CN110341243B - Paper diaper with high air permeability - Google Patents
Paper diaper with high air permeability Download PDFInfo
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- CN110341243B CN110341243B CN201910540398.0A CN201910540398A CN110341243B CN 110341243 B CN110341243 B CN 110341243B CN 201910540398 A CN201910540398 A CN 201910540398A CN 110341243 B CN110341243 B CN 110341243B
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Classifications
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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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
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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
- A61F13/84—Accessories, not otherwise provided for, for absorbent pads
- A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
- D04H3/147—Composite yarns or filaments
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530131—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp
- A61F2013/53016—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp having special shape
- A61F2013/530167—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp having special shape being crimped
Abstract
The invention relates to the technical field of paper diapers, in particular to a paper diaper with high air permeability. The moisture absorption layer comprises a breathable surface layer, a latticed composite core layer and a moisture absorption outer layer from top to bottom; the latticed composite core layer comprises a plurality of curled moisture-proof non-woven fabrics and a plurality of water-absorbing core bodies, the curled moisture-proof non-woven fabrics are provided with two layers, the water-absorbing core bodies are distributed between the two layers of curled moisture-proof non-woven fabrics in a latticed manner, and a gap is formed between any two adjacent water-absorbing core bodies; the invention has the beneficial effects that: the bi-component fiber is spun into a spiral curling structure, so that the curling type moisture-proof non-woven fabric has a fluffy structure, and the air permeability is greatly enhanced; the inside of the curled moisture-proof non-woven fabric has more hollow structures, so that the water storage capacity is strong, and the curled moisture-proof non-woven fabric has better moisture-proof capacity; the gaps between the water-absorbing cores enable the water-absorbing cores to have excellent air permeability while ensuring absorption efficiency.
Description
Technical Field
The invention relates to the technical field of paper diapers, in particular to a paper diaper with high air permeability.
Background
Nonwoven fabrics, also known as nonwovens, commonly used in diapers are composed of oriented or random fibers. It is called a cloth because of its appearance and certain properties. For example, a nonwoven fabric disclosed in publication No. CN206703628U discloses a hydrophilic skin-friendly nonwoven fabric.
The non-woven fabric has the characteristics of moisture resistance, air permeability, flexibility, light weight, no combustion supporting, easy decomposition, no toxicity or irritation, rich color, low price, recycling and the like. For example, the polypropylene fiber is produced by adopting polypropylene granules as raw materials through a continuous one-step method of high-temperature melting, spinning, laying a line and hot-pressing coiling.
The bi-component non-woven fabric is one kind of non-woven fabric, and is functional non-woven fabric formed through extruding two kinds of slicing material with different performance in separate screw extruder, melting, compounding, spinning to form web and reinforcing. The most important advantage of the double-component spun-bonded non-woven technology is that different raw materials can be used, products with different properties can be produced through different composite forms, and the development space of the spun-bonded non-woven technology is greatly expanded.
The existing paper diaper product is usually produced by adopting multilayer composite cloth due to the fact that the water absorption performance and the moisture-proof and leakage-proof performance of a core body of the existing paper diaper product need to be guaranteed, so that the paper diaper is heavy and does not have air permeability, and especially in hot summer, a baby is wrapped by the wet and airtight paper diaper, so that the skin problems of eczema erythra and the like are easily caused.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides a paper diaper with high air permeability suitable for infants in summer.
In order to solve the technical problems, the invention adopts the technical scheme that: a paper diaper with high air permeability comprises an air-permeable surface layer, a latticed composite core layer and a moisture absorption outer layer from top to bottom;
the latticed composite core layer comprises a plurality of curled moisture-proof non-woven fabrics and a plurality of water-absorbing core bodies, the curled moisture-proof non-woven fabrics are provided with two layers, the water-absorbing core bodies are uniformly distributed between the two layers of curled moisture-proof non-woven fabrics, and a gap is formed between any two adjacent water-absorbing core bodies;
the crimp-type moisture-proof non-woven fabric is formed by spun-bonding parallel bi-component fibers, the parallel bi-component fibers are in a spiral crimp structure, and the parallel bi-component fibers are obtained by spinning two similar fiber polymers with different shrinkage degrees.
