CN108720999A - Paper diaper absorptive core and preparation method thereof - Google Patents
Paper diaper absorptive core and preparation method thereof Download PDFInfo
- Publication number
- CN108720999A CN108720999A CN201710270560.2A CN201710270560A CN108720999A CN 108720999 A CN108720999 A CN 108720999A CN 201710270560 A CN201710270560 A CN 201710270560A CN 108720999 A CN108720999 A CN 108720999A
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- China
- Prior art keywords
- layer
- absorber
- paper diaper
- absorber layers
- absorptive core
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000010410 layer Substances 0.000 claims abstract description 191
- 239000006096 absorbing agent Substances 0.000 claims abstract description 137
- 229920002521 macromolecule Polymers 0.000 claims abstract description 25
- 239000002344 surface layer Substances 0.000 claims abstract description 15
- 210000002615 epidermis Anatomy 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims description 55
- 229920000642 polymer Polymers 0.000 claims description 48
- 229920000742 Cotton Polymers 0.000 claims description 42
- 238000005096 rolling process Methods 0.000 claims description 9
- 239000004831 Hot glue Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000002745 absorbent Effects 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 abstract description 6
- 210000002700 urine Anatomy 0.000 abstract description 6
- 230000035755 proliferation Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 4
- 229920004933 Terylene® Polymers 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002052 molecular layer Substances 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 230000001007 puffing effect Effects 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
- A61F13/45—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
-
- 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
- A61F13/535—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 inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
-
- 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
- A61F13/537—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F13/53708—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
-
- 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
- A61F2013/49068—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterized by the shape of the outline
- A61F2013/49076—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterized by the shape of the outline as "I"-shaped
-
- 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
- A61F13/537—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F2013/53765—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterized by its geometry
-
- 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
- A61F13/537—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F2013/53765—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterized by its geometry
- A61F2013/53769—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterized by its geometry with the wicking layer not contacting the absorbent core
- A61F2013/53773—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 characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterized by its geometry with the wicking layer not contacting the absorbent core with a deformable spacing structure
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 a kind of paper diaper absorptive cores, include successively from inside to outside：Upper epidermis, upper layer macromolecule layer, upper layer loft layer, lower layer's loft layer, lower layer's macromolecule layer and bottom surface layer, the upper epidermis, upper layer macromolecule layer and upper layer loft layer form absorber layers, lower layer's loft layer, lower layer's macromolecule layer and bottom surface layer form lower absorber layers, the upper and lower absorber layers are longitudinally formed multiple absorber items respectively, and the quantity of absorber item is different from the quantity of absorber item in the lower absorber layers in the upper absorber layers.The invention further relates to the preparation methods of above-mentioned paper diaper absorptive core, according to paper diaper provided by the invention, structure is more frivolous, it is more preferable to prevent urine to both sides horizontal proliferation, reduce the possibility of side leakage, the occurrence of can so that urine longitudinal diffusion speed is also suitably slowed down simultaneously, reducing front and back leak.
Description
Technical field
The present invention relates to a kind of paper diaper absorptive cores, more particularly to a kind of that there is water conservancy diversion to work well and can prevent front and back
The absorptive core of leakage and side leakage, the invention further relates to a kind of preparation methods of paper diaper absorptive core.
Background technology
Paper diaper have become the regular supplies of infant and specific demand crowd because its is easy to use, hygienic.With people
The raising of requirement to paper diaper quality, in order to facilitate the use of people, the design of paper diaper is not only towards thinner, healthier ring
The direction of guarantor is developed, and, diffusivity more preferable to absorbability faster, leak resistance is stronger etc., and qualities propose new requirement.
