CN109316284B - Sanitary towel and preparation method thereof - Google Patents
Sanitary towel and preparation method thereof Download PDFInfo
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- CN109316284B CN109316284B CN201811076947.5A CN201811076947A CN109316284B CN 109316284 B CN109316284 B CN 109316284B CN 201811076947 A CN201811076947 A CN 201811076947A CN 109316284 B CN109316284 B CN 109316284B
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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
- A61F13/47—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
- A61F13/15577—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
- A61F13/45—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
- A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
- A61F13/4751—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
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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
- A61F13/51—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 outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/51121—Topsheet, i.e. the permeable cover or layer facing the skin characterised by the material
-
- 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
- A61F13/53704—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 an inhibiting function on liquid propagation
-
- 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
- A61F13/53743—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 position of the layer relative to the other layers
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- 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)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention discloses a sanitary towel and a preparation method thereof, belonging to the technical field of sanitary articles, and the technical key points are as follows: the utility model provides a sanitary towel, includes the sanitary towel body, the sanitary towel body is from up including the wrapping paper down in proper order according to the orientation when using, from type paper one, waterproof skin, absorb water the sandwich layer and the surface course permeates water, the wrapping paper, from type paper one, waterproof skin, absorb water the sandwich layer and permeate water and all be equipped with hot melt adhesive layer one between the surface course, still including the leak protection extension, the dismantled and assembled bonding in one side of leak protection extension is in the sanitary towel body, its opposite side is towards keeping away from one side of sanitary towel body extends in order to reduce the side leakage. The operator only needs to buy a type of sanitary towel, not only can reduce the extravagant phenomenon to the sanitary towel, moreover on the basis of guaranteeing sanitary towel safe in utilization, can also further improve the multi-purpose multi-term rate of utilization of above-mentioned sanitary towel.
Description
Technical Field
The invention belongs to the technical field of sanitary products, and particularly relates to a sanitary towel and a preparation method thereof.
Background
A sanitary napkin, also known as a sanitary napkin, is an absorbent material mainly made of cotton-like pulp and a polymeric absorbent for absorbing menstrual blood from the vagina when women have menstrual flow. It is divided into three major categories from the facing material: dry and comfortable net face sanitary napkins, soft cotton sanitary napkins and pure cotton sanitary napkins. Wherein, the sanitary towel can be divided into a surface layer, an absorption core and a bottom layer; meanwhile, materials of all layers are bonded by hot melt adhesive.
The utility model discloses a chinese utility model patent application with publication number CN207203002U discloses a chinese yew active oxygen anion sanitary towel, and it includes sanitary towel body, sanitary towel both sides and chinese yew iron sheet, the sanitary towel both sides adopt the integration to make with the sanitary towel body, and the sanitary towel both sides setting is in the both sides of sanitary towel body, the inboard central point that pastes at the sanitary towel body of chinese yew paster puts.
At present, the conventional sanitary towel for daily use in menstrual period is 200 mm and 300mm, at the moment, a user can only use the sanitary towel in daytime when buying the sanitary towel, another type of lengthened sanitary towel for night is needed to buy again at night, more than one bag of each type of sanitary towel is needed to buy every month (generally, 10 sanitary towels for daily use are used for one bag, and 5 sanitary towels for night use are used for one bag), and because the number of the sheets of the daily sanitary towel for each bag is large, the surplus sanitary towel for daily use can be basically unused every month. If the redundant daily sanitary napkins are left for a month and then are used continuously, the use quality and the safety of the sanitary napkins can be influenced due to poor storage modes; if directly thrown away, it will cause waste of resources. Therefore, a new technical solution is needed to solve the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a sanitary towel and a preparation method thereof, wherein an operator only needs to buy one type of sanitary towel, so that the waste phenomenon of the sanitary towel can be reduced, and the multipurpose multi-time utilization rate of the sanitary towel can be further improved on the basis of ensuring the use safety of the sanitary towel.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a sanitary towel, includes the sanitary towel body, the sanitary towel body is from up including the wrapping paper down in proper order according to the orientation when using, from type paper one, waterproof skin, absorb water the sandwich layer and the surface course permeates water, the wrapping paper, from type paper one, waterproof skin, absorb water the sandwich layer and permeate water and all be equipped with hot melt adhesive layer one between the surface course, still including the leak protection extension, the dismantled and assembled bonding in one side of leak protection extension is in the sanitary towel body, its opposite side is towards keeping away from one side of sanitary towel body extends in order to reduce the side leakage.
