WO2003099185A1 - Disposable wearing article - Google Patents
Disposable wearing article Download PDFInfo
- Publication number
- WO2003099185A1 WO2003099185A1 PCT/JP2003/004831 JP0304831W WO03099185A1 WO 2003099185 A1 WO2003099185 A1 WO 2003099185A1 JP 0304831 W JP0304831 W JP 0304831W WO 03099185 A1 WO03099185 A1 WO 03099185A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- panel
- nonwoven fabric
- film
- article
- fiber nonwoven
- Prior art date
Links
- 239000000835 fiber Substances 0.000 claims abstract description 105
- 239000000853 adhesive Substances 0.000 claims abstract description 49
- 239000004831 Hot glue Substances 0.000 claims abstract description 17
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 14
- 239000002985 plastic film Substances 0.000 claims abstract description 10
- 229920006255 plastic film Polymers 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000004745 nonwoven fabric Substances 0.000 claims description 146
- 230000001070 adhesive effect Effects 0.000 claims description 48
- 230000035699 permeability Effects 0.000 claims description 44
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000004744 fabric Substances 0.000 abstract description 8
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 210000001124 body fluid Anatomy 0.000 description 21
- 239000010839 body fluid Substances 0.000 description 13
- 230000007423 decrease Effects 0.000 description 6
- 239000012943 hotmelt Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229920000247 superabsorbent polymer Polymers 0.000 description 4
- 239000002250 absorbent Substances 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 230000002175 menstrual effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 210000002700 urine Anatomy 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 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
-
- 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
- A61F13/45—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 shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/674—Nonwoven fabric with a preformed polymeric film or sheet
Definitions
- the present invention relates to a disposable wearing article that absorbs and retains excrement.
- a liquid-absorbent panel is interposed between the liquid-permeable front sheet located on the skin-contacting side and the liquid-impermeable backsheet located on the non-skin-contacting side.
- a disposable wearing article having a surrounding area and a crotch area located between the waist areas, and having a pair of end flaps outside the both side edges of the panel and a pair of side flaps outside the both side edges of the panel. Is known.
- FIG. 8 is a partially broken development plan view of the article 1C in a state where the front and rear waist regions 23 and 25 are disconnected.
- 9 and 10 are a cross-sectional view taken along the line EE in FIG. 8 and a cross-sectional view taken along the line FF in FIG. 8, showing the article 1C in a slightly curved state.
- arrow X indicates the waist direction
- arrow Y indicates the vertical direction.
- This article 1C is a pants-type disposable diaper having a waist opening and a pair of leg openings, and is actually sold under the brand name of Rehabilitation Pants (manufactured and sold by Uni-Charm Co., Ltd.). Sold.
- the article 1C is interposed between the liquid-permeable front sheet 20, the substantially liquid-impermeable back sheet 21 and the front and back sheets 20 and 21. And a liquid absorbing panel 22.
- the article 1C has front and rear waist regions 23, 25 and a crotch region 24 located between the waist regions 23, 25, and a pair of end flaps 26, It has a pair of side flaps 27.
- the side flaps 27 of the front and rear waist regions 23 and 25 overlap in a palm-shape manner, and the side flaps of the waist regions 23 and 25 are overlapped.
- the tips 27 are fixed via a number of heat fusion wires 28 intermittently arranged in the vertical direction.
- the surface sheet 20 is formed of the hydrophilic fiber nonwoven fabric f6, and has an area slightly larger than that of the upper surface of the panel 22 and covers the entire upper surface of the panel 22.
- the inner surface of the surface sheet 20 is intermittently fixed to the upper surface of the panel 22 via an adhesive g.
- the back sheet 21 includes a moisture-permeable and liquid-impermeable plastic film f 7 located directly below the panel 22, a film-permeable and hydrophobic first-fiber nonwoven fabric f 8 located immediately below the film 7, It is formed from a moisture-permeable and hydrophobic second-fiber nonwoven fabric f 9 located immediately below the non-woven fabric fabric 8.
- the area of the film f7 is slightly larger than that of the lower surface of the panel 22 and covers the entire lower surface of the panel 22.
- First and second fiber non-woven fabrics: f 8 and f 9 are larger in area than that of film f 7 and cover the entire lower surface of panel 22 as well as both side edges and both side edges of panel 22 The portion located outside of and forms most of the end flap 26 and the side flap 27.
- Panel 22 is a mixture of fluff pulp and superabsorbent polymer particles, or a mixture of fluff pulp, superabsorbent polymer particles and thermoplastic synthetic resin fibers, and is compressed to a given thickness.
- the inner surface of film f7 is intermittently fixed to the lower surface of panel 22 via adhesive g, and the outer surface of film 7 is bonded to the inner surface of first fiber nonwoven fabric f8 with adhesive g. It is intermittently fixed via The first and second fiber nonwoven fabrics f 8, f 9 are not fixed in the area where the panel 22 is present, and are intermittently interposed between the end flap 26 and the side flap 27 via the adhesive g. It is fixed properly.
