KR102245815B1 - Furniture manufacturing panel combined with antibacterial film - Google Patents

Abstract

The present invention relates to a furniture manufacturing panel to which an antibacterial film is bonded. The furniture manufacturing panel to which the antibacterial film is bonded according to the present invention includes a panel layer, the antibacterial film layer positioned above the panel layer, and an adhesive layer for bonding and combining the panel layer and the antibacterial film layer, wherein the antibacterial film layer comprises a film layer, a coating layer positioned on an upper part of the film layer, and a surface protection layer positioned on an upper part of the coating layer. The furniture manufacturing panel to which the antibacterial film is bonded according to the present invention by the above configuration is manufactured by combining the protective film with excellent antibacterial properties, thereby being harmless to the human body, having excellent antibacterial activity, being eco-friendly, and being able to improve durability.

Description

Furniture manufacturing panel combined with antibacterial film {FURNITURE MANUFACTURING PANEL COMBINED WITH ANTIBACTERIAL FILM}

The present invention relates to a panel for making furniture with an antimicrobial film, and more particularly, a panel for making furniture by combining a protective film with excellent antibacterial properties, which is harmless to the human body and realizes excellent antibacterial power, and is environmentally friendly and improves durability. It relates to a panel for making furniture that can be combined with an antibacterial film.

Furniture stores various objects or provides a space for objects to be used in a more comfortable position, and is generally made of wood, plywood, MDF, HDF, P/B, and H/B.

As such, furniture that mainly uses wood is affected by moisture due to its material characteristics, and this moisture induces the growth of mold and moth in the furniture, as well as an environment suitable for insects such as cockroaches to inhabit. By providing the furniture, the user side is making various efforts to prevent the items such as blankets, clothes or books stored therein from being deteriorated, but the effect is still insufficient.

In addition, in the case of using solid wood, it would be desirable in terms of strength and other various aspects, but as the wood itself must depend on imports, it is not only contrary to national interests, it is expensive, and there is a limitation in processability, which puts a considerable burden on it. Considering that, artificial wood or synthetic wood, which is made of wood materials such as plywood, MDF, or particle board, and is supplied at a relatively inexpensive price, are widely used.

On the other hand, in recent years, as the public's health and health awareness increases, the demand for households with antibacterial properties that can be used for various purposes is increasing. In particular, in the case of a common article that can be used by a large number of the public or an article that can be frequently contacted with a user's hand, it is a recent trend that it is made using a material having antibacterial properties.

In addition, personal hygiene awareness is being further strengthened due to the fear of diseases without proper preventive measures, such as Corona-19 and swine flu, and the demand for antimicrobial products that can meet this is increasing rapidly.

Therefore, by implementing excellent antibacterial and deodorizing power that is harmless to the human body, it is possible not only to prevent infection to various bacteria, fine dust, and viruses in advance, but also to inhibit the proliferation of fungi or microorganisms that may be generated in furniture, etc., and to contaminate indoors. There is an urgent need for new and advanced antibacterial furniture that can keep the air clean and clean.

Domestic registered patent No. 10-1031895 (registered on April 21, 2011) Domestic registered patent No. 10-2086295 (registered on March 02, 2020) Domestic registered patent No. 10-2140408 (registered on July 27, 2020)

An object of the present invention is to provide a panel for furniture production in which an antimicrobial film that is harmless to the human body and excellent antibacterial activity is realized by combining a protective film with excellent antibacterial properties and an antibacterial film that can improve durability.

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

The panel for making furniture to which the antimicrobial film is bonded according to the present invention includes a panel layer, an antibacterial film layer positioned on the panel layer, and an adhesive layer for bonding and bonding the panel layer and the antibacterial film layer, and the antibacterial film layer It includes a silver film layer, a coating layer positioned on the film layer, and a surface protective layer positioned on the coating layer, and the coating layer is formed by mixing and drying the coating liquid composition, and the coating liquid composition is copper nanoparticles, swelling Graphite powder, gelite, Korean paper, natural extract, capsule powder, polyurethane resin and dispersant may be included.

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The coating liquid composition includes 1 to 3 parts by weight of copper nanoparticles, 0.5 to 1.5 parts by weight of expanded graphite powder, 2 to 4 parts by weight of gelite, 1 to 5 parts by weight of Korean paper, 3 to 7 parts by weight of natural extract, 0.1 to 1 of capsule powder It may be included in a weight ratio of 200 to 300 parts by weight of a polyurethane resin, and 1 to 3 parts by weight of a dispersant.

The surface protection layer is formed by applying a surface protection composition on the top of the coating layer and then drying, the surface protection composition may be prepared including a self-emulsifying epoxy resin, an acrylic modified polyester resin, a conductive polymer, a filler, and a curing agent. have.

The surface protection composition includes 50 to 70 parts by weight of a self-emulsifying epoxy resin, 10 to 20 parts by weight of an acrylic modified polyester resin, 0.1 to 1 parts by weight of a conductive polymer, 1 to 3 parts by weight of a filler, and 0.5 to 1.5 parts by weight of a curing agent. It can be prepared by mixing with.

Details of other embodiments are included in the detailed description.

The panel for making furniture with an antibacterial film according to the present invention is manufactured by combining a protective film having excellent antibacterial properties, so that it is harmless to the human body and realizes excellent antibacterial activity, and it is environmentally friendly and can improve durability.

It will be fully understood that the embodiments of the technical idea of the present invention can provide various effects not specifically mentioned.

