KR101733306B1 - A manufacturing method for interior block boards using coffee powders and interior block boards manufactured by the same - Google Patents
A manufacturing method for interior block boards using coffee powders and interior block boards manufactured by the same Download PDFInfo
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- KR101733306B1 KR101733306B1 KR1020150150409A KR20150150409A KR101733306B1 KR 101733306 B1 KR101733306 B1 KR 101733306B1 KR 1020150150409 A KR1020150150409 A KR 1020150150409A KR 20150150409 A KR20150150409 A KR 20150150409A KR 101733306 B1 KR101733306 B1 KR 101733306B1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/001—Producing wall or panel-like structures, e.g. for hulls, fuselages, or buildings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/14—Making preforms characterised by structure or composition
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/003—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
- B29C41/14—Dipping a core
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2063/00—Use of EP, i.e. epoxy resins or derivatives thereof, as moulding material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to a method for manufacturing a built-in block board using coffee powder and a built-in block board manufactured thereby.
A method of manufacturing a built-in block board using coffee powder according to the present invention comprises heating and grinding a coffee sludge (S100) for preparing a coffee powder by collecting the coffee sludge, heating, pulverizing and pulverizing the coffee sludge to a predetermined particle size; A step 220 of preparing a wood fiber to be mixed with the coffee powder and pulverizing the wood fiber; A resin manufacturing step (S300) of producing a resin which is mixed with the coffee powder and the wood fiber to give adhesiveness to a substrate; A step (S400) of preparing a mixture of coffee powder, wood fiber and resin, which mixes the coffee powder and the wood fiber with a resin to mix the coffee powder and the wood fiber and then stirs the mixture to produce a mixture; A base impregnation step (S500) of impregnating a base fluid into the mixture of the coffee powder, the wood fiber and the resin and coating the mixture on both sides of the base fluid; An ultraviolet ray irradiation and drying step (S600) of forming a mixed liquid layer on both sides of the substrate by irradiating ultraviolet rays onto the substrate to which the mixed liquid is applied and drying the mixed liquid; (S700) of preparing a coating composition for preparing a coating composition to be applied on the mixed liquid layer; And a coating and drying step (S800) of applying the coating composition onto the substrate on which the mixed solution layer is formed and drying to form a coating layer.
According to the above-described structure, since the present invention is produced by mixing coffee powder and resin and then processing, it can be used as a finishing material for panel or interior of furniture due to its direction, moisture-proofing and deodorizing effect, and recycled coffee sludge By manufacturing the board, waste resources can be recycled more efficiently without causing environmental pollution or using substances harmful to human body.
Description
The present invention relates to a method of manufacturing a built-in block board using coffee powder and a built-in block board manufactured thereby, and more particularly, to a method for producing a board board by mixing coffee powder and resin, The present invention relates to a method for manufacturing a built-in block board using coffee powder which can be used as a panel for furniture or as a finishing material for a interior of a building, and a built-in block board manufactured thereby.
Generally, the construction method of the inner wall of a building is waterproofed so as not to cause a leakage phenomenon due to the construction of concrete, and the inner side is made of a wood, plywood, synthetic resin, plastic, gypsum board, As shown in FIG.
The interior material, which is finished at the time of construction of the inner wall as described above, has a problem that an adhesive strong in chemicals harmful to the human body is used, or chemicals are processed for preservation of the built-in material, which severely affects the human body.
Thus, there are about 30,000 to 40,000 kinds of invisible chemicals in the formed buildings, half of which are artificial chemicals, and 16 kinds of irritant or carcinogenic substances have been identified. The number of non-hazardous substances is estimated to be higher.
This is because people are surrounded by harmful substances without knowing it because of chemical substances. It is caused by the toxicity of chemical substances, which causes abnormal symptoms such as headache and chronic fatigue in humans. Some of them are inherent in environmental hormones, Hormone-like function, which causes problems in the endocrine system.
Formaldehyde, which is a kind of chemicals applied on the surface to prevent damage to wood, plywood and flooring, is a representative harmful chemical substance that is volatilized into the inside of buildings. It stimulates the throat and nose as well as dermatitis, Volatile compounds such as benzene, toluene, acetone, styrene, and xylene, which are used in adhesives for paints, paints or wallpaper, can cause irritating odors to the eyes, neck, airways, skin, It has been reported to cause central nervous system abnormalities such as dizziness.
