CN113116637B - Preparation method of disposable sanitary product with bandage type closing system - Google Patents
Preparation method of disposable sanitary product with bandage type closing system Download PDFInfo
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- CN113116637B CN113116637B CN202110411840.7A CN202110411840A CN113116637B CN 113116637 B CN113116637 B CN 113116637B CN 202110411840 A CN202110411840 A CN 202110411840A CN 113116637 B CN113116637 B CN 113116637B
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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
- A61F13/15585—Apparatus or processes for manufacturing of babies' napkins, e.g. diapers
- A61F13/15593—Apparatus or processes for manufacturing of babies' napkins, e.g. diapers having elastic ribbons fixed thereto; Devices for applying the ribbons
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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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- 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
- A61F13/56—Supporting or fastening means
- A61F13/5622—Supporting or fastening means specially adapted for diapers or the like
- A61F13/565—Supporting or fastening means specially adapted for diapers or the like pants type diaper
Abstract
The invention relates to the field of disposable sanitary products, in particular to a preparation method of a disposable sanitary product with a bandage type closing system, which mainly solves the problems of poor wearing comfort and high cost of the disposable sanitary product in the prior art and comprises the following steps: 1) preparing a liquid-permeable top layer; 2) preparing an absorption core layer; 3) preparation of a liquid-impermeable bottom layer 4) preparation of a self-adhesive elastic bandage: 5) respectively compounding self-adhesive elastic bandages at the two transverse sides of the rear waist region; 6) compounding the liquid-permeable surface layer in the step 1 and the absorption core layer in the step 2 with the product in the step 5 in sequence; 7) cutting the product obtained in the step 6 to form a single diaper product, and folding the diaper product along the middle part of the crotch region by a folding device to ensure that the front waist region is attached to the rear waist region; 8) and (5) turning the self-adhesive elastic bandage in the step (7) upwards, wherein the first PE film on the free end of the self-adhesive elastic bandage is fixedly connected with the extension part of the PE film through hot pressing.
Description
Technical Field
The invention relates to the field of disposable sanitary products, in particular to a preparation method of a disposable sanitary product with a bandage type closing system.
Background
Conventional disposable absorbent articles, such as baby diapers, adult diapers, training pants, etc., mainly comprise a liquid-permeable top sheet, an absorbent body and a liquid-impermeable bottom sheet, which are sequentially stacked from top to bottom to form an excretory part for covering a human body, and are divided into a front waist region, a rear waist region and a crotch region connecting the front waist region and the rear waist region by the covered region, the absorbent body is used for absorbing and holding excretory fluid of the human body, the liquid-permeable top sheet is used for providing comfortable and dry feeling when contacting with the body, and simultaneously, allowing the fluid to freely pass through and enter the absorbent body of the lower layer, and the liquid-impermeable bottom sheet is used for holding the absorbed fluid in the absorbent body, thereby preventing the absorbed fluid from dirtying the trousers of a wearer.
Generally, the waist area of the baby diaper and the adult diaper is of an open-close type, ear patches are arranged on two transverse sides of a back waist area and used for embracing the waist of a user and are attached to the outer surface of a front waist area to realize the wearing of the diaper, the width size of the ear patches with the structure is smaller than that of the back waist area connected with the ear patches, and the directions of forces acting on the ear patches are not only along the horizontal direction but also along the horizontal direction and the inclined direction due to different waist sizes of human body wearing areas, so that the ear patches are not uniformly stressed to cause infirm and easy falling; the waistline region of the pull-up pants belongs to a closed type, is welded on the two transverse sides of the front waist region and the rear waist region, and the front waist region and the rear waist region are compounded with rubber bands, so that the pull-up pants have transverse tensile force for restraining the waistline of a user.
Disclosure of Invention
Therefore, aiming at the problems, the invention provides a preparation method of a disposable sanitary product with a bandage type closing system, which mainly solves the problems of poor wearing comfort and high cost of the disposable sanitary product in the prior art.
