CN109223323A - A kind of bumps absorptive core and preparation method thereof - Google Patents
A kind of bumps absorptive core and preparation method thereof Download PDFInfo
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- CN109223323A CN109223323A CN201811346228.0A CN201811346228A CN109223323A CN 109223323 A CN109223323 A CN 109223323A CN 201811346228 A CN201811346228 A CN 201811346228A CN 109223323 A CN109223323 A CN 109223323A
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- hollow
- hollow protrusion
- sap
- point
- base fabric
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Classifications
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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
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
-
- 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
- A61F13/15617—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
- A61F2013/15463—Absorbency
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- 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
- A61F2013/15869—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding with ultrasonic energy
-
- 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
- A61F2013/15878—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding by thermal 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
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
- A61F2013/530708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the absorbency properties
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The present invention relates to hygiene article sectors, a kind of concave-convex absorptive core and preparation method thereof is provided, including base fabric, top layer hydrophilic nonwoven fabrics and SAP particle between the two, the top layer hydrophilic nonwoven fabrics have the hollow protrusion of equally distributed array, it connects to form cavity in a manner of Weak link point between the hollow protrusion and base fabric, the SAP particle is a plurality of, and it is not connected between each other, the SAP particle and the hollow protrusion are located in its cavity correspondingly, the bonding force of the Weak link point is less than the SAP particle and absorbs the expansive force after liquid, neutral gear between each hollow protrusion forms diversion trench, applied to sanitary napkin, the hygiene article sectors such as paper diaper, olistostrome easily occurs before solving existing absorptive core polymer material layer imbibition, use the big defect of hot melt glue amount.
Description
Technical field
The present invention relates to hygiene article sectors more particularly to a kind of concave-convex absorptive core and preparation method thereof.
Background technique
The absorptive core for the amenities being currently known can substantially be divided to two kinds.One is compound core bodies, generally by outermost two
Layer dust-free paper, middle layer non-woven fabrics and two layers of SAP (hydroscopic high-molecular resin) composition；Another kind is cotton core body, by dust-free paper or
Hydrophilic cloth package Time of Fluff Slurry and SAP are formed.Other than above-mentioned common structure, also there is part of the manufacturer to do on absorbent structure subtle
Adjustment, add one layer of wood pulp again such as in structure, and on cotton core body use emery wheel pattern pressing type.
Above-mentioned core be after absorption of liquid it is planar, it is big with skin contact area, and the SAP amount that can be added has
Limit, add a large amount of SAP be easy to cause SAP slide and with obvious granular sensation, after imbibition will occur core layering with sliding heap
Product needs the usage amount by increasing hot melt adhesive when adding a large amount of SAP, otherwise a large amount of SAP is easy movement, causes to be unevenly distributed
It is even, and hot melt adhesive will excessively cause infiltration rate to be decreased obviously with gas permeability, and feel is stiff, environment-friendly type is poor.
Summary of the invention
Therefore, for the above content, the present invention provides a kind of concave-convex absorptive core and preparation method thereof, solves existing suction
Olistostrome easily occurs before receiving the imbibition of core polymer material layer, uses the big defect of hot melt glue amount.
In order to achieve the above objectives, the present invention is achieved by the following technical solutions:
A kind of bumps absorptive core, including base fabric, top layer hydrophilic nonwoven fabrics and SAP particle between the two, the top
Layer hydrophilic nonwoven fabrics have the hollow protrusion of equally distributed array, with Weak link point between the hollow protrusion and base fabric
Mode connects to form cavity, the SAP particle be it is a plurality of, and be not connected between each other, the SAP particle with it is described hollow convex
It rises and is located in its cavity correspondingly, the bonding force of the Weak link point is less than the SAP particle and absorbs the expansion after liquid
Power, it is each it is hollow protrusion between neutral gear formed diversion trench.
A further improvement is that: a plurality of strong bonding points are additionally provided between the base fabric, top layer hydrophilic nonwoven fabrics, it is described
Two hollow protrusions are included at least between strong bonding point, the bonding force of the strong bonding point is greater than the SAP particle and absorbs liquid
Expansive force afterwards.
A further improvement is that: the hollow raised base diameter is 2-5 millimeters, and the Weak link point quantity is uniform minute
4 to 6 points of the cloth in raised brim.
A further improvement is that: the hollow protrusion is longitudinally formed plural parallel lines, and around each hollow protrusion
All uniform ring is around 5 hollow protrusions of distribution.