In addition, fine dust less than 10 microns of dust coming from the timber of the new building is not filtered from the bronchus but enters the lung and causes lung disease.
As described above, a substance harmful to human being while being used in a building is defined as a harmful chemical substance, so that it is applied.
Although these harmful chemicals are not individually harmful to humans, they are harmful to humans. If they cause chemical harms, harmful chemical substances may be harmful to the human body. .
In addition, since the toxic chemical takes about 30 years to completely exit the new building, the damage is serious because it can not be completely freed from harmful chemicals unless it is living in an aged house.
In recent years, there has been a need for a wall structure for decomposing harmful chemical substances, which are volatilized in the room, and a method for constructing the wall structure by using eco-friendly materials to suppress the emission of chemicals harmful to the human body.
In addition, waterproofing treatment is performed on the existing building to prevent water leakage from occurring due to the construction of concrete, and interior materials such as wood, plywood, synthetic resin, plastic, gypsum board, There is a problem that the odor remains in the unpleasant concrete, the adhesive, and the rustproof material of the built-in material for a considerable period of time after the construction of the building and even for several months.
Therefore, in recent years, interest in aromatherapy has increased, and various types of fragrance products have been stored in the interior of the building in order to remove the unpleasant harmful smell from the building at home. However, Since the organic compound (Volatile Organic Compounds: VOC) is emitted from the wall structure itself and then removed from the indoor air, it is not a fundamental solution but a ready-made measure. The remaining odor and aroma of the fragrance are mixed into the atmosphere There is a problem that the fragrance of the fragrance is continuously exposed and the maintenance cost is increased and the fragrance can not be maintained continuously.
The present invention relates to a method for manufacturing a built-in block board using coffee powder which can be used as a panel for furniture or a finishing material for interior of a building due to the effect of direction, moisture-proofing and deodorization by mixing and processing coffee powder and resin, And to provide a built-in block board manufactured thereby.
The present invention also relates to a method of manufacturing a board by recycling coffee sludge (coffee sludge), by using a built-in block board using coffee powder that can recycle waste resources more efficiently without causing environmental pollution or using harmful substances to human body And a built-in block board manufactured by the method.
The various problems to be solved by the present invention are not limited to the above-mentioned problems, and other problems not mentioned can be clearly understood by those skilled in the art from the following description.
A method of manufacturing a built-in block board using coffee powder according to the present invention comprises heating and grinding a coffee sludge (S100) for preparing a coffee powder by collecting the coffee sludge, heating, pulverizing and pulverizing the coffee sludge to a predetermined particle size; A step 220 of preparing a wood fiber to be mixed with the coffee powder and pulverizing the wood fiber; A resin manufacturing step (S300) of producing a resin which is mixed with the coffee powder and the wood fiber to give adhesiveness to a substrate; A step (S400) of preparing a mixture of coffee powder, wood fiber and resin, which mixes the coffee powder and the wood fiber with a resin to mix the coffee powder and the wood fiber and then stirs the mixture to produce a mixture; A base impregnation step (S500) of impregnating a base fluid into the mixture of the coffee powder, the wood fiber and the resin and coating the mixture on both sides of the base fluid; An ultraviolet ray irradiation and drying step (S600) of forming a mixed liquid layer on both sides of the substrate by irradiating ultraviolet rays onto the substrate to which the mixed liquid is applied and drying the mixed liquid; (S700) of preparing a coating composition for preparing a coating composition to be applied on the mixed liquid layer; And a coating and drying step (S800) of applying the coating composition onto the substrate on which the mixed solution layer is formed and drying to form a coating layer.
In the coffee sludge heating and pulverization step (S100), the coffee sludge is heated at a temperature of 150 to 180 DEG C for 10 to 15 minutes, and the coffee sludge can be pulverized to have an average particle size of 100 to 200 mu m.
In the wood fiber pulverization step (S200), the wood fiber is pulverized to have an average particle size of 100 to 200 mu m, a specific gravity of 500 to 800 kg / m < 3 >, and a moisture content of 2 to 4 wt% .
