KR102163253B1 - Fiber molded products with semi-permanent antibacterial and deodorizing properties - Google Patents

Abstract

The present invention relates to a fiber molded product having semi-permanent antibacterial and deodorizing properties because of a raw material having antibacterial and deodorizing properties itself. The fiber molded product is made of fiber having the antibacterial and deodorizing properties.

Description

Fiber molded products with semi-permanent antibacterial and deodorizing properties {FIBER MOLDED PRODUCTS WITH SEMI-PERMANENT ANTIBACTERIAL AND DEODORIZING PROPERTIES}

The present invention relates to a fiber molded article capable of semi-permanently exhibiting antibacterial and deodorizing ability because the raw material itself has antibacterial and antifungal properties (antibacterial properties), and a manufacturing method thereof.

Due to recent changes in life styles, denser living environments and advanced air-tightness, various bacteria and fungi are spreading more in people's living spaces.

In particular, as the environment of high temperature and humidity increases due to global warming, etc., bacteria and fungi can easily proliferate on the surface of fabrics such as absorbent articles, other hygiene products, and clothing, and this phenomenon is caused by skin diseases or odor accompanying the growth of microorganisms. Can cause.

Therefore, various attempts have been made to fundamentally solve the above problems by inhibiting the growth of microorganisms by imparting antimicrobial properties to fibers.

Typically, a method of adding inorganic antimicrobial agents such as silver and zinc and deodorant to fibers is widely used, and for example, antimicrobial agents made of inorganic compounds containing copper, zinc, tin and/or silver in US Patent No. 6,841,244 Disclosed is an antimicrobial synthetic fiber comprising a. In addition, Japanese Laid-Open Application No. 2000-303250 proposes fibers to which catechins contained in tea leaf extracts and the like are added, and Japanese Laid-Open Application No. 2003-253559 proposes fibers to which rosemary essential oil or the like is added.

However, the above method has a limitation in that it often requires a lot of cost, and that the antibacterial property is often weakened due to frequent washing or friction.

US Patent No. 6,841,244 Japanese Patent Publication No. 2000-303250 Japanese Patent Publication No. 2003-253559

It is an object of the present invention to provide a composition exhibiting semi-permanently lasting antibacterial and antimicrobial activity.

Another object of the present invention is to provide a new fiber that does not wear out or wash off during use and contains an antimicrobial material permanently, and a master batch for producing the same, and a method for producing the same, by including the composition.

Another object of the present invention is to provide a compound application, including coatings, inks, and dyes, comprising the above composition and allowing antibacterial and anti-fogging properties to last for a long period of time.

One aspect of the present invention for achieving the above object, diidomethyl-p-tolyl sulfone (Diiodomethyl p-tolyl sulfone) 1 to 60 parts by weight, 2,4,5,6-tetrachlorisophthalonitrile ( 2,4,5,6-tetrachloro isophthalonitrile) 1 to 60 parts by weight and 2-(thiocyanato methylthio) benzothiazole (2-(thiocyanato methylthio) benzothiazole) 1 to 60 parts by weight of one or more selected from the group consisting of It provides a composition for antibacterial and antifungal, comprising a mixture.

Specifically, the composition is diidomethyl p-tolyl sulfone (Diiodomethyl p-tolyl sulfone), 2,4,5,6-tetrachloroisophthalonitrile (2,4,5,6-tetrachloro isophthalonitrile) and 2- (Thiocyanato methylthio) benzothiazole (2- (thiocyanato methylthio) benzothiazole) may be mixed in a ratio of 1: 0.5 to 1.5: 0.2 to 1.0 based on parts by weight, but the features of the present invention are limited thereto. It is not.

In addition, specifically, the composition includes an inorganic anti-fog agent prepared by substitution of at least one selected from the group consisting of zeolite, calcium phosphate, zirconium phosphate, and silica gel and at least one metal ion selected from the group consisting of silver, zinc, and copper; And myrrh (Commiphora myrrha Holmes), a directed tree (Boswellia Carterii), honeysuckle (Lonicera japonica), octagonal (八角, Illicium verum Hook. F .) And bongchul (蓬朮, Curcuma zedoaria) extracts the selected raw least one from the group consisting of It may be prepared by further including a natural product-based anti-mold agent including, but is not limited thereto.

