KR20170022329A - Method for prepairing cork leather - Google Patents
Method for prepairing cork leather Download PDFInfo
- Publication number
- KR20170022329A KR20170022329A KR1020150117148A KR20150117148A KR20170022329A KR 20170022329 A KR20170022329 A KR 20170022329A KR 1020150117148 A KR1020150117148 A KR 1020150117148A KR 20150117148 A KR20150117148 A KR 20150117148A KR 20170022329 A KR20170022329 A KR 20170022329A
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- KR
- South Korea
- Prior art keywords
- cork
- fabric
- laminating
- nonwoven fabric
- sheet
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B7/00—Special leathers and their manufacture
- C14B7/02—Composite leathers
- C14B7/04—Composite leathers by cementing or pressing together leather pieces, strips or layers, Reinforcing or stiffening leather by means of reinforcing layers
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B1/00—Manufacture of leather; Machines or devices therefor
- C14B1/30—Pressing or rolling leather
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B1/00—Manufacture of leather; Machines or devices therefor
- C14B1/44—Mechanical treatment of leather surfaces
- C14B1/46—Fluffing, buffing, or sanding
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B13/00—Shredding hides or leather
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B7/00—Special leathers and their manufacture
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B2700/00—Mechanical treatment or processing of skins, hides or leather in general; Pelt-shearing machines; Making driving belts; Machines for splitting intestines
- C14B2700/11—Machines or apparatus for cutting or milling leather or hides
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B2700/00—Mechanical treatment or processing of skins, hides or leather in general; Pelt-shearing machines; Making driving belts; Machines for splitting intestines
- C14B2700/12—Pressing or rolling leather
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Textile Engineering (AREA)
- Composite Materials (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to a method of manufacturing natural cork leather, and more particularly, to a method of manufacturing a natural cork leather by using a cork skin, which is a natural material, and has sufficient abrasion resistance and tensile strength, The present invention relates to a method of producing a natural cork leather which can obtain natural cork leather.
A method of manufacturing a natural cork leather according to the present invention is a method of manufacturing a natural cork leather using natural cork to produce a natural cork leather, the method comprising: a cork fabric manufacturing step of manufacturing a cork fabric with a cork bark; A nonwoven fabric laminating step of laminating a nonwoven fabric sheet on one side of the cork fabric manufactured in the manufacturing step, a PU laminating step of laminating a polyurethane fiber sheet on the outer surface of the nonwoven fabric sheet of the cork fabric laminating the nonwoven fabric sheet in the nonwoven fabric laminating step And a resin coating step of applying and coating a resin on the other surface of the cork fabric laminating the polyurethane fiber sheet in the PU laminating step.
Description
The present invention relates to a method of manufacturing natural cork leather, and more particularly, to a method of manufacturing a natural cork leather by using a cork skin, which is a natural material, and has sufficient abrasion resistance and tensile strength, The present invention relates to a method of producing a natural cork leather which can obtain natural cork leather.
Cork is an evergreen tree belonging to oak tree. It is light in weight, has excellent stretchability, breathability and impact absorption ability, and has strong friction and low thermal conductivity. It is used for various purposes such as flooring and panel. It is common to use a mixed cork mixed resin and the like.
Korean Patent Laid-Open Publication No. 1995-27098 discloses a "cork wallpaper and its manufacturing method" which is produced by bonding a cork layer cut with a proper thickness to a suitable thickness after cork heat treatment, and this method is harmful to the human body, to be.
On the other hand, since the cork has low abrasion resistance, it is often coated with polyurethane in order to solve this problem, and this case is also harmful to the human body.
Recently, natural leather is widely used in products such as bags and cell phone cases. However, leather is difficult to process because its processing process is difficult and animal material, and its transformation into various designs is limited.
SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a cork skin which has sufficient wear resistance and tensile strength, The present invention provides a method for producing a natural cork leather which can obtain such natural cork leather.
