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92 results about "Sanitary pads" patented technology
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Absorbent article having a multilayer blended core and a method of forming
InactiveUS7090667B2Provide protectionEasy to manufactureBaby linensNon-woven fabricsBiomedical engineeringMaterials science
An absorbent article, such as a thin incontinence pad or pantyliner, is disclosed which has an absorbent core formed from multiple layers of blended material for providing protection against involuntary urine loss. A method of forming the absorbent article is also disclosed. The absorbent article includes a liquid permeable bodyside liner, a liquid-impermeable baffle, and first and second absorbents positioned between the liner and the baffle. The first absorbent is a stabilized material containing a superabsorbent and has a predetermined basis weight. The second absorbent is also a stabilized material containing a superabsorbent. The second absorbent is positioned below the first absorbent and has a basis weight that is at least equal to the basis weight of the first absorbent.
Owner:KIMBERLY-CLARK WORLDWIDE INC
Microcapsule sustained release agent and preparation method and application thereof
InactiveCN102373110ASimple process routeMild conditionsEssential-oils/perfumesAnimal housingDispersityFirming agent
The invention provides a microcapsule sustained release agent and a preparation method and application thereof. The microcapsule sustained release agent is prepared by embedding essence with gelatin and Arabic gum, and is applied to sanitary towels or sanitary cushions or panty-shape diapers or pet cushions. The microcapsule sustained release agent consists of a core material and a wall material, wherein the wall material consists of natural high molecular gelatin, Arabic gum and a curing agent; the core material consists of essence and essential oil; the curing agent consists of tannic acid and glutaraldehyde; and microencapsulation is performed on the core material and the wall material in the ratio 1:2. The invention further provides a preparation method of the microcapsule sustained release agent. The preparation method comprises the following steps of: adding an emulsifier into Arabic gum for mixing; adding essence or essential oil into an emulsion for homogenizing and emulsifying; adding a gelatin solution into the emulsified emulsion; agglomerating into a capsule; curing with a curing agent; and drying to obtain a high-dispersity microcapsule sustained release agent. By adding the microcapsule sustained release agent into the space between a skin contact layer and a water-absorbing layer of a sanitary towel or sanitary cushion or panty-shape diaper or pet cushion, the effect of keeping fragrance for a long time can be achieved.
Owner:TIANJIN SINOSH NEW MATERIAL TECH
Unit load for the transport of absorbent hygiene articles
Unit load for transporting absorbent hygienic articles such as sanitary pads. The unit load includes a pallet, a bottom tray with one or more side flaps folded upwardly, a plurality of secondary packages loaded on the pallet and forming a stack, a top cap on top of the stack with one or more side flaps folded downwardly, and a plurality of corner posts each placed against a different vertical corner of the stack of secondary packages. A secondary package for transporting feminine hygiene articles, in particular sanitary pads, made of a flexible material is provided.
Owner:THE PROCTER & GAMBLE COMPANY
Panties with storage covers
The present invention features a panties system with built-in storage covers for sanitary pad. The panties include an elastic waistband, a front panel and a back panel, a crotch panel to cover the genital area, a pair of leg openings. The crotch panel has a first crotch cover and a second crotch cover. The covers are adjacent to each other and sewed to the leg openings. The covers have optional elastic edges to hold sanitary pads on position securely between the crotch panel and crotch covers.
Owner:LEWIS WILLIAMS SONYA D
Lignin-containing coating composition and ultrafine fibers including the same
ActiveUS20170121559A1Improve conductivityImprove biodegradabilityLignin material coatingsWound healingFiber
Disclosed is an ultrafine fiber including lignin, a carrier polymer and a carbon material. The ultrafine fiber, which includes lignin, can exhibit the properties of lignin such as antibacterial property, biodegradability, etc. Accordingly, it can be used widely in medical materials such as nanofiber, nanofiber web, nanofiber sheet, etc. for wound healing of the skin's dermal layer. Also, the ultrafine fiber can be used in sheath of electric cables because it contains a carbon material and has superior conductivity. In addition, because the ultrafine fiber can hold a large quantity of water, it can be used in various fields including sanitary pads for women, diapers for babies and adults, etc.
