CN208974339U - Disposable absorbent article - Google Patents
Disposable absorbent article Download PDFInfo
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- CN208974339U CN208974339U CN201821066921.8U CN201821066921U CN208974339U CN 208974339 U CN208974339 U CN 208974339U CN 201821066921 U CN201821066921 U CN 201821066921U CN 208974339 U CN208974339 U CN 208974339U
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- layer
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- waist region
- absorbent article
- nonwoven layer
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- 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
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/4902—Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material
-
- 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
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/49011—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the waist region
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- 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)
Abstract
The utility model provides a kind of disposable absorbent article, including the crotch region between front waist region, rear waist region and two regions, the two sides of the front waist region and rear waist region are engaged respectively to form waistline opening, and the two sides of the crotch region extend to the front waist region, rear waist region to form a pair of leg circumference opening；The front waist region and/or rear waist region are equipped at least one stretching region, and the stretching region is configured to the multi-layer compound structure along at least transverse direction elastic telescopic；The multi-layer compound structure includes at least one layer of high molecular polymerization elastic membrane compound at least one layer of nonwoven layer, offers multiple air holes in at least one layer in the multi-layer compound structure.The absorbent device waist area uniform elastic of the utility model has good extensibility and compactness, comfortable and easy to wear, good permeability.
Description
Technical field
The utility model relates generally to hygiene article sector more particularly to a kind of disposable absorbent article.
Background technique
Disposable absorbent article in the market is broadly divided into pants type absorbent device and strip sheet type absorbent device, pants type moisture absorption
Articles have many advantages, such as easy to use, antiseep, are well received by consumers in recent years.This kind of absorbent device includes preceding waistline area
Domain, rear waist region and positioned at crotch region between the two, wherein the side of front waist region and the side of rear waist region
It is connected, the both ends of crotch region are connected with the bottom end of the bottom end of front waist region and rear waist region respectively, in addition, absorbability master
Body is set to the skin side of crotch region.However, current product or design still can not obtain satisfactory usage comfort.
Utility model content
The purpose of this utility model is that being directed to above-mentioned the problems of the prior art, it is equal to provide a kind of waist area elasticity
It is even, have many advantages, such as good extensibility and compactness, disposable absorbent article comfortable and easy to wear, good permeability.
For this purpose, providing a kind of disposable absorbent article, including front waist region, rear waist region according to the utility model
The two sides of crotch region between two regions, the front waist region and rear waist region are engaged respectively to form waistline
Opening, the two sides of the crotch region extend to the front waist region, rear waist region to form a pair of leg circumference opening；Its
In, the front waist region and/or rear waist region are equipped at least one stretching region, and the stretching region is configured to
Along the multi-layer compound structure of at least transverse direction elastic telescopic；The multi-layer compound structure includes and at least one layer of nonwoven layer
Compound at least one layer of high molecular polymerization elastic membrane offers in at least one layer in the multi-layer compound structure multiple ventilative
Hole.
According to above-mentioned technical concept, the utility model can further comprise any one or more following optional forms.
In certain optional forms, the multi-layer compound structure is set to the whole of the front waist region and rear waist region
In a transverse direction, including the first nonwoven layer, the second nonwoven layer, and be compounded in first nonwoven layer and
High molecular polymerization elastic membrane between second nonwoven layer, the multiple air hole penetrate the multi-layer compound structure.
In certain optional forms, first nonwoven layer, high molecular polymerization elastic membrane, the second nonwoven layer are logical
It is compound to cross ultrasonic bonding, and forms the multiple air hole at supersonic welding contact.
In certain optional forms, the porosity of air hole is 0.5% or more on the multi-layer compound structure, preferably
1%~25%, more preferably 2%~10%, more preferably 3%~5%, more preferably 3.5%~4.5%.
In certain optional forms, the elastic membrane is not extended to the end of the front waist region and rear waist region
The end of portion, the front waist region and rear waist region includes being compounded in first nonwoven layer and the second non-woven cloth
At least one elastomer extended between layer and along transverse direction.
In certain optional forms, first nonwoven layer extend the front waist region, rear waist region and
Crotch region, the elastic membrane and the second nonwoven layer extend the front waist region and rear waist region.
In certain optional forms, first nonwoven layer extends beyond the elastic membrane and the second non-woven cloth
Layer, and turned down inwardly in the end of waistline opening and be covered in second nonwoven layer.
In certain optional forms, second nonwoven layer extends to part crotch area from the rear waist region
Domain, and at least one elastomer composite that arc extends in a lateral direction is in first non-woven cloth of not elastic membrane
Between layer and the second nonwoven layer.
In certain optional forms, the stretching region is arranged to have from crotch region to waistline opening and continuously increase
The expansion and contraction added.
In certain optional forms, the expansion and contraction of the stretching region is 1.2~8.
In certain optional forms, the elastomer content of the stretching region is 5%~100%, fiber number is 20~
1240dtex, unit area grammes per square metre are 20~200gsm.
In certain optional forms, continuity or multiple by phased manner between the elastic membrane and at least one layer of nonwoven layer
It closes.
It further include extending to the front waist region and rear waist region from the crotch region in certain optional forms
Absorbent main body, the two sides of the absorbent main body are equipped with encirclement, and the side fold inward of the encirclement is simultaneously coated along vertical
At least one elastomer extended to direction is to form three-dimensional shield.
In certain optional forms, the end of the absorbent main body along the longitudinal direction is covered with screening glass respectively.
Compared with existing product, the disposable absorbent article of the utility model has at least the following advantages:
1. front waist region and/or rear waist region are equipped at least one stretching region, which can be along at least
Transverse direction elastic telescopic meets user's stature size and its movable needs, and stretching region is in entire waist area
Uniform elastic, it is high with the compactness of human body, it is comfortable and easy to wear, it is beautiful and generous, it is not likely to produce and strangles the symptoms such as trace redness.
2. stretching region is combined at least one layer of nonwoven layer at least one layer of high molecular polymerization elastic membrane more
Layer composite construction offers multiple air holes thereon, and good permeability, comfort level is high, and skin is avoided to produce in sultry moisture
The symptoms such as raw eczema itch.
Detailed description of the invention
The other feature of the utility model and advantage are by the optional embodiment by being described in detail below in conjunction with attached drawing
It more fully understands, identical label identifies the same or similar component in attached drawing, in which:
Fig. 1 is the schematic diagram according to the first embodiment of the absorbent device of the utility model；
Fig. 2 is the schematic diagram after the expansion of Fig. 1 illustrated embodiment, shows partial cross section structure；
Fig. 3 is the front waist region of Fig. 1 illustrated embodiment or the section enlarged diagram of rear waist region；
Fig. 4 is the schematic diagram after second of embodiment expansion according to the absorbent device of the utility model, shows portion
Partial cross-section structure；
Fig. 5 is the schematic diagram after the third embodiment expansion according to the absorbent device of the utility model, shows portion
Partial cross-section structure；
Fig. 6 is the schematic diagram after the 4th kind of embodiment expansion according to the absorbent device of the utility model, shows portion
Partial cross-section structure；
Fig. 7 is the schematic diagram after the 5th kind of embodiment expansion according to the absorbent device of the utility model, shows portion
Partial cross-section structure；
Fig. 8 is the schematic diagram after the 6th kind of embodiment expansion according to the absorbent device of the utility model, shows portion
Partial cross-section structure；
Fig. 9 is the schematic diagram after the 7th kind of embodiment expansion according to the absorbent device of the utility model, shows portion
Partial cross-section structure.
Specific embodiment
The implementation and use of embodiment is discussed further below.It will be appreciated, however, that the specific embodiment discussed only shows
Illustrate to plasticity the ad hoc fashion for implementing and using the utility model, rather than limits the scope of the utility model.It is each in description
The statement in the locations of structures of a component such as directions such as upper and lower, top, bottom is not absolute, opposite.When each portion
When part is arranged as shown in the figure, the statement of these directions is appropriate, but in figure when the position change of all parts, these direction tables
State also corresponding change.
Herein, " preceding " refers to towards human abdomen side, and " rear " refers to towards human body back side." transverse direction " refers to edge
Human body waistline direction；" longitudinal direction " refers to along human body length direction, more specifically refers to from abdomen or back one of both via crotch
Portion is around the direction of the another one into the two." inside " refers to the skin side close to human body, and " outside " refers to the opposite side far from human body.
" side " refers to the edge extendd in the longitudinal direction, and " end " refers to the edge extended in transverse direction.
Herein, so-called " disposable absorbent article " include but is not limited to pants type sanitary napkin, underwear type closed type urine pants,
Toilet training trousers or incontinent patients underpants.The absorbent device of this type includes the preceding waistline of main fitting human abdomen
Crotch region between region, the main rear waist region and two regions for being bonded human body back, wherein front waist region is with after
The two sides of waist area are engaged respectively to form waistline opening, and the two sides of crotch region extend to front waist region, low back
It encloses region and is interconnected to form a pair of leg circumference opening.In addition, absorbent device further includes being set to crotch area in crotch region
The absorbent main body in domain.
Herein, " liquid permeability surface layer " refers to that hot-melt fiber handles by surface hydrophilicity and has permeability to liquid
Non-woven cloth, including liquid permeability surface layer, liquid permeability guide layer." opaque liquid bottom ", which refers to, to be applied in absorbent device to stop
Compound bottom membrane of the liquid to the ventilative film layer of exosmosis, curtain coating film layer or ventilated membrane and non-woven cloth.
It is usually suitable to calf circumference or waistline etc. in order to improve the fitness for being directed to human body surface in disposable absorbent article
When part assign retractility.As the method for assigning waistline retractility, following three kinds of modes can be used:
1. by the more elongate elastic flexible components such as rubber reinforcement in transverse direction extend in the state of horizontal row
The method for arranging and fixing；
2. elastic membrane to be placed on to the method for the region extended in transverse direction and fixation；
3. elastic non-woven cloth to be placed on to the method for the region extended in transverse direction and fixation.
The above method can preferably assign waistline retractility.However, method 1, due to using rubber reinforcement, retractility exists
Waist area is unevenly distributed, and is more tightly strangled when use at rubber reinforcement, and body-sensing is uncomfortable.Method 2 and method 3 equally cannot be entire
Waist area provides retractility, but for example only provides retractility in two sides waist or front and back waist region in partial region,
Retractility and uneven on whole break facet.
For the usage comfort for further increasing absorbent device, the utility model advantageously front waist region and/or after
Waist area is equipped at least one stretching region, and the stretching region is configured to along at least transverse direction elastic telescopic
Multi-layer compound structure, the multi-layer compound structure include at least one layer of high molecular polymerization compound at least one layer of nonwoven layer
Elastic membrane, also, multiple air holes are offered in at least one layer in multi-layer compound structure.As a result, by stretching region and thoroughly
Stomata realizes whole waistline uniform elastic, comfortable fitting, size adjusting, the dry and comfortable multi-party bit function such as breathe freely.It should be understood, however, that
It is, it is not excluded that deformation of the stretching region along other directions (for example, longitudinal direction or inclination direction etc.) is flexible.
High molecular polymerization elastic membrane can be any commonly employed one pack system or multicomponent high molecular polymer, for example including but
It is not limited to polyethylene, polypropylene, polycarbonate, polyvinyl chloride, polystyrene, polyurethane and combinations thereof.
As an example, multiple stretching regions can be arranged in the form of round, rectangle or polygon front waist region and/
Or on rear waist region.
In each embodiment, stretching region can be also integrally formed with front waist region and/or rear waist region.
In some embodiments, the multi-layer compound structure of stretching region is set to front waist region and rear waist region
In entire transverse direction, and by first (outside) nonwoven layer, the second (inside) nonwoven layer and it is arranged between two layers
One layer of high molecular polymerization elastic membrane be combined.Optionally, multi-layer compound structure also can be by one layer of nonwoven layer and one layer
High molecular polymerization elastic membrane is combined, and nonwoven layer or high molecular polymerization elastic membrane constitute the skin side close to human body.Its
In, nonwoven layer is one pack system or multi-component single-layer or multi-layer composite construction, and fiber number is 0.1~7dtex, unit area gram
Weight is 5~60gsm, preferably 10gsm~25gsm.The elastomer content of high molecular polymerization elastic membrane is 5%~100%, fiber number
For 20~1240dtex, unit area grammes per square metre is 20~200gsm.In addition, high molecular polymerization elastic membrane and nonwoven layer are answered
Closing technique includes but is not limited to adhesive bonding, ultrasonic bonding, hot melt pressing, mechanical connection or their combination etc..
In some embodiments, the expansion and contraction of stretching region is preferably 1.2~8, and more preferably 1.5~4.Expansion and contraction is
Refer to the ratio of transverse width of the stretching region under the transverse width and unstretched condition under ultimate elongation state.Optionally, it stretches
Contracting region is arranged to have from crotch region to waistline opening continuously increased expansion and contraction, by continuous in telescopic direction
Ground variation, the variation of shrinkage become continuously to meet the needs that waist opening area has stronger convergent force than crotch region.
In some embodiments, it also it is contemplated that do not change the expansion and contraction of stretching region, but is set in waistline open area
Elastomer or band-like flexible nonwoven fabrics are set, to meet the increased needs of waistline opening elasticity.
As described above, the absorbent device of the utility model has good permeability simultaneously, which covers
The permeability of the permeability and stretching region of front waist region and/or rear waist region itself.For stretching region
Speech, can offer multiple air holes in at least one layer in multi-layer compound structure, and air hole is macroscopic aperture or meat
The sightless micropore of eye, including multiple air holes are only evenly arranged in high molecular polymerization elastic membrane, or in high molecular polymerization
Multiple air holes are evenly arranged in elastic membrane and nonwoven layer.Optionally, air hole is linearly, polyline shaped or wave are linear
It is arranged in stretching region.It is compound by ultrasonic bonding between high molecular polymerization elastic membrane and at least one layer of nonwoven layer,
In the compound stage, ultrasonic brazing unit vibrates under high frequency (such as 20k Hz) high-speed condition with the pedestal on bottom roller
Contact, friction generates heat so that high molecular polymerization elastic membrane and at least one layer of nonwoven layer are melt bonded.Wherein, bottom roller
On pedestal correspond to the decorative pattern shape (such as waveform) of air hole, and air hole is formed at supersonic welding contact.
In some embodiments, air hole only penetrates high molecular polymerization elastic membrane, without penetrating nonwoven layer.Another
In some embodiments, air hole penetrates each layer of multi-layer compound structure.
Optionally, the single hole area for the air hole being evenly arranged on stretching region or multi-layer compound structure is 0.05~
20mm2, preferably 0.1~4mm2, more preferably 0.2~1mm2, more preferably 0.3~0.5mm2.Stretching region or multilayer are multiple
Close structure every square metre of salient point on every square metre of ventilative hole number that is, ultrasonic bonding bottom roller under ultimate elongation state
Quantity is 1000~150000, preferably 10000~130000, more preferably 60000~120000, more preferably
95000~110000.Porosity is more than or equal to 0.5%, preferably 1%~25%, more preferably 2%~10%, more preferably
It is 3%~5%, more preferably 3.5%~4.5%.Above-mentioned single hole area refers to that multi-layer compound structure is under ultimate elongation state
The wherein single air hole sectional area in high molecular polymerization elastic membrane.Porosity refers to that multi-layer compound structure is in ultimate elongation shape
The ratio of all air hole sectional area summations and the multilayer materials gross area under state.
In some embodiments, the porosity for the air hole being evenly arranged on stretching region or multi-layer compound structure is
0.5%~1%.In other embodiments, the hole for the air hole being evenly arranged on stretching region or multi-layer compound structure
Rate is 1%~2%.In yet other embodiments, the hole for the air hole being evenly arranged on stretching region or multi-layer compound structure
Gap rate is 2%~3%.In some other embodiments, the air hole that is evenly arranged in stretching region or multi-layer compound structure
Porosity is 5%~8%.
In one embodiment, air hole single hole diameter is about 0.7mm on stretching region or multi-layer compound structure, single
Hole area is about 0.385mm2, every square metre of ventilative hole number is about 103400.
In some embodiments, the ventilative pore size distribution on scalability multi-layer compound structure is uneven, that is, exists saturating
The more intensive region of stomata and the more sparse region of air hole.In other embodiments, be only distributed in can for air hole
The partial region of retractility multi-layer compound structure.
It should be understood that about single hole area, porosity, elastomer content, unit area grammes per square metre, elongation and fiber number etc.
Parameter limitation, is able to carry out suitably changes according to actual needs, be in above range under normal circumstances.In addition, above-mentioned
Known various elastic components, for example, rubber reinforcement, Lycra silk, spandex thread etc. can be used in elastomer.
It is clearly and completely retouched below in conjunction with technical solution of the attached drawing to the optional embodiment of the utility model
It states.
Fig. 1 to Fig. 3 shows the first embodiment of absorbent device according to the present utility model.Preferably
In, absorbent device is pants type sanitary napkin 1, including front waist region 11, rear waist region 12 and crotch region 13 between the two,
Wherein, the two sides of front waist region 11 and rear waist region 12 are engaged respectively to form waistline opening 14, for example, preceding waistline
The transverse sides 111 in region 11 and the transverse sides 121 of rear waist region 12 can pass through ultrasonic bonding, the conjunction of hot-rolling pressure viscosity etc.
Any suitable way is combined together.Optionally, the absorbent device using complete after, can also by by transverse sides that
This removing is torn to realize Quick disassembling.In addition, the two sides of crotch region 13 extend respectively to front waist region 11, rear waistline
Region 12 is simultaneously interconnected to form a pair of leg circumference opening 15, for example, in this embodiment, crotch region 13 includes being set to
The preceding joint portion 131 and rear joint portion 132 at both ends, preceding joint portion 131 for example pass through the skin of adhesive and front waist region 11
Skin flanks conjunction, and rear joint portion 132 is for example engaged by adhesive with the skin side of rear waist region 12.
Fig. 2 is the structural schematic diagram after the pants type sanitary napkin expansion of present embodiment, as shown, the preceding waistline after expansion
Region 11, crotch region 13 and rear waist region 12 are in " work " type structure.Front waist region 11, crotch region 13 and rear waistline area
Domain 12 is generally independent three components, and is stitched together in the fabrication process.Multi-layer compound structure is set to preceding waistline
In the entire transverse direction of region 11 and rear waist region 12, including the first nonwoven layer 161, the second nonwoven layer 162,
And it is compounded in the elastic membrane 163 between the first nonwoven layer 161 and the second nonwoven layer 162, as shown in Figure 3.And
And in the preferred embodiment, multiple air holes penetrate multi-layer compound structure.13 example of crotch region is rectangular patch, is had
Liquid permeability surface layer 133 set on skin side and the opaque liquid bottom 134 set on outside.Absorbent main body 17 is set to crotch region
13, in this embodiment, absorbent main body includes the suction being set between liquid permeability surface layer 133 and opaque liquid bottom 134
Receive core 171.Absorptive core 171 can be mutually glued for the liquid permeability surface layer 133 and opaque liquid bottom 134 with crotch region 13
Super water-absorbent fibrous material, or be arranged to the moisture absorption being coated between core transparent liquid coating and core liquid impermeable
The lateral margin of material, core transparent liquid coating and core liquid impermeable is interconnected and the liquid permeability surface layer with crotch region 13
133 and opaque liquid bottom 134 be interconnected.
It can be seen in fig. 2 that in this embodiment, elastic membrane 163 is not extended to front waist region and rear waist region
End, the end of front waist region and rear waist region includes being compounded in the first nonwoven layer 161 and the second non-woven cloth
Between layer 162 and along at least one elastomer 18 that transverse direction extends, such as elastic elastic.Wherein, first and second is non-
Woven layer is the single layer structure of one pack system, and fiber number is 0.1~7dtex, and unit area grammes per square metre is 10~60gsm.Elastic membrane 163
Elastomer content is 5%~100%, and fiber number is 20~1240dtex, and unit area grammes per square metre is 20~200gsm.Stretching region energy
Enough along 1.5~8 times of waistline direction elastic elongation, and in its natural state it is in accordion, so that in wearing, preceding waistline area
Domain 11 and rear waist region 12 have the uniform elastic extension of overall surface, can be along at least transverse direction and longitudinal direction bullet
Property stretch and adjustment, and natural shrinking after the completion of wearing so that diaper body fitting human skin surface layer and without sense of tying tight.
It should be understood that the elastomer 18 that the end of front waist region and rear waist region is arranged in makes waistline opening tool
There is increased expansion and contraction, meets the needs of user is to diaper body close sense.Meanwhile in order to improve the comfort level of pants type sanitary napkin,
Leg-openings can also be equipped with elastic shrinkage structure (not shown).It is extended along the longitudinal direction for example, being preferably provided at leg-openings
And at least one elastic elastic of laid out in parallel in transverse direction.When preparation, elastic elastic is drawn by certain stretch ratio
It stretches, and is attached on the open edge of waistline opening and leg-openings through hot-melt binding by predetermined arc and length, drawn after molding
The elastic elastic stretched restores to natural shrinking state, so that waistline opening and leg-openings shrink form pleated portions therewith, prevents
Leakage of body fluid when use.
It should also be understood that elastic membrane 163 can be elongated by preset elongation drawing-off, and be at bullet when preparation
Property restore range in；Then, two layers of nonwoven layer of same size 161,162 is fitted in into the elastic membrane 163 respectively
Two sides, and carried out using discontinuity or successional complex method compound.After compound completion, in the state of not stretching,
Nonwoven layer 161,162 restores elastic deformation with elastic membrane 163 and forms fold.Wherein, intermittent is compound or continuity is multiple
Close to be the modes such as hot rolling, chemical adhesion or ultrasonic bonding.Finally, enterprising in front waist region 11 and rear waist region 12
The perforation of row physics, and preferably two sides nonwoven layer and the pore size of elastic membrane 163 is consistent.
In a preferred embodiment, using ultrasonic welding process by nonwoven layer 161,162 and elastic membrane
163 are combined with each other to form multi-layer compound structure.And it is formed at almost each supersonic welding contact and penetrates nonwoven layer
161, the air hole of elastic membrane 163,162 three-decker of nonwoven layer.Using ultrasonic bonding combination process, scalability is multiple
It closes structure and does not add glue, reduce because the reasons such as user waist sweat dipping dissolution glue may be to user's health band
The risk come.The intensive air hole formed on most of even whole region of waist area significantly improves waistline again
The gas permeability in region reduces a possibility that user waist sweat impregnates, improves the comfort level of user and further drop
It is low to give user's health bring risk.
Optionally, the single hole area for the air hole being evenly arranged on multi-layer compound structure is 0.05~20 mm2, preferably
0.1~4mm2, more preferably 0.2~1mm2, more preferably 0.3~0.5mm2.Stretching region or multi-layer compound structure are drawn in the limit
Every square metre on every square metre of ventilative hole number under state that is, ultrasonic bonding bottom roller of salient point quantity is stretched, be 1000~
150000, preferably 10000~130000, more preferably 60000~120000, more preferably 95000~110000
It is a.Porosity is more than or equal to 0.5%, preferably 1%~25%, more preferably 2%~10%, more preferably 3%~5%, more
Preferably 3.5%~4.5%.
Fig. 4 shows second of embodiment according to the present utility model, and in the embodiment, pants type sanitary napkin 2 includes
Front waist region 21, rear waist region 22.The absorptive core 271 of absorbent main body 27 is set to the liquid permeability surface layer of crotch region
Between 233 and opaque liquid bottom 234.Difference with above embodiment is: the transverse sides 221 of rear waist region 22 connect
It is connected to belt-shaped fastener 222, correspondingly, the transverse sides 211 of front waist region 21 can be equipped with to be cooperatively connected with belt-shaped fastener 222
Belt-shaped fastener 222 and interconnecting piece are connected and fixed by interconnecting piece when wearing, without by the transverse sides of front waist region 21
211 and the transverse sides 221 of rear waist region 22 be engaged with each other.Wherein, the connection of belt-shaped fastener 222 and interconnecting piece is, for example, glue
It closes or snaps connection.Thus, it can be achieved that quickly and easily wearing and unloading.It should be understood that before belt-shaped fastener also may be provided at
On waist area.
Fig. 5 shows the third embodiment according to the present utility model, in pants type sanitary napkin 3 preferably,
The two sides for being disposed with the crotch region 33 of absorbent main body 37 thereon extend to front waist region 31 and rear waist region 32 simultaneously
It is integrally formed.Elastic membrane 363 is compounded between 361 second nonwoven layer 362 of the first nonwoven layer, and including being located at Attacking Midfielder
Enclose at least one elastomer 38 of the end of region and rear waist region.First nonwoven layer 361 is whole piece, before extending
Waist area 31, rear waist region 32 and crotch region 33.Elastic membrane 363 and the second nonwoven layer 362 then extend Attacking Midfielder
Region 31 and rear waist region 32 are enclosed, as shown in phantom in FIG..
Optionally, nonwoven layer 361,362 can be multi-component multi-layer compound structure, and fiber number is 0.1~7dtex, single
Plane product grammes per square metre is 5~60gsm.Optionally, the fabric of elastic membrane 363 is treated elastic microlevel membrane material, is opened thereon
If air hole naked eyes it is invisible.Since elastic membrane 363 is equipped with multiple breathable microporous, thus in the preparation, by elastic membrane
363 with other two layers of nonwoven layer 361,362 it is successively compound, without after compound completion to the lamination layer structure into
Row entirety physics perforation.
Fig. 6 shows the four kind embodiment similar with Fig. 5 illustrated embodiment, and in this embodiment, pants type is defended
First nonwoven layer 461 of raw towel 4 extends front waist region 41, rear waist region 42 and crotch region 43, elastic membrane
463 and second nonwoven layer 462 extend front waist region 41 and rear waist region 42, absorbent main body 47 covers crotch area
Domain 43 simultaneously extends to front waist region 41 and rear waist region 42.In addition, the first nonwoven layer 461 extends beyond elastic membrane
463 and second nonwoven layer 462, and turn down in the end of front waist region and rear waist region that be covered in second non-inwardly
Woven layer 462.Optionally, the part 464 of 461 fold inward of the first nonwoven layer, which substantially covers, is set to waistline opening
At least one elastomer 48.
Optionally, the first nonwoven layer 461 of the embodiment, elastic membrane 463, the second nonwoven layer 462 are compound
Air hole porosity on the multi-layer compound structure of formation is 1%~25%, more preferably 2%~10%, more preferably 3%
~5%, more preferably 3.5%~4.5%.
Fig. 7 shows the five kind embodiment similar with Fig. 5 illustrated embodiment, wherein the first of pants type sanitary napkin 5
Nonwoven layer 561 extends front waist region 51, rear waist region 52 and crotch region, and elastic membrane 563 extends preceding waistline
Region 51 and rear waist region 52, absorbent main body 57 cover crotch region and extend to front waist region 51 and rear waist region
52.In this embodiment, the second nonwoven layer 562 for extending rear waist region 52 extends to part crotch region, and
And the elastomer 58 in addition to waistline opening is arranged in, at least one elastomer 59 that arc extends in a lateral direction are compounded in
Do not have between the first nonwoven layer 561 of elastic membrane and the second nonwoven layer 562.Especially crotch area is enhanced as a result,
The compactness and comfort level in domain.
Fig. 8 shows the six kind embodiment similar with Fig. 5 illustrated embodiment, wherein the first of pants type sanitary napkin 6
Nonwoven layer 661 extends front waist region 61, rear waist region 62 and crotch region, and elastic membrane 663 extends preceding waistline
Region 61 and rear waist region 62, absorbent main body 67 cover crotch region and extend to front waist region 61 and rear waist region
62.In this embodiment, the two sides of absorbent main body 67 are equipped with encirclement 674, and the side fold inward of the encirclement 674 is simultaneously
At least one elastomer (not shown) extendd in the longitudinal direction is coated to form three-dimensional shield 675, to help avoid making
User is for instance in the leakage of body fluid lain on one's side when waiting positions.Encirclement 674 can be made by the non-woven cloth layer material of pro-skin.
It is preferably soft it can also be seen that screening glass 676 can be respectively equipped at the both ends of absorbent main body 67 in Fig. 8
Spend laminated structure made of higher non-woven cloth layer material.Screening glass 676 is covered on the end of absorbent main body 67, and
With 662 hot calendering bonding of the second nonwoven layer.In this way, the end and side of absorbent main body 67 when avoiding wearing
The end of encirclement directly and human contact, will not scrape human skin.
Fig. 9 shows the seven kind embodiment similar with Fig. 5 illustrated embodiment, wherein the absorption of pants type sanitary napkin 7
Property main body 77 cover and crotch region 73 and extend to front waist region 71 and rear waist region 72, and front waist region and low back
Region is enclosed equipped at least one elastomer 78.In this embodiment, the transverse sides of rear waist region 72 are connected with band-like button
Part 722, correspondingly, the transverse sides of front waist region 71 can be equipped with the interconnecting piece being cooperatively connected with belt-shaped fastener 722, such as
For adhesive tape or buckle.It should be understood that belt-shaped fastener also may be provided on front waist region.
The technology contents and technical characterstic of the utility model are had revealed that above, it being understood, however, that in the utility model
Under creative ideas, those skilled in the art can make various changes and improve to design disclosed above, but belong to this reality
With novel protection scope.The description of above embodiment is exemplary rather than restrictive, the protection of the utility model
Range is determined by claim.
Claims (16)
1. disposable absorbent article, including the crotch region between front waist region, rear waist region and two regions, before described
The two sides of waist area and rear waist region are engaged respectively to form waistline opening, and the two sides of the crotch region extend to
The front waist region, rear waist region are to form a pair of leg circumference opening；
It is characterized in that, the front waist region and/or rear waist region are equipped at least one stretching region, the stretching region
It is configured to the multi-layer compound structure along at least transverse direction elastic telescopic；
The multi-layer compound structure includes at least one layer of high molecular polymerization elastic membrane compound at least one layer of nonwoven layer, institute
It states and offers multiple air holes in at least one layer in multi-layer compound structure.
2. disposable absorbent article according to claim 1, which is characterized in that the multi-layer compound structure is set to described
In the entire transverse direction of front waist region and rear waist region, including the first nonwoven layer, the second nonwoven layer, and
The high molecular polymerization elastic membrane being compounded between first nonwoven layer and the second nonwoven layer, the multiple air hole
Penetrate the multi-layer compound structure.
3. disposable absorbent article according to claim 2, which is characterized in that first nonwoven layer, macromolecule
Polymeric elastic film, the second nonwoven layer are compound by ultrasonic bonding, and are formed at supersonic welding contact the multiple
Stomata.
4. disposable absorbent article according to claim 3, which is characterized in that air hole on the multi-layer compound structure
Porosity is within the scope of 1% to 25%.
5. disposable absorbent article according to claim 4, which is characterized in that air hole on the multi-layer compound structure
Porosity is within the scope of 2% to 10%.
6. disposable absorbent article according to claim 5, which is characterized in that air hole on the multi-layer compound structure
Porosity is within the scope of 3% to 5%.
7. the disposable absorbent article according to any one of claim 2-6, which is characterized in that the elastic membrane is not prolonged
Extend to the end of the front waist region and rear waist region, the end of the front waist region and rear waist region includes compound
At least one elastomer extended between first nonwoven layer and the second nonwoven layer and along transverse direction.
8. disposable absorbent article according to claim 7, which is characterized in that first nonwoven layer extends institute
Front waist region, rear waist region and crotch region are stated, the elastic membrane and the second nonwoven layer extend the preceding waistline
Region and rear waist region.
9. disposable absorbent article according to claim 8, which is characterized in that first nonwoven layer extends beyond
The elastic membrane and the second nonwoven layer, and turned down inwardly in the end of waistline opening and be covered in described second and non-knit
Make layer of cloth.
