CN111388197A - Preparation method of side leakage prevention trousers type paper diaper - Google Patents
Preparation method of side leakage prevention trousers type paper diaper Download PDFInfo
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- CN111388197A CN111388197A CN202010201059.2A CN202010201059A CN111388197A CN 111388197 A CN111388197 A CN 111388197A CN 202010201059 A CN202010201059 A CN 202010201059A CN 111388197 A CN111388197 A CN 111388197A
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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
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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
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
- A61F13/15739—Sealing, e.g. involving cutting
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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
- A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
- A61F13/15747—Folding; Pleating; Coiling; Stacking; Packaging
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention relates to the field of disposable sanitary products, in particular to a preparation method of a side-leakage-preventing trousers-type paper diaper, which mainly solves the problem of poor comfort of each side of the side leakage prevention of the trousers-type paper diaper in the prior art, and comprises the following steps: preparing a liquid-permeable top layer; preparing an absorption core layer: adhering a liquid-permeable surface layer on the absorption core layer, wherein the two transverse side edges of the liquid-permeable surface layer are bent downwards to cover the two transverse side surfaces of the absorption core layer; preparing a liquid-impermeable bottom layer: cutting the product in the step (3), adhering the cut product to the upper surface of the product in the step (j), and positioning the cut product between the left and right hydrophobic non-woven fabrics; preparing a coat layer: b, cutting the product in the step n between two adjacent absorbers to form trouser legs; folding the product in the step 7 along the central axis of the product in the transverse direction, and welding the product at the trouser legs along the transverse direction; and (4) cutting the product obtained in the step (8) along the middle part of the welding part to form a single product, and manufacturing the pants-type paper diaper.
Description
Technical Field
The invention relates to the field of disposable sanitary products, in particular to a preparation method of a side-leakage-preventing pants-type paper diaper.
Background
The structure of the pants-type paper diaper is generally as follows: the absorbent comprises a liquid-permeable surface layer, an absorbent core layer and a liquid-impermeable bottom layer which are arranged in a laminated manner from top to bottom, the absorbent core layer is formed by combining fluffy non-woven fabrics and high-molecular water-absorbent resin or mixing wood pulp fibers and high-molecular water-absorbent resin and wrapping the fluffy non-woven fabrics with the high-molecular water-absorbent resin to form a block structure for absorbing and keeping human excretory fluid, the liquid-permeable surface layer consists of hydrophilic non-woven fabrics and hydrophobic non-woven fabrics which are fixedly arranged on the two transverse sides of the hydrophilic non-woven fabrics respectively, the hydrophilic non-woven fabrics are adhered on the upper surface of the absorbent core layer and are bent downwards to wrap the two transverse sides of the absorbent core layer, and are adhered on the liquid-impermeable bottom layer with the absorbent core layer for providing comfortable and dry feeling when contacting with the body, while allowing liquid to freely pass through into the underlying absorbent core, the liquid-impermeable back sheet is formed by combining a breathable water-impermeable film with a hydrophobic nonwoven fabric, and serves to retain the absorbed liquid in the absorbent core, thereby preventing the absorbed liquid from soiling the wearer's pants.
According to the structure of the existing pants-type paper diaper, two parts for preventing side leakage are mainly arranged, one part is that rubber strings are arranged on the periphery of a through hole for legs to pass through on a clothes layer, and the clothes layer is driven to form a tightening state through the contraction of the rubber strings so as to be attached to the skin; the other is a side leakage prevention separation edge on the absorber, and the structure is as follows: authorization notice number: CN1183890C discloses a disposable diaper in which an absorbent core is provided between a hydrophobic back sheet and a body side sheet made of a hydrophilic nonwoven fabric, leakage preventing walls made of a waterproof nonwoven fabric are provided on both sides of the top sheet, a turnup tape is provided on the inner edge of each leakage preventing wall, the outer edge of each leakage preventing wall is bonded to the top sheet, and a urine or the like leakage preventing part is formed at the end of the top sheet, wherein the urine or the like leakage preventing part is a hydrophobic part formed by applying a hot melt adhesive to the end of the top sheet and allowing the hot melt adhesive to penetrate into gaps between fibers of the nonwoven fabric, and the urine or the like leakage preventing part is formed at the end of the top sheet having a hydrophilic property, so that the urine or the like will not leak from the end of the top sheet even if it penetrates into the top sheet; however, the hot melt adhesive is applied to the end of the top sheet and penetrates into the gaps between the fibers of the nonwoven fabric to form hydrophobic portions, and the hot melt adhesive and the nonwoven fabric penetrating into the nonwoven fabric reinforce the hardness of the nonwoven fabric of the top sheet, thereby reducing the wearing comfort.
