CN113017990A - Preparation method of special sanitary pad for non-menstrual period - Google Patents
Preparation method of special sanitary pad for non-menstrual period Download PDFInfo
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- CN113017990A CN113017990A CN202110219187.4A CN202110219187A CN113017990A CN 113017990 A CN113017990 A CN 113017990A CN 202110219187 A CN202110219187 A CN 202110219187A CN 113017990 A CN113017990 A CN 113017990A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000000835 fiber Substances 0.000 claims abstract description 57
- 229920000742 Cotton Polymers 0.000 claims abstract description 35
- 239000004744 fabric Substances 0.000 claims abstract description 26
- 239000010410 layer Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 238000004049 embossing Methods 0.000 claims abstract description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 10
- 241001330002 Bambuseae Species 0.000 claims abstract description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 10
- 239000011425 bamboo Substances 0.000 claims abstract description 10
- 239000002344 surface layer Substances 0.000 claims abstract description 10
- 238000013329 compounding Methods 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- 239000011358 absorbing material Substances 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 5
- 239000012790 adhesive layer Substances 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 238000010008 shearing Methods 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims abstract description 3
- 229920001778 nylon Polymers 0.000 claims description 26
- 229920000728 polyester Polymers 0.000 claims description 26
- 239000011347 resin Substances 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 238000011282 treatment Methods 0.000 claims description 8
- 238000009960 carding Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 230000002175 menstrual effect Effects 0.000 claims 9
- 238000010521 absorption reaction Methods 0.000 description 14
- 230000003385 bacteriostatic effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000035699 permeability Effects 0.000 description 7
- 210000002469 basement membrane Anatomy 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 210000004379 membrane Anatomy 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 229920001661 Chitosan Polymers 0.000 description 3
- 230000002401 inhibitory effect Effects 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 230000007794 irritation Effects 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 231100000956 nontoxicity Toxicity 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- RQFQJYYMBWVMQG-IXDPLRRUSA-N chitotriose Chemical compound O[C@@H]1[C@@H](N)[C@H](O)O[C@H](CO)[C@H]1O[C@H]1[C@H](N)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)N)[C@@H](CO)O1 RQFQJYYMBWVMQG-IXDPLRRUSA-N 0.000 description 1
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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
- A61F13/15577—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
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
-
- 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
- A61F13/15764—Transferring, feeding or handling devices; Drives
-
- 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
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
- A61F2013/15715—Shaping or making outer layers
Landscapes
- 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)
- Mechanical Engineering (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention relates to the technical field of female sanitary products, in particular to a preparation method of a special sanitary pad for non-menstrual period, which comprises the following steps: (1) respectively pressing a 3D embossing structure on the upper surface and the lower surface of an ES hot air hydrophilic non-woven fabric by embossing equipment to obtain a skin-friendly surface layer; (2) 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 high-molecular water-absorbing material with the composite fibers to obtain a water-absorbing layer; (3) 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 in the step (1), the water absorbing layer in the step (2) and the base membrane 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 a sanitary pad finished product.
Description
Technical Field
The invention relates to the technical field of female sanitary products, in particular to a preparation method of a special sanitary pad for non-menstrual period.
Background
The sanitary pad is convenient to use, is popular among women, is used by some people even on days except menstrual period, is not used as frequently as replacing a sanitary towel when most users use the sanitary pad, and is usually used for more than 12 hours each day.
The grant announcement day 2007, 12.12.78, grant announcement No. CN200987739Y, discloses a feminine pad, comprising a waterproof salivating layer, a fluffy layer attached to the waterproof salivating layer, a drug-carrying layer attached to the fluffy layer, a drug-carrying release sheet attached to the drug-carrying layer, and a drug-permeable layer covering the periphery of the drug-carrying release sheet and connected with the waterproof salivating layer into a whole. The protective pad with the structure has the disadvantages of complex structure, thick thickness, poor flexibility, strong friction feeling during use, poor comfort and limitation on air permeability.
Disclosure of Invention
Therefore, in order to solve the problems, the invention provides a preparation method of a sanitary pad special for non-menstrual period, and the prepared sanitary pad has the advantages of comfort, no stuffy feeling and moist feeling, better water absorption, high air permeability and good effect of inhibiting the growth of bacteria.
