CN114522027A - Super-soft high blood absorption type composite core and sanitary towel - Google Patents
Super-soft high blood absorption type composite core and sanitary towel Download PDFInfo
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- CN114522027A CN114522027A CN202111651635.4A CN202111651635A CN114522027A CN 114522027 A CN114522027 A CN 114522027A CN 202111651635 A CN202111651635 A CN 202111651635A CN 114522027 A CN114522027 A CN 114522027A
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- woven fabric
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- 239000008280 blood Substances 0.000 title claims abstract description 96
- 210000004369 blood Anatomy 0.000 title claims abstract description 96
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 77
- 239000002131 composite material Substances 0.000 title claims abstract description 62
- 229920005989 resin Polymers 0.000 claims abstract description 33
- 239000011347 resin Substances 0.000 claims abstract description 33
- 229920000742 Cotton Polymers 0.000 claims abstract description 19
- 239000004745 nonwoven fabric Substances 0.000 claims description 47
- 239000002952 polymeric resin Substances 0.000 claims description 27
- 229920003002 synthetic resin Polymers 0.000 claims description 27
- 239000002250 absorbent Substances 0.000 claims description 26
- 230000002745 absorbent Effects 0.000 claims description 25
- 229920000297 Rayon Polymers 0.000 claims description 17
- 230000002175 menstrual effect Effects 0.000 claims description 16
- 230000008595 infiltration Effects 0.000 claims description 14
- 238000001764 infiltration Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 239000000178 monomer Substances 0.000 claims description 9
- -1 acrylamide modified sodium acrylate Chemical class 0.000 claims description 3
- 150000001875 compounds Chemical group 0.000 claims description 3
- 210000002469 basement membrane Anatomy 0.000 claims 1
- 239000010410 layer Substances 0.000 description 49
- 239000007788 liquid Substances 0.000 description 10
- 238000001223 reverse osmosis Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 229920001131 Pulp (paper) Polymers 0.000 description 6
- 239000003146 anticoagulant agent Substances 0.000 description 6
- 229940127219 anticoagulant drug Drugs 0.000 description 6
- 102000004169 proteins and genes Human genes 0.000 description 6
- 108090000623 proteins and genes Proteins 0.000 description 6
- 229920002521 macromolecule Polymers 0.000 description 5
- 230000014759 maintenance of location Effects 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 239000002344 surface layer Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 230000023555 blood coagulation Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 3
- 230000035807 sensation Effects 0.000 description 3
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 2
- 125000003275 alpha amino acid group Chemical group 0.000 description 2
- 239000003242 anti bacterial agent Substances 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000006041 probiotic Substances 0.000 description 1
- 230000000529 probiotic effect Effects 0.000 description 1
- 235000018291 probiotics Nutrition 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- GYDJEQRTZSCIOI-LJGSYFOKSA-N tranexamic acid Chemical compound NC[C@H]1CC[C@H](C(O)=O)CC1 GYDJEQRTZSCIOI-LJGSYFOKSA-N 0.000 description 1
- 229960000401 tranexamic acid Drugs 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—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
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530481—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials
- A61F2013/530583—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the form
- A61F2013/530613—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the form in fibres
- A61F2013/53062—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having superabsorbent materials, i.e. highly absorbent polymer gel materials characterized by the form in fibres being made into a paper or non-woven
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention relates to the technical field of sanitary products, in particular to an ultra-soft high blood absorption type composite core body and a sanitary towel. The composite core body provided by the invention is flat, continuous in layering, fluffy and soft because the middle layer is fluffy cotton; the composite core body adopts the blood-absorbing high-molecular resin, and an optimal scheme is selected from the structural application of the composite core body, so that the blood-absorbing performance of the composite core body is improved, and the sanitary towel prepared by the composite core body has good flexibility, blood-absorbing performance and comfortableness.
Description
Technical Field
The invention relates to the technical field of sanitary products, in particular to an ultra-soft high blood absorption type composite core body and a sanitary towel.
Background
The sanitary towel absorption core on the market at present is mostly that wood pulp and absorbent resin mix and forms, and the structure is comparatively loose, appears the fault easily, if avoid this kind of phenomenon need with the wood pulp compaction in the in-process of production, this compliance that has not only influenced the product also can make blood infiltration time slow down. In addition, in the production process, the phenomena of poor wood pulp crushing, caking, uneven cotton core distribution of products and the like are easy to occur.
Most of the existing composite cores on the market at present are water-absorbing composite cores, the sanitary towel prepared by the composite cores is poor in dry performance, and the composite cores are high in polymer content and strong in granular sensation, but are poor in blood absorption performance and large in reverse osmosis amount although the water-absorbing performance is strong, not only is the cost high, but also the granular sensation of the product is obvious, the use feeling is influenced, and the composite cores are not very suitable for being applied to the sanitary towel.