In the resin manufacturing step (S300), the resin is prepared by mixing a first agent comprising an epoxy resin or a urea resin and a second agent which is a curing agent containing a polyamide resin, wherein the first agent is an epoxy resin or a urea The second agent is prepared by mixing 40 to 50 parts by weight of the resin, 2 to 5 parts by weight of the melamine resin, 5 to 10 parts by weight of the xylene resin and 10 to 15 parts by weight of the isobutyl alcohol, The resin is 45 to 55 parts by weight, the 2,4,6- (dimethylaminomethyl) phenol is 3 to 5 parts by weight, the acrylic resin is 10 to 15 parts by weight, the isobutyl alcohol is 5 to 10 parts by weight and the methyl isobutyl ketone Are mixed in a weight ratio of 3 to 5 parts by weight, and the first agent and the second agent are blended in a weight ratio of 4: 1 to 5: 1 to have a viscosity of 200 to 500 cps.
The coffee powder and the wood fiber are mixed in a weight ratio of 50 to 100 parts by weight of the coffee powder and 300 to 400 parts by weight of the wood fiber respectively in the step (S400) of preparing the mixture of the coffee powder, the wood fiber and the resin, And 500 to 800 parts by weight based on 100 parts by weight of the whole.
In the substrate immersion step (S500), the substrates include paper, wood, fabric, glass fiber, carbon, aramid, silicon, inorganic materials, or combinations thereof. In the ultraviolet ray irradiation and drying step (S600), the curing of the mixed solution may be performed by irradiating ultraviolet rays onto the substrate to which the mixed solution is applied for 50 to 80 minutes.
In the step of preparing the coating composition (S700), the coating composition is prepared by mixing a binder containing at least one of monomer and oligomer and a conductive polymer mixed in a proportion of 5 to 10 parts by weight based on 100 parts by weight of the binder as a whole Wherein the conductive polymer is selected from the group consisting of polyaniline, polypyrrole, polythiophene, polyethylene dioxythiophene, quaternary ammonium compounds, epoxidized amines, fatty acid esters, sulfated waxes or lithium Amide complex, and the binder is selected from the group consisting of an acrylic binder, a urethane binder, a urethane-acrylic copolymer binder, an ester binder, an ether binder, an amide binder, an amide binder, Or an epoxy-based binder type such as a melamine curing agent or an epoxy Can be used a curing agent and polymeric binder are available, such as topics.
In the coating and drying step (S800) of the coating composition, the coating composition is formed on the substrate to a thickness of 50 to 100 탆, and the coating composition can be dried for 60 to 90 minutes at a temperature of 80 to 90 캜 after application.
In addition, the present invention includes a built-in block board using the coffee powder produced by the above-described manufacturing method.
The details of other embodiments are included in the detailed description.
The built-in block board using the coffee powder according to the present invention is manufactured by mixing the coffee powder and the resin and then processed, so that it can be used as a finishing material for a panel of a furniture or a interior of a building because of its direction, moisture-proofing and deodorizing effect.
In addition, the method of manufacturing a built-in block board using the coffee powder according to the present invention can produce a board by recycling the coffee sludge (coffee sludge), thereby making it possible to more efficiently use the waste material without causing environmental pollution or using harmful substances to the human body Can be recycled.
It will be appreciated that embodiments of the technical idea of the present invention can provide various effects not specifically mentioned.
1 is a flowchart illustrating a method for manufacturing a built-in block board using the coffee powder according to the present invention.
2 is a cross-sectional view of a built-in block board using coffee powder produced according to the present invention.
3 is a cross-sectional view of a block board manufactured by laminating a plurality of substrates according to another embodiment of a built-in block board using the coffee powder according to the present invention.
Advantages and features of the present invention, and methods of accomplishing the same, will be apparent from and elucidated with reference to the embodiments described hereinafter in detail. However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments disclosed herein are provided so that the disclosure can be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates 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 this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be construed as ideal or overly formal in meaning unless explicitly defined in the present application Do not.
Hereinafter, a method for manufacturing a built-in block board using the coffee powder according to the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a flow chart for explaining a method of manufacturing a built-in block board using the coffee powder according to the present invention, and FIG. 2 is a sectional view of a built-in block board using the coffee powder produced according to the present invention.