1 is a cross-sectional view schematically showing a cross-section of a panel for making furniture to which an antibacterial film according to the present invention is combined.

Advantages and features of the present invention, and a method of achieving them will become 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 disclosed content may be thorough and complete, and the spirit of the present invention may be sufficiently conveyed to those skilled in the art.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms such as those defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning of the related technology, and should not be interpreted as an ideal or excessively formal meaning unless explicitly defined in the present application. Does not.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to a preferred embodiment with respect to the antimicrobial film is combined with the panel for making furniture according to the present invention.

1 is a cross-sectional view schematically showing a cross-section of a panel for making furniture to which an antibacterial film according to the present invention is combined.

The furniture manufacturing panel 10 to which the antibacterial film is bonded according to the present invention is manufactured by combining the antibacterial film to the furniture manufacturing panel 10. For example, as the furniture manufactured as a panel by combining the antibacterial film There are various types of furniture such as chairs, desks, and wardrobes, and in addition, it is applicable to various types of known furniture that can impart antibacterial activity.

Referring to FIG. 1, the panel 10 for making furniture to which the antibacterial film according to the present invention is combined includes a panel layer 100, an antibacterial film layer 200 positioned on the panel layer 100, and the panel layer. It includes an adhesive layer 300 for bonding by bonding the (100) and the antibacterial film layer 200.

The panel layer 100 may be a material for manufacturing ordinary furniture such as chairs, desks, and wardrobes, and the panel layer 100 is wood, plywood, MDF, HDF, P/B, H/B, plastic It may be made of a variety of known materials such as.

For example, the plywood is a kind of wood-based panels, and a plurality of veneers made of thinly cut wood logs are stacked and laminated and bonded. (Gluing) It is made with 1 sheet. Specifically, referring to the Ordinary plywood (KSF 3101) stipulated by the Korean Industrial Standard, the types of plywood are the manufacturing method (Standard plywood) plywood, low emission plywood, flame retardant ( Fire retardant plywood, etc.), adhesiveness (boiling water proof plywood, water proof plywood, non-waterproof plywood, etc.), or wood species (softwood). ) It is classified into plywood, hardwood plywood, mixed species plywood, etc.

Alternatively, the high-density fiberboard (HDF) is a plate material prepared by combining the advantages of plywood and reinforced flooring, supplementing the disadvantages such as poor durability and scratchability of the plywood. It is designed to be resistant to external impacts, and it can exhibit the characteristics of reducing structural deformation due to moisture or temperature by utilizing water-resistant plywood.

The antibacterial film layer 200 is located on the panel layer 100 and is provided to impart effects such as antibacterial properties and durability, and the antibacterial film layer 200 is a film layer 220, the film layer 220 It includes a coating layer 240 positioned on the top, and a surface protection layer 260 positioned on the coating layer 240.

The film layer 220 is adhered to the panel layer 100 and a known film may be used. For example, the film layer 220 may be a known polypropylene film. The polypropylene film is widely applied as a protective film applied to the inner surface of a food or pharmaceutical package. More specifically, the polypropylene film is applied to the inner surface of a food or pharmaceutical package to protect the food or medicine and face each other. The film on the inside of the bowl is bonded by heat to seal food or medicine.

Non-stretched polypropylene (CPP; casting polypropylene) film is a non-stretched film. It is manufactured by the T-Die method, so it is inexpensive and has excellent heat adhesion, so it is widely used as a material for flexible packaging such as food packaging. It is composed of a skin layer, a core layer, and a sealing layer, and the sealing layer is a part where adhesion between the sealing layers is made by applying heat, and polypropylene resin having excellent such properties is generally used. .

In the present invention, the polypropylene film used for the film layer 220 may be a commercially available polypropylene film. For clarity and convenience of explanation of the technical idea of the present invention, the polypropylene film is Detailed description will be omitted.

The coating layer 240 is formed on the film layer 220 and may be formed by mixing and drying the coating solution composition. The coating solution composition includes copper nanoparticles, expanded graphite powder, gellite, Korean paper, natural extract, It contains capsule powder, polyurethane resin and dispersant.

That is, the coating liquid composition is 1 to 3 parts by weight of copper nanoparticles, 0.5 to 1.5 parts by weight of expanded graphite powder, 2 to 4 parts by weight of gelite, 1 to 5 parts by weight of Korean paper, 3 to 7 parts by weight of natural extract, 0.1 parts by weight of capsule powder. It may be included in a weight ratio of 1 to 1 part by weight, 200 to 300 parts by weight of a polyurethane resin, and 1 to 3 parts by weight of a dispersant.

The copper nanoparticles may be included to impart antibacterial and deodorant properties, and the copper nanoparticles self-inhibit the propagation of bacteria and interfere with the metabolism of various microorganisms to eliminate the cause of unpleasant odors, such as antibacterial and deodorant properties. Can be given.

For example, the copper nanoparticles may be copper oxide nanoparticles, and the copper oxide nanoparticles are surface-modified by stirring 0.1 to 2 parts by weight of silane based on 100 parts by weight of copper oxide powder having a particle size of 1 to 200 nm. The prepared copper oxide nanoparticles may be used.