More specifically, the inorganic flame retardant composition is prepared by substituting silver ions on zirconium phosphate, and the natural flame retardant is Myrrh ( Commiphora myrrha Holmes ), Frankincense ( Boswellia Carterii ), Gold and Silver ( Lonicera japonica ), Octagonal (八角, Illicium verum Hook. f. ) and bongchul (蓬朮, Curcuma zedoaria ) can be prepared by extracting hot water at 90° C. for 3 to 4 hours using 60 to 70% ethanol and then concentrating under reduced pressure. Specifically, myrrh ( Commiphora myrrha Holmes ) 30 parts by weight, Frankincense ( Boswellia Carterii ) 20 parts by weight, gold and silver ( Lonicera japonica ) 15 parts by weight, octagonal (八角, Illicium verum Hook. f. ) 10 parts by weight and bongchul (蓬)朮, Curcuma zedoaria ) 15 parts by weight of the mixture and hot water extraction at 90° C. for 3 to 4 hours using 60 to 70% ethanol, and then concentrated under reduced pressure, but is not limited thereto.

Organic antibacterial agents are mainly added to products that require antibacterial activity in a short time. Organic antimicrobial agents temporarily have higher antimicrobial activity than inorganic antibacterial agents, but have a disadvantage of very short antibacterial activity persistence. In addition, since the acute toxicity is high along with the fear of generating resistant bacteria, problems have been pointed out in human safety, and the area of use of organic antimicrobial agents has been reduced.

On the other hand, inorganic antibacterial agents are mainly made by substituting silver, zinc, copper, etc., which are metal ions that have antibacterial action on inorganic substances such as zeolite, calcium phosphate, zirconium phosphate, silica gel, etc. It is being used in Inorganic antimicrobial agents have a lower temporary antimicrobial activity than organic antimicrobials, but have higher human safety, no resistant bacteria, and almost semi-permanent antibacterial duration, so their use area is expanding.

The inorganic antimicrobial agents are mainly zeolite-based, calcium phosphate-based, and zirconium phosphate-based types of which are commercially available, and among them, zeolite-based inorganic antibacterial agents have the highest market share.

Calcium phosphate-based inorganic antimicrobial agents have a disadvantage that their antibacterial activity is lower than that of zeolites because the concentration of substituted metal ions is lower than that of zeolite-based inorganic antibacterial agents, and zirconium phosphate-based inorganic antibacterial agents also have low antibacterial activity, high cost, and It has a disadvantage of high hardness.

In contrast, zeolite-based inorganic antibacterial agents do not have discoloration problems compared to other antibacterial agents, have high antibacterial activity, and have various advantages such as low particle hardness, and are excellent in application methods and safety issues because they are currently the most widely applied antibacterial agents. It is an antibacterial agent.

The antibacterial and antibacterial composition provided by the present invention overcomes the limitations of the above-described organic and inorganic antibacterial agents, despite the use of organic and zirconium-based inorganic antimicrobial agents, so that it persists semi-permanently and has an excellent anti-fungal effect. It is characterized by showing.

In the present invention, the natural product-based anti-mold composition may be prepared including one or more extracts of the natural products, and specifically, the extract may be extracted with water, C ₁ to C ₄ lower alcohol, or a mixed solvent thereof I can. More specifically, it may be extracted using 60 to 70% ethanol, but is not limited thereto.

Specifically, in the extraction process of the extract, one or more methods selected from the group consisting of cold needle, warm needle, heating, reflux, and ultrasonic extraction may be used alone or in combination, and are not limited thereto, and may be appropriately changed and applied as necessary. I can.

In addition, the extract may be concentrated or the solvent may be removed by performing an extraction or fractionation process, followed by a vacuum filtration process or further concentration and/or lyophilization, and specifically, a process of concentrating under reduced pressure after extraction. The extract may be obtained through the process, but is not limited thereto and may be appropriately changed and applied.

