CN112891067A

CN112891067A - Antibacterial deodorant paper diaper

Info

Publication number: CN112891067A
Application number: CN202110301464.6A
Authority: CN
Inventors: 王仁艺
Original assignee: Jiangxi Marvel Consumer Products Co ltd
Current assignee: Jiangxi Marvel Consumer Products Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-06-04

Abstract

The invention relates to the field of sanitary products, in particular to a bacteriostatic and deodorant paper diaper which comprises a liquid-permeable surface layer, an absorption core body for absorbing liquid and a bottom layer for preventing urine from being permeated outwards, wherein the absorption core body is used for forming a front waist region, a middle crotch region and a rear waist region; the bottom layer comprises a PE bottom film and a non-woven fabric protective layer covering the outer layer of the PE bottom film, and a deodorizing layer is arranged on the outer surface of the PE bottom film. According to the invention, the plant bacteriostatic fiber layer is arranged, and the one-way moisture-conducting structure of the surface layer is matched, so that a better bacteriostatic effect is obtained, and the deodorization layer is arranged on the PE film, so that not only can the diffusion of smell be effectively prevented, but also the effectiveness of the deodorization layer can be better maintained.

Description

Antibacterial deodorant paper diaper

Technical Field

The invention relates to the field of sanitary articles, in particular to a bacteriostatic and deodorant paper diaper.

Background

The paper diaper is convenient to put on and take off, can effectively isolate the excrement of a user to prevent the user from dirtying clothes, is widely applied to infant care, and has safety and comfort which become important consideration factors for more and more mothers to select the paper diaper. After a period of urination, the urine of a baby can emit an unpleasant odor like ammonia, and the baby or a baby mother feels uncomfortable, and the skin of the baby is tender and has poor resistance to bacteria, so that the baby is exposed to excrement for a long time, and the risk of bacterial invasion is increased.

Currently, the following methods are mainly used for inhibiting bacteria of paper diapers: firstly, the surface layer of the paper diaper is provided with nano silver antibacterial particles to form an antibacterial layer. The nano silver really has a good broad-spectrum antibacterial effect in the aspect of antibiosis, but the silver is heavy metal which is not required by a human body, the nano silver particles can permeate into the human body when contacting with the skin of the human body, the safety of the human body is to be further verified, and the use of the nano silver in European and American countries has very strict requirements at present, so that the nano silver is used as the surface layer of the paper diaper and is contacted with the skin of a baby for a long time, and the safety of the diaper cannot be ensured; the second is to spray bacteriostatic agent on the surface of the diaper, which is common mixed solution of various Chinese herbal extracts with bacteriostatic effect, but the Chinese herbal ingredients are complex, so the extraction process is complex, the safety of the infant due to the compounding of various extracts is still to be checked, and the production process of the mixed solution is complex and the production cost is high.

For the deodorization of the paper diaper, it is common to add an activated carbon adsorption layer or coat a deodorant on the surface layer or the absorption core, but the increase of the activated carbon may affect the liquid absorption of the absorption core, and further, since the surface layer or the absorption core may contact urine, the surface layer or the absorption core may be diluted after contacting more urine, and the deodorization effect is greatly reduced.

Disclosure of Invention

In order to solve the problems, the invention provides the bacteriostatic and deodorant paper diaper, the plant bacteriostatic fiber layer is arranged, the unidirectional moisture-conducting structure of the surface layer is matched, a good bacteriostatic effect is obtained, and the deodorant layer is arranged on the PE film, so that the diffusion of smell can be effectively prevented, and the effectiveness of the deodorant layer can be well maintained.

The utility model provides a bacteriostatic and deodorant panty-shape diapers, its includes the liquid permeability surface course for absorb the absorption core of liquid and prevent the bottom of urine exosmosis to formed preceding waist region, middle crotch region and back waist region, its characterized in that:

the surface layer is of a one-way moisture-conducting composite structure, the upper surface layer of the surface layer is a non-woven fabric fiber net made of hydrophobic fibers, the upper surface of the upper surface layer comprises a plurality of protruding structures, and the lower surface layer of the surface layer comprises a hydrophilic non-woven layer made of antibacterial fibers;

the bottom layer comprises a PE bottom film and a non-woven fabric protective layer covering the outer layer of the PE bottom film, and a deodorizing layer is arranged on the outer surface of the PE bottom film.

Preferably, the lower surface layer further comprises a moisture-conducting layer arranged between the hydrophilic non-woven layer and the surface layer, and the moisture-conducting layer is also preferably made of fibers with bacteriostatic functions.

Preferably, the hydrophilic non-woven layer is a bamboo fiber non-woven layer.

Preferably, the moisture-guiding layer is a soybean fiber non-woven fabric layer.

Preferably, the deodorizing layer is a printed layer attached to the PE base film by printing.