By adopting the technical scheme, when the menstrual period is daytime, an operator can complete daily requirements only by using the sanitary towel body; when the sanitary towel is used at night in the menstrual period, an operator can fixedly bond the leakage-proof extending part on any one or more directions of the rear wing, the side wing or the front wing of the sanitary towel body, so that the length or the width of the whole sanitary towel body is prolonged, and the multipurpose multi-time utilization rate of the sanitary towel is improved on the basis of ensuring that the side leakage phenomenon does not occur; but also reduces the waste caused by directly throwing away the sanitary towel.
The invention is further configured to: the periphery of the permeable surface layer is outwards extended with a non-woven fabric extension part, the non-woven fabric extension part is provided with a PE waterproof layer, and a triangular clamping layer used for bonding and fixing the leakage-proof extension part is formed between the PE waterproof layer and the waterproof outer layer.
By adopting the technical scheme, the non-woven fabric extending part can be in direct contact with the human skin, so that the non-woven fabric extending part is adopted instead of directly adopting the PE waterproof layer to be in direct contact with the human skin, the integral skin-friendly performance of the sanitary towel is improved, and the damp and stuffy feeling caused by poor air permeability are reduced.
The invention is further configured to: the inner wall of the triangular clamping layer is coated with a second hot melt adhesive layer, and the second hot melt adhesive layer is provided with a second release paper.
Through adopting above-mentioned technical scheme, when the daytime, the operator can be with the fin of sanitary towel outwards stretching gently, and two parts fixed by the hot melt adhesive are separated this moment, and above-mentioned triangle nip is put the layer and is unfolded into the plane, then takes off from type paper two, and the operator can regard it as general sanitary towel to use, convenience very. In addition, at night, the operator can take off the release paper II and then fixedly bond the anti-leakage extension part or other common sanitary towels (used as an extension part) in the triangular interlayer, so that the length of the sanitary towel can be extended, and the diversity of the using mode of the sanitary towel is increased.
The invention is further configured to: the leak protection extension includes leak protection waterproof layer, water absorption inner core layer and non-woven fabrics top layer.
By adopting the technical scheme, the basic leakage-proof performance of the sanitary towel is ensured due to the existence of the leakage-proof waterproof layer, and the absorption performance of the sanitary towel is improved due to the existence of the water-absorbing inner core layer; in addition, the non-woven fabric surface layer plays a role in isolation, the firmness of connection among the non-woven fabric surface layer, the non-woven fabric surface layer and the non-woven fabric surface layer is improved, and the water-absorbing inner core layer and the skin of a human body can be isolated from each other, so that the sanitation and the safety performance in use are improved.
The invention is further configured to: and a third hot melt adhesive layer is arranged on one side of the leakage-proof waterproof layer far away from the surface layer of the non-woven fabric.
Through adopting above-mentioned technical scheme, the existence of hot melt adhesive layer three from this can make things convenient for the operator to bond above-mentioned leak protection extension on sanitary trousers steadily, and convenience very and laborsaving.
The invention is further configured to: and release paper III is adhered to the hot melt adhesive layer III.
Through adopting above-mentioned technical scheme, from the existence of type paper three for sanitary towel conveniently preserves in the storage process, and can not influence the normal use in later stage, convenience and practicality very.
The invention is further configured to: the sanitary napkin is characterized in that protective wing structures are arranged on two sides of the sanitary napkin body, and each protective wing structure at least comprises protective wing release paper, a protective wing surface layer and a protective wing waterproof bottom layer.
By adopting the technical scheme, the side leakage phenomenon can be reduced due to the existence of the protective wing structure, and meanwhile, the installation stability of the sanitary towel in use can also be improved.
The invention is further configured to: the waterproof bottom layer and the waterproof outer layer of the protective wing are integrally formed.