Another aspect of the present invention is (a) 1 to 60 parts by weight of diidomethyl-p-tolylsulfone, 1 to 60 parts by weight of 2,4,5,6-tetrachlorisophthalonitrile, and 2-(thiocyanato methyl Thio) preparing an organic flame retardant comprising 1 to 60 parts by weight of benzothiazole; (b) preparing an inorganic flame retardant by substituting silver ions in zirconium phosphate; And (c) myrrh ( Commiphora myrrha Holmes ), frankincense tree ( Boswellia Carterii ), gold and silver flower ( Lonicera japonica ), octagonal (八角, Illicium verum Hook. f. ) and bongchul (蓬朮, Curcuma zedoaria ), and mixing 60 to 60 It provides a method for preparing a composition for antibacterial and antifungal comprising; preparing a natural product-based anti-mold agent by extracting hot water at 90° C. for 3 to 4 hours using 70% ethanol and then concentrating under reduced pressure.

The antibacterial and antimicrobial composition of the present invention may further include a crosslinking agent in the process of manufacturing the masterbatch.

Crosslinking agents suitable for use in the present invention include any known crosslinking material provided that the physical and chemical stability of the antimicrobial and antifogging composition is not substantially affected by the inclusion of the crosslinking material. In some aspects of these embodiments, the antimicrobial and antifogging composition comprises allyl methacrylate (ALMA); Divinylbenzene (DVB); Ethylene glycol diacrylate (EGDA); Ethylene glycol dimethacrylate (EGDMA); 1,3-butanediol dimethacrylate (BGDMA); Diethylene glycol dimethacrylate (DEGDMA); Tripropylene glycol diacrylate (TRPGDA); Trimethylolpropane trimethacrylate (TMPTMA); Trimethylolpropane triacrylate (TMPTA) and a polymer containing a polyfunctional (meth)acrylate crosslinking material selected from combinations thereof, but are not limited thereto.

In one embodiment of the present invention, the average particle size of the antibacterial composition is ≤ 200 nm; Or ≤ 150 nm; Or ≤ 100 nm; Or ≤ 75 nm; Or ≤ 50 nm; Or ≤ 25 nm; Or ≤ 20 nm; Or ≤ 15 nm; Or ≤ 10 nm; Alternatively 1 to 10 nm; Alternatively 1 to 8 nm; Or ≤ 5 nm.

In addition, in one embodiment of the present invention, the antibacterial composition has a number average molecular weight ≤ 500,000; Or ≤ 100,000; Or ≤ 50,000; Or ≤ 10,000; Alternatively 1,000 to 10,000; Alternatively 5,000 to 10,000; Or 500 to 5,000.

In Preparation Example 2 of the present invention, a master batch including an antibacterial and anti-fog composition was prepared, and by using this, a filament exhibiting anti-bacterial and anti-fogging properties can be extruded, and fibers can be produced using the filaments. .

The fibers and multi-component fibers of the present invention can be used in a wide variety of fabrics and textile products.

In one embodiment of the present invention, it is provided that the fabric comprises the fibers or multicomponent fibers of the present invention. The fabric may optionally further comprise at least one additional fiber, wherein the at least one additional fiber initially contains no antimicrobial and anti-fog composition or filaments obtained therefrom.

In one embodiment of the present invention, the fibers or multicomponent fibers of the present invention may be blended with at least one additional fiber.

The one additional fiber includes, for example, natural fibers, synthetic fibers, inorganic fibers, combinations and blends thereof. The fibers may be of any denier; May be multi- or mono-filament; May be false twisted or twisted; It is possible to incorporate multiple denier filaments into single twisted yarns through twisting and/or melting; For example, it can be a multicomponent fiber that exhibits any type of cross-section including a sheath/core shape, a parallel shape, a pie wedge shape, a segmented ribbon shape, a segmented cross shape, a tip trilobite shape, and a conjugate shape.

Natural fibers suitable for use in the present invention may include, for example, silk, cotton, wool, flax, fur, hair, cellulose, ephedra, hemp, linen, wood pulp and combinations thereof.

