CN113017989A - Preparation method of ultrathin breathable sanitary towel - Google Patents
Preparation method of ultrathin breathable sanitary towel Download PDFInfo
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- CN113017989A CN113017989A CN202110219181.7A CN202110219181A CN113017989A CN 113017989 A CN113017989 A CN 113017989A CN 202110219181 A CN202110219181 A CN 202110219181A CN 113017989 A CN113017989 A CN 113017989A
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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
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
- A61F2013/15292—Resistance, i.e. modulus or strength
-
- 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
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
- A61F2013/15544—Permeability
- A61F2013/15552—Air permeability
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Manufacturing & Machinery (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)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention relates to the technical field of female sanitary products, in particular to a preparation method of an ultrathin breathable sanitary towel, which comprises the following steps: (1) preparing a skin-friendly surface layer: the skin-friendly surface layer is made of hydrophilic non-woven fabric; (2) preparing an absorption core body: shearing and mixing cotton fibers and bamboo fibers, then carrying out melt extrusion to form composite fibers, cooling the composite fibers, forming a net, bonding and reinforcing, and then coating a water absorbing material with the composite fibers to obtain an absorbing core body; the water absorbing material is formed by mixing high-molecular water absorbing resin and sodium hydroxy cellulose; (3) preparing a bottom film: respectively manufacturing a TPU film and a base fabric, and attaching the TPU film to the outer side of the base fabric to obtain a base film; (4) and (3) sequentially stacking and compounding the skin-friendly surface layer obtained in the step (1), the absorption core body obtained in the step (2) and the base membrane obtained in the step (3), sequentially compounding an adhesive layer and release paper on the outer side of the base membrane, folding and bagging to obtain a sanitary towel finished product.
Description
Technical Field
The invention relates to the technical field of female sanitary products, in particular to a preparation method of an ultrathin breathable sanitary towel.
Background
Along with the development of economy and the improvement of living standard, people put forward higher and higher requirements on the quality and grade of sanitary towel products, pay more attention to the comfort, health care, high-grade and fashion of the products, and require that the fabric not only has soft hand feeling and soft luster, but also has the functions of moisture absorption and ventilation.
Investigation showed that 73% of women experience local skin itching, burning pain during the menstrual period. This is due in large part to the use of air impermeable sanitary napkins. The skin of the pudendal region is similar in construction to the skin of the lips, and the ideal environment for both regions of skin is not too dry or too moist. The delicate skin needs a very breathable environment, and although many products in the market claim to have breathability, the bottom film is only the breathable bottom film, and the absorbent core is a sanitary towel main body, which is a mixture of dense wood pulp and high polymer, so the breathability is poor, and the breathability of the whole sanitary towel is not ideal. The female menstrual period is the weakest period of autoimmunity, and menstrual blood contains rich nutrient substances, so that the menstrual blood is easy to become a culture medium for breeding bacteria, and the reproductive tract ecosystem of one of three major ecosystems of a human body is easy to destroy, so that the concept of health and hygiene is strengthened, and a high-quality breathable sanitary towel is selected for caring the menstrual blood, so that the situation that the moist environment in the menstrual period promotes the breeding of bacteria, the balance of the reproductive system is destroyed, and a lot of inconvenience is brought to work and life is avoided.
Disclosure of Invention
Therefore, in order to solve the problems, the invention provides a method for preparing an ultrathin breathable sanitary towel, and the sanitary towel prepared by the method has the advantages of comfort, good water absorption, high breathability and good effect of inhibiting bacterial growth.
In order to achieve the purpose, the invention adopts the following technical scheme: a preparation method of an ultrathin breathable sanitary towel comprises the following steps:
(1) preparing a skin-friendly surface layer: the skin-friendly surface layer is made of hydrophilic non-woven fabric;
(2) preparing an absorption core body: shearing and mixing cotton fibers and bamboo fibers, then carrying out melt extrusion to form composite fibers, cooling the composite fibers, forming a net, bonding and reinforcing, and then coating a water absorbing material with the composite fibers to obtain an absorbing core body;
the water absorbing material is formed by mixing high-molecular water absorbing resin and sodium hydroxy cellulose;
(3) preparing a bottom film: respectively manufacturing a TPU film and a base fabric, and attaching the TPU film to the outer side of the base fabric to obtain a base film;
(4) and (3) sequentially stacking and compounding the skin-friendly surface layer obtained in the step (1), the absorption core body obtained in the step (2) and the base membrane obtained in the step (3), sequentially compounding an adhesive layer and release paper on the outer side of the base membrane, and folding and bagging to obtain the sanitary towel finished product.