Paper diaper absorptive core is the key components for playing paper diaper function.Existing paper diaper absorptive core packet
It includes：Bottom surface layer, lower layer's macromolecule layer, intermediate loft layer, upper layer macromolecule layer and upper epidermis.Wherein, upper epidermis, upper layer high score
Sublayer and intermediate loft layer constitute upper absorber layers；Bottom surface layer, lower layer's macromolecule layer and intermediate loft layer constitute lower absorb
Body layer.Upper absorber layers and lower absorber layers form double suction acceptor layer structure, and macromolecule water uptake uniform particle equivalent arrangements are in
Between loft layer both sides.During this structure absorbs moisture, absorptive core and moisture take the lead in the macromolecule of contact site
After the particle imbibition saturation that absorbs water, it is easy to form obstruction, prevents urine to the rear and front end of absorb core length direction and thickness
The diffusion of the lower absorber layers in direction, to reduce the utilization rate of macromolecule water uptake particle, but also paper diaper ventilate, dissipate
Mild lateral leakage protection performance is had a greatly reduced quality, and then affects the performance of paper diaper.
In order to improve water conservancy diversion efficiency, at present on some paper diaper absorptive cores in such a way that diversion trench is set.But at present
Diversion trench on disclosed paper diaper absorptive core is that the mode coincided with the upper and lower is arranged, fast after moisture being made to enter diversion trench
Speed is spread to bottom and longitudinal both ends, but also easily causes preceding leakage and back leak simultaneously.
In view of this, the water conservancy diversion effect for advanced optimizing paper diaper absorptive core how is provided, to improve making for paper diaper
With performance, meets people to the current higher expectation of paper diaper quality, be current paper diaper research staff urgent problem.
Invention content
The technical problem to be solved by the present invention is in view of the above shortcomings of the prior art, provide a kind of water conservancy diversion effect
Good Novel diaper absorptive core.
According to a kind of paper diaper absorptive core provided by the invention, include successively from inside to outside：Upper epidermis, upper layer high score
Sublayer, upper layer loft layer, lower layer's loft layer, lower layer's macromolecule layer and bottom surface layer, it is characterised in that：The upper epidermis, upper floor height
Molecular layer and upper layer loft layer form absorber layers, and lower layer's loft layer, lower layer's macromolecule layer and bottom surface layer form lower suction
Acceptor layer, the upper and lower absorber layers are longitudinally respectively formed multiple absorber items, the number of absorber item in the upper absorber layers
Amount is different from the quantity of absorber item in the lower absorber layers.
Multiple absorber intervals of the upper absorber layers form groove；Multiple absorbers of the lower absorber layers
Interval forms groove.
The groove and the lower multiple absorbers of absorber layers that the multiple absorber intervals of upper absorber layers are formed
It is misaligned above and below the groove that interval is formed.
The shape of the groove can be straight line, continuous Z-shaped or continuous S-shaped.
The upper absorber layers are provided with two grooves of bilinear shape；The lower absorber layers are provided with middle straight line
Shape, both sides are continuous S-shaped or continuous three Z-shaped grooves.
The quantity of absorber item is 3 in the upper absorber layers, and the quantity of absorber item is 4 in lower absorber layers.
Polymer particles content in the upper absorber layers accounts for polymer particles content in entire paper diaper absorptive core
30%-45%, the polymer particles content in the lower absorber layers accounts for polymer particles in entire paper diaper absorptive core
The 55%-70% of content.
The surface layer and bottom surface layer are bulked paper or non-woven fabrics of the chemical fibre content 30%~40%.
The upper layer loft layer, lower layer's loft layer are comprising low melting point composite short fiber and unstressed configuration agent without silicone oil terylene
Fluffy cotton.
Paper diaper absorptive core according to the present invention, due to the absorber item in the upper absorber layers and lower absorber layers
Quantity it is different so that the groove formed between absorber item is misaligned so that up and down the two of upper absorber layers and lower absorber layers
Layer forms different tiles structures, and moisture can improve the utilization of macromolecule absorption material by the rapid scattering and permeating of groove
Efficiency.Moreover, because the shape of groove is different, diffusion area can be further increased, improves the water conservancy diversion efficiency during use.
The absorptive core of the present invention is applied to after paper diaper so that paper diaper are more frivolous, and economic, environmental protection, reduce simultaneously
The generation of moisture front and back leak and side leakage phenomenon.