In order to achieve the purpose, the invention adopts the following technical scheme: a preparation method of a special sanitary pad for non-menstrual period comprises the following steps:
(1) respectively pressing a 3D embossing structure on the upper surface and the lower surface of an ES hot air hydrophilic non-woven fabric by embossing equipment to obtain a skin-friendly surface layer;
(2) 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 high-molecular water-absorbing material with the composite fibers to obtain a water-absorbing layer;
(3) 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 in the step (1), the water absorbing layer in the step (2) and the base membrane 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 a sanitary pad finished product.
The ES hot air hydrophilic non-woven fabric is further improved, and the gram weight of the ES hot air hydrophilic non-woven fabric is 12-20 g/m2The fiber fineness is 1.5D-3D.
The further improvement is that the weight ratio of the cotton fibers to the bamboo fibers in the step (2) is 1: 1-2.
In a further improvement, the TPU film of step (3) is prepared by the following method:
a1, extrusion: adding TPU resin into an extruder, melting and plasticizing the resin by the extruder, and then extruding the resin from a machine head through a slit die opening;
a2, rolling and cooling: after extruding out of the die orifice, the resin is pressed and cooled by a three-roller calender to form a primary TPU film;
a3, cooling and conveying: the primary TPU film is conveyed out by utilizing a three-stage cooling conveying roller, and the TPU film is formed at the moment;
a4, rolling: and the TPU film is cooled, conveyed and wound on a winding shaft.
In a further improvement, the melting temperature of the TPU resin is 170-205 ℃.
In a further improvement, after the step a3, punching a TPU film to form air-permeable micropores, wherein the air-permeable micropores are funnel-shaped, and the TPU film has a small funnel-shaped side surface to be attached to the base fabric.
In a further improvement, the pore diameter of the air-permeable micropores at one end of the funnel-shaped small opening is less than 0.4 nn.
Further improved, the base fabric obtained in the step (3) comprises polyamide fiber, polyester fiber and cotton fiber, and the mass ratio of the components is as follows: nylon fiber: polyester fiber: 2-3% of cotton fiber: 6-8: 1 to 2.
In a further improvement, the base layer fabric obtained in the step (3) is prepared by the following method:
b1, weighing and proportioning the nylon fiber, the polyester fiber and the cotton fiber according to the mass ratio;
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 to form a web, and obtaining a nylon fiber web, a polyester fiber web and a cotton fiber web respectively, wherein the mass ratio of the nylon fiber, the polyester fiber and the cotton fiber web is 1-2: 3-5: 1-3 of the nylon fiber net, the polyester fiber net and the cotton fiber net are superposed on line, and the fiber nets are entangled and reinforced through multiple spunlace treatments, and finally dried at the temperature of 120-140 ℃ to obtain the base fabric.
The ES hot air hydrophilic non-woven fabric in the step (1) is subjected to bacteriostatic treatment before embossing, a spraying device is used for spraying bacteriostatic solution on the ES hot air hydrophilic non-woven fabric, and then the ES hot air hydrophilic non-woven fabric is dried, wherein the drying temperature is 70 ℃, and 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.
By adopting the technical scheme, the invention has the beneficial effects that: the surface layer of the invention adopts ES hot air hydrophilic non-woven fabric, which has the characteristics of softness, low-temperature processing, energy conservation, no toxicity, no irritation and the like, increases the comfort of the pad, can promote the rapid transmission of liquid, accelerates the diversion effect by arranging a 3D embossing structure, and provides a buffer space for the liquid which is not absorbed by the water absorption layer; the water absorption layer adopts bamboo fiber, cotton fiber and macromolecule water absorption materials which are matched with each other, so that the protection pad has super water absorption performance, the comfort of the protection pad is enhanced, and the peculiar smell absorption, sterilization and bacteriostasis effects of the protection pad are improved; in the bottom film, the TPU film is provided with funnel-shaped breathable micropores, and the pore diameter 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 protection pad is ensured; the base fabric of the basement membrane adopts reasonable component proportion, has the nylon fibers, the polyester fibers and the cotton fibers, can improve the air permeability of the base fabric, and can improve the breaking strength of the basement membrane and avoid the damage of the basement membrane when the protection pad is replaced due to the addition of the nylon fibers in the base fabric; furthermore, the breeding of microorganisms can be effectively inhibited through bacteriostatic treatment, so that the infection is further reduced; in conclusion, the sanitary pad prepared by the method is comfortable, has no stuffy feeling and moist feeling, has better water absorbability and high air permeability, and simultaneously has good effect of inhibiting the growth of bacteria.