Referring to FIG. 1, a method for manufacturing a built-in block board using coffee powder according to the present invention comprises heating and crushing a coffee sludge (S100), pulverizing a wood fiber (S200), producing a resin (S300) (S400), a substrate immersion step (S500), an ultraviolet ray irradiation and drying step (S600), a coating composition preparation step (S700), and a coating composition drying and drying step (S800) .
1. Coffee sludge heating and pulverization step (S100)
The coffee sludge heating and pulverization step (S100) is a step of collecting coffee sludge as coffee waste to be discarded, heating, pulverizing and pulverizing the coffee sludge to a predetermined particle size to produce a coffee powder.
The heating of the coffee sludge in the coffee sludge heating and pulverization step (S100) may be performed at a temperature of 150 to 180 DEG C for 10 to 15 minutes so as to completely remove the moisture remaining in the coffee sludge and to facilitate pulverization have. In the present invention, when the heating of the coffee sludge is carried out below the lower limit range, moisture in the coffee sludge is hardly removed sufficiently, and when the heating is performed in excess of the upper limit range, the coffee sludge is carbonized and hardly powdered Problems can arise.
Further, in the step of heating and pulverizing coffee sludge (S100), the coffee sludge may be pulverized so as to have an average particle size of 100 to 200 mu m. When the particle size of the coffee sludge is pulverized to less than 100 mu m, The workability may be inferior due to ineffective and too small particles, and when it is pulverized in excess of 200 탆, the surface roughness of the board to be produced increases, which makes it difficult to be used as a general-purpose product.
The coffee sludge heating and milling step S100 may be performed using a cutting mill equipped with a knife bar, wherein the ball milling process for pulverizing the coffee sludge is carried out at a speed of 1000 to 2000 rpm, To 50 minutes.
2. Wood fiber pulverization step (S200)
The wood fiber pulverization step (S200) is a step of preparing powdery wood fiber to improve the durability of the board by mixing with the coffee powder. In the present invention, various kinds of wood fiber such as wood fiber, Can be used.
For example, the wood fiber may be a natural wood, wood chips, sawdust, shavings, recycled krafts or corrugated paper. For uniform mixing with the coffee powder, Mu] m to be powdered.
The wood fiber preferably has a specific gravity in the range of 500 to 800 kg / m 3 and a moisture content in the range of 2 to 4 wt%. When the wood fiber is out of the above range, The strength can not be obtained and the manufacturing cost may increase.
3. Resin manufacturing step (S300)
The resin manufacturing step (S300) is a step of producing a resin that can be mixed with the coffee powder and the wood fiber using the resin composition to give adhesion to the
In the present invention, the resin may be prepared by mixing a first agent, which is a two-component type resin, and a second agent, which is a curing agent containing a polyamide resin as a main component, and is mainly composed of an epoxy resin or a urea resin.
That is, the first agent containing the epoxy resin or the urea resin as a main component contains 40 to 50 parts by weight of an epoxy resin or urea resin, 2 to 5 parts by weight of a melamine resin, 5 to 10 parts by weight of a xylene resin, 10 to 15 parts by weight, and the second agent containing the polyamide resin as a main component is prepared by mixing 45 to 55 parts by weight of a polyamide resin, 3 to 6 parts by weight of 2,4,6- (dimethylaminomethyl) phenol, 5 to 10 parts by weight of acrylic resin, 10 to 15 parts by weight of isobutyl alcohol, and 3 to 5 parts by weight of methyl isobutyl ketone.
Further, in the present invention, the resin may be prepared such that the first agent which is the main agent and the second agent which is the hardener are compounded at a weight ratio of 4: 1 to 5: 1 and have a viscosity of 200 to 500 cps, There is a possibility that a sufficient adhesion force required for manufacturing the board can not be obtained or the curing time is increased.
4. Step of preparing a mixture of coffee powder, wood fiber and resin (S400)
The step (S400) of preparing a mixture of the coffee powder, the wood fiber and the resin is a step of mixing the coffee powder and the wood fiber with the resin to give the coffee powder and the wood fiber adhesiveness, and then stirring the mixture to prepare a mixed solution.
