CA2654780A1 - Stretchable outer cover for an absorbent article and process for making the same - Google Patents
Stretchable outer cover for an absorbent article and process for making the same Download PDFInfo
- Publication number
- CA2654780A1 CA2654780A1 CA002654780A CA2654780A CA2654780A1 CA 2654780 A1 CA2654780 A1 CA 2654780A1 CA 002654780 A CA002654780 A CA 002654780A CA 2654780 A CA2654780 A CA 2654780A CA 2654780 A1 CA2654780 A1 CA 2654780A1
- Authority
- CA
- Canada
- Prior art keywords
- outer cover
- stretchable outer
- stretchable
- elastomeric
- absorbent article
- 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
Links
- 230000002745 absorbent Effects 0.000 title claims abstract 3
- 239000002250 absorbent Substances 0.000 title claims abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 239000000835 fiber Substances 0.000 claims abstract 8
- 239000002121 nanofiber Substances 0.000 claims abstract 5
- 239000004743 Polypropylene Substances 0.000 claims 2
- -1 polypropylene Polymers 0.000 claims 2
- 229920001155 polypropylene Polymers 0.000 claims 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 2
- 125000000816 ethylene group Chemical class [H]C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 239000000945 filler Substances 0.000 claims 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
- 229920005604 random copolymer Polymers 0.000 claims 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract 2
- 239000012792 core layer Substances 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000004137 mechanical activation Methods 0.000 abstract 1
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
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
- A61F13/51474—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure
- A61F13/51478—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure being a laminate, e.g. multi-layered or with several layers
- A61F13/5148—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its structure being a laminate, e.g. multi-layered or with several layers having an impervious inner layer and a cloth-like outer layer
-
- 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
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
- A61F13/51456—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties
- A61F13/51464—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being stretchable or elastomeric
Abstract
A stretchable outer cover for use with an absorbent article including an elastomeric film. The elastomeric film includes at least one skin layer that is less tacky than at least one core layer. The outer cover can include a nonwoven layer different structural combinations of spunbond fibers, meltblown fibers, and/or nanofibers. The combination of plastic and elastic components results in an outer cover that has favorable mechanical, physical, and aesthetic properties. The outer cover can be rendered either uniaxially or biaxially stretchable via a mechanical activation process.
Claims (10)
1. A stretchable outer cover (124) for an absorbent article comprising:
an elastomeric nonwoven (162) including a first spunbond fiber layer and a second spunbond fiber layer, the first and/or second spunbond fiber layers comprising elastomeric fibers;
Characterized in that the outer cover (124) includes a nanofiber layer disposed between the first and second spunbond fiber layers, the nanofiber layer having a basis weight greater than 3 g/m2 and the outer cover (124) has an opacity of greater than 65% when measured according to the Opacity Test.
an elastomeric nonwoven (162) including a first spunbond fiber layer and a second spunbond fiber layer, the first and/or second spunbond fiber layers comprising elastomeric fibers;
Characterized in that the outer cover (124) includes a nanofiber layer disposed between the first and second spunbond fiber layers, the nanofiber layer having a basis weight greater than 3 g/m2 and the outer cover (124) has an opacity of greater than 65% when measured according to the Opacity Test.
2. The stretchable outer cover (124) of either of claim 1, whereby the nanofiber layer comprises elastomeric fibers.
3. The stretchable outer cover (124) of either of claims 1 or 2, whereby at least one of the first, second, and third layer comprises an elastomeric polypropylene.
4. The stretchable outer cover (124) of any of the preceding claims, whereby the elastomeric polypropylene composition comprises an elastomeric random copolymer including propylene with a low level of comonomer incorporated into the backbone.
5. The stretchable outer cover (124) of any of the preceding claims, whereby the comonomer comprises an .alpha.-olefin selected from the group consisting of ethylenes, propylenes, and butenes.
6. The stretchable outer cover (124) of any of the preceding claims, whereby the outer cover has a ribbed texture.
7. The stretchable outer cover (124) of any of the preceding claims, whereby the outer cover has a gloss value of less than 7 units.
8. The stretchable outer cover (124) of any of the preceding claims, whereby the nanofibers comprise a filler.
9. The stretchable outer cover (124) of any of the preceding claims, whereby the outer cover is activated in at least one direction.