Detailed Description
The invention will now be further described with reference to specific embodiments.
Example one
The embodiment provides a preparation method of a special sanitary pad for non-menstrual period, which comprises the following steps:
(1) the gram weight is 12-20 g/m2The method comprises the steps of firstly carrying out bacteriostatic treatment on ES hot air hydrophilic non-woven fabric with the fiber fineness of 1.5D-3D, spraying bacteriostatic solution on the ES hot air hydrophilic non-woven fabric through spraying equipment, then drying, wherein the drying temperature is 70 ℃, the moisture regain after drying is controlled to be 6% -9%, the bacteriostatic solution is prepared by 1-2 g of chitosan and 1-2 g of chitosan oligosaccharide in every 100ml of purified water, and then respectively extruding 3D embossing structures on the upper surface and the lower surface of the bacteriostatic solution through embossing equipment to obtain the hydrophilic ES non-woven fabric with the fiber fineness of 1.5D-3DA skin surface layer;
(2) 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 high polymer water-absorbing material with the composite fibers to obtain a water-absorbing layer, wherein the filling amount of the high polymer water-absorbing material is 2000g/m2；
(3) 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 prepared by the following method:
a1, extrusion: adding TPU resin into an extruder, melting and plasticizing the resin by the extruder, wherein the melting temperature of the TPU resin is 170-205 ℃, and then extruding the TPU resin from a machine head through a slit die opening;
a2, rolling and cooling: after extruding out of the die orifice, the resin is pressed and cooled by a three-roller calender to form a primary TPU film;
a3, cooling and conveying: the primary TPU film is conveyed out by utilizing a three-stage cooling conveying roller, and the TPU film is formed at the moment;
a4, punching: punching a TPU film to form a ventilating micropore, wherein the ventilating micropore is funnel-shaped, the aperture of the ventilating micropore at one end of a 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 a base layer fabric;
a5, rolling: the TPU film is cooled, conveyed and wound on a winding shaft;
the base fabric comprises the following components in percentage by mass: nylon fiber: polyester fiber: cotton fiber 2: 7: 1, which is prepared by the following method:
b1, weighing and proportioning the nylon fiber, the polyester fiber and the cotton fiber according to the mass ratio;
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 to form a web, and obtaining a nylon fiber web, a polyester fiber web and a cotton fiber web respectively, wherein the mass ratio of the nylon fiber, the polyester fiber and the cotton fiber web is 1: 4: and 2, superposing the nylon fiber net, the polyester fiber net and the cotton fiber net on line, carrying out multiple spunlace treatments, entangling and reinforcing the fiber nets, 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 in the step (1), the water absorbing layer in the step (2) and the base membrane 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 a sanitary pad finished product.
In the embodiment, 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; meanwhile, considering that the secretion of women is less during non-menstrual period, the filling amount of the high molecular water absorbing material is 1800-2The air permeability of the protection pad is ensured while better water absorption is ensured.
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 surface layer of the invention adopts ES hot air hydrophilic non-woven fabric, which has the characteristics of softness, low-temperature processing, energy conservation, no toxicity, no irritation and the like, increases the comfort of the pad, can promote the rapid transmission of liquid, accelerates the diversion effect by arranging a 3D embossing structure, and provides a buffer space for the liquid which is not absorbed by the water absorption layer; the water absorption layer adopts bamboo fiber, cotton fiber and macromolecule water absorption materials which are matched with each other, so that the protection pad has super water absorption performance, the comfort of the protection pad is enhanced, and the peculiar smell absorption, sterilization and bacteriostasis effects of the protection pad are improved; in the bottom film, the TPU film is provided with funnel-shaped breathable micropores, and the pore diameter 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 protection pad is ensured; the base fabric of the basement membrane adopts reasonable component proportion, has the nylon fibers, the polyester fibers and the cotton fibers, can improve the air permeability of the base fabric, and can improve the breaking strength of the basement membrane and avoid the damage of the basement membrane when the protection pad is replaced due to the addition of the nylon fibers in the base fabric; furthermore, the breeding of microorganisms can be effectively inhibited through bacteriostatic treatment, so that the infection is further reduced; in conclusion, the sanitary pad prepared by the method is comfortable, has no stuffy feeling and moist feeling, has better water absorbability and high air permeability, and simultaneously has good effect of inhibiting the growth of bacteria.
