KR102057493B1 - Military backpack and manufacturing method thereof - Google Patents

Abstract

The present invention relates to a military backpack and a method of manufacturing the same.
Military backpack according to the invention is sprayed on the surface of the backpack in a weight ratio of 10 to 20 parts by weight of the first coating solution relative to 100 parts by weight of the backpack, and then dried for 10 to 20 hours at a temperature of 50 to 60 ℃, It is prepared by spraying at a weight ratio of 5 to 15 parts by weight of the second coating solution based on 100 parts by weight of the backpack coated with 1 coating solution and then drying at a temperature of 55 to 65 ° C. for 5 to 10 hours.
By the above-described configuration, the present invention can manufacture a military backpack by applying a functional coating solution, thereby improving the water repellency, anti-fungal and antimicrobial properties, reduce odor, and can produce a military backpack excellent in wear resistance, flame retardancy and solvent resistance.

Description

Military backpack and its manufacturing method {MILITARY BACKPACK AND MANUFACTURING METHOD THEREOF}

The present invention relates to a military backpack and a method of manufacturing the same, and more particularly, by applying a functional coating solution to produce a military backpack, to improve the water repellency, anti-fungal and antimicrobial properties, to reduce odor and to have the effect of wear resistance, flame retardancy and solvent resistance An excellent military backpack and a method of manufacturing the same.

The backpack is designed to secure convenience for carrying and transporting various luggage such as clothes, food, and equipment when climbing or traveling long distances.The backpack should be light and strong, and the back or frame stably supports the appearance and load of the backpack. And the shoulder straps (suspenders) are ergonomically designed to comfortably and naturally close to the user's back and shoulders to reduce the impact on the user and to distribute the load efficiently.

On the other hand, the military backpack used by the military unit to wear and wrap the military uniform during training or combat is designed as a means for simply storing and moving military supplies such as supplies in consideration of the characteristics of the soldiers who must repeat the march and training and combat. Because it is accompanied with various inconveniences in use, and high fatigue, there is a problem that interferes in the performance of combat.

In other words, it is important that military backpacks, especially used in the military, allow soldiers to store and use goods for long periods of time when performing operations.

However, conventional military backpacks are highly waterproof, so they are highly utilized during the rainy season, such as during the rainy season, but in the dry season, the goods (foods) stored when the moisture or water penetrates into the backpack are not ventilated for the internal contents. There was a drawback that it was difficult to store pleasant items or clothes, such as mold easily generated due to moisture permeating the clothes or molds due to moisture in the clothes.

Domestic Registration Room No. 20-0451347 (December 06, 2010 registration) Domestic Patent No. 10-1379763 (registered on March 25, 2014) Domestic Publication No. 10-2008-0043898 (published May 20, 2008)

The present invention is to provide a military backpack by applying a functional coating solution, to improve the water repellency, anti-fungal and antimicrobial properties, to reduce the odor, and to provide a military backpack excellent in wear resistance, flame retardancy and solvent resistance and a method of manufacturing the same.

Various problems to be solved by the present invention are not limited to the above-mentioned problems, and other tasks not mentioned will be clearly understood by those skilled in the art from the following description.

Military backpack according to the invention is sprayed on the surface of the backpack in a weight ratio of 10 to 20 parts by weight of the first coating solution relative to 100 parts by weight of the backpack, and then dried for 10 to 20 hours at a temperature of 50 to 60 ℃, It is prepared by spraying at a weight ratio of 5 to 15 parts by weight of the second coating solution based on 100 parts by weight of the backpack coated with 1 coating solution and then drying at a temperature of 55 to 65 ° C. for 5 to 10 hours.

The first coating solution is 1 to 5 parts by weight of the organic extract, 0.1 to 0.3 parts by weight of ocherite extract, 20 to 30 parts by weight of polyurethane acrylate oligomer, 1 to 2 parts by weight of the curing agent, 10 to 20 parts by weight of the silicone mixture 100 parts by weight It can be prepared by mixing in a weight ratio of 1 part by weight, 1 to 3 parts by weight of the exothermic particles, 0.5 to 1.5 parts by weight of the antistatic agent and 1 to 2 parts by weight of graphene.

The second coating liquid is 100 to 200 parts by weight of epoxy mixed resin solution, 1 to 5 parts by weight of expanded graphite powder, 1 to 3 parts by weight of deodorant, 1,3,5-triglycidyl isocyanurate (1,3,5 -triglycidal isocyanurate) 5 to 15 parts by weight, 5 to 10 parts by weight of dodecanedioic acid and 5 to 15 parts by weight of additives, the additive is 1 to 3 parts by weight of antioxidant, 0.1 to 1 parts by weight of film forming agent and filler It may be prepared by mixing in a weight ratio of 3 to 7 parts by weight.

The silicone mixture is blended in a weight ratio of 25 to 45 parts by weight of polydimethylsiloxane, 40 to 80 parts by weight of polyacryl silicone and 10 to 20 parts by weight of an alkenyl group-containing organopolysiloxane, based on 100 parts by weight of a solvent, and 1 to 1 of silane coupling agent. 3 parts by weight and 0.05 to 0.1 parts by weight of the catalyst may be added in combination.

The organic extract may be any one or more extracts selected from the group consisting of Pyrethrum extract, Deris extract, Kuasian extract and Liania extract.

Specific details of other embodiments are included in the detailed description.

Method of manufacturing a military backpack according to the present invention by applying a functional coating solution to produce a military backpack, to improve the water repellency, anti-fungal and antimicrobial properties, to reduce the odor and to produce a military backpack excellent in the effects of wear resistance, flame resistance and solvent resistance have.

It will be fully understood that embodiments of the inventive concept may provide various effects that are not specifically mentioned.