The present invention also provides a kind of preparation method of paper diaper absorptive core, this method includes：
By fluffy cotton by the first feed opening, via longitudinally disposed multiple between the first feed opening and above-mentioned fluffy cotton
Space between catch provides polymer particles on above-mentioned fluffy cotton；By rolling, above-mentioned polymer particles are embedded into fluffy
In the gap of loose cotton, multiple upper layer absorber items are formed, it is in the surface spraying hot melt adhesive of above-mentioned polymer particles, upper layer is puffing
Paper is bonded on above-mentioned polymer particles, absorber layers in formation；Above-mentioned fluffy cotton is inverted, the side court of bulked paper will have been bonded
Downwards；By the above-mentioned fluffy cotton of reversion by the second feed opening, via longitudinal between the second feed opening and above-mentioned fluffy cotton
Space between the multiple catch being arranged provides polymer particles on above-mentioned fluffy cotton, wherein in the first feed opening and upper
State between fluffy cotton the quantity of longitudinally disposed multiple catch and between the second feed opening and above-mentioned fluffy cotton it is longitudinally disposed
The quantity of multiple catch is different；By rolling, above-mentioned polymer particles are embedded into the gap of fluffy cotton, form multiple lower layers and inhale
Lower layer's bulked paper is bonded on polymer absorbent material, shape by acceptor item in the surface spraying hot melt adhesive of above-mentioned polymer particles
At lower absorber layers；Above-mentioned fluffy cotton is pressurizeed, is heated, rolling after cooling, absorptive core is formed.
Multiple absorber intervals in the upper absorber layers form groove；Multiple suctions in the lower absorber layers
Acceptor interval forms groove, the groove and the lower absorber that the upper multiple absorber intervals of absorber layers are formed
It is misaligned above and below the groove that the multiple absorber intervals of layer are formed.
The polymer particles content that first feed opening provides is that polymer particles contain in entire paper diaper absorptive core
The 30%-45% of amount, the polymer particles content that second feed opening provides account for macromolecule in entire paper diaper absorptive core
The 55%-70% of particle content.
According to the preparation method of paper diaper absorptive core provided by the invention, due to longitudinal between feed opening and fluffy cotton
The multiple catch being arranged so that polymer particles are easy to form multiple absorber items in fluffy cotton layer, to using simple
Method realize absorber layers and form different tiles structures from the upper layer and lower layer of lower absorber layers, to prepare more
It is frivolous, the higher paper diaper absorptive core of absorption efficiency.
The absorptive core of the present invention is applied to after paper diaper so that paper diaper are more frivolous, while being formed by groove
It not only prevents urine to both sides horizontal proliferation, reduces the possibility of side leakage, and have benefited from absorber layers up and down and be formed by
Without overlapping groove so that urine longitudinal diffusion speed is also suitably slowed down, reduce front and back leak the occurrence of.The present invention is not only
Improve the performance of paper diaper, and environmental protection and saving, economical and efficient.
Description of the drawings
Fig. 1 shows the diagrammatic cross-section of paper diaper absorptive core of the present invention；
Fig. 2A shows the upper surface schematic diagram of one embodiment of paper diaper absorptive core of the present invention；
Fig. 2 B show the lower surface schematic diagram of one embodiment of paper diaper absorptive core of the present invention；
Fig. 3 shows the lower surface schematic diagram of another embodiment of paper diaper absorptive core of the present invention；
Fig. 4 shows the schematic diagram that paper diaper absorptive core of the present invention is applied on paper diaper.
Specific implementation mode
To describe the technical solutions in the embodiments of the present invention more clearly, below in conjunction with attached drawing to the specific of the present invention
Embodiment illustrates, it is clarified that attached drawing and implementation column are exemplary and non-limiting.
