JP2005312526A - 吸収性物品 - Google Patents
吸収性物品 Download PDFInfo
- Publication number
- JP2005312526A JP2005312526A JP2004131747A JP2004131747A JP2005312526A JP 2005312526 A JP2005312526 A JP 2005312526A JP 2004131747 A JP2004131747 A JP 2004131747A JP 2004131747 A JP2004131747 A JP 2004131747A JP 2005312526 A JP2005312526 A JP 2005312526A
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- layer
- passage
- passage layer
- resin film
- 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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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
- 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
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
-
- 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
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/5116—Topsheet, i.e. the permeable cover or layer facing the skin being formed of multiple layers
-
- 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
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
- A61F13/5123—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations the apertures being formed on a multilayer top sheet
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)
- Absorbent Articles And Supports Therefor (AREA)
- Laminated Bodies (AREA)
Abstract
【解決手段】 液吸収層3の表面を覆う液通過層4は、液通過孔11を有する樹脂フィルムで形成された第1の通過層10と、液通過孔21を有する樹脂フィルムで形成された第2の通過層20とが重ねられて構成されている。第2の通過層2は、第1の通過層10よりも潰れやすい構造である。体圧が作用したときに、第2の通過層20が優先的に潰れることにより、液通過孔の潰れによる細かな凹凸が身体に直接触れなくなる。
【選択図】図4
Description
前記液通過層は、第1の通過層と、この第1の通過層と前記液吸収層との間に位置する第2の通過層とを有し、前記第1の通過層と前記第2の通過層は、共に多数の液通過孔を有する樹脂フィルムであって、それぞれ前記液通過孔の周壁が前記液吸収層に向って延びて厚みが樹脂フィルムの厚みよりも大きく形成されており、
前記第1の通過層よりも前記第2の通過層の方が、厚み方向へ荷重を与えたときの圧縮率が高いことを特徴とするものである。
第1の通過層10と第2の通過層20を個別に、平坦な剛体の測定台の上に設置し、無荷重時の全体の厚み(層表面から周壁12または22の下端までの寸法)t0と、圧力4900Pa(50g/cm2)を与えたときの厚み寸法t50を測定する。{(t0−t50)/t0}が圧縮率である。
厚み差は、(t0−t50)であり、絶対的な寸法(mm)で表される。第2の通過層20の厚み差が第1の通過層10の厚み差よりも大きいと、図4に示すように肌側表面を加圧したときに、第2の通過層20が潰れるまでの圧縮距離をある程度長くできる。圧縮距離が長いと、第2の通過層20が圧縮されるときの応力が第2の通過層20において周囲に広く分散するため、圧縮反発力が弱く感じられ、押圧時に軟質感を与えるようになる。
圧縮特性を、カトーテック(株)製の自動化圧縮試験機「KES FB3−AUTO−A」で測定する。その測定で得られる線図の例を図10に示す。
開孔を有する樹脂フィルムの開孔面積率は、{(液通過孔が形成されている領域の単位面積におけるそれぞれの液通過孔の開孔面積の最小値の総和)/(前記単位面積)}×100(%)で表される。
図7、図8および図9に示す開孔フィルムについて各特性を測定した。それぞれの開孔フィルムの目付け、個々の液通過孔の開孔径(最大開孔寸法/最小開孔寸法)、および開孔面積率は表1に示す通りである。
フラッシュパルプとポリアクリル酸塩系の高吸収性ポリマーとを混合したものを目付けが15g/m2のティッシュペーパで包み、その裏面シート2側に向く裏面に、目付けが45g/m2のエアレイドパルプを重ねて接着したものを使用した。主吸収領域7での全体の目付けが200〜300g/m2の範囲となるようにし、その周辺での目付けが150〜200g/m2の範囲となるように調整した。また前記周辺部は熱圧縮した。
裏面シートは目付けが23.5g/m2のポリエチレン樹脂フィルムを使用した。