1 is a photograph showing a military backpack manufactured according to the present invention.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail. However, the present invention is not limited to the embodiments described herein and may be embodied in other forms. Rather, the embodiments introduced herein are provided so that the disclosure may be made thorough and complete, and to fully convey the spirit of the present invention to those skilled in the art.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

On the other hand, the military backpack according to the present invention is used as a backpack for use in the military unit to wear and wrap the military during training or combat, used as a means for storing and moving the military, such as supplies of soldiers that must repeat the march and training and combat In addition, it can be used to allow soldiers to keep goods for long periods of time during operations.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the military backpack according to the present invention.

1 is a photograph showing a military backpack manufactured according to the present invention.

Referring to Figure 1, the military backpack according to the present invention can be prepared by spraying a functional coating solution to the conventional military backpack used to wear and wrap the military at the time of training or combat in the military unit, the military according to the invention The backpack is sprayed on the surface of the backpack in a weight ratio of 10 to 20 parts by weight of the first coating solution based on 100 parts by weight of the backpack, and then dried at a temperature of 50 to 60 ℃ for 10 to 20 hours, the first coating solution is coated It may be prepared by spraying at a weight ratio of 5 to 15 parts by weight of the second coating solution based on 100 parts by weight of the backpack and then drying at a temperature of 55 to 65 ° C. for 5 to 10 hours.

The first coating liquid is first coated on the military backpack to form a coating layer between the cotton yarns of the military backpack, the first coating liquid can impart the effects of water repellency, anti-worm, antibacterial, wear resistance, etc. to the military backpack have.

The first coating solution may be cured by mixing a silicone mixture, an organic extract, an ocher extract, a polyurethane acrylate oligomer, a curing agent, a solvent, a heat generating fine particle, an antistatic agent, and graphene to form a coating layer formed of the first coating solution. The first coating liquid may be 1 to 5 parts by weight of the organic extract, 0.1 to 0.3 parts by weight of the ocherite extract, 20 to 30 parts by weight of the polyurethane acrylate oligomer, 1 to 2 parts by weight of the curing agent, and solvent based on 100 parts by weight of the silicone mixture. 10 to 20 parts by weight, 1 to 3 parts by weight of the exothermic particles, 0.5 to 1.5 parts by weight of the antistatic agent and 1 to 2 parts by weight of graphene may be prepared by blending.

The silicone mixed solution may be prepared by injecting polydimethylsiloxane, polyacryl silicone and alkenyl group-containing organopolysiloxane in a stirred state by mixing a solvent, and then sequentially adding a silane coupling agent and a catalyst.

In this step, the silicone mixture is blended in a weight ratio of 25 to 45 parts by weight of polydimethylsiloxane, 40 to 80 parts by weight of polyacryl silicone and 10 to 20 parts by weight of an alkenyl group-containing organopolysiloxane, based on 100 parts by weight of the solvent, and a silane coupling agent. It may be included in a ratio of 1 to 3 parts by weight and 0.05 to 0.1 parts by weight of the catalyst.

The solvent uses a mixed solvent of toluene, methyl ethyl ketone (MEK) and ethyl acetate (EA), wherein the toluene, methyl ethyl ketone and ethyl acetate are mixed in a weight ratio of 2: 3: 2. The toluene, methyl ethyl ketone and ethyl acetate may be mixed to prepare a mixed solvent, and then the mixed solvent may be prepared by stirring for 5 to 10 minutes at a speed of 750 to 850 rpm.

The polydimethylsiloxane may be represented by the following [Formula 1] as a silicone-based resin, the polydimethylsiloxane may participate in the curing reaction to improve the durability of the coating layer formed of the first coating solution.

[Formula 1]

In Formula 1, m is an integer of 10 to 300, n is an integer of 10 to 300, the viscosity of the polydimethylsiloxane may be 500 to 10,000cps, when the viscosity of the polydimethylsiloxane is less than 500cps Problems of application and dryness may occur, and in the case of exceeding 10,000 cps, there may occur a problem of flatness of the first coating liquid due to a viscosity increase.

The polyacryl silicone may include 60 parts by weight of toluene, 25 parts by weight of silicone oil in which dimethylsilicone and silicone acrylate are mixed in a weight ratio of 1: 1, 15 parts by weight of methyl acryl (methyl methacrylate), and methacrylic acid. (methacrylic acid) 0.8 parts by weight, 4 parts by weight of 2-HEMA (hydroxyethyl methacrylate) and 0.5 parts by weight of benzoyl peroxide (BPO) are added, and then a polyacryl silicone prepared by reacting at 115 to 125 ° C. for 4 to 6 hours can be used. have.

The alkenyl group-containing organopolysiloxane is a silicone polymer for forming silicon, and an alkenyl group-containing organopolysiloxane having a viscosity of 520 to 550 mpa · s may be used. For example, the alkenyl group may include a vinyl group, a propenyl group, and a pen. The organopolysiloxane may be any one selected from the group consisting of tenyl groups, and the organopolysiloxane may be a dimethylpolysiloxane in which dimethylvinylsiloxy groups are blocked at both ends of a molecular chain, and dimethylsiloxane and methylvinylsiloxane in which dimethylvinylsiloxane groups at both ends of a molecular chain are blocked. It may be at least one selected from the group consisting of a dimethyl siloxane-methylphenylsiloxane copolymer in which a dimethyl vinyl siloxy group at both ends of a polymer chain is blocked, and a methyl vinyl polysiloxane in which a trimethylsiloxy group at both ends of a molecular chain is blocked.

The silane coupling agent may be any one or more selected from the group consisting of epoxy silanes, aminosilanes and isocyanate silanes. For example, GPTMS (glycidoxypropyl trimethoxy silane) may be used as the silane coupling agent.

The catalyst may be a platinum-based chelate catalyst including platinum or platinum. For example, the platinum-based chelate catalyst may be one of platinum group elements (eg, Pt, Pd, Hr, Ru, Os, Ir). It may refer to a catalyst in the form of a single or multiple coordination bond with chlorine ions or organic molecules including oxygen and / or nitrogen.