According to another aspect of the present invention, there is provided a method of manufacturing a natural cork leather using natural cork, A nonwoven fabric laminating step of laminating a nonwoven fabric sheet on one side of a cork fabric fabricated in the cork fabric fabricating step, a nonwoven fabric laminating step of laminating a nonwoven fabric sheet on the outer surface of the nonwoven fabric laminating the non- And a resin coating step of applying and coating a resin on the other surface of the cork fabric laminated with the polyurethane fiber sheet in the PU laminating step.
According to the present invention, there is also provided a method of manufacturing a cork skin, comprising the steps of: cork bark ripening and drying step of boiling the dried cork bark into steam and drying the cork bark; A cork cube manufacturing step of cutting a rough cork bark slice and press-forming the cut slice to manufacture a cube, and a fabric slice cutting step of slicing the cork cube manufactured in the cork cube manufacturing step to obtain a cork fabric .
The method of manufacturing a natural corkscrew according to the present invention is characterized in that the cork cube is manufactured by slicing a cork bark having passed through the cork bark ripening and drying step with a predetermined width and length, Are arranged so as to overlap each other in the longitudinal direction and in the transverse direction, and are pressure-molded with an adhesive to produce a cork cube.
The method of manufacturing a natural corkscrew according to the present invention is characterized in that the corkscrew manufacture step comprises slicing a cork bark having undergone the cork bark ripening and drying step and pressing the sliced cut slice into a molding mold Thereby manufacturing a cork cube.
In addition, the method of manufacturing a natural corkscrew according to the present invention may further comprise a sanding step of flatly sanding the other surface of the cork fabric laminating the nonwoven fabric sheet, wherein the resin coating step is performed on the other surface of the sanded cork fabric And the resin is applied.
The method of manufacturing a natural cork leather according to the present invention is characterized in that the step of laminating the nonwoven fabric comprises the steps of inserting a thermoplastic polyurethane film between one side of the cork fabric prepared in the cork fabric manufacturing step and the nonwoven fabric sheet, And the PU laminating step is characterized in that a thermoplastic polyurethane film is inserted between the nonwoven fabric sheet of the cork fabric laminating the nonwoven fabric sheet and the polyurethane fiber sheet to laminate and bond the nonwoven fabric sheet and the polyurethane sheet .
According to the above-described construction, the method of manufacturing natural cork leather according to the present invention can replace an animal natural leather with a sufficient wear resistance and tensile strength by using a natural cork shell, This has the advantage of being able to obtain natural cork leather.
FIGS. 1A and 1B are flowcharts illustrating a method of manufacturing a natural cork according to an embodiment of the present invention.
2 is a cross-sectional view showing a cross section of a natural cork skin produced by a method of manufacturing a natural cork according to an embodiment of the present invention
FIG. 3A is a photograph showing a state in which a cork bark having been steamed and dried is sliced and standardized
FIG. 3B is a photograph showing a state in which a cork bark sliced in a normalized state is laminated and pressure-formed
4A is a photograph showing a state in which the cork bark that has been matured and dried is cut sliced in an unfixed form
FIG. 4B is a photograph showing a cork cube manufactured by press-molding a sliced cork bark into a mold
5 is a photograph showing a process of manufacturing a cork fabric by slicing a cork cube
Hereinafter, a method of manufacturing a natural cork leather according to the present invention will be described in detail with reference to the drawings and examples.
FIG. 1 is a flow chart showing a method of manufacturing a natural cork according to an embodiment of the present invention. FIG. 2 is a cross-sectional view of a natural cork skin produced by a method of manufacturing a natural cork according to an embodiment of the present invention. 3B is a view showing a state in which a cork bark cut sliced in a normalized state is laminated and press-formed. Fig. 3B is a photograph showing a state in which a cork bark, FIG. 4A is a photograph showing a state in which a cork bark which has been smoothed and dried is cut sliced in an unfixed form, FIG. 4B is a photograph showing a state in which a cork bark produced by press molding a sliced cork bark Fig. 5 is a photograph showing a process of manufacturing a cork fabric by slicing a cork cube.
The present invention relates to a method for producing natural cork leather using natural cork, which comprises a cork fabric manufacturing step (S10), a nonwoven laminating step (S20), a sanding step (S30), a PU laminating step (S40) And a resin coating step (S50).
