CA2621864A1 - Absorbent article with low cold flow construction adhesive - Google Patents

Absorbent article with low cold flow construction adhesive Download PDF

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Publication number
CA2621864A1
CA2621864A1 CA002621864A CA2621864A CA2621864A1 CA 2621864 A1 CA2621864 A1 CA 2621864A1 CA 002621864 A CA002621864 A CA 002621864A CA 2621864 A CA2621864 A CA 2621864A CA 2621864 A1 CA2621864 A1 CA 2621864A1
Authority
CA
Canada
Prior art keywords
joining
absorbent article
backsheet
rear waist
waist region
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
CA002621864A
Other languages
French (fr)
Other versions
CA2621864C (en
Inventor
Shunketsu Sue
Ebrahim Rezai
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
Shunketsu Sue
Ebrahim Rezai
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37809266&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2621864(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by The Procter & Gamble Company, Shunketsu Sue, Ebrahim Rezai filed Critical The Procter & Gamble Company
Publication of CA2621864A1 publication Critical patent/CA2621864A1/en
Application granted granted Critical
Publication of CA2621864C publication Critical patent/CA2621864C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • 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
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • 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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15699—Forming webs by bringing together several webs, e.g. by laminating or folding several webs, with or without additional treatment of the webs
    • 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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
    • A61F13/15739—Sealing, e.g. involving cutting
    • 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
    • A61F13/515—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 characterised by the interconnection of the topsheet and the backsheet
    • 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
    • A61F13/53—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
    • A61F13/539—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 characterised by the connection of the absorbent layers with each other or with the outer layers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/58—Adhesives
    • 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
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15569—Adhesivity
    • 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
    • A61F13/53—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
    • A61F13/539—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 characterised by the connection of the absorbent layers with each other or with the outer layers
    • A61F2013/53908—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 characterised by the connection of the absorbent layers with each other or with the outer layers with adhesive

Abstract

Absorbent articles comprising a low cold flow construction adhesive suitable for joining at least two absorbent article components together, wherein the adhesive comprises an ethylene-based polyolefin resin and a crystallization enhancer, wherein at least one of the absorbent article components comprises a nonwoven material, and wherein the absorbent articles have an in-bag compression opening force of less than about 0.75N. Also, a method for assembling such articles.

Claims (14)

1. A disposable absorbent article having a longitudinal centerline and a lateral centerline, a front waist region with a front waist edge, a rear waist region with a rear waist edge, a crotch region disposed between said front and rear waist regions and two spaced apart longitudinal side edges joining said front waist edge to said rear waist edge and comprising an assembly of components including:

a) a topsheet;

b) a backsheet underlying said topsheet;

c) an absorbent core disposed between said topsheet and said backsheet;
d) at least one feature selected from the group consisting of:

i) a fastening system for joining said front waist region to said rear waist region when said absorbent article is worn;

ii) a barrier cuffs lying adjacent and inboard one of said longitudinal side edges;

iii) a gasketing cuffs lying between said longitudinal side edge and said barrier cuff;

iv) front ears disposed in said front waist region;
v) back ears disposed in said rear waist region;
vi) a topsheet vii) a backsheet viii) an absorbent core wherein said absorbent core comprises at least one of a core cover, a dusting layer, an acquisition member, a distribution member and a storage member; and ix) a receiving member; and e) a low cold flow construction adhesive suitable for joining at least one of said components to another of said components wherein said adhesive comprises an ethylene-based polyolefin resin with an effective amount of a
2 crystallization enhancer combined therewith and said absorbent article has an in bag compression opening force of less than about 0.75N.

