CN109009670B - Pearl powder-containing paper diaper and preparation method thereof - Google Patents
Pearl powder-containing paper diaper and preparation method thereof Download PDFInfo
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- CN109009670B CN109009670B CN201810721292.6A CN201810721292A CN109009670B CN 109009670 B CN109009670 B CN 109009670B CN 201810721292 A CN201810721292 A CN 201810721292A CN 109009670 B CN109009670 B CN 109009670B
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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
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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
- A61F13/15617—Making absorbent pads from fibres or pulverulent material with or without treatment of the fibres
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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
- A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
- A61F2013/15934—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for making non-woven
- A61F2013/15991—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for making non-woven in making composite multi-layered product
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Abstract
The invention discloses a paper diaper containing pearl powder and a preparation method thereof, wherein the paper diaper comprises a surface layer, a flow guide layer, an absorption core body and a leakage-proof bottom layer, wherein after the composite non-woven fabric in the absorption core body is processed, the antibacterial effect of the paper diaper is enhanced, the damage to the skin of a human body caused by directly spraying traditional Chinese medicine powder in the traditional process is avoided, the composite non-woven fabric is arranged in the paper diaper, the medicine effect can be continuously released by traditional Chinese medicine molecules, the antibacterial effect is better, meanwhile, the pearl powder is coated on the surface layer of the paper diaper, the step of treating by coating dry powder such as prickly heat powder and the like after an infant has developed a diaper rash is avoided, and the burden of a nurse can be relieved to the greatest extent; by the processing technology, materials of all layers of the paper diaper are compacted tightly, the phenomenon of lump formation of the paper diaper in the use process is prevented, and the paper diaper has good air permeability, water absorption performance and antibacterial performance.
Description
Technical Field
The invention belongs to the field of paper diapers, and particularly relates to a paper diaper containing pearl powder and a preparation method thereof.
Background
The paper diaper is an indispensable sanitary cleaning article for the infant in the present generation, and the quality of the paper diaper is directly related to the health of the infant, so the research and development of the paper diaper are gradually paid more attention by people.
The traditional paper diaper has poor air permeability and water absorption in the wearing process, urine is slowly absorbed, when the urine is slowly absorbed by the paper diaper, hot air and moisture are gathered in the paper diaper, muggy heat and bacteria breeding are easily caused, particularly, the skin of an infant is delicate and sensitive, the skin of the infant is easily red and swollen and inflamed after long-term use, even diaper rash is caused, and generally, after the diaper rash is caused, prickly heat powder and other dry powder are smeared on the skin of the infant to inhibit the aggravation of the diaper rash.
Meanwhile, when the existing paper diaper is manufactured, materials of each layer are bonded by a conventional method, and the existing paper diaper is not compacted tightly and has the phenomenon of lump; in the prior art, some diaper directly sprays the bacteriostatic agent on the non-woven fabric, but the spraying is uneven, the dosage is not easy to control, the bacteriostatic action cannot be achieved due to too small dosage, and the skin of a baby is extremely easily damaged due to too large dosage.
Therefore, the paper diaper provided by the invention has the advantages of good air permeability, bacteriostasis and water absorption performance, is not easy to lump, and does not harm the skin of a baby.
Disclosure of Invention
The invention provides a pearl powder-containing paper diaper and a preparation method thereof, aiming at improving the symptoms of red and swollen skin, inflammation and diaper rash caused by stuffy feeling and bacterial breeding after the traditional paper diaper absorbs water, and solving the problems of poor air permeability, poor water absorption effect, poor antibacterial effect, easy lumping, uneven medicine application and the like of the existing paper diaper in the background technology.
The technical scheme of the invention is as follows:
a paper diaper containing pearl powder comprises: the paper diaper body comprises a surface layer, pearl powder is coated on the surface layer, a flow guide layer is arranged below the surface layer, an absorption core body is arranged below the flow guide layer, and a leakage-proof bottom layer is arranged below the absorption core body; the absorption core body sequentially comprises composite non-woven fabric, dust-free paper, a first polymer layer, a bulky layer, a second polymer layer, a wood pulp layer and composite non-woven fabric from top to bottom; the leak protection bottom includes ventilated membrane 0 and non-woven fabrics body 0, ventilated membrane 0 lower surface with non-woven fabrics body 0 upper surface bonds mutually.
A method for manufacturing a paper diaper containing pearl powder comprises the following steps:
manufacturing the absorption core body: conveying wood pulp to a pulverizer system for pulverizing, coating a layer of composite non-woven fabric on the bottom layer of the pulverized wood pulp, conveying the wood pulp to a first macromolecule applying system, applying macromolecules with the application amount of 2 g/square meter, sticking a bulky layer above the macromolecule layer by using hot melt adhesive, conveying to a second macromolecule applying system, applying macromolecules with the application amount of 2 g/square meter, bonding the dust-free paper with a second macromolecule layer by using the hot melt adhesive after application is finished, coating a layer of composite non-woven fabric on the second macromolecule layer, and coating the absorption core; performing light pressing and compaction on the coated core body, performing two needling compaction on the core body through an air-permeable needle pressing roller, pressurizing the core body through an air cylinder, and manually correcting the deviation after needling compaction;
respectively bonding the absorption core body prepared after deviation rectification with the leakage-proof bottom layer and the diversion layer through hot melt adhesive, and bonding the upper part of the diversion layer with the surface layer through hot melt adhesive to obtain a primary diaper material roll; performing deviation rectification and compounding on the primary paper diaper material roll and then compacting; and then coating pearl powder on the compacted primary paper diaper coil by a transfer powder rolling machine.
Preferably, the distance between two needle bodies of the breathable needle pressing roller adopted in the needle punching pressing process is 6mm, and the diameter of each needle body is 1 mm.