- the surface sheet 20 and the first fiber nonwoven fabric f8 are intermittently fixed to each other at the end flap 26 and the side flap 27 via an adhesive g.
- a hot melt type adhesive is used for the adhesive g.
- the article 1C has a moisture-permeable and liquid-impermeable film f7 fixed to the lower surface of the panel 22 so that body fluids such as urine and stool contained in the panel 22 can absorb moisture and menstrual blood.
- the panel 22 is prevented from being deformed while preventing infiltration into the first and second fiber nonwoven fabrics f 8 and f 9.
- the moisture permeability is the moisture permeability in the thickness direction in the area where the panel 22 of the article 1C is in a state where the topsheet 20 is removed.
- the body fluid can be prevented from seeping into the first and second fibrous nonwoven fabrics f8 and f9. Since the adhesive is fixed via the adhesive g, the adhesive g inhibits the moisture permeability of the film f7, and decreases the moisture permeability of the article 1C in the area where the panel 22 is present. With the article 1C, it is difficult to release the moisture inside the article 1C to the outside of the article 1C when worn, and it is impossible to prevent the inside of the article 1C from getting stuffy.
- An object of the present invention is to provide a disposable wearing article that can prevent leakage of bodily fluids and can prevent stuffiness during wearing by having high moisture permeability. Disclosure of the invention
- the premise of the present invention for solving the above problems is that a liquid-permeable top sheet located on the skin contact side, a substantially liquid-impermeable back sheet located on the skin non-contact side, A liquid-absorbent panel interposed between the front and back sheets, and having a pair of end flaps outside both ends of the panel and a pair of side flaps outside both sides of the panel. It is a disposable wearing article.
- the back sheet is located under the panel and covers at least the entire lower surface of the panel.
- a moisture-permeable and liquid-impervious plastic film that covers at least the entire lower surface of the panel, and that is located below the film and has an area larger than that of the film and that is larger than that of the film.
- the first fiber nonwoven fabric is intermittently fixed to the lower surface of the panel via a hot-melt adhesive in the area where the panel is formed.
- the film is intermittently fixed to one of the first and second fibrous nonwoven fabrics via an adhesive.
- a thickness of the article in a state where the surface sheet is removed in an area where the panel exists is provided.
- the directional moisture permeability is in the range of 2000 to 380 g / m 2 '24 hrs.
- the amount of the adhesive applied to the first fibrous nonwoven fabric and the film in the area where the panel is present is in the range of l to 10 g / m 2 .
- most of the end flaps and the side flaps are the first and second fibers, and at least the second fibers of the nonwoven fabric and the film.
- the end flap and the side flap are formed of a nonwoven fabric, and the surface sheet is intermittently fixed to at least the first fibrous nonwoven fabric of the first and second fibrous nonwoven fabrics.
- the surface sheet is formed of a moisture-permeable and hydrophilic fiber nonwoven fabric. The surface sheet is intermittently fixed to the upper surface of the panel via the adhesive o
- the article comprises: a front waist region and a rear waist region facing each other; and a crotch region located between the waist regions.
- the side flaps in the front and rear waist regions are connected, and have a pants-type with an opening around the waist and a pair of leg openings below it.
- FIG. 1 is a partially broken perspective view of an article shown as an example.
- FIG. 2 is an exploded plan view of the article shown in FIG.
- FIG. 3 is a cross-sectional view taken along line AA of FIG. 1
- FIG. 4 is a cross-sectional view taken along line B—; B in FIG.
- FIG. 5 is a partially broken development plan view of an article shown as another example.
- FIG. 6 is a cross-sectional view taken along line C-C of FIG.
- FIG. 7 is a cross-sectional view taken along line DD in FIG.
- FIG. 8 is an exploded plan view of a prior art article in which the front and rear waist regions have been disconnected.
- FIG. 9 is a cross-sectional view taken along line EE in FIG.
- FIG. 10 is a sectional view taken along line FF of FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIGS. 1 and 2 are a perspective view of an article 1A shown as an example and a partially broken development plan view of the article 1A of FIG. 1 showing a state in which the front and rear waist regions 5, 7 are disconnected.
- FIGS. 3 and 4 are a cross-sectional view taken along line AA of the article of FIG. 2 and a cross-sectional view taken along line B-B of FIG. 2, showing the article 1A in a slightly curved state.
- the waist direction is indicated by arrow X
- the vertical direction is indicated by arrow Y
- the leg circumference is indicated by arrow Z (Fig. 1 only).
- the thickness direction is indicated by an arrow W.
- the upper surface S 1 of the panel 4 refers to a surface facing the wearer's skin
- the lower surface S 2 of the panel 4 refers to a surface not facing the wearer's skin
- the first and second nonwoven fabrics f 2 and f 3 forming the front sheet 2 and the back sheet 3 and the inner surfaces S 3, S 5, S 7 and S 9 of the plastic film f 4 are formed on the panel 4.
- the outer surfaces S 4, S 6, S 8, and S 10 are surfaces not facing panel 4.
