CN110478136A - A kind of composite absorption core - Google Patents
A kind of composite absorption core Download PDFInfo
- Publication number
- CN110478136A CN110478136A CN201910864561.9A CN201910864561A CN110478136A CN 110478136 A CN110478136 A CN 110478136A CN 201910864561 A CN201910864561 A CN 201910864561A CN 110478136 A CN110478136 A CN 110478136A
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- Prior art keywords
- composite absorption
- core
- embossing
- absorption core
- coating
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 113
- 239000002131 composite material Substances 0.000 title claims abstract description 101
- 238000004049 embossing Methods 0.000 claims abstract description 97
- 239000011248 coating agent Substances 0.000 claims abstract description 55
- 238000000576 coating method Methods 0.000 claims abstract description 55
- 239000012792 core layer Substances 0.000 claims abstract description 22
- 238000009792 diffusion process Methods 0.000 claims abstract description 9
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 86
- 239000000835 fiber Substances 0.000 claims description 33
- 150000001875 compounds Chemical group 0.000 claims description 26
- 229920002678 cellulose Polymers 0.000 claims description 25
- 239000001913 cellulose Substances 0.000 claims description 25
- 230000002745 absorbent Effects 0.000 claims description 24
- 239000002250 absorbent Substances 0.000 claims description 24
- 239000011347 resin Substances 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 15
- 150000008442 polyphenolic compounds Chemical class 0.000 claims description 10
- 235000013824 polyphenols Nutrition 0.000 claims description 10
- 239000004831 Hot glue Substances 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 5
- 239000004745 nonwoven fabric Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 241001122767 Theaceae Species 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 description 15
- 230000000694 effects Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 244000269722 Thea sinensis Species 0.000 description 8
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- 230000000845 anti-microbial effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 229920000247 superabsorbent polymer Polymers 0.000 description 6
- 230000008595 infiltration Effects 0.000 description 5
- 238000001764 infiltration Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- 210000002700 urine Anatomy 0.000 description 4
- 241001391944 Commicarpus scandens Species 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
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- 241000588724 Escherichia coli Species 0.000 description 2
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- 229910003460 diamond Inorganic materials 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 2
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000005213 imbibition Methods 0.000 description 2
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- 241000894006 Bacteria Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 206010015150 Erythema Diseases 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
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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
- A61F13/53—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
- A61F13/53—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
- A61F13/53—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
- A61F13/5376—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 characterised by the performance of the layer, e.g. acquisition rate, distribution time, transfer time
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/28—Polysaccharides or their derivatives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/46—Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria
-
- 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
- A61F13/53—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
- A61F2013/53778—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 grooves
Abstract
The present invention relates to a kind of composite absorption cores, including the first coating, the second coating, and it is connected to the absorptive core layer between first coating, the second coating, its structure feature is to be provided with plural item on the composite absorption core to absorb baffle along the reinforcing that composite absorption core longitudinal direction extends to both ends, to improve the core intensity and diffusion absorption of the composite absorption core, the reinforcing absorbs baffle for strip embossing, connects so that the absorptive core layer and the first adjacent coating or/and the second coating are strengthened.Simultaneously, the two proximal positions on composite absorption core transverse width direction, it is respectively arranged with the side seal body extended along the longitudinal direction of composite absorption core to both ends, the absorptive core layer and the first adjacent coating or/and the second coating are carried out side seal connection respectively by each side seal body.The present invention has excellent intensity, water conservancy diversion diffusivity and absorbability.
Description
Technical field
The present invention relates to disposable absorbent article fields, and a kind of composite absorption core is especially arranged.
Background technique
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, paper diaper for infant using more and more extensive.Baby's absorbent article increasingly be particular about comfortably with
Practical, the application of baby's absorbent article facilitates people and fosters baby.
More thick and heavy due to resulting in paper diaper using traditional technique, it is inconvenient to come to infant's active belt, and it is long when
Between use be easy to stick together, tomography, therefore be easy to be expressed to the crotch of infant, make troubles to infant's activity, while
The health care belt of infant is endangered, the healthy growth of infant is influenced.In order to which baby's dress is more comfortable, occur by bulky suction
Receive the case where material is to ultra-thin absorbent excessive material.But due to ultrathin products have the characteristics that it is lighter and thinner, more comfortable,
It is more and more welcomed by the people.