That is, since the surface of the copper oxide powder is generally hydrophilic, it cannot be dispersed in the resin by OH groups and may be aggregated with each other. However, in the present invention, SIOH groups and oxidation of silane are performed by modifying the surface of the copper oxide powder with silane as described above. By causing hydrolysis and bonding between OH groups on the surface of the copper powder, the hydrophobic OR group in the silane is located on the surface of the copper oxide powder, so that the repulsive force between the OR groups, that is, the repulsive force between the copper oxide powders, can improve dispersibility.

In addition, the silane is vinyltriethoxysilane, vinyltrimethoxysilane, or vinyltri(2-methoxyethoxy)silane in order to improve dispersibility as described above. Silane) may be used, but is not necessarily limited thereto, and various silanes already known may be used.

The expanded graphite powder is a powder of expanded graphite. In general, graphite is a mineral in which a planar macromolecule in which 6-atomic rings of carbon atoms are infinitely connected in a plane form a layer and is superimposed, and its properties are good conductors of electricity, and polycene Due to its layered structure, it is flexible and active, and it is easy to split, but because it is a macromolecule, it is characterized by low reactivity.

However, since graphite is only connected by van der Waals force between the carbon planes of the polycene structure, it is 35.5 nm wider than 14.2 nm, which is the spacing between carbon atoms, so that another atom is inserted into the gap between the layers to create an interlayer compound. I can. In other words, the interlayer compound is made by inserting many atoms, molecules, or ions into the gaps between the planes while maintaining the network plane of the graphite crystal.

In other words, when an interlayer compound or residual compound coated with an acid such as sulfuric acid between the layers of graphite is rapidly heated to a temperature close to 1000°C, the acid vaporizes to generate a gas, and the graphite layer is formed by the expansion pressure of the gas. It expands by the fold, which is called expanded graphite.

The expanded graphite powder expands 30 to 50 times in the process of raising the temperature to 180° C. or more when a fire occurs, and forms char, so that it can perform a role of imparting insulation performance along with non-combustibility.

The gellite (Ge-lite) is called pozzolan, contains about 2.0ppm germanium and contains a large amount of far-infrared rays and anions, such as volcanic ash, silicate clay, silicate and the like. That is, the gellite emits far-infrared rays equivalent to about 180 times that of loess, promotes plant growth, has a humidity control function, releases negative ions and human body active energy, has a function of blocking harmful electromagnetic waves, and has a deodorizing and sterilizing effect. It also provides the effect of neutralizing heavy metals.

Hanji (Korean Paper, 韓紙) refers to paper made with a unique technique of Korea using the bark of Japanese oak or Samjidak as the main raw material. In addition to being durable and long-lasting, it has excellent heat retention and ventilation properties, and in particular, it has a lifespan of 50~ Compared to Yangji, which causes yellowing and decays in about 100 years, the Hanji has a lifespan of more than 1,000 years, and has a characteristic that a unique pattern stands out and its texture becomes softer as the years go by.

The natural extract may be prepared by mixing and then extracting natural ingredients consisting of cypress, albizia julibrissin, horseradish, wasabi, hwangchil and ginkgo.

The cypress tree (Chamaecyparis obtusa) is also known as the cypress tree, and is an evergreen tree of the coniferous cypress family, and although it is native to Japan, it is widely cultivated as a planted tree species in southern Korea through development. It is used as a deodorant and antibacterial agent.

Phytoncide produced from cypress trees is a plant's self-defense material. It is a substance exhaled or secreted by plants to resist pathogens, pests, and fungi, and contains sterilization and insecticidal ingredients in itself. The constituents of phytoncide are organic compounds consisting of phenolic compounds, alkaloids, glycosides, etc., including terpenes, and are known to have antibacterial, sedative, deodorant, and stress-relieving effects. Such phytoncide is a natural substance, not a chemical synthetic substance, is easily absorbed by the human body, and selectively sterilizes bacteria harmful to humans.

In addition, phytoncide is known to have numerous functions such as antibacterial, deodorant, sedative and stress relief, and it cleanses and moisturizes the skin with excellent sterilization, antibacterial, and cleansing effects, and strengthens the immune function of the body.

When phytoncide is inhaled, research results have been reported that the concentration of the stress hormone cortisol is drastically reduced, and it is known that odors do not occur severely due to phytoncide even if the carcasses of animals decay in the forest. In addition, it sedates the central nervous system to give you a pleasant feeling, prolongs your sleep time, and helps you get a comfortable sleep.

In addition, it has been found to be effective in hyperlipidemia and thrombotic heart failure by improving the blood circulation system, and it is also known as a strong antibacterial action that does not develop resistance in the human body. Phytoncide, a natural substance, is known to have the effect of repelling house dust mites up to 90% and is the most effective in preventing allergies without side effects.

The Albizzia julibrissin Durazzini is distributed in Asia, such as China, Taiwan, Japan, and Korea, and is widely used as a garden tree in Korea. The bark of Albizia julibrissin is listed as Hapwan blood in the Korean herbal medicine standard collections and is used by drying the bark collected in early summer. It is cylindrical or semi-cylindrical, and the outer surface is grayish brown or brown, and the inner surface is light yellowish brown or yellowish white. It has no odor, has a light taste, is astringent, and slightly irritates the tongue. In previous studies, it is known that it contains abundant phytochemicals such as tannin, saponin, and sitosterol. It is known to have liver, excitement, diuretic, anthelmintic, antitussive, and analgesic effects.