In order to realize the purpose, the invention adopts the following technical scheme:
a method for preparing disposable sanitary product with bandage type closing system comprises the following steps:
1) preparing a liquid-permeable top layer;
2) preparing an absorption core layer;
3) preparing a liquid-impermeable bottom layer:
a. unreeling the prepared PE film, defining that the PE film extends to a longitudinal direction along the unreeling direction of the PE film and extends to a transverse direction along the width direction of the PE film, wherein the PE film comprises a middle part in a rectangular structure and extending parts extending outwards from two transverse sides of the middle part, and the two extending parts are axially symmetrically arranged along a longitudinal central axis of the middle part;
b. unreeling the prepared bottom layer non-woven fabric and compounding the non-woven fabric on the upper surface of the middle part of the PE film;
c. the extension part on the PE film is folded upwards and inwards and is compounded with the upper surface of the bottom layer non-woven fabric, and a front waist part, a rear waist part and a crotch part connecting the front waist part and the rear waist part are defined, wherein the front waist part is positioned on the same diaper and provided with the extension part, and the rear waist part is positioned on one side far away from the front waist part in the longitudinal direction;
4) preparing a self-adhesive elastic bandage:
d. unreeling the prepared first flexible material, and defining the first flexible material to be sequentially divided into a first elastic area, a second elastic area and a third elastic area along the transverse direction of the first flexible material;
e. distributing a plurality of rubber bands with the stretching ratio of more than 1.8 times side by side on the upper surface of the first flexible material along the longitudinal direction, applying glue at intervals along the longitudinal direction to form glue application areas, and forming a buffer area between the two glue application areas;
f. e, unreeling the prepared second flexible material, and compounding the second flexible material on the second elastic area and the third elastic area on the product obtained in the step e;
g. connecting the first flexible material and the second flexible material in the step f through ultrasonic welding to form an ultrasonic welding area, wherein the ultrasonic welding area is distributed between two adjacent rubber bands;
h. d, spraying glue on the first elastic area in the step g, and folding upwards along the boundary of the first elastic area and the second elastic area to be compounded on the upper surface of the second flexible material of the second elastic area;
i. compounding a first PE film on the product in the step h and positioned on the lower surface of the gluing area;
j. cutting the product of the step i along the longitudinal middle part of the gluing area to form a single self-adhesive elastic bandage;
5) compounding the self-adhesive elastic bandage obtained in the step j on two transverse sides of the rear waist region obtained in the step c respectively through hot pressing, namely heating the first PE film and the PE film on one transverse side of the self-adhesive elastic bandage to form a molten state through hot pressing, fixing the PE films in a cold area, and fixedly connecting the PE films through molecular recombination;
6) sequentially compounding the liquid-permeable surface layer in the step 1 and the absorption core layer in the step 2 with the product in the step 5;
7) cutting the product obtained in the step 6 to form a single diaper product, and folding the diaper product along the middle part of the crotch region by a folding device to ensure that the front waist region is attached to the rear waist region;
8) and (4) turning the self-adhesive elastic bandage in the step (7) upwards, and fixedly connecting the first PE film on the free end of the self-adhesive elastic bandage with the extension part of the PE film through hot pressing to form a single closed system diaper product.
Furthermore, in the step h, a through groove is cut on the buffer area and between the second elastic area and the third elastic area.
Further, the ratio of the width sizes of the first elastic zone, the second elastic zone and the third elastic zone is 3-4: 4-5: 1 to 3.
Further, the ratio of the width dimensions of the first elastic zone, the second elastic zone and the third elastic zone is 3: 4: 3.
furthermore, the rubber band on the first elastic zone is a first rubber band, the rubber band on the second elastic zone is a second rubber band, the rubber band on the third elastic zone is a third rubber band, and the first rubber bands are distributed between the two adjacent second rubber bands.
Furthermore, the number of the first rubber bands is 2-6, the number of the second rubber bands is 3-7, and the number of the third rubber bands is 1-5.
Furthermore, the number of the first rubber bands is 4, the number of the second rubber bands is 5, and the number of the third rubber bands is 3.
