CN116999246A - Composite surface layer of sanitary products and preparation method thereof - Google Patents
Composite surface layer of sanitary products and preparation method thereof Download PDFInfo
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- CN116999246A CN116999246A CN202311026098.3A CN202311026098A CN116999246A CN 116999246 A CN116999246 A CN 116999246A CN 202311026098 A CN202311026098 A CN 202311026098A CN 116999246 A CN116999246 A CN 116999246A
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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
- A61F13/45—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 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 specially adapted to be worn around the waist, e.g. diapers or nappies
- A61F13/496—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 specially adapted to be worn around the waist, e.g. diapers or nappies in the form of pants or briefs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15585—Apparatus or processes for manufacturing of babies' napkins, e.g. diapers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15617—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—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
-
- 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
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- 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
- A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- 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
- A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
- A61F2013/15934—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for making non-woven
- A61F2013/15991—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for making non-woven in making composite multi-layered product
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- Engineering & Computer Science (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Chemical & Material Sciences (AREA)
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Abstract
本发明涉及一种卫生用品复合面层，其自上而下依次由面层、导流层、吸水层和扩散层组成，所述导流层和扩散层均由ES纤维和木浆的混合纤维组成，所述吸水层由高分子吸水树脂组成，导流层均匀渗透有高分子吸水树脂；所述面层采用热风无纺布或ES纤维。本发明的导流层和扩散层均由ES纤维和木浆按照重量比0.35：0.65制作成混合纤维，ES纤维在烘箱加热后热熔起到粘结作用，在减少了粘合剂用量的同时，由于热熔粘合将材料粘的更加牢固，避免了结团、断裂，保证了复合面层的稳定性，在热熔粘合与疏水渗水两方面达到最佳的性能平衡。
The invention relates to a composite surface layer of sanitary products, which is composed of a surface layer, a flow guide layer, a water-absorbent layer and a diffusion layer in order from top to bottom. The flow guide layer and the diffusion layer are both made of mixed fibers of ES fiber and wood pulp. The water-absorbing layer is composed of polymer water-absorbing resin, and the flow-guiding layer is evenly penetrated with polymer water-absorbing resin; the surface layer is made of hot-air non-woven fabric or ES fiber. The flow guide layer and diffusion layer of the present invention are both made of ES fiber and wood pulp into mixed fibers according to the weight ratio of 0.35:0.65. The ES fiber is hot-melted after being heated in the oven to play a bonding role, while reducing the amount of adhesive. , because hot-melt bonding bonds the material more firmly, avoids agglomeration and breakage, ensures the stability of the composite surface layer, and achieves the best performance balance between hot-melt bonding and hydrophobicity and water penetration.
Description
Technical Field
The utility model belongs to the technical field of sanitary products, and particularly relates to a composite surface layer of a sanitary product and a preparation method thereof.
Background
At present, sanitary napkins sold on the market generally consist of six layers of structures, and the manufacturing process generally comprises the steps of laying a bottom film, spraying hot melt adhesive, laying a water absorbing core body, laying a middle small core body, laying a diversion non-woven fabric, spraying hot melt adhesive and laying cloth. In the prior art, the composite core is usually formed by fluff pulp or non-woven fabrics, and in order to improve the absorption performance of the composite core, a polymer water-absorbing layer is added in the composite core, but in the use process of the sanitary towel, the composite water-absorbing core is easy to generate the conditions of agglomeration, fracture or rolling and the like. And because the multilayer structure cannot be self-adhesive, an adhesive is needed, and each layer takes time in the manufacturing process, so that the production speed is increased in the process of producing and manufacturing the composite core body.
Chinese patent CN115137563a discloses a composite core of disposable sanitary towel and its processing method, comprising a dust-free paper layer, an upper absorption layer, a middle expansion cloth layer, a lower absorption layer, a lower dust-free paper layer and a lower expansion cloth layer in sequence from top to bottom; all layers are fixedly connected through hot melt adhesive to form a complete composite core body of the disposable sanitary towel. The composite core body is of a six-layer structure, and the manufacturing process of the composite core body structure needs to spend a great deal of time on the fabric, so that the production speed is slow, and the production efficiency is low.