Preferably, the composite non-woven fabric adopted in the manufacturing process of the absorption core body is manufactured by the following process:
a: opening, loosening, processing, carding and cross lapping are carried out on rabbit hair fibers and natural hemp fibers, and then the rabbit hair and hemp composite non-woven fabric is formed by needle punching and reinforcement;
b: opening, loosening, processing, carding and cross lapping the chitin fibers and the milk protein fibers, and reinforcing the chitin fibers and the milk protein fibers into chitin-milk protein composite non-woven fabric through needling;
c: then, laminating and compacting the rabbit hair and hemp composite non-woven fabric, the chitin and milk protein composite non-woven fabric and the non-woven fabric body to obtain a primary composite non-woven fabric;
d: taking a proper amount of the herba menthae, the folium artemisiae argyi, the chrysanthemum and the aloe, crushing, adding double amount of ethanol, carrying out ultrasonic treatment for 20 minutes for the first time, standing for 20 minutes, and taking supernatant; adding ethanol, performing ultrasonic treatment for 30min, standing for 20 min, collecting supernatant, mixing the two supernatants to obtain extractive solution, and recovering ethanol to obtain Chinese medicinal extract;
e: and C, soaking the primary composite non-woven fabric obtained in the step C into the traditional Chinese medicine liquid, treating by adopting a soaking method, wherein the dosage of the soaking liquid is 28g/L, the mangle rolling rate is 30%, treating at the temperature of 25 ℃ for 30min, and then drying and shaping at the temperature of 110 ℃ to obtain the composite non-woven fabric.
Preferably, in the composite non-woven fabric, the non-woven fabric body accounts for 50% to 5% of the composite non-woven fabric by mass, the rabbit hair and hemp composite non-woven fabric accounts for 15% to 3% of the composite non-woven fabric by mass, and the chitin and milk protein composite non-woven fabric accounts for 18% to 3% of the composite non-woven fabric by mass.
Preferably, the pearl powder applied to the paper diaper has the crushing fine mesh of 800 meshes and the application amount of 10g and 0g per square meter.
A powder rolling machine for coating pearl powder on the surface of a paper diaper comprises: the improved paper diaper feeding device comprises a hopper, a feed inlet is formed in the lower surface of the hopper, a rotating shaft is installed below the feed inlet, a feeding roller is fixed on the rotating shaft and is a cylinder, a transmission chain is installed at one end of the rotating shaft, a motor is connected to the other end of the transmission chain, a plurality of holes are uniformly distributed in the surface of the feeding roller, a conveying mechanism is installed below the feeding roller, and the distance between the quadrant point at the lowest part of the feeding roller and the upper surface of the conveying mechanism is the same as the thickness of a paper diaper.
A method for coating pearl powder on the surface of a paper diaper by using the powder rolling machine as claimed in claim 7, which comprises the following steps:
A. the pearl powder is placed in a hopper, falls to the position of a feeding port and is sprayed out from the feeding port;
B. the feeding roller is driven by a motor to rotate at a constant speed, and the pearl powder uniformly falls onto the feeding roller rotating at the constant speed and is accumulated in the feeding roller;
C. the pearl powder positioned above the feeding roller is conveyed to the lower part of the feeding roller under the action of the rotation of the feeding roller;
D. the paper diaper is transferred below the material roller through the transfer mechanism and continuously moves forwards, and the pearl powder is uniformly coated on the surface of the paper diaper by the material feeding roller through rolling contact with the surface of the paper diaper.
The invention has the following beneficial effects:
1. the pearl powder is coated on the surface layer of the paper diaper, so that the effect of preventing skin red swelling and diaper rash symptoms which are easy to occur when the paper diaper is used is achieved, the complexity of the treatment step of coating prickly heat powder and other dry powder after the infant generates the diaper rash is avoided, and the burden of a caregiver can be relieved to the greatest extent.
2. The absorption core body is wrapped by the composite non-woven fabric, and the composite non-woven fabric is made of the rabbit hair and hemp composite non-woven fabric and the chitin and milk protein composite non-woven fabric, so that the water absorption performance of the paper diaper is improved; meanwhile, the paper diaper is soaked in the traditional Chinese medicine liquid, the traditional Chinese medicines have synergistic effect, the antibacterial effect of the paper diaper is enhanced, the damage to the skin of a human body caused by the fact that traditional Chinese medicine powder is directly sprayed in the traditional process is avoided, the composite non-woven fabric is arranged inside the paper diaper, medicine molecules can continuously release medicine effect, and the antibacterial effect is better.
3. When the absorption core body is manufactured, the coated core body is subjected to light pressing compaction and then subjected to two needling compaction by the air-permeable needle pressing roller, the distance between two needle bodies of the adopted air-permeable needle pressing roller is 6mm, and the diameter of each needle body is 1mm, so that the compaction of each layer surface is tighter, and the phenomenon of lump formation caused by layer surface falling due to untight adhesion between the layer surfaces is avoided; after the paper diaper is compacted by needling, small holes are formed in the surface of the absorption core body, the whole air permeability of the paper diaper is improved, and the paper diaper is more favorable for urine absorption.
4. The transfer powder rolling machine is adopted, the pearl powder is sprayed on the feeding roller, and the pearl powder is coated on the surface of the paper diaper main body by utilizing the holes on the surface of the feeding roller and the rolling of the feeding roller.
5. The transfer powder rolling machine adopted by the invention can realize full-automatic coating of pearl powder on the paper diaper only by arranging the hopper, the feeding roller and the conveyor belt, so that the labor cost is saved, and the device has novel design and simple structure, and can reduce the cost.