Furthermore, an elastic sheet is arranged on the back waist region and between the absorption core layer and the liquid-tight bottom layer.
By adopting the technical scheme, the invention has the beneficial effects that: the preparation method of the disposable sanitary product with the bandage type closed system has simple preparation steps and high preparation efficiency, can realize equipment upgrade through minor improvement in the existing production equipment, thereby adapting to the preparation method, reducing the processing cost, realizing the promotion of the wearing comfort through minor improvement of the paper diaper, concretely, self-adhesive elastic bandages are compounded respectively through the two transverse sides of the front waist region and the rear waist region, so that the waistline has elasticity, the waistline of a user can be better bound, the comfort is better, the arrangement of the distribution distance of the rubber strings and the number of the rubber strings on the self-adhesive elastic bandage along the width direction is concretely realized, namely, the width size distribution of the second elastic region and the third elastic region and the number of the second rubber strings and the third rubber strings are suitable for different waistline sizes of the waistline region of the user, and the disposable sanitary product can be well attached to the waistline of the user, the first rubber bands are adhered to the second elastic area, the first rubber bands are distributed between every two adjacent second rubber bands, the second rubber bands and the third rubber bands are welded through ultrasonic waves to avoid displacement of the second rubber bands and the third rubber bands, the second rubber bands and the third rubber bands can freely stretch along the axial direction of the second rubber bands, the first rubber bands adhered to the second elastic area are combined, the distribution of the rubber bands forms a three-dimensional shrinkage state, the self-adhesive elastic bandage has strong adhesion and good constraint performance, the acting force of the self-adhesive elastic bandage can horizontally shrink along the horizontal direction of the self-adhesive elastic bandage, the self-adhesive elastic bandage reduces the tie marks on the skin in the shrinkage constraint process, the contact area between the self-adhesive elastic bandage and the skin has good flexibility, and the comfort is greatly improved; simultaneously, the first PE film arranged on the self-adhesive elastic bandage is connected with the PE film on the liquid-tight bottom layer in a hot-pressing mode, the connection firmness is good, the stripping force value of the self-adhesive elastic bandage after hot-pressing with certain force is larger than or equal to 1N/25cm, the dynamic shearing force value is larger than or equal to 5N/25cm, the original production line mode is fully utilized, improvement is carried out, and the processing efficiency is greatly improved.
Drawings
FIG. 1 is a flow chart of the preparation of an embodiment of the present invention;
FIG. 2 is a schematic perspective view of an embodiment of the present invention;
FIG. 3 is a schematic top view of a self-adhesive elastic bandage in an expanded state according to an embodiment of the invention;
FIG. 4 is a schematic cross-sectional view of a self-adhesive elastic bandage in an embodiment of the invention;
fig. 5 is a state diagram of use of an 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:
referring to fig. 1 and 2, a method for preparing a disposable hygienic article with a bandage type closure system includes the following steps:
1) preparing a liquid-permeable surface layer 1;
2) preparing an absorption core layer 2;
3) preparation of the liquid-impermeable back sheet 3:
a. unreeling the prepared PE film 31, defining that the PE film 31 extends to a longitudinal direction along the unreeling direction of the PE film 31, and extends to a transverse direction along the width direction of the PE film, wherein the PE film 31 comprises a middle part 311 in a rectangular structure and extending parts 312 extending outwards from two transverse sides of the middle part 311, and the two extending parts 312 are axially symmetrically arranged along a longitudinal central axis of the middle part 311;