The stem of the Houttuynia cordata Thunb has a length of 20 to 35 cm and a diameter of 2 to 3 mm, with vertical wrinkles and clear nodes. Thin roots remain in the lower node, and the quality is soft and easy to break. The leaves are curled or wrinkled, but when opened, they are in a heart shape. The leaves are 3~5cm long and 3~4cm wide, and the ends are sharp. The main ingredients include afigiline and beta-sitosterol. The pharmacological action is gangsim, diuretic, antibacterial, and works on the lungs, has antipyretic and detoxification, and has the action of removing boils and removing pus. Therefore, it is effective against all heat poisoning and boils.

The wasabi (Wasabia koreana, Wasabia japonica) is an evergreen, perennial ripening semi-shaded plant belonging to the cruciferous family, sinigrin, allylisothiocyanate, vitamin C (vitamin C), glucose, As _{it contains KHSO 4} , it is known as a substance that can be used for purposes such as anti-rotation, antibacterial and edible spices.

The Hwangchil tree (Dendropanax morbifera Lev) is an evergreen broad-leaved arboreous tree of the genus Arlesaceae Ogalpi, and is a native tree native to Korea that grows up to 15m or more in height. The young branches are green and glossy, and the flowers bloom in June, and the 7~19mm long fruit ripens black. It is a temperate plant that grows in areas where the minimum temperature is above -2℃ and the average annual temperature is above 12~15℃.

The hwangchil wood secretes hwangchil, which is generally composed of 66.7% of non-volatile components, 10.8% of aroma, 8.1% of moisture, and 14.4% of solids, which are paint components that form a golden coating. It is known to be composed of sesquiterpenes such as β-cubebene, γ-selinene, and δ-cadinene. The fragrance component contained in Hwangchil has a variety of pharmacological effects as well as its value as a benzoin that makes the mind and body clear and comfortable, so it is highly valued as a perfume, cosmetic, or functional food and beverage.

The ginkgo tree is denoted by the scientific name Ginkgo biloba L, and is a larch tree belonging to the ginkgo family, and has been used as a garden tree or a street tree since ancient times, and the fruit ginkgo has been used for edible or medicinal purposes.

In particular, the leaves of ginkgo biloba have been widely prescribed in oriental medicine as a treatment for hypertension, Parkin's disease and diabetes, and recently, drugs using unique flavonoids extracted from ginkgo leaves are excellent for treating adult diseases such as high blood pressure, senile dementia and diabetes. It has been found to be effective, and is widely used as a raw material for cosmetics and functional foods. In addition, in recent years, research on the treatment of antimicrobial materials using ginkgo tree is being actively conducted.

As the natural extract, a natural extract prepared by the following method may be used.

In order to prepare the natural extract, first, natural ingredients consisting of cypress, albizia julibrissin, Eoseongcho, wasabi, hwangchil and ginkgo may be prepared, and then the natural ingredients may be mixed at a constant weight ratio.

In the above step, the natural materials are 5 to 10 parts by weight of cypress, 3 to 7 parts by weight of Albizia julibrissin, 2 to 6 parts by weight of Eoseongcho, 4 to 8 parts by weight of horseradish, 1 to 3 parts by weight of Hwangchil and 5 to 3 parts by weight of ginkgo tree. It may be mixed in a weight ratio of 10 parts by weight.

Next, the mixed natural ingredients can be steamed with water vapor.

In the above step, the steaming may be performed by heating the mixed natural materials with water vapor at a temperature of 140 to 160°C for 100 to 200 minutes.

Next, the steamed natural ingredients can be dried.

Drying of the steamed materials in the step may be performed by irradiating microwaves on the steamed materials, and the drying is performed at a pressure of 60 to 80 mbar and a temperature of 60 to 70°C for 5 to 15 minutes. This can be done by irradiating the steamed materials with a microwave of 2.15 GHz.

In the above step, the microwave penetrates to the inside of the steamed natural materials and can exhibit a volume heating effect of heating all of the steamed natural materials. When the microwave is irradiated, the inside of the steamed natural materials Moisture particles are vibrated or rotated according to the polarity change of the microwave, and such polarization vibration may lead to friction between molecules, causing heat generation.

In the above step, the steamed natural materials are irradiated with a microwave of 2.15 GHz for 5 to 15 minutes at a pressure of 60 to 80 mbar and a temperature of 60 to 70° C. to the steamed materials in a short time without thermal conduction. Since it penetrates into the inside of the material and is converted into heat due to friction due to polarity conversion, heating efficiency can be increased.

Subsequently, the dried natural materials may be fermented after mixing by spraying the fermentation microorganism culture solution.

In the above step, after mixing 1 to 5 parts by weight of the fermentation microorganism culture broth with respect to 100 parts by weight of the dried natural materials, fermentation may be performed at a temperature of 38 to 42° C. for 10 to 20 days.

In addition, in the above step, the fermentation microorganism culture solution may be a culture solution in which Bacillus subtilis (Bacillus subtilis) is cultured as a fermentation microorganism.

For example, in order to prepare the fermentation microorganism culture solution, first, cleanly washed rice straw is put in a container containing water and boiled for 30 to 50 minutes at a temperature of 105 to 110°C to sterilize, thereby removing various bacteria remaining on the rice straw.

In the above step, the Bacillus bacillus is sterilized only after a long period of time at a temperature of 120° C. or higher, and thus rice straw can be boiled for 30 to 50 minutes at a temperature of 105 to 110° C. so as not to kill Bacillus.

Next, after boiled and sterilized as described above, the water left in the container is naturally cooled, thereby obtaining the Bacillus bacteria leachate containing Bacillus bacteria in the water remaining in the container.