It is various in style currently, ultrathin products in the market are multifarious, but due to the characteristic of ultra-thin absorbent core itself,
Therefore, there are many defects.Such as, ultrathin products are resulted in using conventional technique and is easy side leakage, while longitudinal diffusion is poor, influenced
The actual use performance of the absorptive core, and be easy to cause baby's erythema etc..
In order to improve defect existing for ultra-thin absorbent core, the investigative technique people of domestic disposable sanitary articles technical field
Member has made intensive studies the diffusion of ultra-thin absorbent core, guide performance, such as:
The patent of invention that notification number is CN206822784U discloses a kind of absorptive core with trace line structure and by it
The paper diaper of preparation, and the absorptive core with trace line structure is specifically disclosed, including from top to bottom successively fold and set surface layer nonwoven
Cloth, guide layer, the uptake zone by inner layer non-woven wraps and counterdie；The uptake zone is equipped with many places trace line structure, the trace
Line is impression, cut mark or cutting, and the trace line includes at least one of straight line, camber line, folding line.And specifically disclose by
A kind of paper diaper that above-mentioned absorptive core is constituted, absorptive core of the invention greatly improve local absorption rate, accelerate infiltration rate,
Core agglomeration deformation is prevented, applied to surface dry can be kept in paper diaper in a long time, is provided for user easypro
Suitable use environment.
Notification number is that the patent of invention of CN105919733A discloses a kind of absorption for having high-efficiency diversion and gas permeability
Core, including surface layer, bottom and absorbed layer, absorbed layer include the nonwoven layer being bonded with surface layer lower surface, in nonwoven layer
Uniform broadcasting has super absorbent resin；Surface layer is bonded to form composite layer with nonwoven layer, and composite layer is equipped with diversion channel slot, water conservancy diversion
Core is divided into muti-piece absorption region by groove；Composite layer is connect with bottom upper surface；Table on nonwoven layer lower surface and bottom
Uniform broadcasting has super absorbent resin between face.A kind of processing method is also provided simultaneously, non-woven fabrics can be reduced to greatest extent
Gelation degree increases soft comfortable degree, improves sense of touch.The absorptive core is arranged in pairs or groups the SAP of different performance between layers, and core exists
Apparent protrusion is showed after imbibition, with soft comfortable, good permeability, imbibition diffusion it is fast, with small excellent of skin contact area
Point.
Although aforementioned publication can promote the longitudinal diffusion of urine to a certain extent, due to constituting absorber item
Super Absorbent Polymer Particles have the characteristics that large specific surface area, infiltration rate are fast, therefore, once urine stream touches super absorbent resin
Particle surface is stored by Super Absorbent Polymer Particles, meanwhile, Super Absorbent Polymer Particles will expand after absorbing urine, swollen
High hydroscopic resin colloid after swollen will be got into, migrate to the comb teeth-shaped structure or grooving or cut mark of fibrous structure plies, and glue
The phenomenon that body surfaces of tacky, is easy to appear colloid choking phenomenon, and subsequent urine is caused to be difficult to spread apart again.It is existing in order to improve
The problem of with the presence of technology, the present invention, which provides one kind, not only has stronger tensile strength, but also has excellent diffusing baffle
The composite absorption core of absorbability and antibiotic property.
Summary of the invention
The object of the invention is to the tensile strength deficiencies in order to solve existing absorptive core, it is difficult to meet high production linear speed
The requirement of degree and diffusing baffle, absorbent properties difference and the big technical problem of milliosmolarity is returned, providing a kind of both has stronger stretching
Intensity, while again with the composite absorption core of excellent diffusing baffle absorbability and antibiotic property.
In order to achieve the above objectives, the technical solution adopted by the present invention are as follows:
The composite absorption core, including being located at the first coating at the top of the composite absorption core and being located at compound suction
The second coating of core bottom, and the absorptive core layer being connected between first coating, the second coating are received,
Structure feature is to be provided with plural item on the composite absorption core to extend along composite absorption core longitudinal direction to both ends
Reinforcing absorb baffle, to improve the core intensity and diffusion absorption of the composite absorption core.