b. unreeling and compounding the prepared bottom non-woven fabric 32 on the upper surface of the middle part 311 of the PE film 31;
c. the extension part 312 on the PE film 31 is folded upwards and inwards and is compounded with the upper surface of the bottom layer non-woven fabric 32 to define a front waist region 11 which is positioned on the same diaper and is provided with the extension part 312, a back waist region 12 which is positioned on one side far away from the front waist region 11 along the longitudinal direction, and a crotch region 13 which connects the front waist region 11 and the back waist region 12;
4) referring to fig. 3 and 4, a self-adhesive elastic bandage 4 is prepared:
d. unreeling the prepared first flexible material 41, and defining the first flexible material 41 to be sequentially divided into a first elastic zone 14, a second elastic zone 15 and a third elastic zone 16 along the transverse direction of the first flexible material 41, wherein the ratio of the width dimensions of the first elastic zone 14, the second elastic zone 15 and the third elastic zone 16 is 3-4: 4-5: 1-3, preferably, the ratio of the width dimensions of the first elastic zone 14, the second elastic zone 15 and the third elastic zone 16 is 3: 4: 3;
e. 12 rubber strings 5 with the stretching ratio larger than 2 times are distributed on the upper surface of the first flexible material 41 side by side along the longitudinal direction, glue is applied at intervals along the longitudinal direction to form glue applying areas 6, a buffer area 7 is formed between the two glue applying areas 6, the rubber strings on the first elastic area 14 are first rubber strings 51, the rubber strings on the second elastic area 15 are second rubber strings 52, the rubber strings on the third elastic area 16 are third rubber strings 53, each first rubber string 51 is distributed between two adjacent second rubber strings 52, the number of the first rubber strings 51 is 2-6, the number of the second rubber strings 52 is 3-7, the number of the third rubber strings 53 is 1-5, preferably, the number of the first rubber strings 51 is 4, the number of the second rubber strings 52 is 5, and the number of the third rubber strings 53 is 3;
f. unwinding the prepared second flexible material 42 and compounding it on the second elastic region 15 and the third elastic region 16 on the step e product;
g. connecting the first flexible material 41 and the second flexible material 42 in the step f through ultrasonic welding to form an ultrasonic welding area 8, wherein the ultrasonic welding area 8 is distributed between two adjacent rubber bands 5;
h. spraying glue on the first elastic region 14 in the step g, and folding upwards along the boundary of the first elastic region 14 and the second elastic region 15 to be compounded on the upper surface of the second flexible material 42 of the second elastic region 15;
i. compounding a first PE film 9 on the product in the step h and positioned on the lower surface of the gluing area 6;
j. slitting the product of step i along the longitudinal middle of the glue application zone 6 to form individual self-adhesive elastic bandages 4;
5) compounding the self-adhesive elastic bandage 4 in the step j on two transverse sides of the rear waist region 12 in the step c respectively through hot pressing, namely heating the first PE film 9 and the PE film 31 on one transverse side of the self-adhesive elastic bandage 4 through hot pressing to form a molten state, fixing the PE films in a cold region, and fixedly connecting the PE films through molecular recombination of the PE films 31;
6) sequentially compounding the liquid-permeable surface layer 1in the step 1 and the absorption core layer 2 in the step 2 with the product in the step 5;
7) cutting the product obtained in the step 6 into single diaper products 10, and folding the products along the middle part of the crotch region 13 by a folding device so as to enable the front waist region 11 to be attached to the rear waist region 12;
8) and (3) folding the self-adhesive elastic bandage 4 in the step (7) upwards, and fixedly connecting the first PE film 9 on the free end of the self-adhesive elastic bandage 4 with the extension part 312 of the PE film 31 through hot pressing to form the diaper product 30 of the single closed system.
