KR101732253B1 - A Fiber Wiper for Removing Oil Film - Google Patents
A Fiber Wiper for Removing Oil Film Download PDFInfo
- Publication number
- KR101732253B1 KR101732253B1 KR1020150066084A KR20150066084A KR101732253B1 KR 101732253 B1 KR101732253 B1 KR 101732253B1 KR 1020150066084 A KR1020150066084 A KR 1020150066084A KR 20150066084 A KR20150066084 A KR 20150066084A KR 101732253 B1 KR101732253 B1 KR 101732253B1
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- South Korea
- Prior art keywords
- fine particles
- fiber
- active fine
- weight
- wiper
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
- A47L13/16—Cloths; Pads; Sponges
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L1/00—Cleaning windows
- A47L1/06—Hand implements
- A47L1/15—Cloths, sponges, pads, or the like, e.g. containing cleaning agents
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L25/00—Domestic cleaning devices not provided for in other groups of this subclass
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
Abstract
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fiber wiper for removing oil film, and more particularly, to a fiber wiper for removing oil film prepared by impregnating a fiber containing active fine particles with a surfactant and a solvent, So that the contamination source can be removed more easily.
Description
The present invention relates to a fiber wiper for removing oil film, and more particularly to a fiber wiper for removing oil film prepared by impregnating a fiber containing active fine particles with a surfactant and a solvent.
Typical wipers are made of woven or non-woven sheets and are used in a variety of applications, whether as dry or wet. For example, a dry wiper is used for surface cleaning by machining a specific pattern on the surface or adsorbing an optional additive on the surface.
PCT Laid-Open Patent WO 2010/074982 discloses a fibrous web which can be arbitrarily patterned on a fibrous web and can be used variously as a gas filtration article, a surface cleaning article, a personal hygiene article, a wound dressing article or the like depending on the purpose of use. Among them, surface cleaning products can easily remove contaminants on fine dust and less adsorbed surface, but they are not desirable for long-term accumulated pollution source because of low detergency for long-term adsorbed pollutants, external oil or petroleum pollutants Respectively.
In addition, PCT Publication No. WO 2003/104544 discloses a method for improving the disadvantages of a wiper using a pattern in a web by a method capable of adsorbing a specific inorganic substance on a surface to remove a contamination source more easily. More particularly, the present invention is a method for producing a wiper by providing a polishing resin-based matrix on a surface thereof so as to cover less than the entire surface of the nonwoven fabric, and to provide a scrubbing property. However, the above method has a problem that surface scratches may be generated by an inorganic material when scrubbing is simply performed by an inorganic material.
In recent years, interest in wipers has increased and consumer usage has been increasing, efforts have been made to provide convenience to the wipers, increasing the cleaning power of the pollutants, and removing pollutants without damaging the objects to be cleaned Efforts are needed to develop a wiper.
An object of the present invention is to provide a fiber wiper for removing an oil film which can increase a cleaning power against a contamination source and remove a contamination source without damaging the object to be cleaned.
It is another object of the present invention to remove contaminants adsorbed on the surface of a glass, a tile, a washstand or the like, which is soiled by external dust or household pollutants, by using the above-mentioned film wiper for removing oil film.
In order to achieve the above object,
The present invention provides a fiber wiper for oil film removal prepared by impregnating a fiber containing active fine particles with a surfactant and a solution containing a solvent.
The fiber wiper for removing oil film of the present invention has an excellent cleaning ability against contaminants adsorbed on the surface of glass, tile or basin, and has the effect of removing contaminants without causing scratches on the object to be cleaned.
Fig. 1 is a photograph of a surface of a fiber wiper in which active fine particles are coated in a circular pattern.
2 is a photograph of the surface of the fiber wiper having the active fine particles coated on the front side thereof.
Hereinafter, the present invention will be described in more detail.
The present invention relates to a fiber wiper for removing oil film prepared by impregnating a fiber containing active fine particles with a solution containing a surfactant and a solvent.