Chinese patent CN219148240U discloses an extremely dry composite core, comprising a surface layer, a first water-absorbent resin layer, a middle layer, a second water-absorbent resin layer and a bottom layer, which are sequentially arranged from top to bottom, wherein the surface layer is a composite non-woven fabric, and the composite non-woven fabric is a non-woven fabric with low liquid storage capacity; the middle layer is dust-free paper or toilet paper. The composite core body comprises five layers of materials, namely a surface layer, a first water-absorbent resin layer, a middle layer, a second water-absorbent resin layer and a bottom layer, which are sequentially arranged from top to bottom, wherein the surface layer and the bottom layer are made of composite non-woven fabrics, and the middle layer is made of dust-free paper or toilet paper. The composite core body is of a five-layer structure, and the composite core body adopts a plurality of layers of fabrics, and the fabrics do not have self-adhesion, so that adhesion needs to be carried out one by one in the production process, a large amount of time is required to be spent on adhesion in the production process, time is not saved, and the production speed is reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the composite surface layer of the sanitary product and the preparation method thereof, thereby replacing a multi-layer fabric structure except a bottom film and a water absorption core in the sanitary towel, improving the production speed of the sanitary towel and providing support for realizing the efficient production of the sanitary towel.
In order to achieve the above object, the present utility model provides the following solutions: the composite surface layer of the sanitary article sequentially comprises a surface layer, a diversion layer, a water absorption layer and a diffusion layer from top to bottom, wherein the diversion layer and the diffusion layer are both composed of mixed fibers of ES fibers and wood pulp, the water absorption layer is composed of high-molecular water absorption resin, and the diversion layer is uniformly permeated with the high-molecular water absorption resin; the surface layer is made of hot air non-woven fabrics or ES fibers.
Preferably, the diversion layer and the diffusion layer are both prepared from ES fiber and wood pulp according to a weight ratio of 0.35:0.65 is made into mixed fiber.
Preferably, the dosage of the surface layer, the flow guiding layer and the diffusion layer is 10-80g/m respectively 2 。
Preferably, the dosage of the water-absorbing layer high molecular water-absorbing resin is 5-300g/m 2 。
Preferably, the ES fiber has a melting point between 130 ℃ and 180 ℃.
Preferably, the layers of the composite facing are bonded by ES fiber hot melt. The ES fibers play a role in overall bonding after being heated.
Preferably, the widths of the surface layer, the diversion layer, the water absorption layer and the diffusion layer are kept consistent.
Preferably, the composite facing has a width of 160cm.
The preparation method of the composite surface layer of the sanitary article comprises the following sequential steps:
(1) Spreading the surface layer on a workbench, wherein an exhaust fan and a vibrator are arranged below the surface layer;
(2) Under the action of an exhaust fan, paving a diversion layer on the surface layer;
(3) The water absorption layer is paved on the diversion layer, and under the action of an exhaust fan and a vibrator, the high polymer water absorption resin particles uniformly permeate into the diversion layer;
(4) Under the action of an exhaust fan, paving the diffusion layer on the water absorption layer;
(5) Drying in an oven at 130-180deg.C;
(6) And cooling the dried composite surface layer, and carrying out rolling treatment.