The preparation method of the disposable sanitary product with the bandage type closed system has simple preparation steps and high preparation efficiency, can realize equipment upgrade through smaller improvement in the existing production equipment, thereby adapting to the preparation method, reducing the processing cost, realizing the promotion of wearing comfort through smaller improvement of the diaper, concretely, the self-adhesive elastic bandages 4 are compounded respectively through the two transverse sides of the front waist region 11 and the rear waist region 12, so that the waistline has elasticity, the waistline of a user can be better bound, the comfort is better, the width size distribution of the second elastic region 15 and the third elastic region 16, the number of the second rubber strings 52 and the number of the third rubber strings 53 are specifically arranged through the distribution distance of the rubber strings 5 and the number of the rubber strings 5 on the self-adhesive elastic bandages 4 along the width direction, thereby being suitable for different waistline sizes of the waistline regions of the user, the self-adhesive elastic bandage is well attached to the waist of a user, the first rubber strings 51 arranged at the same time are adhered to the second elastic area 15, the first rubber strings 51 are distributed between every two adjacent second rubber strings 52, the second rubber strings 52 and the third rubber strings 53 are prevented from shifting through ultrasonic welding, the second rubber strings 52 and the third rubber strings 53 can freely stretch and retract along the axial direction of the second rubber strings, the first rubber strings 51 adhered to the second elastic area 15 are combined, the distribution of the self-adhesive elastic strings 5 forms a three-dimensional shrinkage state, the self-adhesive elastic bandage is strong in adhesion and good in constraint performance, the acting force of the self-adhesive elastic bandage 4 can horizontally and transversely shrink along the self-adhesive elastic bandage 4, the tightening marks on the skin are reduced in the shrinkage constraint process of the self-adhesive elastic bandage 4, the self-adhesive bandage and the skin contact area are good in flexibility, and the comfort is greatly improved; meanwhile, the first PE film 9 arranged on the self-adhesive elastic bandage 4 is in thermal compression connection with the PE film 31 on the liquid-tight bottom layer 3, the connection firmness is good, the stripping force value of the self-adhesive elastic bandage 4 after thermal compression is more than or equal to 1N/25cm through giving a certain force, the dynamic shearing force value is more than or equal to 5N/25cm, the original production line mode is fully utilized, improvement is carried out, and the processing efficiency is greatly improved.
In this embodiment, referring to fig. 5, in the step h, a through groove 20 is cut on the buffer area 7 and between the second elastic area 15 and the third elastic area 16, so that the through groove 20 is embedded in the hip joint of the waistline of the user, the binding capacity of the diaper is improved, the attaching effect can be further improved, and a V-shaped notch 21 is arranged in the middle of the lower edge of the through groove 20, so that the third elastic area 16 is increased in the transverse opening and closing size, and can be attached to two sides of the lower convex position of the hip joint, and the comfort is further improved.
Meanwhile, the width dimension of the self-adhesive elastic bandage 4 is 5mm larger than the width dimensions of the front waist region 11 and the rear waist region 12, so that the wrapping property of the waist is improved, and the side leakage phenomenon of the diaper is prevented.
And, be equipped with the flexure strip 22 on the back lumbar region 12 and be located between absorption core layer 2 and the liquid-tight bottom 3, improve panty-shape diapers's constraint effect, prevent to drop in the dress.
The stripping force value of the self-adhesive elastic bandage 4 after hot pressing with a certain force is more than or equal to 1N/25cm, and the dynamic shearing force value is more than or equal to 5N/25 cm.
The peeling force value test method comprises the following steps:
1. testing device
1.1. Tensile machine
1.2. Test plate: aluminium or steel sheet
1.3. Supporting the operation table: hard plate with T-shaped pin fixed under (150mm x 150mm)
1.4. Double-sided adhesive tape
1.5. Automatic roller press (weight: 1 pound, speed 1500mm/min)
2. Sample preparation
2.1, using a double-sided adhesive tape to flatly attach and fix two ends of the self-adhesive elastic bandage in the MD direction on the back surface of the test board, and marking the CD direction of the self-adhesive elastic bandage on the test board. The bottom of the self-adhesive elastic bandage testing part is ensured to be suspended.
2.2 the double-sided adhesive tape and the self-adhesive elastic bandage are placed at the temperature of 23 plus or minus 2 ℃ and the relative humidity of 50 plus or minus 5 percent for more than 24 hours.
2.3 cut self-adhesive elastic bandage into 25mm wide strips in MD.
3. Test program
3.1 flatly pasting the self-adhesive elastic bandage on the self-adhesive elastic bandage positioned on the test board along the MD direction.
3.2 rolling by using an automatic rolling machine: one before and one after the other.