In the present invention, the active fine particles are fixed to the fibers by a binder. More specifically, the active fine particles are fixed on the fiber surface by applying a solution in which active fine particles and a binder are dispersed to the fibers.
The active microparticles are impregnated into the solution by impregnating the active microparticles with the solution to produce a fiber wiper for removing an oil film. The active microparticles are separated from the fibers as the solution is scrubbed, and the separated active microparticles penetrate between the object to be cleaned and the contaminants It is possible to open the space to more easily remove contaminants.
The active fine particles include at least one selected from activated carbon fine particles, activated alumina, silica fine particles, diatomaceous earth fine particles, kaolin fine particles, microbicide fine particles, titanium oxide, silica oxide, zirconium oxide and calcium carbonate.
The size of the active fine particles is not particularly limited, but is preferably 0.05 to 20 탆.
Also, the fibers may be selected from the group consisting of polyester, polyamide, polyolefin, cyclic polyolefin, polyolefin thermoplastic elastomer, poly (meth) acrylate, polyvinyl halide, polyacrylonitrile, polyurethane, polylactic acid, polyvinyl alcohol, poly At least one member selected from the group consisting of phenylene sulfide, polysulfone, polyoxymethylene, polypropylene, polyethylene, polyethylene terephthalate, polybutylene terephthalate, polybutene, polyphenylene sulfide and fluid crystalline polymers .
In the present invention, the method of applying the active fine particles to the fibers may be carried out by various methods such as gravure coating, reverse roll coating, slot die coating, air knife coating, knife over roll coating, and immersion coating. Preferably, the active fine particles are applied to the fibers using a gravure coating.
In one embodiment, the method of applying active fine particles to the fibers using the gravure coating is a method of applying a solution in which the active fine particles and the binder are dispersed to one side or both sides of the fibers, wherein the active fine particles are fixed .
It is preferable to use an aqueous solution to remove the active fine particles and the binder in order to remove a risk factor in the production of the product, and it is preferable to use an aqueous solution since the present invention is simple in the manufacturing process. However, the present invention is not limited thereto, and the active fine particles and the binder may be dispersed in an organic solvent according to the end use purpose.
The binder can determine the degree of adsorption of the fibers and the active fine particles according to the kind thereof, and the active fine particles can be easily separated from the fibers by the binder and the impregnating solution, And two or more kinds of binders selected from the group consisting of the two types of binders are selected and used.
The active fine particles are strongly adsorbed on the fabric so that only the active fine particles exposed on the surface can exhibit the cleaning power. However, when the active fine particles are adsorbed on the surface of the active fine particles by the impregnation solution, The binder can be more effective as the number of scrubs of the fiber wiper is increased and the active fine particles adsorbed therein are separated from the fibers and exhibit higher washing power.
The binder that serves to facilitate the active fine particles to be easily separated from the fiber by the impregnation solution includes at least one selected from the group consisting of synthetic resin and rubber.
The synthetic resin system specifically includes, for example, a polyacrylic acid ester, an acrylic styrene copolymer, a polyvinyl acetate, a vinyl acetate nonobocopolymer, a vinyl ethylate ethylene copolymer, a vinyl ethyl lemmer chloride copolymer, a vinyl acrylic copolymer, There may be mentioned polyethylene, polyvinyl chloride, polyvinyl alcohol, ethylene vinyl chloride copolymer, polyvinylidene chloride, polystyrene, polyurethane, polyester and epoxy, and polyvinyl alcohol is preferably used.
Specific examples of the rubber system include natural rubber, polybutadiene, butadiene styrene copolymer, butadiene acrylonitrile copolymer, butadiene methyl methacrylate copolymer rubber, butadiene styrene vinylpyridine copolymer, polychloropene and polyisopene .
In addition, it is preferable to use an acrylic binder for the binder which functions to completely adsorb the active fine particles on the fabric.
That is, in the present invention, the binder includes at least one selected from the group consisting of a synthetic resin, a rubber, and an acrylic.