- Article 1A has a liquid permeable surface sheet 2 located on the skin contact side, It comprises a substantially liquid-impervious back sheet 3 located on the non-skin contact side, and a liquid-absorbent panel 4 interposed between the front and back sheets 2 and 3.
- the article 1A has a front waist region 5 and a rear waist region 7 facing each other, and a crotch region 6 located between the waist regions 5 and 7.
- the article 1A has a pair of end flaps 8 outside the both side edges 4a of the panel 4 and a pair of side flaps 9 outside the both sides 4b of the panel 4.
- the end flap 8 extends in the front and rear waist regions 5, 7 in the waist direction.
- the side flaps 9 extend between the end flaps 8 in the longitudinal direction and the leg circumference direction. As shown in FIG. 2, the side flap 9 forms an arc in the inseam area 6 toward the inside of the body 1A of the article 1A.
- Article 1A has a substantially hourglass shape in plan view.
- the side flaps 9 in the front and rear waist regions 5 and 7 overlap in a palm-shape manner, and the side flaps 9 in the waist regions 5 and 7 intermittently line up in the vertical direction. It is fixed via the heat fusion wire 10.
- the article 1A has a pants shape and has a waist opening 11 and a pair of leg openings 12 below it.
- a plurality of waist elastic members 13 extending in the waist direction are attached to the end wrap 8 in a contractible manner.
- a plurality of leg elastic members 14 extending in the leg circumferential direction are attached in a contractible manner.
- Panel 4 extends from the inseam area 6 to the front and rear waist areas 5 and 7.
- Panel 4 is a mixture of fluff pulp and superabsorbent polymer particles, or a mixture of fluff pulp and superabsorbent polymer particles and thermoplastic synthetic resin fibers, and is compressed to a given thickness. I have. Panel 4 prevents polymer particles from falling off, It is preferable that the whole is covered with a liquid-permeable sheet such as tissue paper or hydrophilic fiber nonwoven fabric.
- the surface sheet 2 is formed of a moisture-permeable and hydrophilic fiber nonwoven fabric f1.
- the surface sheet 2 has an area slightly larger than that of the upper surface S 1 of the panel 4 and covers the entire upper surface S 1 of the panel 4.
- the surface sheet 2 has both ends 2 a located outside both edges 4 a of the panel 4 and both sides 2 b located outside both edges 4 b of the panel 4.
- the inner surface S3 of the surface sheet 2 is intermittently fixed to the upper surface S1 of the panel 4 via a hot-melt adhesive g applied thereto.
- the back sheet 3 is formed of a moisture-permeable and hydrophobic first-fiber nonwoven fabric f2, a moisture-permeable and hydrophobic second-fiber nonwoven fabric f3, and a moisture-permeable and liquid-impermeable plastic film f4. .
- the first fiber nonwoven fabric: f2 is located immediately below the panel 4
- the film f4 is located immediately below the first fiber nonwoven fabric f2
- the second fiber nonwoven fabric f3 is located on the film f It is located just below 4.
- the first and second fiber nonwoven fabrics f 2, f 3 have an area larger than that of the film 4 and cover the entire lower surface S 2 of the panel 4.
- the area of the film f4 is slightly larger than that of the lower surface S2 of the panel 4, and covers the entire area of the lower surface S2 of the panel 4.
- the first and second fibrous nonwoven fabrics f 2 and f 3 and the film f 4 are formed at both ends f 2 a, f 3 a, which are located outside the both edges 4 a of the panel 4: f 4 a and the panel 4.
- F 2 b, f 3 b, f 4 b located outside the both side edges 4 b of.
- end flap 8 is formed of both ends of the first and second nonwoven fabrics f2 and f3; f2a and f3a.
- Most of the side flaps 9 are formed on both sides f 2 b, f 2 b, f 3, f 3 of the first and second fibrous nonwoven fabrics. It is formed from f 3 b.
- the inner surface S5 of the nonwoven fabric f2 is intermittently fixed to the lower surface S2 of the panel 4 via the hot-melt adhesive g applied to the first fiber nonwoven fabric f2,
- the inner surface S7 of the film f4 is intermittently fixed to the outer surface S6 of the first nonwoven fabric fiber f2 via the hot-melt adhesive g applied to 4.
- the outer surface S 8 of film 4 and the inner surface S 9 of second fiber nonwoven fabric f 3 are in a non-adhered state in the film.
- the adhesive g is intermittently applied to almost the entire area of the inner surface S3 of the surface sheet 2 and the nonwoven fabric: the inner surface S5 of f2 and the film: the inner surface S7 of f4 located in the area where the panel 4 is present. I have.
- both ends 2a of the surface sheet 2 and both ends f4a of the film f4 are slightly outwardly in the vertical direction from both ends 4a of the panel 4.
- the first and second nonwoven fibrous fabrics Both ends f2a, f3a of 2, f3 extend further longitudinally outward from their ends 2a, f4a.
- Both ends 2a of the topsheet 2 and both ends f2a of the first fiber nonwoven fabric f2 are the inner surfaces S3, S5 of the ends 2a, f2a. It is intermittently fixed through the intermediary.