Disclosure of Invention
In view of the above technical problems, a first aspect of the present invention provides an ultra-soft high blood-suction composite core, comprising: the paper comprises dust-free paper, first blood absorption type polymer resin, fluffy cotton non-woven fabric and second blood absorption type polymer resin which are sequentially stacked from top to bottom.
Furthermore, fluff pulp is arranged between the second blood-sucking type high molecular resin and the viscose spunlace non-woven fabric.
Further, the outer layer of the composite core body is also provided with a wrapping layer for wrapping the layers, and the base material of the wrapping layer is SMMS hydrophilic spun-bonded melt-blown composite non-woven fabric.
Further, the gram weight of the dust-free paper is 45-60 gsm.
Furthermore, the first blood absorption type high polymer resin and the second blood absorption type high polymer resin are functional monomer N-amino acid acrylamide modified sodium acrylate high-absorptivity resin, the gram weight of the first blood absorption type high polymer resin is not higher than that of the second blood absorption type high polymer resin, the gram weight of the first blood absorption type high polymer resin is 25-75gsm, the gram weight of the second blood absorption type high polymer resin is 75-150gsm, and the gram weight setting can enable liquid to be concentrated on the lower layer in a liquid absorption process, increase the dryness and refreshment of the upper layer and reduce the rewet volume.
Further, the specification of the fluffy cotton non-woven fabric is 30-60 gsm.
Further, the fluff pulp has a size of 15-50 gsm.
Further, the size of the viscose spunlace non-woven fabric is 40-60 gsm.
Further, the SMMS hydrophilic spunbonded melt-blown composite non-woven fabric has the specification of 10-15 gsm.
The dust-free paper has good blood absorption and blood retention, can quickly capture blood, ensures quick infiltration of the blood and reduces the reverse osmosis amount. Compared with the upper layer made of absorbent paper, the liquid infiltration time of the dust-free paper is faster, and the infiltration amount is equivalent; compared with the upper layer which is made of wood pulp spunlace, the liquid infiltration time is equivalent, the rewet amount is better, and the blood occult effect is better.
The first blood absorption type high molecular resin has good absorption of menstrual blood, the blood comprises water and a small amount of protein, the protein is macromolecular substance and has larger volume, the aperture of the common high absorption resin is very small, the macromolecular substance is difficult to absorb, the sodium polyacrylate high absorption resin introduces functional monomer N-amino acid based acrylamide, and the natural amino acid structure of the resin has excellent compatibility with the protein. And carboxyl groups exist in the monomer, so that better water absorption is maintained. The polymer grammes per square metre of lower floor respectively is 50gsm in this scheme, compares with the compound core that traditional polymer grammes per square metre respectively is 100gsm, and 5mL liquid second time and third infiltration time are about 2 seconds fast, and total reverse osmosis volume is corresponding, has reduceed product cost and product graininess when guaranteeing the performance.
The villus pulp can help increase blood absorption and reduce reverse osmosis.
The viscose spunlace non-woven fabric has good hygroscopicity and strong diffusivity. The blood is concentrated in the lower layer of the core body to keep the upper layer dry and comfortable.
The SMMS hydrophilic spun-bonded melt-blown composite non-woven fabric with low gram weight of the wrapping layer has good air permeability and hydrophilicity.
As a second aspect of the present invention, a sanitary napkin is provided, which comprises a surface layer for making menstrual blood infiltrate downwards, an absorbent core for absorbing menstrual blood, and a base film for preventing menstrual blood from infiltrating, the absorbent core being the ultra-soft high blood absorption type composite core as described above, which are arranged in this order from top to bottom.
Furthermore, wet absorbent paper is arranged between the absorption core body and the bottom film of the sanitary towel.
Further, the gram weight of the wet-process absorbent paper is 60-90 gsm.
The 60-90gsm wet-process absorbent paper is added under the composite core body, and due to the strong diffusion performance of the full-viscose spunlace fabric at the lower layer of the composite core body, the absorbent paper can contact blood in a larger area, the blood retention of the absorbent paper is strong, and the reverse osmosis amount of the product is reduced again. And the wet absorbent paper has good flexibility and thin thickness, and the whole thickness and the flexibility of the sanitary towel product cannot be influenced when the wet absorbent paper is used on the lower layer.