Owner:KOREA INST OF SCI & TECH
Scent correcting, removing sanitary towel, preparing method and scent correcting, removing preparation thereby
InactiveCN101229390ACounteracts period odorRestore self-confidenceSanitary towelsBaby linensProduction lineActivated carbon
The invention relates to an odor-masking and odor-removed sanitary pad and a production method thereof. The pad is layered structure and comprises a surface layer, an absorption layer and a bottom layer, wherein, a medicinal powder active carbon composite layer is added between the surface layer and the absorption layer; the production method is that the surface layer, the active carbon composite layer are led in an automatic production line of the sanitary pad in sequence and the two layers are heated for heat sealing, and then the heat sealed layer together with the absorption layer and the bottom layer are molded through a molding knife. Whole composite molded materials on the automatic production line firstly lead in toilet paper; at the same time, wood pulp is shattered through a disintegrator and then structural glue powder is added for molding; the mixed active carbon and natural medical plant powder are intensively or dispersedly added on the molded materials through a sanitary towel dosing machine, then the toilet paper is led in to form a toilet paper interlayer which is heated and pressed fit, and finally is cut and molded. An odor-masking agent and an odor-removing agent are active carbon composite materials, active carbon addition of which is 1 / (10-20) of the weight of Chinese herbal powder. The sanitary pad of the invention can be used for preventing and treating leucorrhea caused by bacterial or viral infection and eliminating peculiar smell caused by female leucorrhea and unpleasant mood involved.
Owner:SHANDONG YIMU WOMENS ARTICLES
Disposable diapers and sanitary napkin liners with improved skin affinity
InactiveCN102271642APromote absorptionImprove buffering effectAbsorbent padsThin material handlingActive agentAbsorbent material
Owner:クムカンポルドカンパニーリミテッド +1
Odor-mitigating compositions
InactiveUS20050008608A1Reduce presenceGas treatmentDispersed particle separationWound dressingMedicine
The invention includes compositions, devices, systems and methods for mitigating odors, pollutants and toxins from a gaseous or liquid environment. The present invention relates to devices that contain a formulation for removing foul odors from the air. In certain embodiments the present invention provides odor-mitigating reagents that are substantially incapable of leaching from the device during ordinary use. The present invention also contemplates applications where the invention can be safely worn in contact with the user's skin or hair. Certain embodiments of the invention therefore particularly relate to devices such as diapers, shoe liners, sanitary pads, wound dressings, face masks and the like. Another aspect of the invention contemplates applications wherein the device can be used in indoor and outdoor settings where it is desirable that the odor-controlling reagents not leach out of the device as a result of contact with liquids. Related embodiments of the invention include landfill odor abatement covers and various interior and industrial air fresheners.
Owner:S L PARKHURST
Unit load for the transport of absorbent hygiene articles
Unit load for transporting absorbent hygienic articles such as sanitary pads. The unit load includes a pallet, a bottom tray with one or more side flaps folded upwardly, a plurality of secondary packages loaded on the pallet and forming a stack, a top cap on top of the stack with one or more side flaps folded downwardly, and a plurality of corner posts each placed against a different vertical corner of the stack of secondary packages. A secondary package for transporting feminine hygiene articles, in particular sanitary pads, made of a flexible material is provided.
Owner:THE PROCTER & GAMBLE COMPANY
Blended non-woven fabric and preparation technology thereof
InactiveCN105908371ABeneficial elasticityBeneficial water absorptionSolvent-treatmentSucessive textile treatmentsRespiratorVegetable fibers
The invention discloses blended non-woven fabric and a preparation technology thereof. The blended non-woven fabric comprises the preparation raw materials of degummed silk protein fiber and degummed natural vegetable fiber, wherein the mass ratio of the degummed silk protein fiber to the degummed natural vegetable fiber is (20:80) to (80:20). The blended non-woven fabric not only has the advantages of softness, skin protection and skin favorableness of silk, but also has the elasticity and water absorption of fiber. The blended non-woven fabric is simple in preparation technology, and can be widely applied to industrials of facial masks, sanitary towels, sanitary pads, paper diapers, cosmetics, respirators, hygienic products and medical supplies.