3.3 clamping the pin of the supporting platform on the lower chuck, flatly placing the test plate adhered with the test sample on the supporting platform, clamping the tail part of the test adhesive tape on the upper chuck of the tensile machine, and enabling the upper chuck to move upwards at the speed of 300 mm/min.
3.4 during the test, the test angle, which maintains the peel force by moving the test plate uniformly over the support platform, was maintained at 90 °.
The dynamic shear force numerical value test method comprises the following steps:
1. testing device
1.1. Tensile machine
1.2. Automatic roller press (weight: 1 pound, speed 1500mm/min)
2. Sample preparation
2.1 cutting the self-adhesive elastic bandage into 1inch with equal width, flatly pasting the self-adhesive elastic bandage on the self-adhesive elastic bandage along the MD direction, wherein the adhesive length is 50mm, pressing 5 back and forth by using an automatic roller press, and reserving free ends with the length of more than 20mm at two ends of the sample respectively.
2.2 the self-adhesive elastic bandage is placed under the conditions of 23 plus or minus 2 ℃ and 50 plus or minus 5 percent of relative humidity for more than 24 hours.
3. Test program
3.1 the self-adhesive elastic bandage is clamped by the upper end and the lower end of the tension meter respectively. The force required when pulling horizontally upward was recorded.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A preparation method of disposable sanitary products with bandage type closing systems is characterized in that: the method comprises the following steps:
1) preparing a liquid-permeable top layer;
2) preparing an absorption core layer;
3) preparing a liquid-impermeable bottom layer:
a. unreeling the prepared PE film, defining that the PE film extends to a longitudinal direction along the unreeling direction of the PE film and extends to a transverse direction along the width direction of the PE film, wherein the PE film comprises a middle part in a rectangular structure and extending parts extending outwards from two transverse sides of the middle part, and the two extending parts are axially symmetrically arranged along a longitudinal central axis of the middle part;
b. unreeling the prepared bottom non-woven fabric and compounding the non-woven fabric on the upper surface of the middle part of the PE film;
c. the extension part on the PE film is folded upwards and inwards and is compounded with the upper surface of the bottom layer non-woven fabric, and a front waist part, a rear waist part and a crotch part connecting the front waist part and the rear waist part are defined, wherein the front waist part is positioned on the same diaper and provided with the extension part, and the rear waist part is positioned on one side far away from the front waist part in the longitudinal direction;
4) preparing a self-adhesive elastic bandage:
d. unreeling the prepared first flexible material, and defining the first flexible material to be sequentially divided into a first elastic area, a second elastic area and a third elastic area along the transverse direction of the first flexible material;
e. distributing a plurality of rubber bands with the stretching ratio of more than 1.8 times side by side on the upper surface of the first flexible material along the longitudinal direction, applying glue at intervals along the longitudinal direction to form glue application areas, and forming a buffer area between the two glue application areas;
f. e, unreeling the prepared second flexible material, and compounding the second flexible material on the second elastic area and the third elastic area on the product obtained in the step e;
g. connecting the first flexible material and the second flexible material in the step f through ultrasonic welding to form an ultrasonic welding area, wherein the ultrasonic welding area is distributed between two adjacent rubber bands;
h. d, spraying glue on the first elastic area in the step g, and folding upwards along the boundary of the first elastic area and the second elastic area to be compounded on the upper surface of the second flexible material of the second elastic area;
i. compounding a first PE film on the product in the step h and positioned on the lower surface of the gluing area;
j. cutting the product of the step i along the longitudinal middle part of the gluing area to form a single self-adhesive elastic bandage;
5) compounding the self-adhesive elastic bandage obtained in the step j on two transverse sides of the rear waist region obtained in the step c respectively through hot pressing, namely heating the first PE film and the PE film on one transverse side of the self-adhesive elastic bandage to form a molten state through hot pressing, fixing the PE films in a cold area, and fixedly connecting the PE films through molecular recombination;
6) sequentially compounding the liquid-permeable surface layer in the step 1 and the absorption core layer in the step 2 with the product in the step 5;
7) cutting the product obtained in the step 6 to form a single diaper product, and folding the diaper product along the middle part of the crotch region by a folding device to ensure that the front waist region is attached to the rear waist region;
8) and (4) turning the self-adhesive elastic bandage in the step (7) upwards, and fixedly connecting the first PE film on the free end of the self-adhesive elastic bandage with the extension part of the PE film through hot pressing to form a single closed system diaper product.