Based on the above technical solution, the invention also includes following technical solutions: laterally wide in composite absorption core
Two proximal positions on direction are spent, the side seal extended along the longitudinal direction of composite absorption core to both ends is respectively arranged with
The absorptive core layer and the first adjacent coating or/and the second coating are carried out side respectively by body, each side seal body
Envelope connection.
Preferably, the reinforcing absorbs baffle for strip embossing, so that the absorptive core layer is covered with adjacent first
Cap rock or/and the second coating strengthen connection.
Preferably, the distribution trajectory of the strip embossing includes fold-line-shaped embossing, curved shape embossing, waveform embossing, line
Shape embossing or dotted line shape embossing, width 1-10mm, depth are the 20%-45% of composite absorption core thickness, the strip
The cross-sectional shape of embossing includes V-arrangement, U-shaped, rectangle or inverted trapezoidal.
Preferably, two are provided with composite absorbent core at the top of the composite absorption core or the central area of bottom
Waveform that body longitudinal direction extends to both ends embossing, the waveform embossing from the first coating or the second coating from along
Composite absorption core thickness direction sunken inside, wave crest, the trough of two waveform embossings are oppositely arranged respectively, and along compound
The distribution of absorptive core longitudinal centre line axial symmetry.
Preferably, the central area of the top and bottom of the place composite absorption core is respectively arranged with two along multiple
It closes absorptive core longitudinal direction to extend to both ends, and wave crest, trough are oppositely arranged respectively, and along composite absorption core longitudinal center
The symmetrical waveform embossing of spool, the waveform embossing is respectively from the first coating, the second coating from along compound
Absorptive core thickness direction sunken inside, wherein the waveform embossing positioned at top is embossed with the waveform for being located at bottom compound
Projection on absorptive core thickness direction is overlapped or is staggered.
Preferably, each side seal body is embossed in the proximal position of compound core body by a plurality of billets along multiple
It closes core longitudinal direction to be alternatively arranged, the length of the billet embossing is 0.5-30mm, width 0.5-20mm, every two-phase
Spacing between adjacent billet embossing is 0.5-50mm.
However, in other specific embodiments, each side seal body can also emboss by a plurality of rectangles,
Square embossing, parallelogram embossing, diamond shape embossing, star embossing, hexagon embossing, triangle embossing or circular point shape pressure
Line is alternatively arranged along compound core body vertical side of the edge.
Preferably, one end of the billet embossing is connected to the compound core body vertical side of the edge and forms opening, and another
One end far from the compound core body vertical side of the edge, and make each billet embossing with compound core body vertical side of the edge shape
At 20 ° -80 ° of angle.
Preferably, first coating is clean paper layer or gets clean paper layer ready, and second coating is dust-free paper
Layer or Through-Air Thermal Bonded Nonwovens layer, the absorptive core layer is by super absorbent resin layer, loft non-woven layer of cloth, super absorbent resin
Layer, hot melt adhesive layer and fluff pulp fibers layer are from top to bottom formed by connecting, and by hot melt adhesive layer respectively with first coating,
Second coating is connected as one.Wherein, the density of fluff pulp fibers layer is 0.08-0.15g/cm3, density imparting Time of Fluff Slurry
Fibrous layer had not only had preferably intensity, but also had preferable pliability.
As a further preference, the Nanowire that mass ratio is 5%-50% is mixed in the fluff pulp fibers layer
Dimension element or tea polyphenols modified nanometer cellulose.Nano-cellulose has light, high-specific surface area characteristic, and surface is contained largely
Hydroxyl, acted on by the self assembly of Hyarogen-bonding, so that nano-cellulose and nano-cellulose in fluff pulp fibers layer
Between and nano-cellulose and fluff pulp fibers between formed not only have flexibility, but also with some strength three-dimensional fiber
Network structure meets the Gao Sheng of absorptive core so that fluff pulp fibers layer on the one hand be made to have more excellent tensile strength
Producing line speed uses composite absorption core as disposable absorb the mechanical property requirements of fluff pulp fibers layer
The liquid absorption carrier of product is in use, since fluff pulp fibers layer has preferably dry strength and wet strength, so that Time of Fluff Slurry is fine
Tie up layer in composite absorption core use process not easy-to-break layer, accumulation or rise stick together, enable villus pulp layer effectively to play its excellent
Absorption and conduction.