The active fine particles are contained in an amount of 30 to 70% by weight, preferably 40 to 60% by weight, based on the total weight of the aqueous solution containing the active fine particles and the binder. If the active fine particles are contained in an amount less than 30% by weight, the amount of active fine particles impregnated into the fabric is low, and the contaminant removing ability decreases. If the active fine particles are contained in an amount exceeding 70% by weight, Follow.
The binder is contained in an amount of 0.5 to 5% by weight, and preferably 1 to 3% by weight based on the total weight of the aqueous solution containing the active fine particles and the binder. When the binder is contained in an amount of less than 0.5% by weight, active fine particles immobilized on the fibers are easily separated. When the binder is contained in an amount exceeding 5% by weight, the active fine particles are not activated by the binder, The active fine particles are difficult to be separated from the fibers.
The active fine particles may be applied to the entire surface of the fiber and may be applied in various patterns such as circular, triangular, rectangular, pentagonal, hexagonal, octagonal, rhombic, polygonal, spiral, star or elliptical depending on the application method, The fine particles are applied to the fibers at intervals of 0.5 to 10 mm, and are layered on the fiber surface and projected from the fiber surface to a height of 0.05 to 10 mm.
In addition, the active fine particles are applied in an amount of 5 to 300% by weight based on the total weight of the fibers.
The fibers coated with the active fine particles may be impregnated with a solution containing a surfactant and a solvent to finally produce a fiber wiper for removing oil film.
The surfactant includes at least one selected from the group consisting of a cationic surfactant, an anionic surfactant, a nonionic surfactant, and an amphoteric surfactant. However, the anionic surfactant and the cationic surfactant can not be mixed and used.
Examples of the cationic surfactant include alkyltrimethylammonium salts, dialkyldimethylammonium salts and alkylpyridinium salts.
The anionic surfactants include, for example, alkyl sulfates, alkyl sulfonates, alkyl ether sulfates, alkyl glycerol ether sulfonates, alkyl phosphate esters, ethoxylated alkyl phosphate esters, sarcosinates, taurate derivatives, and alkylsulfoacetates and the like, and the compounds may be terminal groups consisting of a hydroxyl group, a carboxyl group or a salt, the salt is Na +, K +, Rb + , Cs +, Fr +, Mg 2 +, Ca 2+, Sr 2 + , Ba 2 +, and Ra 2 + may be used.
The nonionic surfactant may be at least one selected from the group consisting of polyoxyethylene octyl phenyl ether, polyoxyethylene lauryl ether, polyoxyethylene tridecyl ether, polyoxyethylene sorbitan alkyl ether, polyoxyethylene, propylene copolymer, sorbitan alkyl ester, poly Polyoxyethylene stearyl ether, polyoxyethylene distearyl ether, polyoxyethylene oleyl ether, polyoxyethylene (20) sorbitan monooleate, polyoxyalkylene alkyl ether, polyoxyalkylene Polyoxyalkylene sorbitan fatty acid esters, polyoxyalkylene alkylamine, sorbitan fatty acid esters, alkyl alcohol amines, aryl acooleamines, and alkyl < RTI ID = 0.0 > Polyglucoside and the like.
Examples of the amphoteric surfactant include cocoamphocarboxy glycinate, lauryldimethylamine oxide, alkylbetaine, and cocamidopropylbetaine.
Further, the solvent includes at least one selected from the group consisting of an alcohol series, an aromatic hydrocarbon series, an aliphatic hydrocarbon series, a halogenated hydrocarbon series, an ester series, a ketone series and an ether series.
Examples of the alcohol system include methanol, ethanol, propanol, butanol, pentanol, and hexanol.
The aromatic hydrocarbon system may be selected from the group consisting of benzene, toluene, ethylbenzene, chlorobenzene, o-xylene, m-xylene, p-xylene, styrene, isopropylbenzene, n-propylbenzene, chlorotoluene, butylbenzene, Diisopropylbenzene, nitrotoluene, and the like.