The cork fabric manufacturing step (S10) is a step of manufacturing a cork fabric with a cork bark. Referring to the drawings, the cork fabric manufacturing step (S10) includes a cork bark ripping and drying step (S11), a cork cube manufacturing step (S12), a fabric And a slice manufacturing step (S13).
The cork bark ripening and drying step (S11) is a step of boiling the dried cork bark into steam and drying it.
The natural cork bark is harvested without cutting, and the extracted natural cork bark is dried for 6 months to 1 year. The first dried cork bark is boiled in the steam and then dried again for a second time. As described above, the cork bark, which has been smoothed and dried, is flattened by the boiling process, and the texture becomes dense and the texture softens.
In the step of manufacturing the cork cube (S12), the cork bark obtained through the cork bark ripening and drying step (S11) is sliced, and the cut slice is press-formed to manufacture a cube. The cube thus produced is sliced and cut into cork fabrics. The pattern of the cork fabric is variously formed according to a method of stacking the cut slices in the process of forming the cube.
For example, if a regular pattern of cork fabric is to be obtained, the cork bark that has undergone the cork bark ripening and drying step (S11) is regularly laminated to form a cork cube. More specifically, the cork bark that has undergone the cork bark ripening and drying step (S11) is sliced to have a predetermined width and length, and the cut slices are arranged so as to overlap each other in the longitudinal direction or the transverse direction, The cork cube is produced by press molding. 3A and 3B are photographs showing such a process. FIG. 3A is a photograph showing a state in which the cork bark, which has undergone the cork bark ripening and drying step (S11), has been sliced into a predetermined width and length (width 10 cm x length 15 cm) and standardized. The cork bark sliced in the normalized state as described above is laminated in the transverse direction or the longitudinal direction, and ISAR SC 495/5 adhesive is applied between the laminated slices and pressed to form a cork cube having a size of 950 mm x 650 mm do. At this time, it is preferable that the bonding temperature is 30 DEG C or more and the compression strength is 100 kpa or more. FIG. 3B is a photograph showing a state in which a sliced cork bark in a standardized state is laminated and press-formed.
Next, in order to obtain irregularly shaped cork fabric, the cork bark is irregularly laminated by the cork bark ripening and drying step (S11) to form a cork cube. More specifically, the cork bark that has undergone the cork bark ripening and drying step (S11) is sliced at an irregular level, and the sliced slices are molded into a molding die to produce a cork cube.
FIG. 4A is a photograph showing a state in which a dried cork bark, which has undergone the cork bark ripening and drying step (S11), has been sliced in an unformed manner. The cork bark, which is sliced without slicing, is placed in a 950 mm X longitudinal 650 mm frame with a cork bark and a cork cube is formed with a compression strength of 200 kpa or more. FIG. 4B is a photograph showing a cork cube manufactured by press-molding a cork bark sliced in a non-standardized form into a mold.
The fabric slice manufacturing step (S13) is a step of slicing the slice cue produced in the step (S12) of manufacturing the cork cube to obtain a cork fabric. 5 is a photograph showing a process of manufacturing a cork fabric by slicing a cork cube. The slice fabric is preferably sliced to a thickness of 0.6 to 1.0 mm.
The step S20 of laminating the nonwoven fabric is a step of laminating and bonding the nonwoven fabric sheet to one surface of the cork fabric fabricated in the cork fabric fabricating step S10. That is, the cork fabric (950 mm in length x 650 mm in length, 0.6 to 1.0 mm in thickness) manufactured in the cork fabric manufacturing step (S10) was extruded using a 0.1 mm thermoplastic polyurethane film (TPU film) First laminate over sheet (0.05t). The nonwoven fabric sheet is interposed between the cork fabric and the polyurethane fiber sheet to be laminated in the next step to reinforce the strength of the natural cork leather. The thermoplastic polyurethane film is used as an adhesive film for bonding the cork fabric and the nonwoven fabric sheet.
The sanding step S30 is a step of flatly sanding the other surface of the cork fabric laminating the nonwoven fabric sheet. The laminated cork fabric of the nonwoven sheet is not sliced to a constant thickness due to its elasticity when slicing the cork cube, so that the thickness is not constant. In the present invention, the cork fabric is processed to a predetermined thickness through the sanding process. It is preferable that the total thickness of the cork fabric laminated with the nonwoven fabric sheet by sanding is in the range of 0.35 to 0.45 mm since it can satisfy the quality of natural cork leather such as strength and flexibility of the product.