The advantageous effects that the present invention realizes:
Firstly, strip embossing (strengthen and absorb baffle) on the one hand improves the core intensity of composite absorption core, the strip
Embossing enables the absorptive core layer to carry out reinforcing connection with the first adjacent coating or/and the second coating, another
Aspect improves composite absorption core to the flow conductivity of liquid, diffusivity and absorbability.
Secondly, billet embossing (side seal body) on the one hand plays the role of edge sealing, Super Absorbent Polymer Particles are avoided, especially
Partial size is trickled down in 200 μm of fine particle leakages below or outward, on the other hand improves the tensile strength of composite absorption core, full
Requirement of the high line speed of foot to composite absorption core tensile strength.
Again, fluff pulp fibers layer is set in the bottom of composite absorption core, improves the absorbability of composite absorption core, leads
Fluidity and diffusivity.
Finally, nano-cellulose improves the intensity of fluff pulp fibers layer and absorbs diffusivity, nano-cellulose is acted on
Not only there is flexibility in be formed in fluff pulp fibers layer, but also the three-dimensional fiber network structure with some strength, thus one
Aspect makes fluff pulp fibers layer have more excellent tensile strength, meets the high line speed of absorptive core to Time of Fluff Slurry
On the other hand the mechanical property requirements of fibrous layer make liquid absorption carrier of the composite absorption core as disposable absorbent article
In use, since fluff pulp fibers layer has preferably dry strength and wet strength, so that fluff pulp fibers layer is in composite absorbent core
In body use process not easy-to-break layer, accumulation or rise stick together, enable villus pulp layer effectively to play its excellent absorption and conduction.
And after using tea polyphenols modified nanometer cellulose, so that nano-cellulose has excellent anti-microbial property and deodoriging properties.
Detailed description of the invention
Fig. 1 is the schematic diagram of composite absorption core of the invention.
Fig. 2 is the structural schematic diagram of the composite absorption core of embodiment 1, embodiment 3.
Fig. 3 is the structural schematic diagram to Fig. 2 along A-A section view of embodiment 1, embodiment 3.
Fig. 4 is the structural schematic diagram to Fig. 2 along A-A section view of embodiment 2, embodiment 3.
Fig. 5 is the structural schematic diagram of the composite absorption core of embodiment 4.
Fig. 6 is the structural schematic diagram of the absorptive core layer of embodiment 5.
Specific embodiment
Strip of the invention embosses, billet embossing is process by pressure roller through heat pressing process, which includes
Ultrasonic wave hot pressing, infrared hot pressing use the hot pressing of high temperature roller, preferably ultrasonic wave heat pressing process.
Nano-cellulose or tea polyphenols modified nanometer cellulose of the present invention can be obtained by commercial goods, can also
It is prepared according to existing method.
In order to make further understanding to the present invention, it is explained now in conjunction with attached drawing.
Embodiment 1
As shown in attached drawing 1, Fig. 2 and Fig. 3, the composite absorption core 1 of the present embodiment, by being located at the composite absorption core 1
First coating 8 at top, the second coating 10 positioned at 1 bottom of composite absorption core, and it is connected to first covering
Absorptive core layer 9 between layer, the second coating is constituted, wherein it is 10-30g/ that the first coating 8, which can choose square grammes per square metre,
m2Clean paper layer, the second coating 10 be a square grammes per square metre be 10-30g/m2Clean paper layer or Through-Air Thermal Bonded Nonwovens layer.