Drawings
FIG. 1 is a front view of a transfer roller mill;
FIG. 2 is a left side view of the transfer roller mill;
FIG. 3 is a sectional view of the feeding roller and the hopper of the transfer powder rolling machine in the A-A direction;
FIG. 4 is a structure of a material layer of the diaper;
the reference numerals have the meanings: 1-paper diaper, 2-feeding rod, 3-hopper, 4-conveying mechanism, 5-hole, 6-charging opening, 7-surface layer, 8-flow guide layer, 9-absorption core body, 10-leakproof bottom layer, 11-fixing frame, 12-transmission chain, 13-motor, 14-rotating shaft, 91-composite non-woven fabric, 92-dust-free paper, 93-first macromolecule layer, 94-bulking layer, 95-second macromolecule layer, 96-wood pulp layer, 97-composite non-woven fabric, 101-breathable film and 102-non-woven fabric body.
Detailed Description
The technical scheme of the invention is described in detail in the following with reference to the accompanying drawings and embodiments:
a paper diaper containing pearl powder comprises a paper diaper body, wherein the paper diaper body comprises a surface layer 7, the pearl powder is coated on the surface layer 7, the effect of preventing symptoms of skin redness and swelling and diaper rash which are easy to occur when the paper diaper is used is achieved, the complexity of the step of treating by coating dry powder such as prickly heat powder after the infant has the diaper rash is avoided, the surface layer 7 and a flow guide layer 8 are tightly bonded through hot melt adhesive, an absorption core body 9 is tightly bonded below the flow guide layer 8 through the hot melt adhesive, and a leakage-proof bottom layer 10 is tightly bonded below the absorption core body 9 through the hot melt adhesive; the absorption core body 9 is composed of a composite non-woven fabric 91, dust-free paper 92, a first polymer layer 93, a bulky layer 94, a second polymer layer 95, a wood pulp layer 96 and a composite non-woven fabric 97 from top to bottom in sequence, and all the layers of the absorption core body are tightly bonded through hot melt adhesive; the leak-proof bottom layer 10 comprises a breathable film 101 and a non-woven fabric body 102, wherein the lower surface of the breathable film 101 is tightly bonded with the upper surface of the non-woven fabric body (102) through hot melt adhesive.
The invention also discloses a powder rolling machine for coating pearl powder on the surface of a paper diaper, which comprises a hopper 3, wherein the hopper 3 is fixed at the uppermost part of the powder rolling machine, the cross section of the hopper 3 is trapezoidal, the shorter bottom edge of the trapezoid is placed downwards, a cavity is formed inside the hopper 3 and is used for placing the pearl powder, and an opening is formed in the upper surface of the hopper 3. Feed inlet 6 has been seted up to the lower surface of hopper 3, feed inlet 6 is thin strip shape, the pearl powder can be followed and dropped in the feed inlet 6. A fixed frame 11 is fixed on the hopper 3, a rotating shaft 14 is installed below the fixed frame 11, and the rotating shaft 14 is connected with the fixed frame 11 through a bearing. The feeding roller 2 is fixed on the rotating shaft 14, the feeding roller 2 is a cylinder, the central shaft of the feeding roller 2 is horizontally arranged along the direction perpendicular to the trapezoidal cross section of the hopper 3, and the feeding roller 2 can rotate along the central shaft. A plurality of holes 5 are uniformly distributed on the outer circumferential surface of the feeding roller 2, the holes 5 are blind holes with the diameter of 1mm and the depth of 1mm, pearl powder falls into the holes 5 from the feeding port 6, and the holes 5 transfer the pearl powder to the lower part of the feeding roller 2 from the upper part of the feeding roller 2 under the rotation of the feeding roller 2. One end of the rotating shaft 14 is fixed with a transmission chain 12, the other end of the transmission chain 12 is connected with a motor 13, and the transmission chain 12 comprises a chain wheel and a chain. The feeding device is characterized in that a conveying mechanism 4 is installed below the feeding roller 2, the conveying mechanism 4 is used for conveying the paper diapers 1, the conveying mechanism 4 can be a conveying device consisting of a driving wheel, a driven wheel and a flat belt, and the widths of the feeding opening 6, the feeding roller 2 and the conveying mechanism 4 are not smaller than the width of the paper diapers 1. The distance between the quadrant point at the lowest part of the feeding roller 2 and the upper surface of the conveying mechanism 4 is the same as the thickness of the paper diaper 1, so that when the paper diaper is conveyed below the feeding roller 2, the feeding roller 2 can be in contact with the surface of the paper diaper 1, and therefore pearl powder is smeared on the surface of the paper diaper 1.
When pearl powder is smeared on the surface layer of the paper diaper by using a powder rolling machine, the pearl powder is placed in a hopper 3 and is sprayed out from a feed inlet 6; the feeding roller 2 rotates at a constant speed under the action of the motor 13 and the transmission chain 12, and the pearl powder uniformly falls onto the feeding roller 2 rotating at the constant speed and is accumulated in the hole 5; with the rotation of the feeding roller 2, the pearl powder above the feeding roller 2 is conveyed below the feeding roller 2; meanwhile, the paper diaper 1 is transferred below the material roller 2 through the conveying mechanism 4 and continuously moves forwards, the material feeding roller 2 is in rolling contact with the surface of the paper diaper 1, pearl powder is uniformly coated on the surface of the paper diaper 1, and 10-20 g of pearl powder is sprayed per square meter.