A further improvement is that: the other side of the base fabric be also equipped with the mutually isostructural top layer hydrophilic nonwoven fabrics and
SAP particle.
A kind of preparation method of bumps absorptive core, comprising the following steps:
(1) hydrophilic nonwoven fabrics are extruded the hollow protrusion of array using 3D emebosser by top layer hydrophilic nonwoven molding with cloth,
The neutral gear between each hollow protrusion forms diversion trench simultaneously；
(2) filling SAP adjusts the direction of top layer hydrophilic nonwoven fabrics after molding, and the opening for making hollow protrusion upward, is adopted
It is with point-to-point canning means that SAP is filling into the hollow protrusion, or by SAP sprays materials in hollow bump openings one
Then side is struck off using wiper, remain in SAP material only in hollow protrusion；
(3) semi-finished product upper surface obtained by base fabric and step (2) is passed through thermosol by compound base fabric and top layer hydrophilic nonwoven fabrics
Or the bonding of ultrasonic wave point, the bonding force of the point bonding are less than the SAP material and absorb the expansive force after liquid, finished product.
A further improvement is that: also pass through thermosol or ultrasonic wave point sticky between the base fabric, top layer hydrophilic nonwoven fabrics
Conjunction is provided with a plurality of strong bonding points, and two hollow protrusions are included at least between the strong bonding point, and the strong bonding point glues
Resultant force is greater than the SAP particle and absorbs the expansive force after liquid.
A further improvement is that: the hollow raised base diameter is 2-5 millimeters, the point of each hollow protrusion and base fabric
It is connected as being evenly distributed on 4 to 6 points of raised brim.
A further improvement is that: the hollow protrusion is longitudinally formed plural parallel lines, and around each hollow protrusion
All uniform ring is around 5 hollow protrusions of distribution.
A further improvement is that: in the other side of the base fabric half obtained by the same method composite steps (2) of step (3)
Finished product.
By using preceding solution, the beneficial effects of the present invention are:
1, the configuration of the present invention is simple, production method is simple, and cost can be effectively reduced, improve production efficiency；By pushing up
Hollow protrusion is set on layer hydrophilic nonwoven fabrics, playing the role of storage SAP material can be to suction in conjunction with surrounding tie point
SAP before liquid expansion plays fixed function, prevents its olistostrome, and the bonding force by the way that the Weak link point is arranged is less than institute
It states SAP and absorbs the expansive force after liquid, expansion struts tie point after SAP can be made to absorb liquid, make absorptive core expansion uniformly,
In addition connection is put between top layer hydrophilic nonwoven fabrics and base fabric, the hot melt adhesive used is fewer, and the feel of entire absorptive core is preferable,
Also more environmentally friendly health.
2, the strong bonding point of setting is further improved because there is sufficiently strong cohesive force, will not be strutted by SAP, imbibition is expanded
SAP afterwards plays position-limiting action, and SAP is layered after preventing expansion and olistostrome.
3, the hollow raised base diameter for being further improved setting is 2-5 millimeters, each hollow protrusion and base fabric
Point be connected as being evenly distributed on 4 to 6 points of raised brim, belong to the raised size and connection points of optimization, diameter is too small
The amount for then storing SAP is too small, and absorbency does not reach requirement, and the too big then water imbibition of diameter is beyond equal after needs and absorptive core expansion
Evenness is not easy to control, and edge setting 4 or 5 and tie point, is enough to play fixed SAP material effects, too many cost of idleness, very little
Optimum state is not achieved in fixed effect.
4, the hollow protrusion for being further improved setting is longitudinally formed plural parallel lines, and each hollow protrusion week
Enclose all that uniform ring is around 5 hollow protrusions of distribution, groove can form unobstructed diversion trench between the array of protrusions of formation, be conducive to
Air flowing before imbibition expands when skin contact, the flowing of liquid makes uniform absorption when being also beneficial to absorb liquid, reduces skin
Contact of the skin with liquid.
5, the other side for being further improved the base fabric of setting is also equipped with the mutually isostructural top layer hydrophilic nonwoven
Cloth and SAP particle, can make absorptive core absorbent properties more powerful, two-sided can use.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of the embodiment of the present invention；
Fig. 2 is the salient point and tie point schematic diagram of the embodiment of the present invention；
Fig. 3 is the photo before imbibition of the embodiment of the present invention；
Fig. 4 is the photo after imbibition of the embodiment of the present invention.
Specific embodiment
Carry out the embodiment that the present invention will be described in detail below with reference to specific embodiment, how skill is applied to the present invention whereby
Art means solve technical problem, and the realization process for reaching technical effect can fully understand and implement.
