な機器は、FTA200(First Ten Angstroms(Portsmouth,VA)製又は同等品)を使用して判定される。2つの試験流体:ASTM仕様D1193-99に従ったII型試薬水(蒸留水)及び99+%純度のジヨードメタン(両方ともSigma Aldrich(St.Louis,MO)から入手可能)を使用する。これら2つの試験流体からの接触角を更に使用して、Owens-Wendt-Kaeble等式に基づいて表面エネルギーを算出することができる。全ての試験は、約23℃±2℃及び相対湿度約50%±2%で行うものとする。
Claims (18)
- 使い捨て吸収性物品(1510、1700)であって、前記使い捨て吸収性物品は、長手方向中心線及び横方向中心線と、前記使い捨て吸収性物品の一方の端部に配置された第1の領域と、前記使い捨て吸収性物品の他方の端部に配置された第2の領域と、を有し、前記使い捨て吸収性物品が更に、
トップシート(1217、1317、1714、1924)と、
バックシート(1716、1925)と、
前記トップシートと前記バックシートとの間に配置された、複数の吸収性繊維を含む吸収性コア(1219、1319、1718、1928)と、
少なくとも前記吸収性コア又は前記吸収性コアと前記吸収性コアに隣接する層との組み合わせ内の複数の適合特徴部(1215、1315、1415、1615)と、を含み、
前記複数の適合特徴部は、エンボス加工によって形成されたものでなく、
前記吸収性コアの材料及び前記吸収性コアに隣接する前記層の材料は、前記適合特徴部内で混合しており、
前記吸収性コア及び前記吸収性コアに隣接する前記層の少なくとも一方が6mm超の長さの繊維を含み、
前記使い捨て吸収性物品が、本特許請求の範囲と共に提出された明細書に記載されるブロット試験及び3点曲げ試験によって測定するとき、30mg未満のブロット残留値と12N*mm2未満の曲げ剛性と、を有する、使い捨て吸収性物品。 - 前記吸収性物品は、それぞれ前記明細書に記載されるブロット試験及びキャリパー試験によって測定するとき、11mg/mm未満のブロット残留量対キャリパー比を有する、請求項1に記載の使い捨て吸収性物品。
- 前記吸収性物品が、それぞれ前記明細書に記載される3点曲げ試験及びキャリパー試験によって測定するとき、4N*mm2/mm以下の剛性対キャリパー比を有する、請求項1又は2のいずれか一項に記載の使い捨て吸収性物品。
- 前記複数の適合特徴部を、少なくとも前記吸収性コアと前記トップシートとの組み合わせが含んでいる、請求項1~3のいずれか一項に記載の使い捨て吸収性物品。
- 前記吸収性コアが、複数のセルロース繊維と、超吸収性粒子と、を含む、一体型エアレイド吸収性コアであり、前記明細書に記載される3点曲げ試験及びバンチ圧縮試験によって測定するとき、曲げ剛性対湿潤時回復エネルギー比が13N*mm2/mJ未満である、請求項1~4のいずれか一項に記載の使い捨て吸収性物品。
- 前記吸収性コアが、複数のセルロース繊維と、超吸収性粒子と、を含む、一体型エアレイド吸収性コアであり、前記明細書に記載される3点曲げ試験及びキャリパー試験によって測定するとき、曲げ剛性対キャリパー比が15N*mm2/mm未満である、請求項1~5のいずれか一項に記載の使い捨て吸収性物品。
- 前記吸収性コアが、複数のセルロース繊維と、超吸収性粒子と、を含む、一体型エアレイド吸収性コアであり、前記使い捨て吸収性物品が、NMR mouse法によって測定するとき、上部0.5mmに200μL未満の残留流体を有する、請求項1~6のいずれか一項に記載の使い捨て吸収性物品。
- 前記吸収性コアが、複数のセルロース繊維と、超吸収性粒子と、を含む、一体型エアレイド吸収性コアであり、前記使い捨て吸収性物品が、前記明細書に記載される自由流体捕捉試験によって測定するとき、60秒未満の自由流体捕捉時間を有する、請求項1~7のいずれか一項に記載の使い捨て吸収性物品。