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 the invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and thus should not be considered as limiting the invention.
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 (10)
1. A preparation method of a special sanitary pad for non-menstrual period is characterized in that: the method comprises the following steps:
(1) respectively pressing a 3D embossing structure on the upper surface and the lower surface of an ES hot air hydrophilic non-woven fabric by embossing equipment to obtain a skin-friendly surface layer;
(2) 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 high-molecular water-absorbing material with the composite fibers to obtain a water-absorbing layer;
(3) 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 in the step (1), the water absorbing layer in the step (2) and the base membrane 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 a sanitary pad finished product.
2. The method of making a sanitary pad for non-menstrual use according to claim 1, wherein: the gram weight of the ES hot air hydrophilic non-woven fabric is 12-20 g/m2The fiber fineness is 1.5D-3D.
3. The method of making a sanitary pad for non-menstrual use according to claim 1, wherein: the weight ratio of the cotton fibers to the bamboo fibers in the step (2) is 1: 1-2.
4. The method of making a sanitary pad for non-menstrual use according to claim 1, wherein: the TPU film of the step (3) is prepared by adopting the following method:
a1, extrusion: adding TPU resin into an extruder, melting and plasticizing the resin by the extruder, and then extruding the resin from a machine head through a slit die opening;
a2, rolling and cooling: after extruding out of the die orifice, the resin is pressed and cooled by a three-roller calender to form a primary TPU film;
a3, cooling and conveying: the primary TPU film is conveyed out by utilizing a three-stage cooling conveying roller, and the TPU film is formed at the moment;
a4, rolling: and the TPU film is cooled, conveyed and wound on a winding shaft.
5. The method of making a sanitary pad for non-menstrual use according to claim 4, wherein: the melting temperature of the TPU resin is 170-205 ℃.
6. The method of making a sanitary pad for non-menstrual use according to claim 4, wherein: and b, punching the TPU film after the step a3 to form ventilating micropores, wherein the ventilating micropores are funnel-shaped, and the surface of one side of the TPU film, which is provided with a funnel-shaped small opening, is attached to the base layer fabric.
7. The method of making a sanitary pad for non-menstrual use according to claim 6, wherein: the aperture of the air-permeable micropores at one end of the funnel-shaped small opening is less than 0.4 nn.
8. The method of making a sanitary pad for non-menstrual use according to claim 1, wherein: the base fabric in the step (3) comprises polyamide fiber, polyester fiber and cotton fiber, and the mass ratio of the components is as follows: nylon fiber: polyester fiber: 2-3% of cotton fiber: 6-8: 1 to 2.
9. The method of making a sanitary pad for non-menstrual use according to claim 8, wherein: the base layer fabric in the step (3) is prepared by the following method:
b1, weighing and proportioning the nylon fiber, the polyester fiber and the cotton fiber according to the mass ratio;
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 to form a web, respectively obtaining a nylon fiber web, a polyester fiber web and a cotton fiber web, and mixing the components in a mass ratio of 1-2: 3-5: 1-3 of the nylon fiber net, the polyester fiber net and the cotton fiber net are superposed on line, and the fiber nets are entangled and reinforced through multiple spunlace treatments, and finally dried at the temperature of 120-140 ℃ to obtain the base fabric.
10. A method of making a non-menstrual dedicated sanitary pad according to any one of claims 1 to 9 wherein: and (2) carrying out bacteriostasis treatment on the ES hot air hydrophilic non-woven fabric in the step (1) before embossing, spraying a bacteriostasis solution on the ES hot air hydrophilic non-woven fabric through spraying equipment, and then drying at the drying temperature of 70 ℃, wherein the moisture regain after drying is controlled to be between 6 and 9 percent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110219187.4A CN113017990A (en) | 2021-02-26 | 2021-02-26 | Preparation method of special sanitary pad for non-menstrual period |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110219187.4A CN113017990A (en) | 2021-02-26 | 2021-02-26 | Preparation method of special sanitary pad for non-menstrual period |
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| CN113017990A true CN113017990A (en) | 2021-06-25 |
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| CN202110219187.4A Pending CN113017990A (en) | 2021-02-26 | 2021-02-26 | Preparation method of special sanitary pad for non-menstrual period |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114311944A (en) * | 2021-12-08 | 2022-04-12 | 浙江彩蝶实业股份有限公司 | Preparation method of moisture permeable film laminated composite knitted fabric for protective clothing |
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