Example 1:
the manufacturing method of the paper diaper containing the pearl powder in the embodiment comprises the following steps:
manufacturing the absorption core body: conveying wood pulp to a pulverizer system for pulverizing, coating a layer of composite non-woven fabric on the bottom layer of the pulverized wood pulp, conveying the wood pulp to a first macromolecule applying system, applying macromolecules with the application amount of 3g per square meter, sticking a bulky layer above the macromolecule layer by using hot melt adhesive, conveying the wood pulp to a second macromolecule applying system, applying macromolecules with the application amount of 5g per square meter, bonding the dust-free paper with a second macromolecule layer by using the hot melt adhesive after application is finished, coating a layer of composite non-woven fabric on the second macromolecule layer, and coating the absorption core; performing light pressing and compaction on the coated core body, performing two-pass needling and compaction through a breathable needle pressing roller, wherein the distance between two needle bodies of the breathable needle pressing roller is 6mm, the diameter of each needle body is 1mm, pressurizing by using an air cylinder, and manually correcting the deviation after needling and compaction; respectively bonding the absorption core body prepared after deviation rectification with the leakage-proof bottom layer and the diversion layer through hot melt adhesive, and bonding the upper part of the diversion layer with the surface layer through hot melt adhesive to obtain a primary diaper material roll; performing deviation rectification and compounding on the primary paper diaper material roll and then compacting; and then coating 80-mesh pearl powder on the compacted primary paper diaper coil by using a transfer powder rolling machine, wherein the coating amount is 20g per square meter.
The composite non-woven fabric adopted in the manufacturing process of the absorption core body is manufactured by the following process:
a: opening, loosening, processing, carding and cross lapping are carried out on rabbit hair fibers and natural hemp fibers, and then the rabbit hair and hemp composite non-woven fabric is formed by needle punching and reinforcement;
b: opening, loosening, processing, carding and cross lapping the chitin fibers and the milk protein fibers, and reinforcing the chitin fibers and the milk protein fibers into chitin-milk protein composite non-woven fabric through needling;
c: then, laminating and compacting the rabbit hair and hemp composite non-woven fabric, the chitin and milk protein composite non-woven fabric and the non-woven fabric body to obtain a primary composite non-woven fabric;
d: taking a proper amount of the herba menthae, the folium artemisiae argyi, the chrysanthemum and the aloe, crushing, adding 3 times of ethanol, carrying out ultrasonic treatment for 20 minutes for the first time, standing for 20 minutes, and taking a supernatant; adding 5 times of ethanol, performing ultrasonic treatment for 30 minutes, standing for 20 minutes, collecting supernatant, mixing the two supernatants to obtain extractive solution, and recovering ethanol to obtain Chinese medicinal extract;
e: and C, soaking the primary composite non-woven fabric obtained in the step C into the traditional Chinese medicine liquid, treating by adopting a soaking method, treating for 35min at the temperature of 25 ℃ and the mangle rolling rate of 25%, and drying and shaping at 110 ℃ to obtain the composite non-woven fabric.
In the composite non-woven fabric in the embodiment, the non-woven fabric body accounts for 55% by mass of the composite non-woven fabric, the rabbit hair and hemp composite non-woven fabric accounts for 15% by mass of the composite non-woven fabric, and the chitin milk protein composite non-woven fabric accounts for 30% by mass of the composite non-woven fabric.
Example 2:
the manufacturing method of the paper diaper containing the pearl powder in the embodiment comprises the following steps:
manufacturing the absorption core body: conveying wood pulp to a pulverizer system for pulverizing, coating a layer of composite non-woven fabric on the bottom layer of the pulverized wood pulp, conveying the wood pulp to a first macromolecule applying system, applying macromolecules with the application amount of 8 g/square meter, using hot melt adhesive to paste a bulky layer above the macromolecule layer, conveying the wood pulp to a second macromolecule applying system, applying macromolecules with the application amount of 9 g/square meter, bonding the dust-free paper with a second macromolecule layer by using the hot melt adhesive after application is finished, coating a layer of composite non-woven fabric on the second macromolecule layer, and coating the absorption core; performing light pressing and compaction on the coated core body, performing two-pass needling and compaction through a breathable needle pressing roller, wherein the distance between two needle bodies of the breathable needle pressing roller is 6mm, the diameter of each needle body is 1mm, pressurizing by using an air cylinder, and manually correcting the deviation after needling and compaction; respectively bonding the absorption core body prepared after deviation rectification with the leakage-proof bottom layer and the diversion layer through hot melt adhesive, and bonding the upper part of the diversion layer with the surface layer through hot melt adhesive to obtain a primary diaper material roll; performing deviation rectification and compounding on the primary paper diaper material roll and then compacting; and then coating 90-mesh pearl powder on the compacted primary paper diaper coil by using a transfer powder rolling machine, wherein the coating amount is 15 g/square meter.
The composite non-woven fabric adopted in the manufacturing process of the absorption core body is manufactured by the following process:
a: opening, loosening, processing, carding and cross lapping are carried out on rabbit hair fibers and natural hemp fibers, and then the rabbit hair and hemp composite non-woven fabric is formed by needle punching and reinforcement;
b: opening, loosening, processing, carding and cross lapping the chitin fibers and the milk protein fibers, and reinforcing the chitin fibers and the milk protein fibers into chitin-milk protein composite non-woven fabric through needling;
c: then, laminating and compacting the rabbit hair and hemp composite non-woven fabric, the chitin and milk protein composite non-woven fabric and the non-woven fabric body to obtain a primary composite non-woven fabric;
d: taking a proper amount of the herba menthae, the folium artemisiae argyi, the chrysanthemum and the aloe, crushing, adding 4 times of ethanol, carrying out ultrasonic treatment for 20 minutes for the first time, standing for 20 minutes, and taking a supernatant; adding 6 times of ethanol, performing ultrasonic treatment for 30 minutes, standing for 20 minutes, collecting supernatant, mixing the two supernatants to obtain extractive solution, and recovering ethanol to obtain Chinese medicinal extract;
e: and C, soaking the primary composite non-woven fabric obtained in the step C into the traditional Chinese medicine liquid, treating by adopting a soaking method, treating for 38min at the temperature of 30 ℃ and the squeezing rate of 26g/L, and drying and shaping at 110 ℃ to obtain the composite non-woven fabric.