- Both ends f 2 a of the first fiber nonwoven fabric f 2 and both ends of the film: f 4: f 4 a are those ends: inner and outer surfaces of f 2 a, f 4 a S 6 and S 7 are hot melt type It is intermittently fixed via the adhesive g.
- both ends f 2 a of the first fiber non-woven fabric f 2 and both ends f 3 a of the second fiber non-woven fabric f 3 correspond to the inner and outer surfaces S 6 and S 9 of the ends f 2 a and f 3 a. It is intermittently fixed via the melt-type adhesive g.
- the waist elastic member 13 is interposed between both ends f 2 a of the first fiber non-woven fabric f 2 and both ends f 3 a of the second fiber non-woven fabric f 3.
- both sides 2b of the surface sheet 2 and both sides f4b of the film f4 slightly extend outward from the side edges 4b of the panel 4 in the waist direction.
- F1, b2, f3b extend from both sides 2b, f4b further outward in the waist direction.
- the both sides 2b of the surface sheet 2 and the both sides f2b of the first fiber nonwoven fabric f2 are the inner surfaces S3 and S5 of the sides 2b and f4b. It is intermittently fixed via g.
- the both sides f 2 b of the first fiber nonwoven fabric f 2 and the both sides f 4 b of the film f 4 are bonded to the inner and outer surfaces S 6, S 7 of the sides f 2 b, f 4 b by a hot-melt type bonding. It is fixed intermittently via agent g.
- Both sides f 2 b of the first fiber non-woven fabric f 2 and both sides f 3 b of the second fiber non-woven fabric: 3 are the inner and outer surfaces S 6 and S 9 of those side f 2 b and f 3 b. It is intermittently fixed via the melt adhesive g.
- the elastic members for legs 14 are interposed between both sides of the first fiber nonwoven fabric f2: 2b and both sides f3b of the second fiber nonwoven fabric f3, and the nonwoven fabrics are f2 and f3. It is fixed to the inner and outer surfaces S6 and S9 of the.
- Article 1A has a moisture permeability in the range of 2000 to 380 g / m 2 ⁇ 24 hrs.
- the moisture permeability is the moisture permeability in the thickness direction in the area where the panel 4 of the article 1A in a state where the top sheet 2 is removed. That is, it is the moisture permeability in the thickness direction of the laminate composed of the panel 4, the first and second nonwoven fabrics f2 and f3, and the film f4, which overlap each other.
- the moisture permeability of the article 1A and the moisture permeability of the prior art article 1C were measured by the following measurement methods.
- test piece (2) Prepare a large number of circular test pieces having a diameter l cm larger than the diameter of the forcepipe, and cover the top opening of the cup with one test piece (based on JISZ-0208).
- the test piece is the above-mentioned laminate comprising Nonel 4, first and second nonwoven fabrics f2 and f3, and film: f4.
- the moisture permeability is less than 200 g / m2'24 hrs, it is difficult to release the moisture inside the article 1A to the outside of the article 1A, It is difficult to prevent stuffiness inside the article 1A because it will be trapped inside the article 1A.
- the coating amount of the adhesive g the coating amount of the adhesive g for the first fibrous nonwoven fabric f 2 and the film f 4 is in the range of. 1 to 1 O g / m 2 is 1 g / m 2 If it is less than 1, the moisture permeability of the article 1A can be improved, but the adhesion of the first fiber nonwoven fabric f2 to the panel 4 and the adhesion of the film f4 to the first fiber nonwoven fabric f2 decrease. However, the first fiber nonwoven fabric f2 and the film f4 may peel off.
- the adhesive g inhibits the moisture permeability of the first fiber nonwoven fabric: f2 and the film f4, and decreases the moisture permeability of the article 1A.
- the adhesive g can be applied to the surface sheet 2, the first and second nonwoven fabrics: 2, f3, film f4, spiral, zigzag, dot, and striped. It is applied in this manner.
- the surface sheet 2, the first and second nonwoven fabrics f2, f3, and the film: the area where the adhesive g is applied to the film 4 and the adhesive g are combined.
- the moisture permeability of the full I Lum f 4 is in the 2 1 5 0 ⁇ 4 0 0 0 g / m 2 ⁇ 2 4 hrs range.
- Moisture permeability of the film f 4 is a 2 1 5 0 g / m 2 ⁇ 2 below 4 hrs, can not and child the moisture permeability of the article 1 A to 2 0 0 0 g / m 2 ⁇ 2 4 hrs or more.
- the moisture permeability of the full Lee Lum f 4 is you exceed 4 0 0 0 g / m 2 ⁇ 2 4 hrs, water the adhesive is contained in the urine and feces from the portion not coated, body fluid such as menstrual blood is May exude.
- the moisture permeability of film 4 is set to 400 g / m 2 '24 hrs or less and the amount of adhesive applied is set to lg / m 2 , the moisture permeability of article 1A is 3800 Although it is 0 g / m 2 ⁇ 24 hrs or less, a decrease in moisture permeability can be suppressed as compared with the prior art article 1C.
