US20100180413A1 - Manufacture method of wet-tissue with antimicrobial and anti-fungus function - Google Patents

Manufacture method of wet-tissue with antimicrobial and anti-fungus function Download PDF

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US20100180413A1
US20100180413A1 US12/664,006 US66400607A US2010180413A1 US 20100180413 A1 US20100180413 A1 US 20100180413A1 US 66400607 A US66400607 A US 66400607A US 2010180413 A1 US2010180413 A1 US 2010180413A1
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germanium
silver
zinc
particles
gold
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Gu-Wan Jeong
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NANOPOLY CO Ltd
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NANOPOLY CO Ltd
Paul Medi Corp
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/002—Tissue paper; Absorbent paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H5/00—Special paper or cardboard not otherwise provided for
    • D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
    • D21H5/14—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of cellulose fibres only
    • D21H5/141—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of cellulose fibres only of fibrous cellulose derivatives
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/16—Heavy metals; Compounds thereof
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/36—Inorganic fibres or flakes
    • D21H13/46—Non-siliceous fibres, e.g. from metal oxides
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents

Definitions

  • This invention relates to a manufacture method of wet-tissue with antimicrobial and anti-fungus function with Non-woven fabrics, Cotton fabrics and other tissue papers or nano particle treated on-woven fabrics which already have antimicrobial and anti-fungus function, more particulary to the technology how to make those materials to have antimicrobial and anti-fungus functions by adding nano particles.
  • the disposable wet tissues are used at various commercial and public places such as restaurants, public transportation and hospitals by unspecified persons to clean themselves and take care of excrements of kids.
  • the wet tissues are being manufactured with paper or fabrics of soft materials such as non-woven fabrics, and it is cut to specific sizes and add distilled water before they are sealed and packed in synthetic resin packing material.
  • the non-woven fabrics as the major raw materials for wet tissue are manufactures by put the fabrics parallel or unfixed direction and combine to make it felt shape.
  • the immersion method is same as sheet forming method to making paper product that spread synthetic resin binder on the fabrics and drying and heating.
  • the dry method is erupt synthetic resin on the fabrics like a cotton sheet and heat and drying.
  • Non-woven fabrics of Chemical bonding type, Thermal bonding type, dry/ wet type including Air Ray non-woven fabrics, Needle punching type, Melt Blown type and Stitch type depending on manufacturing process.
  • the chemical Bonding type of Non-woven fabric is being manufactured through drying process by having adhesives penetrate into fabrics while web bonding.
  • non-woven fabrics there are two ways to manufacture non-woven fabrics depending on how to make the adhesives penetrate into fabrics: one is sediment adhesion method which is to penetrate by dipping, and the other one is Spray method which is to spray the adhesives on to fabrics.
  • the non-woven fabrics using sediment adhesion method are OB type, CB type and MB type.
  • the proper fibers to do Chemical bonding are Viscose Rayon, Polyester and blended fibers of Viscose Rayon and polyester. According to the manufacturing method of chemical bonding, the shapes and features of the non-woven fabrics can be differ per the adhesives used for web formulation.
  • the adhesives include soluble types and non-soluble, soft types and hard types.
  • Non-woven fabrics with the chemical Bonding method can be manufactured in many different ways per its production process, fabrics and adhesives, and it has variety and wide applications such as for automobile, Electronics, internal use for Electronics products, Filters, Adhesive tapes, Civil engineering and cleaner as industrial application and artificial flowers, general pacing materials, medical adhesive tape and cosmetics mask pack as general applications.
  • Non-woven fabrics of the thermal bonding method is being manufactured by mixing raw materials of Polypropylene(P.P.) which is flammable at low temperature, and melt it by heat or pressure and combine fibrous tissue and form the Web. This method is being used to produce lower weight non-woven fabrics.
  • P.P. Polypropylene
  • PP Polypropylene
  • Blended Yarn Polypropylene
  • PP+PE Polypropylene
  • Polyester+PP Polypropylene
  • Viscose Rayon As the Viscose Rayon itself is impossible to form the Web, Mix with Polypropylene or Blended fibers.
  • Non-woven fabrics are lower in tensile strength but has soft touch-feeling, superior absorptiveness, adhesive is not required, form the Web by heat which does not generate harmful materials.
  • the blended fiber When the blended fiber is used, it has superior adhesive property by heat, and therefore, it is being widely used for baby diapers, sanitary diapers, sanitary masks, Wet tissues and Wipers.
  • Span bond type non-woven fabric is being manufactured by for the Web with pressure after melting and spraying the fabric chips.
  • Mainly Polyester and Polypropylene are being used as material chips and sometimes Nylon is also used.
  • Span bond has the advantage of tensile strength is higher and superior in durability and chemical resistance while it has lower tensile strength because it is filament that does not stop from the starting point to the end in production without cut. It is being used for industrial applications such as interior material for automobiles, Filter, Cable protector, Civil Engineering, Agricultural and Coating, and packing material for flowers, basic wall papers, packing materials, Beds and furniture and printing materials as general industrial applications.
  • Air-ray type of Non-woven fabric is being manufactured with Compressed air and adhesives, there is no difference in tensile strength of parallel and horizontal direction.
  • Non-woven fabrics use the same manufacturing process as paper manufacturing which is sheet forming method. The difference is that it does not use pulps as materials but uses other fabrics which allow free control of its specification, and being used for Wipers, Towel, Filter bag and cover of Diapers.
  • Needle-punching type non-woven fabrics are manufactured with special needles to form the web which enables to vary its thickness of the products with number of punching and density of needles. It is applied to Carpet, Blanket, Filter, wick coating agent.
  • Span-ray non-woven fabrics are manufactured by spraying high pressure water to the fabrics to form the web.
  • Viscose Rayon, Polyester, Polypropylene as itself or blended are used as raw materials.
  • As the products is good in flexibility, breath-ability and hygienic, it is used for Medical wick, household items, Coating agent, roofing materials, wiper and sanitary products.
  • Span-ray non-woven fabrics have soft-touch feeling, superior absorptiveness of water, superior cleaning function and form web with water, its manufacturing process is hygienic, and therefore it is used mainly for sanitary products such as Wet Tissue, Wiper and cosmetic mask pack.