In the composite non-woven fabric in the embodiment, the non-woven fabric body accounts for 58% by mass of the composite non-woven fabric, the rabbit hair and hemp composite non-woven fabric accounts for 20% by mass of the composite non-woven fabric, and the chitin milk protein composite non-woven fabric accounts for 22% by mass of the composite non-woven fabric.
Example 3:
the manufacturing method of the paper diaper containing the pearl powder in the embodiment comprises the following steps:
manufacturing the absorption core body: conveying wood pulp to a pulverizer system for pulverizing, coating a layer of composite non-woven fabric on the bottom layer of the pulverized wood pulp, conveying the wood pulp to a first macromolecule applying system, applying macromolecules with the application amount of 12 g/square meter, sticking a bulky layer above the macromolecule layer by using hot melt adhesive, conveying to a second macromolecule applying system, applying macromolecules with the application amount of 3 g/square meter, bonding the dust-free paper with a second macromolecule layer by using the hot melt adhesive after application is finished, coating a layer of composite non-woven fabric on the second macromolecule layer, and coating the absorption core; performing light pressing and compaction on the coated core body, performing two-pass needling and compaction through a breathable needle pressing roller, wherein the distance between two needle bodies of the breathable needle pressing roller is 6mm, the diameter of each needle body is 1mm, pressurizing by using an air cylinder, and manually correcting the deviation after needling and compaction; respectively bonding the absorption core body prepared after deviation rectification with the leakage-proof bottom layer and the diversion layer through hot melt adhesive, and bonding the upper part of the diversion layer with the surface layer through hot melt adhesive to obtain a primary diaper material roll; performing deviation rectification and compounding on the primary paper diaper material roll and then compacting; and then coating 90-mesh pearl powder on the compacted primary paper diaper coil by using a transfer powder rolling machine, wherein the coating amount is 17 g/square meter.
The composite non-woven fabric adopted in the manufacturing process of the absorption core body is manufactured by the following process:
a: opening, loosening, processing, carding and cross lapping are carried out on rabbit hair fibers and natural hemp fibers, and then the rabbit hair and hemp composite non-woven fabric is formed by needle punching and reinforcement;
b: opening, loosening, processing, carding and cross lapping the chitin fibers and the milk protein fibers, and reinforcing the chitin fibers and the milk protein fibers into chitin-milk protein composite non-woven fabric through needling;
c: then, laminating and compacting the rabbit hair and hemp composite non-woven fabric, the chitin and milk protein composite non-woven fabric and the non-woven fabric body to obtain a primary composite non-woven fabric;
d: taking a proper amount of the herba menthae, the folium artemisiae argyi, the chrysanthemum and the aloe, crushing, adding 5 times of ethanol, carrying out ultrasonic treatment for 20 minutes for the first time, standing for 20 minutes, and taking a supernatant; adding 7 times of ethanol, performing ultrasonic treatment for 30 minutes, standing for 20 minutes, collecting supernatant, mixing the two supernatants to obtain extractive solution, and recovering ethanol to obtain Chinese medicinal extract;
e: and C, soaking the primary composite non-woven fabric obtained in the step C into the traditional Chinese medicine liquid, treating by adopting a soaking method, treating for 40min at the temperature of 32 ℃ and the squeezing rate of 28g/L, and drying and shaping at 110 ℃ to obtain the composite non-woven fabric.
In the composite non-woven fabric in the embodiment, the non-woven fabric body accounts for 65% of the composite non-woven fabric by mass, the rabbit hair and hemp composite non-woven fabric accounts for 17% of the composite non-woven fabric by mass, and the chitin milk protein composite non-woven fabric accounts for 18% of the composite non-woven fabric by mass.
Example 4:
the manufacturing method of the paper diaper containing the pearl powder in the embodiment comprises the following steps:
(1) manufacturing the absorption core body: conveying wood pulp to a pulverizer system for pulverizing, coating a layer of composite non-woven fabric on the bottom layer of the pulverized wood pulp, conveying the wood pulp to a first macromolecule applying system, applying macromolecules with the application amount of 10 g/square meter, using hot melt adhesive to paste a bulky layer above the macromolecule layer, conveying the wood pulp to a second macromolecule applying system, applying macromolecules with the application amount of 12 g/square meter, bonding the dust-free paper with a second macromolecule layer by using the hot melt adhesive after application is finished, coating a layer of composite non-woven fabric on the second macromolecule layer, and coating the absorption core; performing light pressing and compaction on the coated core body, performing two-pass needling and compaction through a breathable needle pressing roller, wherein the distance between two needle bodies of the breathable needle pressing roller is 6mm, the diameter of each needle body is 1mm, pressurizing by using an air cylinder, and manually correcting the deviation after needling and compaction; respectively bonding the absorption core body prepared after deviation rectification with the leakage-proof bottom layer and the diversion layer through hot melt adhesive, and bonding the upper part of the diversion layer with the surface layer through hot melt adhesive to obtain a primary diaper material roll; performing deviation rectification and compounding on the primary paper diaper material roll and then compacting; and then coating 100-mesh pearl powder on the compacted primary paper diaper coil by a transfer powder rolling machine, wherein the coating amount is 10 g/square meter.