Synthetic fibers suitable for use in the present invention include, for example, polyolefins such as polyethylene, polypropylene and polybutylene; Halogenated polymers such as polyvinyl chloride; Poly -p- phenylene phthalamide TB (e.g., DuPont (DuPont), Kevlar ^® fibers are commercially available from, Inc.), poly -m- phenylene TB phthalamide (Nomex is available from, for example, DuPont captured ^® fiber) Polyaramids such as; Melamine and melamine derivatives (e.g., Basofil ^® fiber available from Basofil Fibers, LLC); Polyesters such as polyethylene terephthalate and polyester/polyether; Polyamides such as nylon 6 and nylon 6,6; Polyurethanes, such as Tecophilic aliphatic thermoplastic polyurethanes ^® commercially available from Noveon; Acetates; Rayon acrylics; And it may be derived from a material comprising a combination thereof.

Inorganic fibers suitable for use in the present invention may include, for example, glass fibers, boron fibers and rock wool.

In one embodiment of the present invention, the fabric contains 100% by weight of the fibers or multi-component fibers of the present invention; Or ≤ 75% by weight; Or ≤ 50% by weight; Or ≤ 40% by weight; Or ≤ 30% by weight; Or ≤ 20% by weight; Or ≤ 10% by weight; Or ≤ 5% by weight. In some aspects of these embodiments, the at least one additional fiber may include cotton, wool, polyester, acrylic, nylon, silk, and combinations and blends thereof.

In some embodiments of the present invention, it is provided that the textile product comprises the fabric of the present invention. In some aspects of these embodiments, the textile product is clothing, apparel feel, upholstery, carpet, padding, lining, wallpaper, roofing product, house wrap, insulation, bedding, wipes ( wiping cloth, towels, gloves, rugs, floor mats, draperies, table napery, bar runners, textile bags, awnings, vehicle covers, boat covers, tents , Agricultural covers, geotextiles, car headliners, filters, envelopes, tags, labels, diapers, feminine hygiene products (e.g. sanitary napkins, tampons), laundry aids (e.g., Fiber dryer-sheets), wound care professional medical products (wound care products) and medical professional medical products (e.g., sterile wraps, caps, gowns, masks, drape). .

In some embodiments of the present invention, it is provided that the filter media comprise the multicomponent fibers of the present invention. In some aspects of these embodiments, the multicomponent fiber exhibits a cross section selected from a pie wedge shape, a hollow pie wedge shape, and a sea island shape. In some aspects of these embodiments, filter media may be used for air filtration. In some aspects of these embodiments, filter media may be used for water filtration.

The fibers and multicomponent fibers of the present invention can be produced using known fiber forming techniques suitable for use together. Some examples of the most common fiber forming techniques include extrusion, melt-blowing, wet spinning and dry spinning. In each of these methods, the fiber raw material is softened to a flowable state and forced through a die and/or spinning process to form a basic fiber, which is then typically mechanically manipulated to produce the desired fiber product or multicomponent fiber. Can form products. For example, the basic fiber may be stretched. In a typical extrusion operation, the component polymer composition is first melted and then forced through a die and/or spinneret to form the basic fibers, and then mechanically manipulated prior to cooling to the desired fibrous product of the multicomponent fibers. Can be formed. In a typical melt blowing operation, the component polymer composition containing the thermoplastic is first melted and then blown through a die and/or spinneret to form the base fibers, and then cooled to provide a fibrous article. In a typical wet spinning operation, a solution of the component polymer composition(s) and solvent is forcibly injected through a die and/or spinneret to form the base fibers, followed by a coagulation bath (e.g., sodium sulfate solution in water). ) Can also be passed to provide a textile product. In a typical dry spinning operation, a solution of the component polymer composition(s) and solvent is forcibly introduced into the air through a die and/or spinneret to form solid fibers. Fibers formed by these methods may or may not be recovered on the surface of a belt or the like to form a nonwoven web, or otherwise controlled chemically to change or improve their physical or chemical properties. Alternatively, mechanical treatment may be performed.

