CA2216144A1 - Absorbent articles having improved surfactant-treated hydrophilic topsheets - Google Patents

Absorbent articles having improved surfactant-treated hydrophilic topsheets

Info

Publication number
CA2216144A1
CA2216144A1 CA002216144A CA2216144A CA2216144A1 CA 2216144 A1 CA2216144 A1 CA 2216144A1 CA 002216144 A CA002216144 A CA 002216144A CA 2216144 A CA2216144 A CA 2216144A CA 2216144 A1 CA2216144 A1 CA 2216144A1
Authority
CA
Canada
Prior art keywords
topsheet
silicone
topsheets
based surfactant
surfactant
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.)
Granted
Application number
CA002216144A
Other languages
French (fr)
Other versions
CA2216144C (en
Inventor
Yann-Per Lee
Susan Nicole Lloyd
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
The Procter & Gamble Company
Yann-Per Lee
Susan Nicole Lloyd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by The Procter & Gamble Company, Yann-Per Lee, Susan Nicole Lloyd filed Critical The Procter & Gamble Company
Publication of CA2216144A1 publication Critical patent/CA2216144A1/en
Application granted granted Critical
Publication of CA2216144C publication Critical patent/CA2216144C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • 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
    • A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
    • A61F13/51305—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability having areas of different permeability
    • 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

Abstract

The present invention provides an absorbent article having a topsheet treated with a silicone-based surfactant to impart hydrophilicity. The absorbent article preferably includes a first, apertured, macroscopically expanded, three-dimensional, polymeric topsheet and preferably includes a second, apertured, macroscopically expanded, three-dimensional polymeric topsheet underlying the first topsheet. The multiple topsheets provide improved masking of bodily fluids absorbed and retained by the absorbent core. The first and second topsheets preferably include surfactants which impart hydrophilicity to differing degrees, and which preferably are selected from diverse surfactant categories. The use of a silicone-based surfactant imparts improved tactile qualities to the wearer-contacting surface of the first topsheet in comparison with non-silicone-based surfactants. These characteristics of the silicone-based surfactant provide improved dryness and cleanliness of appearance through low retention of fluid material at or near the surface of the topsheet itself and promoting fluid movement along the wetted surfaces and downward into the absorbent core.
CA002216144A 1995-04-21 1996-03-20 Absorbent articles having improved surfactant-treated hydrophilic topsheets Expired - Fee Related CA2216144C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/426,337 US5693037A (en) 1995-04-21 1995-04-21 Absorbent articles having improved surfactant-treated hydrophilic topsheets
US08/426,337 1995-04-21
PCT/US1996/003812 WO1996032913A1 (en) 1995-04-21 1996-03-20 Absorbent articles having improved surfactant-treated hydrophilic topsheets

Publications (2)

Publication Number Publication Date
CA2216144A1 true CA2216144A1 (en) 1996-10-24
CA2216144C CA2216144C (en) 2001-10-02

Family

ID=23690373

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002216144A Expired - Fee Related CA2216144C (en) 1995-04-21 1996-03-20 Absorbent articles having improved surfactant-treated hydrophilic topsheets

Country Status (11)

Country Link
US (1) US5693037A (en)
EP (1) EP0821577B1 (en)
JP (1) JPH11503650A (en)
KR (1) KR100263231B1 (en)
CN (1) CN1184413A (en)
AT (1) ATE229784T1 (en)
AU (1) AU722251B2 (en)
CA (1) CA2216144C (en)
DE (1) DE69625475T2 (en)
MX (1) MX9707755A (en)
WO (1) WO1996032913A1 (en)

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Also Published As

Publication number Publication date
ATE229784T1 (en) 2003-01-15
CA2216144C (en) 2001-10-02
EP0821577A1 (en) 1998-02-04
EP0821577B1 (en) 2002-12-18
DE69625475D1 (en) 2003-01-30
MX9707755A (en) 1997-11-29
JPH11503650A (en) 1999-03-30
CN1184413A (en) 1998-06-10
KR100263231B1 (en) 2000-09-01
AU722251B2 (en) 2000-07-27
KR19990007903A (en) 1999-01-25
DE69625475T2 (en) 2003-10-02
WO1996032913A1 (en) 1996-10-24
US5693037A (en) 1997-12-02
AU5318196A (en) 1996-11-07

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