Compared with the prior art, the invention has the beneficial effects that:
1, the middle layer of the composite core body is fluffy cotton, so that the composite core body is flat, continuous in layering, fluffy and soft;
2 the composite core body provided by the invention adopts the blood-sucking type macromolecule, and adopts a better scheme from the structural application of the composite core body, thereby improving the blood-sucking performance of the composite core body.
3 the sanitary towel provided by the invention adopts the high blood absorption type composite core body with an optimized structure as the absorption core body, and has the advantages of good absorption of menstrual blood, softness, skin friendliness, no granular feeling and good use comfort.
Drawings
FIG. 1 is a schematic cross-sectional view of a high blood draw composite core according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure of a sanitary napkin according to an embodiment of the present invention.
The absorbent core comprises dust-free paper 1, first blood absorption type polymer resin 2, fluffy cotton non-woven fabric 3, second blood absorption type polymer trees 4, fluff pulp 5, viscose spunlace non-woven fabric 6, a wrapping layer 7, a surface layer 8, an absorption core body 9, a bottom membrane 10 and wet-process absorbent paper 11.
Detailed Description
The invention will be further illustrated by the following examples and figures.
As a first aspect of the present invention, as shown in fig. 1, there is provided a super soft high blood-suction type composite core, comprising: the composite core body is characterized by comprising dust-free paper 1, first blood absorption type high polymer resin 2, fluffy cotton non-woven fabric 3, second blood absorption type high polymer resin 4, fluff pulp 5 and viscose spunlace non-woven fabric 6 which are sequentially stacked from top to bottom, wherein a wrapping layer 7 is further arranged on the outer layer of the composite core body to wrap the layers, and a base material of the wrapping layer 7 is SMMS hydrophilic spun-bonded melt-blown composite non-woven fabric.
Specifically, the gram weight of the dust-free paper 1 is 45-60gsm, and the dust-free paper 1 has good blood absorption and blood retention, can capture blood quickly, ensures that the blood seeps down quickly, and reduces the reverse seepage amount. Compared with the upper layer made of absorbent paper, the liquid infiltration time of the dust-free paper is faster, and the infiltration amount is equivalent; compare for wood pulp spunlace cloth with the upper strata material, liquid infiltration time is equivalent, and the rewet volume is better and occult blood effect is better, and its absorption time is compared with other materials with the heavy burden rewet volume, and the result is as follows:
TABLE 1 comparison of the absorption time and the weight-bearing rewet of wood pulp spunlace, absorbent paper and dust-free paper (same other materials)
Specifically, the first blood absorption type high polymer resin 2 and the second blood absorption type high polymer resin 4 are functional monomer N-amino acid based acrylamide modified sodium acrylate high-absorptivity resin, and the gram weight of the resin is 45-60 gsm. The first blood absorption type high molecular resin 2 and the second blood absorption type high molecular resin 4 absorb menstrual blood well, the blood comprises water and a small amount of protein, the protein is macromolecular substance, the volume is large, the aperture of the common high absorption resin is small, the adsorption of the macromolecular substance is difficult, the sodium polyacrylate high absorption resin introduces functional monomer N-amino acid based acrylamide, and the natural amino acid structure of the sodium polyacrylate high absorption resin has excellent compatibility with the protein. And carboxyl groups exist in the monomer, so that better water absorption is maintained. When the grammage of the first blood-sucking polymer resin 2 and the second blood-sucking polymer resin 4 is 50gsm respectively, compared with the traditional composite core body with the grammage of the polymer water-absorbing resin 100gsm respectively, the second infiltration time and the third infiltration time of 5mL liquid are about 2 seconds faster, the total reverse infiltration amount is equivalent, the product cost and the granular sensation of the product are reduced while the performance is ensured, and the results are shown in a table 2:
TABLE 250gsm comparison of absorption time and load rewet of first and second blood-absorbing polymeric resins and 100gsm conventional polymeric water-absorbent resin (same other materials)
Specifically, fluffy cotton non-woven fabrics 3's specification is 35-50gsm, and this fluffy cotton non-woven fabrics 3 has loose porous structure, can make first blood absorption type macromolecular resin 2 and second blood absorption type macromolecular resin 4 adhere to its upper and lower surfaces, can be with the compliance that increases this compound core, simultaneously to its adhesion fixed action of blood absorption type macromolecular resin of its upper and lower surface, more preferred, this fluffy cotton non-woven fabrics 3 sets up surface area about further increasing with wavy or its upper and lower surface sets up the concave-convex structure of regular spread, in order to increase the adhesion and the fixed to first blood absorption type macromolecular resin 2 and second blood absorption type macromolecular resin 4.
Specifically, the size of the fluff pulp 5 is 15-50gsm, and the fluff pulp 5 can assist in increasing the blood absorption capacity and reducing the reverse osmosis capacity.