Owner:SUZHOU YAZHOU COMMODITY TECH CO LTD
Stackable sanitary pads
ActiveUS20120310202A1Prevent separation of significant portionReduce usageSanitary towelsBaby linensAdhesiveAbsorbent Pads
An absorbent multi-layer hygiene product comprising a plurality of stacked absorbent pads that are releasably attached to each other. Each absorbent pad includes a liquid-pervious topsheet, a liquid-impervious backsheet, and an absorbent core positioned between the topsheet and the backsheet. Each topsheet and backsheet extends beyond the absorbent core and forms an outer peripheral edge to sandwich the absorbent core. Each peripheral edge includes a pair of opposed longitudinal edges and a pair of opposed end edges. Each backsheet has a garment-facing surface and an adhesive disposed on the peripheral edge of the garment-facing surface to releasably secure the adjacent layers to each other.
Owner:WILSON BRENDA J
Production process of silk fiber spunlace non-woven fabrics
ActiveCN102560893ASoft touchFeel comfortableNon-woven fabricsTextile treatment by spraying/projectingEngineeringNonwoven fabric
The invention relates to a production process of silk fiber spunlace non-woven fabrics and belongs to the technical field of textile materials. Raw materials insisting of 50 wt. % of silk fibers and 50 wt. % of Tencel fibers are sequentially subjected to an opening procedure, a carding procedure, a spunlace procedure, a hydrophilic treatment procedure, a drying procedure, an on-line detecting procedure, a take-up procedure and a slitting procedure. The silk fiber spunlace non-woven fabrics are made of silk fibers and Tencel fibers, the spunlace technology is adopted, and the silk fiber spunlace non-woven fabrics can replace traditional hot air fabrics. The surface of the product is smooth, soft, comfortable and non-toxic, and the silk fiber spunlace non-woven fabrics are suitable for being applied to sanitary pads.
Owner:ZHEJIANG BAOREN NONWOVEN CO LTD
Stackable sanitary pads
ActiveUS9980856B2Prevent separation of significant portionReduce usageSanitary towelsBaby linensAdhesiveEngineering
Owner:WILSON BRENDA J
Amniotic fluid detection indicator composition, preparation thereof and corresponding amniotic fluid detection pad
InactiveCN105699370AEasy to useNot easy to decolorizeMaterial analysis by observing effect on chemical indicatorAlizarine sulfonateN dimethylformamide
The invention discloses an amniotic fluid detection indicator composition, preparation thereof and a corresponding amniotic fluid detection pad. The amniotic fluid detection indicator composition is used by taking one or two of water, ethyl alcohol, acetone and N,N-dimethylformamide as a solvent or solvents, taking one or more than one of pulullan, sodium alginate, ethyl cellulose and sodium carboxymethylcellulose as a film-forming agent or film-forming agents, taking dioctyl phthalate as a plasticizer, taking ethylene glycol, glycerol and glycol ethylene ether as wetting agents, taking bromothymol blue sodium salt, bromoxylenol blue, sodium alizarine sulfonate and bromcresol purple as indicators, preparing an amniotic fluid detection indicator at the normal temperature, then coating a medical sanitary pad with the amniotic fluid detection indicator, and drying the medical sanitary pad to prepare an amniotic fluid detection pad. The amniotic fluid detection indicator composition is convenient to use, not easy to decolor and more easily acceptable to patients, and is capable of distinguishing amniotic fluid and urine; the whole process is simple to operate; the large-scale production is easy to implement.
Owner:JIANGXI HUAQINGBOEN BIOTECH CO LTD
Rubbish disposer for home kitchen and bathroom
ActiveCN105312130AImprove crushing abilityIncrease crushing powerGrain treatmentsFiberHome environment
The invention discloses a rubbish disposer for a home kitchen and bathroom. The kitchen and bathroom rubbish disposer is composed of a convenient feeding mechanism, a cutter disk and inner ring smashing system and a water inlet-outlet system which is electrically controlled by a single chip microcomputer. After feeding, the whole process is completed automatically. After a foot plate is stepped on, a separation plate is pulled to be opened through a steel wire, and rubbish is put into a cavity of an upper box body from a feed inlet. The foot plate is loosened, and the separation plate is reset. The feed inlet is closed, and an electric control program is started. Flowing-in and flowing-out of water are controlled through electromagnetic valves. A cutter disk is driven through a motor to rotate while the water inlet electromagnetic valve is opened. The cutter disk is provided with 3-6 cutter blades through which the rubbish can be smashed. An inner ring is provided with a multi-hole cutting edge. Fibrous matter which is difficult to smash is shredded under the combined action of the multi-hole cutting edge and the cutter blades on the cutter disk. The lower end of the inner ring is provided with a groove, and an annular cavity is formed by the inner ring and the inner wall of a box body, so that up-down circulation of water flow is facilitated and the rubbish is smashed multiple times. After smashing, the water outlet electromagnetic valve is opened, and the rubbish is discharged from a water outlet. The rubbish disposer can be used for disposing kitchen waste vegetable leaves, plastic bags, baby diapers, sanitary pads and other rubbish containing fibers, and the problems that sewers of the kitchen, the bathroom and a toilet are blocked due to the rubbish are solved, so that the home environment is improved.