The invention has the beneficial effects that: the bi-component fiber is spun into a spiral curling structure, so that the curling type moisture-proof non-woven fabric has a fluffy structure, and the air permeability is greatly enhanced; the inside of the curled moisture-proof non-woven fabric has more hollow structures, so that the water storage capacity is strong, and the curled moisture-proof non-woven fabric has better moisture-proof capacity; the gaps between the water absorption cores ensure that the water absorption efficiency is ensured and the water absorption cores have excellent air permeability, and after the water absorption cores absorb water, the gaps are ventilated to accelerate the evaporation of liquid, so that a baby can feel cool when the baby pillow is used in summer.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description will be given with reference to the embodiments.
The most key concept of the invention is as follows: the paper diaper body is fluffy, the air permeability is strong, and the moisture barrier property is good; the water absorption core body is in grid distribution, and even if the water absorption core body absorbs water and expands, the water absorption core body still has good air permeability.
A paper diaper with high air permeability comprises an air-permeable surface layer, a latticed composite core layer and a moisture absorption outer layer from top to bottom;
the latticed composite core layer comprises a plurality of curled moisture-proof non-woven fabrics and a plurality of water-absorbing core bodies, the curled moisture-proof non-woven fabrics are provided with two layers, the water-absorbing core bodies are uniformly distributed between the two layers of curled moisture-proof non-woven fabrics, and a gap is formed between any two adjacent water-absorbing core bodies;
the crimp-type moisture-proof non-woven fabric is formed by spun-bonding parallel bi-component fibers, the parallel bi-component fibers are in a spiral crimp structure, and the parallel bi-component fibers are obtained by spinning two similar fiber polymers with different shrinkage degrees.
From the above description, the beneficial effects of the present invention are: the bi-component fiber is spun into a spiral curling structure, so that the curling type moisture-proof non-woven fabric has a fluffy structure, and the air permeability is greatly enhanced; the inside of the curled moisture-proof non-woven fabric has more hollow structures, so that the water storage capacity is strong, and the curled moisture-proof non-woven fabric has better moisture-proof capacity; the gaps between the water absorption cores ensure that the water absorption efficiency is ensured and the water absorption cores have excellent air permeability, and after the water absorption cores absorb water, the gaps are ventilated to accelerate the evaporation of liquid, so that a baby can feel cool when the baby pillow is used in summer.
Furthermore, the moisture absorption outer layer comprises water-permeable skin-friendly non-woven fabrics with different hydrophilic degrees from outside to inside, and the hydrophilic non-woven fabrics and the hydrophobic non-woven fabrics are formed through hot air bonding spinning.
As can be seen from the above description, the outer layer cloth of the bottom of the ordinary diaper does not absorb moisture, the legs of the baby are easy to sweat in summer, and the inner sides of the thighs are easy to eczema due to the fact that the outer layer cloth does not absorb moisture. The moisture absorption outer layer is in direct contact with the skin by using the water-permeable skin-friendly non-woven fabric, the hydrophilic non-woven fabric in the middle can absorb sweat and store the sweat, and the water-permeable skin-friendly non-woven fabric is always dry and cool, so that the inner side of the thigh of the baby is effectively prevented from generating eczema; and the hydrophobic non-woven fabrics at the inner side are contacted with the bottom end of the latticed composite core layer, so that liquid in the latticed composite core layer is effectively prevented from leaking and seeping downwards.
Furthermore, the surface of the moisture absorption outer layer is provided with three-dimensional embossing, and the moisture absorption outer layer is provided with a plurality of through holes.
As can be seen from the above description, the three-dimensional embossing on the surface of the absorbent outer layer and the through holes inside can enhance the breathability of the diaper.
Furthermore, the moisture absorption outer layer contains mosquito repellent substances, and the mosquito repellent substances comprise evening primrose and lavender essence.
From the above description, the moisture absorption outer layer is added with natural mosquito repellent plant essence such as evening primrose and lavender to prevent the baby from being bitten by mosquitoes.
Further, the moisture-permeable waterproof PE film is positioned between the latticed composite core layer and the moisture-absorbing outer layer, and the moisture permeability of the waterproof PE film is at least 2500g/m2·24hr。
From the above description, it can be known that the waterproof PE film can prevent the liquid in the latticed composite core layer from leaking and seeping down to the moisture absorption outer layer, and meanwhile, the PE film has a large moisture permeation amount, and the high temperature in summer is also beneficial to quickly volatilizing moisture.