The organic extract may be any one or more extracts selected from the group consisting of Pyrethrum extract, Deris extract, Kuasian extract and Liania extract.

The organic extract may be included in a weight ratio of 5 to 10 parts by weight of Pyrethrum extract, 10 to 15 parts by weight of Deris extract, 1 to 5 parts by weight of Ku asia extract and 5 to 10 parts by weight of Liania extract.

The insect pest extract may be extracted from the insect pests, the insect insects (Insect flower, Pyrethrum, Dalmatian pyrethrum) is a perennial herb of the dicotyledon plant Campanula Asteraceae, the flowers of the insect pests are called Pyrethrins (light red yellow oily substance) It contains. Pyrethrins exhibit strong insecticidal properties by paralyzing the nervous system of cold-blooded animals, especially insects, but are safe, naturally occurring pesticides that are not toxic to warm-blooded animals such as humans. Specifically, pyrethrin has a strong insecticidal action against insects, and is used for mosquitoes and flies as a coil-type mosquito scent, and is applicable to cockroaches, fleas, ants, and similar crawling insects. It is known and used as a crop protection agent in combination with other natural insecticide components.

The deris extract can be extracted from the deris, the deris is a plant native to Southeast Asia, due to the insecticide of rotenone contained in the deris plant is used for the control of aphids, fish It is known to be highly toxic to.

The Ku asia extract can be extracted from the Ku asia (Quassia amara), which is a deciduous tree that grows about 30 cm with a soft gray bark, biplane and small yellow flowers. The Ku-Asia is soaked with a resin called Quasin, which has a very bitter taste throughout the tree, and this ingredient can be used as a natural insecticide. As a pesticide, guacin is considered the safest ingredient in home gardening because it controls a variety of pests with little damage to ladybugs and bees.

The liaania extract may be extracted from liana (Ryania speciosa), lyanodine (ryanodine) contained in the liana may exhibit a pesticidal effect as a natural substance. The Lyania is a genus of willow and aspens and lives in tropical jungles in Central and South America, contains an toxic component that inhibits the release of calcium ions, and the insecticidal effect is fast-acting, but there is no transition in the plant.

The organic extract is prepared, and then crushed, and then crushed, and then in a weight ratio of 2000 to 3000 parts by weight of purified water based on 100 parts by weight of the crushed pesticides, deris, kuasia and niania. Mixing to prepare a mixed solution, and applying an ultrasonic wave to the mixed solution, the ultrasonic wave applied to the mixed solution using the output of 100 to 200 watts for 100 to 200 minutes at a vibration frequency of 50 to 80KHz Pyrethrum, Deris Primary extracts consisting of, Kuasia and Liania may be prepared.

Next, the primary extract consisting of the ultrasonic wave applied detoxification country, Deris, Kuasia and Liania was introduced into a steam generator, and the steam generator was heated to a temperature of 150 to 180 ° C. And a secondary extract may be prepared by generating steam containing useful components of liaania, separating the generated steam into a container, and then cooling to a temperature of 30 to 35 ° C.

Next, the secondary extract using a well-known strainer, such as a sieve (sieve) and the like to remove the fine solids contained in the secondary extract, 70% to 2000-3000 g of the secondary extract from which the fine solids were removed (v / v) First extraction with ethanol aqueous solution 10-15 L at 85 to 90 ℃ for 3-4 hours, then 70% (v / v) 4 to 6 ethanol solution at 85 to 90 ℃ for 2 to 3 hours Complete the tea extraction, prepare the extract until the 1500 to 2000ml in a vacuum rotary evaporator, dilute to 2 to 3 times by adding ethanol to the extract, centrifuged for 40 to 60 minutes at 20,000 ~ 25,000rpm By completely removing the polymer fibers and fine solids that may be included in the extract, and then extract the collected supernatant three times with 1.5 to 2.0 times the weight of acetic acid, an organic extract can be prepared.

The ocherite extract can be extracted from the ocherite, the ocherite far infrared rays from the ocher penetrates the subcutaneous layer deeply 80 times deeper than normal heat, and shakes the cells minutely 2,000 times a minute to make the vital activity of the cell tissue more vigorous. It promotes blood circulation, releasing wastes and heavy metals in the body, and prevents stress, adult diseases, and gynecological diseases. Natural ocherite has a porosity and breathes, so it has excellent humidity control ability. Cool and warm in winter.

The ocher gemstone is a natural ocher gemstone that has been deposited over 300 million years and has been kept in high pressure and preserves the ancient primitive nature. It has excellent deodorizing effect, excellent antibacterial and anti-fungal performance. Especially, it is a porous sedimentary rock and it has excellent humidity control ability. The general stone is cold, so if you sit directly on the floor, the cold will invade, but the natural ocher has the ingredient of ocher. It is effective to block.

The ocherite extract, first, after preparing the ocherite may be pulverized the ocherite to a certain particle size.

In this step, the loess may be pulverized to have a specific surface area of 50 to 500 m ² / g and a particle diameter of 0.1 to 100 μm using a known mill such as a ball milling device.

Next, the pulverized ocher may be heated to heat treatment.

In this step, impurities and residual organic matter contained in the loess may be removed by heating the crushed loess, and the crushed loess may be heated at a temperature of 1300 to 1500 ° C. for 60 to 100 minutes.

Subsequently, the heated ocherite may be washed to remove combustion residues generated during the heat treatment attached to the surface of the ocherite, and then the washed ocherite may be immersed in distilled water.

In the step of washing the ocherite may be carried out by washing the surface of the ocherite with purified water of 40 to 60 ℃, the maturation of the ocherite 500 to 1000 of purified water of 60 to 70 ℃ temperature for 100 parts by weight of the washed ocherite After mixing the parts by weight, it can proceed by sealing for 5 to 10 days.

Subsequently, after removing and removing ocherite from the mixture of the aged ocherite and purified water, the purified water may be centrifuged.