Further improvement, the mass ratio of the high-molecular water-absorbing resin to the sodium hydroxy cellulose is 100: 10-30.
Further improvement, spraying an antibacterial solution on the skin-friendly surface layer obtained in the step (1) for antibacterial treatment, and then drying at the drying temperature of 70 ℃, wherein the moisture regain after drying is controlled to be 6-9%.
Further improved, the bacteriostatic solution is prepared by adding 1-2 g of chitosan and 1-2 g of chitooligosaccharide into every 100ml of purified water.
The further improvement is that the weight ratio of the cotton fibers to the bamboo fibers in the step (3) is 1: 1-2.
In a further improvement, the TPU film in step (3) is provided with air-permeable micropores at intervals, the air-permeable micropores are funnel-shaped, the diameter of the air-permeable micropores at one end of the funnel-shaped small opening is smaller than 0.4nn and larger than 0.3nn, and the TPU film has one side surface of the funnel-shaped small opening and is attached to the base layer fabric.
In a further improvement, the base layer fabric in the step (3) is prepared by adopting the following method:
b1, mixing the nylon fibers, the polyester fibers and the cotton fibers in a mass ratio: nylon fiber: polyester fiber: 2-3% of cotton fiber: 6-8: 1-2, weighing and proportioning;
b2, opening and removing impurities from the nylon fibers, the polyester fibers and the cotton fibers respectively, sending the cotton fibers into a carding machine for carding and forming a net to obtain a nylon fiber net, a polyester fiber net and a cotton fiber net respectively, superposing the nylon fiber net, the polyester fiber net and the cotton fiber net on line, carrying out multi-channel spunlace treatment, entangling and reinforcing the net, and finally drying at the temperature of 120-140 ℃ to obtain the base fabric.
In a further improvement, the hydrophilic non-woven fabric is ES hot air hydrophilic non-woven fabric.
By adopting the technical scheme, the invention has the beneficial effects that:
the water absorbing material adopted by the invention is formed by mixing the macromolecular water absorbing resin and the sodium hydroxy cellulose, and the sodium hydroxy cellulose is dissolved after absorbing water so that the macromolecular water absorbing resin after absorbing water has a certain pore shape, thereby greatly improving the defect that the macromolecular water absorbing resin has poor air permeability after absorbing liquid; the absorption core body is made of bamboo fibers, cotton fibers and high-molecular water absorption materials which are matched with one another, so that the sanitary towel has super-strong water absorption performance, the comfortable sensation of the sanitary towel is enhanced, and the peculiar smell absorption, sterilization and bacteriostasis effects of the sanitary towel are improved; in the bottom film, the TPU film is provided with funnel-shaped breathable micropores, and the aperture of the breathable micropores at one end of the funnel-shaped small opening is less than 0.4nn, so that the TPU film is breathable and watertight, and the breathability of the sanitary towel is ensured; the base fabric of the bottom film adopts reasonable component proportion, has the nylon fiber, the polyester fiber and the cotton fiber, can improve the air permeability of the base fabric, and in addition, the nylon fiber is added in the base fabric, so that the breaking strength of the bottom film can be improved, and the situation that the bottom film is damaged when the sanitary towel is replaced is avoided; hydrophilic non-woven fabrics is the hot-blast hydrophilic non-woven fabrics of ES, has characteristics such as gentle soft, low temperature processing energy saving and nontoxic nonirritant, has increased the travelling comfort of sanitary towel, can promote the quick conveying of liquid simultaneously, avoids the edge leakage, and it passes through antibacterial treatment simultaneously, can effectively restrain the microorganism and breed, further reduces the infection.
Detailed Description
The invention will now be further described with reference to specific embodiments.