  • Melt blown type non-woven fabrics are manufactured by weaving blended high molecule to get ultra thin yarn with high compressed heat and form the web. With its superiority of flexibility, permeability and insulation, it is used for Filter, Insulation materials, Wipers, Oil absorbing sheet and sanitary napkins.
  • Starch bond type non-woven fabrics do not use adhesives but quilting method, it is thin but high tensile strength and it is used mainly for wick and interior materials for automobile.
  • the general wet tissues are manufactured to clean the body partially by adding specially prepared water to cottons or pulps or some of above-mentioned non-woven fabrics (i.e. thermal bonding type non-woven fabrics and etc.).
  • Moisturizer and surfactant are generally added to specially prepared water for wet tissue to produce wet tissues. And those wet tissues use chemical preservatives, alcohol and perfumeries to protect contamination of the wet tissues, possible changes of the characters of the materials added and to lessen the bad smells.
  • the chemical preservatives are Benzoic acid, Sorbic acid, Methylparaben, Ethylparaben, Propylparaben, Butylparaben, 3-iodo-2-propynyl butyl carbonate, 4-thiazolyl-benzimidazole, 2-(4-thiazolyl)-benzimidazole, benzalkonium chloride, polyvinyl Butyral, deiodinemethyl, p-tolyulfanilamide, 2.4.5.6-tetrachliro-iso-butyno-nitryl, p-hydroxybenzoate.
  • All of those materials are skin irritator and may generate skin problems, and it has high possibility to be accumulated to the body of kids who are weak in resistance and it can be the reason for atopic skin problems.
  • antimicrobial materials and alcohol generate bad smell that gives bad feeling.
  • the antimicrobial materials and alcohol are added to wet tissues, there is still high possibility for the bacteria and fungus to be increased in the closed containers because the moisturizer, plasticizer, antioxidant, adhesive agents which are the additive materials for non-woven fabrics (PET, PP, PE, Nylon, Viscose rayon, Pulp, Cotton) become nutritive elements to microorganism in the container where the proper temperature is maintained and Ultraviolet rays is blocked.
  • the moisturizer, plasticizer, antioxidant, adhesive agents which are the additive materials for non-woven fabrics (PET, PP, PE, Nylon, Viscose rayon, Pulp, Cotton) become nutritive elements to microorganism in the container where the proper temperature is maintained and Ultraviolet rays is blocked.
  • Korean Laid-Open Patent No. 10-2006-1758 shows that Silver colloid as antimicrobial material solved color change problem to yellowish and black and it has antimicrobial effect. It also described on the technology to apply it for Wet Tissues with Silver Colloid of smell-less and harmless to human body.
  • the above-mentioned process shows that it solved the problems of color changes caused by halogen compound and mineral ingredients or lye and other toxic materials to use it as antimicrobial materials to white wet tissues.
  • chlorine halogen material
  • mineral ingredients or lye and other toxic materials to use it as antimicrobial materials to white wet tissues.
  • the first process put chlorine (halogen material) into silver colloid and have it react, and compounding calcium carbonate to yellowish color to make the pH weak alkali.
  • transparent silver colloid can be made through filtering the floating particles of transparent white color which are formed by neutralization with nitric acid soda.
  • the above-mentioned manufacturing method of wet tissue is the technology which make difficult to estimate the durability after open the pack and overall validity of the products but simply considers how to provide antimicrobial function to treated water for wet tissues.
  • Korean Laid-Open Patent No. 10-2006-95685 provides the method of protecting the propagation of microbes by wetting the wet-tissues into nano silver contained water in the manufacturing process of wet tissue and the method how to eliminate the microbes effectively by transferring the harmless nano silver materials to the hands of customers.
  • nano silver treated water of 25-150 ppm to wet-tissue which is formed with compound of nano silver treated water, surfactants, anti-fungus materials and preservatives to papers and fabrics.
  • Korean Laid-Open Patent No. 10-2006-95685 describes that anti-fungus materials need to be added besides nano silver treated water used for antimicrobial function. But it has no definition on the size of nano silver particles of the nano silver treated water used but only concentration level only. This can be the case only when the nano silver is added as supplements for antimicrobial function while anti-fungus materials and preservatives are also used.
  • the nano-sized silver particles shows its antimicrobial and anti-fungus functions by energy of the surfaces with increased surface area, the technology is rather unclear and has practical problem to apply with only limited concentration level unless it explains clearly about the particle sizes. It emphasizes only on adding antimicrobial function instead of anti-fungus function limited to manufacturing water in the wet tissue manufacturing process.
  • Korean Laid-Open Patent No. 10-2006-110952 suggests functional wet tissue that eliminates accumulated heavy metals from the skin, activate cells and have the functions of smoothing blood circulation, hygienic, superior safety to the skin and antimicrobial and antifungal functions against microbes stays on the skin by adding polyglucosamine, ceramic liquid, lotion, aloe and vitamin to nano silver material treated Span lace which is natural pulp.
  • the technology is limited to apply nano silver powder or nano silver coated capsule and it has some difficulties to execute and apply it to keep anti-fungus function with 1-100 ppm concentration of nano silver itself alone a the concentration level is not sufficient.
  • Korean Laid-Open Patent No. 10-2006-110952 uses powder or capsule type of silver only, it has high possibility of color changes and color contamination. It is limited to only to use for manufacturing water for wet tissues, not considering antimicrobial and anti-fungus treatment to non-woven fabrics and pulps.
  • Korean Patent No.10-0693293 it is featured to use below 10 nm particle size to produce preservatives-free cleaning wet tissue which has antimicrobial and deodorizer functions using nano particles of metals or to use 1-2 nm nano silver particles to minimize the quantity to be used.
  • the quantity to use is 50-100 ppm concentration when the particle size of below 10 nm is used, and 0.4-1 ppm concentration is used with 1-2 nm particle size.
  • Nano silver is used for manufacturing water of tissues only.
  • the reject rate (fungus incidence) came to 1-5% in practical repeated mass production.