As a fiber molded article using the antibacterial and anti-fogging fibers of the present invention, a net, a web, a knitted fabric, a nonwoven fabric, etc. may be mentioned, and in particular, a nonwoven fabric may be used. As a method of processing the nonwoven fabric, a known method such as a thermal bonding method (through-air method, point bonding method), air-laid method, needle punch method, and water jet method can be used. After making short fibers into a web with a carding machine, etc., not only make the web into a nonwoven fabric by the nonwoven fabric processing method, but also directly manufacture the web by the melt blow method or spunbond method, and then use the nonwoven fabric processing method. Can be made of non-woven fabric. In addition, fibers mixed with a method such as cotton blend, spin blend, fiber blend, twisted union, twisted stitch, twisted fiber, etc. You can also do it in the form of a gun. On the other hand, the fiber molded article obtained by the present invention may be used as a single body, or may be used in a state of being laminated or integrated with molded articles such as other nonwoven fabrics, knitted fabrics, mesh-like articles, and films.

Examples of the fiber products using the antibacterial and anti-fogging fibers of the present invention include absorbent articles such as diapers, napkins, and incontinence pads; Medical hygiene products such as gowns and scrubs; Interior materials such as wall paper, Japanese sliding doors, and flooring; Life-related materials such as a cover cloth and a food waste container cover; Toilet-related products such as disposable toilet supplies and toilet seat covers; Pet products such as pet sheets, pet diapers, and pet towels; General medical supplies; Bedding material; Filter material; It can be used in various ways in textile products requiring various hydrophilicity and water permeability, such as nursing care products.

Since the composition of the present invention destroys only the cell walls of bacteria and fungi, it is possible to prevent the occurrence of resistant bacteria or the reproduction of other bacteria, and is characterized by having antibacterial and antifungal properties (antibacterial properties) semi-permanently while being harmless to the human body. .

In addition, the composition of the present invention discloses a fiber that exhibits semi-permanent antibacterial and anti-fogging properties as it is resistant to being worn away or washed away during use, and the antibacterial material contained in the fiber does not develop resistance to bacteria. To do.

The effects of the present invention are not limited to the above effects, and should be understood to include all effects that can be deduced from the configuration of the invention described in the detailed description or claims of the present invention.

Advantages and features of the present invention, and a method of achieving them will become apparent with reference to embodiments described below. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various forms different from each other, and only these embodiments make the disclosure of the present invention complete, and common knowledge in the art to which the present invention pertains. It is provided to completely inform the scope of the invention to those who have it, and the invention is only defined by the scope of the claims.

Thus, in some embodiments, well-known process steps, well-known structures and well-known techniques have not been described in detail in order to avoid obscuring interpretation of the present invention.

The terms used in the present specification are for describing exemplary embodiments and are not intended to limit the present invention. In this specification, the singular form also includes the plural form unless specifically stated in the phrase. Comprises and/or comprising, as used in the specification, refers to the presence or addition of one or more other components, steps, actions, and/or elements other than the stated elements, steps, actions and/or elements. It is used in a sense not to exclude. And, “and/or” includes each and every combination of one or more of the recited items.

Preparation Example 1. Preparation of antibacterial and anti-fog composition

The antibacterial and anti-fogging composition of the present invention may be prepared using at least one material selected from inorganic, organic, metal, ammonium salt, guanidine, copper compound, sustained-release polymer, and natural product, specifically organic, It may be prepared including one or more materials selected from natural and inorganic compositions.

In the present invention, the anti-fogging composition refers to a compound that prevents the propagation of fungi, which are fungi, and there are organic nitrogen-sulfur-based compounds, boron-based compounds, and the like. In addition, synthetic flame retardants include imidazole compounds, phthalimide compounds, sulfamide compounds, nitrile compounds, benzothiazole compounds, thiocyanate compounds, orthophenylphenol (OPP) compounds, and phenylpyrrole compounds. Compounds, anilinopyrimidine-based, methoxyacrylate-based and halogenated phenolic compounds, and the like are present.

In other words, depending on the properties of the antibacterial substance, there are cases that exhibit anti-flammability, and there are cases that do not, but the composition exhibiting anti-fogging properties naturally contains antimicrobial properties, which is a higher concept. When referred to as such, it should of course be understood to include the antibacterial effect of the substance.