The top center region of composite absorption core 1 is provided with two to prolong with composite absorption core longitudinal direction to both ends
Waveform embossing 4, the waveform embossing 5 stretched are embossed as strip, which embosses 4, waveform embossing 5 from the first coating
From along composite absorption core thickness direction sunken inside, waveform embossing 4, the wave crest of waveform embossing 5, trough are set in opposite directions respectively
It sets, and is distributed along composite absorption core longitudinal centre line axial symmetry.In addition, waveform embossing can also be arranged 3 or more,
Waveform can be embossed and be embossed with other shapes, if dotted line shape embossing is applied in combination, such as between two waveform embossings
Symmetrical center positions are arranged dotted line shape and emboss.
As the another embodiment of the present embodiment, can also be arranged in the central area of the bottom of composite absorption core
There are two to emboss with the waveform that composite absorption core longitudinal direction extends to both ends, the wave crest of two waveforms embossings,
Trough is oppositely arranged respectively, and is distributed along composite absorption core longitudinal centre line axial symmetry.
The waveform that the present embodiment is extended with composite absorption core longitudinal direction to both ends embosses 4, waveform embossing 5 and will answer
It closes absorptive core 1 and is separated into uptake zone 11, uptake zone 12 and uptake zone 13, be formed between two adjacent uptake zones and be equipped with one
Waveform embossing 4 or waveform embossing 5.
In the specific embodiment of the present embodiment, the width that waveform embossing 4, waveform emboss 5 is 1-10mm, preferably
For 2-5mm；The 20%-45% that depth is 1 thickness of composite absorption core is embossed, waveform embosses the transversal of 4, waveform embossing 5
Face shape can choose V-arrangement, U-shaped, rectangle or inverted trapezoidal, it is also an option that other shapes.
It, can also be using fold-line-shaped embossing, curved shape embossing, waveform pressure other than waveform embossing is as strip embossing
Line, linear embossing or dotted line shape embossing are embossed as strip.
The strip embossing (strengthen and absorb baffle) of the present embodiment setting has the function of as follows: on the one hand improving compound suction
The core intensity of core is received, strip embossing enables the absorptive core layer and the first adjacent coating or/and second
Coating carries out reinforcing connection, on the other hand improves composite absorption core to the flow conductivity of liquid, diffusivity and absorbability.
Embodiment 2
As shown in Fig. 4, the present embodiment and the difference of embodiment 1 are that the present embodiment is at the top of composite absorption core 1
Waveform embossing is respectively set as strip with the central area of bottom to emboss, comprising:
1) two are respectively arranged with along composite absorption core longitudinal direction in the top center region of composite absorption core 1
Extend to both ends, and wave crest, trough are oppositely arranged respectively, and along the wave of composite absorption core longitudinal centre line axial symmetry distribution
Shape embossing 4, waveform embossing 5, waveform embossing 4, waveform embossing 5 respectively from the first coating, the second coating from along
Composite absorption core thickness direction sunken inside.
2) two are respectively arranged with along composite absorption core longitudinal direction in the bottom center region of composite absorption core 1
Extend to both ends, and wave crest, trough are oppositely arranged respectively, and along the wave of composite absorption core longitudinal centre line axial symmetry distribution
Shape embossing 6, waveform embossing 7, waveform embossing 6, waveform embossing 7 respectively from the first coating, the second coating from along
Composite absorption core thickness direction sunken inside.
In a specific embodiment, waveform embossing 4, waveform embossing 5 emboss 6, waveform pressure with corresponding waveform
Projection overlapping of the line 7 on composite absorption core thickness direction, but can also be staggered.
Embodiment 3
As shown in attached drawing 1, Fig. 2, Fig. 3, the present embodiment is on the basis of the strip embossing technology scheme of embodiment 1, this implementation
Proximal 2 of the example on 1 transverse width direction of composite absorption core, 3 position of proximal, are respectively arranged with along compound suction
Side seal body 22, side seal body 32 that the longitudinal direction of core extends to both ends are received, side seal body 22, side seal body 32 are respectively by the absorption
Core layer 9 and the first adjacent coating 8 or/and the second coating 10 carry out side seal connection.Wherein:
1) side seal body 22 embosses 21 in 2 position of proximal of compound core body 1 along compound core body by a plurality of billets
Longitudinal direction is alternatively arranged, and one end 211 of billet embossing 21 is connected to compound core body vertical side of the edge 101 and is formed and opened
Mouthful, and the other end 212 is far from the compound core body vertical side of the edge 101, and makes each billet embossing 21 and compound core body
Vertical side of the edge 101 forms 20 ° -80 ° of angle 213, and preferably angle 213 is 30 ° -60 °.