Thereafter, the Bacillus bacillus leachate in which the rice straw is immersed is maintained at a temperature of 65 to 75° C. for 5 hours, thereby proliferating Bacillus Bacillus contained in the Bacillus leachate. The present invention maintains the Bacillus bacillus leachate at a temperature of 65 to 75°C so that Bacillus bacteria are suitable for proliferation as described above, and nutrients required when the Bacillus Bacillus grows can be supplied from the rice straw immersed in the Bacillus bacillus leachate. Can proliferate.

Subsequently, the rice straw is separated and removed from the Bacillus bacteria-proliferated leachate as described above, and only the Bacillus leachate is boiled and sterilized at a temperature of 105 to 110°C for 30 minutes to sterilize and remove various bacteria that may be generated during the Bacillus proliferation process. , By naturally cooling the Bacillus leachate, a fermented microorganism culture solution containing Bacillus bacillus can be prepared.

Next, by separating the fermented leachate from the fermented natural materials by removing the solids consisting of the cypress, albizia julibrissin, horseradish, wasabi, hwangchil and ginkgo biloba from the fermented natural materials, it is possible to prepare a natural extract.

In the above step, the solid content may be removed by separating the fermented leachate from the solid content using a known strainer, etc., and the separation using the sieve is a known technique, so that the convenience of explanation and clarity of the technical idea of the present invention For this purpose, a detailed description thereof will be omitted.

The capsule powder is dried after mixing oregano leaf oil powder, rosemary oil powder, purified water, 1,2hexanediol (1,2-Hexanediol), ethylhexylglycerin and polyvinyl alcohol. And can be prepared by powdering.

In addition, the capsule powder is oregano leaf oil powder 10 to 20 parts by weight, rosemary oil powder 2 to 4 parts by weight, purified water (Water) 5 to 10 parts by weight, 1,2 hexanediol (1,2-Hexanediol) 1 to 3 It may be included in a weight ratio of 0.5 to 1.5 parts by weight of ethylhexylglycerin, and 3 to 7 parts by weight of polyvinyl alcohol.

The oregano leaf oil (Origanum Vulgare Leaf oil) powder may be prepared using oregano leaves, and the oregano (Oregano or Origanum vulgare) is originated from the Mediterranean coast, and was used importantly for medicinal purposes in ancient Greece, and in ancient Rome, it was also used for cooking. It was used as a natural preservative for meat storage and as a spice in Italian cuisine, so it is beneficial beyond harmless to the human body.

Oregano, also called a natural antibiotic, contains a lot of phenolic acid and flavonoids, so it has high antioxidant activity.It is said to be effective for tonic, diuretic, dry stomach, appetite, soothing, sterilizing, headache, motion sickness, and insomnia. It is so beneficial to the human body that it is an herb that is used as a drink or as a bath.

The rosemary oil powder may be prepared using rosemary, and the rosemary (Rosmarinus officinalis) is an evergreen wood native to the Mediterranean that belongs to the Lamiaceae family (Labiatae), and is one of the traditional flavors of Europe that has been cultivated mainly in southern Europe. Essential oils based on 1,8-cineole, camphor, Verbanon alpha-pinene, etc., and bitter ingredients such as rosmarinic acid. As it contains, it has been medicated as a dry stomach agent, an anti-inflammatory agent, an anti-inflammatory agent, and an insecticide.

Rosemary oil, which is extracted from the rosemary, has excellent mental arousal, concentration, and memory enhancing effects, and is useful for students who require mental concentration. In addition, it is helpful for hypotensive patients because it has a cardiovascular effect and an effect of raising blood pressure, and has excellent lymphatic circulation promoting effect and resolving fluid retention, which is helpful for cellulite and obesity.

In addition, the rosemary oil has an analgesic effect, so it is effective for muscle and joint pain, and has a wrinkle relief effect, so it is effective in promoting hair and preventing hair loss. Above all, it has a strong, clean, and refreshing scent, showing great efficacy in relieving mood and relieving or relieving stress. In addition, it acts as a natural preservative to safely store formulated products.

The rosemary oil powder may be prepared by extracting the oil from rosemary to prepare rosemary oil, and lyophilizing the rosemary oil and then pulverizing the rosemary oil to powder. A detailed description thereof will be omitted for convenience of description and clarity of the technical idea of the present invention.

The purified water (Water), 1,2hexanediol (1,2-Hexanediol), and ethylhexylglycerin (Ethylhexylglycerin) can be used as a solvent for effectively dissolving and dispersing the compositions for preparing the capsule powder.

The polyvinyl alcohol may be used as a film forming agent, and the polyvinyl alcohol has a peculiar property of water solubleness among synthetic polymers. It is a white powder and has a specific gravity of 0.3 to 0.7, and thermal stability and thermoplasticity are There is no change in the appearance of a heating furnace at 100~140℃ for a short period of time, but structural changes begin to occur around 150℃, and above that, it gradually becomes colored and decomposes around 300℃.

The polyvinyl alcohol is soluble in hot water (75° C. or higher), but swells only in cold water. It swells or dissolves in acids and alkalis. The mechanical properties of the thin film are superior to other synthetic resins in tensile strength, tensile strength, elongation, abrasion resistance, and gas permeability, but water vapor is exceptionally well permeable.

The polyurethane resin may be, for example, an acrylic-modified polyurethane resin, and the acrylic-modified polyurethane resin may act as a binder or an adhesive bonding the composition constituting the sheet paper composition.