- the surface sheet 2 the first and second fibrous nonwoven f 2, f 3 and the film; basis weight between f 4 is in the range of 1 5 ⁇ 4 0 g / m 2 . If the basis weight of the first and second fiber nonwoven fabrics f 2 and f 3 and the film: 4 is less than 15 g / m 2 , their strength decreases, and the first and second fiber nonwoven fabrics: f 2 and f 2 f3 and film f4 are easily damaged. If the basis weight of the first and second nonwoven fabrics f 2 and f 3 and the film f 4 exceeds 40 gm 2 , the rigidity of the back sheet 3 increases, and the flexibility of the back sheet 3 decreases. I do.
- the first fiber nonwoven fabric; f2 is disposed immediately below the panel 4, and Since the film f4 is fixed only to the first fibrous nonwoven fabric f2 via the adhesive g in the area where the panel 4 exists, the film f7 is arranged immediately below the panel 22 and Compare the film f7 with the prior art article 1C (see Figure 8), which is bonded to the panel 22 and the first nonwoven fibrous fabric f8 via an adhesive g applied to its inner and outer surfaces.
- the moisture permeability of the article 1A can be improved, and the moisture inside the article 1A can be smoothly released to the outside of the article 1A. When the article 1A is worn, the moisture does not remain inside the article 1A, and the inside of the article 1A can be prevented from becoming stuffy.
- First fibrous nonwoven fabric Immediately below, S l SOAOOO gZm 2 - 2 4 hrs of full I Lum having moisture permeability: f 4 is not disposed Runode, water contained in the urine and feces, body fluids such as menstrual blood Even if oozes from the first fiber nonwoven fabric f2, the body fluid does not pass through the film f4, and the body fluid does not leak out of the article 1A. Further, since the panel 4 and the first fiber nonwoven fabric f2 are fixed, even if the wearer moves violently while wearing the article 1A, the panel 4 Le 4 does not lose shape.
- FIG. 5 is a partially broken development plan view of the article 1B shown as another example, in a state where the connection between the front and rear waist regions 5, 7 is released.
- 6 and 7 are a cross-sectional view taken along line CC of FIG. 5 and a cross-sectional view taken along line DD of FIG. 5, respectively, showing the article 1B in a slightly curved state.
- the direction around the waist is indicated by arrow X
- the vertical direction is indicated by arrow Y.
- the thickness direction is indicated by an arrow W.
- 'Article 1B although not shown, has the same pan-shaped shape as that of article 1B in Fig. 1, and a large number of side flaps 5 and 7 with side flaps 9 intermittently arranged vertically. It is fixed via the heat sealing wire 10 and has a waist opening and a pair of leg openings below the waist opening.
- the article 1B comprises a liquid-permeable top sheet 2, a substantially liquid-impermeable back sheet 3, and a liquid-absorbing panel 4 interposed between the front and back sheets 2, 3. It has front and rear waist regions 5 and 7 and a crotch region 6 located between the waist regions 5 and 7.
- the article 1B has a pair of end flaps 8 outside the both side edges 4a of the panel 4 and a pair of side flaps 9 outside the both sides 4b of the panel 4.
- a pair of leak-proof sheets 15 are attached to the plug 9.
- a plurality of waist elastic members 13 extending in the waist direction are attached to the end flap 8 in a contractible manner.
- Side flaps 9 at the inseam 6 for multiple legs around the legs The elastic member 14 is attached so as to be contractable.
- the panel 4 extends from the crotch region 6 to the front and rear waist regions 5 and 7. The components of panel 4 are the same as those in FIG.
- the surface sheet 2 is formed from a moisture-permeable and hydrophilic fiber nonwoven fabric f1.
- the surface sheet 2 has an area slightly larger than that of the upper surface S 1 of the panel 4 and covers the entire upper surface S 1 of the panel 4.
- the inner surface S 3 of the surface sheet 2 is intermittently fixed to the upper surface S 1 of the panel 4 via a hot-melt adhesive g applied to the surface sheet 2.
- the back sheet 3 is formed of a moisture-permeable and hydrophobic first-fiber nonwoven fabric f2, a moisture-permeable and hydrophobic second-fiber nonwoven fabric f3, and a moisture-permeable and liquid-impermeable plastic film f4.
- the first fiber nonwoven fabric f2 is located immediately below the panel 4 while the film f4 is located immediately below the first fiber nonwoven fabric f2, and the second fiber nonwoven fabric f3 is located immediately below the first fiber nonwoven fabric f2. It is located directly below film f4.
- the first fiber nonwoven fabric f 2 and the film f 4 have a slightly larger area than that of the lower surface S 2 of the panel 4 and cover the entire lower surface S 2 of the panel 4.
- the second fiber nonwoven fabric f3 has an area larger than that of the first fiber nonwoven fabric f2 and the film f4, and covers the entire lower surface S2 of the panel 4.