Through adopting above-mentioned technical scheme, with the waterproof bottom of flap and waterproof outer integrated into one piece, improved the stability of being connected between the waterproof bottom of flap and the waterproof outer this moment, through the setting of the waterproof bottom of flap, when using, improved the firmness of sanitary towel in the adhesion in-process to effectively improved the stability of sanitary towel when using, further reduced the emergence of edge leakage phenomenon.
The invention is further configured to: the sanitary towel body, the leakage-proof extension part and the junction between the sanitary towel body and the leakage-proof extension part are all provided with diversion trenches.
Through adopting above-mentioned technical scheme, the setting of guiding gutter can play the drainage effect, and it can be with liquid from concentrating district drainage to its week, can accelerate the absorption to liquid from this. Secondly, the guiding gutter can also restrict the flow of liquid in certain direction to a certain extent, can play the effect that prevents the edge leakage from this, practicality very.
In view of the defects in the prior art, another object of the present invention is to provide a sanitary napkin and a method for making the same, which are convenient to operate and manufacture, and can further improve the multipurpose multi-time usage rate of the sanitary napkin on the basis of ensuring the use safety of the sanitary napkin.
In order to achieve the other purpose, the invention provides the following technical scheme: a method for preparing a sanitary towel comprises the following operation steps,
step one, mixing and compacting aseptic dried wood pulp fibers and high-molecular water-absorbent resin particles, fixing the wood pulp fibers and the high-molecular water-absorbent resin particles on the upper surface of a non-woven fabric by adopting a first hot melt adhesive layer, and then folding, cutting and fixing to obtain a water-absorbent core layer;
step two, applying glue on one side of the water absorption core layer obtained in the step one, then coating a permeable surface layer, and applying glue on the other side of the water absorption core layer, and then adhering a waterproof outer layer;
step three, folding the tail wing of the sanitary towel body, then performing glue applying and compacting treatment through the cotton core pressing grid, and cutting and forming to obtain a semi-finished sanitary towel with a triangular clamping layer;
step four, gluing the waterproof outer layer on one side far away from the semi-finished sanitary towel and between the triangular clamping layers, and respectively bonding a layer of release paper I and a layer of release paper II;
Fifthly, gluing one side of the release paper I, which is far away from the semi-finished product of the sanitary towel, and then adhering a layer of packaging paper to obtain a primary finished product of the sanitary towel;
conveying the primary sanitary towel product obtained in the step five through a compression roller, and performing groove pressing treatment on the primary sanitary towel product to obtain a sanitary towel with a diversion trench on the surface;
step seven, continuously conveying along with the compression roller, longitudinally folding the compression roller, and then cutting the compression roller into sections according to requirements to obtain a finished sanitary towel;
step eight, sequentially laminating, bonding and fixing the non-woven fabric surface layer and the water-absorbing inner core layer on the anti-leakage waterproof layer, then folding the periphery of the anti-leakage waterproof layer, coating the non-woven fabric surface layer and the water-absorbing inner core layer outside, then performing glue applying and press fitting treatment, performing glue applying treatment on the surface of the anti-leakage waterproof layer, and adhering a layer of release paper III to obtain an anti-leakage extending part;
and step nine, packaging and warehousing.
Through adopting above-mentioned technical scheme, fold the fin of sanitary towel body, press the net via cotton core to carry out glueing compaction processing after that, obtain the sanitary towel that has the triangle nip layer after the cutting shaping, above-mentioned operation not only can be folded sanitary towel, provides the space that supplies the leak protection extension to fix. Secondly, the operator can directly pull the empennage of the sanitary towel outwards, the triangular clamping layer is unfolded to form a plane at the moment, then the release paper II is taken down, and the operator can use the sanitary towel as a common sanitary towel, so that the sanitary towel is very convenient. In addition, at night, the operator can take off the release paper II and then fixedly bond the anti-leakage extension part or other common sanitary towels (used as an extension part) in the triangular interlayer, so that the length of the sanitary towel can be extended, and the diversity of the using mode of the sanitary towel is increased.
