CN103519938B - Disposable absorbent article - Google Patents
Disposable absorbent article Download PDFInfo
- Publication number
- CN103519938B CN103519938B CN201310477545.7A CN201310477545A CN103519938B CN 103519938 B CN103519938 B CN 103519938B CN 201310477545 A CN201310477545 A CN 201310477545A CN 103519938 B CN103519938 B CN 103519938B
- Authority
- CN
- China
- Prior art keywords
- absorptive core
- top flat
- egative film
- absorbent article
- body fluid
- 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.)
- Expired - Fee Related
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
- A61F13/5121—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations characterised by the vertical shape of the apertures, e.g. three dimensional apertures, e.g. macro-apertures
-
- 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
- A61F13/531—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 having a homogeneous composition through the thickness of the pad
- A61F13/532—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 having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
A kind of disposable absorbent article, it absorptive core comprising the top flat of liquid permeability, liquid-tight egative film and be arranged between top flat and egative film, in the edge of this top flat and the edge secure bond of egative film absorptive core is wrapped in space that top flat and egative film formed, adhesives is adopted between this top flat and absorptive core, when water touches this binding agent through top flat, this binding agent makes the topsheet area of chance water and absorptive core depart from by losing adhesive property.After disposable absorbent article of the present invention absorbs body fluid, topsheet area and the absorptive core of meeting body fluid depart from, body fluid spatial accommodation is formed between top flat and absorptive core, this spatial accommodation also possesses the effect of certain water conservancy diversion irrigation canals and ditches, and the body fluid of storage progressively flows to the dry and comfortable position not yet absorbing body fluid of this absorptive core.
Description
Technical field
The present invention relates to a kind of disposable absorbent article.
Background technology
The absorptive core that existing disposable absorbent article generally includes the top flat of a liquid permeability, a liquid-tight egative film and is arranged between top flat and egative film; And the sanitary towels that common disposable absorbent article, particularly women use, its top flat and absorptive core, be all bonded by common PUR between absorptive core and egative film.Owing to being combined by PUR between each layer, after causing disposable absorbent article to absorb certain body fluid, body fluid transmission speed is slow, causes trans topsheet amount to increase, and then causes body fluid to leak outside, make user feel very uncomfortable.
In addition, existing disposable absorbent article, usually needs wearer directly to check the need of replacing or determines according to certain time interval.In this case, the situation that often body fluid can be caused to leak outside because wearer holds bad replacing construction occurs.
Summary of the invention
In view of this, be necessary to provide a kind of disposable absorbent article, it can effectively prevent body fluid from leaking outside.
A kind of disposable absorbent article, it absorptive core comprising the top flat of a liquid permeability, a liquid-tight egative film and be arranged between top flat and egative film, in the edge of this top flat and the edge secure bond of egative film absorptive core is wrapped in space that top flat and egative film formed, adhesives is adopted between this top flat and absorptive core, when water touches this binding agent through top flat, this binding agent makes the topsheet area of chance water and absorptive core depart from by losing adhesive property.
A kind of disposable absorbent article, it comprises the top flat of a liquid permeability, a liquid-tight egative film, the guide layer that is arranged on the absorptive core between top flat and egative film and is arranged between top flat and absorptive core, in the edge of this top flat and the edge secure bond of egative film guide layer and absorptive core are wrapped in space that top flat and egative film formed, adhesives is adopted between this guide layer and absorptive core, when water touches this binding agent through top flat and guide layer, this binding agent makes the guide layer region of chance water and absorptive core depart from by losing adhesive property.
After new disposable absorbent article provided by the invention absorbs water (as body fluid), binding agent between absorptive core and upper strata synusia (top flat or guide layer) loses viscosity, thus, synusia region, upper strata and the absorptive core of meeting body fluid depart from, the temporary transient spatial accommodation of body fluid is formed between upper strata synusia and absorptive core, this spatial accommodation also possesses the effect of certain water conservancy diversion irrigation canals and ditches, and the body fluid of storage progressively flows to the dry and comfortable position not yet absorbing body fluid of this absorptive core; Thus reverse osmosis phenomenon not easily occurs body fluid, reduce the probability that body fluid leaks outside, and described top flat keeps dry and comfortable, improves the comfort of wearer.In addition, when the increase along with body fluid volume, absorptive core is separated gradually with upper strata synusia, absorptive core tenesmus increases, rocking of this absorptive core that wearer can feel, thus provide the signal that needs to change this absorbent article to wearer, make wearer better hold the replacing construction of absorbent article, reduce the probability that body fluid leaks outside, improve the security protection performance of absorbent article.