Unless otherwise specified, the conventional hand that technological means employed in embodiment is well known to those skilled in the art
Section, used reagent and product are also available commercial.The source of agents useful for same, trade name and it is necessary to list it
Constituent person is indicated on the first occurrence.
Embodiment
Referring to figs. 1 to Fig. 4, a kind of bumps absorptive core, including base fabric 1, top layer hydrophilic nonwoven fabrics 2 and between the two
SAP particle 3, the top layer hydrophilic nonwoven fabrics 2 have equally distributed array hollow raised 21, described hollow raised 21 with
It connects to form cavity in a manner of Weak link point 22 between base fabric 1, hollow raised 21 diameter is 3 millimeters, the Weak link
Point 22 quantity be 6, be evenly distributed on around described hollow raised 21, the SAP particle 3 be it is a plurality of, and mutually it
Between be not connected to, the SAP particle 3 and described hollow raised 21 is located in its cavity correspondingly, the Weak link point it is viscous
Resultant force is less than the SAP particle and absorbs the expansive force after liquid；The hollow protrusion is longitudinally formed plural parallel lines, and every
All neutral gear of the uniform ring between 5 hollow protrusions of distribution, each hollow raised 21 form diversion trench 5 around a hollow protrusion.
In the present embodiment, a plurality of strong bonding points 4 are additionally provided between the base fabric 1, top layer hydrophilic nonwoven fabrics 2, it is described
It include 15 hollow raised 21 between strong bonding point 4, the bonding force of the strong bonding point 4 is greater than the SAP particle absorbing liquid
Expansive force after body.Photo part Fig. 4 after product to be absorbed to liquid.
In the present embodiment, in the present embodiment, the other side of the base fabric is also provided with the mutually isostructural top layer
Hydrophilic nonwoven fabrics and SAP particle.
A kind of preparation method of bumps absorptive core, comprising the following steps:
(1) top layer hydrophilic nonwoven fabrics 2 are extruded the hollow of array using 3D emebosser by top layer hydrophilic nonwoven molding with cloth
Protrusion 21, while the neutral gear between each hollow raised 21 forms diversion trench 5；It is flat that the hollow protrusion is longitudinally formed plural item
Row straight line, and each hollow protrusion surrounding uniform ring is around 5 hollow protrusions of distribution；
(2) filling SAP adjusts the direction of top layer hydrophilic nonwoven fabrics 2 after molding, makes hollow raised 21 opening court
On, it is using point-to-point canning means that SAP is filling into the hollow protrusion, or SAP sprays materials are opened in hollow protrusion
Mouth side, is then struck off using wiper, is remained in SAP material only in hollow protrusion, is formed SAP particle 3, the hollow protrusion
21 base diameters are 3 millimeters；
(3) semi-finished product upper surface obtained by base fabric 1 and step (2) is passed through heat by compound base fabric 1 and top layer hydrophilic nonwoven fabrics 2
Colloidal sol or ultrasonic wave point bond to form Weak link point 22, and the bonding force of the Weak link point 22 is less than the SAP material absorbing liquid
Expansive force after body, 22 quantity of Weak link point are 6, are evenly distributed on around hollow raised 21, in diversion trench 5, make
Obtain finished product.
In addition: the present invention can also do improvement below: also pass through heat between the base fabric 1, top layer hydrophilic nonwoven fabrics 2
Colloidal sol or the bonding of ultrasonic wave point are provided with a plurality of strong bonding points 4, and distance includes 15 hollow convex between the strong bonding point 4
21 are played, the bonding force of the strong bonding point 4 is greater than the SAP particle 3 and absorbs the expansive force after liquid.
It can also be in the other side of the base fabric 1 semi-finished product obtained by the same method composite steps (2) of step (3).
In the present invention, a plurality of strong bonding points, the strong bonding are additionally provided between the base fabric, top layer hydrophilic nonwoven fabrics
The distance of two hollow protrusions is included at least between point；The hollow raised preferred diameter in bottom is 2-5 millimeters, or its
His numerical value actually required, the Weak link point quantity are preferably 4 to 6 points for being evenly distributed on raised brim, are also possible to
Other quantity；The hollow array of protrusions mode be also possible to other modes and be not limited to the embodiment in pattern.
The foregoing descriptions are merely the embodiment using this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the patents of this creation opinion, and is not limited to those disclosed embodiments.