The aliphatic hydrocarbon series may be selected from the group consisting of pentane, hexane, octane, nonane, decane, decalin, undecane, dodecane, tridecane, tetradecane, isononane, isodecane, isodecane, isododecane, isotridecane, isotetradecane , Cyclononane, cyclodecane, cyclododecane, cyclododecane, cyclotridecane, and cyclotetradecane, and the like.
Examples of the halogenated hydrocarbon series include chloroform and dichloromethane.
The ester system may be selected from the group consisting of benzyl acetate, allyl hexanoate, butylbutyrate, ethyl acetate, ethyl butyrate, ethylhexanoate, ethyl cinanoate, ethylheptanoate, ethylnonanoate, ethylpentanoate, isobutyl acetate, iso Butyl formate, isoamyl acetate, isopropyl acetate, methylphenyl acetate, and the like.
Examples of the ketone type include methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, and acetone.
Examples of the ether system include diethyl ether, dimethoxyethane, dimethoxymethane, dioxane, tetrahydrofuran, anisole, crown ether, monoethylene glycol, and polyethylene glycol.
The solution containing the surfactant and the solvent contains 0.1 to 50% by weight, preferably 1 to 3% by weight, of the surfactant based on the total weight of the solution. If the surfactant is contained in an amount of less than 0.1% by weight, the cleaning efficiency is decreased. If the surfactant is contained in an amount exceeding 50% by weight, it is difficult to wash the surface with water.
The solvent is contained in an amount of 0.1 to 50% by weight, preferably 1 to 3% by weight based on the total weight of the solution. If the amount of the solvent is less than 0.1 wt%, the cleaning efficiency decreases. If the amount of the solvent is more than 50 wt%, active fine particles adsorbed on the fibers are separated during transportation.
In addition, the solution containing the surfactant and the solvent may be a solution containing a residual amount of water such that the surfactant is 0.1 to 50% by weight, the solvent is 0.1 to 50% by weight, and the total weight of the solution is 100% by weight.
The solution is preferably an aqueous solution.
The solution containing the surfactant and the solvent may further contain a preservative to improve lubrication and gloss.
The preservative is contained in an amount of 0.05 to 3% by weight, preferably 0.1 to 1% by weight based on the total weight of the solution containing the surfactant and the solvent. If the preservative is contained in an amount of less than 0.05% by weight, the antibacterial effect is low and fungi and bacteria can be inhabited. Even if the preservative is more than 3% by weight,
The solution containing the surfactant and the solvent may be impregnated with fibers coated with active fine particles to finally remove the fiber membrane wiper for removing the oil film. The solution may be added in an amount of 0.05 to 1000% by weight, preferably 50 To < RTI ID = 0.0 > 500% < / RTI > by weight can be used to impregnate the fibers with the active microparticles.
The above-mentioned oil film wipers for removing oil film of the present invention can be used for surface cleaning, painting restoration, personal hygiene products and the like. Among them, when used for surface cleaning, pollutants adsorbed on surfaces of glass, tile, And the contaminants can be removed without causing scratches on the object to be cleaned.
Hereinafter, preferred embodiments and experimental examples are provided to facilitate understanding of the present invention. However, the following examples are provided only for the purpose of easier understanding of the present invention, and the present invention is not limited by the examples.
≪ Preparation of solution containing surfactant and solvent >
solution Manufacturing example One.
1.5% by weight of polyalkyl glucoside (LG Household ' s Health) as a surfactant, 2.0% by weight of butyl diglycol (concentrate) as a solvent, 96.4% by weight of purified water and 0.1% The mixture was stirred at 200 rpm to prepare a solution.
solution Manufacturing example 2.
1.5% by weight of polyalkyl glucoside (LGHI) as a surfactant, 2.0% by weight of ethanol as a solvent, 96.4% by weight of purified water and 0.1% by weight of a preservative were added to the reactor, Followed by stirring to prepare a solution.
≪ Active fine particles Coated Textile Manufacturing>
fiber Manufacturing example One.