Owner:XIANGTAN UNIV
Absorbent product comprising a cationic modified starch
InactiveUS20090287176A1Improve abilitiesCosmetic preparationsImpression capsDegree of substitutionTampon
Absorbent products for feminine protection, for example sanitary pads, pantiliners or tampons, comprising a cationic modified starch. The starch is modified by a cationizing agent comprising an ammonium group, wherein the degree of substitution of the cationizing agent is from about 0.070 to less than 0.50.
Owner:THE PROCTER & GAMBLE COMPANY
Skin-friendly soft nonwoven fabric for paper diapers, sanitary pads and urinal pads and manufacturing method of skin-friendly soft nonwoven fabric
The invention discloses a skin-friendly cotton soft nonwoven fabric used for diapers, protective pads, and urine pads and a manufacturing method thereof. It includes a matrix layer, the matrix layer has two upper and lower sides, a layer of obliquely crossed ultrafine fiber layers is respectively arranged on the upper and lower sides of the matrix layer, and a layer of obliquely intersected ultrafine fiber layers is respectively arranged between the obliquely intersected ultrafine fiber layers. Hydrophilic layer, the preparation of the skin-friendly cotton soft non-woven fabric used for diapers, panty liners, and urine pads includes polymer feeding, melt extrusion, filtration, metering, web forming, coiling, and post-processing. The invention optimizes the existing melt-blown non-woven fabric process, introduces polyester staple fibers, improves the defects of poor hydrophilicity, tight structure, high water absorption resistance, low bulkiness, and poor hand feeling, and improves the bulkiness of non-woven fabrics Compared with the existing non-woven fabrics, the non-woven fabrics have significantly improved water absorption and wicking performance.
Owner:浙江华晨非织造布有限公司
Process for producing pearl fiber spun-laced nonwoven fabric
ActiveCN102535006ASuitable for useThe surface of the product is smoothNon-woven fabricsTextile treatment by spraying/projectingNonwoven fabricMaterials science
The invention relates to a process for producing pearl fiber spun-laced nonwoven fabric, belonging to the technical field of textile materials. The pearl fiber spun-laced nonwoven fabric is produced from the pearl fiber used as a raw material through the steps of opening, carding, spinning-lacing, carrying out hydrophilic treatment, drying, detecting on line, taking up and slitting in sequence. Produced from the pearl fiber used as the raw material by adopting the spinning-lacing process, the pearl fiber spun-laced nonwoven fabric replaces the traditional hot-air nonwoven fabric, has a smooth surface, is soft, comfortable and non-toxic and is suitable for producing the sanitary pads of women.
Owner:ZHEJIANG BAOREN NONWOVEN CO LTD
Combined disposable panty and sanitary pad undergarment
A combined disposable panty and sanitary pad undergarment includes a panty body having a front part, a rear part forming in combination with the front part a top edge of the panty body, and a crotch part joining the rear and front part and forming a pair of leg openings. An absorption pad is overlaid over and secured to the crotch part and a lower portion of each front and rear part. The absorption pad has a fluid-permeable human body facing layer, a fluid-impermeable panty body engaging layer and an absorbent layer disposed intermediate the fluid-permeable and the fluid-impermeable layers. A front end of the absorption pad is positioned above external genital organs of a wearer and a rear end thereof is positioned in close proximity to an anus. The side edges of the absorption pad are tapered to follow contour and style of the panty body.