In the above step, the active ingredients of ocherite are leached into the purified water. By centrifuging the purified water, the lower layer solution in which the fine particles of the ocher stone are located is divided into the supernatant liquid and the supernatant liquid positioned on the upper layer liquid. Can be separated.

Next, after separating the supernatant and the supernatant of the centrifuged purified water, the supernatant and the supernatant may be heated to prepare a loess extract.

In the step, after separating the supernatant and the supernatant of the centrifuged purified water, it is possible to prepare a loess extract formed by leaching the active ingredients of ocherite by heating with a heat source of 150 to 180 ℃ temperature to remove moisture.

The polyurethane acrylate oligomer is UV curable, and may be formed by reacting polycarbonate and polyester diol with isocyanate and acrylate.

The polyurethane acrylate oligomer includes a urethane bond as a repeating unit, and generally shows flexible physical properties. The polyurethane acrylate oligomer has various kinds, and aliphatic urethane acrylate and aromatic urethane acryl depending on the type of isocyanate used. Divided by rate.

The aliphatic urethane acrylate oligomer is a yellowing type, usually has 2 to 20 functional groups, the aromatic urethane acrylate oligomer is a yellowing type, and has a fast reactivity characteristics, the polyurethane acrylate oligomer is durable due to its high hardness This is excellent and can provide the outstanding wear resistance.

The polyurethane acrylate oligomer may have 5 to 12 functional groups, and the functional group may be any one or more selected from the group consisting of urethane acrylate, epoxy acrylate, amine group, amide, oxazoline and carbamate. .

The curing agent may be used to polymerize curing, wherein the curing agent is a group consisting of toluene diisocyanate (TDI), xylylene diisocyanate (XDI) and isophorone diisocyanate (IPDI). Any one or more selected from may be used.

The solvent may be used to adjust the viscosity and fluidity, for example, the solvent is selected from the group consisting of propyleneglycol monopropyl ether, ethylene glycol monobutyl ether, butyl acetate, ethyl acetate, ethanol and isopropyl alcohol Any one or more may be used.

The exothermic fine particles may improve the thermal insulation of the military knapsack prepared, first, the exothermic fine particles, first to 15 to 25 parts by weight of the metal oxide, 2 to 6 parts by weight of the thermally conductive polymer, photocatalyst 1 as a composition for producing the exothermic fine particles To 3 parts by weight and 10 to 20 parts by weight of the binder may be prepared, and then uniformly mixed and dried to produce exothermic particles. In this case, metal oxides, photocatalysts, and the like, among the compositions for preparing the exothermic particles may be pulverized into nano-sized particles, and the compositions may be uniformly mixed at room temperature.

The metal oxide may be any one or more selected from the group consisting of fluorine-doped tin oxide (FTO), indium tin oxide (ITO), and aluminum-doped zinc oxide (AZO), preferably fluorine-doped. Tin oxide can be used.

The thermally conductive polymer is added to improve thermal conductivity. The thermally conductive polymer effectively forms a network between the compositions by controlling the morphology of the compositions constituting the exothermic particles, thereby improving the thermal conductivity. It is possible to improve the heat generation efficiency and thermal efficiency of the military backpack according to.

In the present invention, the thermally conductive polymer may be prepared including 45% by weight of polycarbonate resin, 42% by weight of polyolefin resin and 13% by weight of carbon-based thermally conductive filler, wherein the polycarbonate-based resin is bisphenol- A polycarbonate resin based on A may be used, and the polyolefin resin may be ethylene octene rubber (EOR), ethylene propylene rubber (EPR), ethylene-propylene-diene rubber (EPDM) and linear low density polyethylene (LLDPE). Any one or more selected from the group consisting of may be used, and the carbon-based thermally conductive filler may be graphite.

The photocatalyst is added to improve the exothermic and antimicrobial effect, the photocatalyst in the present invention is any one or more selected from the group consisting of manganese dioxide (MnO ₂ ), silicon dioxide (SiO ₂ ) and titanium dioxide (TiO ₂ ). Can be used.

The binder is to provide an adhesive force for bonding the composition constituting the exothermic particles, in the present invention, the binder may be a thermosetting or UV-curable resin, for example, the binder is a urethane-based resin, acrylic resin, urethane Any one or more selected from -acryl copolymer, polyimide resin, polyamide resin, polyether resin, polyolefin resin or melamine resin can be used.

The antistatic agent is, for example, stearyldimethyl-benzylammonium chloride, cetyl-trimethyl-ammonium chloride or bis (acryloxyethyl) hydroxyethylmethylammoniummethylsulfate [Bis (acryloxyethyl) hydroxyethyl methyl ammonium emthosulfate] may be used any one or more of the above, the antistatic agent may have a sustained antistatic effect, rapid curing rate during the drying process and may not appear yellowing or browning.

The graphene is made of an array of carbon atoms of a special structure and has a thermal conductivity, heat storage, high efficiency thermal insulation performance than any other material. The graphene has 200 times the strength of steel with strong flexibility, and the graphene has heat conduction, heat storage (heat storage) as well as infrared treatment function for the human body, which promotes blood circulation, eliminates vascular waste and budding. It can keep your lines active.

The second coating liquid is sprayed on the military knapsack coated with the primary coating liquid and then dried to form a coating layer, the second coating liquid is excellent deodorizing property, flame retardant effect, Excellent friction, water and sweat fastness can be provided.

The second coating solution comprises an epoxy mixed resin solution, expanded graphite powder, deodorant, 1,3,5-triglycidyl isocyanurate (1,3,5-triglycidal isocyanurate), dodecanedioic acid and additives, The additive may be prepared by mixing an antioxidant, a film forming agent and a filler.

That is, the second coating liquid is 100 to 200 parts by weight of epoxy mixed resin solution, 1 to 5 parts by weight of expanded graphite powder, 1 to 3 parts by weight of deodorant, 1,3,5-triglycidyl isocyanurate (1,3 , 5-triglycidal isocyanurate) 5 to 15 parts by weight, 5 to 10 parts by weight of dodecanedioic acid and 5 to 15 parts by weight of additives, the additive is 1 to 3 parts by weight of antioxidant, 0.1 to 1 parts by weight of film forming agent And it can be prepared by mixing in a weight ratio of 3 to 7 parts by weight of the filler.