Further, ventilative surface course surface is equipped with three-dimensional impressed watermark, ventilative surface course is by last to including the hydrophilic skin non-woven fabrics that permeates water that the hydrophilic degree is different down, and hydrophilic non-woven fabrics and curling type moisture-proof non-woven fabrics are through hot-blast viscose spinning shaping.
From the above description, the surface of the breathable surface layer is provided with the three-dimensional embossing, so that the contact surface of the breathable surface layer and the skin of the infant is reduced, and a gap is left between the surface of the breathable surface layer and the skin of the infant, so that air circulation can be realized; the parent's skin non-woven fabrics that permeates water and infant skin direct contact, the sense of touch is good and possess the water permeability, and moisture is absorbed by hydrophilic non-woven fabrics and permeates down to the compound core layer of below latticed through the diffusion of the moist non-woven fabrics of curling type, and wherein the parent's skin non-woven fabrics that permeates water keeps dry refreshing all the time, and the infant uses and experiences well.
Further, the breathable surface layer contains nourishing and moisturizing substances, and the nourishing and moisturizing substances comprise jasmine extract, citric acid and mint essence.
From the description above, the jasmine extract can nourish the skin, the citric acid can keep the balance between the surface of the diaper and the pH value of the skin, and the mint essence can improve the use comfort in summer; all of these additions reduce the incidence of red buttocks.
Further, the water-permeable skin-friendly non-woven fabric is prepared from the following raw materials in parts by weight: 100 parts of polypropylene, 0.4-0.8 part of titanium dioxide, 0.1-1 part of polyethylene, 0.2-1 part of erucamide and 10 parts of ethylene-propylene copolymer.
Further, the gap between any two adjacent water-absorbing core bodies is 1-3 mm.
As is apparent from the above description, the gap of the water-absorbent core shrinks after it swells by absorbing water, and when the gap is set to 1mm, the gap almost disappears after the core swells by absorbing water; the clearance between the cores of more than 3mm leads to a reduction in the efficiency of water absorption and the leakage of liquid by infiltration, so that a clearance of 1 to 3mm is preferred.
Further, the method for manufacturing the curled moisture-proof non-woven fabric comprises the following steps:
the method comprises the following steps: respectively putting two polypropylene or polyethylene terephthalate with different shrinkage degrees into a screw extruder for melt extrusion;
step two: filtering impurities and unmelted particles of the two molten raw materials with different shrinkage degrees obtained in the step one through a melt filter respectively;
step three: pumping the two impurity-removed raw materials with different shrinkage degrees obtained in the step two into the same parallel type bi-component spinning component by a spinning pump respectively for spinning to obtain parallel type bi-component fibers;
step four: and drawing the side-by-side bicomponent fibers obtained in the step three to a mesh belt of a web former by a drawing device, and forming a curled moisture-proof non-woven fabric by hot blowing and hot rolling spun-bonding.
Example one
A paper diaper with high air permeability comprises an air-permeable surface layer, a latticed composite core layer and a moisture absorption outer layer from top to bottom;
the latticed composite core layer comprises a plurality of curled moisture-proof non-woven fabrics and a plurality of water-absorbing core bodies, the curled moisture-proof non-woven fabrics are provided with two layers, the water-absorbing core bodies are uniformly distributed between the two layers of curled moisture-proof non-woven fabrics, a gap is formed between any two adjacent water-absorbing core bodies, and the gap between any two adjacent water-absorbing core bodies is 1 mm; the crimp-type moisture-proof non-woven fabric is formed by spun-bonding parallel bi-component fibers, the parallel bi-component fibers are in a spiral crimp structure, and the parallel bi-component fibers are obtained by spinning two similar fiber polymers with different shrinkage degrees.
The breathable surface layer surface is equipped with three-dimensional impressed watermark, the breathable surface layer is by last to including the hydrophilic skin non-woven fabrics that permeates water that hydrophilic degree is different down, and hydrophilic non-woven fabrics and the moist non-woven fabrics of curling type moisture insulation are through hot-blast viscose spinning shaping, contain the skin substance of moisturizing in the breathable surface layer, the skin substance of moisturizing of nourishing includes jasmine extract, citric acid and peppermint essence.