Disclosure of Invention
Therefore, aiming at the problems, the invention provides a preparation method of the side leakage prevention pants-type paper diaper, which mainly solves the problem that the side leakage prevention comfort of the pants-type paper diaper in the prior art is poor.
In order to achieve the purpose, the invention adopts the following technical scheme: a preparation method of a side leakage prevention trousers type paper diaper comprises the following steps:
1) preparing a liquid-permeable surface layer:
unreeling a roll-shaped hydrophilic non-woven fabric which is produced in advance, and conveying the roll-shaped hydrophilic non-woven fabric along the direction of the preparation flow of the pants-type paper diaper, wherein the direction extending along the conveying direction of the hydrophilic non-woven fabric is defined as a longitudinal direction, and the direction extending along the width direction of the hydrophilic non-woven fabric is defined as a transverse direction;
2) preparing an absorption core layer:
a. forming an absorption core body by a forming die wheel, wherein the absorption core body is formed by mixing pulp fibers and high polymer water-absorbing resin or is prepared by adding the high polymer water-absorbing resin on bulky non-woven fabrics;
b. wrapping or covering the upper surface and/or the lower surface of the product in the step a with toilet paper or non-woven fabric;
3) adhering the transverse middle part of the hydrophilic non-woven fabric in the step (1) to the upper surface of the product in the step (2), and bending two transverse side edges of the hydrophilic non-woven fabric downwards to cover two transverse side surfaces of the product in the step (2) and adhering the hydrophilic non-woven fabric to the lower surface of the product in the step (2);
4) preparing a liquid-impermeable bottom layer:
c. unreeling and conveying the roll-shaped PE film which is produced in advance;
d. unreeling the roll-shaped hydrophobic non-woven fabric which is produced in advance, cutting the roll-shaped hydrophobic non-woven fabric along the central axis of the roll-shaped hydrophobic non-woven fabric to form a left hydrophobic non-woven fabric and a right hydrophobic non-woven fabric, and respectively conveying the left hydrophobic non-woven fabric and the right hydrophobic non-woven fabric;
e. spraying glue on the upper surfaces of the left hydrophilic non-woven fabric and the right hydrophilic non-woven fabric close to one side respectively;
f. respectively adhering the products obtained in the step e to the lower surfaces of the two transverse sides of the PE film and the positions close to the central axis of the PE film, so that free parts which are not adhered with the left and right hydrophobic non-woven fabrics are formed on the two transverse sides of the PE film, the transverse width dimension of each free part is 15-50 mm, and the transverse width dimension of the parts, which are not overlapped with the PE film, of the left and right hydrophobic non-woven fabrics is 20-80 mm;
g. spraying glue on the upper surfaces of the left and right hydrophobic non-woven fabrics close to the PE film and compounding with at least two elastic rubber bands;
h. bending the transverse outer sides of the left and right hydrophobic non-woven fabrics inwards respectively, and adhering the outer sides to the upper surface of the PE film to be positioned in the adhesion areas with the left and right hydrophobic non-woven fabrics, so that the free parts on the PE film are coated by the left and right hydrophobic non-woven fabrics;
i. unreeling roll-shaped bottom non-woven fabrics which are produced in advance, and compounding leg rubber bands along the two transverse sides of the roll-shaped bottom non-woven fabrics;
j. adhering the product in the step h to the upper surface of the product in the step j, and respectively attaching the left and right hydrophobic non-woven fabrics to the leg rubber band;
5) cutting the product in the step (3), adhering the cut product to the upper surface of the product in the step (j), and positioning the cut product between the left and right hydrophobic non-woven fabrics;
6) preparing a coating layer:
k. unreeling the roll-shaped non-woven fabric which is produced in advance, and compounding waistline rubber bands along the two transverse sides of the roll-shaped non-woven fabric;
l, cutting the product in the step 5 into the absorber of the single product and rotating the absorber for 90 degrees, so that the product is originally conveyed along the longitudinal direction to be changed into the transverse direction of the single product;
m, respectively compounding the products obtained in the step l on the products obtained in the step k, and distributing the products at intervals along the longitudinal direction of the products;
n, respectively bending the non-woven fabrics at the two transverse sides of the product obtained in the step m inwards to coat the two transverse ends of the absorber;
7) cutting the product obtained in the step n between two adjacent absorbers to form trouser legs;
8) folding the product in the step 7 along the central axis of the product in the transverse direction, and welding the product at the trouser legs along the transverse direction;
9) and cutting the product obtained in the step 8 along the middle part of the welding part to form a single product, and manufacturing the pants-type paper diaper.