The epoxy mixed resin solution may be prepared by mixing a self-emulsifying epoxy resin, an acrylic modified polyester resin, and polyvinyl alcohol.

Specifically, the epoxy mixed resin solution may be prepared by mixing 30 to 50 parts by weight of a self-emulsifying epoxy resin, 5 to 15 parts by weight of an acrylic modified polyester resin, and 5 to 15 parts by weight of polyvinyl alcohol.

The self-emulsifying epoxy resin is an epoxy resin having an active group that can be emulsified in itself, and the self-emulsifying epoxy resin has a strength and weather resistance by using a self-emulsifying modified epoxy resin having an epoxy equivalent of 200 to 220 g / eq. And physical properties such as water resistance can be remarkably improved.

30 to 50 parts by weight of the self-emulsifying epoxy resin is used. When the self-emulsifying epoxy resin is included in less than 30 parts by weight, sufficient strength, weather resistance, water resistance, and the like cannot be obtained, and more than 50 parts by weight. If included, there may be a problem of delayed drying.

The acrylic modified polyester resin is a hydroxyl group by condensation polymerization of a polyhydric alcohol containing 80 to 90% by weight of diol and 10 to 20% by weight of triol with a polybasic acid containing 40 to 50% by weight of anhydrous acid and 50 to 60% by weight of an aliphatic acid. A polyester resin having a value of 45 to 65 mgKOH / g, an acid value of 3 mgKOH / g or less, a glass transition temperature of 5 to 20 ° C. and a weight average molecular weight (Mw) of 2,500 to 3,500 was prepared, and the polyester resin was 50 to 60 weight. % And 50-50% by weight of the acrylic monomers by grafting (graft) weight average molecular weight (Mw) 5,000 ~ 7,000, hydroxyl value 50 ~ 60mgKOH / g, acid value 3mgKOH / g or less, and glass transition temperature 10 ~ 20 ℃ Acrylic modified polyester resin which is a range can be manufactured.

The polyvinyl alcohol is an environmentally friendly material, has the advantage of providing emulsification, water resistance, viscosity stability, good compatibility with the resin and may be suitable for viscosity control in the second coating liquid. In the present invention, the polyvinyl alcohol may use polyvinyl alcohol having a molecular weight of 20,000 to 80,000.

The expanded graphite powder is powdered expanded graphite, and in general, graphite is a mineral formed by layering planar macromolecules in which six-membered rings of carbon atoms are infinitely connected in a planar manner, and its property is a good conductor of electricity. Due to its layered structure, it is flexible and active, and is easy to split, but is a macromolecule and has low reactivity.

However, since graphite is only connected by the van der Waals force between the carbon planes of the polysene structure, and is 35.5 nm wider than the 14.2 nm spacing between carbon atoms, it is necessary to insert another atom into the gap between layers to form an interlayer compound. Can be. In other words, the interlayer compound is formed by inserting many atoms, molecules or ions into the gap between the planes while maintaining the network plane of the graphite crystal.

That is, when the intercalation compound or residual compound coated with an acid such as sulfuric acid is rapidly heated to a temperature close to 1000 ° C between the layers of graphite, the acid is vaporized and gas is generated, and the graphite interlayer is tens to several hundreds due to the expansion pressure of the gas. It is expanded by ship, which is called expanded graphite.

In the present invention, the expanded graphite may play a role of imparting flame retardant performance with non-combustibility because the expanded graphite expands by 30 to 50 times and forms char in the process of increasing the temperature to 180 ° C. or more during a fire. .

The deodorant may be used deodorant prepared by the following manufacturing method.

That is, to prepare a deodorant, first, sodium citrate, sodium fumarate, ethylene glycol and succinic acid may be mixed in the purified water, followed by stirring to prepare a first solution.

In the above step, the mixture is mixed in a weight ratio of 4 to 8 parts by weight of sodium citrate, 3 to 7 parts by weight of sodium fumarate, 1 to 3 parts by weight of ethylene glycol, and 3 to 6 parts by weight of succinic acid, followed by stirring. Can be prepared.

The sodium citrate, sodium furmiate, ethylene glycol is included to improve the deodorizing effect and to increase the stability, the succinic acid may be included to increase the odor removal efficiency of the sulfur compound-based material.

Next, a second solution may be prepared by mixing ethanol and cypress extract in the first solution.

In the step, 50 to 100 parts by weight of the first solution, 5 to 15 parts by weight of ethanol and 1 to 5 parts by weight of the cypress extract are mixed, and then stirred for 30 to 60 minutes at a temperature of 40 to 42 ℃ the cypress wood An extract may prepare a second solution in which the first solution and the ethanol are uniformly mixed.

In this step, the ethanol is excellent in the quick action of the deodorizing effect and the deodorizing, deodorizing effect on inorganic, organic substances, etc., the cypress extract has no odor irritation and is absorbed into the human body without difficulty, antibacterial action, deodorizing action and harmful chemicals It is excellent in effect such as deodorizing substance.

The cypress extract in this step is an extract produced by processing the cypress, the cypress ( Chamaecyparis obtusa ) is also called cypress, an evergreen arboretum of the genus cypressaceae, A native of Japan, but the origin of Japan, but through the development of Korea It is widely cultivated as a plantation species in the southern region, and is used as a deodorant and antibacterial agent because of its unique aroma.

Phytoncide produced from the cypress is a plant's self-defense substance, which is spouted or secreted by plants to resist pathogens, pests, molds, etc. It contains sterilization and insecticides in itself. It is an organic compound consisting of phenolic compounds, alkaloids, glycosides, and the like, and is known to have antibacterial, sedative, deodorant, and stress relief effects. Such phytoncide is a natural substance, not a chemical synthetic substance, is absorbed into the human body without difficulty, and selectively sterilizes harmful bacteria.

