CA2654755A1 - 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
- CA2654755A1 CA2654755A1 CA002654755A CA2654755A CA2654755A1 CA 2654755 A1 CA2654755 A1 CA 2654755A1 CA 002654755 A CA002654755 A CA 002654755A CA 2654755 A CA2654755 A CA 2654755A CA 2654755 A1 CA2654755 A1 CA 2654755A1
- Authority
- CA
- Canada
- Prior art keywords
- elastomeric
- layer
- outer cover
- stretchable outer
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract 7
- 230000002745 absorbent Effects 0.000 title claims abstract 4
- 239000002250 absorbent Substances 0.000 title claims abstract 4
- 239000010410 layer Substances 0.000 claims abstract 18
- 239000012792 core layer Substances 0.000 claims abstract 7
- 239000004743 Polypropylene Substances 0.000 claims 8
- -1 polypropylene Polymers 0.000 claims 8
- 229920001155 polypropylene Polymers 0.000 claims 8
- 239000000654 additive Substances 0.000 claims 3
- 230000000996 additive effect Effects 0.000 claims 3
- 230000003213 activating effect Effects 0.000 claims 1
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 229920006132 styrene block copolymer Polymers 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 239000000835 fiber Substances 0.000 abstract 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000004137 mechanical activation Methods 0.000 abstract 1
- 239000002121 nanofiber Substances 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 (101) comprising a multi-layered elastomeric film (165), the multi-layered elastomeric film (165) including at least one skin layer (163) whereby the skin layer (163) is at least one of elastomeric and plastoelastic; and at least one elastomeric core layer (164), Characterized in that the elastomeric core layer (164) includes a first elastomeric polypropylene and whereby the skin layer (163) is less tacky than the core layer.
2. The stretchable outer cover (124) of claim 1, whereby at least one of the skin layer (163) and the core layer (164) include at least one antiblock additive and the weight % of the antiblock additive in the skin layer (163) based on the total weight of the skin layer (163) is greater than the weight % of antiblock additive in the core layer (164) based on the total weight of the core layer (164).
3. The stretchable outer cover (124) of any of the preceding claims, whereby the skin layer (163) is elastomeric and includes a second elastomeric polypropylene, the second elastomeric polypropylene having a higher degree of crystallinity than the first elastomeric polypropylene.
4. The stretchable outer cover (124) of any of the preceding claims, whereby the skin layer (163) is elastomeric and includes a second elastomeric polypropylene, the second elastomeric polypropylene having a higher melting temperature than the first elastomeric polypropylene.
5. The stretchable outer cover (124) of any of the preceding claims, further comprising at least one nonwoven layer (162).
6. The stretchable outer cover (124) of any of the preceding claims, whereby the multilayered elastomeric film (165) includes a styrenic block copolymer.
7. A process for making a stretchable outer cover (124) for an absorbent article, the process comprising:
a. providing at least one non-elastic nonwoven substrate;
b. joining an elastomeric film comprising an elastomeric polypropylene to the nonwoven to form a laminate;
c. aperturing the laminate using mechanical aperturing or hot pins; and d. activating at least a portion of the laminate in at least the cross direction.
a. providing at least one non-elastic nonwoven substrate;
b. joining an elastomeric film comprising an elastomeric polypropylene to the nonwoven to form a laminate;
c. aperturing the laminate using mechanical aperturing or hot pins; and d. activating at least a portion of the laminate in at least the cross direction.
8. The process of claim 7, whereby the laminate further comprises a third layer, the third layer including a nonwoven and being configured such that the second layer is disposed between the first layer and the third layer.
9. The process of either of claims 7 or 8, whereby the elastomeric film is prestretched at least in one direction prior to being joined to the nonwoven.
10. The process of any of claims 7 to 9, whereby at least one nonwoven layer and at least one elastomeric layer are bonded to each other by adhesive bonding, thermal point bonding, ultrasonic point bonding, or combinations thereof.