2. The method of making a closure system disposable hygiene article with a bandage of claim 1, characterized in that: in the step h, a through groove is cut on the buffer area and between the second elastic area and the third elastic area.
3. Method for the preparation of a disposable hygienic article with bandaged closure system according to claim 1 or 2, characterised in that: the ratio of the width sizes of the first elastic zone, the second elastic zone and the third elastic zone is 3-4: 4-5: 1 to 3.
4. The method of making a closure system disposable hygiene article with a bandage of claim 3, characterized in that: the ratio of the width dimensions of the first, second and third elastic zones is 3: 4: 3.
5. the method for manufacturing a disposable hygienic article with a bandage type closing system according to claim 4, wherein: the rubber band in the first elastic zone is a first rubber band, the rubber band in the second elastic zone is a second rubber band, the rubber band in the third elastic zone is a third rubber band, and the first rubber band is distributed between the two adjacent second rubber bands.
6. The method of making a closure system disposable hygiene article with a bandage of claim 5, characterized in that: the number of the first rubber bands is 2-6, the number of the second rubber bands is 3-7, and the number of the third rubber bands is 1-5.
7. The method of making a closure system disposable hygiene article with a bandage of claim 6, characterized in that: the number of the first rubber bands is 4, the number of the second rubber bands is 5, and the number of the third rubber bands is 3.
8. The method of making a closure system disposable hygiene article with a bandage of claim 7, characterized in that: an elastic sheet is arranged on the back waist region and between the absorption core layer and the liquid-tight bottom layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110411840.7A CN113116637B (en) | 2021-04-16 | 2021-04-16 | Preparation method of disposable sanitary product with bandage type closing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110411840.7A CN113116637B (en) | 2021-04-16 | 2021-04-16 | Preparation method of disposable sanitary product with bandage type closing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113116637A CN113116637A (en) | 2021-07-16 |
| CN113116637B true CN113116637B (en) | 2022-09-13 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1244881A (en) * | 1996-12-13 | 2000-02-16 | 株式会社日本吸收体技术研究所 | Highly absorbent composite compositions, absorbent sheets provided with the compositions, and process for producing the same |
| JP2014124199A (en) * | 2012-12-25 | 2014-07-07 | Kao Corp | Disposable diaper |
| CN204411121U (en) * | 2013-12-22 | 2015-06-24 | 褚加冕 | A kind of neonatal umbilical cord nursing bag |
| CN207859630U (en) * | 2017-12-28 | 2018-09-14 | 江苏美翔体育用品有限公司 | Selfreparing PE films |
| CN110141424A (en) * | 2019-05-31 | 2019-08-20 | 广东茵茵股份有限公司 | A kind of production method for the multiple fold paper diaper being applicable to outdoor activities |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1244881A (en) * | 1996-12-13 | 2000-02-16 | 株式会社日本吸收体技术研究所 | Highly absorbent composite compositions, absorbent sheets provided with the compositions, and process for producing the same |
| JP2014124199A (en) * | 2012-12-25 | 2014-07-07 | Kao Corp | Disposable diaper |
| CN204411121U (en) * | 2013-12-22 | 2015-06-24 | 褚加冕 | A kind of neonatal umbilical cord nursing bag |
| CN207859630U (en) * | 2017-12-28 | 2018-09-14 | 江苏美翔体育用品有限公司 | Selfreparing PE films |
| CN110141424A (en) * | 2019-05-31 | 2019-08-20 | 广东茵茵股份有限公司 | A kind of production method for the multiple fold paper diaper being applicable to outdoor activities |
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