In order to more clearly illustrate, "inner" side used herein is that paper diaper use is bonded the one of body in the process
Side；"upper" is that will be bonded the direction of the side of body upward under paper diaper unfolded state；" longitudinal direction " refers to that paper diaper absorb
Length direction after core expansion, each direction shown in the drawings is subject in other directions.
Fig. 1 shows the diagrammatic cross-section of paper diaper absorptive core of the present invention.As shown in Figure 1, according to provided by the invention
A kind of paper diaper absorptive core 1 includes successively from inside to outside：Upper epidermis 21, upper layer macromolecule layer 22, upper layer loft layer 23,
Lower layer's loft layer 33, lower layer's macromolecule layer 32 and bottom surface layer 31.
The upper epidermis 21, upper layer macromolecule layer 22 and upper layer loft layer 23 form upper absorber layers, and the lower layer is fluffy
Layer 33, lower layer's macromolecule layer 32 and bottom surface layer 31 form lower absorber layers, and the upper and lower absorber layers are longitudinally respectively formed multiple
Absorber item 41,42, absorber item 42 in the quantity with the lower absorber layers of absorber item 41 in the upper absorber layers
Quantity is different.
The upper epidermis 21 and bottom surface layer 31 preferably use bulked paper of the chemical fibre content 30%~40%, can also use
Hydrophilic spun-bond nonwoven fabric material；Upper layer loft layer 23 and lower layer's loft layer 33 are preferably used by low melting point composite short fiber and without glimmering
The fluffy cotton of terylene composition of the photo etching without silicone oil, can accommodate macromolecule in fluffy cotton gap, be integrated with fluffy cotton knot.
Multiple 41 intervals of absorber item of the upper absorber layers form groove 51；Multiple suctions of the lower absorber layers
42 interval of acceptor item forms groove 52.The groove 51 that multiple 41 intervals of absorber item of the upper absorber layers are formed with it is described
About 52 groove that lower multiple 42 intervals of absorber item of absorber layers are formed is misaligned.Groove 51 due to upper layer and lower layer
52 stagger setting of groove, so that multiple absorber items 42 of multiple absorber items 41 of upper absorber layers and lower absorber layers
It is staggeredly arranged.
Fig. 2A shows the upper surface schematic diagram of one embodiment of paper diaper absorptive core of the present invention；Fig. 2 B show the present invention
The lower surface schematic diagram of one embodiment of paper diaper absorptive core；Fig. 3 shows another embodiment of paper diaper absorptive core of the present invention
Lower surface schematic diagram.
As shown in Fig. 2A, Fig. 2 B and Fig. 3, the shape of the groove 51,52 can be straight line, continuous Z-shaped or continuous S
Shape.The shape of certain groove is not limited to above-mentioned shape, and variously-shaped combination may be used in the groove of each layer, not
It is defined in a kind of shape.As shown in Figure 2 A, the groove 51 that bilinear shape can be formed in upper absorber layers, by upper absorber layers point
It is divided into 3 absorber items 41.As shown in Figure 2 B, in lower absorber layers are provided with middle straight line shape, both sides are continuous S-shaped three
Lower absorber layers are separated into 4 absorber items 42 by groove 52.Fig. 3 is another embodiment of the present invention, is shown in lower absorption
Body layer is provided with middle straight line shape, both sides are continuous three Z-shaped grooves 52, and lower absorber layers are separated into 4 absorber items
42.Its further groove 51,52 preferably not exclusively runs through the entire longitudinal length of absorber layers.
According to the present invention, as shown in figure 4, it is preferred that in the upper absorber layers absorber item 41 quantity be 3, lower absorber
The quantity of absorber item 42 is 4 in layer.Absorptive core clad can select full packet or half pack mode.
Upper absorber layers form different tiles structures from the upper layer and lower layer of lower absorber layers, and moisture can be fast by groove
Fast scattering and permeating improves the utilization ratio of macromolecule absorption material.Moreover, because the shape of groove is different, it can be further
Increase diffusion area, improves the water conservancy diversion efficiency during use.