  • Korean patent No. 10-643515 introduces polypropylene span-bond type non-woven fabrics and its manufacturing technology which solves the problems of human beings and environment caused by using improper antimicrobial and deodorizer chemicals, increases economical efficiency for the necessity of drying process against moisture absorption and work efficiency against increased pressure raised by uneven dispersion in the polymer and problems of cut-thread and provide antimicrobial and deodorizer functions not to allow the virus, bacteria and fungus to inhabit.
  • the Patent it is produced with pure metallic nano silver particles of 1-3 nm level combined with silica particles of below 1 nm and polypropylene and the added quantity of nano silver is to be 10-1,000 ppm of total polypropylene resin of Polypropylene span bond non-woven fabric, Melt blown span bond multilayer non-woven fabric, using the prefabricated master batch chip contains 0.01 ⁇ 10 wt % of nano silver and the added quantity of nano silver is to be 10-1,000 ppm of total polypropylene resin of polypropylene span bond non-woven fabric or polypropylene span bond, Melt blown span bond, multilayer non-woven fabric, polypropylene chip have 20 ⁇ 80 g/10 min Melt Flow Rate(MFR) as a main raw material through the melt, mix, homogenize on the extruder, melt spinning through the spinneret, formed filament after cooling, drawing, formed web on the porous conveyer belt, move to the calendar for heating bond process and then they have stability of formation.
  • MFR Melt Flow Rate
  • silica of below 10 nm is combined to silver of 1-3 nm level; however, there is no description on the detail method of it. Though we assume this is the case silica is used as inclusion body as usual, the silica particles do not require the inclusion body except a special case.
  • the abovementioned technology may reach the result of decreasing the increased energy with increased surface of nano particles because the surface area is decreased if silver particles of the pure metal are contained in the inside of silica, inclusion body.
  • crushing the inorganic silica with physical method it can be just 10 nm level under the current technology level due to the manufacturing technology of related crusher, tolerance in process and related materials.
  • the technical explanation is different from the one that uses silver of 1-3 nm to non-woven fabrics directly as described because it must be considered that the nano particle size exceeds 50 nm if the size of combined silica with silver is 50 nm even though the silver size is 1-3 nm.
  • Korean patent No. 10-643515 describes the manufacturing method of non-woven fabrics with nano silver particles by mixing to polypropylene materials only.
  • This invention has been made considering the past technology and its first objective is to provide a manufacture method of antimicrobial and anti-fungus wet tissues by mixing non-woven fabrics of less contamination level or cotton fabrics or papers into antimicrobial water which contain nano particles of either one of platinum, gold, silver, germanium, selenium and zinc or more than 2 of selected metals.
  • the second objective of this invention is to provide a manufacture method of antimicrobial and anti-fungus wet tissues with non-woven fabrics which already have antimicrobial and anti-fungus functions by adding nano particles of either one of platinum, gold, silver, germanium, selenium, zinc, copper and tungsten or more than 2 of selected metals, and, mix this fabrics material into distilled water of purified water so that the wet issue can have optimistic level of antimicrobial and anti-fungus function.
  • the third objective of this invention is to provide a manufacture method of antimicrobial and anti-fungus wet tissue by mixing nano particles of one or one metals of gold, platinum, silver, germanium, selenium, zinc, copper and tungsten into fabric materials such as viscose rayon, polyester, polyethylene, polypropylene, cotton and pulp to have those fabrics itself antimicrobial and anti-fungus function, and mix this treated fabrics into antimicrobial and anti-fungus water prepared by mixing one or one metal particles of gold, platinum, silver, germanium, selenium and zinc so that both of fabrics and water have antimicrobial and anti-fungus functions.
  • the 1st objective provides the manufacture method of antimicrobial and anti-fungus wet tissue with selected non-woven fabrics of blended one or one materials of viscose rayon, polyester, polyethylene, and polypropylene or cotton or pulp by mixing into antimicrobial water which contains nano metal particles of one or more than one of platinum, gold, silver, germanium, selenium and zinc.
  • the manufacture method of antimicrobial and anti-fungus wet tissue comprises a step of forming the antimicrobial and anti-fungus fabrics by mixing one or more that one metal nano particles of platinum, gold, silver, germanium, selenium, zinc, copper and tungsten into blended fabrics of one or more than one out of viscose rayon, polyester, polyethylene, polypropylene, cotton and pulp, and a step of fabricating antimicrobial and anti-fungus tissue by dipping the antimicrobial and anti-fungus fabrics into distilled water or purified water.
  • this Patent provides the manufacturing method of antimicrobial and anti-fungus wet tissue with selected antimicrobial and anti-fungus fabrics which is formed with one or more than one nano metal particles out of gold, platinum, germanium, selenium, zinc, copper and tungsten and antimicrobial water which contains one of more than one of metal particles out of gold, platinum, germanium, selenium, zinc, copper and tungsten.
  • one or more than one nano metal particles out of germanium, selenium, zinc, copper and tungsten are added before spinning of rayon yarn, and process with master batch chips or compounding chips produced by mixing one or more than one nano metal particles out of above mentioned gold, platinum, silver, germanium, selenium, zinc, copper and tungsten with thermostatic plastic resin into above mentioned polyester, polyethylene and polypropylene.
  • Above cotton is dipped into above mentioned nano metal contained liquid or mixed spin with the nano metal particles.
  • nano metal particles is mixed into water for dispersion process of pulp materials, or mix above nano metal particles into adhesive agent which is used in the process of pulp to have certain thickness and form, or it is mixed with the method of spraying above nano metal particles after the pulp is formed as fabrics.
  • the first example can provide enough antimicrobial and anti-fungus efficiency without color changes for long time as it is manufactured hygienically with antimicrobial and anti-fungus water and one or more than one of nano metal particles of gold, platinum, silver, germanium, selenium and zinc into non-woven fabrics or cotton fabrics or pulp which are relatively less contaminated.
  • the non-woven fabrics can be the place where the organic materials contained in the wet tissue can be the feeds to bacteria and fungus to live
  • the increase of bacteria and fungus from wet tissues can be inhibited for long period by dipping antimicrobial and anti-fungus non-woven fabrics into distilled water or purified water after providing antimicrobial and anti-fungus function to raw fabrics of textile materials by mixing one or more than one of nano metal particles out of gold, platinum, silver, germanium, selenium and zinc.
