CN113855397A

CN113855397A - Comfortable paper diaper and manufacturing method thereof

Info

Publication number: CN113855397A
Application number: CN202111229513.6A
Authority: CN
Inventors: 苏艺强; 黄佩雯; 侯中华
Original assignee: Guangdong Winsun Personal Care Supplies Co ltd
Current assignee: Guangdong Winsun Personal Care Supplies Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2021-12-31

Abstract

The invention relates to the technical field of disposable sanitary products, in particular to a comfortable paper diaper. The utility model provides a comfortable panty-shape diapers, includes water-absorbing main part and elastic waist, the top of water-absorbing main part is located to elastic waist, elastic waist comprises first non-woven fabrics layer, elasticity hot melt adhesive layer and second non-woven fabrics layer from outer to interior in proper order, elasticity hot melt adhesive layer includes upper segment glue film and lower zone glue film, the lower zone glue film is located the bottom of upper segment glue film, the elasticity of upper segment glue film is greater than the elasticity of lower zone glue film. According to the comfortable paper diaper, the elastic hot melt adhesive is adopted to replace rubber bands, the force application area is large, the elastic force is applied more uniformly, the elasticity of the upper region rubber layer is larger than that of the lower region rubber layer, so that after the water absorption main body absorbs urine, the elastic waistline can provide enough elasticity, the whole comfortable paper diaper cannot slide off from a baby, meanwhile, the elasticity of the whole elastic waistline is not too large, and the wearing comfort level is guaranteed.

Description

Comfortable paper diaper and manufacturing method thereof

Technical Field

The invention relates to the technical field of disposable sanitary products, in particular to a comfortable paper diaper and a manufacturing method thereof.

Background

The paper diaper is a common disposable sanitary article for babies, and has the advantages of convenient wearing and taking off, convenient use and strong water absorption performance.

In the utility model discloses a chinese utility model patent that the publication is CN210521215U, a comfortable panty-shape diapers of multilayer core leak protection is disclosed, including comfortable panty-shape diapers main part, the fixed elastic waistline that is provided with of upside of comfortable panty-shape diapers main part, comfortable panty-shape diapers core includes close skin layer and super gentle extexine, the fixed first water conservancy diversion layer that is provided with of downside that comfortable panty-shape diapers core is located close skin layer, the fixed polymer that is provided with of downside that comfortable panty-shape diapers core is located first water conservancy diversion layer absorbs water the layer, the fixed second water conservancy diversion layer that is provided with of downside that comfortable panty-shape diapers core is located the polymer layer that absorbs water, the fixed leak protection side wall that is provided with of downside that comfortable panty-shape diapers core is located second water conservancy diversion layer, the fixed leak protection side wall that is provided with in the edge that comfortable panty-shape diapers main part is located first leg hole and second leg hole.

Above-mentioned comfortable panty-shape diapers among the prior art, its elastic waistline obtains elasticity through putting into a plurality of rubber bands in to the surface course, because the rubber band is comparatively thick, easily produces the friction to the delicate and tender skin of baby, and the waist is drawn the trace easily to appear, leads to appearing red and swollen, influences and dresses the comfort level.

Disclosure of Invention

The invention aims to solve the problem that the waist of a baby is easy to generate strange marks and red swelling due to the elastic waistline of the paper diaper in the prior art, and provides a comfortable paper diaper which has the advantages that the elastic distribution of the elastic waistline is uniform, and the waist is comfortable when the diaper is worn.

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a comfortable panty-shape diapers, includes water-absorbing main part and elastic waist, the top of water-absorbing main part is located to elastic waist, elastic waist comprises first non-woven fabrics layer, elasticity hot melt adhesive layer and second non-woven fabrics layer from outer to interior in proper order, elasticity hot melt adhesive layer includes upper segment glue film and lower zone glue film, the lower zone glue film is located the bottom of upper segment glue film, the elasticity of upper segment glue film is greater than the elasticity of lower zone glue film.

According to the invention, the elastic hot melt adhesive is adopted in the elastic waistline to replace rubber bands, the force application area is large, the elastic force is applied more uniformly, the elasticity of the upper region rubber layer is larger than that of the lower region rubber layer, so that after the water absorption main body absorbs urine, the elastic waistline can provide enough elasticity, the whole comfortable paper diaper cannot slide off the baby body, meanwhile, the elasticity of the whole elastic waistline is not too large, pain and swelling of the waist of the baby are avoided, and the wearing comfort level is ensured.