In an exemplary embodiment of the present invention, diidomethyl p-tolyl sulfone, 2,4,5,6-tetrachloroisophthalonitrile (2,4,5,6-tetrachloro isophthalonitrile) as an organic anti-fogging compound ) And 2-(thiocyanato methylthio)benzothiazole), but is not limited thereto, and any of the above-described anti-microbial compositions may be appropriately changed and applied.

Each of the above three compounds functions as an antibacterial and antibacterial agent, and by mixing these three types of compounds, antibacterial and antibacterial properties can be remarkably increased due to a mutual synergistic effect.

Specifically, the mixture is diidomethyl-p-tolylsulfone 1 to 60 parts by weight, 2,4,5,6-tetrachlorisophthalonitrile 1 to 60 parts by weight, and 2-(thiocyanato methylthio)benzo, respectively. It may be prepared including 1 to 60 parts by weight of thiazole, and the mixing ratio thereof may be 1: 0.5 to 1.5: 0.2 to 1.0 based on parts by weight, and more specifically 1: 0.8: 0.3. It may be one.

On the other hand, as the inorganic flame retardant, one prepared by substituting silver, zinc, copper, etc., which are metal ions that have an antibacterial effect on inorganic substances such as zeolite, calcium phosphate, zirconium phosphate, silica gel, etc., can be used. Although the one prepared by substituting ions was used, it is not limited thereto.

As a natural antibacterial and antibacterial agent, it is a natural product that has an antibacterial effect. Myrrh ( Commiphora myrrha Holmes ), Frankincense ( Boswellia Carterii ), Lonicera japonica ( Lonicera japonica ), Octagon (八角, Illicium verum Hook. , Curcuma zedoaria ) extract can be used, specifically, myrrh ( Commiphora myrrha Holmes ) 30 parts by weight, frankincense tree ( Boswellia Carterii ) 20 parts by weight, gold and silver flower ( Lonicera japonica ) 15 parts by weight, octagon (八角, Illicium verum Hook f. ) 10 parts by weight and 15 parts by weight of Bongchul (蓬朮, Curcuma zedoaria ) are mixed, and hot water extracted for 3 to 4 hours at 90°C using 60 to 70% ethanol, and then concentrated under reduced pressure can be used. , Is not limited thereto.

Preparation Example 2. Preparation of master batch containing antibacterial and anti-fog composition

Several mixtures and several master batches were prepared by varying the content of the antimicrobial and anti-fogging composition prepared in Preparation Example 1.

In preparing the masterbatch, each content was composed of 3 to 10% by weight of the antibacterial and anti-fog composition, and 90 to 97% by weight of the thermoplastic resin.

The thermoplastic plastic resin may be one or more selected from the group consisting of polylactic acid, acrylonitrile butadiene styrene, polypropylene, polyethylene, high density polystyrene, ethylene vinyl acetate, thermoplastic polyolefin, rubber, and nylon.

The polylactic acid (PLA) is a 100% renewable resource such as corn and potato starch, and does not cause environmental pollution when disposed of because it exhibits excellent biodegradability, and the extrusion processing temperature is 180-220. .

The acrylonitrile butadiene styrene (ABS, Acrylonitrile Butadiene Styrene) is a universally used thermoplastic polymer, and the extrusion processing temperature is 215 to 250.

The polypropylene (PP, Polypropylene) has good heat resistance and good abrasion resistance. It is the lightest among plastics and features good processability, and the extrusion processing temperature is 160~180.

The polyethylene (PE, Polyethylene) is rich in color and bright, has good flexibility at cryogenic temperatures, well withstands high temperatures, has excellent thermal insulation properties, and has good chemical resistance. It produces almost no smoke during combustion and has the advantage of being non-toxic and odorless, but it has a disadvantage that it is difficult to paint or post-process because adhesion is very difficult or impossible.

The high impact polystyrene (HIPS) has excellent impact resistance.

Ethylene Vinyl Acetate (EVA) is uniformly equipped with flexibility, impact resistance, texture, insulation, and heat retention, and various types of EVA can be produced by different foaming, and miscellaneous goods such as children's toys and supplies, clothes and bags. And widely used for packaging.

The nylon (NYLON) has excellent mechanical and chemical properties, good abrasion resistance and strong, light, cold resistance and excellent moldability, and the extrusion processing temperature is 210 to 250.