- Most of the end flap 8 is formed from both ends of the first and second nonwoven fabrics f 2 and f 3: f 2 a and f 3 a.
- Most of the side flap 9 is formed from both side portions f 3 b of the second fiber nonwoven fabric f 3 and fixed side portions 15 a of the leak-proof sheet 15 described later.
- the inner surface S5 of the first fiber nonwoven fabric: f2 intermittently contacts the lower surface S2 of the panel 4 via the hot-melt adhesive g applied to the first fiber nonwoven fabric f2.
- Adhered to film 4 The film: The outer surface S8 of the film f4 is intermittently fixed to the inner surface S9 of the second fiber nonwoven fabric f3 via the laid hot melt adhesive g.
- the adhesive g is intermittently applied to substantially the entire inner surface S3 of the surface sheet 2 and the nonwoven fabric: the inner surface S5 of the f2 and the outer surface S8 of the film f4 located in the area where the panel 4 is present. I have.
- the adhesive g is applied in any one of a spiral shape, a zigzag shape, a dot shape, and a striped shape.
- the inner surface S7 of the film f4 is intermittently connected to the outer surface S6 of the first fiber nonwoven fabric f2 via the hot-melt adhesive g coated on the film 4 with the film. Is firmly fixed.
- the outer surface S6 of the first fibrous nonwoven fabric f2 and the inner surface S7 of the film f4 are in a non-bonded state.
- the leak-proof sheet 15 is formed of a hydrophobic fiber nonwoven fabric: f5, and extends from the crotch region 6 toward the front and rear waist regions 5 and 7.
- the leak-proof sheet 15 has a fixed side part 15a fixed to the side flap 9, a free side part 15b having a propensity to stand above the surface sheet 2, and a material 1B. It has fixed end portions 15c fixed to the end flap 9 in a state of lying inward in the waist direction.
- a stretchable elastic member 16 extending in the vertical direction is shrinkably attached to the free side portion 15b. The elastic member 16 is covered on a part of the free side portion 15b.
- both ends 2a of the surface sheet 2 and both ends of the film f4: 4a slightly extend outward in the vertical direction from both ends 4a of the panel 4, and
- the second fiber non-woven fabric both ends of f 2 and f 3: f 2a and f 3a extend roughly outward from both ends 2 a and f 4 a in the longitudinal direction.
- Both ends 2a of the surface sheet 2 and both ends of the first fibrous nonwoven fabric f2: f2a means that the inner surfaces S3 and S5 of the ends 2a and f2a are bonded together by a hot-melt method. It is fixed intermittently via agent g.
- both ends f3a of f3 and both ends f4a of film f4 are the inner and outer surfaces S8 and S9 of f3a and f4a. It is intermittently fixed via the mold adhesive g.
- Both ends f 2 a of the first fiber non-woven fabric f 2 and both ends f 3 a of the second fiber non-woven fabric f 3 are the inner and outer surfaces S 6 and S 9 of the ends f 2 a and f 3 a, respectively. It is intermittently fixed via the melt adhesive g.
- the waist elastic member 13 is interposed between both ends f2a of the first fiber nonwoven fabric f2 and both ends of the second fiber nonwoven fabric f3: P3a, and the fibrous nonwoven fabric f2, It is fixed to the inner and outer surfaces S 6 and S 9 of f 3.
- the fixed end portions 15c of the leakproof sheet 15 are intermittently fixed to both end portions f2a of the first fibrous nonwoven fabric f2 via a hot-melt adhesive g.
- both sides 2b, f2b, and f4b of surface sheet 2 first fiber nonwoven fabric f2, and film f4 extend from both side edges 4b of panel 4 to the waist.
- the fixed side portion 15a of the leak-proof sheet 15 extend outwardly from the both side edges 2b, f2b, f4b in the waist direction.
- Both sides 2 b of the topsheet 2 and the first fiber nonwoven fabric Both sides 2 b and f 2 b of 2 are hot melts of the inner surfaces S 3 and S 5 of those sides 2 b and f 2 b. It is intermittently fixed via the mold adhesive g.
- Both sides f 2 b of the first fibrous nonwoven fabric f 2 and both sides of the film f 4: f 4 b means that the inner and outer surfaces S 6 and S 7 of the sides f 2 b and f 4 b are hot-melt adhesives. It is intermittently fixed via g.
- the leg surrounding elastic member 14 is interposed between the both sides f 3 b of the second fiber nonwoven fabric f 3 and the fixed side 15 a of the leak-proof sheet 15, and the sides f 3 b, 1 5a is fixed to the inner surface S9.
- the fixed side 15a of the leak-proof sheet 15 is provided with a hot-melt adhesive g between both sides 2b of the surface sheet 2 and both sides f3b of the second fiber nonwoven fabric f3. It is fixed intermittently.
- the application amount of the hot-melt adhesive g to the first fiber nonwoven fabric f2 and the film f4 in the region where the panel 4 is present is the same as that in FIG.
- the moisture permeability of the film 4 and the basis weight of the surface sheet 2, the first and second nonwoven fabrics f2, f3, and the film f4 are the same as those in FIG.