The utility model has the following technical effects:
1. according to the utility model, the surface layer, the flow guide layer, the water absorption layer and the diffusion layer are manufactured into the composite surface layer, so that semi-finished products are provided for subsequent manufacturing of sanitary articles such as sanitary napkins, paper diapers and the like, and the production efficiency of the sanitary articles is improved;
2. the weight ratio of ES fiber to wood pulp is 0.35:0.65 is manufactured into mixed fibers, and the ES fibers are subjected to hot melting after being heated by an oven to play a role in bonding, so that the consumption of an adhesive is reduced, meanwhile, the materials are more firmly bonded due to hot melting bonding, agglomeration and fracture are avoided, the stability of a composite surface layer is ensured, and the optimal performance balance is achieved in the aspects of firmness and hydrophobic water seepage of the composite surface layer;
3. because the macromolecule water-absorbent resin particles uniformly infiltrate into the diversion layer, the water absorption speed is accelerated, so that the downward seepage liquid is rapidly diverted to the water absorption layer and the diffusion layer, and the overall water absorption performance is optimal.
Drawings
FIG. 1 is a schematic structural view of a composite facing layer of the present sanitary article.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be specifically described below with reference to the accompanying drawings.
Example 1
As shown in figure 1, the composite surface layer of the sanitary article sequentially comprises a surface layer 1, a diversion layer 2, a water absorption layer 3 and a diffusion layer 4 from top to bottom, wherein the diversion layer 2 and the diffusion layer 4 are both formed by mixed fibers of ES fibers and wood pulp, the water absorption layer 3 is formed by high-molecular water absorption resin, and the high-molecular water absorption resin uniformly permeates into the diversion layer 2; the surface layer 1 adopts hot air non-woven fabrics or ES fibers, and the surface layer 1 is a skin contact surface.
The composite surface layers are bonded by means of ES fiber hot melting, the melting point of the ES fiber is 130-180 ℃, and the ES fiber plays a role in integrally bonding the inner parts of the composite surface layers after being heated, so that the step of bonding by using an adhesive is omitted, and the composite surface layers are firmer.
The widths of the surface layer 1, the diversion layer 2, the water absorption layer 3 and the diffusion layer 4 in the composite surface layer are kept consistent, the specific width is 160cm, and the composite surface layer is cut into 8cm or other suitable dimensions in the process of manufacturing the sanitary towel.
The dosage of the surface layer, the diversion layer and the diffusion layer is 10-80g/m < 2 >. The dosage of the high molecular water-absorbing resin in the water-absorbing layer 3 is 5-300g/m 2 。
In the utility model, the diversion layer 2 and the diffusion layer 4 are both composed of mixed fibers of ES fibers and wood pulp, and the weight ratio of the ES fibers to the wood pulp is 0.35:0.65 mix. The ES fiber plays a role of a hot melt adhesive, the wood pulp plays a role of liquid diversion, and after the ES fiber and the wood pulp are matched according to the weight, the optimal performance balance is achieved in the aspects of firmness and hydrophobic water seepage of the composite surface layer.
Example 2
As shown in fig. 1, a method for preparing a composite surface layer of a sanitary article comprises the following steps:
(1) Spreading the surface layer 1 on a workbench, wherein an exhaust fan and a vibrator are arranged below the surface layer 1;
(2) Under the action of an exhaust fan, paving a diversion layer 2 on the surface layer 1;
(3) The water absorption layer 3 is paved on the diversion layer 2, and under the action of an exhaust fan and a vibrator, the high polymer water absorption resin particles uniformly infiltrate into the diversion layer 2;
(4) Under the action of an exhaust fan, paving the diffusion layer 4 on the water absorption layer 3;
(5) Drying in an oven at 130-180deg.C; because the melting point of the ES fibers is between 130 ℃ and 180 ℃, the purpose of heating and drying is to bond the surface layer 1, the diversion layer 2, the water absorption layer 3 and the diffusion layer 4 in the composite surface layer for the purpose of the ES fibers hot melting;
(6) And cooling the dried composite surface layer, and carrying out rolling treatment to obtain the composite surface layer.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (9)
1. A composite surface layer of a sanitary article, which is characterized in that: the water-absorbing layer consists of a high-molecular water-absorbing resin, and the diversion layer is uniformly permeated with the high-molecular water-absorbing resin; the surface layer is made of hot air non-woven fabrics or ES fibers.