As the acrylic-modified polyurethane, an acrylic-modified polyurethane prepared by the following manufacturing method may be used.

First, diisocyanate, polyol, and organic solvent may be prepared and then mixed to prepare a mixed solution, the mixed solution being diisocyanate 1 mol (mol) and polyol 0.5 to 1.5 mol (mol) It is prepared in a ratio of, and the organic solvent may be included in an amount of 60 to 70% by weight (wt%) of the total content of the mixed solution.

The diisocyanate is toluene diisocyanate (TDI), 4,4'-diphenylmethane diisocyanate (4,4'-Diphenylmethane diisocyanate (MDI)), hexamethylene diisocyanate (HDI)), Any one or more selected from the group consisting of isophorone diisocyanate (IPDI) and 4,4'-methylenebis (cyclohexyl isocyanate) (4,4'-Methylenebis (cyclohexyl isocyanate) (HMDI)) may be used. .

Any one or more selected from polyether polyol or polyester polyol may be used as the polyol.

The organic solvent may be any one or more selected from the group consisting of toluene, methyl ethyl ketone, ethyl acetate, acetone, and dimethylformamide.

Next, it is possible to prepare a polyurethane (Isocyanate terminated Polyurethane) having an isocyanate terminal group by reacting the mixture solution consisting of the diisocyanate, a polyol and an organic solvent, the reaction at a temperature of 83 to 88 ℃ for 3 to 5 hours Can be done.

Next, a temperature of 83 to 87°C while adding 0.1 to 0.5 mol (mol) of a monomer (containing hydroxy group) to the isocyanate terminated polyurethane (Isocyanate terminated Polyurethane) By reacting for 2 to 4 hours in the polyurethane (Vinyl terminated Polyurethane) having a vinyl end group can be prepared.

The monomer containing the hydroxy group (Monomer (containing hydroxy group)) is 2-hydroxyethyl methacrylate (2-Hydroxyethyl methacrylate), 2-hydroxypropyl methacrylate (2-Hydroxypropyl methacrylate), 2-ha Any one or more selected from the group consisting of hydroxyethyl acrylate (2-Hydroxyethyl acrylate) and allyl alcohol may be used.

Subsequently, an acrylic-modified polyurethane may be prepared by reacting while adding a monomer to the polyurethane having a vinyl end group (Vinyl terminated Polyurethane), and the polyurethane and the monomer each having a vinyl end group are poly(polyurethane) having a vinyl end group. It may be included in a weight ratio of 70 to 90% by weight of urethane and 10 to 30% by weight of monomer.

In addition, the acrylic-modified polyurethane adhesive may be prepared by reacting for 1 to 3 hours at a temperature of 75 to 80° C. while adding a monomer to the polyurethane having a vinyl end group.

The monomer may be any one or more selected from the group consisting of styrene, methyl methacrylate, acrylonitrile, acrylic acid, and acrylic monomer.

The dispersant may be used to prevent precipitation of the coating liquid composition and to have dispersing properties.For example, the dispersant may include polyester-polydimethylsiloxane copolymer, dimethylol butanoic acid (DMBA), Any one or more selected from the group consisting of dimethylol propionic acid (DMPA) and methylenediethanolamine may be used.

The surface protection layer 260 may be provided on the coating layer 240 to protect the coating layer 240 and improve surface strength.

The surface protection layer 260 may be formed by applying a surface protection composition on the top of the coating layer 240 and then drying. The surface protection composition is a self-emulsifying epoxy resin, an acrylic modified polyester resin, a conductive polymer, and a filler. And a curing agent.

That is, the surface protection composition includes 50 to 70 parts by weight of a self-emulsifying epoxy resin, 10 to 20 parts by weight of an acrylic modified polyester resin, 0.1 to 1 parts by weight of a conductive polymer, 1 to 3 parts by weight of a filler, and 0.5 to 1.5 parts by weight of a curing agent. It can be prepared by mixing in a weight ratio.

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 is a self-emulsifying modified epoxy resin having an epoxy equivalent of 200 to 230 g/eq. , Weather resistance, water resistance, and other physical properties can be remarkably improved.

The acrylic-modified polyester resin is condensed and polymerized by condensation polymerization of a polyhydric alcohol containing 80 to 90% by weight of a diol and 10 to 20% by weight of a triol with a polybasic acid containing 40 to 50% by weight of anhydrous acid and 50 to 60% by weight of an aliphatic acid. To prepare 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, and the polyester resin 50 to 60 weight % And 40-50% by weight of acrylic monomer are grafted to have a weight average molecular weight (Mw) of 5,000-7,000, a hydroxyl value of 50-60mgKOH/g, an acid value of 3mgKOH/g or less, and a glass transition temperature of 10-20℃ It is possible to prepare an acrylic modified polyester resin in the range.

The conductive polymer may be any one or more selected from polyaniline, polypyrrol, polythiophene, polyethylene dioxythiophene, epoxidized amine, or fatty acid ester.

The filler may play a role of controlling hardness, coating film formation, and gloss.For example, the filler includes calcium carbonate, clay, talc, magnesium silicate, kaolin, mica, silica, aluminum silicate, aluminum hydroxide. , By using at least one selected from the group consisting of barium sulfate and barium sulfate, hardness, impact resistance, rust resistance, and the like can be improved.