Furthermore, the upper area glue layer and the lower area glue layer are both composed of a plurality of strip-shaped glue strips.

Further, the adjacent strip-shaped adhesive tapes of the upper adhesive layer are parallel to each other; the lower zone is adjacent to the glue layer the banded adhesive tape is parallel to each other.

Furthermore, the ribbon-shaped adhesive tape of the upper adhesive layer is in an omega-omega shape, and the ribbon-shaped adhesive tape of the lower adhesive layer is in a S-S shape.

Furthermore, the water absorption main body is composed of a first non-woven fabric layer, a second non-woven fabric layer, a breathable base membrane, a water absorption core body and a skin-friendly surface layer from bottom to top in sequence, and the first non-woven fabric layer, the second non-woven fabric layer, the breathable base membrane, the water absorption core body and the skin-friendly surface layer are fixedly attached.

The invention also provides a manufacturing method of the comfortable paper diaper, which comprises the following steps:

s1, fixedly attaching a first non-woven fabric layer, a second non-woven fabric layer, a breathable base membrane, a water absorption core body and a skin-friendly surface layer to form a water absorption main body, and fixing surrounding edges on two sides of the water absorption main body;

s2, coating the elastic hot melt adhesive on the lower area adhesive layer position of the first non-woven fabric layer and the upper area adhesive layer position of the second non-woven fabric layer, and then mechanically pressing the first non-woven fabric layer and the second non-woven fabric layer to enable the upper area adhesive layer and the lower area adhesive layer coated with the elastic hot melt adhesive to form an elastic waistline;

and S3, cutting off the non-woven fabric close to the surrounding edge to form a hole for the baby to stretch out of the leg, namely forming the comfortable paper diaper.

Further, in the step S2, the elastic hot melt adhesive is coated in a manner that a glue gun intermittently sprays glue, a glue spraying or scraping manner is adopted during coating, the temperature of the glue gun is 110-200 ℃, the glue spraying amount is 4-7 g/square meter, and the width of the strip-shaped adhesive tape forming the upper area adhesive layer and the lower area adhesive layer is 0.5-15 mm.

Further, the temperature of the glue gun is 120-170 ℃.

Further, the skin-friendly surface layer is a non-woven fabric with the denier of 0.6-4.

Further, the skin-friendly surface layer is a non-woven fabric with the denier of 0.6-2.

Compared with the prior art, the invention has the beneficial effects that:

the elastic hot melt adhesive is adopted to replace rubber bands, the force application area is large, the elastic force is applied more uniformly, and the elasticity of the upper area adhesive layer is larger than that of the lower area adhesive layer, so that after the water absorption main body absorbs urine, the elastic waistline can provide enough elasticity, the whole comfortable paper diaper is ensured not to slide off the baby body, meanwhile, the elasticity of the whole elastic waistline is ensured not to be too large, and the wearing comfort level is ensured;

the belt-shaped adhesive tape of the upper-area adhesive layer in the shape of omega is arranged, so that the red mark on the waist of the baby cannot be drawn under the condition that the upper-area adhesive layer has enough elasticity; the ribbon-shaped adhesive tape of the S-shaped lower adhesive layer can disperse the elastic force applied by the elastic waistline to the waist of the baby, so that the waistline can be comfortably attached to the waist of the baby.

Drawings

FIG. 1 is a schematic view of the overall construction of an embodiment of a comfort diaper of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of another angle of the overall structure of an embodiment of a comfortable diaper of the present invention;

FIG. 4 is a process flow diagram of an embodiment of a comfort diaper of the present invention.

In the drawings: 1. a water absorbent main body; 11. a breathable basement membrane; 12. a water absorbent core; 13. surrounding edges; 14. a skin-friendly facing layer; 2. a first nonwoven layer; 3. a second nonwoven layer; 4. an elastic waist band; 41. an elastic hot melt adhesive layer; 411. an upper zone glue layer; 412. the lower zone glue film.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "long", "short", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, it is only for convenience of description and simplicity of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

The technical scheme of the invention is further described in detail by the following specific embodiments in combination with the attached drawings:

examples

Referring to fig. 1 to 3, an embodiment of a comfortable paper diaper according to the present invention includes a water absorption main body 1 and an elastic waistline 4, the elastic waistline 4 is disposed on a top portion of the water absorption main body 1, the elastic waistline 4 is sequentially composed of a first nonwoven fabric layer 2, an elastic hot-melt adhesive layer 41 and a second nonwoven fabric layer 3 from outside to inside, the elastic hot-melt adhesive layer 41 includes an upper area adhesive layer 411 and a lower area adhesive layer 412, the lower area adhesive layer 412 is located at a bottom portion of the upper area adhesive layer 411, and elasticity of the upper area adhesive layer 411 is greater than elasticity of the lower area adhesive layer 412.