The embodiment provides a preparation method of an ultrathin breathable sanitary towel, which comprises the following steps:
(1) preparing a skin-friendly surface layer: the skin-friendly surface layer is made of hydrophilic non-woven fabric, antibacterial solution is sprayed on the skin-friendly surface layer for antibacterial treatment, then drying is carried out, the drying temperature is 70 ℃, and the moisture regain after drying is controlled to be 6% -9%;
the bacteriostatic solution is prepared by 1.5g of chitosan and 1.5g of chitooligosaccharide in every 100ml of purified water;
(2) preparing an absorption core body: shearing and mixing cotton fibers and bamboo fibers in a weight ratio of 1:1, then carrying out melt extrusion to form composite fibers, cooling the composite fibers, forming a net, bonding and reinforcing, and then coating a water absorbing material with the composite fibers, wherein the filling amount of the water absorbing material is 2500g/m2Obtaining an absorption core body;
the water absorbing material is formed by mixing high molecular water absorbing resin and sodium hydroxy cellulose according to the mass ratio of 100: 20;
(3) preparing a bottom film: respectively manufacturing a TPU film and a base fabric, and attaching the TPU film to the outer side of the base fabric to obtain a base film;
the TPU film is provided with ventilating micropores at intervals, the ventilating micropores are funnel-shaped, the pore diameter of the ventilating micropores at one end of the small funnel-shaped opening is 0.38nn, and the surface of one side, provided with the small funnel-shaped opening, of the TPU film is attached to the base layer fabric;
the base layer fabric is prepared by the following method:
b1, mixing the nylon fibers, the polyester fibers and the cotton fibers in a mass ratio: nylon fiber: polyester fiber: cotton fiber 2: 7: 1, weighing and proportioning;
b2, opening and removing impurities from the nylon fibers, the polyester fibers and the cotton fibers respectively, sending the nylon fibers, the polyester fibers and the cotton fibers into a carding machine for carding and forming a net to obtain a nylon fiber net, a polyester fiber net and a cotton fiber net respectively, superposing the nylon fiber net, the polyester fiber net and the cotton fiber net on line, carrying out multi-channel spunlace treatment, entangling and reinforcing the net, and finally drying at the temperature of 120-140 ℃ to obtain the base fabric;
(4) and (3) sequentially stacking and compounding the skin-friendly surface layer obtained in the step (1), the absorption core body obtained in the step (2) and the base membrane obtained in the step (3), sequentially compounding an adhesive layer and release paper on the outer side of the base membrane, and folding and bagging to obtain the sanitary towel finished product.
In this embodiment, the bacteriostatic solution may be prepared by adding 1-2 g of chitosan and 1-2 g of chitooligosaccharide to 100ml of purified water.
The mass ratio of the high-molecular water-absorbing resin to the sodium hydroxy cellulose is preferably 100: 10-30, the air permeability is optimized under the condition that the sanitary towel does not influence the absorption of liquid, and meanwhile, the filling amount of the water absorbing material is 1800-2The water-absorbing agent has better water absorption and is not easy to agglomerate.
The weight ratio of the cotton fibers to the bamboo fibers is preferably 1: 1-2, the water absorption performance and the antibacterial effect are optimal, and the water absorption performance is reduced along with the increase of the content of the bamboo fibers.
The pore diameter of the ventilating micropores of the TPU film at one end of the funnel-shaped small opening is preferably less than 0.4nn and more than 0.3nn, so that the TPU film can be waterproof and effectively ventilate.
The mass ratio of the nylon fiber, the polyester fiber and the cotton fiber in the base fabric can also be as follows: nylon fiber: polyester fiber: 2-3% of cotton fiber: 6-8: 1 to 2.
The water absorbing material adopted by the invention is formed by mixing the macromolecular water absorbing resin and the sodium hydroxy cellulose, and the sodium hydroxy cellulose is dissolved after absorbing water so that the macromolecular water absorbing resin after absorbing water has a certain pore shape, thereby greatly improving the defect that the macromolecular water absorbing resin has poor air permeability after absorbing liquid; the absorption core body is made of bamboo fibers, cotton fibers and high-molecular water absorption materials which are matched with one another, so that the sanitary towel has super-strong water absorption performance, the comfortable sensation of the sanitary towel is enhanced, and the peculiar smell absorption, sterilization and bacteriostasis effects of the sanitary towel are improved; in the bottom film, the TPU film is provided with funnel-shaped breathable micropores, and the aperture of the breathable micropores at one end of the funnel-shaped small opening is less than 0.4nn, so that the TPU film is breathable and watertight, and the breathability of the sanitary towel is ensured; the base fabric of the bottom film adopts reasonable component proportion, has the nylon fiber, the polyester fiber and the cotton fiber, can improve the air permeability of the base fabric, and in addition, the nylon fiber is added in the base fabric, so that the breaking strength of the bottom film can be improved, and the situation that the bottom film is damaged when the sanitary towel is replaced is avoided; hydrophilic non-woven fabrics is the hot-blast hydrophilic non-woven fabrics of ES, has characteristics such as gentle soft, low temperature processing energy saving and nontoxic nonirritant, has increased the travelling comfort of sanitary towel, can promote the quick conveying of liquid simultaneously, avoids the edge leakage, and it passes through antibacterial treatment simultaneously, can effectively restrain the microorganism and breed, further reduces the infection.