The curing agent is included in the surface protection composition and performs a function of reacting and curing on the coating layer 240, and as the curing agent, a curing agent resin and a curing accelerator may be mixed and used.

Modified aliphatic polyamine may be used as the curing agent resin, and 2,4,6-tridimethylaminomethylphenol may be used as the curing accelerator, and the curing agent resin and the curing accelerator are 4 to 8 parts by weight of the curing agent resin, respectively. And 1 to 2 parts by weight of the curing accelerator may be mixed and used.

The adhesive layer 300 is used to bond and bond the panel layer 100 and the antibacterial film layer 200, and the adhesive layer 300 is a reactive hot melt polyurethane manufactured by the following method. (RHM PU)) can be used.

To prepare the reactive hot melt polyurethane (RHM PU), first, dicarboxylic acid and diol are prepared and mixed, and then condensation reaction is performed to make polyester diol. (Polyester Diol) can be synthesized.

The dicarboxylic acid is any selected from the group consisting of adipic acid, sebacic acid, dodecanedioic acid, isophthalic acid, and terephthalic acid. More than one may be used.

In addition, the diol (Diol) is any one selected from the group consisting of 1,6-hexanediol (1,6-Hexanediol), butanediol (Butanediol), ethylene glycol (Ethylene Glycol) and neopentyl glycol (Neopentyl Glycol) The above can be used.

Specifically, the polyester diol can be produced by mixing the dicarboxylic acid and diol and then performing a condensation reaction at a temperature of 245 to 255 °C for 25 to 30 hours. have.

Next, reactive hot melt polyurethane (Reactive Hot Melt Polyurethane (RHM PU)) is added and reacted with a chain extender and a tackifier to the polyester diol and diisocyanate. Can be manufactured.

The polyester diol may be prepared through the condensation reaction, and the polyester diol is a polyester having a weight-average molecular weight (Mw) of 4,500 to 5,500 g/mol. Diols can be used.

In addition, the diisocyanate (Diisocyanate) is toluene diisocyanate (TDI), 4,4'-diphenylmethane diisocyanate (4,4'-Diphenylmethane diisocyanate (MDI)), hexamethylene diisocyanate (Hexamethylene diisocyanate). (HDI)), isophorone diisocyanate (IPDI), and 4,4'-methylenebis(cyclohexyl isocyanate)(4,4'-Methylenebis(cyclohexyl isocyanate)(HMDI) The above can be used.

In addition, as the chain extender, trimethylol propane may be used.

In addition, any one or more selected from polystyrene or gum rosin may be used as the tackifier.

In addition, the reactive hot melt polyurethane (RHM PU) is a chain extender (Chain extender) in 90 to 95 parts by weight of the polyester diol and 15 to 25 parts by weight of diisocyanate. ) 0.5 to 1.5 parts by weight of pressure sensitive adhesive (Tackifier) 4 to 6 weight input unit, and purging with nitrogen at a temperature of 135 to 145 ℃ (N ₂ gas purging) and allowed to react for 5 to 7 hours, and the viscosity by a reaction such as the Reactive Hot Melt Polyurethane (RHM PU) of 20,000 to 40,000 cps/130° C. may be prepared.

Hereinafter, with reference to the accompanying drawings will be described in more detail with respect to a preferred embodiment for a panel for producing a furniture combined with the antibacterial film according to the present invention.

<Example>

A panel for making furniture was manufactured including a panel layer, an antibacterial film layer positioned on the panel layer, and an adhesive layer bonding and bonding the panel layer and the antibacterial film layer.

Here, the panel layer was made of a plywood for furniture manufacturing, and the antibacterial film layer was prepared including a film layer, a coating layer disposed on the film layer, and a surface protective layer disposed on the coating layer.

The film layer was formed of a known polypropylene film, and the coating layer was formed by mixing a coating solution composition on top of the film layer and then drying, the coating solution composition was 2 parts by weight of copper nanoparticles, expanded graphite powder 1 It was prepared by blending in a weight ratio of 3 parts by weight of gelite, 3 parts by weight of Korean paper, 5 parts by weight of natural extract, 0.5 parts by weight of capsule powder, 250 parts by weight of polyurethane resin, and 2 parts by weight of dispersant.

In addition, the surface protection layer was formed by applying a surface protection composition on the top of the coating layer and then drying. The surface protection composition was formed by 60 parts by weight of a self-emulsifying epoxy resin, 15 parts by weight of an acrylic modified polyester resin, and 0.5 parts by weight of a conductive polymer. It was prepared by mixing in a weight ratio of parts, 2 parts by weight of the filler and 1 part by weight of the curing agent.

In addition, as the adhesive layer, Reactive Hot Melt Polyurethane (RHM PU) was used.

1. Wear resistance test

The abrasion resistance of the furniture manufacturing panel manufactured as in the above example was measured, and the results are shown in Table 1 below.

Test method: KS F 3126 standard, (initial wear degree + final wear degree)/2 = pass if more than 350 times

Sample size: Test by making a 100mm diameter test disk

Quality standard: Experiment by replacing the wear wheel with a new wear wheel every 200 revolutions with S-42

Test Items Wear wheel Test result result Remark Initial wear point Final wear point Wear resistance S-42 Episode 390 Episode 470 Episode 430 pass

Referring to [Table 1], in the abrasion resistance test of the furniture manufacturing panel manufactured according to the Example, the initial wear point was 390 times and the final wear point was 470 times, and it was confirmed that excellent wear resistance characteristics were shown. .