Specifically, the size of the viscose spunlace non-woven fabric 6 is 40-60gsm, and the viscose spunlace non-woven fabric 6 is good in moisture absorption and strong in diffusion. The blood is concentrated in the lower layer of the core body to keep the upper layer dry and comfortable.
Specifically, the SMMS hydrophilic spunbonded meltblown composite non-woven fabric is 10-15gsm, and the SMMS hydrophilic spunbonded meltblown composite non-woven fabric with the low gram weight of the wrapping layer 7 has good air permeability and hydrophilicity.
Example 1
An ultra-soft high blood absorption type composite core body comprises a piece of dust-free paper 1, a first blood absorption type high molecular resin 2, a fluffy cotton non-woven fabric 3, a second blood absorption type high molecular resin 4, fluff pulp 5 and viscose spunlace non-woven fabric 6 which are sequentially stacked from top to bottom, the outer layer of the composite core body is also provided with a wrapping layer 7 for wrapping the layers, the base material of the wrapping layer 7 is SMMS hydrophilic spun-bonded melt-blown composite non-woven fabric, wherein the gram weight of the dust-free paper is 50gsm, the first blood absorption type macromolecular resin and the second blood absorption type macromolecular resin are functional monomer N-amino acid group acrylamide modified sodium acrylate high-absorptivity resin, the gram weight of the fluffy cotton non-woven fabric is 50gsm, the specification of the fluffy cotton non-woven fabric is 40gsm, the specification of the fluff pulp is 30gsm, the specification of viscose spunlace non-woven fabric is 50gsm, and the specification of SMMS hydrophilic spun-bonded melt-blown composite non-woven fabric is 10 gsm.
Example 2
An ultra-soft high blood absorption type composite core body comprises a piece of dust-free paper 1, a first blood absorption type high molecular resin 2, a fluffy cotton non-woven fabric 3, a second blood absorption type high molecular resin 4, fluff pulp 5 and viscose spunlace non-woven fabric 6 which are sequentially stacked from top to bottom, the outer layer of the composite core body is also provided with a wrapping layer 7 for wrapping the layers, the base material of the wrapping layer 7 is SMMS hydrophilic spun-bonded melt-blown composite non-woven fabric, wherein the gram weight of the dust-free paper is 55gsm, the first blood absorption type high molecular resin 2 and the second blood absorption type high molecular resin 4 are functional monomer N-amino acid based acrylamide modified sodium acrylate high-absorptivity resin, the gram weight of the fluffy cotton non-woven fabric is 55gsm, the specification of the fluffy cotton non-woven fabric is 45gsm, the specification of the fluff pulp is 40gsm, the specification of the viscose spunlace nonwoven fabric is 55gsm, and the specification of the SMMS hydrophilic spunbonded meltblown composite nonwoven fabric is 15 gsm.
In the invention, in order to reduce the overall thickness of the ultra-soft high blood absorption type composite core, the ultra-soft high blood absorption type composite core only comprises dust-free paper 1, first blood absorption type high polymer resin 2, fluffy cotton non-woven fabric 3, second blood absorption type high polymer resin 4 and viscose spunlace non-woven fabric 6 which are sequentially stacked from top to bottom, and the fluff pulp layer 5 can be selectively arranged according to the required liquid absorption amount and the core thickness.
In addition, the wrapping layer 7 arranged on the outer layer of the composite core body is used for assisting in fixing the above layers, and the wrapping layer 7 can also be selectively arranged because the layers are relatively fixed through a bonding mode such as adhesive bonding or thermal bonding or a fixing mode such as pressure fixing.
As a second aspect of the present invention, there is provided a sanitary napkin, as shown in fig. 2, comprising a surface layer 8 for making menstrual blood infiltrate down, an absorbent core 9 for absorbing menstrual blood and a base film 10 for preventing menstrual blood from permeating, which are arranged in this order from top to bottom, wherein the absorbent core is a super-soft high blood absorption type composite core as described above.
As an expansion example of the sanitary towel, in order to further increase the blood retention of the sanitary towel, wet absorbent paper 11 is also arranged between the absorption core body and the bottom film of the sanitary towel, and the gram weight of the wet absorbent paper 11 is 60-90 gsm.
The wet-process absorbent paper 11 with 60-90gsm, such as 70 or 80gsm gram weight, is added under the composite core, because of the strong diffusion performance of the full-viscose spunlace fabric at the lower layer of the composite core, the absorbent paper can contact blood in a larger area, the blood retention of the absorbent paper is strong, the reverse osmosis amount of the product is reduced again, and the wet-process absorbent paper has good flexibility and thin thickness, and the whole thickness and flexibility of the sanitary towel product cannot be influenced when being used at the lower layer.