Preferably, the upper surface layer is a through-air bonded nonwoven layer.

Preferably, the upper surface layer is a spunlace modified hydrophobic cotton fiber non-woven fabric layer.

Preferably, the upper surface of the upper surface layer is provided with a plurality of liquid-permeable micropores.

Preferably, the left side and the right side of the crotch part are provided with elastic rubber bands and connected with the front waist region and the rear waist region, and two sides of each elastic rubber band are provided with non-woven fabric protective wings.

Preferably, the two sides of the front waist region and the back waist region are respectively provided with a magic tape and an adhesive region for annular closing, and at least one part of the front waist region and the back waist region is transversely provided with an elastic rubber band.

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

compared with the antibacterial layer made of nano silver or composite important solvent, the antibacterial layer has better safety, and the antibacterial activity of the antibacterial layer cannot be diluted along with the flow of urine to influence the effect.

2 the surface layer of the invention has the effects of quick moisture conduction and keeping the upper surface of the surface layer dry and comfortable by adopting the upper hydrophobic layer and the lower water absorbing layer and combining the protruding effect of the upper layer, and can play the role of assisting in reducing the breeding of bacteria so as to increase the antibacterial activity.

The deodorant layer of the present invention is provided on the PE base film, and when a gas such as ammonia gas permeates the PE base film, the deodorant layer comes into contact with the gas to eliminate odor, and compared with a paper diaper in which a deodorant is provided on the surface layer or the absorbent core, the deodorant layer is not directly contacted with the skin of an infant, and is highly safe, and is not diluted with urine or the like, and the effectiveness of the deodorant layer can be maintained for a long time.

Drawings

Fig. 1 is a schematic cross-sectional structure view of a diaper according to an embodiment of the present invention;

fig. 2 is a schematic view showing the overall structure of a diaper according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional structure view of a diaper according to embodiment 2 of the present invention.

Surface course 1, upper surface course 10, protruding structure 100, hydrophilic non-woven layer 11, lead wet layer 12, absorb core 2, bottom 3, PE basement membrane 30, deodorant layer 300, non-woven fabrics inoxidizing coating 31, preceding lumbar region 4, middle crotch region 5, elasticity rubber band 50, non-woven fabrics flap 51, back lumbar region 6, magic subsides 70, bonding zone 71, elasticity rubber band 8.

Detailed Description

The invention will be further explained below with reference to examples and figures.

Example 1

As shown in fig. 1 and 2, a bacteriostatic and deodorant diaper comprising a liquid-permeable topsheet 1, an absorbent core 2 for absorbing liquid and a backsheet 3 for preventing urine from being exuded, and forming a front waist region 4, an intermediate crotch region 5 and a rear waist region 6,

the surface layer 1 is of a one-way moisture-conducting composite structure, the upper surface layer 10 of the surface layer 1 is a non-woven fabric fiber net made of hydrophobic fibers, for example, the upper surface layer 10 can be a hot-air bonded non-woven fabric layer, such as polyethylene hot-air bonded non-woven fabric or two-component hot-air bonded non-woven fabric, and the fibers are hydrophobic materials per se; in addition, the fabric can also be a non-woven fabric layer made of modified fibers, such as modified cotton fibers, the hydrophobic modification of the cotton fibers is realized by changing the hydrophilic functional groups of the cotton fibers, and the non-woven fabric fiber net serving as the upper surface layer 10 is comfortable and can achieve the hydrophobic effect; the upper surface of the upper surface layer 10 includes a plurality of minute protruding structures 100, and the protruding structures 100 function to increase the contact area between urine and the upper surface layer 10, and form a three-dimensional structure of the upper surface layer through the protruding structures 100, so that more air circulation is maintained between the upper surface layer 10 and the skin of the infant.

The lower surface layer of the surface layer 1 comprises a hydrophilic non-woven layer 11 made of bacteriostatic fibers, and the hydrophilic non-woven layer 11 is a bamboo fiber non-woven layer.

Regarding the structure of the bamboo fibrils: the bamboo fiber has concave-convex deformation of cross section, is fully distributed with approximately elliptical pores, is highly hollow, has extremely strong capillary effect, can instantly absorb and evaporate water, has extremely good moisture absorption and desorption performance and air permeability of the bamboo fiber, and has the temperature of 36 ℃; the moisture regain of the bamboo fiber is over 45% under the condition that the relative humidity is 100%.

Regarding the bacteriostatic activity of bamboo fibrils: the bamboo fiber product has natural antibacterial, bacteriostatic and bactericidal effects, and because the bamboo is internally provided with a unique substance named as 'bamboo quinone', the bamboo fiber product has natural antibacterial, anti-mite, deodorant and insect-proof functions. The observation under a microscope shows that the bacteria can not survive on the bamboo fiber product for a long time, and can disappear or reduce in a short time, and the bacterial death rate reaches over 75 percent in 24 hours. According to the detection result, the bactericidal value and the bacteriostatic activity value of the bamboo fiber gray fabric for two bacteria, namely staphylococcus aureus AATCC 6538P and escherichia coli AATCC 25922, are higher than those of ramie fiber gray fabric.