A PET (180 g / m 2 ) fiber was wound on a winder with a width of 1.6 m, and a circular roller was mounted. Then, the active microparticle was applied to the fabric using a gravure printing method.
The application of the active fine particles using the gravure printing method was performed by preparing a solution and supplying the solution to the fibers.
The solution was prepared by mixing 50% by weight of alumina as active particles, 1.5% by weight of polyvinyl alcohol (PVA, OCI, P-05A) and 48.5% by weight of water as a binder, Fine particles were applied.
The supplied fibers were dried at a temperature of 180 ° C and a speed of 18 m / min through a conveyor belt, and then wound into a winder to prepare fibers coated with active fine particles.
The active microparticle content of the fabric produced was 127 g / m 2 .
fiber Manufacturing example 2.
The airlaid (160 g / m 2 ) fiber was wound around the winder at a width of 1.0 m, and then a patternless roller was attached. Then, the active microparticle was applied to the fabric using a gravure printing method.
The application of the active fine particles using the gravure printing method was performed by preparing a solution and supplying the solution to the fibers.
The solution was prepared by mixing 50% by weight of alumina as active particles, 2.5% by weight of polyvinyl alcohol (PVA, OCI, P-05A) and 47.5% by weight of water as a binder, Fine particles were applied.
The supplied fibers were dried at a temperature of 180 ° C and a speed of 18 m / min through a conveyor belt, and then wound into a winder to prepare fibers coated with active fine particles.
The active microparticle content of the fabric was 76 g / m 2 .
fiber Manufacturing example 3.
The airlaid (80 g / m 2 ) fiber was wound around the winder at a width of 1.0 m, and then a patternless roller was attached. Then, the active fine particles were applied to the fabric using a gravure printing method.
The application of the active fine particles using the gravure printing method was performed by preparing a solution and supplying the solution to the fibers.
The solution was prepared by mixing 50% by weight of alumina as an active fine particle, 2.5% by weight of acrylic binder (703HNF, Samsung polymer) and 47.5% by weight of water as a binder, and the solution was applied to fibers to coat active fine particles.
The supplied fibers were dried at a temperature of 180 ° C and a speed of 18 m / min through a conveyor belt, and then wound into a winder to prepare fibers coated with active fine particles.
The active microparticle content of the fabric was 80 g / m 2 .
< Oil film Manufacture of removal fiber wipers>
Example 1 to 6 and Comparative Example 1 to 2.
The fibers coated with the active fine particles prepared in the above-mentioned Fiber Preparation Examples 1 to 3 were prepared to have a size of 150 X 200 mm and then put into a wrapping paper. Then, the solutions prepared in Solution Preparation Examples 1 and 2 were added to the recommended amount To prepare a fiber wiper for removing oil film.
The combination of the fiber and the solution is shown in Table 1 below.
Production Example 1
Production Example 2
Production Example 3
Production Example 1
Production Example 2
Production Example 3
Production Example 1
fiber
(Impregnation amount, g)
Impregnation amount, g)
Experimental Example One. Oil film Removal measurement
A water-repellent coating (Rain OK long-lasting, Bullson circle) was applied to a clean plain glass sample, and then the sample was stored in an oven at 50 ° C for 1 hour or longer.
The water repellency of the measurement specimen was 97 to 100 o .
Then, the oil film wipers for removing oil films of Examples 1 to 6 and Comparative Examples 1 and 2 were scrubbed round the surface of the measurement specimen formed with the oil film 20 times to remove the oil film, and the water repellency was measured. The surface changes of the wiper were observed and the results are shown in Table 2 below.
After formation
Water repellent angle
After removal
Water repellent angle
Change value
As can be seen from the results in Table 2, the greater the change in the water repellency angle, the better the ability to remove the film of the oil film wiper for removing oil film.
In addition, the degree of separation of the active fine particles from the fibers by the fiber and the solution can be known. More specifically, if there is a pattern on the fiber, if the surface pattern of the fiber wiper for removing the oil film after the oil film removal is spread, Is easily separated.