As a second expanded embodiment of the sanitary napkin, in order to further increase the liquid permeability and reverse osmosis prevention of the sanitary napkin, the lower surface of the wet absorbent paper 11 of the sanitary napkin is further provided with a blood coagulation layer, the lower surface of the surface layer of the sanitary napkin is provided with an anticoagulant layer, the anticoagulant layer can rapidly coagulate the menstrual blood permeating into the bottom layer, so as to prevent reverse osmosis of the menstrual blood, the anticoagulant layer can prevent the menstrual blood on the surface from coagulating into a larger volume, so as to hinder osmosis of the menstrual blood, the anticoagulant layer can be an anticoagulant blood coating using a non-woven fabric as a base material, the anticoagulant includes, but is not limited to, sodium citrate, the blood coagulation layer is a blood coagulation coating using a non-woven fabric as a base material, and the coagulant includes, but is not limited to, tranexamic acid.
In addition, in order to increase the antibacterial property of the sanitary napkin, the lower surface of the surface layer 8 is further provided with an antibacterial layer, the antibacterial layer is a non-woven fabric layer which takes non-woven fabric as a base material and is coated with an antibacterial agent, and the antibacterial agent includes but is not limited to probiotic freeze-dried powder and the like.
It should be noted that in the description of the present invention, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience and simplicity of describing the present invention, but do not indicate or imply that the devices or elements shown must have specific orientations or positional relationships, and thus, the present invention should not be construed as being limited. The term "connected" in the present invention is to be understood as a broad connection, and may be, for example, a mechanical connection, an electrical connection, or a connection between elements, and may be a direct connection or an indirect connection via an intermediate. The meaning of the above-mentioned terms in the present invention can be specifically understood by those skilled in the art according to the actual situation.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a compound core of super soft high blood suction type which characterized in that: comprises dust-free paper, a first blood absorption type high polymer resin, fluffy cotton non-woven fabric, a second blood absorption type high polymer resin and viscose spunlace non-woven fabric which are sequentially stacked from top to bottom.
2. The ultra-soft high blood-suction type composite core body as claimed in claim 1, wherein: fluff pulp is arranged between the second blood-sucking type high polymer resin and the viscose spunlace non-woven fabric.
3. The ultra-soft high blood-suction type composite core body as claimed in claim 1, wherein: the outer layer of the composite core body is also provided with a wrapping layer for wrapping the layers, and the base material of the wrapping layer is SMMS hydrophilic spun-bonded melt-blown composite non-woven fabric.
4. The ultra-soft high blood-suction type composite core body as claimed in claim 1, wherein: the gram weight of the dust-free paper is 45-60 gsm.
5. The ultra-soft high blood-suction type composite core body as claimed in claim 1, wherein: the first blood absorption type high polymer resin and the second blood absorption type high polymer resin are functional monomer N-amino acid based acrylamide modified sodium acrylate high-absorptivity resin, the gram weight of the first blood absorption type high polymer resin is not higher than that of the second blood absorption type high polymer resin, the gram weight of the first blood absorption type high polymer resin is 25-75gsm, and the gram weight of the second blood absorption type high polymer resin is 75-150 gsm.
6. The ultra-soft high blood draw composite core of claim 1, wherein: the specification of the fluffy cotton non-woven fabric is 30-60 gsm.
7. The ultra-soft high blood-suction type composite core body as claimed in claim 2, wherein: the fluff pulp has a size of 15-50 gsm.
8. The ultra-soft high blood draw composite core of claim 1, wherein: the specification of the viscose spunlace non-woven fabric is 40-60 gsm.
9. The ultra-soft high blood-suction type composite core body as claimed in claim 1, wherein: the SMMS hydrophilic spun-bonded melt-blown composite non-woven fabric has the specification of 10-15 gsm.
10. The utility model provides a sanitary towel, includes the face layer that is used for making the menstrual blood infiltration, is used for the absorptive absorption core of menstrual blood and is used for preventing the basement membrane of menstrual blood infiltration that top-down set gradually, its characterized in that: the absorbent core is a super soft high blood draw composite core according to any one of claims 1 to 9.
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| CN202111651635.4A CN114522027A (en) | 2021-12-30 | 2021-12-30 | Super-soft high blood absorption type composite core and sanitary towel |
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| CN202111651635.4A CN114522027A (en) | 2021-12-30 | 2021-12-30 | Super-soft high blood absorption type composite core and sanitary towel |
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