It is to be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used merely for convenience in describing and simplifying the invention, and do not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and thus are not to be considered as limiting.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A preparation method of an ultrathin breathable sanitary towel is characterized by comprising the following steps: the method comprises the following steps:
(1) preparing a skin-friendly surface layer: the skin-friendly surface layer is made of hydrophilic non-woven fabric;
(2) preparing an absorption core body: shearing and mixing cotton fibers and bamboo fibers, then carrying out melt extrusion to form composite fibers, cooling the composite fibers, forming a net, bonding and reinforcing, and then coating a water absorbing material with the composite fibers to obtain an absorbing core body;
the water absorbing material is formed by mixing high-molecular water absorbing resin and sodium hydroxy cellulose;
(3) preparing a bottom film: respectively manufacturing a TPU film and a base fabric, and attaching the TPU film to the outer side of the base fabric to obtain a base film;
(4) and (3) sequentially stacking and compounding the skin-friendly surface layer obtained in the step (1), the absorption core body obtained in the step (2) and the base membrane obtained in the step (3), sequentially compounding an adhesive layer and release paper on the outer side of the base membrane, folding and bagging to obtain a sanitary towel finished product.
2. The method of making an ultrathin breathable sanitary napkin as claimed in claim 1, wherein: the mass ratio of the high-molecular water-absorbing resin to the sodium hydroxy cellulose is 100: 10-30.
3. The method of making an ultrathin breathable sanitary napkin as claimed in claim 2, wherein: and (2) spraying an antibacterial solution on the skin-friendly surface layer obtained in the step (1) for antibacterial treatment, and then drying at the drying temperature of 70 ℃, wherein the moisture regain after drying is controlled to be 6-9%.
4. The method of making an ultrathin breathable sanitary napkin as claimed in claim 3, wherein: the bacteriostatic solution is prepared from 1-2 g of chitosan and 1-2 g of chitosan oligosaccharide in every 100ml of purified water.
5. The method of making an ultrathin breathable sanitary napkin as claimed in claim 4, wherein: the weight ratio of the cotton fibers to the bamboo fibers in the step (3) is 1: 1-2.
6. A method of making an ultra-thin breathable sanitary napkin according to any one of claims 1 to 5, wherein: the TPU film in step (3) is provided with ventilating micropores at intervals, the ventilating micropores are funnel-shaped, the aperture of the ventilating micropores at one end of the funnel-shaped small opening is smaller than 0.4nn and larger than 0.3nn, and the TPU film is provided with one side surface of the funnel-shaped small opening and is attached to the base layer fabric.
7. The method of making an ultrathin breathable sanitary napkin as claimed in claim 6, wherein: the base layer fabric in the step (3) is prepared by adopting the following method:
b1, mixing the nylon fibers, the polyester fibers and the cotton fibers in a mass ratio: nylon fiber: polyester fiber: 2-3% of cotton fiber: 6-8: 1-2, weighing and proportioning;
b2, opening and removing impurities from the nylon fibers, the polyester fibers and the cotton fibers respectively, sending the cotton fibers into a carding machine for carding and forming a net to obtain a nylon fiber net, a polyester fiber net and a cotton fiber net respectively, superposing the nylon fiber net, the polyester fiber net and the cotton fiber net on line, carrying out multi-channel spunlace treatment, entangling and reinforcing the net, and finally drying at the temperature of 120-140 ℃ to obtain the base fabric.
8. The method of making an ultrathin breathable sanitary napkin as claimed in claim 7, wherein: the hydrophilic non-woven fabric is ES hot air hydrophilic non-woven fabric.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110219181.7A CN113017989A (en) | 2021-02-26 | 2021-02-26 | Preparation method of ultrathin breathable sanitary towel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110219181.7A CN113017989A (en) | 2021-02-26 | 2021-02-26 | Preparation method of ultrathin breathable sanitary towel |
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| CN113017989A true CN113017989A (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110219181.7A Pending CN113017989A (en) | 2021-02-26 | 2021-02-26 | Preparation method of ultrathin breathable sanitary towel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116492145A (en) * | 2023-04-28 | 2023-07-28 | 江苏宝姿实业有限公司 | Antibacterial and deodorizing sanitary towel and preparation process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116492145A (en) * | 2023-04-28 | 2023-07-28 | 江苏宝姿实业有限公司 | Antibacterial and deodorizing sanitary towel and preparation process thereof |
| CN116492145B (en) * | 2023-04-28 | 2023-09-26 | 江苏宝姿实业有限公司 | Antibacterial and deodorizing sanitary towel and preparation process thereof |
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