The manufacturing method of the sanitary towel is convenient to operate and manufacture, and can further improve the multipurpose multi-period utilization rate of the sanitary towel on the basis of ensuring the use safety of the sanitary towel.
In conclusion, the invention has the following beneficial effects:
1. the invention not only can reduce the waste phenomenon of the sanitary towel, but also can further improve the multipurpose multi-time utilization rate of the sanitary towel on the basis of ensuring the use safety of the sanitary towel;
2. the preparation method of the invention is convenient to operate and manufacture, and can further improve the multipurpose multi-period utilization rate of the sanitary towel on the basis of ensuring the use safety of the sanitary towel.
Drawings
FIG. 1 is an expanded view of one embodiment of the present invention;
FIG. 2 is an exploded view of one embodiment of the present invention, which is mainly used to show the relative position relationship between the wrapping paper, the first release paper, the waterproof outer layer, the water-absorbent core layer, and the water-permeable surface layer;
FIG. 3 is a perspective view of a sanitary napkin body according to one embodiment of the present invention;
FIG. 4 is a perspective view of a leakage prevention extension in one embodiment of the present invention;
FIG. 5 is an enlarged view of A in FIG. 4, which is mainly used to show the relative position relationship between the release paper III, the leakproof waterproof layer and the nonwoven fabric surface layer;
FIG. 6 is an exploded view of the leakage-proof extension part after removing the release paper in one embodiment of the present invention, which is mainly used to show the relative position relationship between the leakage-proof waterproof layer, the water-absorbent core layer and the nonwoven fabric surface layer.
Description of the drawings: 1. a sanitary napkin body; 2. wrapping paper; 3. release paper I; 4. a waterproof outer layer; 5. a water absorbent core layer; 6. a water permeable facing; 8. a leakage-proof extension part; 9. a non-woven fabric extension; 10. a PE waterproof layer; 11. a triangular clamping layer; 13. a second release paper; 14. a leakage-proof waterproof layer; 15. a water absorbent inner core layer; 16. a non-woven fabric surface layer; 18. release paper III; 19. a wing structure; 20. a diversion trench; 21. a flap facing; 22. the waterproof bottom layer of flap.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example 1: a sanitary towel, as shown in figures 1 and 2, comprises a sanitary towel body 1, wherein the sanitary towel body 1 sequentially comprises a packaging paper 2, a release paper 3, a waterproof outer layer 4, a water absorption core layer 5 and a water permeable surface layer 6 from bottom to top according to the orientation in use. Wherein, wrapping paper 2, from type paper 3, waterproof skin 4, the sandwich layer 5 that absorbs water and the surface course 6 that permeates water all are equipped with hot melt adhesive layer one (not shown in the figure), and above-mentioned hot melt adhesive layer one can adopt the EVA hot melt adhesive, from this via the fixed back of glueing pressfitting, can accomplish the preparation to whole sanitary towel body 1.
In order to increase the versatility of the sanitary napkin in use to reduce waste, the sanitary napkin further includes a leakage preventing extension 8 which can be stored separately, as shown in fig. 2. Wherein, one side of the leakage-proof extension part 8 is detachably adhered on the sanitary towel body 1, and the other side thereof extends towards the side far away from the sanitary towel body 1 to reduce side leakage. Therefore, when the menstrual period is daytime, the operator can complete daily requirements only by using the sanitary towel body 1; when the user is in the evening of the menstrual period, the operator can fixedly bond the leakage-proof extension part 8 on any one or more directions of the rear wing, the side wing or the front wing of the sanitary towel body 1, so that the length or the width of the whole sanitary towel body 1 is prolonged, and the multipurpose multi-period utilization rate of the sanitary towel is improved on the basis of ensuring that the side leakage phenomenon does not occur; but also reduces the waste caused by directly throwing away the sanitary towel.