Regarding the safety of bamboo fiber, modern medicine considers: the antioxidant compound in the 'bamboo element' can effectively remove free radicals and ester peroxide compounds in vivo, can block strong carcinogenic N-nitrous acid amino compounds, can obviously improve the immunity of organisms, and has the biological effects of moistening skin, resisting fatigue and resisting aging. Because of the natural antibacterial function of the bamboo fiber product, the prepared product does not need to be added with any artificially synthesized antibacterial agent, does not cause the allergic phenomenon of the skin, and is safe for infants when being used in paper diapers.

In addition, the bamboo fiber has strong adsorption capacity due to the special ultrafine pore structure inside the bamboo fiber, can adsorb harmful substances such as formaldehyde, benzene, toluene, ammonia and the like in the air, and eliminate bad odor, through a deodorization test on the bamboo fiber, the ammonia with the initial concentration of 40PPM can be effectively reduced to one tenth after 2 hours, and the bamboo fiber contains sodium copper chlorophyllin, so that the bamboo fiber also has good deodorization effect, and the deodorization rate of the bamboo fiber on acid odor reaches 93-95%. In conclusion, the bamboo fiber can play a first layer of deodorization effect in the baby diaper.

In addition, the growth period of the bamboo is short, the bamboo can be grown in 2-3 years and planted for a long time, the bamboo can grow by 3 feet in one night, the bamboo can grow and update quickly, and the resources are wide; the product made of the bamboo fiber can be naturally degraded in soil, has no pollution to the environment after being decomposed, and is a natural, green and environment-friendly textile raw material.

In this embodiment, the bottom layer 3 includes a PE base film 30 and a non-woven fabric protective layer 31 covering the outer layer of the PE base film 30, a deodorizing layer 300 is disposed on the outer surface of the PE base film 30, the deodorizing layer 300 contains a deodorant capable of adsorbing ammonia gas to generate a main gas of urine odor, and is used as a second layer of deodorization of the paper diaper, and the connection form of the deodorizing layer and the PE base film 30 includes but is not limited to the following: the first is printing, namely, the active ingredient of the deodorant is dissolved in a viscous chemical agent, such as paint added with a binder, and then the active ingredient is printed on the PE base film in a pattern, the deodorant particles are not completely included by the paint so as to avoid the influence of the contact of the deodorant and ammonia gas on the adsorption effect, and the paint is preferably water paint so as to avoid the influence of the addition of the paint on the air permeability of the PE base film; the second method is to connect the textile material such as air-permeable non-woven fabric sprayed or impregnated with deodorant to the outside of the PE base membrane in the form of patch, and the connection method includes edge heat bonding, adhesive bonding, etc., and the non-woven fabric with deodorization function can also play a role in adsorbing and deodorizing when contacting ammonia gas permeating the PE base membrane.

The raw bamboo fiber non-woven fabric layer in the embodiment can be made of 100% raw bamboo fiber, and can also be made of raw bamboo fiber mixed with other hydrophilic fibers, in order to ensure the antibacterial effect, the proportion of the raw bamboo fiber in the mixed fiber is not lower than 30%, the other hydrophilic fibers can be viscose fibers, and the mixed fiber has the advantage that the cost can be effectively controlled.

Example 2

As shown in fig. 3, in order to increase the comfort and improve the flow conductivity of the surface layer 1, in this embodiment, on the premise of example 1, the lower surface layer 11 further includes a moisture-wicking layer 12 made of bacteriostatic fibers disposed below the hydrophilic nonwoven layer 11. In this embodiment, the moisture-transmitting layer 12 is an antibacterial nonwoven fabric layer made of soybean fibers. Products of functional soybean fibers, such as antibacterial type, ultraviolet resistant type, far infrared type, and the like, have been promoted to the market.

The soybean fiber is soybean protein polyvinyl alcohol with the content of 16-50 percent, only two major components are produced by grafting, copolymerization and blending, the soybean fiber is determined as the soybean fiber, the fiber structure is dumbbell-shaped and irregular waist-shaped and is rich in longitudinal groove-shaped, the surface of the skin is formed by convex-concave island shapes, the rainbow absorption liquid sweat guiding property of the soybean fiber is very strong, the soybean fiber has light specific weight, fine fineness and low friction, and the soybean fiber is soft and has strong skin-friendly feeling when being contacted with the skin of a human body. Therefore, the soybean fiber nonwoven fabric layer is provided between the upper surface layer 10 and the hydrophilic nonwoven layer 11, which can increase the skin-friendly property of the top sheet 1 and the liquid permeability thereof.