Specifically, the absorbent main body 1 and the elastic waistline 4 are integrally formed, the first nonwoven fabric layer 2 and the second nonwoven fabric layer 3 are both shaped like an hourglass, and the two ends of the first nonwoven fabric layer 2 and the second nonwoven fabric layer 3 in the length direction are welded by ultrasonic waves, so that a comfortable paper diaper in a triangular underpants shape is formed, and the top of the comfortable paper diaper is annular, namely, the elastic waistline 4.

In one embodiment, the upper adhesive layer 411 and the lower adhesive layer 412 are both composed of a plurality of strip-shaped adhesive tapes, and the extending direction of each strip-shaped adhesive tape is parallel to the elastic direction of the elastic waist 4. The strip-shaped adhesive tapes forming the upper adhesive layer 411 and the lower adhesive layer 412 are in a strip shape, so that the effect of dispersing the elastic force applied to the elastic waistline 4 is achieved.

In one embodiment, the adjacent tape strips are parallel to each other, thereby achieving the effect of uniformly distributing the elastic force applied by the elastic waist band 4.

In one embodiment, the strip-shaped adhesive strip of upper adhesive layer 411 is "Ω Ω Ω Ω Ω", and the strip-shaped adhesive strip of lower adhesive layer 412 is "S-S". Specifically, the strip-shaped adhesive tape of the upper adhesive layer is formed by sequentially arranging and connecting a plurality of omega-shaped elastic hot melt adhesive units into a strip shape, so that the red mark on the waist of the baby cannot be drawn out under the condition that the upper adhesive layer 411 has enough elasticity; the banded adhesive tape of the lower adhesive layer is sequentially arranged and connected by a plurality of S-shaped elastic hot melt adhesive units to form a banded shape, so that the elasticity of the elastic waistline 4 applied to the waist of the baby can be dispersed, and the waistline can be comfortably attached to the waist of the baby. Thus, the elasticity of the upper adhesive layer 411 is larger than that of the lower adhesive layer 412 because the band-shaped adhesive tape of the lower adhesive layer 412 is S-shaped and the band-shaped adhesive tape of the upper adhesive layer 411 is omega-shaped.

In one embodiment, the water absorbing main body 1 is composed of a first non-woven fabric layer 2, a second non-woven fabric layer 3, an air-permeable bottom film 11, a water absorbing core body 12 and a skin-friendly surface layer 14 from bottom to top in sequence, and the first non-woven fabric layer 2, the second non-woven fabric layer 3, the air-permeable bottom film 11, the water absorbing core body 12 and the skin-friendly surface layer 14 are fixedly attached.

Specifically, the first nonwoven fabric layer 2, the second nonwoven fabric layer 3, the air-permeable base film 11, the water-absorbent core 12, and the skin-friendly surface layer 14 are fixed and bonded to each other by ultrasonic welding. The marginal position department that two confession babies of main part 1 of absorbing water stretch out the hole of shank is provided with surrounding edge 13, is provided with the rubber band in the surrounding edge 13 for surrounding edge 13 has elasticity.

Referring to fig. 4, the method for manufacturing the comfortable paper diaper in this embodiment is as follows:

s1, fixedly attaching a first non-woven fabric layer 2, a second non-woven fabric layer 3, a breathable bottom membrane 11, a water absorption core body 12 and a skin-friendly surface layer 14 through ultrasonic waves to form a water absorption main body 1, and fixing a surrounding edge 13 on the water absorption main body through ultrasonic welding;

s2, discontinuously spraying the elastic hot melt adhesive on the position of the lower area adhesive layer 412 of the first non-woven fabric layer 2 by using a glue gun, wherein the spraying temperature is 120 ℃, the glue spraying amount is 5 g/square meter, and the width of the strip-shaped adhesive tape of the lower area adhesive layer is 0.5 mm; coating the elastic hot melt adhesive on the 411 positions of the upper area adhesive layer of the second non-woven fabric by using an adhesive gun, wherein the spraying temperature is 170 ℃, the width of the strip-shaped adhesive tape of the upper area adhesive layer is 15mm, and the adhesive spraying amount is 7 g/square meter; then, the first nonwoven fabric layer 2 and the second nonwoven fabric layer 3 are pressed together through a compression roller, so that an elastic waistline 4 is formed at the positions of the upper area adhesive layer 411 and the lower area adhesive layer 412 which are coated with the elastic hot melt adhesive;