2. Measurement of physical properties

The physical properties of the furniture manufacturing panel manufactured as in the above example were measured and shown in Table 2 below.

division Example Test Methods Wrinkle resistance (mm) 85 Driver fall no problem Plastic chair Caster resistance (caster, chair wheel) no problem 55kg, 1000 round trips Scratch resistance (N) 1.4 Diamond chips Coin scratch no problem 11kg x 500mm/sec Coin Imprintability no problem 1,000mm/sec

Referring to [Table 2], it was confirmed that the panel for making furniture manufactured according to the Example has excellent durability.

3. Smokeability measurement

The fuming properties of the furniture manufacturing panels manufactured through the above examples were measured, and the measurement criteria for this were shown in the following [Table 3], and the measurement results are shown in the following [Table 4].

rank Test Items Exam conditions Conformity Criteria Non-combustible material
(1st grade) nonflammable
(Electric furnace combustion) Temperature difference between the maximum temperature and the final equilibrium temperature (℃) 750℃,
20 minutes burning 20℃ or less Mass reduction rate Less than 30% Gas Hazard Average stoppage time mouse More than 9 minutes Semi-incombustible material
(Level 2) Cone calorimeter Total heat release (MJ/m ² ) About 800℃,
10 minutes burning 8 MJ/m ² or less Time for the heat release rate ^{to exceed 20kW/m 2 (seconds)} 10 seconds or less Full melting of the core material, changes in cracks and holes, etc. Visually No cracks, holes and melting of the core material Gas Hazard Average stoppage time mouse More than 9 minutes Flame retardant material
(Level 3) Cone calorimeter Total heat release (MJ/m ² ) About 800℃,
5 minutes burning 8 MJ/m ² or less Time for the heat release rate ^{to exceed 20kW/m 2 (seconds)} 10 seconds or less Full melting of the core material, changes in cracks and holes, etc. Visually No cracks, holes and melting of the core material Gas Hazard Average stoppage time mouse More than 9 minutes

Example standard Cone calorimeter Total release rate (MJ/m ² ) 4.14 8 MJ/m ² or less Time for the heat release rate ^{to exceed 20kW/m 2 (seconds)} 0 10 seconds or less Full melting of the core material, cracks and holes, etc. none No cracks, holes and melting of the core material emitting smoking none - Judgment Flame retardant grade 2 equivalent

As shown in [Table 4], it was confirmed that the panel for manufacturing furniture manufactured according to the Example exhibits excellent flame retardancy and exhibits physical properties corresponding to flame retardant grade 2.

4. Antibacterial test

By preparing a panel specimen (5×5mm) for furniture production prepared as in the above example, a paper disk method for Bacillus subtilis, Escherichiaocli, and Salmonella typhimurium culture solution Antimicrobial activity was investigated by using, and the results are presented in Table 5 below.

division Antibacterial activity (antibacterial ring of paper disc, diameter mm) Bacillus Escherichia coli Salmonella Example 12.7 13.8 12.1

Referring to [Table 5], it was confirmed that the panel for making furniture according to the example had excellent antibacterial activity against all of Bacillus, E. coli, and Salmonera.

In the above, a preferred embodiment of the present invention has been described, but those of ordinary skill in the art to which the present invention pertains will understand that the present invention can be implemented in other specific forms without changing the technical spirit or essential features. I will be able to. Therefore, it should be understood that the exemplary embodiment described above is illustrative in all respects and is not limiting.

10; Panels for making furniture
100; Panel layer
200; Antibacterial film layer
220; Film layer
240; Coating layer
260; Surface protection layer
300; Adhesive layer

Claims (5)

A panel layer, an antibacterial film layer positioned above the panel layer, and an adhesive layer bonding and bonding the panel layer and the antibacterial film layer,
The antibacterial film layer includes a film layer, a coating layer positioned on the film layer, and a surface protective layer positioned on the coating layer,
The coating layer is formed by drying after mixing the coating solution composition, wherein the coating solution composition includes copper nanoparticles, expanded graphite powder, gellite, Korean paper, natural extract, capsule powder, polyurethane resin, and dispersant. Panels for making furniture incorporating films.
delete The method of claim 1,
The coating liquid composition includes 1 to 3 parts by weight of copper nanoparticles, 0.5 to 1.5 parts by weight of expanded graphite powder, 2 to 4 parts by weight of gelite, 1 to 5 parts by weight of Korean paper, 3 to 7 parts by weight of natural extract, 0.1 to 1 of capsule powder Part by weight, a polyurethane resin 200 to 300 parts by weight and a dispersant 1 to 3 parts by weight of the combined antibacterial film, characterized in that included in the weight ratio of the furniture manufacturing panel.
The method of claim 3,
The surface protection layer is formed by applying a surface protection composition on the top of the coating layer and then drying, the surface protection composition is prepared including a self-emulsifying epoxy resin, an acrylic modified polyester resin, a conductive polymer, a filler, and a curing agent. A panel for making furniture combined with an antibacterial film.
The method of claim 4,
The surface protection composition includes 50 to 70 parts by weight of a self-emulsifying epoxy resin, 10 to 20 parts by weight of an acrylic modified polyester resin, 0.1 to 1 parts by weight of a conductive polymer, 1 to 3 parts by weight of a filler, and 0.5 to 1.5 parts by weight of a curing agent. A panel for making furniture combined with an antibacterial film, characterized in that produced by mixing with.

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