第1の通過層10と第2の通過層20は、目付けが7g/m2で塗布したホットメルト型接着剤で互いに接着した。第1の通過層10と第2の通過層20とから成る液通過層4と液吸収層3とをホットメルト型接着剤で接着し、さらに裏面シート2を接合し、図1に示すパターン形状の圧縮溝6を形成した。
2 裏面シート
3 液吸収層
4 液通過層
10 第1の通過層
11 液通過孔
12 周壁
20 第2の通過層
21 液通過孔
22 周壁
Claims (4)
- 液体を吸収保持する液吸収層と、前記液吸収層の受液側に位置する液通過層とを有する吸収性物品において、
前記液通過層は、第1の通過層と、この第1の通過層と前記液吸収層との間に位置する第2の通過層とを有し、前記第1の通過層と前記第2の通過層は、共に多数の液通過孔を有する樹脂フィルムであって、それぞれ前記液通過孔の周壁が前記液吸収層に向って延びて厚みが樹脂フィルムの厚みよりも大きく形成されており、
前記第1の通過層よりも前記第2の通過層の方が、厚み方向へ荷重を与えたときの圧縮率が高いことを特徴とする吸収性物品。 - 前記第1の通過層よりも前記第2の通過層の方が、厚み方向へ荷重を与えたときの厚み差が大きい請求項1記載の吸収性物品。
- 前記第1の通過層と前記第2の通過層のそれぞれに対し、厚み方向への荷重を与えたときの圧縮仕事量が共に0.1(N・m/m2)以上であり、且つ前記第1の通過層よりも前記第2の通過層の方が、前記圧縮仕事量が大きい請求項1または2記載の吸収性物品。
- 前記第1の通過層と前記第2の通過層のそれぞれに対し、厚み方向へ荷重を与えたときの、開孔面積の低下率が、第1の通過層よりも第2の通過層の方が高い請求項1ないし3のいずれかに記載の吸収性物品。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004131747A JP4410022B2 (ja) | 2004-04-27 | 2004-04-27 | 吸収性物品 |
TW094110909A TWI256888B (en) | 2004-04-27 | 2005-04-06 | Absorbent article |
EP05007614.0A EP1591089B1 (en) | 2004-04-27 | 2005-04-07 | Absorbent article |
MYPI20051588A MY148505A (en) | 2004-04-27 | 2005-04-11 | Absorbent article |
US11/108,011 US7858842B2 (en) | 2004-04-27 | 2005-04-14 | Absorbent article |
KR1020050032588A KR101153146B1 (ko) | 2004-04-27 | 2005-04-20 | 흡수성 물품 |
CNB2005100667656A CN100471475C (zh) | 2004-04-27 | 2005-04-27 | 吸收性物品 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004131747A JP4410022B2 (ja) | 2004-04-27 | 2004-04-27 | 吸収性物品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005312526A true JP2005312526A (ja) | 2005-11-10 |
JP4410022B2 JP4410022B2 (ja) | 2010-02-03 |
Family
ID=34934846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004131747A Expired - Fee Related JP4410022B2 (ja) | 2004-04-27 | 2004-04-27 | 吸収性物品 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7858842B2 (ja) |
EP (1) | EP1591089B1 (ja) |
JP (1) | JP4410022B2 (ja) |
KR (1) | KR101153146B1 (ja) |
CN (1) | CN100471475C (ja) |
MY (1) | MY148505A (ja) |
TW (1) | TWI256888B (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5938138B1 (ja) * | 2015-12-25 | 2016-06-22 | ユニ・チャーム株式会社 | 吸収性物品 |
JP2020014646A (ja) * | 2018-07-25 | 2020-01-30 | 日本製紙クレシア株式会社 | 吸収性物品及びその製造方法 |
WO2020090392A1 (ja) * | 2018-10-31 | 2020-05-07 | 大王製紙株式会社 | 吸収性物品 |
JP2021112421A (ja) * | 2020-01-20 | 2021-08-05 | 花王株式会社 | 吸収性物品 |
JP2021525596A (ja) * | 2018-05-25 | 2021-09-27 | フィテサ フィルム プロダクツ エルエルシーFitesa Film Products Llc | 吸収性物品向けの流体分配材料 |
US11135102B2 (en) | 2016-03-28 | 2021-10-05 | Daio Paper Corporation | Absorbent article for securely absorbing body fluid |