s3, cutting off the non-woven fabric close to the surrounding edge 13 to form a hole for the baby to stretch out of the leg, namely forming the comfortable paper diaper;

the skin-friendly surface layer is made of 0.6-4 denier non-woven fabric, and preferably made of 2 denier non-woven fabric.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a comfortable panty-shape diapers, its characterized in that, including main part (1) and the elastic waist line (4) that absorb water that is used for absorbing liquid, the top of main part (1) that absorbs water is located in elastic waist line (4), elastic waist line (4) comprises first non-woven fabrics layer (2), elasticity hot melt adhesive layer (41) and second non-woven fabrics layer (3) in proper order from outer to inner, elasticity hot melt adhesive layer (41) include upper region glue film (411) and lower region glue film (412), lower region glue film (412) are located the bottom of upper region glue film (411), the elasticity of upper region glue film (411) is greater than the elasticity of lower region glue film (412).

2. The comfort diaper according to claim 1, characterized in that said upper (411) and lower (412) adhesive zones are each constituted by a plurality of strips of adhesive tape.

3. The comfort pant diaper according to claim 2, wherein adjacent said strip-shaped strips of the upper region glue layer (411) are parallel to each other; the adjacent ribbon-shaped adhesive tapes of the lower area adhesive layer (412) are mutually parallel.

4. The comfortable paper diaper according to claim 2, characterized in that said strip-shaped adhesive tape of upper adhesive layer (411) is "Ω Ω Ω Ω" shaped, and said strip-shaped adhesive tape of lower adhesive layer (412) is "s".

5. The comfortable paper diaper as claimed in claim 1, wherein the absorbent main body (1) is composed of a first non-woven fabric layer (2), a second non-woven fabric layer (3), a breathable base membrane (11), a water-absorbent core (12) and a skin-friendly surface layer (14) from bottom to top in sequence, and the first non-woven fabric layer (2), the second non-woven fabric layer (3), the breathable base membrane (11), the water-absorbent core (12) and the skin-friendly surface layer (14) are fixedly attached to each other.

6. A method of making a comfortable pant diaper according to any of claims 1-5, comprising the steps of:

s1, fixedly attaching a first non-woven fabric layer (2), a second non-woven fabric layer (3), a breathable bottom membrane (11), a water-absorbing core body (12) and a skin-friendly surface layer (14) to form a water-absorbing main body (1), and fixing surrounding edges (13) on two sides of the water-absorbing main body (1);

s2, coating the elastic hot melt adhesive on the lower area adhesive layer (412) of the first non-woven fabric layer (2) and the upper area adhesive layer (411) of the second non-woven fabric layer, and then mechanically pressing the first non-woven fabric layer (2) and the second non-woven fabric layer (3) to form an elastic waistline (4) at the positions of the upper area adhesive layer (411) and the lower area adhesive layer (412) coated with the elastic hot melt adhesive;

and S3, cutting off the non-woven fabric close to the surrounding edge (13) to form a hole for the baby to stretch out of the leg, namely forming the comfortable paper diaper.

7. The method for manufacturing the comfortable paper diaper according to claim 6, wherein in the step S2, the elastic hot melt adhesive is coated by adopting a glue gun to intermittently spray glue, the glue gun is used for spraying or scraping glue during coating, the temperature of the glue gun is 110-200 ℃, and the glue spraying amount is 4-7 g/square meter; the width of the strip-shaped adhesive tape forming the upper area adhesive layer (411) and the lower area adhesive layer (412) is 0.5-15 mm.

8. The method for manufacturing a comfortable paper diaper according to claim 7, wherein the temperature of the glue gun is 120-170 ℃.

9. The method for manufacturing the comfortable paper diaper as claimed in claim 6, wherein the skin-friendly surface layer (14) is a non-woven fabric with a fineness of 0.6-4 deniers.

10. The method for manufacturing a comfortable paper diaper according to claim 9, wherein the skin-friendly surface layer (14) is a non-woven fabric with a fineness of 0.6-2 deniers.