The coffee powder and the wood fiber are mixed in a weight ratio of 50 to 100 parts by weight of the coffee powder and 300 to 400 parts by weight of the wood fiber respectively in the step (S400) of preparing the mixture of the coffee powder, the wood fiber and the resin, If the amount of the resin is less than 500 parts by weight, the adhesive strength may be weak and the durability may be poor. If the amount of the resin is more than 800 parts by weight, There is a possibility that the durability of the
5. Substrate immersion step (S500)
The substrate immersion step (S500) is a step of impregnating the
In the substrate immersion step S500, various materials for manufacturing the
6. Ultraviolet ray irradiation and drying step (S600)
The ultraviolet ray irradiation and drying step S600 is a step of forming a
The ultraviolet ray irradiation and drying step (S600) may be performed using an ultraviolet ray irradiation apparatus, and the curing of the mixed solution may be carried out by irradiating ultraviolet rays onto the substrate (100) coated with the mixed solution for 50 to 80 minutes.
In the present invention, if the drying of the mixed liquid is performed for less than 50 minutes, the mixed liquid applied to the
7. Preparation of coating composition (S700)
The step of preparing the coating composition (S700) is a step of preparing a coating composition to be applied on the
In the present invention, it is possible to prepare a coating composition including a composition capable of imparting rigidity to the surface of the
The coating composition may be prepared by mixing a binder containing at least one of a monomer and an oligomer and a conductive polymer mixed at a ratio of 5 to 10 parts by weight based on 100 parts by weight of the binder as a whole, If it is contained in an amount of less than 5 parts by weight based on 100 parts by weight of the total amount, antistatic effect may be insufficient. If it exceeds 10 parts by weight, adhesion of the coating composition may be weakened.
The conductive polymer may be at least one selected from the group consisting of polyaniline, polypyrrole, polythiophene, polyethylene dioxythiophene, quaternary ammonium compounds, epoxidized amines, fatty acid esters, sulfated waxes or lithium amide complexes (Li-Amide complex).
As the binder, a thermosetting or photocurable binder including a monomer and an oligomer may be used. As the thermosetting binder, a water-soluble binder or a solvent-type binder may be used. Examples of the binder include an acrylic binder, a urethane binder, a urethane- A polymer binder which can be used with a curing agent such as a melamine curing agent or an epoxy curing agent may be used as a binder, an ester binder, an ether binder, an amide binder, an amide binder or an epoxy binder.
As the photocurable binder, various types of photopolymerizable resins having monofunctional to multifunctional groups may be used as the acrylic, urethane, urethane acrylic monomer or oligomer.
8. Application of coating composition and drying step (S800)
The step of applying and drying the coating composition (S800) is a step of coating the coating composition on the
In the coating and drying step (S800) of the coating composition, the coating composition may be formed on the
Further, in the coating and drying step (S800) of the coating composition, the coating composition can be dried at a temperature of 80 to 90 DEG C for 60 to 90 minutes after the application. When drying is performed within the above range, scratch resistance and durability A sheet having excellent physical properties can be produced.
As described above, in one embodiment of the method for manufacturing a built-in block board according to the present invention, the
3 is a cross-sectional view of a block board manufactured by laminating a plurality of substrates according to another embodiment of a built-in block board using the coffee powder according to the present invention.
Referring to FIG. 3, in another embodiment of the embedding block board using the coffee powder according to the present invention, the pressing step S550 of the laminated substrate, which is performed after stacking a plurality of substrates through the substrate immersion step (S500) ).
That is, in the pressing step (S550) of the laminated substrate, a plurality of substrates are laminated, the laminated substrate is pressed at a pressure of 70 to 80 kgf / cm 2 , the ultraviolet ray irradiation and drying step (S600) Min, and then dried to produce a block board having a plurality of substrates laminated thereon.
Hereinafter, embodiments of a built-in block board using coffee powder according to the present invention will be described in more detail with reference to the accompanying drawings.
<Examples>
By mixing the coffee powder, the wood fiber powder and the resin to prepare a mixed solution as in the above-described method for producing a built-up block board using the coffee powder according to the present invention, and applying the mixed solution onto the substrate made of wood, To prepare a built-in block board.