The composite non-woven fabric adopted in the manufacturing process of the absorption core body is manufactured by the following process:
a: opening, loosening, processing, carding and cross lapping are carried out on rabbit hair fibers and natural hemp fibers, and then the rabbit hair and hemp composite non-woven fabric is formed by needle punching and reinforcement;
b: opening, loosening, processing, carding and cross lapping the chitin fibers and the milk protein fibers, and reinforcing the chitin fibers and the milk protein fibers into chitin-milk protein composite non-woven fabric through needling;
c: then, laminating and compacting the rabbit hair and hemp composite non-woven fabric, the chitin and milk protein composite non-woven fabric and the non-woven fabric body to obtain a primary composite non-woven fabric;
d: taking a proper amount of the herba menthae, the folium artemisiae argyi, the chrysanthemum and the aloe, crushing, adding 6 times of ethanol, carrying out ultrasonic treatment for 20 minutes for the first time, standing for 20 minutes, and taking a supernatant; adding 8 times of ethanol, performing ultrasonic treatment for 30 minutes, standing for 20 minutes, collecting supernatant, mixing the two supernatants to obtain extractive solution, and recovering ethanol to obtain Chinese medicinal extract;
e: and C, soaking the primary composite non-woven fabric obtained in the step C into the traditional Chinese medicine liquid, treating by adopting a soaking method, treating for 37min at 35 ℃ at the soaking liquid dosage of 27g/L and the mangle rolling rate of 40%, and then drying and shaping at 110 ℃ to obtain the composite non-woven fabric.
In the composite non-woven fabric in the embodiment, the non-woven fabric body accounts for 50% by mass of the composite non-woven fabric, the rabbit hair and hemp composite non-woven fabric accounts for 22% by mass of the composite non-woven fabric, and the chitin milk protein composite non-woven fabric accounts for 28% by mass of the composite non-woven fabric.
Example 5:
the manufacturing method of the paper diaper containing the pearl powder in the embodiment comprises the following steps:
manufacturing the absorption core body: conveying wood pulp to a pulverizer system for pulverizing, coating a layer of composite non-woven fabric on the bottom layer of the pulverized wood pulp, conveying the wood pulp to a first macromolecule applying system, applying macromolecules with the application amount of 8 g/square meter, using hot melt adhesive to paste a bulky layer above the macromolecule layer, conveying the wood pulp to a second macromolecule applying system, applying macromolecules with the application amount of 10 g/square meter, bonding the dust-free paper with a second macromolecule layer by using the hot melt adhesive after application is finished, coating a layer of composite non-woven fabric on the second macromolecule layer, and coating the absorption core; performing light pressing and compaction on the coated core body, performing two-pass needling and compaction through a breathable needle pressing roller, wherein the distance between two needle bodies of the breathable needle pressing roller is 6mm, the diameter of each needle body is 1mm, pressurizing by using an air cylinder, and manually correcting the deviation after needling and compaction; respectively bonding the absorption core body prepared after deviation rectification with the leakage-proof bottom layer and the diversion layer through hot melt adhesive, and bonding the upper part of the diversion layer with the surface layer through hot melt adhesive to obtain a primary diaper material roll; performing deviation rectification and compounding on the primary paper diaper material roll and then compacting; and then coating 95-mesh pearl powder on the compacted primary paper diaper coil by using a transfer powder rolling machine, wherein the coating amount is 15 g/square meter.
The composite non-woven fabric adopted in the manufacturing process of the absorption core body is manufactured by the following process:
a: opening, loosening, processing, carding and cross lapping are carried out on rabbit hair fibers and natural hemp fibers, and then the rabbit hair and hemp composite non-woven fabric is formed by needle punching and reinforcement;
b: opening, loosening, processing, carding and cross lapping the chitin fibers and the milk protein fibers, and reinforcing the chitin fibers and the milk protein fibers into chitin-milk protein composite non-woven fabric through needling;
c: then, laminating and compacting the rabbit hair and hemp composite non-woven fabric, the chitin and milk protein composite non-woven fabric and the non-woven fabric body to obtain a primary composite non-woven fabric;
d: taking a proper amount of the herba menthae, the folium artemisiae argyi, the chrysanthemum and the aloe, crushing, adding 7 times of ethanol, carrying out ultrasonic treatment for 20 minutes for the first time, standing for 20 minutes, and taking a supernatant; adding 6 times of ethanol, performing ultrasonic treatment for 30 minutes, standing for 20 minutes, collecting supernatant, mixing the two supernatants to obtain extractive solution, and recovering ethanol to obtain Chinese medicinal extract;
e: and C, soaking the primary composite non-woven fabric obtained in the step C into the traditional Chinese medicine liquid, treating by adopting a soaking method, treating for 35min at 31 ℃ at the soaking liquid dosage of 25g/L and the mangle rolling rate of 37%, and drying and shaping at 110 ℃ to obtain the composite non-woven fabric.
In the composite non-woven fabric in the embodiment, the non-woven fabric body accounts for 52% by mass of the composite non-woven fabric, the rabbit hair and hemp composite non-woven fabric accounts for 21% by mass of the composite non-woven fabric, and the chitin milk protein composite non-woven fabric accounts for 27% by mass of the composite non-woven fabric.
Testing the water absorption performance:
the experimental group is made of paper diapers manufactured according to the methods of the embodiments 1-5, and the number is 1-5, and the comparison group is made of common paper diapers purchased from supermarkets and sold in different brands, and the number is A-E; measuring 80mL of physiological saline with blue pigment at the temperature of about 37 ℃ by using a beaker, pouring the blue solution onto the surface of the paper diaper at a constant speed through a liquid discharge funnel, recording the liquid absorption time after the blue solution is naturally absorbed, timing after the blue solution is completely absorbed, repeating the operation of pouring the solution after 3 minutes, and recording the second liquid absorption time. The above experimental procedure was repeated three times and the average was taken. The test results are shown in table 1:
table 1: water absorption Performance test results
As can be seen from the above table, the diapers manufactured by the present invention have good absorption performance compared with the commercially available diapers, the first water absorption time of the diapers of the experimental group is significantly shorter than that of the control group (i.e., the diapers of five commercially available brands), and the second water absorption time is increased compared with that of the first water absorption time, but the second water absorption time of the diapers manufactured by the present invention is significantly shorter than that of the control group (i.e., the diapers of five commercially available brands). Therefore, the paper diaper prepared by the invention has high liquid absorption speed, can effectively reduce the contact time with the skin and the time for soaking the skin by urine, and has good water absorption performance.