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/US2007/013545 WO2007146149A2 (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 |
|---|---|
| CA2654755A1 true CA2654755A1 (en) | 2007-12-21 |
| CA2654755C CA2654755C (en) | 2012-08-07 |
Family
ID=38663076
Family Applications (3)
| 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 |
| 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 |
Family Applications Before (1)
| 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 |
Family Applications After (1)
| 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 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20080045917A1 (en) |
| EP (3) | EP2026930A2 (en) |
| JP (3) | JP5148601B2 (en) |
| CN (7) | CN101460123A (en) |
| CA (3) | CA2654750A1 (en) |
| MX (3) | MX2008015630A (en) |
| WO (3) | WO2007146153A2 (en) |
Families Citing this family (108)
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|---|---|---|---|---|
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| US8858523B2 (en) * | 2007-09-07 | 2014-10-14 | The Procter & Gamble Company | Disposable wearable absorbent articles with anchoring subsystems |
| US8790325B2 (en) * | 2007-09-07 | 2014-07-29 | The Procter & Gamble Company | Disposable wearable absorbent articles with anchoring subsystems |
| KR101471559B1 (en) * | 2007-12-11 | 2014-12-11 | 삼성전자주식회사 | Apparatus and method for controlling entry of mobile station in broadband wireless communication system |
| US8168853B2 (en) | 2008-01-24 | 2012-05-01 | The Proctor & Gamble Company | Extrusion bonded laminates for absorbent articles |
| MX2010007861A (en) | 2008-01-24 | 2010-11-12 | Procter & Gamble | Extrusion bonded laminates for absorbent articles. |
| US8445744B2 (en) | 2008-01-24 | 2013-05-21 | The Procter & Gamble Company | Extrusion bonded laminates for absorbent articles |
| US8664129B2 (en) * | 2008-11-14 | 2014-03-04 | Exxonmobil Chemical Patents Inc. | Extensible nonwoven facing layer for elastic multilayer fabrics |
| JP5221763B2 (en) | 2008-09-30 | 2013-06-26 | エクソンモービル・ケミカル・パテンツ・インク | Stretchable non-woven surface layer for elastic multilayer fabrics |
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-
2007
- 2007-06-06 CN CNA2007800206572A patent/CN101460123A/en active Pending
- 2007-06-07 JP JP2009513339A patent/JP5148601B2/en not_active Expired - Fee Related
- 2007-06-07 JP JP2009514406A patent/JP5005763B2/en not_active Expired - Fee Related
- 2007-06-07 CA CA002654750A patent/CA2654750A1/en not_active Abandoned
- 2007-06-07 EP EP07777443A patent/EP2026930A2/en not_active Withdrawn
- 2007-06-07 MX MX2008015630A patent/MX2008015630A/en unknown
- 2007-06-07 CN CN2007800210900A patent/CN101460280B/en not_active Expired - Fee Related
- 2007-06-07 CA CA2654755A patent/CA2654755C/en not_active Expired - Fee Related
- 2007-06-07 CN CNA2007800211903A patent/CN101466335A/en active Pending
- 2007-06-07 CN CNA2007800205781A patent/CN101460122A/en active Pending
- 2007-06-07 CN CNA2007800205669A patent/CN101460120A/en active Pending
- 2007-06-07 CA CA2654780A patent/CA2654780C/en not_active Expired - Fee Related
- 2007-06-07 WO PCT/US2007/013549 patent/WO2007146153A2/en active Application Filing
- 2007-06-07 JP JP2009514404A patent/JP2009539481A/en active Pending
- 2007-06-07 CN CNA200780021078XA patent/CN101460126A/en active Pending
- 2007-06-07 MX MX2008015634A patent/MX2008015634A/en not_active Application Discontinuation
- 2007-06-07 WO PCT/US2007/013544 patent/WO2007146148A2/en active Application Filing
- 2007-06-07 WO PCT/US2007/013545 patent/WO2007146149A2/en active Application Filing
- 2007-06-07 US US11/810,801 patent/US20080045917A1/en not_active Abandoned
- 2007-06-07 CN CNA2007800205762A patent/CN101460121A/en active Pending
- 2007-06-07 EP EP07777444A patent/EP2026730A2/en not_active Withdrawn
- 2007-06-07 EP EP07777446A patent/EP2026732A2/en not_active Withdrawn
- 2007-06-07 MX MX2008015631A patent/MX2008015631A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN101460280B (en) | 2012-01-11 |
| JP2009539481A (en) | 2009-11-19 |
| CN101460122A (en) | 2009-06-17 |
| EP2026730A2 (en) | 2009-02-25 |
| WO2007146148A3 (en) | 2008-03-20 |
| CA2654755C (en) | 2012-08-07 |
| EP2026930A2 (en) | 2009-02-25 |
| JP5148601B2 (en) | 2013-02-20 |
| CA2654780A1 (en) | 2007-12-21 |
| WO2007146148A2 (en) | 2007-12-21 |
| WO2007146153A2 (en) | 2007-12-21 |
| JP2009539483A (en) | 2009-11-19 |
| CN101460280A (en) | 2009-06-17 |
| WO2007146149A2 (en) | 2007-12-21 |
| WO2007146149A3 (en) | 2008-02-28 |
| CA2654780C (en) | 2012-08-07 |
| JP2009539423A (en) | 2009-11-19 |
| WO2007146153A3 (en) | 2008-02-21 |
| CA2654750A1 (en) | 2007-12-21 |
| EP2026732A2 (en) | 2009-02-25 |
| US20080045917A1 (en) | 2008-02-21 |
| JP5005763B2 (en) | 2012-08-22 |
| MX2008015630A (en) | 2008-12-17 |
| CN101460121A (en) | 2009-06-17 |
| CN101460120A (en) | 2009-06-17 |
| MX2008015631A (en) | 2008-12-17 |
| CN101466335A (en) | 2009-06-24 |
| CN101460123A (en) | 2009-06-17 |
| CN101460126A (en) | 2009-06-17 |
| MX2008015634A (en) | 2008-12-17 |
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