Owner:NELSON EDITH
High water absorbent wet-strength paper and application thereof
InactiveCN102304869AHas wet strength propertiesImprove wet strengthWashing/displacing pulp-treating liquorsPulp beating methodsAdhesiveAbsorbent material
The invention relates to the field of paper making, and discloses high water absorbent wet-strength paper. The high water absorbent wet-strength paper is prepared through the following steps: repulping bleaching chemical pulp to obtain a component A; repulping bleaching chemical pulp, then processing the bleaching chemical pulp through NaOH, washing the processed pulp until a pH value of the processed pulp is 7.0-7.5 to obtain a component B; mixing the component A and the component B, adding a water absorbent assistant agent to carry out beating until the degree of beating is 28-35 DEG SR andthe fiber length is 2-2.5mm; adding a wet strength agent and a retention aid to the beaten pulp, then conveying the resulting mixture to a paper machine to obtain the high water absorbent wet-strength paper. The high water absorbent wet-strength paper is applicable for coating materials of sanitary towels and sanitary protecting pad water absorbent material. According to the present invention, the process of the method is simple; the strength of the paper is mainly achieved through hydrogen bonding between the fibers, the wet strength agent is added to enable the paper to have the wet strength property, the special adhesive is not required, such that the paper has good softness, good wet strength property, good water absorption and good water permeability property, the properties of the paper can compare with the properties of the non-woven fabrics and the dry-method paper, but the production cost is lower than the production costs of the non-woven fabrics and the dry-method paper, and the high water absorbent wet-strength paper is more environmentally-friendly than the non-woven fabrics and the dry-method paper.
Owner:QILU UNIV OF TECH
Absorbent product comprising a cationic modified guar gum
InactiveCN102112090AUnique combination of propertiesEasy to fixSanitary towelsBaby linensWater solubleDegree of substitution
The invention discloses absorbent products for feminine protection, for example sanitary pads, pantiliners or tampons, comprising a cationic modified guar gum. The guar gum is modified by a cationizing agent comprising an ammonium group, wherein the degree of substitution of the cationizing agent is from about 0.070 to less than 0.30. In one aspect of the invention, the cationic modified guar gum is substantially water soluble.
Owner:THE PROCTER & GAMBLE COMPANY
Absorbent product comprising a cationic modified guar gum
InactiveUS20100036341A1High viscosityPretreated surfacesAdhesive dressingsWater solubleDegree of substitution
Absorbent products for feminine protection, for example sanitary pads, pantiliners or tampons, comprising a cationic modified guar gum. The guar gum is modified by a cationizing agent comprising an ammonium group, wherein the degree of substitution of the cationizing agent is from about 0.070 to less than 0.30. In one aspect of the invention, the cationic modified guar gum is substantially water soluble.
Owner:THE PROCTER & GAMBLE COMPANY
Composite nno-woven cloth and composite non-woven cloth product
InactiveCN1757808AHigh peel strengthHigh mechanical strengthLayered productsAbsorbent padsFiberPolymer science
A non-woven composite fabric is composed of at least two of carded mesh layer, spunbonded mesh layer, melt-blown mesh layer and air-laid mesh layer. At least one of said mesh layers has the bonded fiber which contains maleic acid or maleic anhydride grafted polyolefin. It can be used to prepare diaper and sanitary napkin, which has high stripping strength, mechanical strength and transverse strength.
Owner:KANG & HSIUNG ENTERPRISE
Apparatus for making a fibrous article having a three dimensional profile
Owner:JOHNSON & JOHNSON IND & COMMERCIAL LTDA
Daily health-care product and manufacturing method thereof
InactiveCN103157128APrevention of Gynecological DiseasesInhibit hyperplasiaBrassieresAbsorbent padsCurative effectPulp and paper industry
The invention discloses a daily health-care product and a manufacturing method thereof. The product has a component of moxa. A manufacturing method of the moxa comprises the steps of drying, grinding, and screening. In the drying step, picked argy wormwood leaf is subjected to a drying treatment. In the grinding step, the dried argy wormwood leaf is sufficiently grinded into powder. In the screening step, moxa is obtained by screening by using a sieve mesh. The treated moxa is wrapped by using non-woven fabrics with a specification of 10-100g / bag. The moxa bags are used on a carrier. The product is suitable for external use, and has good medical treatment effect. The product is safe and non-toxic. The product can be used on sanitary pads and women's underclothes such as underwear. When the product is used on sanitary pads, functions such as sterilization, itching relieving, and dampness eliminating are provided. When the product is used on underpants, gynecological diseases can be prevented. When the product is used on brassiere, breast hyperplasia and breast cancer can be prevented. Before use, the product is better to be warmed by using a warm fire, such that a better effect can be provided.