In order to make paper diaper, urine is more easy to downward absorber layers diffusion, the height in the upper absorber layers in use
Molecular particle content accounts for the 30%-45% of polymer particles content in entire paper diaper absorptive core, in the lower absorber layers
Polymer particles content account for the 55%-70% of polymer particles content in entire paper diaper absorptive core.
For the paper diaper absorptive core of the present invention, the present invention also provides a kind of preparation methods of paper diaper absorptive core.
The preparation method includes：
By fluffy cotton 23,33 by the first feed opening, via longitudinal between the first feed opening and above-mentioned fluffy cotton 23,33
Space between the multiple catch being arranged provides polymer particles 22 on above-mentioned fluffy cotton 23；
By rolling, above-mentioned polymer particles are embedded into the gap of fluffy cotton, form multiple absorber items 41；
In the surface spraying hot melt adhesive of above-mentioned polymer particles 22, upper layer bulked paper 21 is bonded in above-mentioned polymer particles
On 22, absorber layers in formation；
Above-mentioned fluffy cotton 23,33 is inverted, the side of bulked paper 21 will have been bonded downward；
By the above-mentioned fluffy cotton 33,23 of reversion by the second feed opening, via in the second feed opening and above-mentioned fluffy cotton 33,
Space between 23 between longitudinally disposed multiple catch provides polymer particles 32 on above-mentioned fluffy cotton 33, wherein
Between first feed opening and above-mentioned fluffy cotton the quantity of longitudinally disposed multiple catch in the second feed opening and above-mentioned fluffy cotton
Between longitudinally disposed multiple catch quantity it is different；
By rolling, above-mentioned polymer particles 32 are embedded into the gap of fluffy cotton, form multiple absorber items 42；
In the surface spraying hot melt adhesive of above-mentioned polymer particles 32, lower layer's bulked paper 31 is bonded in polymer absorbent material
On 32, lower absorber layers are formed；
Above-mentioned fluffy cotton 33,23 is pressurizeed, is heated, rolling after cooling forms absorptive core.
Preferably, two catch are had in the first feed opening, three can be gathered by the polymer particles of catch
Strip absorbing strip.Three catch are had in the second feed opening, four can be gathered by the polymer particles of these catch
Strip absorbing strip.Certainly, quantity is not limited only to above-mentioned this mode, can also be exactly using the catch of other quantity, purpose
Tile structure is formed in absorbed layer.The shape of these catch can be linear, continuous S-shaped or continuous Z-shaped one kind, also may be used
Think the combination of these types.
Due to the presence of above-mentioned catch, multiple absorber intervals in the upper absorber layers form groove；?
Multiple absorber intervals in the lower absorber layers form groove, the upper multiple absorber intervals of absorber layers
It is misaligned above and below the groove that the groove of formation is formed with the lower multiple absorber intervals of absorber layers, to form tile knot
Structure.
The polymer particles content that first feed opening provides is that polymer particles contain in entire paper diaper absorptive core
The 30%-45% of amount, the polymer particles content that second feed opening provides account for macromolecule in entire paper diaper absorptive core
The 55%-70% of particle content.That is, in paper diaper absorptive core, the polymer particles content in the upper absorber layers accounts for
The 30%-45% of polymer particles content in entire paper diaper absorptive core, the polymer particles in the lower absorber layers contain
Amount accounts for the 55%-70% of polymer particles content in entire paper diaper absorptive core.Each floor height molecular particle can so be improved
Utilization rate.
Claims (10)
1. a kind of paper diaper absorptive core, includes successively from inside to outside：Upper epidermis, upper layer macromolecule layer, upper layer loft layer, under
Layer loft layer, lower layer's macromolecule layer and bottom surface layer, it is characterised in that：The upper epidermis, upper layer macromolecule layer and upper layer loft layer
Absorber layers in formation, lower layer's loft layer, lower layer's macromolecule layer and bottom surface layer form lower absorber layers, the upper and lower suction
Acceptor layer is longitudinally formed multiple absorber items respectively, the quantity with the lower absorber layers of absorber item in the upper absorber layers
The quantity of middle absorber item is different.