  • antimicrobial and anti-fungus function is achieved by dipping antimicrobial and anti-fungus textile fabrics of viscose rayon, polyester, polyethylene, polypropylene and cotton which was mixed and formed the web with one or more than one of nano metal particles out of gold, platinum, silver, germanium, selenium, zinc, copper and tungsten into antimicrobial and anti-fungus water which one or more than one of nano metal particles out of gold, platinum, silver, germanium, selenium and zinc, the propagation of microbes which cause the contamination are inhibited from the manufacturing process of non-woven fabrics as textile fabrics, and it is also possible to inhibit the increase of bacteria and fungus even though there are organic materials from the materials contained in wet tissues.
  • the antimicrobial and anti-fungus function is added to both of raw fabrics and manufacturing water for tissue in the third example, it is possible to manufacture cheaper but high stability wet tissues by reducing 30-50% in concentration level of nano metal particles comparing to apply it to one of method of either raw fabrics or manufacturing water for tissue even though individual concentration level is different.
  • this invention considers contamination level of the fabrics (non-woven fabric), hygienic level of its manufacturing process and the contents of the organic additives which are being used to manufacture wet tissues. It is possible to use nano metal particles to either non-woven fabrics or manufacturing water for wet tissue to manufacture wet tissues under this invention. Or, it is possible to use the nano metal particles to each of these one materials (fabrics and water) separately.
  • wet tissues manufactured with this invention does not use chemical preservatives which can give irritation to skin, it can provide of less irritation to skin of human-being as well as it minimizes the skin irritation and provides safety wet tissues as the chemical preservatives are not used even when many other additives of moisturizer and natural organic materials are added to manufacture multi function wet tissues.
  • FIG. 1 is a TEM(Transmission Electron Microscope) picture of Platinum Nano metal particles applied to manufacturing antimicrobial and anti-fungus wet tissue according to this invention.
  • FIG. 2 is a TEM picture of Gold nano metal particle applied to this invention.
  • FIG. 3 is a TEM picture and its distribution chart of Silver nano metal particle applied to this invention.
  • FIG. 4 is a TEM picture of Copper nano metal particle applied to this invention.
  • FIG. 5 is a TEM picture of Zinc nano metal particle applied to this invention.
  • FIG. 6 is a TEM picture of Germanium and Selenium nano particles applied to this invention.
  • FIG. 7 is a TEM picture of Selenium nano particle applied to this invention.
  • FIG. 8 is a TEM picture of Gold Tungsten(Wolfram) metal particle applied to this invention.
  • FIG. 9 is a SEM(Scanning Electron Microscope) picture of Germanium and Selenium nano particles that shows the mixtures with Viscose Rayon as non-woven fabrics materials to manufacture wet tissues under this invention.
  • FIG. 10 is a SEM picture of silver as nano metal particles of mixed spin yarn with polypropylene under this invention.
  • FIG. 11 is a SEM picture of silver as nano metal particles of mixed spin yarn with polyester under this invention.
  • FIG. 12 is a SEM picture of Silver nano metal particles added to Viscose Rayon yarn.
  • tissue manufacturing water of antimicrobial and anti-fungus function in tissue fabric with nano metal particles to guarantee antimicrobial and anti-fungus effects without chemical preservatives or antimicrobial and anti-fungus materials to manufacture wet tissues with raw tissue fabrics which have certain measurement, tensile strength and flexibility.
  • the Tissue Fabrics applied to the first embodiment of this invention does not limit to only non-woven fabrics of less contamination possibility of bacteria infection caused by external or internal reasons during its manufacturing process, distribution and warehousing but includes also cotton fabrics and pulps.
  • the nano metal particles mixed to tissue manufacturing water to have antimicrobial and anti-fungus functions include one or more than one of selected mixtures out of platinum, gold, silver, germanium, selenium and zinc.
  • the nano metal particles applied to this invention to provide antimicrobial and anti-fungus functions the Platinum (Pt: refer to TEM picture of FIG. 1 ) has the function of antimicrobial and deodorizer and recognized widely as functional catalyst.
  • particle size of 1-50 nm with final concentration level of 0.00001-0.0005 wt % (0.1-5 ppm) of the weight to tissue manufacturing water is used.
  • the Gold (refer to TEM picture of FIG. 2 ) out of the above-mentioned nano metal particles have not only antimicrobial function but also inhibitive action against aggregation of nano particles by direct contact, coupling and aggregation.
  • particle size of 1-30 nm with final concentration level of 0.00001-0.001 wt % (0.1-l0 ppm) is used.
  • the Silver (refer to FIG. 3 , TEM picture and distribution chart) as nano metal particles applied in this invention provides antimicrobial and anti-fungus function and particle size of 1-20 nm with final concentration of 0.0001-0.002wt % (1-20 ppm) to weight of tissue water.
  • the nano silver particles may cause color contamination if it reacts to ultra violet light, or it can be aggregated or precipitated if it reacts to remaining sulfides which is used in the manufacturing process of viscose rayon yarn, it is recommended to minimize to use 0.00001-0.002 wt % (0.1-20 ppm).
  • this invention is using the zinc of 1-5 nm particle size with final concentration of 0.003-0.03 wt % (30-300 ppm) to tissue manufacturing water.
  • Germanium organic germanium: refer to TEM picture of FIG. 6 ) as nano metal particles were proved through experiment that it has functions of inhibiting increase of spore of mushrooms and fungi.
  • germanium of 1-50 nm particle size with final concentration of 0.0001-0.01 wt % (1-100 ppm) to weight of tissue manufacturing water is used.
  • the Selenium (refer to TEM picture of FIG. 7 ) as nano metal particles applied to this invention has been proved through experiments that it shows antimicrobial effect against spore of fungus bacteria with below 50 ppm.
  • selenium of 1-50 nm particle size with final concentration of 0.0001-0.01 wt % (1-100 ppm) to the weight of tissue manufacturing water is used.
  • the hydrogen peroxide (H 2 O 2 ) ⁇ circle around (7) ⁇ is mixed of into tissue manufacturing water which one or more than one of nano metal particles out of platinum, gold, silver, germanium, selenium and zinc is mixed. Ultimately, mix the hydrogen peroxide to be its concentration 10-450 ppm (0.001-0.045%).