The water-permeable skin-friendly non-woven fabric is prepared from the following raw materials in parts by weight: 100 parts of polypropylene, 0.4-0.8 part of titanium dioxide, 0.1-1 part of polyethylene, 0.2-1 part of erucamide and 10 parts of ethylene-propylene copolymer.
The manufacturing method of the curled moisture-proof non-woven fabric comprises the following steps:
the method comprises the following steps: respectively putting two polypropylene or polyethylene terephthalate with different shrinkage degrees into a screw extruder for melt extrusion;
step two: filtering impurities and unmelted particles of the two molten raw materials with different shrinkage degrees obtained in the step one through a melt filter respectively;
step three: pumping the two impurity-removed raw materials with different shrinkage degrees obtained in the step two into the same parallel type bi-component spinning component by a spinning pump respectively for spinning to obtain parallel type bi-component fibers;
step four: and drawing the side-by-side bicomponent fibers obtained in the step three to a mesh belt of a web former by a drawing device, and forming a curled moisture-proof non-woven fabric by hot blowing and hot rolling spun-bonding.
Example two
A paper diaper with high air permeability comprises an air-permeable surface layer, a latticed composite core layer and a moisture absorption outer layer from top to bottom;
the latticed composite core layer comprises a plurality of curled moisture-proof non-woven fabrics and a plurality of water-absorbing core bodies, the curled moisture-proof non-woven fabrics are provided with two layers, the water-absorbing core bodies are uniformly distributed between the two layers of curled moisture-proof non-woven fabrics, a gap is formed between any two adjacent water-absorbing core bodies, and the gap between any two adjacent water-absorbing core bodies is 3 mm; the crimp-type moisture-proof non-woven fabric is formed by spun-bonding parallel bi-component fibers, the parallel bi-component fibers are in a spiral crimp structure, and the parallel bi-component fibers are obtained by spinning two similar fiber polymers with different shrinkage degrees.
The surface of the breathable surface layer is provided with three-dimensional embossing, the breathable surface layer comprises water-permeable skin-friendly non-woven fabrics with different degrees of hydrophilicity from top to bottom, the hydrophilic non-woven fabrics and the curled moisture-proof non-woven fabrics are formed through hot air bonding, and the breathable surface layer contains nourishing skin-moistening substances which comprise jasmine extract, citric acid and mint essence; the water-permeable skin-friendly non-woven fabric is prepared from the following raw materials in parts by weight: 100 parts of polypropylene, 0.4-0.8 part of titanium dioxide, 0.1-1 part of polyethylene, 0.2-1 part of erucamide and 10 parts of ethylene-propylene copolymer;
the moisture-permeable waterproof PE film is positioned between the latticed composite core layer and the moisture-absorbing outer layer, and the moisture permeability of the waterproof PE film is 2500-10000g/m2·24hr。
Example two phasesCompared with the first embodiment, the gaps between the water absorbing cores in the paper diaper are increased from 1mm to 3mm, the internal air permeability is greatly enhanced, however, the liquid seeps too fast due to the overlarge gaps and is not absorbed by the cores in time and easily leaks to the outside of the paper diaper, so that a waterproof PE film is additionally arranged between the latticed composite core layer and the moisture absorbing outer layer, in order to avoid the reduction of the air permeability of the paper diaper, the waterproof PE film with large moisture permeability is specially adopted, and the water vapor permeability of the waterproof PE film can at least reach 2500g/m2·24hr。
EXAMPLE III
Similar panty-shape diapers with high gas permeability of embodiment one, the difference lies in, the outer surface of moisture absorption is equipped with three-dimensional impressed watermark, just be equipped with a plurality of through-holes in the outer moisture absorption, the outer moisture absorption is by the parent's skin non-woven fabrics that permeates water, hydrophilic non-woven fabrics and hydrophobic non-woven fabrics through the wind-bond spinning and forming, include mosquito repellent material in the outer layer of moisture absorption, mosquito repellent material includes evening primrose and lavender essence.
Comparative example
A paper diaper comprises a non-woven fabric surface layer, a fiber flow guide layer, a water absorption core layer and an outer layer of a plastic bottom film from top to bottom.