2. paper diaper absorptive core according to claim 1, it is characterised in that：Multiple absorbers of the upper absorber layers
Interval forms groove；Multiple absorber intervals of the lower absorber layers form groove.
3. paper diaper absorptive core according to claim 2, it is characterised in that：The multiple absorber items of upper absorber layers
It is misaligned above and below the groove that the groove that interval is formed is formed with the lower multiple absorber intervals of absorber layers.
4. paper diaper absorptive core according to claim 2, it is characterised in that：The shape of the groove can be straight line, connect
Continuous Z-shaped or continuous S-shaped.
5. paper diaper absorptive core according to claim 2, it is characterised in that：The upper absorber layers are provided with bilinear
Two grooves of shape；The lower absorber layers are provided with middle straight line shape, both sides are that continuous S-shaped or continuously Z-shaped three are recessed
Slot.
6. paper diaper absorptive core according to claim 1, it is characterised in that：High score seed in the upper absorber layers
Sub- content accounts for the 30%-45% of polymer particles content in entire paper diaper absorptive core, the high score in the lower absorber layers
Sub- particle content accounts for the 55%-70% of polymer particles content in entire paper diaper absorptive core.
7. paper diaper absorptive core according to claim 1, it is characterised in that：The surface layer and bottom surface layer are chemical fibre content
In 30%~40% bulked paper or non-woven fabrics.
8. a kind of preparation method of paper diaper absorptive core, this method include：
By fluffy cotton by the first feed opening, via longitudinally disposed multiple catch between the first feed opening and above-mentioned fluffy cotton
Between space, polymer particles are provided on above-mentioned fluffy cotton；
By rolling, above-mentioned polymer particles are embedded into the gap of fluffy cotton, multiple upper layer absorber items are formed, in above-mentioned height
The surface spraying hot melt adhesive of molecular particle, upper layer bulked paper is bonded on above-mentioned polymer particles, absorber layers in formation；
Above-mentioned fluffy cotton is inverted, the side of bulked paper will have been bonded downward；
By the above-mentioned fluffy cotton of reversion by the second feed opening, via longitudinally disposed between the second feed opening and above-mentioned fluffy cotton
Multiple catch between space, polymer particles are provided on above-mentioned fluffy cotton, wherein in the first feed opening and above-mentioned fluffy
Between loose cotton the quantity of longitudinally disposed multiple catch and between the second feed opening and above-mentioned fluffy cotton it is longitudinally disposed multiple
The quantity of catch is different；
By rolling, above-mentioned polymer particles are embedded into the gap of fluffy cotton, multiple lower layer's absorber items are formed, in above-mentioned height
The surface spraying hot melt adhesive of molecular particle, lower layer's bulked paper is bonded on polymer absorbent material, forms lower absorber layers；
Above-mentioned fluffy cotton is pressurizeed, is heated, rolling after cooling, absorptive core is formed.
9. the preparation method of paper diaper absorptive core according to claim 8, which is characterized in that in the upper absorber layers
Multiple absorber intervals formed groove；Multiple absorber intervals in the lower absorber layers form groove, institute
State the groove and the lower multiple absorber interval shapes of absorber layers that the multiple absorber intervals of absorber layers are formed
At groove above and below it is misaligned.
10. the preparation method of paper diaper absorptive core according to claim 8, which is characterized in that first feed opening
The polymer particles content of offer be entire paper diaper absorptive core in polymer particles content 30%-45%, described second
The polymer particles content that feed opening provides accounts for the 55%-70% of polymer particles content in entire paper diaper absorptive core.
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| CN110755208A (en) * | 2019-10-28 | 2020-02-07 | 北京爸爸的选择科技有限公司 | Universal flow guide absorption core and preparation method thereof |
| CN112587309A (en) * | 2020-12-10 | 2021-04-02 | 福建恒安集团有限公司 | Core body manufacturing process for increasing flow guide and fitting |
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