  • the total concentration of the nano metal particles of the above-mentioned platinum, gold, silver, germanium, selenium and zinc does not exceed 0.01 wt % (100 ppm) of tissue manufacturing water for wet tissue when more than one of those are mixed into tissue manufacturing water. This is because it can provide enough antimicrobial and anti-fungus effects with maximum concentration of 0.01wt % (100 ppm) even though more than one of the above-mentioned nano metal particles are mixed with mixing rate of any combination.
  • the nano platinum particles include chemical compound of platinum, the material obtained from the basic raw materials; [Ammonium hexachloroplatinum(IV); (NH 4 ) 2 [PtCl 6 ], Diamine Dinitritoplatinum(II);Pt(NO 2 ) 2 (NH 3 ) 2 , Hexachloroplatinum(IV)acid hydrate; H 2 (PtCl 6 ) ⁇ 6H 2 O, Hexahydoxoplatinum(IV)acid;H 2 Pt(OH 6 ), Platinum acetylacetonate;Pt(C 5 H 7 O 2 ) 2 , Platinum chloride;PtCl, PtCl 2 , PtCl 4 , Platinum iodide;PtI 2 , Platinum oxide;PtO, PtO 2 , Pt 2 O 3 , Platinum sulfide;PtS 2 ] by dissociation and
  • the nano particles of platinum extracted from above-mentioned chemical compound of platinum include the one obtained by dissociation and reduction of ion to extract metal platinum with surfactant as liquid, the one gained through the stabilization with one out of silica, zeolite and phosphoric zirconium as a carrier after extracting metal platinum by dissociation and reduction of ion from chemical compound contained platinum and the one gained through gamma ray after melting the chemical compound of platinum with high molecule stabilizer into water or non-water solvent and purge nitrogen after irradiating gamma ray.
  • nano particles of gold include chemical compound of gold; [Gold sulfide; Au 2 S, Gold hydroxide; AuOH, Au(OH) 3 , Gold iodide; AuI, Gold oxide; Au 2 O, Au 2 O 3 , Gold oxide hydrate; Au 2 O 3 ⁇ rxH 2 O, Gold chloride ; AuCl, AuCl 3 , Gold chloride trihydrate; HAuCl 4 ⁇ 3H 2 O] gained through dissociation of selected materials from raw materials with pure water, ethanol and Isopropyl alcohol and reduction of ion to extract gold metal, and gold particles formed after crushing into small pieces with physical impact.
  • gold nano particles from chemical compound of gold include the one manufactured with gold extracted by dissociation and reduction of ion from chemical compound contains gold with water as surfactant, the one gained through the stabilization with one out of silica, zeolite and phosphoric zirconium as a carrier after extracting metal platinum by dissociation and reduction of ion from chemical compound contained gold and the one gained through gamma ray after melting the chemical compound of gold with high molecule stabilizer into water or non-water solvent and purge nitrogen.
  • silver nano particles include the one manufactured with the selected materials from basic raw materials of the metal salt and its chemical compound [Silver nitrate; AgNO3, Silver chloride; AgCl, Silver chlorate; AgClO 3 , AgClO 4 ), Silver sulfate; Ag 2 SO 4 , Silver sulfite; Ag 2 SO 3 , Silver sulfide; Ag 2 S, Silver acetate; CH 3 COOAg, Silver selenide Ag 2 Se, Silver citrate hydra; AgO2CCH2C(OH)(CO2Ag)CH2CO2AgxH2], the one crushed silver particles in small pieces by physical method and the one manufactured by electrical explosion.
  • Silver nano particles include the one manufactured with silver extracted by dissociation and reduction of ion from chemical compound contains gold with water as surfactant, the one gained through the stabilization with silica, zeolite and phosphoric zirconium as a carrier after extracting metal silver by dissociation and reduction of ion from metal salt and chemical compound contained silver, and the one gained through gamma ray after melting metal salt and chemical compound with high molecule stabilizer into water or non-water solvent and purge nitrogen.
  • the silver nano particles of the above-mentioned chemical compound of silver manufactured with nitrogen silver (AgNO 3 ) are the colloidal silver particles which Nitrogen (NO 3 ) radicals, counter ion against silver ion generated during the production of silver particles, are eliminated by passing through ion exchange resin or vacuum distillation method.
  • zinc nano particles include the one manufactured by dissociation of selected material from the basic raw materials of chemical compound of [Zinc acetate ; (CH 3 CO 2 ) 2 Zn, Zinc acetate dihydrate; Zn(CH 3 COO) 2 ⁇ 2H 2 O, Zinc acrylate; (H2C ⁇ CHCO 2 )2Zn, zinc chloride; ZnCl 2 , Zinc iodide; ZnI 2 , Zinc phthalocyanine ; C 32 H 16 N 8 Zn, Zinc selenide ; ZnSe, zinc sulfate ; ZnSO 4 , Zinc sulfide ; ZnS, Zinc 29H31H-tetrabenzol [b,g,l,q] porphyrin ; C 36 H 2 ON 4 Zn] and reduction of ion to extract metal zinc, and the one manufactured by electrical explosion.
  • Above zinc nano particles include the one manufactured with zinc extracted by dissociation and reduction of ion from chemical compound contains zinc with water as surfactant, the one gained through the stabilization with one of silica, zeolite and phosphoric zirconium as a carrier after extracting metal zinc by dissociation and reduction of ion from chemical compound contained zinc, and the one gained through gamma ray after melting chemical compound with high molecule stabilizer into water or non-aqueous catalyst and purge nitrogen.
  • germanium nano particles include the one gained by extracting germanium metal by dissociation and reduction of ion from the selected materials from basic raw materials [Germanium chloride; GeCl 4 , Germanium chloride dioxane complex; C 4 H 8 Cl 2 GeO 2 , Germanium fluoride GeF 4 , Germanium iodide; GeI 2 , GeI 4 , Germanium isopropoxide; Ge(OCH(CH 3 ) 2 ) 3 , Germanium methoxide; Ge(OCH 3 ) 4 , Germanium nitride; Ge 3 N 4 , Germanium oxide; GeO 2 , Germanium selenide; GeSe, GeSe 2 , Germanium sulfide; GeS, the one of organic germanium compound.