First, Examples 1 to 5 were prepared by varying the content of the composition as shown in Table 1 below in order to confirm the antibacterial and antimicrobial properties according to the ratio of the composition prepared in Preparation Example 1.

division Organic flame retardant
(Part by weight) Inorganic flame retardant
(Part by weight) Natural anti-fog agent
(Part by weight) Example 1 100 0 0 Example 2 70 15 15 Example 3 50 0 50 Example 4 50 50 0 Example 5 50 25 25

In addition, a master batch containing the antibacterial and anti-fogging composition and the thermoplastic plastic was prepared while varying the content as follows (Table 2). In this case, polyethylene (PE) was used as the thermoplastic plastic.

division Antibacterial and anti-fog composition
(Organic: Weapon: Natural = 70:15:15) Thermoplastic plastic
(Polyethylene) Example 6 1% by weight 99% by weight Example 7 5% by weight 95% by weight Example 8 10% by weight 90% by weight Example 9 15% by weight 85% by weight Example 10 20% by weight 80% by weight

In Preparation Example 2, a mixture of antibacterial and anti-fogging compositions was extruded through an extrusion device to prepare a functional masterbatch. During extrusion, the temperature of the screw may vary depending on the plastic raw material. For example, the general thermoplastic plastic resin PLA extrusion conditions are classified into three parts: melt temperature 210℃, feed temperature 45℃, and inside the screw. Supply 180℃, compression part 190℃, metering part 200℃, adapter 200℃, Die 190 ℃, screw speed 20 ~ 100rpm. Extrusion conditions in the present invention were applied to a feed temperature of 34 ℃, feed part 228 ℃, compression part 225 ℃, metering part 225 ℃, die 156 ℃.

Experimental Example 1. Evaluation of antibacterial and antifungal activity effects

In order to confirm the effect of the antimicrobial and antimicrobial composition prepared in Preparation Example 1 of the present invention, the antimicrobial test was performed on Salmonella by the disk　 diffusion method (Disk　diffusion　assay) proposed by The American Society for Microbiology. I did.

Each sample was dissolved in DMSO at a concentration of 10mg/ml 　, and then the DMSO concentration was not higher than 2.5%, so that 100 ug was used. It was used after incubating at 37℃ for 2 hours and confirming that there was no contamination.

Salmonella in log phase growth　The strain suspension (OD ₆₀₀ = 0.1 or 0.5 McFarland standard turbidity measurement; 1.5 X 10 ⁸ CFU/ml) was plated on the medium using a sterilized cotton swab, and each compound was each sterilized 8 mm diameter paper disk (paper disk; Advantec, Japan) was added to 10 ul at a concentration of 10 mg/ml and applied to the plated medium in a dried state. Salmonella　After smearing the strain suspension, it was incubated at 37° C. for 24 hours in an anaerobic environment, and then the diameter of the antibacterial active zone was measured using reflected light, and the results are shown in Table 3 below.

division Example 1 Example 2 Example 3 Example 4 Example 5 Inhibition ring (mm) 32.3±2.48 31.2±2.52 25.2±0.95 25.2±2.14 25.1±2.11

As shown in Table 3, 　 the most effective in Examples 1 and 2 in which 70 parts by weight or more of the organic anti-foaming agent were included, and inorganic and natural anti-foaming agents had a significant effect on the antibacterial effect when compared to the effect of the organic-based anti-foaming agent. On the other hand, for the evaluation of anti-fungal activity, the method of ASTM G 21:1, which applies 5 types of plastic-corrosive mold to a product in the form of a sheet film material, and measures the resistance to mold fungi, is applied mutatis mutandis. And it was confirmed the anti-fogging properties of the present invention under accelerated conditions in which the humidity was increased.

Specifically, the composition of Examples 1 to 5 was sprayed 5 times the same number of times on the wallpaper under conditions of a temperature of 34°C and a relative humidity of 80%, and after 5 hours, it was confirmed that the coating film was completely dried. The fungus was observed while culturing. As a result of cultivation, it was confirmed that remarkable anti-fouling properties were exhibited in all examples, and in particular, slightly better effects were exhibited in Examples 2 and 5.