In addition, phytoncide is known to have a number of functions, such as antibacterial, deodorant, sedative and stress relief. In addition, phytoncide cleanses and moisturizes the skin with excellent sterilization, antibacterial and cleansing action, and strengthens the body's immune function.

The cypress extract may be used a cypress extract prepared by the following manufacturing method.

First, you can prepare a cypress.

In this step, the cypress may be used in various parts of the cypress, such as stems, leaves, bark.

Next, the cypress may be pulverized by using a grinder such as a ball milling apparatus, and the powder of the cypress has a particle diameter of 3,000 to 6,000 µm and a ratio of 100 to 3000 m ² / g. It can be ground to have a surface area.

Then, the cypress powder can be steamed by steaming with steam.

The steaming of the cypress powder in this step may be carried out by heating with steam of constant temperature under constant pressure, for example, the cypress powder at a temperature of 170 to 190 ° C. and a pressure of 5 to 10 kgf / cm ² . Steaming can be accomplished by heating with water vapor for 30 to 60 minutes.

When the steaming of the cypress powder is performed at the step below the lower limit of the process conditions, the steaming may not be sufficiently performed, so that the fermentation may not easily proceed in a later process, and the upper limit of the process conditions may occur. If it proceeds in excess of the active ingredient contained in the cypress powder may be volatilized or the effect of further steaming may be insignificant.

Subsequently, the steamed cypress powder may be inoculated by spraying the lactic acid bacteria culture solution.

In this step, the lactic acid bacteria culture medium serves as a fermentation bacterium that can promote the fermentation of the steamed cypress powder, by spraying the lactic acid bacteria culture solution in a weight ratio of 0.1 to 5 parts by weight based on 100 parts by weight of the steamed cypress powder It can be inoculated into the steamed cypress powder, if the lactic acid bacteria culture medium is contained below the lower limit of the above problem may occur a sufficient fermentation in a later process, it is included in excess of the above upper limit In this case, a problem may occur that the physical properties of the cypress powder are degraded by excessive fermentation.

In addition, the lactic acid bacteria in the step may use a lactic acid strain isolated from kimchi which is a fermented food, specifically, the lactic acid strain, Lactobacillus curvatus ( Lactobacillus curvatus ) , Weissella viridescens ( Weissella viridescens ) , Lactobacillus plantarum and Any one or more known lactic acid strains selected from the group consisting of Leuconostoc lactis can be used.

For example, in this step, to prepare a lactic acid bacteria culture solution from kimchi, the pH of the medium is adjusted to 2.8-3.2 using 1.2N HCl, and then the lactic acid strain is separated from kimchi, and the isolated lactic acid strain is MRS broth (Oxoid). , England) incubated for 20 to 25 hours at 37 ~ 39 ℃ and diluted to 1 × 1.0 ⁸ ~ 5 × 1.0 ⁸ CFU / mL, then centrifuged at 10,000 to 15,000 rpm for 10 to 15 minutes (supernatant) is isolated, the supernatant (Supernatant) is filtered with a 0.45㎛ syringe filter (syringe filter), lactic acid bacteria by dilution by mixing in a weight ratio of 1,000 to 2,000 parts by weight of sterilized distilled water to 100 parts by weight of the filtered supernatant Cultures can be prepared.

Next, the cypress powder inoculated with the lactic acid bacteria culture solution may be fermented.

In this step, the cypress powder inoculated with the lactic acid bacteria culture medium may be fermented for 3 to 5 days after maintaining a temperature of 43 to 45 ° C. and a humidity of 62 to 64%, and the fermentation of the cypress powder is If it is carried out below the lower limit range may cause a problem that the cypress powder is not sufficiently fermented, if it is carried out above the upper limit range may cause a problem that the physical properties of the cypress powder is degraded by excessive fermentation Can be.

Then, the fermented cypress powder can be extracted to produce a cypress extract.

For example, in the step, the cypress extract is first extracted with 70% (v / v) ethanol aqueous solution 10-15 l in fermented cypress powder 2000-3000 g for 3-4 hours at 85 to 90 ℃, 70 % (v / v) 4 to 6 of the aqueous ethanol solution to complete the second extraction for 2 to 3 hours at 85 to 90 ℃, preparing an extract until the 1000 to 1500ml in a vacuum rotary evaporator; And ethanol was added to the extract to 2 to 3 times the weight, and centrifuged at 18,000 to 20,000 rpm for 30 to 40 minutes to completely remove the polymer fibers and solids that may be included in the fermented cypress powder, and then collect the collected supernatant. It can be prepared by the step of extracting twice with 1.5 to 2.0 times the weight of acetic acid.

Next, a third solution may be prepared by mixing purified water with acetic acid peroxide and sodium acetate, followed by stirring.

In the above step, purified water, 0.07 (w / w)% acetic acid and 0.09 (w / w)% sodium acetate are mixed at a weight ratio of 1: 1: 1, followed by stirring at a temperature of 38 to 40 ° C. A third solution can be prepared.

Peroxyacetic acid (Peroxyacetic acid) in this step is represented by the molecular formula CH ₃ COOOH, it is known to have a high reactivity and to kill various kinds of bacteria by a few drops by Oxygen radical (oxygen radical). The hydrocarbon terminal of acetic acid peroxide easily penetrates microbial cells such as bacteria to decompose SS and SH bonds inside and outside the microorganisms, inducing rapid and effective antimicrobial activity.

When acetic acid peroxide is in contact with an organic substance, an oxygen oxygen radical is generated as shown in Scheme 1 below, and the generated oxygen radical oxidizes the contacted organic substance to exert a bactericidal effect.