Owner:陈丽华
Method for protecting reproductive tract microecological health balance
InactiveCN103110973AProve securityProof of stabilityAbsorbent padsBandagesPreservativeEcological health
The invention discloses a composition for protecting a reproductive tract microecological health balance. The composition is characterized in that the formula of the composition comprises an oligosaccharide, an excipient, an antimicrobial preservative, a skincare cosolvent and a diluent, wherein the weight ratio of the oligosaccharide to the excipient to the antimicrobial preservative to the skincare cosolvent to the diluent is (10-25): (10-80): (0.5-1): (2-5):(1-77.45). The composition is applicable to sanitary napkins, tampons or sanitary pads to realize the effect of protecting the reproductive tract microecological health balance.
Owner:QUANTUM HI TECH (CHINA) BIO CO LTD
Cloth for sanitary pads and preparation method of cloth
The invention belongs to spunlace non-woven textile products for sanitary pads, particularly relates to cloth for sanitary pads and a preparation method of the cloth. The preparation method of the cloth includes the steps of compositing two fiber layers via spunlace and drying the two fiber layers. The two fiber layers is separated into an A layer and a B layer along the entering direction of liquid from surface to interior, wherein the A layer is a blended layer of hydrophilic polypropylene short fibers and viscose fibers, the B layer is composited by a one-step spunlace method, and production time for multiple steps is greatly shortened, and production efficiency is greatly efficiently improved. The prepared sanitary pad material is thin, a user feels dry and comfortable when using a sanitary pad, comfortable sensation is greatly increased, international advanced level is reached, usability of the sanitary pad can be effectively improved, and skin-friendliness and abrasive resistance are better. In addition, compared with a conventional two-step method, the preparation method can save energy by 40%-50%.
Owner:福建福能南纺卫生材料有限公司
Method of manufacturing solid fuel mainly including synthetic resin-pulp scrap
Disclosed are eco-friendly and low-price solid fuel, which is naturally dried, and a method of manufacturing the same. Disposable diapers or disposable sanitary pads, which are failed during the manufacturing process, are used to produce industrial alternative fuel having a low price through a predetermined process, so solid fuel having no pollution problem in combustion is provided. The solid fuel is mainly made of synthetic resin-pulp scrap including synthetic resin integrated with pulp like the disposable diapers or the disposable sanitary pads. The method includes introducing a scrap, such as the wasted disposable diaper or the wasted disposable sanitary pad, including synthetic resin integrated with pulp into a crusher to break the scrap into fragments, adding a slight amount of waste cooking oil serving as a binding agent to the fragments, performing an extrusion-molding with respect to the fragments, cutting the extrusion-molded fragments to make pallets, and then drying pallets.
Owner:JEON YOUNG CHEOL
Antibacterial and antiviral sanitary pad
ActiveCN103463671AReduce entryAvoid side effectsAbsorbent padsBandagesGYNECOLOGIC DISORDERSDisease rates
The invention relates to the field of articles for women and in particular relates to an antibacterial and antiviral sanitary pad. Interferon-alpha is grafted on the surface of the sanitary pad. The sanitary pad with the grafted interferon-alpha has the characteristics of resisting bacteria and viruses and being high in biological safety, and the incidence rate of gynecological diseases caused by incorrect use of sanitary pads can be effectively reduced.
Owner:深圳市康乐美科技有限公司
Manufacturing technology for corn straw cotton
InactiveCN103061176ALow costWide range of usesFibrous raw materialsManufacturing technologyAgricultural science
The invention relates to a manufacturing technology for corn straw cotton and belongs to the technical field of plant straw deep processing technology. The manufacturing technology for the corn straw cotton is characterized by comprising technology procedures of separating skin and stalk of the corn straw, drying the straw stalk, smashing the straw stalk, separating fibres, and vapour treatment. The manufacturing technology for the corn straw cotton has the advantages of being little in device investment, enabling a device to be simple in operation, saving energy, enabling the manufactured corn straw cotton to be low in cost and wide in application and the like, and can be used for producing baby diapers, sanitary pads, cigarette filters, buffering package materials, disposable lunch boxes, paper glasses and the like, and has the advantages of being environmental-friendly and changing waste into valuable.
Owner:刘晨
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