10. The stretchable outer cover (124) of any of the preceding claims, whereby the outer cover has a first cycle load at 15% strain of less than 40 g/cm and a % set of less than about 30%, in at least the cross direction, as measured by the Modified Hysteresis Test.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81158006P | 2006-06-07 | 2006-06-07 | |
US60/811,580 | 2006-06-07 | ||
PCT/US2007/013549 WO2007146153A2 (en) | 2006-06-07 | 2007-06-07 | Stretchable outer cover for an absorbent article and process for making the same |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2654780A1 true CA2654780A1 (en) | 2007-12-21 |
CA2654780C CA2654780C (en) | 2012-08-07 |
Family
ID=38663076
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2654780A Expired - Fee Related CA2654780C (en) | 2006-06-07 | 2007-06-07 | Stretchable outer cover for an absorbent article and process for making the same |
CA002654750A Abandoned CA2654750A1 (en) | 2006-06-07 | 2007-06-07 | Stretchable outer cover for an absorbent article and process for making the same |
CA2654755A Expired - Fee Related CA2654755C (en) | 2006-06-07 | 2007-06-07 | Stretchable outer cover for an absorbent article and process for making the same |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002654750A Abandoned CA2654750A1 (en) | 2006-06-07 | 2007-06-07 | Stretchable outer cover for an absorbent article and process for making the same |
CA2654755A Expired - Fee Related CA2654755C (en) | 2006-06-07 | 2007-06-07 | Stretchable outer cover for an absorbent article and process for making the same |
Country Status (7)
Country | Link |
---|---|
US (1) | US20080045917A1 (en) |
EP (3) | EP2026732A2 (en) |
JP (3) | JP2009539481A (en) |
CN (7) | CN101460123A (en) |
CA (3) | CA2654780C (en) |
MX (3) | MX2008015630A (en) |
WO (3) | WO2007146153A2 (en) |
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US8790325B2 (en) * | 2007-09-07 | 2014-07-29 | The Procter & Gamble Company | Disposable wearable absorbent articles with anchoring subsystems |
US8858523B2 (en) * | 2007-09-07 | 2014-10-14 | The Procter & Gamble Company | Disposable wearable absorbent articles with anchoring subsystems |
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-
2007
- 2007-06-06 CN CNA2007800206572A patent/CN101460123A/en active Pending
- 2007-06-07 CA CA2654780A patent/CA2654780C/en not_active Expired - Fee Related
- 2007-06-07 JP JP2009514404A patent/JP2009539481A/en active Pending
- 2007-06-07 CN CNA2007800205762A patent/CN101460121A/en active Pending
- 2007-06-07 CA CA002654750A patent/CA2654750A1/en not_active Abandoned
- 2007-06-07 CN CNA2007800205669A patent/CN101460120A/en active Pending
- 2007-06-07 EP EP07777446A patent/EP2026732A2/en not_active Withdrawn
- 2007-06-07 MX MX2008015630A patent/MX2008015630A/en unknown
- 2007-06-07 MX MX2008015634A patent/MX2008015634A/en not_active Application Discontinuation
- 2007-06-07 WO PCT/US2007/013549 patent/WO2007146153A2/en active Application Filing
- 2007-06-07 US US11/810,801 patent/US20080045917A1/en not_active Abandoned
- 2007-06-07 CN CNA200780021078XA patent/CN101460126A/en active Pending
- 2007-06-07 JP JP2009513339A patent/JP5148601B2/en not_active Expired - Fee Related
- 2007-06-07 CN CNA2007800211903A patent/CN101466335A/en active Pending
- 2007-06-07 CN CN2007800210900A patent/CN101460280B/en not_active Expired - Fee Related
- 2007-06-07 WO PCT/US2007/013544 patent/WO2007146148A2/en active Application Filing
- 2007-06-07 CN CNA2007800205781A patent/CN101460122A/en active Pending
- 2007-06-07 MX MX2008015631A patent/MX2008015631A/en unknown
- 2007-06-07 JP JP2009514406A patent/JP5005763B2/en not_active Expired - Fee Related
- 2007-06-07 CA CA2654755A patent/CA2654755C/en not_active Expired - Fee Related
- 2007-06-07 WO PCT/US2007/013545 patent/WO2007146149A2/en active Application Filing
- 2007-06-07 EP EP07777444A patent/EP2026730A2/en not_active Withdrawn
- 2007-06-07 EP EP07777443A patent/EP2026930A2/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CN101460120A (en) | 2009-06-17 |
MX2008015631A (en) | 2008-12-17 |
JP5005763B2 (en) | 2012-08-22 |
WO2007146148A2 (en) | 2007-12-21 |
CN101460280A (en) | 2009-06-17 |
CN101460122A (en) | 2009-06-17 |
JP5148601B2 (en) | 2013-02-20 |
EP2026730A2 (en) | 2009-02-25 |
WO2007146153A3 (en) | 2008-02-21 |
EP2026930A2 (en) | 2009-02-25 |
CN101466335A (en) | 2009-06-24 |
CN101460126A (en) | 2009-06-17 |
CA2654780C (en) | 2012-08-07 |
CA2654755C (en) | 2012-08-07 |
JP2009539481A (en) | 2009-11-19 |
CN101460280B (en) | 2012-01-11 |
WO2007146148A3 (en) | 2008-03-20 |
JP2009539483A (en) | 2009-11-19 |
EP2026732A2 (en) | 2009-02-25 |
US20080045917A1 (en) | 2008-02-21 |
WO2007146153A2 (en) | 2007-12-21 |
WO2007146149A2 (en) | 2007-12-21 |
CN101460121A (en) | 2009-06-17 |
WO2007146149A3 (en) | 2008-02-28 |
CA2654750A1 (en) | 2007-12-21 |
CN101460123A (en) | 2009-06-17 |
MX2008015630A (en) | 2008-12-17 |
CA2654755A1 (en) | 2007-12-21 |
JP2009539423A (en) | 2009-11-19 |
MX2008015634A (en) | 2008-12-17 |
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