2) side seal body 32 is as side seal body 22, equally by a plurality of billet embossings 31 compound core body 1 nearside
3 position of edge is alternatively arranged along compound core body longitudinal direction.
As the further preferred embodiment of the present embodiment, the length that each billet embossing 21, billet emboss 31 is
0.5-30mm, width 0.5-20mm, every two adjacent billets emboss between 21 or between every two adjacent billet embossing 31
Spacing is 0.5-50mm.
As shown in Fig. 4, the another embodiment as side seal body, can also composite absorption core 1 top and
Side seal body is arranged simultaneously in bottom, the side seal body that setting is made of several billets embossing 41 in bottom corresponding with side seal body 22,
Similarly, the side seal body being made of several billets embossing 51 is set in bottom corresponding with side seal body 32.
However, in other specific embodiments, each side seal body can also emboss by a plurality of rectangles,
Square embossing, parallelogram embossing, diamond shape embossing, star embossing, hexagon embossing, triangle embossing or circular point shape pressure
Line is alternatively arranged along compound core body vertical side of the edge.
The effect of the billet embossing (side seal body) of the present embodiment is: on the one hand playing the role of edge sealing, avoids high water absorption
Property resin particle, especially partial size trickled down in 200 μm of fine particles below leakages or outward, on the other hand improve composite absorption
The tensile strength of core meets requirement of the high line speed to composite absorption core tensile strength.In addition, setting billet embosses
Between to be alternatively arranged, and be 20 ° -80 ° with the angle of compound core body vertical side of the edge, both reduced the horizontal proliferation of liquid, and kept away
The phenomenon that exempting from side leakage, and assign absorption and expansion of the nearly side edge region of absorptive core to liquid.
Embodiment 4
The present embodiment provides the embodiments of the intracorporal absorptive core layer of composite absorbent core.As shown in Fig. 5, the present embodiment
Difference from example 1 is that clean paper layer is got in the first coating 8 selection of the present embodiment ready, design feature is
It is provided on getting clean paper layer ready and gets pattern ready, this gets the figure that pattern is recessed inwardly preferably along clean paper layer thickness direction ready
Case, with the pattern of 3D stereoscopic effect after being more preferably recessed inwardly.
There is no limit can such as use dot pattern 14, can also adopt the open end shape of the present embodiment air exercise dot pattern
With argyle design, triangle group or mulle.
After the present embodiment get ready pattern processing to dust-free paper, clean paper layer can be increased to the diffusion area of liquid,
So that its to the infiltration rate of liquid faster, while can also reduce under compression effect the siphonic effect of liquid, reduce liquid
Infiltration effect is returned, the anti-of dust-free paper is improved and returns infiltration performance.
Embodiment 5
The present embodiment provides the specific embodiments of absorptive core layer.As shown in Fig. 6, absorptive core layer 9 is by high water absorption
Property resin layer 91, loft non-woven layer of cloth 92, super absorbent resin layer 93, hot melt adhesive layer 94 and fluff pulp fibers layer 95 from top to bottom
It is formed by connecting, and is connected as one respectively with first coating, the second coating by hot melt adhesive layer (not shown).
Wherein, the super absorbent resin in each super absorbent resin layer is 3-6g.
As the preferred embodiment of the present embodiment, the density of fluff pulp fibers layer 95 is 0.04-0.15g/cm3, square
Grammes per square metre 75-300g/m2The density, which assigns fluff pulp fibers layer 95, not only has preferably intensity, but also has preferable pliability.
For further increase fluff pulp fibers layer 95 intensity and absorb diffusivity, using nano-cellulose have it is light,
The characteristic of high-specific surface area and its surface contain a large amount of hydroxyl and generate self assembly effect, this implementation by Hyarogen-bonding
Example is preferably mixed with the nano-cellulose that mass ratio is 5%-50% in fluff pulp fibers layer 95.