Further, in the step 4 and the step 5, glue is sprayed on the opposite surfaces of the left and right hydrophobic non-woven fabrics and the position close to the PE film, so that when the product of the step 3 is cut and adhered to the upper surface of the product of the step j, the glue sprayed parts on the left and right hydrophobic non-woven fabrics are adhered to the two transverse sides of the upper surface of the liquid-permeable surface layer.
Further, between the step c and the step d, after the PE film is unreeled, cotton materials are compounded on the two transverse sides and the free parts of the PE film.
Further, the free portion has a transverse width dimension of 20 mm.
Furthermore, the transverse width of the left and right hydrophobic nonwoven fabrics which are not overlapped with the PE film is 60 mm.
By adopting the technical scheme, the invention has the beneficial effects that: the preparation method of the side leakage prevention trousers type paper diaper forms a three-dimensional leakage prevention separation edge by arranging the left and right hydrophobic non-woven fabrics and coating the two transverse sides of the PE film in the non-woven fabrics, prevents the hydrophilic non-woven fabrics on the absorption core layer or the liquid permeability surface layer from seeping out, plays a role of isolating liquid through the PE film, forms a free state without being bonded with the left and right hydrophobic non-woven fabrics, ensures good air permeability and increased thickness of the leakage prevention separation edge, can better keep the three-dimensional shape when being worn, ensures good flexibility, ensures that the composite part of the elastic rubber band is bent and coated through the left and right hydrophobic non-woven fabrics, ensures that the upper end of the elastic rubber band can be well attached to the skin, and improves the comfort, and forms great improvement on the side leakage prevention performance and the comfort of the trousers type paper diaper through small improvement on the basis of the original production equipment, the preparation process is simple, the production efficiency is high, and the production cost is low.
Drawings
FIG. 1 is a flow chart of a first embodiment of the present invention;
fig. 2 is a schematic sectional view showing an absorbent body in a second embodiment of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and detailed description.
The embodiment of the invention is as follows:
the first embodiment is as follows:
referring to fig. 1, a method for manufacturing a side leakage prevention pant type diaper includes the following steps:
1) preparing a liquid-permeable surface layer:
unreeling a roll-shaped hydrophilic non-woven fabric 1 which is produced in advance, and conveying the roll-shaped hydrophilic non-woven fabric along the direction of the preparation flow of the pants-type paper diaper, wherein the direction extending along the conveying direction of the hydrophilic non-woven fabric is defined as the longitudinal direction, and the direction extending along the width direction of the hydrophilic non-woven fabric is defined as the transverse direction;
2) preparation of the absorbent core layer 11:
a. forming an absorption core body 2 through a forming die wheel, wherein the absorption core body 2 is made by adding high-molecular water-absorbent resin on bulky non-woven fabrics;
b. covering the upper surface and the lower surface of the product of the step a with toilet paper 3;
3) adhering the transverse middle part of the hydrophilic non-woven fabric 1 in the step 1 to the upper surface of the product in the step 2, and bending two transverse side edges of the hydrophilic non-woven fabric 1 downwards to wrap two transverse side surfaces of the product in the step 2 and adhering the hydrophilic non-woven fabric to the lower surface of the product in the step 2;
4) preparing a liquid-impermeable bottom layer:
c. unreeling and conveying the roll-shaped PE film 4 which is produced in advance;
d. unreeling the roll-shaped hydrophobic non-woven fabric 5 which is produced in advance, cutting the roll-shaped hydrophobic non-woven fabric along the central axis of the roll-shaped hydrophobic non-woven fabric to form a left hydrophobic non-woven fabric 51 and a right hydrophobic non-woven fabric 52, and respectively conveying the left hydrophobic non-woven fabric 51 and the right hydrophobic non-woven fabric;