Experimental Example 2. Preparation and effect evaluation of antibacterial and anti-fogging filaments

Using the master batch prepared in Examples 6 to 10, a filament exhibiting antibacterial and antimicrobial properties was prepared, and its antimicrobial and antimicrobial properties were confirmed.

Specifically, in order to unify the experimental conditions, 5% by weight of the master batch prepared in Examples 6 to 10 and 95% by weight of the same thermoplastic plastic as entered in the manufacturing process of the master batch were mixed, and then extruded through an extrusion device. Antibacterial plastic filaments were prepared.

At this time, in the process of mixing the master batch and the thermoplastic plastic for the extrusion process, a plasticizer, an antioxidant, a heat stabilizer, a UV stabilizer, a flame retardant, a lubricant, an antistatic agent, a foaming agent, an impact modifier, a filler, a crosslinking agent, a colorant, an anti-drop agent, a nucleating agent. , Any one or more additives of an anti-blocking agent and a slip agent may be added, and this fact is generally well known in the art, and was prepared through a conventional method.

In this experimental example, a fiber sample was prepared using the filament prepared through the above process, and the mold inhibiting effect under room temperature conditions was confirmed using the black mold decay resistance method (AATCC30), which is a test method for anti-fogging of the fiber sample. Indicated.

Specifically, as the experimental strain, black mold ( Aspergillus niger ATCC 6275) was used, and a sample with a diameter of 38 mm was prepared at room temperature (28° C.) for 2 weeks, and a standard cotton cloth was used as the control group, and if the mold did not grow, 1 point, When growth was confirmed under a microscope, 2 points were given, and when it was confirmed with the naked eye, 3 points were given.

division Control Example 6 Example 7 Example 8 Example 9 Example 10 Evaluation score 3 3 2 One One One

As a result, as shown in Table 4 above, anti-fogging properties were confirmed in the masterbatch containing 5% by weight or more of the antibacterial and anti-fogging composition of Preparation Example 1, and from Example 8 containing 10% by weight, mold did not grow at all, so It was confirmed that the above-described description of the present invention is for illustrative purposes, and those of ordinary skill in the art to which the present invention pertains are not changed in other specific forms without changing the technical spirit or essential features of the present invention. You will understand that it can be easily transformed. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not limiting. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as being distributed may also be implemented in a combined form.

The scope of the present invention is indicated by the claims to be described later, and all changes or modified forms derived from the meaning and scope of the claims and the concept of equivalents thereof should be construed as being included in the scope of the present invention.

Claims (4)

Diidomethyl p-tolyl sulfone 1 to 60 parts by weight, 2,4,5,6-tetrachloroisophthalonitrile (2,4,5,6-tetrachloro isophthalonitrile) 1 to 60 parts by weight Parts and 2-(thiocyanato methylthio)benzothiazole (2-(thiocyanato methylthio)benzothiazole) 1 to 60 parts by weight, respectively, in order of 1: 0.5 to 1.5: containing a mixture in a weight ratio of 0.2 to 1.0 Made of antibacterial and anti-fogging fibers,
A fiber molded article, characterized in that it possesses semi-permanent antibacterial and anti-fog properties. The method of claim 1,
The fiber molded article is a textile,
Clothing, feeling of clothing, upholstery, carpet, padding, lining, wallpaper, roofing products, house wrap, insulation, bedding, wiping cloth, towel, gloves, rug, Floor mat, drapery, table liner, bar runner, textile bag, awning, vehicle cover, boat cover, tent, agricultural cover, geotextile, car headliner , Filters, envelopes, tags, labels, diapers, feminine hygiene products, laundry aids, wound care professional medical supplies (wound care products), and one or more selected from the group consisting of medical professional medical supplies, textiles Molded products. The method of claim 1,
The fiber molded article,
Diapers, napkins, incontinence pads, gowns, scrubs, medical hygiene products, wallpaper, sliding window paper, flooring, cover cloth, food waste container cover, disposable toilet supplies, toilet seat cover, pet sheet, pet Diapers, PET towels, general medical supplies, bedding materials, filter materials, and one or more selected from the group consisting of nursing care products, fiber molded article. delete