Scheme 1

CH ₃ COOOH + H ₂ O ↔ CH ₃ COOH + O ₂

Therefore, in general, acetic acid peroxide is widely used as a cleaning agent for medical devices to remove pathogenic microorganisms, and is used in various fields such as air conditioner filters, cookware cleaners, and hand cleaners.

Subsequently, the fourth solution may be prepared by mixing purified water with the second solution and stirring the mixture.

In the step, the fourth solution may be prepared by mixing 20 to 40 parts by weight of the second solution and 200 to 300 parts by weight of purified water, followed by stirring for 30 to 60 minutes at a temperature of 37 to 39 ° C.

Next, purified water may be mixed with the third solution, followed by stirring to prepare a fifth solution.

In the step, the fifth solution may be prepared by mixing 30 to 50 parts by weight of the third solution and 200 to 300 parts by weight of purified water, followed by stirring for 10 to 30 minutes at a temperature of 37 to 39 ° C.

Next, the fourth solution and the fifth solution may be mixed and then stirred to prepare a deodorant according to the present invention.

In this step, the deodorant may be prepared by mixing the fourth solution and the fifth solution in a weight ratio of 1: 1 to 2 parts by weight, and then stirring the solution for 1 to 3 hours at a temperature of 30 to 35 ° C.

The 1,3,5-triglycidyl isocyanurate and dodecanedioic acid are used as a curing agent, and the dodecanedioic acid has a molecular weight of 230 to 280 prepared using crystalline C9 to C12 dibasic acids having a purity of 99% or more. By using dodecanedioic acid, it is possible to secure physical properties such as adhesion, flexibility, chemical resistance, and corrosion resistance through reaction with the epoxy mixed resin solution, and secure mechanical properties such as high hardness.

In addition, the 1,3,5-triglycidyl isocyanurate and dodecanedioic acid may be used by mixing to obtain a mechanical and chemical properties by performing a curing reaction with the epoxy mixed resin solution.

In the present invention, the 1,3,5-triglycidyl isocyanurate preferably has a glass transition temperature (Tg) of -20 ° C or lower and a number average molecular weight (Mn) in a range of 1000 to 1500.

The antioxidant may be tetrakis [methylene-3- (dodecylthio) propionate] methane, and the antioxidant may be included in the second coating solution, thereby preventing radical decomposition of the UV blocking and cured coating film. Can be.

The film forming agent may be used to further improve the storage stability of the second coating solution and to improve the minimum temperature (minimum film temperature: MFFT) to obtain a uniform film. For example, the film forming agent may be 2, 2, or 4. -Trimethyl-1,3-pentanediol monoisobutyrate can be used (2,2,4-Trimethyl-1,3-Pentanediol monoisobutyrate).

The filler is added to improve the thermal and physical strength of the military backpack manufactured, to prevent wear and tear, and to improve corrosion resistance, weather resistance and gloss. For example, the filler may include perlite and vermiculite. (Vermiculite, Barite, Talc, Diatomaceous earth, Graphite, Silica, Calcium Carbonate, Magnesium Silicate, Calcium Silicate, Zinc Phosphate, and Barium Sulfate) It is preferable that it is used and the average particle diameter is 10-500 nm.

Hereinafter, with reference to the accompanying drawings it will be described in more detail for the preferred embodiment and comparative example for the military backpack according to the present invention.

<Example>

After spraying the surface of the backpack at a weight ratio of 15 parts by weight of the first coating solution to 100 parts by weight of a conventional military backpack, and dried for 15 hours at a temperature of 55 to 56 ℃, 100 parts by weight of the backpack coated with the first coating solution Military backpack was prepared by spraying at a weight ratio of 10 parts by weight of the second coating solution and then drying for 8 hours at a temperature of 59 to 60 ℃.

At this time, the first coating solution is 3 parts by weight of the organic extract, 0.2 parts by weight of ocherite extract, 25 parts by weight of polyurethane acrylate oligomer, 1.5 parts by weight of curing agent, 15 parts by weight of solvent, 2 parts by weight of exothermic particles based on 100 parts by weight of the silicone mixture solution , 1 part by weight of antistatic agent and 1.5 parts by weight of graphene were prepared by blending.

In addition, the second coating liquid is 150 parts by weight of epoxy mixed resin solution, 3 parts by weight of expanded graphite powder, 2 parts by weight of deodorant, 10 parts by weight of 1,3,5-triglycidyl isocyanurate, 8 weights of dodecanedioic acid Part and 10 parts by weight of additives, and the additive was prepared by mixing in a weight ratio of 2 parts by weight of antioxidant, 0.5 parts by weight of film forming agent and 5 parts by weight of filler.

The epoxy mixed resin solution was prepared by mixing 40 parts by weight of a self-emulsifying epoxy resin, 10 parts by weight of an acrylic modified polyester resin, and 10 parts by weight of polyvinyl alcohol.

<Comparative Example>

A conventional military backpack not coated with a coating solution was prepared and used as a military backpack according to a comparative example.

1. Deodorization test

Deodorization test was carried out by using a military backpack prepared according to the above Examples and Comparative Examples by the test concentration of ammonia and gas concentration measurement using FTIR, the results are shown in Table 1 below.

Test Items Elapsed time (minutes) Comparative example concentration (ppm) Example concentration (ppm) Deodorization test 30 435 180 90 428 125 150 420 93 300 415 75

Referring to [Table 1], it is a deodorization test result obtained by ammonia test gas and gas concentration measurement using FTIR, the military backpack according to the embodiment can be seen that the deodorization rate is improved over time.

2. Antibacterial test

The antibacterial test was carried out using the strains Escherichia coil ATCC 25922 and Pseudomonas aeruginosa ATCC 15442 using the military backpack prepared according to the Examples and Comparative Examples, the results are shown in Table 2 below.

Test Items Sample classification Initial concentration Concentration after 48 hours (CFU / 40p) Test by E. coli Comparative example 460 945 Example 460 190 Test by green fungus Comparative example 340 810 Example 340 150

Referring to [Table 2], the military backpack according to the comparative example is increased as time passes, but the military backpack according to the embodiment is reduced bacteria, military backpack according to the present invention has an antibacterial effect It can be seen that.