e. spraying glue on the upper surfaces of the left hydrophobic non-woven fabric 51 and the right hydrophobic non-woven fabric 52 close to one side respectively;
f. respectively adhering the products obtained in the step e to the lower surfaces of the two transverse sides of the PE film 4 and close to the central axis of the PE film, so that free parts 41 which are not adhered to the left hydrophobic non-woven fabric 51 and the right hydrophobic non-woven fabric 52 are formed on the two transverse sides of the PE film 4, the transverse width dimension of each free part 41 is 15 mm-50 mm, preferably 20mm, and the transverse width dimension of the parts, which are not overlapped with the PE film 4, of the left hydrophobic non-woven fabric 51 and the right hydrophobic non-woven fabric 52 is 20 mm-80 mm, preferably 60 mm;
g. spraying glue on the upper surfaces of the left hydrophobic non-woven fabric 51 and the right hydrophobic non-woven fabric 52 close to the PE film 4 and compounding the two elastic rubber bands 6;
h. bending the transverse outer sides of the left hydrophobic non-woven fabric 51 and the right hydrophobic non-woven fabric 52 inwards respectively, and adhering the outer sides to the upper surface of the PE film 4 in an adhesion area with the left hydrophobic non-woven fabric 51 and the right hydrophobic non-woven fabric 52, so that the free part on the PE film 4 is coated by the left hydrophobic non-woven fabric 51 and the right hydrophobic non-woven fabric 52;
i. unreeling a roll-shaped bottom non-woven fabric 7 which is produced in advance, and compounding leg rubber bands 8 along the two transverse sides of the roll-shaped bottom non-woven fabric;
j. adhering the product in the step h to the upper surface of the product in the step j, and respectively attaching the left hydrophobic non-woven fabric 51 and the right hydrophobic non-woven fabric 52 to the leg rubber band 8;
5) cutting the product in the step 3, adhering the cut product on the upper surface of the product in the step j, and positioning the cut product between the left hydrophobic non-woven fabric 51 and the right hydrophobic non-woven fabric 52;
6) preparation of the coating layer 12:
k. unreeling the roll-shaped non-woven fabric 9 which is produced in advance, and compounding waistline rubber bands 10 along the two transverse sides of the roll-shaped non-woven fabric;
l, cutting the product of step 5 into individual product absorbent bodies 20 and rotating them 90 degrees so that the original conveyance in the longitudinal direction becomes the transverse conveyance of the individual product;
m, respectively compounding the products obtained in the step l on the products obtained in the step k, and distributing the products at intervals along the longitudinal direction of the products;
n, bending the non-woven fabrics 9 at the two transverse sides of the product obtained in the step m inwards respectively to coat the two transverse ends of the absorber 20;
7) cutting the product obtained in the step (n) between two adjacent absorbers 20 to form trouser legs 21;
8) folding the product in the step 7 along the central axis of the product in the transverse direction, and welding the product at the trouser legs 21 along the transverse direction;
9) and cutting the product obtained in the step 8 along the middle part of the welding part to form a single product to manufacture the pants-type paper diaper 30.
Example two:
referring to fig. 1 and fig. 2, the second embodiment is further improved on the basis of the first embodiment, and the technical features of the second embodiment are as follows: in the step 4 and the step 5, glue is sprayed on the opposite surfaces of the left hydrophobic non-woven fabric 51 and the right hydrophobic non-woven fabric 52 and the position close to the PE film 4, so that when the product of the step 3 is cut and adhered to the upper surface of the product of the step j, the glue sprayed parts on the left hydrophobic non-woven fabric 51 and the right hydrophobic non-woven fabric 52 are adhered to the two lateral sides of the upper surface of the liquid-permeable surface layer, so that the left hydrophobic non-woven fabric 51 and the right hydrophobic non-woven fabric 52 are firmly connected with the liquid-permeable surface layer, and can be better coated on the two lateral sides of the absorbent core layer 11, thereby enhancing the side leakage prevention performance.