JP2023501543A (ja) * | 2019-11-14 | 2023-01-18 | フィテサ フィルム プロダクツ エルエルシー | 吸収性物品向けのフィルムおよび積層体 |
KR102676214B1 (ko) | 2019-11-14 | 2024-06-17 | 피테사 필름 프로덕츠 엘엘씨 | 흡수성 물품용 필름 및 라미네이트 |
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JP3764037B2 (ja) * | 2000-09-01 | 2006-04-05 | ユニ・チャーム株式会社 | 液吸収体 |
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US20020133132A1 (en) * | 2001-02-21 | 2002-09-19 | Copat Marcelo S. | Absorbent article with a response surface |
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JP3971136B2 (ja) * | 2001-07-12 | 2007-09-05 | ユニ・チャーム株式会社 | 吸収性物品 |
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2004
- 2004-04-27 JP JP2004131747A patent/JP4410022B2/ja not_active Expired - Fee Related
-
2005
- 2005-04-06 TW TW094110909A patent/TWI256888B/zh not_active IP Right Cessation
- 2005-04-07 EP EP05007614.0A patent/EP1591089B1/en not_active Not-in-force
- 2005-04-11 MY MYPI20051588A patent/MY148505A/en unknown
- 2005-04-14 US US11/108,011 patent/US7858842B2/en not_active Expired - Fee Related
- 2005-04-20 KR KR1020050032588A patent/KR101153146B1/ko not_active IP Right Cessation
- 2005-04-27 CN CNB2005100667656A patent/CN100471475C/zh not_active Expired - Fee Related
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JP5938138B1 (ja) * | 2015-12-25 | 2016-06-22 | ユニ・チャーム株式会社 | 吸収性物品 |
US11135102B2 (en) | 2016-03-28 | 2021-10-05 | Daio Paper Corporation | Absorbent article for securely absorbing body fluid |
JP2021525596A (ja) * | 2018-05-25 | 2021-09-27 | フィテサ フィルム プロダクツ エルエルシーFitesa Film Products Llc | 吸収性物品向けの流体分配材料 |
JP2020014646A (ja) * | 2018-07-25 | 2020-01-30 | 日本製紙クレシア株式会社 | 吸収性物品及びその製造方法 |
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JP2020069162A (ja) * | 2018-10-31 | 2020-05-07 | 大王製紙株式会社 | 吸収性物品 |
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JP7461472B2 (ja) | 2019-11-14 | 2024-04-03 | フィテサ フィルム プロダクツ エルエルシー | 吸収性物品向けのフィルムおよび積層体 |
KR102676214B1 (ko) | 2019-11-14 | 2024-06-17 | 피테사 필름 프로덕츠 엘엘씨 | 흡수성 물품용 필름 및 라미네이트 |
JP2021112421A (ja) * | 2020-01-20 | 2021-08-05 | 花王株式会社 | 吸収性物品 |
Also Published As
Publication number | Publication date |
---|---|
JP4410022B2 (ja) | 2010-02-03 |
EP1591089B1 (en) | 2013-08-07 |
KR101153146B1 (ko) | 2012-06-04 |
US20050256475A1 (en) | 2005-11-17 |
EP1591089A1 (en) | 2005-11-02 |
US7858842B2 (en) | 2010-12-28 |
KR20060047245A (ko) | 2006-05-18 |
CN100471475C (zh) | 2009-03-25 |
TWI256888B (en) | 2006-06-21 |
TW200534834A (en) | 2005-11-01 |
CN1689543A (zh) | 2005-11-02 |
MY148505A (en) | 2013-04-30 |
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