Accompanying drawing explanation
Fig. 1 is the generalized section of the disposable absorbent article of first embodiment of the invention.
Generalized section when Fig. 2 is the using state of the disposable absorbent article of first embodiment of the invention.
Fig. 3 is the generalized section of the disposable absorbent article of second embodiment of the invention.
Fig. 4 is the generalized section of the disposable absorbent article of third embodiment of the invention.
Main element symbol description
| Disposable absorbent article | 100，200 |
| Top flat | 110，210 |
| Absorptive core | 120，220 |
| Egative film | 130，230 |
| Guide layer | 240 |
| Spatial accommodation | 150 |
| Binding agent | 160 |
| PUR | 170 |
| Embossed channels | 180 |
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Refer to Fig. 1, the liquid-tight egative film 130 of top flat 110, that disposable absorbent article 100 of the present invention comprises a liquid permeability and the absorptive core 120 be arranged between top flat 110 and egative film 130, the edge secure bond of the edge of this top flat 110 and egative film 130 (as pressing or paste combines etc.) thus in absorptive core 120 is wrapped in space that top flat 110 and egative film 130 formed.Adopt binding agent 160 to bond between this top flat 110 and absorptive core 120, this binding agent 160 will lose adhesive property after meeting water (as body fluid).This binding agent 160 is preferably the crylic acid resin hydrosol.Conventional PUR 170 is adopted to bond between this egative film 130 and absorptive core 120.
Refer to Fig. 2, during use, after disposable absorbent article 100 touches body fluid, when body fluid is through top flat 110, the binding agent 160 touching body fluid between top flat 110 and absorptive core 120 loses viscosity, thus top flat 110 region of chance body fluid and absorptive core 120 are departed from, and between top flat 110 and absorptive core 120, form a spatial accommodation 150.This spatial accommodation 150 can store cannot immediately by the body fluid that absorptive core 120 absorbs, and this spatial accommodation 150 also possesses the effect of certain water conservancy diversion irrigation canals and ditches, makes the body fluid of storage progressively flow to the dry and comfortable position not yet absorbing body fluid of this absorptive core 120.So, not easily there is reverse osmosis phenomenon in body fluid, thus reduce the probability that body fluid leaks outside, and make described top flat 110 keep dry and comfortable, improves the comfort of wearer.
Along with the increase of this disposable absorbent article 100 absorber liquid measure, absorptive core 120 is separated gradually with top flat 110, the tenesmus of absorptive core 120 increases, this absorptive core 120 that wearer can feel rocks increasing, thus provide the signal that needs to change this disposable absorbent article 100 to wearer, make wearer better hold the replacing construction of absorbent article.
Understandable, refer to Fig. 3, this top flat 110 also can arrange embossed channels 180, and make the binding agent 160 between this top flat 110 and absorptive core 120 only be arranged on the bottom of embossed channels 180.
Because embossed channels 180 is spaced apart on top flat 110, therefore this binding agent 160 is also spaced apart between this top flat 110 and absorptive core 120, after this disposable absorbent article 100 absorbs body fluid, top flat 110 and absorptive core 120 can depart from faster, thus form body fluid spatial accommodation 150 faster between top flat 110 and absorptive core 120.
Refer to Fig. 4, the liquid-tight egative film 230 of top flat 210, that disposable absorbent article 200 of the present invention comprises a liquid permeability, the guide layer 240 being arranged on the absorptive core 220 between top flat 210 and egative film 230 and being arranged between top flat 210 and absorptive core 220, the edge secure bond of the edge of this top flat 210 and egative film 230 (as pressing or paste combines etc.) thus in absorptive core 220 and guide layer 240 are wrapped in space that top flat 210 and egative film 230 formed.After the chance water (as body fluid) adopted between this guide layer 240 and absorptive core 220, the binding agent 160 losing adhesive property is bondd.This binding agent is preferably the crylic acid resin hydrosol.Conventional PUR 170 is adopted to bond between this top flat 210 and guide layer 240, between this egative film 230 and absorptive core 220.
The use of this disposable absorbent article 200, can join the use of above-mentioned disposable absorbent article 100, no longer describe in detail at this; Unlike: when body fluid is through top flat 210 and guide layer 240, the binding agent 160 touching body fluid between guide layer 240 and absorptive core 220 loses viscosity, region and the absorptive core 220 of meeting the guide layer 240 of body fluid depart from, and form spatial accommodation between guide layer 240 and absorptive core 220.