And (3) testing antibacterial performance:
the preparation method of the control group II diaper mentioned in the experiment is as follows:
the specific preparation method of the control group ii a-e is the same as that in examples 1-5, except that the composite non-woven fabric adopted in the manufacturing process of the absorption core body is subjected to covering and compaction by rabbit hair and hemp composite non-woven fabric, chitin and milk protein composite non-woven fabric and a non-woven fabric body to obtain a primary composite non-woven fabric, then the snow mint, the folium artemisiae argyi, the chrysanthemum and the aloe are directly dried and crushed into 100-mesh powder, the powder is sprayed on the primary non-woven fabric, the two sides of the powder are sprayed to obtain the composite non-woven fabric, and the other steps and the raw material consumption are the same as.
The experimental group is paper diapers prepared according to the methods of examples 1-5, and the numbers are 1-5; the contrast group I is common diaper purchased from supermarket with different brands and numbered A-E; the control group II is the paper diaper prepared according to the method, and is numbered a-e; pouring 80mL of physiological saline onto the paper diapers of an experimental group, a control group I and a control group II respectively, after the physiological saline is completely absorbed, placing the sanitary napkin product in a closed environment (37 ℃ and the relative humidity is 75%), placing an open culture of escherichia coli, candida albicans and streptococcus in the closed environment, respectively placing the sanitary napkin product in 0.5h, 2h, 5h and 7h, measuring the colony count (CFU/mL) on the paper diapers of the experimental group and the control group, specifically, shearing the paper diapers, dispersing the cut paper diapers in 100mL of deionized water, soaking for 3h, filtering, taking 1mL of a sample, culturing for 48h in a warm box (37 ℃), and measuring the total number of colonies. The test results are shown in table 2.
Table 2: results of the antibacterial property test
As can be seen from the above table, the paper diaper prepared by the invention has good antibacterial performance, the total number of bacterial colonies is obviously lower than that of a control group I (namely, the paper diapers of five brands sold in the market), the contact time of the common paper diaper and the skin of a baby is not more than 7 hours, the antibacterial performance is gradually enhanced along with the increase of the time, when the time is 5 hours, the bacterial colony number is reduced to be the lowest, and then along with the increase of the time, the reduction range of the bacterial colony number is also reduced or kept unchanged; the five commercially available paper diapers of different brands have poor antibacterial performance, the bacterial colony number is slowly reduced along with the increase of time, and the bacterial colony number begins to rise again after 5 hours, which shows that the paper diapers have good antibacterial performance during the contact time with a human body compared with the conventional paper diapers; comparing the data of the experimental group with the data of the control group II, wherein the total number of the bacterial colonies in the control group II is higher than that of the experimental group, and the bacterial decline degree is lower than that of the experimental group along with the increase of time, after 5h, the bacterial colonies in b-e show the rising trend except that the bacterial colonies in a are slightly declined, which shows that the medicinal materials are crushed, added with ethanol, subjected to ultrasonic treatment, and placed still to take the supernatant; adding ethanol, performing ultrasonic treatment, standing to obtain supernatant, combining the two supernatants to obtain an extracting solution to obtain a traditional Chinese medicine extract, and then treating the non-woven fabric by a dipping method to obtain the composite non-woven fabric, wherein the traditional Chinese medicines have synergistic effect and exert the drug effect to the maximum extent, so that the paper diaper prepared by the invention has good sterilizing and antibacterial properties.
And (3) testing air permeability:
the experimental group is made of paper diapers manufactured according to the methods of the embodiments 1-5, and the number is 1-5, and the comparison group is made of common paper diapers purchased from supermarkets and sold in different brands, and the number is A-E; in order to visually recognize the difference in air permeability between the diapers, the air permeability test was conducted in a quantitative manner as follows. The test method comprises the following steps: the method comprises the following steps of injecting 100ml of distilled water into a beaker, respectively wrapping paper diapers of an experimental group and a control group on the opening of the beaker, covering the core body of the paper diaper on the opening of the beaker, tightly binding the core body with a rubber band, heating the core body by using a microwave oven, calculating the weight difference before and after calculation, and showing the experimental result in a table 3:
table 3: air permeability test results
As is clear from the table, the decrease degree of the weight value of the beaker of the paper diaper prepared by the invention is obviously higher than that of the commercially available paper diaper under the heating condition, which shows that water vapor can be well evaporated through the paper diaper during heating, so that the paper diaper has good air permeability. However, since the microwave oven heats an unrealistic use environment, the body temperature and the urine temperature of the baby are far lower than the unrealistic use environment, and the feeling in actual use is not as great as the difference of experimental data, so that the applicant conducts an observation experiment aiming at the air permeability in order to verify the reliability of the experimental result.
The experimental method for observing the air permeability is as follows: the experimental group is paper diapers prepared according to the methods of examples 1-5, and the numbers are 1-5; the contrast group is common paper diapers purchased from supermarkets and sold in different brands, and the numbers are A-E; the test method comprises the following steps: injecting about 80ml of liquid at 70 ℃ into a beaker, respectively wrapping the paper diapers of the experimental group and the control group on the mouth of the beaker, covering the core body of the paper diaper on the mouth of the beaker, tightly binding the core body with a rubber band, standing for 3 minutes, observing the condition of water vapor inside the beaker, wherein the beakers of the examples 1 to 5 are all full of small water drops and are in a water drop shape along the wall of the beaker, and the paper diapers of the control group only contain fog-shaped steam.
The observation experiment verifies that the conclusion obtained by the quantitative experiment, the paper diaper prepared by the invention can exert good air permeability no matter at high temperature or normal human body fluid temperature, and the air permeability is superior to that of the paper diaper sold on the market, and is obviously improved.
The terms of orientation such as front, back, left, right, up and down are set to clearly indicate the requirement of the technical solution, and do not limit the scope of the invention.