As shown in fig. 2 and 3, in order to improve the skin-friendly performance of the entire sanitary napkin, a nonwoven fabric extension 9 is extended outward from the periphery of the water-permeable surface layer 6, a PE waterproof layer 10 is provided on the nonwoven fabric extension 9, and a triangular interlayer 11 for adhering and fixing the leakage-proof extension 8 is formed between the PE waterproof layer 10 and the waterproof outer layer 4. Because the non-woven fabric extension part 9 is in direct contact with the human skin, the non-woven fabric extension part 9 is adopted to be in direct contact with the human skin instead of the PE waterproof layer 10, so that the whole skin-friendly performance of the sanitary towel is improved, and the damp and stuffy feeling caused by poor air permeability are reduced.
In order to increase the versatility of the sanitary napkin during use, as shown in fig. 3, a second hot melt adhesive layer (not shown) is coated on the inner wall of the triangular clamping layer 11, and a second release paper 13 is arranged on the second hot melt adhesive layer. Therefore, in the daytime, an operator can slightly stretch the tail wing of the sanitary towel outwards, the two parts fixed by the hot melt adhesive are separated, the triangular clamping layer 11 is unfolded to form a plane, and then the second release paper 13 is taken down, so that the operator can use the sanitary towel as a common sanitary towel, and the sanitary towel is very convenient. At night, the operator can remove the second release paper 13 and then fix and bond the leakage-proof extension part 8 or other common sanitary napkins (used as an extension part) in the triangular clamping layer 11, so that the length of the sanitary napkin can be extended, and the diversity of the using mode of the sanitary napkin can be increased.
In order to improve the hygienic and safety performance in use, as shown in fig. 4 and 6, the leakage preventing extension 8 includes a leakage preventing waterproof layer 14, a water absorbent core layer 15, and a nonwoven fabric surface layer 16. The existence of the leakage-proof waterproof layer 14 ensures the basic leakage-proof performance of the sanitary towel, and the existence of the water-absorbing inner core layer 15 improves the absorption performance of the sanitary towel; in addition, the non-woven fabric surface layer 16 plays a role in isolation, so that the firmness of connection among the non-woven fabric surface layer 16, the non-woven fabric surface layer and the non-woven fabric surface layer is improved, and the water absorption inner core layer 15 and the skin of a human body can be isolated from each other, so that the sanitation and the safety performance in use are improved.
In order to improve the stability of the sanitary napkin during use, the leakproof waterproof layer 14 is provided with a third hot-melt adhesive layer (not shown) on the side far away from the non-woven fabric surface layer 16. The third hot melt adhesive layer can facilitate the operator to stably bond the leakage-proof extension part 8 on the sanitary pants, and is very convenient and labor-saving.
As shown in fig. 4 and 5, a third release paper 18 is adhered to the third hot melt adhesive layer for storage. And the existence of the release paper III 18 ensures that the sanitary towel is convenient to store in the storage process, and the normal use in the later period is not influenced, thereby being very convenient and practical.
As shown in fig. 1 and 3, in order to improve the stability of the sanitary napkin during installation, flap structures 19 are provided on both sides of the sanitary napkin body 1, and the flap structures 19 at least include flap release paper (not shown), flap surface layers 21, and flap waterproof backing layers 22. The existence of the wing structure 19 can reduce the occurrence probability of side leakage phenomenon, and can also improve the installation stability of the sanitary towel in use.
As shown in figure 2, the flap waterproof backsheet 22 is integrally formed with the waterproof outer layer 4 in order to reduce the occurrence of side leakage. From this with the waterproof bottom 22 of flap and waterproof outer 4 integrated into one piece, improved the stability of being connected between the waterproof bottom 22 of flap and the waterproof outer 4 this moment, through the setting of the waterproof bottom 22 of flap, when using, improved the firmness of sanitary towel in the adhesion in-process to effectively improved the stability of sanitary towel when using, further reduced the emergence of edge leakage phenomenon.
In order to further reduce the occurrence of side leakage, as shown in fig. 1 and fig. 2, the sanitary napkin body 1, the leakage-proof extension portion 8 and the border therebetween are provided with guiding grooves 20, and the guiding grooves 20 are grid-shaped concave grooves, so that the liquid can flow along the arrangement direction of the guiding grooves 20, and the guiding grooves can guide the liquid from the concentration region to the periphery thereof, thereby accelerating the absorption of the liquid. Secondly, guiding gutter 20 can also restrict the flow of liquid in certain direction to a certain extent, can play the effect that prevents the edge leakage from this, very practical.