≪ Comparative Example 1 &
A block board according to Comparative Example 1 was prepared under the same conditions as in Example except that no coffee powder was used.
≪ Comparative Example 2 &
A block board according to Comparative Example 2 was prepared under the same conditions as in Example except that no wood fiber was used.
≪ Comparative Example 3 &
A block board according to Comparative Example 3 was prepared under the same conditions as those of the Example except that the coating layer was not formed using the coating composition.
≪ Flexural strength &
The block board manufactured according to the above-described Example and Comparative Examples 1, 2 and 3 was cut to a size of 1050 mm × 2000 mm × 350 mm to prepare a block board, and the flexural strength of the block board was measured.
As shown in Table 1, the block board according to the present invention comprises a
On the contrary, in the block board according to Comparative Example 1 in which coffee powder was not used, a flexural strength similar to that of the block board according to the present invention was obtained, but a block board according to Comparative Example 2 in which no wood fiber was used, It was confirmed that the flexural strength of the block board according to Comparative Example 3 was not good.
<Sensory Evaluation>
The sensory evaluation of the fragrance of the block board was carried out on the block board prepared according to the above Examples and Comparative Examples 1, 2 and 3. The sensory test was evaluated by the responses of 50 subjects, The criterion was a 9-point scoring method and is shown in [Table 2] below.
As shown in Table 3, it was confirmed that the block board prepared according to Examples and Comparative Examples 1, 2 and 3 improved the preference of the consumer when the block board including the coffee powder was produced.
This is because coffee powder is heated and powdered to be added to the block board, so that a fragrant smell of coffee is produced on the block board, which is considered to double the taste of consumers.
While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be possible. It is therefore to be understood that one embodiment described above is illustrative in all aspects and not restrictive.
10;
120; A
Claims (9)
A step 220 of preparing a wood fiber to be mixed with the coffee powder and pulverizing the wood fiber;
A resin manufacturing step (S300) of producing a resin which is mixed with the coffee powder and the wood fiber to give adhesiveness to a substrate;
A step (S400) of preparing a mixture of coffee powder, wood fiber and resin, which mixes the coffee powder and the wood fiber with a resin to mix the coffee powder and the wood fiber and then stirs the mixture to produce a mixture;
A base impregnation step (S500) of impregnating a base fluid into the mixture of the coffee powder, the wood fiber and the resin and coating the mixture on both sides of the base fluid;
An ultraviolet ray irradiation and drying step (S600) of forming a mixed liquid layer on both sides of the substrate by irradiating ultraviolet rays onto the substrate to which the mixed liquid is applied and drying the mixed liquid;
(S700) of preparing a coating composition for preparing a coating composition to be applied on the mixed liquid layer; And
(S800) of applying a coating composition for forming a coating layer by applying the coating composition on a substrate on which a mixed solution layer is formed and drying the coated composition,
In the resin manufacturing step (S300), the resin is prepared by mixing a first agent comprising an epoxy resin or urea resin and a second agent which is a curing agent comprising a polyamide resin,
The first agent is prepared by mixing 40 to 50 parts by weight of an epoxy resin or an urea resin, 2 to 5 parts by weight of a melamine resin, 5 to 10 parts by weight of a xylene resin and 10 to 15 parts by weight of isobutyl alcohol And the second agent is a resin composition comprising 45 to 55 parts by weight of a polyamide resin, 3 to 5 parts by weight of 2,4,6- (dimethylaminomethyl) phenol, 10 to 15 parts by weight of an acrylic resin, 5 parts by weight of isobutyl alcohol To 10 parts by weight and methyl isobutyl ketone in a weight ratio of 3 to 5 parts by weight, wherein the first and second agents are blended in a weight ratio of 4: 1 to 5: 1 to obtain a viscosity of 200 to 500 cps Wherein the step of preparing the block board comprises the steps of:
Wherein the coffee sludge is heated for 10 to 15 minutes at a temperature of 150 to 180 DEG C in the heating and crushing step (S100) of the coffee sludge, and the coffee sludge is pulverized to have an average particle size of 100 to 200 mu m. Method of manufacturing a block board for interior use using powder.