The effect of above-mentioned nano-cellulose is nano-cellulose and nano-cellulose so that in fluff pulp fibers layer 95
Between and nano-cellulose and fluff pulp fibers between formed not only have flexibility, but also with some strength three-dimensional fiber
Network structure meets the height of absorptive core so that fluff pulp fibers layer 95 on the one hand be made to have more excellent tensile strength
Line speed inhales composite absorption core as disposable the mechanical property requirements of fluff pulp fibers layer 95
The liquid absorption carrier of articles is received in use, since fluff pulp fibers layer 95 has preferably dry strength and wet strength, so that suede
Easy-to-break layer, accumulation or rise does not stick together hair pulp fibres layer 95 in composite absorption core use process, enables villus pulp layer 95 effective
Play its excellent absorption and conduction.
In order to further play the performance of nano-cellulose, use with such as tea of the plant polyphenol with multiple hydrogen bonding effect
Polyphenol carries out modification to nanofiber, obtains tea polyphenols modified nanometer cellulose.Above-mentioned tea polyphenols modified nanometer cellulose
Effect be to further enhance three-dimensional fiber network structure, while nano-cellulose is had and excellent anti-microbial property and is removed
Smelly performance.
Performance detection
1, sample making:
(1) respectively using absorptive core layer made from embodiment 5 as the composite absorption core of embodiment 1- embodiment 4
Absorb carrier layer, wherein the size of absorptive core layer is 100mm × 400mm, and as shown in Fig. 6, parameter includes: 1) high water absorption
Property resin layer 91 in Super Absorbent Polymer Particles be 4g；2) square grammes per square metre of loft non-woven layer of cloth 92 is 24g/m2；3) high water absorption
Property resin layer 93 in Super Absorbent Polymer Particles be 4g；5) 94 coating weight of hot melt adhesive layer is 3g/m2；6) fluff pulp fibers layer 95 is
(square grammes per square metre is 100g/m to 4g2), tea polyphenols modified nanometer cellulose is 1g, density 0.06g/cm3。
(2) pattern of indentations parameter is as follows:
1) strengthen and absorb baffle: the width of each waveform embossing is 3mm, and depth is 1 thickness of composite absorption core
25%, it is U-shaped that waveform, which embosses cross-sectional shape,.
2) side seal body: the length of each billet embossing is 5mm, and the spacing between every two adjacent billet embossings is 5mm,
And it is 60 ° with the angle 213 of compound core body vertical side of the edge, other parameters and waveform emboss always.
(3) comparative sample is regular absorbent core, it may be assumed that is free of fluff pulp fibers layer in comparative sample absorptive core layer, does not set strong
Change and absorbs baffle and side seal body.
2, performance test:
(1) water conservancy diversion diffusion is tested with absorbent properties:
Test method referenceGB/T28004-2011 paper diaper (piece, pad), and the time of penetration of liquid each time is recorded,
That is: it opens to synchronize when liquid feeding switching fluid penetrates at the top of composite absorption core and start by manual time-keeping, when liquid is from composite absorption
When disappearing at the top of core, timing terminates, and records first time time of penetration T1.Reciprocating operation, record second time of penetration T2 and
Third time time of penetration T3.
Test result is as follows:
| Project | T1(s) | T2(s) | T3(s) | The amount of bleeding back (g) |
| Embodiment 1 | 3.2 | 4.6 | 6.7 | 2.1 |
| Embodiment 2 | 2.8 | 3.8 | 5.6 | 1.4 |
| Embodiment 3 | 2.9 | 4.1 | 6.1 | 1.8 |
| Embodiment 4 | 2.5 | 3.6 | 5.6 | 1.2 |
| Comparative example | 5.9 | 9.4 | 17.6 | 7.1 |
Test result explanation is strengthened and absorbs baffle raising composite absorption core to the flow conductivity of liquid, diffusivity and suction
The property received.Meanwhile in the fluff pulp fibers layer of the bottom of composite absorption core setting, further cooperative reinforcing absorbs baffle enhancing
The absorbability of composite absorption core, flow conductivity and diffusivity.