Example 2: a method for preparing a sanitary napkin for use in the manufacture of the sanitary napkin of example 1, comprising the steps of:
step one, mixing and compacting the aseptically dried wood pulp fibers and the high-molecular water-absorbent resin particles, fixing the mixture on the upper surface of the non-woven fabric by adopting a hot-melt adhesive layer I, and then folding, cutting and fixing to obtain the water-absorbent core layer 5.
And step two, applying glue on one side of the water-absorbing core layer 5 obtained in the step one, then coating a water-permeable surface layer 6, and applying glue on the other side of the water-absorbing core layer, and then adhering a waterproof outer layer 4.
And step three, folding the tail wing of the sanitary towel body 1, then performing glue applying and compacting treatment through the cotton core pressing grid, and cutting and forming to obtain a semi-finished sanitary towel with the triangular clamping layer 11.
And step four, gluing the waterproof outer layer 4 on one side far away from the semi-finished sanitary towel and between the triangular clamping layers 11, and respectively bonding a layer of first release paper 3 and a layer of second release paper 13.
And step five, gluing the side of the release paper I3 far away from the semi-finished product of the sanitary towel, and then adhering a layer of packaging paper 2 to obtain the primary finished product of the sanitary towel.
And step six, conveying the sanitary towel primary finished product obtained in the step five through a compression roller, and performing groove pressing treatment on the sanitary towel primary finished product to obtain the sanitary towel with the diversion grooves 20 on the surface.
And step seven, continuously conveying along with the compression roller, longitudinally folding the compression roller, and then cutting the compression roller into sections according to requirements to obtain the finished sanitary towel.
And step eight, sequentially laminating, bonding and fixing the non-woven fabric surface layer 16 and the water-absorbing inner core layer 15 on the anti-leakage waterproof layer 14, folding the periphery of the anti-leakage waterproof layer 14, coating the non-woven fabric surface layer 16 and the water-absorbing inner core layer 15 outside, performing glue applying and pressing treatment, performing glue applying treatment on the surface of the anti-leakage waterproof layer 14, and adhering a layer of release paper III 18 to obtain the anti-leakage extending part 8.
And step nine, packaging and warehousing.
The use method comprises the following steps:
in daytime, an operator can slightly stretch the tail wing of the sanitary towel outwards, the two parts fixed by the hot melt adhesive are separated, the triangular clamping layer 11 is unfolded to be a plane, then the second release paper 13 is taken down and fixed on the sanitary pants, and therefore the sanitary towel can be used as a common sanitary towel.
At night, the operator can take off the second release paper 13, and then fixedly bond the leakage-proof extension part 8 or other common sanitary napkins (used as an extension part) in the triangular clamping layer 11, so that the length of the sanitary napkin can be extended, and then the sanitary napkin can be fixed on the sanitary pants.