After new disposable absorbent article provided by the invention absorbs body fluid, binding agent between absorptive core and upper strata synusia (top flat or guide layer) loses viscosity gradually, thus, upper strata synusia and the absorptive core of meeting humoral part depart from, the temporary transient spatial accommodation of body fluid is formed between upper strata synusia and absorptive core, this spatial accommodation also possesses the effect of certain water conservancy diversion irrigation canals and ditches, and the body fluid of storage progressively flows to the dry and comfortable position not yet absorbing body fluid of this absorptive core; Thus reverse osmosis phenomenon not easily occurs body fluid, reduce the probability that body fluid leaks outside, and described top flat keeps dry and comfortable, improves the comfort of wearer.In addition, when the increase along with body fluid volume, absorptive core is separated gradually with upper strata synusia, absorptive core tenesmus increases, rocking of this absorptive core that wearer can feel, thus provide the signal that needs to change this absorbent article to wearer, make wearer better hold the replacing construction of absorbent article, reduce the probability that body fluid leaks outside, improve the security protection performance of absorbent article.
In addition, those skilled in the art also can make various amendments in other form and details, interpolation and replacement in the claims in the present invention scope of disclosure and spirit.Certainly, the changes such as these various amendments made according to the present invention's spirit, interpolation and replacement, all should be included within the present invention's scope required for protection.
Claims (4)
1. a disposable absorbent article, it comprises the top flat of a liquid permeability, one liquid-tight egative film and the absorptive core be arranged between top flat and egative film, in the edge of this top flat and the edge secure bond of egative film absorptive core is wrapped in space that top flat and egative film formed, it is characterized in that: between this top flat and absorptive core, adopt adhesives, this top flat is also provided with embossed channels, and the binding agent between this top flat and absorptive core is only arranged on the bottom of embossed channels, when water touches this binding agent, this binding agent makes the topsheet area of chance water and absorptive core depart from by losing adhesive property, a spatial accommodation is formed between the topsheet area of this chance water and absorptive core, it is inner and cannot immediately by body fluid that this absorptive core absorbs that this spatial accommodation is used for temporary this disposable absorbent article that enters into, PUR is adopted to bond between this egative film and absorptive core.
2. disposable absorbent article as claimed in claim 1, is characterized in that: this binding agent is the crylic acid resin hydrosol.
3. a disposable absorbent article, it comprises the top flat of a liquid permeability, one liquid-tight egative film, the guide layer being arranged on the absorptive core between top flat and egative film and being arranged between top flat and absorptive core, in the edge of this top flat and the edge secure bond of egative film guide layer and absorptive core are wrapped in space that top flat and egative film formed, it is characterized in that: between this guide layer and absorptive core, adopt adhesives, when water touches this binding agent through top flat and guide layer, this binding agent makes the guide layer region of chance water and absorptive core depart from by losing adhesive property, a spatial accommodation is formed between this guide layer and absorptive core, it is inner and cannot immediately by body fluid that this absorptive core absorbs that this spatial accommodation is used for temporary this disposable absorbent article that enters into, between this top flat and guide layer, PUR is adopted to bond between this egative film and absorptive core.
4. disposable absorbent article as claimed in claim 3, is characterized in that: this binding agent is the crylic acid resin hydrosol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477545.7A CN103519938B (en) | 2013-10-14 | 2013-10-14 | Disposable absorbent article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310477545.7A CN103519938B (en) | 2013-10-14 | 2013-10-14 | Disposable absorbent article |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103519938A CN103519938A (en) | 2014-01-22 |
| CN103519938B true CN103519938B (en) | 2016-01-13 |
Family
ID=49922531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310477545.7A Expired - Fee Related CN103519938B (en) | 2013-10-14 | 2013-10-14 | Disposable absorbent article |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103519938B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10292875B2 (en) * | 2013-09-16 | 2019-05-21 | The Procter & Gamble Company | Absorbent articles with channels and signals |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1207662A (en) * | 1995-11-22 | 1999-02-10 | 普罗克特和甘保尔公司 | Water dispersible and flushable absorbent article |
| CN1618419A (en) * | 2000-08-11 | 2005-05-25 | 宝洁公司 | Improved topsheet contacting hydrous body tissues, and absorbent device using the topsheet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2281535A4 (en) * | 2008-05-28 | 2012-11-14 | Unicharm Corp | Absorptive article and sanitary napkin |
-
2013
- 2013-10-14 CN CN201310477545.7A patent/CN103519938B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1207662A (en) * | 1995-11-22 | 1999-02-10 | 普罗克特和甘保尔公司 | Water dispersible and flushable absorbent article |
| CN1618419A (en) * | 2000-08-11 | 2005-05-25 | 宝洁公司 | Improved topsheet contacting hydrous body tissues, and absorbent device using the topsheet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103519938A (en) | 2014-01-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20191014 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |