CN107361924A - A kind of suitable body leakproof absorbent article and preparation method thereof - Google Patents
A kind of suitable body leakproof absorbent article and preparation method thereof Download PDFInfo
- Publication number
- CN107361924A CN107361924A CN201710672329.6A CN201710672329A CN107361924A CN 107361924 A CN107361924 A CN 107361924A CN 201710672329 A CN201710672329 A CN 201710672329A CN 107361924 A CN107361924 A CN 107361924A
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- China
- Prior art keywords
- leakproof
- edge
- leakproof edge
- absorbent article
- suitable body
- Prior art date
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- Granted
Links
- 230000002745 absorbent Effects 0.000 title claims abstract description 118
- 239000002250 absorbent Substances 0.000 title claims abstract description 118
- 238000002360 preparation method Methods 0.000 title description 3
- 239000007788 liquid Substances 0.000 claims abstract description 96
- 239000002344 surface layer Substances 0.000 claims abstract description 44
- 230000035699 permeability Effects 0.000 claims abstract description 41
- 229920001971 elastomer Polymers 0.000 claims abstract description 35
- 239000000806 elastomer Substances 0.000 claims abstract description 34
- 239000004744 fabric Substances 0.000 claims description 61
- 238000007664 blowing Methods 0.000 claims description 47
- 238000009826 distribution Methods 0.000 claims description 25
- 239000010410 layer Substances 0.000 claims description 24
- 244000309466 calf Species 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 19
- 239000003292 glue Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 238000007731 hot pressing Methods 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 238000004026 adhesive bonding Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005253 cladding Methods 0.000 claims description 2
- 229920002334 Spandex Polymers 0.000 description 31
- 239000004759 spandex Substances 0.000 description 31
- 210000002700 urine Anatomy 0.000 description 15
- 210000002414 leg Anatomy 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 239000004745 nonwoven fabric Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000011505 plaster Substances 0.000 description 6
- 239000004814 polyurethane Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000004750 melt-blown nonwoven Substances 0.000 description 4
- 239000000084 colloidal system Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 229920000247 superabsorbent polymer Polymers 0.000 description 3
- 239000004831 Hot glue Substances 0.000 description 2
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 206010025476 Malabsorption Diseases 0.000 description 1
- 208000004155 Malabsorption Syndromes Diseases 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007766 curtain coating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000004914 menses Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000009987 spinning Methods 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009941 weaving Methods 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
- A61F13/45—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
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15585—Apparatus or processes for manufacturing of babies' napkins, e.g. diapers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
- A61F13/15723—Partitioning batts; Cutting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
- A61F13/15731—Treating webs, e.g. for giving them a fibrelike appearance, e.g. by embossing
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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
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
- A61F13/15747—Folding; Pleating; Coiling; Stacking; Packaging
-
- 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
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
- A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
- A61F13/49413—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier
-
- 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
- A61F2013/15008—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterized by the use
- A61F2013/15146—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterized by the use for urine collection
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
- A61F2013/15861—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding
-
- 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
- A61F2013/49084—Absorbent articles specially adapted to be worn around the waist, e.g. diapers conformable
Abstract
The present invention relates to a kind of suitable body leakproof absorbent article, including liquid permeability surface layer, opaque liquid bottom and dumbbell shape absorbent cores, left leakproof edge and right leakproof edge are respectively arranged with the width both sides of the absorbent article, each leakproof edge includes base portion, freedom portion, and it is connected to the freedom portion and is located at the pars contractilis of freedom portion upper end, elastomer is provided with the pars contractilis so that leakproof edge flexible retractility in a longitudinal direction, it is characterised in that：Each leakproof edge is also included located at the suitable body connecting portion between the base portion and freedom portion, the suitable body connecting portion is located at longitudinal both sides of the edge position with the dumbbell shape absorbent cores crotch, the suitable body connecting portion is when absorbent article is in nature relaxation stereoscopic-state, so that for width of the leakproof edge of junction along dumbbell shape absorbent cores crotch to after contract, each leakproof edge forms three-dimensional arc leakproof edge in the width of absorbent article between freedom portion and suitable body connecting portion.
Description
Technical field
The present invention relates to disposable sanitary articles technical field, more particularly to a kind of suitable body leakproof absorbent article and its
Preparation method.
Background technology
In general, baby's absorbent article includes baby paper diaper, nappy, Tolaku etc., there is multilayer material composition,
Including inner surface material, absorbing material etc..As the improvement of people's living standards, due to baby paper diaper have it is easy to carry,
The advantages of clean hygiene, therefore, the application of paper diaper for infant, are more and more extensive.Baby's absorbent article increasingly be particular about comfortably with
Practicality, the application of baby's absorbent article facilitate people and foster baby.
More thick and heavy due to result in paper diaper using traditional technique, it is inconvenient to come to infant's active belt, and it is long when
Between use easily rise stick together, tomography, therefore be easily expressed to the crotch of infant, made troubles to infant's activity, while
The health care belt of infant is endangered, influences the healthy growth of infant.In order to which baby's dress is more comfortable, occur by bulky suction
Receive situation of the material to ultra-thin absorbent excessive material.But because ultrathin products have the characteristics of lighter and thinner, more comfortable, therefore
More and more welcomed by the people.
Design focal point is also placed in leakproof by current paper diaper mostly, prevents various troubles that urine leakage is brought and not
Just, the cutting method of baby's hip curve should be adapted to by less focusing on paper diaper, this engineering science of people not met, especially for leakproof
The thick and heavy paper diaper of design be to the inside pressure of baby leg it is quite big, it is even more so after inner core-body adsorbs urine, make
Into baby's inconvenient activity, harm can be brought for a long time to the health of baby by using, and influence the healthy growth of baby.Therefore, bulletin
Number a kind of gold double-arc multilayer core body paper diaper are proposed for CN 203089561U patent, including be arranged in paper diaper
Strip inner core-body, the inner core-body have the indent camber line of resigning leg, length of the indent camber line along inner core-body
Direction is symmetricly set on the both sides of inner core-body center line；The inner core-body includes two ends along its length direction and is located at
Middle part between two ends, the width at middle part are less than the width at both ends, and the both ends at middle part are connected by changeover portion respectively with end
Connect, changeover portion gradually becomes broadly to be connected from middle part to both ends nature transition.By precisely cutting crotch radian, gold ratio is formed
The double arcs of example, make to be under pressure on the inside of baby leg, more comfortable fittingness after baby wears, activity is more convenient,
Freely；And also make paper diaper more frivolous, ventilative on the basis of paper diaper dry leakproof is ensured, inner core-body not discontinue, no
Rise and stick together, beneficial to the healthy growth of baby.
However, although the absorptive core of paper diaper is arranged to the absorptive core of the curved structure of crotch by prior art, also
Claim dumbbell shape absorptive core, but the calf circumference due to being set on disposable absorbent article and leakproof edge, it prevents in use
Leakage edge erects the stereoscopic-state that takes the shape of the letter U, therefore leakproof edge still can constantly be rubbed to the leg skin of wearer, be led
It is even inflamed that scratch occurs on skin in cause.Therefore, the present invention is on the basis of existing leakproof edge, by setting suitable body
Connecting portion so that when absorbent article is in nature relaxation stereoscopic-state so that the junction between freedom portion and suitable body connecting portion
Width of the leakproof edge along dumbbell shape absorbent cores crotch to after contract, width of each leakproof edge in absorbent article
Degree direction forms three-dimensional arc leakproof edge, avoids the problem of leakproof edge rubs to the leg skin of wearer, while because
Leakproof edge is to the crotch of absorptive core to contract so that the more suitable body of wearing of absorbent article, personal effect are more preferable.
The content of the invention
The purpose of the present invention is exactly to be directed to above-mentioned technical problem to provide, on the basis of paper diaper dry leakproof is ensured,
A kind of build ratio according to baby is provided, by crotch width direction of the leakproof edge along dumbbell shape absorbent cores to contract, made
It will not be under pressure on the inside of baby leg, personal effect is more preferable so that the absorbent article of the more suitable body of wearing, baby wear
More comfortable fittingness, activity are more convenient, free afterwards.
In order to realize above-mentioned target, the present invention is achieved through the following technical solutions：Described suitable body leakproof absorbent article,
Including liquid permeability surface layer, opaque liquid bottom and the dumbbell shape suction being placed between the liquid permeability surface layer, opaque liquid bottom
Core is received, left leakproof edge extendable in the longitudinal direction and right leakproof are respectively arranged with the width both sides of the absorbent article
Edge, each leakproof edge includes base portion, is connected to the base portion and positioned at the freedom portion of base portion upper end, and is connected to this certainly
By portion and positioned at the pars contractilis of freedom portion upper end, elastomer is provided with the pars contractilis so that leakproof edge is in longitudinal direction
Upper flexible retractility, each leakproof edge is also included located at the suitable body connecting portion between the base portion and freedom portion, described
Suitable body connecting portion is located at longitudinal both sides of the edge position with the dumbbell shape absorbent cores crotch, and the suitable body connecting portion is in absorbent article
In relax naturally stereoscopic-state when so that the leakproof edge of junction is along dumbbell shape between freedom portion and suitable body connecting portion
To after contract, each leakproof edge forms three-dimensional arc in the width of absorbent article to be prevented the width of absorbent cores crotch
Leak edge.
In a specific embodiment, longitudinal side of the suitable body connecting portion along dumbbell shape absorbent cores crotch width direction
Boundary is symmetrical arranged, and the distance between the suitable body connecting portion and crotch longitudinal direction side border are 0-5mm, the suitable body connecting portion and base
Interruption distance between portion is 3-20mm.
Dumbbell shape absorbent cores of the present invention, its horizontal breadth the both ends of crotch point along absorbent cores central point gradually
Enter to shrink, form the curved curve of crotch point or arc broken line and be in symmetrical two crotch longitudinal direction sides border.Each leakproof
The suitable body connecting portion of edge is made up of at least one tie point being distributed along crotch longitudinal direction side border, and the tie point is by ultrasound
Ripple, infrared, heat seal pressing are formed or formed through glue bond, the distribution trajectory that the tie point is formed include a tie point or
The point distribution that two tie points are formed, or the camber line formed by two or more tie point is continuously distributed, straight line is continuously distributed, arc
Kind one of in Disjunct distribution and linear Disjunct distribution.
Each leakproof edge of the present invention by being integrally formed after being folded with certain non-woven cloth resistant to pressure, its
In, the base portion of leakproof edge is combined with surface layer or opaque liquid bottom, is coated with the junction along base portion longitudinal side
The elastomer of fate cloth is to form calf circumference, and the border of the width longitudinal direction of leakproof edge exceeds the longitudinal edge beyond absorbent cores
Boundary, and flushed with the longitudinal boundary of the opaque liquid bottom.
The opaque liquid bottom is from top to bottom bonded by counterdie, with certain counterdie non-woven cloth resistant to pressure,
And the horizontal breadth of counterdie non-woven cloth is more than counterdie transverse direction breadth, the counterdie non-woven cloth is integrally formed described every after folding
One leakproof edge, including longitudinal boundary from the counterdie non-woven cloth along absorbent article to after interior folding with surface layer or counterdie
It is gluing with reference to and form the base portion of leakproof edge, then the counterdie non-woven cloth continue up extension after be folded in or out in order it is viscous
Close and form the pars contractilis of each leakproof edge.
Opaque liquid bottom of the present invention from top to bottom glues by counterdie, with certain counterdie non-woven cloth resistant to pressure
Conjunction is formed, and the horizontal breadth of counterdie non-woven cloth is more than counterdie transverse direction breadth, and the counterdie non-woven cloth is integrally formed after folding
Described each leakproof edge.As further preferred scheme, the counterdie non-woven cloth be integrally formed after folding include by
Longitudinal boundary of the counterdie non-woven cloth along absorbent article to after interior folding with surface layer or counterdie it is gluing with reference to and formed anti-
The base portion of edge is leaked, then the counterdie non-woven cloth is folded in or out in order bonding and formed described each after continuing up extension
The pars contractilis of leakproof edge.
In leakproof edge pars contractilis, elastomer includes the fixing end at elastomer both ends and between two fixing end
Elastic force section, the draw ratio of the elastic force section is 1.3-2.9, formed with multiple gauffers in elastic force section, the plurality of gauffer difference
Continuously extend on more elastomers, and the fixing end is fixed on pars contractilis material.
The present invention also provides a kind of new leakproof barrier structure, along each leakproof edge base portion inboard width direction
Longitudinal direction side border is provided with heat seal impervious body, and the heat seal impervious body from top to bottom will be each anti-in the thickness direction of absorbent article
Leakage edge is connected with opaque liquid bottom or each leakproof edge, liquid permeability surface layer and opaque liquid bottom hot rolling.In some tools
In body embodiment, each leakproof edge, liquid permeability surface layer and opaque liquid bottom are passed through heat seal by the heat seal impervious body
Layer connects as one.Heat seal antiseepage physical efficiency effectively prevents transverse width direction of the urine along dumbbell shape absorbent cores from leakproof edge
Space between opaque liquid bottom is oozed out, and prevents urine from being oozed out from leg both sides, reduces the possibility of side leakage.
For foregoing suitable body leakproof absorbent article, the present invention also provides a kind of manufacturer of suitable body leakproof absorbent article
Method, its step include as follows：
Step 1：By calf circumference elastomer composite on opaque liquid primer, obtain primer structure sheaf the step of.
Step 2：The step of dumbbell shape absorbent cores are compounded in primer structure sheaf.
Step 3：The step of forming leakproof edge base portion, freedom portion and being coated with the pars contractilis of elastomer.
Step 4：The transmission of step 3 simultaneously carries out longitudinally, laterally drawing process.
Step 5：Using each leakproof edge of infrared positioning suitable body connecting portion position and produce engagement tie point the step of.
Step 6：The step of cutting off arc calf circumference excess stock.
Step 7：The process for cutting into monolithic, FOLD AND PACK.
In specific implementation process, in described step (3), leakproof edge is by with certain non-woven cloth resistant to pressure
It is integrally formed, specifically comprises the following steps after folding:
Step S1：By multiple elastomer-bondeds on leakproof edge material, through flange groove and the doubling of flange deflector roll and press
And pars contractilis is formed, then leakproof edge Material cladding is formed into base portion in longitudinal both sides of liquid permeability surface layer.
Step S2：Step S1 liquid permeability surface layer is compounded in the dumbbell shape absorbent cores of the step (2), including will be saturating
Two longitudinal side perimeter bonds of fluidity surface layer are connected on opaque liquid bottom, the intermediate region between two longitudinal sides
It is compounded in dumbbell shape absorbent cores.
In specific implementation process, in described step (1), the opaque liquid bottom resists by counterdie, with certain
The counterdie non-woven cloth of hydraulic pressure is from top to bottom bonded, and the horizontal breadth of counterdie non-woven cloth is more than counterdie transverse direction breadth,
The leakproof edge of step (3) is integrally formed after the counterdie non-woven cloth is folded simultaneously, is specifically included：
In step (1), in addition to the spiral glue spraying on counterdie non-woven cloth, by leakproof edge elastomer composite in counterdie
On non-woven cloth, between the leakproof edge elastomer and the calf circumference elastomer in the lateral width direction at intervals of 5-
10cm, and be in arranged in parallel on length longitudinal direction with calf circumference elastomer, precast body is obtained, in this step, calf circumference elastomer,
Leakproof edge elastomer is spandex thread, and in the enterprising glue spraying, preferably spiral glue spraying of in the ranks breaking of spandex thread.Precast body is passed
It is defeated and after carrying out cross directional stretch, by outer vertical side of the edge of the counterdie non-woven cloth along the leakproof edge elastomer through flange groove
And flange deflector roll carries out flanging and is folded in or out in order, and leakproof edge elastomer is coated with two layers of foldable layer.In step
Suddenly in (1), in addition to absorbent article closed-system is compound, including frontal waist plaster, with the left and right VELCRO of frontal waist plaster collocation and
Elastic waistline is engaged on primer.
In step (3), frictioning processing is carried out in position corresponding to leakproof edge base portion, then by counterdie non-woven cloth edge
The outer vertical side of the edge of the calf circumference elastomer and carry out flanging and to being fitted in after interior folding through flange groove and flange deflector roll
On fluidity surface layer and/or counterdie, the pressing through disk roller acts on the base portion to form leakproof edge, pars contractilis and positioned there between
Freedom portion.
The beneficial effect that the present invention realizes：On the basis of paper diaper dry leakproof is ensured, there is provided a kind of according to baby's
Build ratio, by crotch width direction of the leakproof edge along dumbbell shape absorbent cores to contract, making on the inside of baby leg will not be by
It is more preferable to pressure, personal effect so that the absorbent article of the more suitable body of wearing, more comfortable fittingness after baby wears are living
It is dynamic more convenient, free.Meanwhile the heat seal antiseepage physical efficiency of setting effectively prevents transverse width of the urine along dumbbell shape absorbent cores
Space of the direction between leakproof edge and opaque liquid bottom is oozed out, and prevents urine from being oozed out from leg both sides, reduces side leakage
Possibility.
Brief description of the drawings
Fig. 1 be embodiment 1, embodiment 2, embodiment 3 suitable body leakproof absorbent article structural representation.
Fig. 2 be embodiment 1, embodiment 2 be directed to Fig. 1 A-A cross section structure diagrams.
Fig. 3 is the arcuate break distribution schematic diagram of the suitable body connecting portion of embodiment 3.
Fig. 4 is the continuously distributed schematic diagram of arc of the suitable body connecting portion of embodiment 3.
Fig. 5 is the A-A cross section structure diagrams for Fig. 1 of embodiment 4.
Fig. 6 is the A-A cross section structure diagrams for Fig. 1 of embodiment 5.
Fig. 7 is the structural representation of the suitable body leakproof absorbent article of embodiment 6.
Fig. 8 is the B-B cross section structure diagrams for Fig. 7 of embodiment 6.
Fig. 9 is the structural representation of the heat seal impervious body of embodiment 6.
Figure 10 is the multilayer folding structural representation of the heat seal impervious body of embodiment 6.
Embodiment
In order to make further understanding to invention, term in text is defined as follows：
Term " absorbent article " refers to the article of the excreta (urine, excrement, menses) for absorbing and accommodating people, and category is once
Sex hygiene articles for use, i.e. hygienic articles, which absorb liquid, to be tended to saturation or not to be used after containing the excessive thing such as excrement class, and is entered
The article of garbage reclamation processing system, including baby paper diaper, baby diaper, baby Tuo La trousers, adult diaper, Cheng Renzhi
Diaper etc..
Term " liquid permeability surface layer " refers to hot-melt fiber and is handled by surface hydrophilicity and have excellent permeability to liquid
Non-woven cloth, non-woven cloth is also known as non-woven fabrics, including Through-Air Thermal Bonded Nonwovens, Nonwovens, spun-bonded non-woven, water
Prick nonwoven cloth or needle punched non-woven fabrics, it is the prior art material known to industry those skilled in the art.
Term " opaque liquid bottom " is from top to bottom combined by gas permeation bottom film, counterdie non-woven cloth, counterdie weaving
Cloth includes spun-bonded non-woven, spunbond melt-blowing nonwoven, Nonwovens.Wherein, the type of spunbond melt-blowing nonwoven
Including SMS, SMMS, wherein S represents spunbond structure sheaf, and M represents melt-blown structure sheaf.
Term " dumbbell shape absorbent cores " refers to the horizontal breadth of absorbent cores at the both ends of crotch point along absorbent cores central point
Progressive contraction, forms the curved curve of crotch point or arc broken line and is in symmetrical two crotch longitudinal direction sides border, dumbbell shape
Absorbent cores are in industry also known as figure of eight absorbent cores, including it is traditional by wood pulp cellulose and super absorbent resin homogeneous blend and
Into absorbent cores, and by dust-free paper or bulked paper, built-up including at least upper absorptive core and lower absorptive core overlapping
Two layers of absorptive core and clean paper layer or bulked paper, it is compound by adhesive layer from top to bottom and be connected as a single entity.Wherein, upper absorbent cores
Body and lower absorptive core are using hot blast loft nonwoven cloth as skeletal support material, in the fiber mesh of hot blast loft nonwoven cloth
Between be combined with super absorbent resin.
Gluing combination of the present invention refers to two layers and more than two layers of material using PUR (also known as hot-fusible pressure-sensitive adhesive)
Material passes through hot melt adhesive layer gluing composite joint, wherein, to leakproof edge spandex thread, calf circumference spandex thread using the larger bullet of cohesive force
Property body heat melten gel, and for using the larger knot of cohesive force between liquid permeability surface layer, opaque liquid bottom and dumbbell shape absorbent cores
Structure PUR.Elastomer hot melt glue used, structure PUR are prior art material in the present invention, used in the present invention
Fuse machine is existing equipment known to industry those skilled in the art.The temperature in use for setting PUR is 130 DEG C -160 DEG C
In order to make further understanding to invention, it is explained in conjunction with accompanying drawing.
Embodiment 1
The suitable body leakproof absorbent article 1 of the present embodiment is using dumbbell shape absorbent cores 12, as shown in Figure 1, its horizontal breadth
At the both ends of the position of crotch 7 along the progressive contraction of absorbent cores central point, formed the curved curve in the position of crotch 7 or arc broken line and
In symmetrical two crotch longitudinal direction sides border.
As shown in accompanying drawing 1, Fig. 2, the suitable body leakproof absorbent article 1 described in the present embodiment, including it is liquid permeability surface layer 11, impermeable
Fluidity bottom 10 and the dumbbell shape absorbent cores 12 being placed between the liquid permeability surface layer 11, opaque liquid bottom 10, described
The width both sides of absorbent article 1 are respectively arranged with leakproof edge 3 extendable in the longitudinal direction, and leakproof edge 3 includes left anti-
Edge 3a and right leakproof edge 3b is leaked, wherein, each leakproof edge 3a, 3b with certain non-woven cloth resistant to pressure by folding
After be integrally formed, such as spun-bonded non-woven or spunbond melt-blowing nonwoven, the border of leakproof edge 3a, 3b width longitudinal direction
Flushed beyond the longitudinal boundary of dumbbell shape absorbent cores 12, and with the longitudinal boundary of the opaque liquid bottom 10.
As shown in Figure 2, each leakproof edge includes base portion 31, is connected to the base portion 31 and positioned at the upper end of base portion 31
Freedom portion 32, and be connected to the freedom portion 32 and positioned at the pars contractilis 33 of the upper end of freedom portion 32, set in the pars contractilis 33
Flexible body 34, wherein, base portion 31 and the liquid permeability surface layer 11 or opaque liquid bottom 10 of leakproof edge carry out perimeter bond knot
Close, the elastomer 2 along the distribution of the vertical side of the edge of base portion 31 be coated with the junction to form calf circumference,
Elastomer 2, elastomer 34 can select flat rubber root, spandex thread, and spandex thread is both preferably in the present embodiment, wherein,
Spandex thread in leakproof edge pars contractilis causes leakproof edge 3a, 3b flexible retractility in a longitudinal direction, leakproof every
In the pars contractilis of side, spandex thread includes the fixing end at spandex thread both ends and the elastic force section between two fixing ends, the bullet
The draw ratio of power section is 1.3-2.9, and formed with multiple gauffers 8 in elastic force section, the plurality of gauffer is respectively on more spandex threads
Continuous extension, and the fixing end is fixed on the non-woven fabric material of leakproof edge of pars contractilis.
As shown in Fig. 2 each leakproof edge is also included located at the suitable body connecting portion between the base portion 31 and freedom portion 32
6, the suitable body connecting portion 6 is located at longitudinal both sides of the edge position with the crotch 7 of the dumbbell shape absorbent cores 12, the suitable body connection
Portion 6 is when absorbent article 1 is in nature relaxation stereoscopic-state so that the junction between freedom portion 32 and suitable body connecting portion 6
Widths of leakproof edge 3a, the 3b along dumbbell shape absorbent cores crotch 7 is to after contract, and each leakproof edge is in absorbent article
Width form three-dimensional arc leakproof edge.
In the present embodiment, be additionally included in that existing absorbent article sets is used to absorbent article being fixed on wearer
Closed-system, such as frontal waist plaster 14 and the left and right magic being used cooperatively with frontal waist plaster hook patch 5, and for adjusting absorbent article
Dress the elastic waistline 4 of elasticity and comfortableness, or big-ear elastic waistline.
The three-dimensional arc leakproof edge that the present embodiment is formed causes suitable body leakproof absorbent article 1 (U to be presented using wearing effect
Type state) when so that positioned at the more suitable body of leakproof edge of crotch point, will not pull, rub or fasten user (infant)
Medial thigh skin, wearing it is more comfortable.
Embodiment 2
The present embodiment is on the basis of the obtained suitable body leakproof absorbent article 1 provided with suitable body connecting portion 6 of embodiment 1, such as
Shown in accompanying drawing 1, longitudinal side circle of the suitable body connecting portion 6 along the width of dumbbell shape absorbent cores crotch 7 is symmetrical arranged,
The distance between the suitable body connecting portion 6 and the longitudinal direction side border of crotch 7 are 0-5mm.As shown in Figure 2, the suitable body connecting portion 6
Interruption distance between base portion 31 is 3-20mm.
Embodiment 3
Suitable body connecting portion is made up of at least one tie point being distributed along crotch longitudinal direction side border.Tie point institute shape
Into distribution trajectory include the point distribution that a tie point or two tie points are formed, can also select by two or more tie point
The camber line of formation is continuously distributed, straight line is continuously distributed, kind one of in arcuate break distribution and linear Disjunct distribution.
The tie point can carry out hot pressing pressing, but can also use PUR glue in some embodiments by ultrasonic wave, infrared, heat seal
It is viscous to form.
As shown in Figure 1, the present embodiment is directed in embodiment 1, embodiment 2, the distribution rail of described suitable body connecting portion 6
Mark is continuously distributed by the straight line being distributed along the longitudinal direction side border of crotch 7.
As shown in Figure 3, fit body connecting portion 6b to be made up of three tie points, with certain point between two neighboring tie point
Gauge is sowed discord to break and is distributed on camber line, i.e., will form camber line or arc curve, three companies after these three connection dot sequency lines
The distribution trajectory of contact forms arcuate break distribution.
As shown in Figure 4, the distribution trajectory for fitting body connecting portion 6c is to be connected by the camber line being distributed along the longitudinal direction side border of crotch 7
Continuous distribution.
In addition, the distribution trajectory of suitable body connecting portion can also use linear Disjunct distribution, the linear Disjunct distribution refers to
In two or more tie point, between two neighboring tie point with certain separation distance Disjunct distribution on straight line.
Embodiment 4
In the present embodiment, in addition to the structure of leakproof edge 3 is different from embodiment 1, the other structures of absorbent article 1 with reality
It is identical to apply example 1.
As shown in figure 5, the leakproof edge 3 of the present embodiment is using spunbond melt-blowing nonwoven (SMS or SMMS), each leakproof
Edge 3a, 3b after being folded with certain spunbond melt-blowing nonwoven resistant to pressure by being integrally formed pars contractilis 33, in pars contractilis
Provided with spandex thread, under pars contractilis and the spunbond melt-blowing nonwoven 32a and spunbond melt-blown non-woven of pars contractilis 33 are connected
Cloth 32b is completely overlapped and is bonded freedom portion 32, and spunbond melt-blowing nonwoven 32a is compounded in into liquid permeability surface layer 11, no
Between liquid permeability bottom 10, and spunbond melt-blowing nonwoven 32b is compounded on opaque liquid bottom 10, in the specific of the present embodiment
In embodiment, comprise the following steps：
First, on spunbond melt-blowing nonwoven position pars contractilis 33 region, and by pars contractilis outwards continue from
By portion region.
Secondly, spiral glue spraying is carried out to pars contractilis region, the glue belongs to the special hot-fusible pressure-sensitive adhesive of elastomer, has stronger
Cohesive force, prevent that spandex thread in pars contractilis from producing creep, while to freedom portion region, including spunbond melt-blowing nonwoven 32a,
Spunbond melt-blowing nonwoven 32b interior adhesive surface is coated frictioning, can also use king bolt glue spraying.
Again, draw ratio 1.3-2.9 spandex thread is compounded on pars contractilis region, then by spunbond melt-blowing nonwoven
Along the longitudinal direction doubling of the outer rim positioned at outside spandex thread, coating spandex silk, at the same by spunbond melt-blowing nonwoven 32a,
Spunbond melt-blowing nonwoven 32b is fitted and connected.
Finally, be connected with spunbond melt-blowing nonwoven 32a, 32b of freedom portion and be located at spunbond melt-blowing nonwoven 32a,
Spunbond melt-blowing nonwoven 31a, 31b under 32b is rolled over to relative direction respectively, and spunbond melt-blowing nonwoven 31a is compound
Between liquid permeability surface layer 11 and opaque liquid layer 10, spunbond melt-blowing nonwoven 31b is compounded on opaque liquid bottom 10,
And form floated dumbbell shape absorbent cores 12.In certain embodiments, dumbbell shape absorbs is provided with integument 13 outside 12.
Embodiment 5
In the present embodiment, in addition to the structure of leakproof edge 3 is different from embodiment 1, the other structures of absorbent article 1 with reality
It is identical to apply example 1.
As shown in fig. 6, opaque liquid bottom 10 by counterdie 10a, there is certain counterdie non-woven cloth 10b resistant to pressure by upper
This is bonded under, counterdie 10a includes curtain coating counterdie, preferably gas permeation bottom film, gas permeation bottom film, but the counterdie of the present embodiment is non-
Woven cloths 10b horizontal breadth is more than counterdie 10a transverse direction breadth, and counterdie non-woven cloth 10b is integrally formed described after folding
Each leakproof edge 3a, 3b, including：Counterdie 10a is compounded on counterdie non-woven cloth 10b between two parties, by the counterdie non-woven cloth
Longitudinal boundary of two longitudinal sides of 10b widths along absorbent article 1 or counterdie 10a is respectively turned inwards after folding and saturating
Fluidity surface layer 10 or counterdie 10a it is gluing with reference to and form leakproof edge 3, include leakproof edge 3a, 3b base portion 31, then the bottom
Film non-woven cloth 10b is folded in or out in order bonding and forms stretching for described each leakproof edge 3a, 3b after continuing up extension
Contracting portion 33, spandex thread is provided with pars contractilis 33, and freedom portion is between base portion 31 and pars contractilis 33.
Embodiment 6
As shown in accompanying drawing 7, Fig. 8, the present embodiment on the basis of the suitable body leakproof absorbent article of embodiment 1, prevent by the suitable body
Absorbent article is leaked in addition to being provided with suitable body connecting portion 6d (distribution trajectory is linear Disjunct distribution), is also provided a kind of new
Leakproof barrier structure, the longitudinal direction side border in each inboard width direction of leakproof edge base portion 31 is provided with heat seal impervious body
15, the heat seal impervious body 15 is at least connected as one each leakproof edge with opaque liquid bottom by thermal synthesis layer.
As shown in Figure 9, in the present embodiment, the base portion 31 of each leakproof edge 3, liquid permeability surface layer 11 and liquid-tight
Property the gluing binder course 16 of bottom 10 connect as one, wherein, base portion 31 be single layer structure spunbond melt-blowing nonwoven, Ran Houyan
The longitudinal direction side border for each inboard width direction of leakproof edge base portion 31 sets heat seal impervious body 15, and heat seal impervious body 15 will be every
Base portion 31, liquid permeability surface layer 11 and the opaque liquid bottom 10 of one leakproof edge 3 are connected as one by thermal synthesis layer 17, the heat
Close layer can be by being formed under ultrasonic wave, infrared, Heat seal conditions by disk roller hot pressing, and the temperature of hot pressing is 120 DEG C -170 DEG C.
In certain embodiments, to solve the base portion 31 that is made up of the spunbond melt-blowing nonwoven of single layer structure in roller
In wheel hot pressing due to hot pressing temperature is too high or spunbond melt-blowing nonwoven grammes per square metre is too low and the problem of cause breakage, can will be by
The base portion 31 that the spunbond melt-blowing nonwoven of single layer structure is formed is arranged to be made up of the spunbond melt-blowing nonwoven of sandwich construction
Base portion 31, as shown in Figure 10, the base portion 31 that the spunbond melt-blowing nonwoven of the sandwich construction is formed is meltblown non-knit by spunbond
Make cloth repeatedly to be folded in the correspondence position of heat seal impervious body 15, form sandwich construction, being preferably in the present embodiment will be by spunbond
Melt-blowing nonwoven carries out twice-folded in the correspondence position of heat seal impervious body 15, and the spinning of three-decker is formed in heat seal impervious body 15
Viscous melt-blowing nonwoven, after disk roller hot pressing between the spunbond melt-blowing nonwoven of three-decker and spunbond melt-blown is non-knits
Formation bond vitrified point, bond vitrified point between cloth, liquid permeability surface layer 11 and opaque liquid bottom 10 is made to collect to form heat seal
Layer 17.
The present embodiment leakproof edge base portion set heat seal impervious body 15, thickness of the heat seal impervious body 15 in absorbent article
Direction is spent from top to bottom by each leakproof edge and opaque liquid bottom or each leakproof edge, liquid permeability surface layer and opaque liquid
Bottom hot pressing connects.In certain embodiments, longitudinal direction of two longitudinal sides of liquid permeability surface layer along dumbbell shape absorbent cores
Lateral edges are to being compounded between dumbbell shape absorbent cores and opaque liquid bottom after interior folding, and now heat seal impervious body 15 is made absorbing
The thickness direction of product is from top to bottom by each leakproof edge and opaque liquid bottom hot pressing connects.By leakproof edge, opaque liquid
Bottom or leakproof edge, liquid permeability surface layer and opaque liquid bottom.And in other embodiments, liquid permeability surface layer
Intermediate region is compounded in dumbbell shape absorbent cores, and two longitudinal side abduction rear perimeter edges of liquid permeability surface layer are glued at opaque liquid bottom
On layer, now heat seal impervious body 15 absorbent article thickness direction from top to bottom by each leakproof edge, liquid permeability surface layer and
Opaque liquid bottom hot pressing connects.Various floral designs also can be set on the top layer of heat seal impervious body 15.
The effect of heat seal impervious body 15 is to be based on absorbent article during liquid is absorbed due to malabsorption, causes urine
Laterally oozed out by the space between leakproof edge and opaque liquid bottom, and then urine is oozed out from leg both sides, is caused serious
Leakage problems, the use meaning of absorbent article is lost, to find out its cause, this is urine touches Super Absorbent Polymer Particles once flowing
Surface, i.e., stored by Super Absorbent Polymer Particles, meanwhile, Super Absorbent Polymer Particles will expand after absorbing urine, after expansion
The tacky phenomenon of high hydroscopic resin colloid colloid surface, easily there is colloid choking phenomenon, it is difficult to ooze to cause follow-up urine
Come through being spread apart again in absorbent cores such as ordinary straight stripe shape absorbent cores, dumbbell shape absorbent cores, so that transverse direction of the urine along absorbent cores
Space of the width between leakproof edge and opaque liquid bottom is oozed out.Heat seal impervious body 15 can effectively prevent urine along
Space between leakproof edge and opaque liquid bottom to both sides horizontal proliferation, ooze out, prevent urine from being oozed out from leg both sides, subtract
The possibility of few side leakage, effectively solves the problems, such as that prior art is present.
Embodiment 7
The present embodiment provides a kind of manufacture method of suitable body leakproof absorbent article, wherein, calf circumference elastomer, leakproof edge bullet
Property body uses spandex thread；Liquid permeability surface layer uses Through-Air Thermal Bonded Nonwovens, opaque liquid bottom " by counterdie, counterdie non-woven cloth
From top to bottom it is combined, wherein, counterdie selection gas permeation bottom film, counterdie non-woven cloth optional structure is SS spunbonded nonwoven
Cloth, structure are SMMS or SMMMS spunbond melt-blowing nonwoven；Leakproof edge uses spunbond melt-blown non-woven of the structure for SMMS
Cloth, its step include as follows：
Step 1：Calf circumference spandex thread is compounded on opaque liquid primer, obtain primer structure sheaf the step of.
Step 2：The step of dumbbell shape absorbent cores are compounded in primer structure sheaf.
Step 3：The step of forming leakproof edge base portion, freedom portion and being coated with the pars contractilis of elastomer.
Step 4：The transmission of step 3 simultaneously carries out longitudinally, laterally drawing process.
Step 5：Using each leakproof edge of infrared positioning suitable body connecting portion position and produce tie point engagement step
Suddenly.
Step 6：The step of cutting off arc calf circumference excess stock.
Step 7：The process for cutting into monolithic, FOLD AND PACK.
In some embodiments, the leakproof edge in described step (three) is folded by spunbond melt-blowing nonwoven
After be integrally formed, specifically comprise the following steps:
Step S1：First longitudinally it is interrupted glue spraying, glue spraying position correspondence on the spunbond melt-blown non-woven cloth material of leakproof edge
In longitudinal both ends relevant position of absorbent article；By spandex thread to be arranged laterally at a spacing under draw ratio 1.3-2.9 extended states
On leakproof edge material, leakproof edge material is folded using the longitudinal direction of flange groove and flange deflector roll along outer layer spandex thread, will
Spandex thread is coated between two layers of leakproof edge material, and multiple spandex threads are incorporated in the spunbond melt-blowing nonwoven of leakproof edge
On, and press and form pars contractilis, then by spunbond be meltblown it is non-knit doubling make cloth be compounded in liquid permeability surface layer longitudinal both sides and shape
Into base portion, and form the freedom portion of leakproof edge.
Step S2：Step S1 liquid permeability surface layer is compounded in the dumbbell shape absorbent cores of the step (2), including will
Two longitudinal side perimeter bonds of liquid permeability surface layer are connected on opaque liquid bottom, the middle area between two longitudinal sides
Domain is compounded in dumbbell shape absorbent cores.
In other embodiments, the leakproof edge of the step (3) as counterdie non-woven cloth by using
Spunbond melt-blowing nonwoven is integrally formed after folding, wherein use as counterdie non-woven cloth spunbond melt-blowing nonwoven when tie
Structure is SMMS spunbond melt-blowing nonwoven, and opaque liquid bottom is bonded by gas permeation bottom film, spunbond melt-blowing nonwoven.
In described step (one), the horizontal breadth of spunbond melt-blowing nonwoven is more than gas permeation bottom film transverse direction breadth, together
When, it is additionally included in spunbond melt-blowing nonwoven and carries out interruption glue spraying, preferably spiral glue spraying, and leakproof edge spandex thread is compounded in
On spunbond melt-blowing nonwoven, the interval between the leakproof edge spandex thread and the calf circumference spandex thread in the lateral width direction
For 5-10 cm, and it is in arranged in parallel on length longitudinal direction with calf circumference spandex thread, obtains precast body.
After being transmitted by precast body on spandex thread and carry out cross directional stretch, by spunbond melt-blowing nonwoven along described
The outer vertical side of the edge of leakproof edge spandex thread carries out flanging through flange groove and flange deflector roll and is folded in or out in order, at two layers
Foldable layer in be coated with leakproof edge spandex thread.
In step (3), frictioning processing is carried out in position corresponding to leakproof edge base portion, spunbond is then meltblown non-knit
Make outer vertical side of the edge of the cloth along the calf circumference spandex thread and carry out flanging and to pasting after interior folding through flange groove and flange deflector roll
Close on liquid permeability surface layer and/or gas permeation bottom film, the pressing through disk roller acts on the base portion to form leakproof edge, pars contractilis and is located at
Therebetween freedom portion.
In some preferred embodiments, each leakproof edge is by with certain spunbond melt-blown non-woven resistant to pressure
Cloth is integrally formed pars contractilis after folding, and spandex thread is provided with pars contractilis, under pars contractilis and connects the first of pars contractilis
Spunbond melt-blowing nonwoven and the second spunbond melt-blowing nonwoven are completely overlapped and be bonded freedom portion, and the first spunbond is melted
Blowing nonwoven is compounded between liquid permeability surface layer, opaque liquid bottom, and the second spunbond melt-blowing nonwoven is compounded in liquid-tight
On property bottom.
In step (5), using pressure-sensitive hot melt adhesive machine in the top layer of the liquid permeability surface layer of suitable body connecting portion position or leakproof
Edge endosexine carries out point-like applying glue, and then use is arranged on disk roller and the convex portion corresponding with suitable body connecting portion position is to suitable
Body connecting portion carries out pressing processing, to form the tie point.Liquid permeability surface layer or leakproof are connected except being glued by point-like
Outside edge, ultrasonic bonding connection can also be used, or using one's own profession other interconnection techniques commonly used in the trade.
In addition, it is also compound including absorbent article closed-system, including frontal waist plaster, the left and right VELCRO with frontal waist plaster collocation
And elastic waistline is engaged on primer.
Although the present invention describes specific case study on implementation, the scope of the present invention is not limited to above-mentioned specific real
Example is applied, without departing from the case in the spirit of the invention, various modifications, variations and alternatives to the present invention each fall within the guarantor of the present invention
Protect scope.
Claims (10)
1. a kind of suitable body leakproof absorbent article, including liquid permeability surface layer, opaque liquid bottom and be placed in the liquid permeability surface layer,
Dumbbell shape absorbent cores between opaque liquid bottom, it is respectively arranged with the width both sides of the absorbent article along longitudinal side
Left leakproof edge and right leakproof edge to extension, each leakproof edge include base portion, are connected to the base portion and are located at base portion
The freedom portion of upper end, and be connected to the freedom portion and positioned at the pars contractilis of freedom portion upper end, bullet is provided with the pars contractilis
Property body so that leakproof edge flexible retractility in a longitudinal direction, it is characterised in that：Each leakproof edge also includes suitable body
Connecting portion, the suitable body connecting portion is located at longitudinal both sides of the edge position with the dumbbell shape absorbent cores crotch, the suitable body connection
Portion absorbent article in nature relaxation stereoscopic-state when so that between freedom portion and suitable body connecting portion the leakproof of junction every
Edge the width of dumbbell shape absorbent cores crotch to after contract, width shape of each leakproof edge in absorbent article
Into three-dimensional arc leakproof edge.
2. suitable body leakproof absorbent article according to claim 1, it is characterised in that：The suitable body connecting portion is located at the base
Between portion and freedom portion, it is symmetrical arranged along longitudinal side circle in dumbbell shape absorbent cores crotch width direction, the suitable body connection
The distance between portion and crotch longitudinal direction side border are 0-5mm, and the interruption distance between the suitable body connecting portion and base portion is 3-
20mm。
3. suitable body leakproof absorbent article according to claim 1 or 2, it is characterised in that：The suitable body of each leakproof edge connects
Socket part is made up of at least one tie point being distributed along crotch longitudinal direction side border, and the tie point is by ultrasonic wave, infrared, heat seal pressure
Conjunction is formed or formed through glue bond.
4. suitable body leakproof absorbent article according to claim 3, it is characterised in that：The distribution rail that the tie point is formed
Mark includes the point distribution that a tie point or two tie points are formed, or the camber line formed by two or more tie point continuously divides
Cloth, straight line are continuously distributed, arcuate break distribution and linear Disjunct distribution in one of kind.
5. suitable body leakproof absorbent article according to claim 1, it is characterised in that：On the inside of along each leakproof edge base portion
The longitudinal direction side border of width is provided with heat seal impervious body, the heat seal impervious body absorbent article thickness direction by up to
It is lower to connect each leakproof edge and opaque liquid bottom or each leakproof edge, liquid permeability surface layer and opaque liquid bottom hot pressing
Connect.
6. suitable body leakproof absorbent article according to claim 1, it is characterised in that：The opaque liquid bottom by counterdie,
From top to bottom it is bonded with certain counterdie non-woven cloth resistant to pressure, and the horizontal breadth of counterdie non-woven cloth is more than counterdie
Horizontal breadth, the counterdie non-woven cloth are integrally formed described each leakproof edge after folding, including non-woven by the counterdie
Longitudinal boundary of the cloth along absorbent article to after interior folding with surface layer or counterdie it is gluing with reference to and form the base portion of leakproof edge, so
The counterdie non-woven cloth is folded in or out in order bonding after continuing up extension and forms the flexible of each leakproof edge afterwards
Portion.
7. suitable body leakproof absorbent article according to claim 1, it is characterised in that：Each leakproof edge is by with certain anti-
The spunbond melt-blowing nonwoven of hydraulic pressure is integrally formed pars contractilis after folding, and elastomer is provided with pars contractilis, positioned at pars contractilis it
Descend and connect pars contractilis the first spunbond melt-blowing nonwoven and the second spunbond melt-blowing nonwoven it is completely overlapped and be bonded
Freedom portion, and the first spunbond melt-blowing nonwoven is compounded between liquid permeability surface layer, opaque liquid bottom, the melt-blown of the second spunbond
Non-woven cloth is compounded on opaque liquid bottom.
8. a kind of method for preparing suitable body leakproof absorbent article as claimed in claim 1, comprises the following steps：
1) by calf circumference elastomer composite on opaque liquid primer, obtain primer structure sheaf the step of；
2) the step of dumbbell shape absorbent cores being compounded in primer structure sheaf；
3) the step of forming leakproof edge base portion, freedom portion and being coated with the pars contractilis of elastomer；
4) transmission of step 3 and longitudinally, laterally drawing process is carried out；
5) the step of using the suitable body connecting portion position of each leakproof edge of infrared positioning and producing tie point engagement；
6) the step of cutting off arc calf circumference excess stock；
7) process for cutting into monolithic, FOLD AND PACK.
9. the method according to claim 8 for preparing suitable body leakproof absorbent article, it is characterised in that：In step 3, leakproof
Edge after being folded with certain non-woven cloth resistant to pressure by being integrally formed, including step:
Step S1：By multiple elastomer-bondeds on leakproof edge material, through flange groove and the doubling of flange deflector roll and press and shape
Into pars contractilis, then by leakproof edge Material cladding base portion is formed in longitudinal both sides of liquid permeability surface layer；
Step S2：Step S1 liquid permeability surface layer is compounded in the dumbbell shape absorbent cores of the step 2, including by liquid permeability face
Two longitudinal sides of layer are glued on opaque liquid bottom, and the intermediate region between two longitudinal sides is compounded in dumbbell shape suction
Receive on core.
10. the method according to claim 8 for preparing suitable body leakproof absorbent article, it is characterised in that：In step 3, prevent
Leak after edge is folded by counterdie non-woven cloth and be integrally formed, specifically include：
In step 1, the opaque liquid bottom from top to bottom bonds by counterdie, with certain counterdie non-woven cloth resistant to pressure
Form, and the horizontal breadth of counterdie non-woven cloth is more than counterdie transverse direction breadth, in addition to by leakproof edge elastomer spiral glue spraying
Be compounded on counterdie non-woven cloth, between the leakproof edge elastomer and the calf circumference elastomer in the lateral width direction between
5-10cm is divided into, and is in arranged in parallel on length longitudinal direction with calf circumference elastomer, obtains precast body；
After being transmitted by precast body and carry out cross directional stretch, by counterdie non-woven cloth along the outer of the leakproof edge elastomer
Vertical side of the edge carries out flanging through flange groove and flange deflector roll and is folded in or out in order, and is coated with two layers of foldable layer anti-
Leak edge elastomer；
In step 3, frictioning processing is carried out in position corresponding to leakproof edge base portion, then by counterdie non-woven cloth along described
The outer vertical side of the edge of calf circumference elastomer carries out flanging and to being fitted in liquid permeability face after interior folding through flange groove and flange deflector roll
On layer and/or counterdie, the pressing through disk roller acts on the base portion to form leakproof edge, pars contractilis and freedom positioned there between
Portion.
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| CN109984889A (en) * | 2017-12-30 | 2019-07-09 | 福建恒安集团有限公司 | A kind of disposable adsorption object and preparation method thereof |
| CN110403768A (en) * | 2019-08-19 | 2019-11-05 | 福建安琪儿卫生用品有限公司 | A method of preparing the disposable absorbent article of multiple lateral leakage protection three-dimensional shield |
| CN110403769A (en) * | 2019-08-19 | 2019-11-05 | 福建安琪儿卫生用品有限公司 | A kind of disposable absorbent article equipped with multiple lateral leakage protection three-dimensional shield |
| CN111150553A (en) * | 2020-01-14 | 2020-05-15 | 百润(中国)有限公司 | Absorbent product with body fitting arc-shaped narrow crotch part and preparation method thereof |
| CN114432041A (en) * | 2022-02-07 | 2022-05-06 | 杨晓龙 | Paper diaper and production processing method thereof |
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| CN114432041A (en) * | 2022-02-07 | 2022-05-06 | 杨晓龙 | Paper diaper and production processing method thereof |
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| CN107361924B (en) | 2021-01-01 |
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Denomination of invention: Leak proof edge fitting connecting part and preparation method for preventing pressure on the inner side of the legs Effective date of registration: 20231009 Granted publication date: 20210101 Pledgee: Industrial Bank Limited by Share Ltd. Huian branch Pledgor: BARON (CHINA) Co.,Ltd. Registration number: Y2023980060309 |
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