The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a sanitary towel, includes sanitary towel body (1), sanitary towel body (1) is from up including wrapping paper (2), from type paper (3), waterproof outer layer (4), absorbent core layer (5) and face layer (6) permeate water down in proper order according to the orientation when using, wrapping paper (2), from type paper (3), waterproof outer layer (4), absorbent core layer (5) and permeate water all are equipped with hot melt adhesive layer (7), its characterized in that between face layer (6): the sanitary towel is characterized by further comprising a leakage-proof extending part (8), one side of the leakage-proof extending part (8) is detachably adhered to the sanitary towel body (1), the other side of the leakage-proof extending part extends towards one side far away from the sanitary towel body (1) to reduce side leakage, a non-woven fabric extending part (9) extends outwards from the peripheral side of the water-permeable surface layer (6), a PE waterproof layer (10) extends outwards from the peripheral side of the waterproof outer layer (4), and a triangular clamping layer (11) used for fixedly adhering the leakage-proof extending part (8) is formed between the PE waterproof layer (10) and the non-woven fabric extending part (9); a second hot melt adhesive layer (12) is coated on the inner wall of the triangular clamping layer (11), and a second release paper (13) is arranged on the second hot melt adhesive layer (12); the anti-leakage extending part (8) comprises an anti-leakage waterproof layer (14), a water-absorbing inner core layer (15) and a non-woven fabric surface layer (16);
The preparation of the sanitary napkin comprises the following operation steps,
step one, mixing and compacting aseptic dried wood pulp fibers and high-molecular water-absorbent resin particles, fixing the wood pulp fibers and the high-molecular water-absorbent resin particles on the upper surface of non-woven fabric by adopting a hot-melt adhesive layer I (7), and folding, cutting and fixing to obtain a water-absorbent core layer (5);
step two, applying glue on one side of the water absorption core layer (5) obtained in the step one, then coating a permeable surface layer (6), and applying glue on the other side of the water absorption core layer, and then adhering a waterproof outer layer (4);
thirdly, folding the triangular clamping layer (11) of the sanitary towel body (1), then performing glue applying and compacting treatment through the cotton core pressing grid, and cutting and forming to obtain a semi-finished sanitary towel product with the triangular clamping layer (11);
step four, gluing the waterproof outer layer (4) on one side far away from the semi-finished sanitary towel and between the triangular clamping layers (11), and respectively bonding a layer of release paper I (3) and a layer of release paper II (13);
fifthly, gluing one side of the release paper I (3) far away from the semi-finished product of the sanitary towel, and then adhering a layer of packaging paper (2) to obtain a primary finished product of the sanitary towel;
Conveying the primary sanitary towel finished product obtained in the step five through a compression roller, and performing groove pressing treatment on the primary sanitary towel finished product to obtain a sanitary towel with a diversion trench (20) on the surface;
step seven, continuously conveying along with the compression roller, longitudinally folding the compression roller, and then cutting the compression roller into sections according to requirements to obtain a finished sanitary towel;
step eight, sequentially laminating, bonding and fixing a non-woven fabric surface layer (16) and a water-absorbing inner core layer (15) on the anti-leakage waterproof layer (14), folding the periphery of the anti-leakage waterproof layer (14), wrapping the non-woven fabric surface layer (16) and the water-absorbing inner core layer (15), performing glue applying treatment and pressing treatment on the surface of the anti-leakage waterproof layer (14), and adhering a layer of release paper III (18) to obtain an anti-leakage extending part (8);
and step nine, packaging and warehousing.
2. A sanitary napkin as claimed in claim 1, wherein: and a third hot melt adhesive layer (17) is arranged on one side of the leakproof waterproof layer (14) far away from the non-woven fabric surface layer (16).
3. A sanitary napkin as claimed in claim 2, wherein: and a third release paper (18) is adhered to the third hot melt adhesive layer (17).
4. A sanitary napkin as claimed in any one of claims 1 to 3, wherein: the sanitary napkin is characterized in that wing structures (19) are arranged on two sides of the sanitary napkin body (1), and the wing structures (19) at least comprise wing release paper, a wing surface layer (21) and a wing waterproof bottom layer (22).
5. A sanitary napkin as claimed in claim 4, wherein: the waterproof bottom layer (22) of the protective wing and the waterproof outer layer (4) are integrally formed.
6. A sanitary napkin as claimed in claim 5, wherein: the sanitary towel body (1), the leakage-proof extension part (8) and the junction between the sanitary towel body and the leakage-proof extension part are all provided with a diversion trench (20).
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| CN110013384B (en) * | 2019-05-14 | 2021-06-15 | 福建恒安家庭生活用品有限公司 | Preparation method of absorbent article |
| CN111228041B (en) * | 2020-02-20 | 2021-09-03 | 上海舒晓实业有限公司 | Bacteriostatic reverse osmosis prevention sanitary towel and processing method thereof |
| CN113456354A (en) * | 2021-06-30 | 2021-10-01 | 江苏三笑集团有限公司 | Tea polyphenol bacteriostatic odor-removing high-polymer strong-adsorption sanitary towel and preparation method thereof |
| CN113576765B (en) * | 2021-08-10 | 2022-07-26 | 中天（中国）工业有限公司 | Multilateral leak-proof sanitary towel and forming method thereof |
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