10. disposable absorbent article according to claim 8, which is characterized in that second nonwoven layer is from described
Rear waist region extends to part crotch region, and at least one elastomer composite that arc extends in a lateral direction is not having
Between first nonwoven layer of flexible film and the second nonwoven layer.
11. disposable absorbent article according to claim 8, which is characterized in that the stretching region is arranged to have
It is open continuously increased expansion and contraction from crotch region to waistline.
12. disposable absorbent article according to claim 8, which is characterized in that the expansion and contraction of the stretching region is 1.2
~8.
13. disposable absorbent article according to claim 8, which is characterized in that the elastomer content of the stretching region
It is 5%~100%, fiber number is 20~1240dtex, and unit area grammes per square metre is 20~200gsm.
14. disposable absorbent article according to claim 8, which is characterized in that the elastic membrane non-is knitted at least one layer of
Make continuity or compound by phased manner between layer of cloth.
15. disposable absorbent article according to claim 8, which is characterized in that further include extending from the crotch region
To the absorbent main body of the front waist region and rear waist region, the two sides of the absorbent main body are equipped with encirclement, described
The side fold inward of encirclement simultaneously coats at least one elastomer extendd in the longitudinal direction to form three-dimensional shield.
16. disposable absorbent article according to claim 15, which is characterized in that the absorbent main body is along the longitudinal direction
End be covered with screening glass respectively.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821066921.8U CN208974339U (en) | 2018-07-06 | 2018-07-06 | Disposable absorbent article |
| SG11202013195QA SG11202013195QA (en) | 2018-07-06 | 2018-12-24 | Disposable absorbent article |
| CN201880092848.8A CN112261924A (en) | 2018-07-06 | 2018-12-24 | Disposable moisture absorption article |
| PCT/CN2018/123033 WO2020006996A1 (en) | 2018-07-06 | 2018-12-24 | Disposable absorbent article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821066921.8U CN208974339U (en) | 2018-07-06 | 2018-07-06 | Disposable absorbent article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208974339U true CN208974339U (en) | 2019-06-14 |
Family
ID=66779754
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821066921.8U Active CN208974339U (en) | 2018-07-06 | 2018-07-06 | Disposable absorbent article |
| CN201880092848.8A Pending CN112261924A (en) | 2018-07-06 | 2018-12-24 | Disposable moisture absorption article |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880092848.8A Pending CN112261924A (en) | 2018-07-06 | 2018-12-24 | Disposable moisture absorption article |
Country Status (3)
| Country | Link |
|---|---|
| CN (2) | CN208974339U (en) |
| SG (1) | SG11202013195QA (en) |
| WO (1) | WO2020006996A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3558190B1 (en) | 2016-12-20 | 2021-10-13 | The Procter & Gamble Company | Method for making elastomeric laminates with elastic strands unwound from beams |
| US11147718B2 (en) | 2017-09-01 | 2021-10-19 | The Procter & Gamble Company | Beamed elastomeric laminate structure, fit, and texture |
| CN114272019B (en) | 2017-09-01 | 2023-10-10 | 宝洁公司 | Method and apparatus for making elastomeric laminates |
| US11925537B2 (en) | 2017-09-01 | 2024-03-12 | The Procter & Gamble Company | Beamed elastomeric laminate structure, fit, and texture |
| JP7382239B2 (en) | 2020-01-24 | 2023-11-16 | 日本製紙クレシア株式会社 | Pants-type absorbent article |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017514732A (en) * | 2014-05-02 | 2017-06-08 | スリーエム イノベイティブ プロパティズ カンパニー | Method for making a breathable elastic film laminate and articles obtained therefrom |
| RU2707674C2 (en) * | 2015-01-30 | 2019-11-28 | Дайо Пейпер Корпорейшн | Absorbent article and method for production thereof |
| JP5999790B1 (en) * | 2015-03-27 | 2016-09-28 | 大王製紙株式会社 | Pants-type disposable diaper |
| JP6723087B2 (en) * | 2016-06-20 | 2020-07-15 | 大王製紙株式会社 | Disposable wearing articles |
| JP6240733B1 (en) * | 2016-09-30 | 2017-11-29 | 大王製紙株式会社 | Disposable wearing article and manufacturing method thereof |
-
2018
- 2018-07-06 CN CN201821066921.8U patent/CN208974339U/en active Active
- 2018-12-24 CN CN201880092848.8A patent/CN112261924A/en active Pending
- 2018-12-24 WO PCT/CN2018/123033 patent/WO2020006996A1/en active Application Filing
- 2018-12-24 SG SG11202013195QA patent/SG11202013195QA/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020006996A1 (en) | 2020-01-09 |
| SG11202013195QA (en) | 2021-01-28 |
| CN112261924A (en) | 2021-01-22 |
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