Here, CFU means Colony Forming Unit and 40p means 0.04 mL.

3. Measurement of smoke

The smokeability of the military knapsack prepared through the above example was measured, and the measurement criteria thereof are shown in the following [Table 3], and the measurement results are shown in the following [Table 4].

ranking Test Items Exam conditions Conformance criteria Nonflammable Material
(1st grade) nonflammable
(Electric combustion) Temperature difference between maximum temperature and final equilibrium temperature (℃) 750 ° C,
20 minutes combustion 20 ℃ or less Mass loss rate 30% less than Gas Hazard Average stoppage time mouse More than 9 minutes Semi-non-combustible material
(Level 2) Cone calorimeter Total heat emission (MJ / m ² ) About 800 ° C,
10 minutes combustion 8 MJ / m ² or less Time (seconds) when heat release rate exceeds 20 kW / m ² 10 seconds or less Change of all melting of core material, penetrating crack and hole Visually No cracks, holes and melting of core material Gas Hazard Average stoppage time mouse More than 9 minutes Flame Retardant Materials
(Level 3) Cone calorimeter Total heat emission (MJ / m ² ) About 800 ° C,
5 minutes combustion 8 MJ / m ² or less Time (seconds) when heat release rate exceeds 20 kW / m ² 10 seconds or less Change of all melting of core material, penetrating crack and hole Visually No cracks, holes and melting of core material Gas Hazard Average stoppage time mouse More than 9 minutes

Example standard Cone calorimeter Total Release Rate (MJ / m ² ) 4.08 8 MJ / m ² or less Time (seconds) when heat release rate exceeds 20 kW / m ² 0 10 seconds or less Edges such as all melting of core materials, penetrating cracks and holes none No cracks, holes and melting of core material emitting smoking none - Judgment Flame retardant second class equivalency

As shown in the above [Table 4], the military backpack prepared according to the embodiment was confirmed that the flame retardancy is excellent and exhibits physical properties corresponding to the second flame retardant.

4. Deodorization test

Into a 300cc Erlenmeyer flask, a source of odors of ammonia and hydrogen sulfide having the concentrations described below was placed, and the military knapsack prepared according to the Examples and Comparative Examples was cut, 40g of fabric samples were added, and 5cc of test solution was added and sealed. After leaving, the concentration of malodor source was measured at regular time intervals.

(1) ammonia deodorization test

Dilution was prepared by diluting 28% aqueous ammonia in 4 times the volume of water, and 0.15cc of the diluent was added to make the ammonia concentration 160ppm.

Ammonia Deodorization Test (Unit: ppm) division Example Comparative example 3 minutes later 90 135 5 minutes later 75 123 10 minutes later 58 118 30 minutes later 42 110 60 minutes later 30 98

(2) hydrogen sulfide deodorization test

Hydrogen sulfide 3 was dissolved in purified water 1 at room temperature to prepare a solution. The solution was diluted 5 times with 0.5 cc of the solution and treated in the same manner as ammonia. At this time, the hydrogen sulfide concentration was 310ppm to perform a deodorization test.

Hydrogen sulfide deodorization test (unit: ppm) division Example Comparative example 1 hour later 120 213 2 hours later 72 203 3 hours later 41 189

Referring to [Table 5] and [Table 6], it can be seen that the military backpack according to the embodiment shows an excellent deodorizing effect.

Although one preferred embodiment of the present invention has been described above, those skilled in the art to which the present invention pertains understand that the present invention may be embodied in other specific forms without changing the technical spirit or essential features thereof. Could be. Therefore, it should be understood that one embodiment described above is illustrative in all respects and not restrictive.

Claims (3)

After spraying the surface of the backpack in a weight ratio of 10 to 20 parts by weight of the first coating solution to 100 parts by weight of the backpack, and then dried for 10 to 20 hours at a temperature of 50 to 60 ℃, the first coating liquid coated backpack 100 It is prepared by spraying at a weight ratio of 5 to 15 parts by weight of the second coating solution with respect to parts by weight and then drying for 5 to 10 hours at a temperature of 55 to 65 ℃,
The first coating solution is 1 to 5 parts by weight of an organic extract using one or more extracts selected from the group consisting of Pyrethrum extract, Deris extract, Kuasian extract and Liania extract based on 100 parts by weight of the silicone mixture, 0.1 to 0.5 loess extract 0.3 parts by weight, polyurethane acrylate oligomer 20 to 30 parts by weight, curing agent 1 to 2 parts by weight, solvent 10 to 20 parts by weight, exothermic fine particles 1 to 3 parts by weight, antistatic agent 0.5 to 1.5 parts by weight and graphene 1 to 2 Prepared by blending in a weight ratio of parts by weight,
The second coating liquid is 100 to 200 parts by weight of epoxy mixed resin solution, 1 to 5 parts by weight of expanded graphite powder, 1 to 3 parts by weight of deodorant, 1,3,5-triglycidyl isocyanurate (1,3,5 -triglycidal isocyanurate) 5 to 15 parts by weight, 5 to 10 parts by weight of dodecanedioic acid and 5 to 15 parts by weight of additives, the additive is 1 to 3 parts by weight of antioxidant, 0.1 to 1 parts by weight of film forming agent and filler Military backpack, characterized in that prepared by mixing in a weight ratio of 3 to 7 parts by weight.
delete The method of claim 1,
The silicone mixture is blended in a weight ratio of 25 to 45 parts by weight of polydimethylsiloxane, 40 to 80 parts by weight of polyacryl silicone, and 10 to 20 parts by weight of an alkenyl group-containing organopolysiloxane, based on 100 parts by weight of a solvent, and 1 to 1 of silane coupling agent. Military backpack, characterized in that contained in a weight ratio of 3 parts by weight and 0.05 to 0.1 parts by weight of catalyst.

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