2. The composite facing for a sanitary article of claim 1, wherein: the weight ratio of the ES fiber to the wood pulp is 0.35:0.65 is made into mixed fiber.
3. The composite facing for a sanitary article of claim 1, wherein: the dosage of the surface layer, the diversion layer and the diffusion layer is 10-80g/m respectively 2 。
4. A composite facing for a sanitary article according to claim 1 or 3, wherein: the dosage of the water-absorbing layer macromolecule water-absorbing resin is 5-300g/m 2 。
5. The composite facing for a sanitary article of claim 1, wherein: the melting point of the ES fibers is 130-180 ℃.
6. The composite facing for a sanitary article of claim 1, wherein: and each layer of the composite surface layer is bonded by ES fibers through hot melting.
7. The composite facing for a sanitary article of claim 1, wherein: the widths of the surface layer, the diversion layer, the water absorption layer and the diffusion layer are kept consistent.
8. The composite facing for sanitary products according to claim 1 or 7, wherein: the width of the composite surface layer is 160cm.
9. A method of making a composite facing for a sanitary article according to claim 1, comprising the sequential steps of:
(1) Spreading the surface layer on a workbench, wherein an exhaust fan and a vibrator are arranged below the surface layer;
(2) Under the action of an exhaust fan, paving a diversion layer on the surface layer;
(3) The water absorption layer is paved on the diversion layer, and under the action of an exhaust fan and a vibrator, the high polymer water absorption resin particles uniformly permeate into the diversion layer;
(4) Under the action of an exhaust fan, paving the diffusion layer on the water absorption layer;
(5) Drying in an oven at 130-180deg.C;
(6) And cooling the dried composite surface layer, and carrying out rolling treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311026098.3A CN116999246A (en) | 2023-08-15 | 2023-08-15 | Composite surface layer of sanitary products and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311026098.3A CN116999246A (en) | 2023-08-15 | 2023-08-15 | Composite surface layer of sanitary products and preparation method thereof |
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| CN116999246A true CN116999246A (en) | 2023-11-07 |
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| CN202311026098.3A Pending CN116999246A (en) | 2023-08-15 | 2023-08-15 | Composite surface layer of sanitary products and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118022035A (en) * | 2024-01-29 | 2024-05-14 | 广东美登新材料科技有限公司 | Memory core and preparation method and application thereof |
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| CN206867350U (en) * | 2017-01-25 | 2018-01-12 | 深圳市前海州福科技有限公司 | Compound core body sanitary napkin |
| CN109610241A (en) * | 2019-01-17 | 2019-04-12 | 佛山市益贝达卫生材料有限公司 | A kind of thin dust-free paper for liquid absorption and preparation method thereof |
| WO2019128372A1 (en) * | 2017-12-29 | 2019-07-04 | 深圳职业技术学院 | Gauze pad |
| CN111249069A (en) * | 2020-02-29 | 2020-06-09 | 浙江振宇吸水材料有限公司 | A kind of non-adhesive reverse absorption water absorbent core and preparation process thereof |
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| CN206867350U (en) * | 2017-01-25 | 2018-01-12 | 深圳市前海州福科技有限公司 | Compound core body sanitary napkin |
| WO2019128372A1 (en) * | 2017-12-29 | 2019-07-04 | 深圳职业技术学院 | Gauze pad |
| CN109610241A (en) * | 2019-01-17 | 2019-04-12 | 佛山市益贝达卫生材料有限公司 | A kind of thin dust-free paper for liquid absorption and preparation method thereof |
| CN111249069A (en) * | 2020-02-29 | 2020-06-09 | 浙江振宇吸水材料有限公司 | A kind of non-adhesive reverse absorption water absorbent core and preparation process thereof |
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| CN118022035A (en) * | 2024-01-29 | 2024-05-14 | 广东美登新材料科技有限公司 | Memory core and preparation method and application thereof |
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