(2) anti-microbial property test
Anti-microbial property detects foundation: JIS Z 2801:2000 " detection and par of antibacterial product anti-microbial property ".
Bacterium: Escherichia coli (Escherichia coli) ATCC 25822 is used in detection.
Staphylococcus aureus (Staphylcococcus aureus) ATCC 6538.
Test result is as follows:
Test result explanation, tea polyphenols modified nanometer cellulose have good anti-microbial property.
Although the present invention describes specific case study on implementation, the scope of the invention is not limited to above-mentioned specific realities
Example is applied, without departing from the case in the spirit of the invention, guarantor of the invention is each fallen within to various modifications of the invention, variations and alternatives
Protect range.
Claims (10)
1. a kind of composite absorption core, including being located at the first coating at the top of the composite absorption core and being located at composite absorption
Second coating of core bottom, and the absorptive core layer being connected between first coating, the second coating, it is special
Sign is: be provided on the composite absorption core plural item extend along composite absorption core longitudinal direction to both ends it is strong
Change and absorb baffle, to improve the core intensity and diffusion absorption of the composite absorption core.
2. composite absorption core according to claim 1, it is characterised in that: further include in composite absorption core transverse width
Two proximal positions on direction, are respectively arranged with the side seal extended along the longitudinal direction of composite absorption core to both ends
The absorptive core layer and the first adjacent coating or/and the second coating are carried out side respectively by body, each side seal body
Envelope connection.
3. composite absorption core according to claim 1, it is characterised in that: it is strip pressure that the reinforcing, which absorbs baffle,
Line, the strip embosses so that the absorptive core layer and the first adjacent coating or/and the second coating strengthen connection.
4. composite absorption core according to claim 3, it is characterised in that: the distribution trajectory of the strip embossing includes folding
Linear embossing, curved shape embossing, waveform embossing, linear embossing or dotted line shape embossing, the cross-sectional shape of the strip embossing
Including V-arrangement, U-shaped, rectangle or inverted trapezoidal.
5. composite absorption core according to claim 4, it is characterised in that: at the top or bottom of the composite absorption core
The central area in portion is provided with two waveform embossings extended with composite absorption core longitudinal direction to both ends, two waves
Wave crest, the trough of shape wave embossing are oppositely arranged respectively, and are distributed along composite absorption core longitudinal centre line axial symmetry.
6. composite absorption core according to claim 4, it is characterised in that: at the top and bottom of the composite absorption core
The central area in portion is respectively arranged with two and extends along composite absorption core longitudinal direction to both ends, and wave crest, trough are distinguished
It is oppositely arranged, and along the waveform embossing of composite absorption core longitudinal centre line axial symmetry distribution, wherein being located at the wave at top
Shape embossing is Chong Die with projection of the waveform embossing of bottom on composite absorption core thickness direction is located at or is staggered.
7. composite absorption core according to claim 2, it is characterised in that: each side seal body is by a plurality of short
Item embossing is alternatively arranged in the proximal position of compound core body along compound core body longitudinal direction, the length of the billet embossing
Spending is 0.5-30mm, width 0.5-20mm, and the spacing between every two adjacent billets embossings is 0.5-50mm.
8. composite absorption core according to claim 7, it is characterised in that: one end of billet embossing with it is described compound
The connection of core vertical side of the edge and form opening, and the other end is far from the compound core body vertical side of the edge, and makes each institute
State the angle that billet embossing forms 20 ° -80 ° with compound core body vertical side of the edge.
9. -8 any composite absorption core according to claim 1, it is characterised in that: first coating is dust-free paper
Layer gets clean paper layer ready, and second coating is clean paper layer or Through-Air Thermal Bonded Nonwovens layer, and the absorptive core layer is by height
Water-absorbing resins layer, loft non-woven layer of cloth, super absorbent resin layer, hot melt adhesive layer and fluff pulp fibers layer from top to bottom connect and
At, and be connected as one respectively with first coating, the second coating by hot melt adhesive layer.
10. composite absorption core according to claim 9, it is characterised in that: be mixed in the fluff pulp fibers layer
Mass ratio is the nano-cellulose or tea polyphenols modified nanometer cellulose of 5%-50%.
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