- the moisture permeability of the front and rear waist regions 5, 7 2 0 0 0 ⁇ 3 8 0 0 g / m 2 - in 2 4 hrs range.
- the moisture permeability is the moisture permeability in the thickness direction in the existing area of the panel 4 of the article 1B from which the top sheet 2 has been removed, as in FIG.
- the method of measuring the moisture permeability is the same as that of Fig. 1.
- the first fiber nonwoven fabric f2 is disposed immediately below the panel 4, and the film f4 is bonded to the second fiber nonwoven fabric via the adhesive g in the region where the panel 4 is present. Since the film f 7 is fixed only to f 3, the film f 7 is placed immediately below the panel 22 and the film f 7 is bonded to the panel 22 and the first fiber non-woven fabric through the adhesive g applied to the inner and outer surfaces thereof. : Compared with the prior art article 1 C fixed to f 8 (see FIG. 8), the moisture permeability of the article 1 B can be improved, and the inside of the article 1 B in the front and rear waist regions 6 and 7 can be improved.
- the article 1B When the article 1B is worn, no moisture is trapped inside the article 1B, and the inside of the article 1B can be prevented from being stuffy.
- the first fibrous nonwoven f 2 2 1 5 0 ⁇ 4 0 0 0 g / m 2 ⁇ 2 4 hrs of off having a moisture permeability Irumu f 4 is not disposed Runode, body fluids first fibrous nonwoven fabric layer Even if it oozes out from f2, the body fluid does not pass through the film f4, and the body fluid does not leak to the outside of the article 1B.
- the panel 4 since the panel 4 is fixed to the first nonwoven fabric f2, even if the wearer moves vigorously while wearing the article 1B, the panel 4 may lose its shape. No.
- most of the end flap 8 is formed of the first and second fiber nonwoven fabrics f2 and f3
- most of the side flap 9 is formed of the second fiber nonwoven fabric f3 and the leakproof seal. Therefore, even if the bodily fluid exudes from both edges 4a and 4b of the panel 4, the bodily fluid infiltrates into the end flap 8 and the side flap 9. I will not do it.
- the elastic member 16 contracts and the free side 15b of the leak-proof sheet 15 rises above the surface sheet 2, and the free side 1 of the leak-proof sheet 15 Since 5b forms a barrier to bodily fluids, it is possible to prevent excretion from leaking from the crotch region 6.
- any of a hydrophobic fiber nonwoven fabric having a large number of openings and a liquid-permeable plastic film having a large number of fine openings can be used.
- Leakproof for the sheet 15 in addition to the hydrophobic fiber non-woven fabric, either a liquid-impervious plastic film or a composite sheet in which the hydrophobic fiber non-woven fabric and the liquid-impervious plastic film are overlapped may be used.
- Non-woven fabric fibers include polyolefin-based, polyester-based, and polyamide-based fibers, and core-sheath composite fibers or parallel composite fibers composed of polyethylene zpolypropylene or polyethylene / polyester. Can be used.
- hot melt adhesives such as styrene-based olefins can be used as the hot melt adhesive.
- the present invention can be applied not only to pan-type disposable wearing articles 1A and IB in which the front and rear waist areas are connected in advance but also to open-type disposable wearing articles that connect the front and rear waist areas when worn. Can be done.
- ADVANTAGE OF THE INVENTION According to the disposable wearing article which concerns on this invention, while a 1st fiber nonwoven fabric is arrange
- the moisture permeability of the article can be improved and the moisture inside the article can smoothly escape to the outside of the article as compared with the prior art article in which the adhesive is applied to the inner and outer surfaces of the film. be able to.
- This article Then, when it is worn, there is no dampness inside it, and it is possible to prevent stuffiness inside the article.
- the film is disposed below the first fiber non-woven fabric, even if the bodily fluid absorbed by the panel oozes out of the first fibrous non-woven fabric, the bodily fluid does not permeate the film, and the bodily fluid is removed. It does not leak out of the article. Also, since the panel and the first fiber nonwoven fabric are fixed, even if the wearer moves violently while wearing the article, the panel will not lose its shape.
- This article Pas thickness direction moisture permeability in the presence area of the channel is 2 0 0 0 ⁇ 3 8 0 0 g / m 2 of the article which is in the condition of removing a surface sheet - Ri 2 4 hrs range near the conventional It has better moisture permeability than technical articles.
- the extent in the article coating weight of the first fibrous nonwoven fabric and against to the film hot stop preparative adhesive is in the range of 1 ⁇ 1 0 g / m 2 , the first fibrous nonwoven fabric layer is not peeled off from the panel in the presence area of the panel
- the adhesive strength can be maintained to such an extent that the film does not peel off from the first fiber nonwoven fabric or the second fiber nonwoven fabric. Further, the moisture permeability of the first fiber nonwoven fabric and the film is not hindered by the adhesive.
- the flaps are substantially less Being liquid-impermeable, the body fluid does not penetrate into the end flap and the side flap even if the bodily fluid exudes from both edges and both lateral edges of the panel.