- 前記適合特徴部を、前記トップシートと前記吸収性コアとの間に配置された流体管理層が更に含み、前記流体管理層が、複数のセルロース繊維を含むエアレイド材料を含み、前記吸収性物品は、前記明細書に記載される3点曲げ試験及びバンチ圧縮試験によって測定するとき、15N*mm2/mJ未満である曲げ剛性対湿潤回復エネルギー比を有する、請求項1~4のいずれか一項に記載の使い捨て吸収性物品。
- 前記適合特徴部を、前記トップシートと前記吸収性コアとの間に配置された流体管理層が更に含み、前記流体管理層が、複数のセルロース繊維を含むエアレイド材料を含み、前記使い捨て吸収性物品は、前記明細書に記載される3点曲げ試験及びキャリパー試験によって測定するとき、5N*mm2/mm未満である曲げ剛性対キャリパー比を有する、請求項1~4及び9のいずれか一項に記載の使い捨て吸収性物品。
- 前記トップシートと前記吸収性コアとの間に配置された流体管理層を更に含み、前記流体管理層が、複数のセルロース繊維を含むエアレイド材料であり、前記使い捨て吸収性物品は、NMR mouse法によって測定するとき、上部0.5mmに20μL未満の残留流体を有する、請求項1~4及び9~10のいずれか一項に記載の使い捨て吸収性物品。
- 前記トップシートと前記吸収性コアとの間に配置された流体管理層を更に含み、前記流体管理層が、複数のセルロース繊維を含むエアレイド材料であり、前記吸収性物品は、それぞれNMR mouse法及び前記明細書に記載される自由流体捕捉試験によって測定するとき、上部0.5mmに20μL未満の残留流体と、40秒未満の自由流体捕捉時間と、を有する、請求項1~4及び9~11のいずれか一項に記載の使い捨て吸収性物品。
- 前記吸収性物品が、連続繊維を含む共形成された吸収性コアを含み、前記吸収性物品は、前記明細書に記載される3点曲げ試験及びバンチ圧縮試験によって測定するとき、4N*mm2/mJ未満である曲げ剛性対湿潤回復エネルギー比を有する、請求項1~4のいずれか一項に記載の使い捨て吸収性物品。
- 前記吸収性コアが、連続繊維を含む共形成された吸収性コアであり、前記吸収性物品が、前記明細書に記載される3点曲げ試験及びキャリパー試験によって測定するとき、4N*mm2/mm以下である曲げ剛性対キャリパー比を有する、請求項1~4及び13のいずれか一項に記載の使い捨て吸収性物品。
- 前記吸収性コアが、連続繊維を含む共形成された吸収性コアであり、前記吸収性物品は、それぞれNMR mouse法及び前記明細書に記載される自由流体捕捉試験によって測定するとき、上部0.5mmに7μL未満の残留流体と、100秒未満の自由流体捕捉時間と、を有する、請求項1~4及び13~14のいずれか一項に記載の使い捨て吸収性物品。
- 前記吸収性物品が、前記明細書に記載されるブロット試験及びキャリパー試験によって測定するとき、19mg/mm未満のブロット対キャリパー比を有し、
前記吸収性コアがエアレイド吸収性コアを含む、請求項1~12のいずれか一項に記載の使い捨て吸収性物品。 - 前記吸収性物品が、前記明細書に記載されるバンチ圧縮試験によって測定するとき、少なくとも0.4mJの湿潤回復エネルギーを有する、請求項1~16のいずれか一項に記載の使い捨て吸収性物品。
- 前記トップシートが、少なくとも20gsmの坪量を有する疎水性不織布を含む、請求項1~17のいずれか一項に記載の使い捨て吸収性物品。
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WO2019090291A1 (en) | 2019-05-09 |
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