TABLE 1
The comparative example is a structure of a common paper diaper sold on the market, a water absorption core body of the common paper diaper is integrally arranged in the paper diaper and does not have a curled moisture-proof non-woven fabric, and as is clear from the passenger air in the table 1, when a core layer does not absorb water, gaps exist between the core bodies, so that the air permeability per unit area is far greater than that of the comparative example; after the core layer absorbs water, the core body gaps of the first embodiment and the second embodiment are reduced, and the core body gaps of the second embodiment are originally larger, so that the influence of water absorption expansion of the core body on the air permeability of the core layer is smaller;
in the first and second embodiments, the water vapor transmission amount is large because the rolled moisture-proof nonwoven fabric is provided and the inner structure thereof is bulky, and the water vapor transmission amount is affected because the waterproof PE film is provided between the lattice-shaped composite core layer and the moisture-absorbing outer layer.
In conclusion, the beneficial effects of the invention are as follows: the bi-component fiber is spun into a spiral curling structure, so that the curling type moisture-proof non-woven fabric has a fluffy structure, and the air permeability is greatly enhanced; the inside of the curled moisture-proof non-woven fabric has more hollow structures, so that the water storage capacity is strong, and the curled moisture-proof non-woven fabric has better moisture-proof capacity; the gaps among the water absorption cores ensure the absorption efficiency and have excellent air permeability, and after the water absorption cores absorb water, the gaps are ventilated to accelerate the evaporation of liquid, so that a baby can feel cool when the absorbent core is used in summer; the surface of the breathable surface layer is provided with the three-dimensional embossing, so that the contact surface of the breathable surface layer and the skin of the baby is reduced, and a gap is reserved between the surface of the breathable surface layer and the skin of the baby, so that air circulation can be realized. The outer layer cloth at the bottom of the common diaper can not absorb moisture, the legs of the baby are easy to sweat in summer, and the inner sides of the thighs can be easily eczema due to the fact that the outer layer cloth does not absorb moisture. The moisture absorption outer layer is in direct contact with the skin by using the water-permeable skin-friendly non-woven fabric, the hydrophilic non-woven fabric in the middle can absorb sweat and store the sweat, and the water-permeable skin-friendly non-woven fabric is always dry and cool, so that the inner side of the thigh of the baby is effectively prevented from generating eczema; and the hydrophobic non-woven fabrics at the inner side are contacted with the bottom end of the latticed composite core layer, so that liquid in the latticed composite core layer is effectively prevented from leaking and seeping downwards. The three-dimensional embossing on the surface of the moisture absorption outer layer and the through holes in the moisture absorption outer layer can enhance the air permeability of the paper diaper. The outer layer of the moisture absorption layer is added with natural mosquito repellent plant essences such as evening primrose, lavender and the like to avoid the infant from being bitten by mosquitoes. The waterproof PE membrane can prevent that the liquid in the latticed composite core layer from leaking and seeping down to the moisture absorption outer layer, and the PE membrane has very big moisture permeability simultaneously, and the high temperature of summer also helps volatilizing the moisture fast. The parent's skin non-woven fabrics that permeates water and infant skin direct contact, the sense of touch is good and possess the water permeability, and moisture is absorbed by hydrophilic non-woven fabrics and permeates down to the compound core layer of below latticed through the diffusion of the moist non-woven fabrics of curling type, and wherein the parent's skin non-woven fabrics that permeates water keeps dry refreshing all the time, and the infant uses and experiences well. The jasmine extract can nourish the skin, the citric acid can keep the pH balance of the surface and the skin of the diaper, and the mint essence can improve the use comfort in summer; all of these additions reduce the incidence of red buttocks.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent modifications made by the present invention in the specification or directly or indirectly applied to the related technical field are included in the scope of the present invention.