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020047018859A KR100695191B1 (ko) | 2002-05-23 | 2003-04-16 | 일회용 착용 물품 |
AU2003235182A AU2003235182B2 (en) | 2002-05-23 | 2003-04-16 | Disposable wearing article |
CA 2485715 CA2485715C (en) | 2002-05-23 | 2003-04-16 | Disposable wearing article |
EP20030723129 EP1516606B1 (en) | 2002-05-23 | 2003-04-16 | Disposable wearing article |
BR0311296A BR0311296A (pt) | 2002-05-23 | 2003-04-16 | Artigo do vestuário descartável |
US10/981,668 US7211709B2 (en) | 2002-05-23 | 2004-11-05 | Disposable wearing article |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002149581A JP4261128B2 (ja) | 2002-05-23 | 2002-05-23 | 使い捨て着用物品 |
JP2002-149581 | 2002-05-23 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/981,668 Continuation US7211709B2 (en) | 2002-05-23 | 2004-11-05 | Disposable wearing article |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003099185A1 true WO2003099185A1 (en) | 2003-12-04 |
Family
ID=29561213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/004831 WO2003099185A1 (en) | 2002-05-23 | 2003-04-16 | Disposable wearing article |
Country Status (11)
Country | Link |
---|---|
US (1) | US7211709B2 (ja) |
EP (1) | EP1516606B1 (ja) |
JP (1) | JP4261128B2 (ja) |
KR (1) | KR100695191B1 (ja) |
CN (1) | CN1309356C (ja) |
AU (1) | AU2003235182B2 (ja) |
BR (1) | BR0311296A (ja) |
CA (1) | CA2485715C (ja) |
MY (1) | MY133578A (ja) |
TW (1) | TWI260972B (ja) |
WO (1) | WO2003099185A1 (ja) |
Families Citing this family (11)
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US7179951B2 (en) * | 2000-06-21 | 2007-02-20 | The Procter & Gamble Company | Absorbent barrier structures having a high convective air flow rate and articles made therefrom |
SE0302867D0 (sv) * | 2003-10-31 | 2003-10-31 | Sca Hygiene Prod Ab | Breathable backsheet |
WO2009038964A1 (en) * | 2007-09-19 | 2009-03-26 | Persimmon Scientific | Devices for prevention of pressure ulcers |
JP5816022B2 (ja) * | 2011-08-04 | 2015-11-17 | ユニ・チャーム株式会社 | 吸収性物品 |
CN105555241B (zh) * | 2013-09-30 | 2020-03-31 | 株式会社利卫多公司 | 无纺布层叠体、具有无纺布层叠体的吸收性物品和无纺布层叠体的制造方法 |
WO2015046401A1 (ja) | 2013-09-30 | 2015-04-02 | 株式会社リブドゥコーポレーション | 不織布積層体および不織布積層体を有する吸収性物品 |
WO2017188162A1 (ja) * | 2016-04-25 | 2017-11-02 | 山田 菊夫 | 複合繊維シート、複合繊維シートを用いた使い捨て繊維製品、手袋、レインコート及び使い捨て繊維製品の製造方法 |
WO2018129701A1 (en) * | 2017-01-13 | 2018-07-19 | The Procter & Gamble Company | Nonwoven and absorbent articles having same |
CN107854224B (zh) * | 2017-10-31 | 2021-01-26 | 中原工学院 | 一种导流非织造复合材料及其制备方法 |
JP6911090B2 (ja) * | 2019-11-20 | 2021-07-28 | 大王製紙株式会社 | 使い捨て着用物品 |
CN114010401B (zh) * | 2021-11-09 | 2022-09-23 | 贵州卡布婴童用品有限责任公司 | 一种透气快速吸收纸尿裤 |
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- 2003-04-16 WO PCT/JP2003/004831 patent/WO2003099185A1/ja active Application Filing
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See also references of EP1516606A4 * |
Also Published As
Publication number | Publication date |
---|---|
BR0311296A (pt) | 2005-02-22 |
MY133578A (en) | 2007-11-30 |
TWI260972B (en) | 2006-09-01 |
KR20050004852A (ko) | 2005-01-12 |
KR100695191B1 (ko) | 2007-03-19 |
EP1516606A4 (en) | 2012-04-25 |
EP1516606A1 (en) | 2005-03-23 |
US20050065490A1 (en) | 2005-03-24 |
CN1309356C (zh) | 2007-04-11 |
AU2003235182A1 (en) | 2003-12-12 |
JP2003339763A (ja) | 2003-12-02 |
CA2485715C (en) | 2008-08-12 |
JP4261128B2 (ja) | 2009-04-30 |
AU2003235182B2 (en) | 2008-11-20 |
TW200408356A (en) | 2004-06-01 |
EP1516606B1 (en) | 2014-01-22 |
CN1655748A (zh) | 2005-08-17 |
CA2485715A1 (en) | 2003-12-04 |
US7211709B2 (en) | 2007-05-01 |
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