Therefore, the fiber wipers for oil film removal in Examples 1 to 3, in which butyidiglycol was used as a solvent, were able to separate the active microparticles well from the fibers, and thus the oil film removal was excellent.
Further, in Example 1 using PET fibers, it was confirmed that fibers were not torn, so that they were firmer than Examples 2 and 3 using Airlaid fibers.
The fiber wipers for removing oil films of Examples 4 to 6 using ethanol as a solvent were not separated from the fibers effectively from the fibers of Examples 1 to 3 but the oil film removal was satisfactory and the water repellent angle change value was also good Respectively.
Similarly, in Example 4 using PET fibers, the tearing of the fibers did not occur. Therefore, it was confirmed that the fibers were firmer than Example 5 and Example 6 using Airlaid fibers.
The fiber wiper of Comparative Example 1 using water as a solvent showed that the active fine particles were not easily separated from the fibers because the pattern change was small and the water repellent angle change was the smallest.
In addition, the PET fabric of Comparative Example 2 in which the active fine particles were not applied had a very small change in water repellency and had no change in fiber surface state. Therefore, Could know.
Therefore, it was found that when using PET fiber and using butyldiglycol as a solvent, it shows the best film removal ability.
Therefore, since the fiber wiper for removing oil film of the present invention is easy to separate by the solution impregnated with the active fine particles fixed on the fiber, it is possible to remove the contamination source by the active fine particles, There is an effect that it can be removed.
Claims (17)
The active fine particles are activated alumina,
Wherein the fiber is selected from the group consisting of polyester, polyamide, polyolefin, cyclic polyolefin, polyolefin thermoplastic elastomer, poly (meth) acrylate, polyvinyl halide, polyacrylonitrile, polyurethane, polylactic acid, polyvinyl alcohol, And at least one member selected from the group consisting of sulfide, polysulfone, polyoxymethylene, polypropylene, polyethylene, polyethylene terephthalate, polybutylene terephthalate, polybutene, polyphenylene sulfide and fluid crystalline polymers,
The active fine particles are fixed on the fiber surface by applying a solution in which active fine particles and a binder are dispersed to the fibers,
The binder is a synthetic resin,
Wherein the solution in which the active fine particles and the binder are dispersed is an aqueous solution and comprises 30 to 70% by weight of active fine particles and 0.5 to 5% by weight of a binder based on the total weight of the aqueous solution.
The active fine particles are activated alumina,
Wherein the fibers are polyethylene terephthalate,
Wherein the binder is polyvinyl alcohol,
Wherein the surfactant is a polyalkyl glucoside,
Wherein the solvent is buthyldiglycol,
Wherein the active fine particles and the binder are contained in an amount of 30 to 70% by weight of active fine particles and 0.5 to 5% by weight of a binder based on the total weight of the aqueous solution in which the active fine particles and the binder are dispersed.
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| KR1020150066084A KR101732253B1 (en) | 2015-05-12 | 2015-05-12 | A Fiber Wiper for Removing Oil Film |
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| KR1020150066084A KR101732253B1 (en) | 2015-05-12 | 2015-05-12 | A Fiber Wiper for Removing Oil Film |
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| KR101732253B1 true KR101732253B1 (en) | 2017-05-08 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001120485A (en) | 1999-10-26 | 2001-05-08 | Achilles Corp | Cleaner |
| JP2003225187A (en) * | 2001-11-30 | 2003-08-12 | Kao Corp | Cleaning sheet |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7829478B2 (en) | 2002-06-11 | 2010-11-09 | 3M Innovative Properties Company | Consumer scrubbing wipe article and method of making same |
| EP2376693B1 (en) | 2008-12-23 | 2014-10-22 | 3M Innovative Properties Company | Patterned spunbond fibrous webs and methods of making and using the same |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001120485A (en) | 1999-10-26 | 2001-05-08 | Achilles Corp | Cleaner |
| JP2003225187A (en) * | 2001-11-30 | 2003-08-12 | Kao Corp | Cleaning sheet |
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