Claims (10)
1. a kind of bumps absorptive core, including base fabric, top layer hydrophilic nonwoven fabrics and SAP particle between the two, feature exists
There is the hollow protrusion of equally distributed array in: top layer hydrophilic nonwoven fabrics, between the hollow protrusion and base fabric with
The mode of Weak link point connects to form cavity, the SAP particle be it is a plurality of, and be not connected between each other, the SAP particle and
The hollow protrusion is located in its cavity correspondingly, and the bonding force of the Weak link point is less than the SAP particle absorbing liquid
Expansive force after body, it is each it is hollow protrusion between neutral gear formed diversion trench.
2. a kind of concave-convex absorptive core according to claim 1, it is characterised in that: the base fabric, top layer hydrophilic nonwoven fabrics
Between be additionally provided with a plurality of strong bonding points, two hollow protrusions, the strong bonding point are included at least between the strong bonding point
Bonding force be greater than the SAP particle absorb liquid after expansive force.
3. a kind of concave-convex absorptive core according to claim 1 or 2, it is characterised in that: the hollow raised base diameter
It is 2-5 millimeters, the Weak link point quantity is 4 to 6 points for being evenly distributed on raised brim.
4. a kind of concave-convex absorptive core according to claim 3, it is characterised in that: the hollow protrusion is longitudinally formed plural number
Parallel lines, and around each hollow protrusion uniform ring around 5 hollow protrusions of distribution.
5. a kind of concave-convex absorptive core according to claim 4, it is characterised in that: the other side of the base fabric is also equipped with
The mutually isostructural top layer hydrophilic nonwoven fabrics and SAP particle.
6. a kind of preparation method of bumps absorptive core, it is characterised in that: the following steps are included:
(1) top layer hydrophilic nonwoven molding with cloth: hydrophilic nonwoven fabrics are extruded to the hollow protrusion of array using 3D emebosser, simultaneously
Neutral gear between each hollow protrusion forms diversion trench；
(2) filling SAP: adjusting the direction of top layer hydrophilic nonwoven fabrics after molding, makes the opening of hollow protrusion upward, using point
It is to canning means that SAP is filling into the hollow protrusion, or by SAP sprays materials in hollow bump openings side, so
It is struck off afterwards using wiper, remains in SAP material only in hollow protrusion；
(3) compound base fabric and top layer hydrophilic nonwoven fabrics by thermosol or surpass semi-finished product upper surface obtained by base fabric and step (2)
Sonic point bonding, the bonding force of the point bonding are less than the SAP material and absorb the expansive force after liquid, finished product.
7. a kind of preparation method of concave-convex absorptive core according to claim 6, it is characterised in that: the base fabric, top layer
It is also bonded by thermosol or ultrasonic wave point between hydrophilic nonwoven fabrics and is provided with a plurality of strong bonding points, between the strong bonding point
Including at least two hollow protrusions, the bonding force of the strong bonding point is greater than the SAP particle and absorbs the expansive force after liquid.
8. a kind of preparation method of concave-convex absorptive core according to claim 6 or 7, it is characterised in that: described hollow convex
Playing base diameter is 2-5 millimeters, and the point of each hollow protrusion and base fabric is connected as 4 to 6 that are evenly distributed on raised brim
Point.
9. a kind of preparation method of concave-convex absorptive core according to claim 8, it is characterised in that: the hollow protrusion is vertical
To the plural parallel lines of formation, and each hollow protrusion surrounding uniform ring is around 5 hollow protrusions of distribution.
10. a kind of preparation method of concave-convex absorptive core according to claim 9, it is characterised in that: in the base fabric
Other side semi-finished product obtained by the same method composite steps (2) of step (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811346228.0A CN109223323A (en) | 2018-11-13 | 2018-11-13 | A kind of bumps absorptive core and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811346228.0A CN109223323A (en) | 2018-11-13 | 2018-11-13 | A kind of bumps absorptive core and preparation method thereof |
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| CN109223323A true CN109223323A (en) | 2019-01-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109820647A (en) * | 2019-02-28 | 2019-05-31 | 泉州市泰迪新材料科技有限公司 | A kind of absorptive core molding machine |
| CN114206288A (en) * | 2019-09-27 | 2022-03-18 | 大王制纸株式会社 | Absorbent article |
| CN116019638A (en) * | 2023-01-31 | 2023-04-28 | 露乐健康科技股份有限公司 | Traceless zero-inductance paper diaper with multi-dimensional global ventilation function and preparation method thereof |
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Application publication date: 20190118 |