Claims (7)
1. A paper diaper with high air permeability is characterized by comprising an air-permeable surface layer, a latticed composite core layer and a moisture absorption outer layer from top to bottom;
the latticed composite core layer comprises a plurality of curled moisture-proof non-woven fabrics and a plurality of water-absorbing core bodies, the curled moisture-proof non-woven fabrics are provided with two layers, the water-absorbing core bodies are uniformly distributed between the two layers of curled moisture-proof non-woven fabrics, and a gap is formed between any two adjacent water-absorbing core bodies;
the crimp-type moisture-proof non-woven fabric is formed by spun-bonding parallel bi-component fibers, the parallel bi-component fibers are in a spiral crimp structure, and the parallel bi-component fibers are obtained by spinning two similar fiber polymers with different shrinkage degrees;
the moisture absorption outer layer comprises water-permeable skin-friendly non-woven fabrics with different degrees of hydrophilicity from outside to inside, and the hydrophilic non-woven fabrics and the hydrophobic non-woven fabrics are formed by hot air bonding;
the surface of the breathable surface layer is provided with three-dimensional embossing, the breathable surface layer comprises water-permeable skin-friendly non-woven fabrics with different degrees of hydrophilicity from top to bottom, and the hydrophilic non-woven fabrics and the curled moisture-proof non-woven fabrics are formed by hot air bonding;
the water-permeable skin-friendly non-woven fabric is prepared from the following raw materials in parts by weight: 100 parts of polypropylene, 0.4-0.8 part of titanium dioxide, 0.1-1 part of polyethylene, 0.2-1 part of erucamide and 10 parts of ethylene-propylene copolymer.
2. The diaper according to claim 1, wherein the outer absorbent layer has three-dimensional embossings on its surface, and the outer absorbent layer has a plurality of through holes.
3. The paper diaper with high breathability according to claim 1, wherein a mosquito repellent substance is contained in the moisture absorption outer layer, and the mosquito repellent substance comprises evening primrose and lavender essence.
4. The diaper according to claim 1, further comprising a waterproof PE film disposed between the lattice-like composite core layer and the moisture-absorbing outer layer, wherein the waterproof PE film has a moisture permeability of at least 2500g/m2·24hr。
5. The diaper according to claim 1, wherein the breathable face layer contains a nourishing and moisturizing substance, and the nourishing and moisturizing substance comprises jasmine flower extract, citric acid and mint essence.
6. The diaper according to claim 1, wherein the gap between any adjacent two of the absorbent cores is 1 to 3 mm.
7. The diaper according to claim 1, wherein the method of manufacturing the rolled moisture-proof nonwoven fabric comprises:
the method comprises the following steps: respectively putting two polypropylene or polyethylene terephthalate with different shrinkage degrees into a screw extruder for melt extrusion;
step two: filtering impurities and unmelted particles of the two molten raw materials with different shrinkage degrees obtained in the step one through a melt filter respectively;
step three: pumping the two impurity-removed raw materials with different shrinkage degrees obtained in the step two into the same parallel type bi-component spinning component by a spinning pump respectively for spinning to obtain parallel type bi-component fibers;
step four: and drawing the side-by-side bicomponent fibers obtained in the step three to a mesh belt of a web former by a drawing device, and forming a curled moisture-proof non-woven fabric by hot blowing and hot rolling spun-bonding.
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| CN202110794546.9A CN113520726A (en) | 2019-06-21 | 2019-06-21 | Paper diaper with good moisture insulation effect and high air permeability |
| CN201910540398.0A CN110341243B (en) | 2019-06-21 | 2019-06-21 | Paper diaper with high air permeability |
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| CN115652536A (en) * | 2022-12-22 | 2023-01-31 | 苏州多瑈新材料科技有限公司 | High-strength water-punched composite material for colorful soft towel and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1736355A (en) * | 2004-08-20 | 2006-02-22 | 花王株式会社 | Absorbent article |
| CN108158728A (en) * | 2017-11-15 | 2018-06-15 | 中天（中国）工业有限公司 | A kind of absorptive core and its production equipment in more individual absorption areas |
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| JP2001340382A (en) * | 2000-05-31 | 2001-12-11 | Uni Charm Corp | Absorbable article |
| JP5123513B2 (en) * | 2006-06-23 | 2013-01-23 | ユニ・チャーム株式会社 | Absorber |
| US20100310810A1 (en) * | 2009-06-03 | 2010-12-09 | Eric Bryan Bond | Structured Fibrous Web |
| CN109793686A (en) * | 2019-03-25 | 2019-05-24 | 中山榄菊日化实业有限公司 | The preparation method and application of mosquito-eliminating wet tissue and its stoste |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1736355A (en) * | 2004-08-20 | 2006-02-22 | 花王株式会社 | Absorbent article |
| CN108158728A (en) * | 2017-11-15 | 2018-06-15 | 中天（中国）工业有限公司 | A kind of absorptive core and its production equipment in more individual absorption areas |
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| CN113520726A (en) | 2021-10-22 |
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