  • the nano metal particle size mixed to provide antimicrobial and anti-fungus functions under the second embodiment of this invention is 1-50 nm of platinum(refer to TEM picture of FIG. 1 ) and the final concentration is 0.00005-0.003 wt % (0.5 ⁇ 30 ppm) to the weight of wet tissue fabrics(non-woven fabric).
  • the nano metal particle size of the above-mentioned gold (refer to the TEM picture of FIG. 2 ) is 1-30 nm and the final concentration is 0.00005 ⁇ 0.005 wt % (0.5 ⁇ 50 ppm to the weight of wet tissue fabrics(non-woven fabrics).
  • the size of nano metal particles of silver (refer to TEM picture of FIG. 3 ) is 1-20 nm and the final concentration is 0.0005 ⁇ 0.02 wt % (5 ⁇ 200 ppm) to the weight of wet tissue fabrics(non-woven fabrics).
  • the size of nano metal particles of the above-mentioned copper (refer to TEM picture of FIG. 4 ) is 1-50 nm and the final concentration is 0.001 ⁇ 0.02 wt % (10 ⁇ 200 ppm) to the weight of tissue fabrics(non-woven fabrics).
  • the size of nano metal particles of the above-mentioned zinc (refer to the TEM picture of FIG. 5 ) is 1-50 nm and the final concentration is 0.003 ⁇ 0.1 wt % (30 ⁇ 1,000 ppm) to the weight of tissue fabrics(non-woven fabrics).
  • the size of nano metal particles of the above-mentioned germanium is 1-50 nm and the final concentration is 0.0001 ⁇ 0.03wt % (1 ⁇ 300 ppm) to the weight of tissue fabrics(non-woven fabrics).
  • the size of nano metal particles of the above-mentioned selenium (refer to the TEM picture of FIG. 7 ) is 1-50 nm and the final concentration is 0.0001 ⁇ 0.01 wt % (1 ⁇ 100 ppm) to the weight of tissue fabrics(non-woven fabrics).
  • the size of nano metal particles of the above-mentioned tungsten(W; wolfram)(refer to the TEM picture of FIG. 8 ) is 1-50 nm and the final concentration is 0.001 ⁇ 0.03 wt % (10 ⁇ 300 ppm) to the weight of tissue fabrics(non-woven fabrics).
  • viscose rayon is produced by adding one or more than one of selected nano metal particles from the above-mentioned germanium, selenium, zinc and copper to the side feeding process of extruder of materials just before spin the fabric materials prepared.
  • Viscose is manufactured by mixing and melting the cellulose compound [(C 6 H 9 O 4 -OCS 2 Na)n] with carbon disulfide (CS 2 ) after producing alkali-cellulose [(C 6 H 9 O 4 -ONa)n] through dipping, pressing and pulverizing process after mixing sodium hydroxide (NaOH) into pulp. It is manufactured by spinning the selected one or more than one of the above-mentioned nano metal particles mixed in the side feeding process.
  • the method of spin mixed with nano metal particles or the method of dipping cotton materials into the liquid contained nano particles in the manufacturing process of non-woven fabric or yarn.
  • the antimicrobial and anti-fungus yarns are produced by mixing the treat master-batch or compounding chips (3-10% of master-batch chips and 100% of compounding chips) to the raw materials and spin.
  • the materials of antimicrobial and anti-fungus ⁇ circle around (1) ⁇ viscose rayon, ⁇ circle around (2) ⁇ polyester(PET), ⁇ circle around (3) ⁇ polyethylene(PE), ⁇ circle around (4) ⁇ polypropylene(PP), ⁇ circle around (5) ⁇ cotton and ⁇ circle around (6) ⁇ pulp which nano metal particles are treated to selectively is used independently or as mixtures of more than one of it. And those are a lied to manufacture textile fabrics (specially non-woven fabrics) that require antimicrobial and anti-fungus functions including wet tissues as an example.
  • the total concentration of the nano metal particles used for final raw fabrics of wet tissues is limited not to exceed 0.1 wt % (1,000 ppm to the weight of wet tissue when the nano metal particles of platinum, gold, silver, germanium, selenium, zinc, copper and tungsten independently or mixture of more than one are mixed into above textile materials of ⁇ circle around (1) ⁇ viscose rayon, ⁇ circle around (2) ⁇ polyester, ⁇ circle around (3) ⁇ polyethylene(PE), polypropylene(PP), ⁇ circle around (5) ⁇ cotton and ⁇ circle around (6) ⁇ pulp, and the wet tissues manufactured with the textile materials independently or mixtures of more than one of each raw fabric.
  • tissue manufacturing water distilled or purified water
  • nano metal particles of gold, platinum, silver, germanium, selenium, zinc and tungsten into textile materials to have antimicrobial and anti-fungus functions to manufacture non-woven fabrics.
  • FIG. 10 is a SEM picture of the fiber of mixed spin of silver as nano metal particles together with polypropylene
  • FIG. 11 is a SEM picture of the fiber of mixed spin of silver as nano metal particles together with polyester
  • FIG. 12 is a SEM picture of the fiber of mixed spin of silver as nano metal particles together with viscose rayon based on this invention.
  • the first embodiment is the manufacturing method of antimicrobial and anti-fungus wet tissue by dipping the non-woven fabric into tissue manufacturing water that contain nano metal particles assuming the non-woven fabric as raw textile fabric which is treated well to have antimicrobial, anti-fungus and antipollution functions.
  • the second example is the manufacturing method of antimicrobial and anti-fungus wet tissue is by mixing nano metal particles of antimicrobial and anti-fungus functions into non-woven fabrics as raw fabrics, and then dipping the non-woven fabrics into general tissue manufacturing water such as distilled or purified water.
  • the antimicrobial and anti-fungus wet tissue is manufactured by having the nano metal particles contained into both of fabrics and tissue manufacturing water to gain better antimicrobial and anti-fungus function economically compared to the method of mixing the nano metal particles into one of non-woven fabrics or tissue manufacturing water to gain antimicrobial and anti-fungus functions as explained in the first and second embodiments.