In this embodiment, between step c and step d, unreel at PE membrane 4, it has cotton material 42 to compound (i.e. through compound cotton fiber that closes behind the glue spraying) on its horizontal both sides and being located free portion 41 for the leak protection separate limit has certain buffering shock attenuation nature, improves the travelling comfort, and can play certain adsorption effect when liquid passes through the skin and oozes between left hydrophobic non-woven fabrics 51 and the right hydrophobic non-woven fabrics 52, further increases the side leakage effect of preventing.
The working mode of the invention is as follows: the preparation method of the side leakage prevention trousers type paper diaper comprises the steps of arranging the left hydrophobic non-woven fabric 51 and the right hydrophobic non-woven fabric 52, and coating the two transverse sides of the PE film 4 in the left hydrophobic non-woven fabric 51 and the right hydrophobic non-woven fabric 52 to form the three-dimensional leakage prevention partition edge, preventing the hydrophilic non-woven fabric 1 on the absorption core layer 11 or the liquid permeability surface layer from seeping out, playing a role of isolating liquid through the PE film 4, enabling the PE film 4 not to be bonded with the left hydrophobic non-woven fabric 51 and the right hydrophobic non-woven fabric 52 to form a free state, enabling air permeability to be good, increasing the thickness of the leakage prevention partition edge, enabling the leakage prevention partition edge to well keep a three-dimensional shape and guaranteeing better flexibility when the trousers are worn, enabling the upper end of the elastic rubber band 6 to be well attached to the skin and improving comfort through small improvement on the basis of original production equipment, the side leakage resistance and the comfort of the pants-type paper diaper are greatly improved, and the pants-type paper diaper is simple in preparation process, high in production efficiency and low in production cost.
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 (5)
1. A preparation method of a side leakage prevention trousers type paper diaper is characterized by comprising the following steps: the method comprises the following steps:
1) preparing a liquid-permeable surface layer:
unreeling a roll-shaped hydrophilic non-woven fabric which is produced in advance, and conveying the roll-shaped hydrophilic non-woven fabric along the direction of the preparation flow of the pants-type paper diaper, wherein the direction extending along the conveying direction of the hydrophilic non-woven fabric is defined as a longitudinal direction, and the direction extending along the width direction of the hydrophilic non-woven fabric is defined as a transverse direction;
2) preparing an absorption core layer:
a. forming an absorption core body by a forming die wheel, wherein the absorption core body is formed by mixing pulp fibers and high polymer water-absorbing resin or is prepared by adding the high polymer water-absorbing resin on bulky non-woven fabrics;
b. wrapping or covering the upper surface and/or the lower surface of the product in the step a with toilet paper or non-woven fabric;
3) adhering the transverse middle part of the hydrophilic non-woven fabric in the step (1) to the upper surface of the product in the step (2), and bending two transverse side edges of the hydrophilic non-woven fabric downwards to cover two transverse side surfaces of the product in the step (2) and adhering the hydrophilic non-woven fabric to the lower surface of the product in the step (2);
4) preparing a liquid-impermeable bottom layer:
c. unreeling and conveying the roll-shaped PE film which is produced in advance;
d. unreeling the roll-shaped hydrophobic non-woven fabric which is produced in advance, cutting the roll-shaped hydrophobic non-woven fabric along the central axis of the roll-shaped hydrophobic non-woven fabric to form a left hydrophobic non-woven fabric and a right hydrophobic non-woven fabric, and respectively conveying the left hydrophobic non-woven fabric and the right hydrophobic non-woven fabric;
e. spraying glue on the upper surfaces of the left hydrophilic non-woven fabric and the right hydrophilic non-woven fabric close to one side respectively;
f. respectively adhering the products obtained in the step e to the lower surfaces of the two transverse sides of the PE film and the positions close to the central axis of the PE film, so that free parts which are not adhered with the left and right hydrophobic non-woven fabrics are formed on the two transverse sides of the PE film, the transverse width dimension of each free part is 15-50 mm, and the transverse width dimension of the parts, which are not overlapped with the PE film, of the left and right hydrophobic non-woven fabrics is 20-80 mm;
g. spraying glue on the upper surfaces of the left and right hydrophobic non-woven fabrics close to the PE film and compounding with at least two elastic rubber bands;