In the wood fiber pulverization step (S200), the wood fiber is pulverized to have an average particle size of 100 to 200 mu m, characterized by having a specific gravity ranging from 500 to 800 kg / m < 3 > and a moisture content ranging from 2 to 4 wt% Of a block board for interior use.
The coffee powder and the wood fiber are mixed in a weight ratio of 50 to 100 parts by weight of the coffee powder and 300 to 400 parts by weight of the wood fiber respectively in the step (S400) of preparing the mixture of the coffee powder, the wood fiber and the resin, And 500 to 800 parts by weight based on 100 parts by weight of the whole.
In the substrate immersion step (S500), the substrates include paper, wood, fabric, glass fiber, carbon, aramid, silicon, inorganic materials, or combinations thereof. Used,
Wherein the curing of the mixed solution in the ultraviolet ray irradiation and drying step (S600) is carried out by irradiating ultraviolet rays onto the substrate coated with the mixed solution for 50 to 80 minutes.
In the step of preparing the coating composition (S700), the coating composition is prepared by mixing a binder containing at least one of monomer and oligomer and a conductive polymer mixed at a ratio of 5 to 10 parts by weight based on 100 parts by weight of the binder as a whole However,
The conductive polymer may be at least one selected from the group consisting of polyaniline, polypyrrole, polythiophene, polyethylene dioxythiophene, quaternary ammonium compounds, epoxidized amines, fatty acid esters, sulfated waxes or lithium amide complexes (Li-Amide complex), and at least one selected from Li-
The binder can be used with a curing agent such as an acrylic binder, a urethane binder, a urethane-acrylic copolymer binder, an ester binder, an ether binder, an amide binder, an amide binder or an epoxy binder type such as a melamine curing agent or an epoxy curing agent A method for manufacturing a built-in block board using a coffee powder characterized by using a polymer binder.
In the coating and drying step (S800) of the coating composition, the coating composition is formed on the substrate to a thickness of 50 to 100 탆, and the coating composition is dried for 60 to 90 minutes at a temperature of 80 to 90 캜 after application A method for manufacturing a built-in block board using the coffee powder.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190097431A (en) | 2018-02-12 | 2019-08-21 | 정영길 | Method for manufacturing artificial wood with coffee deposits and production thereof |
| KR20190125273A (en) | 2019-10-31 | 2019-11-06 | 주식회사 행락 | Method for manufacturing plate type material for furniture containing synthetic board of composition of coffee sludge |
| KR20190124890A (en) | 2018-04-27 | 2019-11-06 | 김정권 | Method for manufacturing plate type material for architecture containing synthetic board of composition of coffee sludge |
| KR20190124885A (en) | 2018-04-27 | 2019-11-06 | 주식회사 이앤아이 컴퍼니 | Method for manufacturing plate type material for furniture containing synthetic board of composition of coffee sludge |
| KR20190143434A (en) | 2019-12-20 | 2019-12-30 | 김정권 | Method for manufacturing plate type material for architecture containing synthetic board of composition of coffee sludge |
-
2015
- 2015-10-28 KR KR1020150150409A patent/KR101733306B1/en active IP Right Grant
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190097431A (en) | 2018-02-12 | 2019-08-21 | 정영길 | Method for manufacturing artificial wood with coffee deposits and production thereof |
| KR102042857B1 (en) | 2018-02-12 | 2019-11-27 | 김순근 | Method for manufacturing artificial wood with coffee deposits and production thereof |
| KR20190124890A (en) | 2018-04-27 | 2019-11-06 | 김정권 | Method for manufacturing plate type material for architecture containing synthetic board of composition of coffee sludge |
| KR20190124885A (en) | 2018-04-27 | 2019-11-06 | 주식회사 이앤아이 컴퍼니 | Method for manufacturing plate type material for furniture containing synthetic board of composition of coffee sludge |
| KR20190125273A (en) | 2019-10-31 | 2019-11-06 | 주식회사 행락 | Method for manufacturing plate type material for furniture containing synthetic board of composition of coffee sludge |
| KR20190143434A (en) | 2019-12-20 | 2019-12-30 | 김정권 | Method for manufacturing plate type material for architecture containing synthetic board of composition of coffee sludge |
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