  • the first antimicrobial and anti-fungus functions are gained by mixing the nano metal particles of antimicrobial and anti-fungus to fabrics for wet tissue, and the secondary antimicrobial and anti-fungus functions are gained by having the tissue manufacturing water of antimicrobial and anti-fungus non-woven fabrics contain nano metal particles of antimicrobial and anti-fungus functions.
  • the enough concentration needs to be considered to manufacture wet tissues of enough antimicrobial and anti-fungus function, however, with this third embodiment, the overall concentration of 30-50% of nano metal particles which are used for tissue manufacturing water or tissue fabrics of the first and second embodiments as the nano metal particles are mixed into both of tissue fabrics and tissue manufacturing water.
  • the nano metal particles to mix to non-woven fabrics as raw fabric materials and tissue manufacturing water are selected one or mixtures of one from gold, platinum, silver, germanium, selenium, zinc, copper and tungsten.
  • the nano metal particles of one or mixture of more than one from the above-mentioned gold, platinum, silver, germanium, selenium, zinc, copper and tungsten are mixed into raw fabrics of viscose rayon, polyester, polyethylene, polypropylene and cotton.
  • the mixing rate of the nano metal particles can be lower than the second embodiment considering that it is dipped into tissue manufacturing water which already have antimicrobial and anti-fungus function.
  • the table 3 in the below shows the mixing ratio of the nano metal particles mixed into above-mentioned fabrics considering the fact that the non-woven fabrics are mixed into antimicrobial and anti-fungus fabric materials contained nano metal particles.
  • the size of nano particles of platinum (refer to FIG. 1 ) in the second embodiment of this invention to provide antimicrobial and anti-fungus functions to tissue fabric is 1-50 nm and its final concentration is 0.00005 ⁇ 0.001 wt % (0.5 ⁇ 10 ppm) to the weight of fabrics.
  • the nano particle size of the above-mentioned gold (refer to TEM of FIG. 2 ) is 1-30 nm and its final concentration is 0.00005 ⁇ 0.001 wt % (0.5 ⁇ 10 ppm) to the weight of fabrics.
  • the nano particle size of the above-mentioned silver (refer to TEM of FIG. 3 ) is 1-20 nm and its final concentration is 0.0005 ⁇ 0.01 wt % (5 ⁇ 100 ppm) to the weight of fabrics.
  • the nano particle size of the above-mentioned copper (refer to TEM of FIG. 4 ) is 1-50 nm and its final concentration is 0.001 ⁇ 0.01 wt % ( 10 ⁇ 100 ppm) to the weight of fabrics.
  • the nano particle size of the above-mentioned zinc (refer to TEM of FIG. 5 ) is 1-50 nm and its final concentration is 0.003 ⁇ 0.03 wt % (30 ⁇ 300 ppm) to the weight of fabrics.
  • the nano particle size of the above-mentioned organic germanium (refer to TEM of FIG. 6 ) is 1-50 nm and its final concentration is 0.0001 ⁇ 0.005 wt % (1 ⁇ 50 ppm) to the weight of fabrics.
  • the nano particle size of the above-mentioned selenium (refer to TEM of FIG. 7 ) is 1-50 nm and its final concentration is 0.0001 ⁇ 0.005 wt % (1 ⁇ 50 ppm) to the weight of fabrics.
  • the nano particle size of the above-mentioned tungsten (refer to TEM of FIG. 8 ) is 1-50 nm and its final concentration is 0.001 ⁇ 0.01 wt % (10 ⁇ 100 ppm) to the weight of fabrics.
  • the nano metal particles of platinum, gold and silver are not used.
  • the silver particles of 0.0005 ⁇ 0.002wt % (5 ⁇ 20 ppm) concentration to the weight of fabrics are used considering the fact of using antimicrobial tissue water together.
  • viscose rayon is manufactured by adding one or more than one of nano metal particles of the above-mentioned germanium, selenium, zinc and copper to its fabric materials before spin in the adding process of raw materials to extruder.
  • the nano metal particles are mixed in the forming step of viscose, because it increases the dispersibility of nano particles of the final rayon fiber [(C 6 H 10 O 5 )n].
  • the method of dipping the cotton materials into nano particles contained water or the method of spinning with mixed nano particles.
  • the antimicrobial and anti-fungus materials of ⁇ circle around (1) ⁇ viscose rayon, ⁇ circle around (2) ⁇ polyester, ⁇ circle around (3) ⁇ polyethylene, ⁇ circle around (4) ⁇ polypropylene, ⁇ circle around (5) ⁇ Cotton and ⁇ circle around (6) ⁇ Pulp through treatment of nano metal particles selectively are used independently or as combined. For example, it can be used to manufacture fabrics for antimicrobial and anti-fungus products specially non-woven fabrics including wet tissues.
  • tissue manufacturing water to achieve antimicrobial and anti-fungus functions as shown in the table 3 of the third embodiment of this invention, platinum, gold, silver, zinc, germanium and selenium is mixed independently or more than one of those selected material with the ratio shown in table 4.
  • relatively lower mixing ratio is applied than above 1st example considering that it is used as mixtures with antimicrobial an anti-fungus fabrics.
  • the size of nano platinum particles mixed into the above-mentioned tissue manufacturing water to have additional antimicrobial and anti-fungus to antimicrobial and anti-fungus tissue fabrics shown in the table 3 is 1-50 nm and the final concentration is 0.00001 ⁇ 0.0003 wt % (0.1 ⁇ 3 ppm) to the weight of tissue manufacturing water.
  • the size of nano gold particles mixed into the tissue manufacturing water is 1-30 nm and its final concentration is 0.00001 ⁇ 0.0005 wt % (0.1 ⁇ 5 ppm) to the weight of tissue manufacturing water.
  • the size of nano silver particles mixed into the tissue manufacturing water is 1-20 nm and its final concentration is 0.00001 ⁇ 0.0001 wt % (0.1 ⁇ 10 ppm) to the weight of tissue manufacturing water.
  • the size of nano zinc particles mixed into the tissue manufacturing water is 1-50 nm and its final concentration is 0.0001 ⁇ 0.005 wt % (1 ⁇ 50 ppm) to the weight of tissue manufacturing water.