2. A disposable absorbent article according to Claim 1 wherein said opening force is less than about 0.6N.
3. A disposable absorbent article according to Claim 2 where said opening force is less than about 0.5N.
4. A method of assembling an absorbent article having a longitudinal centerline and a lateral centerline, a front waist region with a front waist edge, a rear waist region with a rear waist edge, a crotch region disposed between said front and rear waist regions and two spaced apart longitudinal side edges joining said front waist edge to said rear waist edge wherein said absorbent article has a low in bag compression opening force, the method comprising the steps of:
a) providing a low cold flow construction adhesive wherein said adhesive comprises an ethylene-based polyolefin resin;
b) providing a collection of absorbent article components, said components selected from the group consisting of:
i) a fastening system for joining said front waist region to said rear waist region when said absorbent article is worn;

ii) a barrier cuff lying between one of said longitudinal side edges and said longitudinal centerline;

iii) a gasketing cuff f lying between said longitudinal side edge and said barrier cuff;

iv) a front ear disposed in said front waist region;
v) a back ear disposed in said rear waist region;
vi) vi) a topsheet vii) a backsheet viii) an absorbent core wherein said absorbent core comprises at least one of a core cover, a dusting layer, an acquisition member, a distribution member and a storage member; and ix) a receiving member; and c) joining at least one of said absorbent article components to another of said absorbent article components using said low cold flow construction adhesive so as to assemble said absorbent article whereby said absorbent article has an in bag compression opening force of less than about 0.75N.
5. A method according to Claim 4 wherein step c comprises the step of joining said topsheet to an underlying nonwoven layer.
6. A method according to Claim 4 wherein step c comprises the step of joining an elastic material to a nonwoven material to form said barrier cuff.
7. A method according to Claim 4 wherein step c comprises the step of joining an elastic material to a nonwoven and backsheet materials.
8. A method according to Claim 4 wherein step c comprises the step of joining said acquisition layer to said core cover.
9. A method according to Claim 4 wherein step c comprises the step of joining said distribution layer to said core cover.
10. A method according to Claim 4 wherein step c comprises the step of joining said topsheet to said backsheet adjacent one of said longitudinal edges of said absorbent article.
11. A method according to Claim 4 wherein step c comprises the step of joining said receiving member to said backsheet.
12. A method according to Claim 4 wherein step c comprises the step of joining said core cover to said dusting layer.
13. A method according to Claim 4 wherein step c comprises the step of joining said core to said backsheet.
14. A method according to Claim 4 wherein step c comprises the step of joining said dusting layer to said backsheet.
CA2621864A 2005-09-02 2006-09-01 Absorbent article with low cold flow construction adhesive Expired - Fee Related CA2621864C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US71418805P 2005-09-02 2005-09-02
US60/714,188 2005-09-02
PCT/IB2006/053075 WO2007026334A2 (en) 2005-09-02 2006-09-01 Absorbent article with low cold flow construction adhesive

Publications (2)

Publication Number Publication Date
CA2621864A1 true CA2621864A1 (en) 2007-03-08
CA2621864C CA2621864C (en) 2010-10-26

Family

ID=37809266

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2621864A Expired - Fee Related CA2621864C (en) 2005-09-02 2006-09-01 Absorbent article with low cold flow construction adhesive

Country Status (8)

Country Link
US (5) US8038661B2 (en)
EP (1) EP1919416B1 (en)
JP (1) JP2009506820A (en)
CN (1) CN101296677B (en)
AT (1) ATE529081T1 (en)
CA (1) CA2621864C (en)
MX (1) MX2008003082A (en)
WO (1) WO2007026334A2 (en)

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US8430856B2 (en) 2013-04-30
EP1919416A2 (en) 2008-05-14
CN101296677B (en) 2012-02-29
US20070055211A1 (en) 2007-03-08
US9827344B2 (en) 2017-11-28
US20130218114A1 (en) 2013-08-22
CN101296677A (en) 2008-10-29
US20180043050A1 (en) 2018-02-15
WO2007026334A3 (en) 2007-08-09
CA2621864C (en) 2010-10-26
JP2009506820A (en) 2009-02-19
US8038661B2 (en) 2011-10-18
EP1919416B1 (en) 2011-10-19
US20120004630A1 (en) 2012-01-05
ATE529081T1 (en) 2011-11-15
US8702666B2 (en) 2014-04-22
WO2007026334A2 (en) 2007-03-08
US20140180231A1 (en) 2014-06-26
MX2008003082A (en) 2008-03-19

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