Example 3

In order to further increase the liquid permeability of the upper layer, in the present embodiment, on the premise of the above embodiments, the surface of the upper layer 10 is provided with a plurality of liquid permeability micropores, which facilitate further permeation of urine, and the surface layer 1 is a unidirectional moisture-guiding structure, which effectively avoids the reverse osmosis phenomenon.

For the travelling comfort that further improves the baby and wear, and prevent that urine from leaking from the side, the left and right sides of crotch portion 5 is provided with elasticity rubber band 50, and connects preceding lumbar region 5 and back lumbar region 6, the both sides of elasticity rubber band 50 are equipped with non-woven fabrics flap 51. The two sides of the front waist region 5 and the back waist region 6 are respectively provided with a magic tape 70 and a bonding region 71 for annular closing, at least one part of the front waist region 5 and the back waist region 6 is transversely provided with an elastic rubber band 8, the elastic rubber band 8 can properly provide waist circumference elasticity, and the auxiliary magic tape 70 and the bonding region 71 enable the waist circumference of the paper diaper to be closed and are more suitable for babies. Because 8 sets up in the partly of lumbar region of elasticity rubber band, both can provide elasticity, also save material, reduce simultaneously because of whole lumbar region sets up when the rubber band, the baby's skin that the shrink fold caused is uncomfortable, and this setting is more comfortable promptly.

It should be noted that in the description of the present invention, the terms "upper", "lower", "outer", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience and simplicity of description of the present invention, and do not indicate or imply that the illustrated devices or elements must have a specific orientation or positional relationship, and thus, the present invention should not be construed as being limited. The term "connected" in the present invention is to be understood as a broad connection, for example, a mechanical connection, an electrical connection, or a connection between elements, which may be a direct connection, or an indirect connection via an intermediary. The meaning of the above terms in the present invention can be specifically understood by those skilled in the art according to the actual circumstances.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a bacteriostatic deodorant panty-shape diapers, its includes liquid-permeable surface course (1), is used for absorbing the absorption core (2) of liquid and prevents bottom (3) that the urine exosmoses to formed front waist region (4), middle crotch region (5) and back waist region (6), its characterized in that:

the surface layer (1) is of a one-way moisture-conducting composite structure, the upper surface layer (10) of the surface layer (1) is a non-woven fabric fiber net made of hydrophobic fibers, the upper surface of the upper surface layer (10) comprises a plurality of protruding structures (100), and the lower surface layer of the surface layer (1) comprises a hydrophilic non-woven layer (11) made of antibacterial fibers;

the bottom layer (3) comprises a PE bottom film (30) and a non-woven fabric protective layer (31) covering the PE bottom film (30), and a deodorizing layer (300) is arranged on the outer surface of the PE bottom film (30).

2. A bacteriostatic and deodorant paper diaper according to claim 1, characterized in that: the lower surface layer (11) also comprises a moisture-conducting layer (12) arranged between the hydrophilic non-woven layer (11) and the upper surface layer (10).

3. A bacteriostatic and deodorant paper diaper according to claim 2, characterized in that: the hydrophilic non-woven layer (11) is a bamboo fiber non-woven fabric layer.

4. A bacteriostatic and deodorant paper diaper according to claim 3, characterized in that: the moisture-conducting layer (12) is a soybean fiber non-woven fabric layer.

5. A bacteriostatic and deodorant paper diaper according to any one of claims 1-4, characterized in that: the deodorizing layer (300) is a printed layer, which is attached to the PE base film (30) by printing.

6. A bacteriostatic and deodorant paper diaper according to claim 5, characterized in that: the upper surface layer (10) is a hot air bonded non-woven fabric layer.

7. A bacteriostatic and deodorant paper diaper according to claim 5, characterized in that: the upper surface layer (10) is a spunlace modified hydrophobic cotton fiber non-woven fabric layer.

8. A bacteriostatic and deodorising paper diaper according to claim 6 or 7, characterized in that: the upper surface of the upper surface layer (10) is provided with a plurality of liquid-permeable micropores.

9. A bacteriostatic and deodorant paper diaper according to claim 8, characterized in that: the left side and the right side of the crotch part (5) are provided with elastic rubber bands (50) which are connected with the front waist part (5) and the rear waist part (6), and two sides of each elastic rubber band (50) are provided with non-woven fabric protective wings (51).

10. A bacteriostatic and deodorant paper diaper according to claim 8, characterized in that: the two sides of the front waist region (5) and the back waist region (6) are respectively provided with a magic tape (70) and a bonding region (71) for annular closing, and at least one part of the front waist region (5) and the back waist region (6) is transversely provided with an elastic rubber band (8).