  • the size of nano germanium particles mixed into the tissue manufacturing water is 1-50 nm and its final concentration is 0.0001 ⁇ 0.005 wt % (1 ⁇ 50 ppm) to the weight of tissue manufacturing water.
  • the size of nano selenium particles mixed into the tissue manufacturing water is 1-50 nm and its final concentration is 0.0001 ⁇ 0.005 wt % (1 ⁇ 50 ppm) to the weight of tissue manufacturing water.
  • the final concentration of the nano metal particles which make more than one nano metal particles of each of the above-mentioned platinum, gold, silver, germanium, selenium and zinc dip into the tissue manufacturing water of the third embodiment 3 which already have bit of antimicrobial and anti-fungus functions shall not exceed 0.005 wt % (50 ppm) to the weight of tissue manufacturing water.
  • the result of the below table 7 was obtained by applying 0.5 gr. of bacteria liquid of Aspergillus Niger ATCC 6275 as bacteria samples at 25 ⁇ 1° C. for 24 hours.
  • the reduction rate(%) is from the formula of ‘[(Ma-Mc)/Mb] ⁇ 100’
  • Ma is average numbers of fungus of control sample at the beginning
  • Mb is average numbers of fungus of control sample after cultivation for 24 hours
  • Mc is the average numbers of fungus of tested samples after cultivation for 24 hours.
  • the second embodiment shows that it is possible to get antimicrobial and anti-fungus function by melt-spinning one or mixture of more than one of nano metal particles (of gold, platinum, silver, germanium, selenium, zinc, copper and tungsten) into fabrics (of viscose rayon, polyester, polyethylene, polypropylene, cotton and pulp) to manufacture antimicrobial and anti-fungus non-woven fabrics, this invention is not limited to only this embodiment.
  • nano metal particles of gold, platinum, silver, germanium, selenium, zinc, copper and tungsten
  • fabrics of viscose rayon, polyester, polyethylene, polypropylene, cotton and pulp
  • the non-woven fabrics have antimicrobial and anti-fungus function by mixing additives such as adhesive agent to one or mixture of nano metal particles (of gold, platinum, silver, germanium, selenium, zinc, copper and tungsten) in the manufacturing process of fabrics (of viscose rayon, polyester, polyethylene, polypropylene, cotton and pulp).
  • additives such as adhesive agent to one or mixture of nano metal particles (of gold, platinum, silver, germanium, selenium, zinc, copper and tungsten) in the manufacturing process of fabrics (of viscose rayon, polyester, polyethylene, polypropylene, cotton and pulp).
  • Chemical-bonding non-woven fabrics made of viscose rayon and polyester or mixture of viscose rayon and polyester can have antimicrobial and anti-fungus function by dipping or spray method with one or mixtures of more than one of above nano metal particles (of gold, platinum, silver, germanium, selenium, zinc, copper and tungsten) mixed with adhesives (water base adhesives, non-water base adhesives, soft type and hard type) used to form the web.
  • nano metal particles of gold, platinum, silver, germanium, selenium, zinc, copper and tungsten
  • adhesives water base adhesives, non-water base adhesives, soft type and hard type
  • thermal-bonding non-woven fabrics of polypropylene, blended yarn (PET-PE, PP-PE, PET-PP), viscose rayon(hopefully polypropylene or mixture of blended yarn) and polyester can get antimicrobial and anti-fungus function by forming the web through combination of fabric structures by mixing one or mixture of more than of above listed one nano metal particles selected from gold, platinum, silver, germanium, selenium, zinc, copper and tungsten to above fabrics of which fabric materials are attached by heat or melted to the surface.
  • span-bond non-woven fabrics can be manufactured to have antimicrobial and anti-fungus function by using polyester, polypropylene or nylon chips and mix one or mixture of more than one of selected nano metal particles from above listed gold, platinum, silver, germanium, selenium, zinc, copper and tungsten in the manufacturing process of melting and spraying, and form the web.
  • air ray non-woven fabrics which are manufactured with compressed air and adhesives to raw materials of fabric can have antimicrobial and anti-fungus function by adding one or mixture of more than one of selected nano metal particles from the above-mentioned gold, platinum, silver, germanium, selenium, zinc, copper and tungsten to above mentioned adhesives.
  • Spun Lace can have antimicrobial and anti-fungus function by adding one or mixture of more than one of selected nano metal particles from the above-mentioned gold, platinum, silver, germanium, selenium, zinc, copper and tungsten to the water to spray to form the web after mixing one or mixture of more than one of viscose rayon, polyester and polypropylene.
  • Melt-blown non-woven fabrics can have antimicrobial and anti-fungus function by mixing one or mixture of more than one of selected nano metal particles from the above-mentioned gold, platinum, silver, germanium, selenium, zinc, copper and tungsten to above melting fabric web in the manufacturing process of homogeneous melting fabric web from spinning synthetic polymer and formed micro fiber by high pressure and hot wind.

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US11547722B2 (en) 2017-05-12 2023-01-10 Jean-Jacques Walter Bactericides and antifungal agents
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CN107471792A (zh) * 2017-09-20 2017-12-15 张继磊 一种擦拭巾及其折叠方法
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US11646453B2 (en) 2017-11-28 2023-05-09 Attostat, Inc. Nanoparticle compositions and methods for enhancing lead-acid batteries
FR3069154A1 (fr) * 2018-07-18 2019-01-25 Jean-Jacques Walter Nouveaux bactericides et antifongiques
FR3085105A1 (fr) 2018-08-22 2020-02-28 Commissariat A L'energie Atomique Et Aux Energies Alternatives Nouvel agent antimicrobien a base de materiau polymerique particulaire poreux dope
CN111205563A (zh) * 2020-03-20 2020-05-29 江苏德威新材料股份有限公司 一种熔喷级聚丙烯及其制备方法和应用
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CN101960070A (zh) 2011-01-26
JP5179576B2 (ja) 2013-04-10
KR100887768B1 (ko) 2009-04-17
KR20080108714A (ko) 2008-12-16
WO2008153239A1 (en) 2008-12-18

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