h. bending the transverse outer sides of the left and right hydrophobic non-woven fabrics inwards respectively, and adhering the outer sides to the upper surface of the PE film to be positioned in the adhesion areas with the left and right hydrophobic non-woven fabrics, so that the free parts on the PE film are coated by the left and right hydrophobic non-woven fabrics;
i. unreeling roll-shaped bottom non-woven fabrics which are produced in advance, and compounding leg rubber bands along the two transverse sides of the roll-shaped bottom non-woven fabrics;
j. adhering the product in the step h to the upper surface of the product in the step j, and respectively attaching the left and right hydrophobic non-woven fabrics to the leg rubber band;
5) cutting the product in the step (3), adhering the cut product to the upper surface of the product in the step (j), and positioning the cut product between the left and right hydrophobic non-woven fabrics;
6) preparing a coating layer:
k. unreeling the roll-shaped non-woven fabric which is produced in advance, and compounding waistline rubber bands along the two transverse sides of the roll-shaped non-woven fabric;
l, cutting the product in the step 5 into the absorber of the single product and rotating the absorber for 90 degrees, so that the product is originally conveyed along the longitudinal direction to be changed into the transverse direction of the single product;
m, respectively compounding the products obtained in the step l on the products obtained in the step k, and distributing the products at intervals along the longitudinal direction of the products;
n, respectively bending the non-woven fabrics at the two transverse sides of the product obtained in the step m inwards to coat the two transverse ends of the absorber;
7) cutting the product obtained in the step n between two adjacent absorbers to form trouser legs;
8) folding the product in the step 7 along the central axis of the product in the transverse direction, and welding the product at the trouser legs along the transverse direction;
9) and cutting the product obtained in the step 8 along the middle part of the welding part to form a single product, and manufacturing the pants-type paper diaper.
2. The method for manufacturing a side leakage prevention pant-type diaper according to claim 1, wherein: in the step 4 and the step 5, glue is sprayed on the opposite surfaces of the left and right hydrophobic non-woven fabrics and the position close to the PE film, so that when the product in the step 3 is cut and adhered to the upper surface of the product in the step j, the glue sprayed parts on the left and right hydrophobic non-woven fabrics are adhered to the two transverse sides of the upper surface of the liquid-permeable surface layer.
3. The method of manufacturing a side-leakage-preventing pant-type diaper according to claim 1 or 2, characterized in that: and between the step c and the step d, after the PE film is unreeled, cotton materials are compounded on the two transverse sides and the free parts of the PE film.
4. The method for manufacturing a side leakage prevention pant-type diaper according to claim 3, wherein: the free portion has a transverse width dimension of 20 mm.
5. The method for manufacturing a side leakage prevention pant-type diaper according to claim 3, wherein: the transverse width of the left and right hydrophobic non-woven fabrics which are not overlapped with the PE film is 60 mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010201059.2A CN111388197B (en) | 2020-03-20 | 2020-03-20 | Preparation method of side leakage prevention trousers type paper diaper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010201059.2A CN111388197B (en) | 2020-03-20 | 2020-03-20 | Preparation method of side leakage prevention trousers type paper diaper |
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CN111388197A true CN111388197A (en) | 2020-07-10 |
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CN112842696A (en) * | 2021-02-26 | 2021-05-28 | 广东宜柔健康产品有限公司 | Production method of adult paper diaper |
CN113476213A (en) * | 2021-08-02 | 2021-10-08 | 福建恒安集团有限公司 | Application process of side leakage prevention absorption article |
CN113476216A (en) * | 2021-08-02 | 2021-10-08 | 福建恒安集团有限公司 | Side leakage prevention absorption article |
CN113842271A (en) * | 2021-08-23 | 2021-12-28 | 晋江海纳机械有限公司 | Leakage-proof edge folding equipment and method for paper diaper |
CN113925686A (en) * | 2021-08-24 | 2022-01-14 | 余少椿 | Comprehensive leakage-proof paper diaper and pull-up diaper and preparation process thereof |
CN114375851A (en) * | 2021-12-09 | 2022-04-22 | 盐城宠佳科技有限公司 | Pet diaper and production process thereof |
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CN115281938A (en) * | 2022-08-03 | 2022-11-04 | 百润(中国)有限公司 | Preparation method of disposable sanitary product |
CN115350003A (en) * | 2022-08-30 | 2022-11-18 | 福建恒安集团有限公司 | Skirt-type absorption article and preparation method thereof |
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