The foregoing examples are merely illustrative and serve to explain some of the features of the method of the present invention. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the invention. Also, where numerical ranges are used in the claims, subranges therein are included, and variations in these ranges are also to be construed as possible being covered by the appended claims.
Claims (2)
1. A paper diaper containing pearl powder comprises a paper diaper body and is characterized in that the paper diaper body comprises a surface layer (7), pearl powder is coated on the surface layer (7), a flow guide layer (8) is arranged below the surface layer (7), an absorption core body (9) is arranged below the flow guide layer (8), and a leakage-proof bottom layer (10) is arranged below the absorption core body (9); the absorption core body (9) sequentially comprises a composite non-woven fabric (91), dust-free paper (92), a first polymer layer (93), a bulky layer (94), a second polymer layer (95), a wood pulp layer (96) and a composite non-woven fabric (97) from top to bottom; the anti-leakage bottom layer (10) comprises a breathable film (101) and a non-woven fabric body (102), wherein the lower surface of the breathable film (101) is bonded with the upper surface of the non-woven fabric body (102);
the manufacturing method of the paper diaper containing the pearl powder comprises the following steps:
manufacturing the absorption core body: conveying wood pulp to a pulverizer system for pulverizing, coating a layer of composite non-woven fabric on the bottom layer of the pulverized wood pulp, conveying the wood pulp to a first macromolecule applying system, applying macromolecules with the applying amount of 3-12 g/square meter, sticking a bulky layer above the macromolecule layer by using hot melt adhesive, conveying the wood pulp to a second macromolecule applying system, applying macromolecules with the applying amount of 3-12 g/square meter, bonding the dust-free paper with a second macromolecule layer by using the hot melt adhesive after application, coating a layer of composite non-woven fabric above the second macromolecule layer, and coating the absorbent core; performing light pressing and compaction on the coated core body, performing two needling compaction on the core body through an air-permeable needle pressing roller, pressurizing the core body through an air cylinder, and manually correcting the deviation after needling compaction;
respectively bonding the absorption core body prepared after deviation rectification with the leakage-proof bottom layer and the diversion layer through hot melt adhesive, and bonding the upper part of the diversion layer with the surface layer through hot melt adhesive to obtain a primary diaper material roll; performing deviation rectification and compounding on the primary paper diaper material roll and then compacting; then coating pearl powder on the compacted primary paper diaper material roll through a transfer powder rolling machine;
the distance between two needle bodies of the breathable needle pressing roller adopted in the needling pressing real-time is 6mm, and the diameter of each needle body is 1 mm;
the composite non-woven fabric adopted in the manufacturing process of the absorption core body is manufactured by the following process:
a: opening, loosening, processing, carding and cross lapping are carried out on rabbit hair fibers and natural hemp fibers, and then the rabbit hair and hemp composite non-woven fabric is formed by needle punching and reinforcement;
b: opening, loosening, processing, carding and cross lapping the chitin fibers and the milk protein fibers, and reinforcing the chitin fibers and the milk protein fibers into chitin-milk protein composite non-woven fabric through needling;
c: then, laminating and compacting the rabbit hair and hemp composite non-woven fabric, the chitin and milk protein composite non-woven fabric and the non-woven fabric body to obtain a primary composite non-woven fabric;
d: taking a proper amount of the herba menthae, the folium artemisiae argyi, the chrysanthemum and the aloe, crushing, adding 3-7 times of ethanol, carrying out ultrasonic treatment for 20 minutes for the first time, standing for 20 minutes, and taking a supernatant; adding 5-8 times of ethanol, performing ultrasonic treatment for 30min, standing for 20 min, collecting supernatant, mixing the two supernatants to obtain extractive solution, and recovering ethanol to obtain Chinese medicinal extract;
e: c, soaking the primary composite non-woven fabric obtained in the step C into a traditional Chinese medicine liquid, treating the primary composite non-woven fabric by adopting a soaking method, wherein the using amount of the soaking liquid is 25-28g/L, the mangle rolling rate is 30-40%, the temperature is 25-35 ℃, treating the primary composite non-woven fabric for 35-40min, and then drying and shaping the primary composite non-woven fabric at 110 ℃ to obtain the composite non-woven fabric;
in the composite non-woven fabric, the non-woven fabric body accounts for 50-65% of the composite non-woven fabric by mass, the rabbit hair and hemp composite non-woven fabric accounts for 15-23% of the composite non-woven fabric by mass, and the chitin milk protein composite non-woven fabric accounts for 18-33% of the composite non-woven fabric by mass.
2. The pearl powder-containing paper diaper as claimed in claim 1, wherein when the pearl powder is coated on the compacted primary paper diaper roll by a transfer roller machine, the crushed fine meshes of the pearl powder are 80-100 meshes, and the coating amount is 10-20 g/square meter.
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| CN110731863A (en) * | 2019-11-15 | 2020-01-31 | 深圳市棉芯科技有限公司 | glue-free needle-punched absorption core and sanitary product containing the same |
| CN112494216A (en) * | 2020-12-11 | 2021-03-16 | 露乐新材料科技(广州)有限公司 | Composite absorption core and preparation method and application thereof |
| CN112716696A (en) * | 2021-02-21 | 2021-04-30 | 江西艾叶草药业有限责任公司 | Adult diaper and manufacturing process thereof |
| CN113070177A (en) * | 2021-03-30 | 2021-07-06 | 浙江宁合生物科技有限公司 | Pearl powder cotton soft towel and production device and method thereof |
| CN115054440B (en) * | 2022-06-10 | 2023-08-25 | 李璐阳 | Paper diaper and processing method thereof |
| CN115504030B (en) * | 2022-10-12 | 2023-09-29 | 湖南贝恩叮当猫婴童用品有限公司 | Sterilizing device for paper diaper production and processing |
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