The PU laminating step S40 is a step of laminating the polyurethane fiber sheet to the outer surface of the nonwoven fabric sheet of the cork fabric laminating the nonwoven fabric sheet in the nonwoven fabric laminating step S30. That is, in the nonwoven fabric laminating step S30, the cork fabric (total thickness 0.35 to 0.45 mm) laminated with the nonwoven fabric sheet was coated with a PU (polyurethane) fiber sheet (thickness 0.7 to 0.9 mm) using TPU film mm) with a 180 ° compression strength at a pressure of 1 m / bar.
The resin coating step S50 is a step in which the resin is coated on the other surface of the cork fabric laminating the polyurethane fiber sheet laminated in the PU laminating step S40. The resin is preferably a polyurethane such as a laminated polyurethane fiber sheet, and the coating is performed by spraying or applying the resin onto the other surface of the cork fabric which is sanded with the resin solution.
The method of manufacturing the natural cork leather described above and shown in the drawings is only one embodiment for carrying out the present invention and should not be construed as limiting the technical idea of the present invention. The scope of protection of the present invention is defined only by the matters set forth in the following claims, and the embodiments improved and changed without departing from the gist of the present invention are obvious to those having ordinary skill in the art to which the present invention belongs It will be understood that the invention is not limited thereto.
1 resin coating layer
2 Cork Fabric Layer
3 nonwoven sheet layer
4 PU fiber sheet layer
Claims (7)
A cork fabric manufacturing step of manufacturing a cork fabric with a cork bark,
A nonwoven fabric laminating step of laminating a nonwoven fabric sheet on one side of the cork fabric fabricated in the cork fabric fabricating step,
A PU laminating step of laminating a polyurethane fiber sheet on the outer surface of the nonwoven fabric sheet of the cork fabric laminating the nonwoven fabric sheet in the nonwoven fabric laminating step;
And a resin coating step of applying and coating a resin on the other surface of the cork fabric laminating the polyurethane fiber sheet in the PU laminating step.
The cork fabric manufacturing step includes a cork bark ripening and drying step in which the dried cork bark is steamed and dried,
A cork cube manufacturing step of slicing a cork bark obtained through the cork bark ripening and drying step and pressing the cut slice to produce a cube,
And a fabric slice cutting step of slicing the cork cube produced in the cork cube manufacturing step to obtain a cork fabric.
The cork cube manufacturing step comprises slicing the cork bark having passed through the cork bark ripening and drying step to have a predetermined width and length and arranging the cut slices so that the fibers are overlapped in the longitudinal direction and the transverse direction, Wherein the cork cube is produced by molding.
Wherein the cork cube is manufactured by slicing a cork bark obtained through the cork bark ripening and drying step and then molding the sliced slice into a molding die to produce a cork cube. Way.
Further comprising a sanding step of flatly sanding the other surface of the cork fabric laminating the nonwoven fabric sheet,
Wherein the resin coating step is performed by applying a resin to the other surface of the sanded cork fabric.
The laminating the nonwoven fabric may include laminating and bonding a cork fabric and a nonwoven fabric sheet by inserting a thermoplastic polyurethane film between one side of the cork fabric and the nonwoven fabric sheet produced in the cork fabric manufacturing step,
Wherein the PU laminating step comprises laminating the nonwoven fabric sheet and the polyurethane sheet by inserting a thermoplastic polyurethane film between the nonwoven fabric sheet of the cork fabric laminating the nonwoven fabric sheet and the polyurethane fiber sheet, Way.
The laminating the nonwoven fabric may include laminating and bonding a cork fabric and a nonwoven fabric sheet by inserting a thermoplastic polyurethane film between one side of the cork fabric and the nonwoven fabric sheet produced in the cork fabric manufacturing step,
Wherein the PU laminating step comprises laminating the nonwoven fabric sheet and the polyurethane sheet by inserting a thermoplastic polyurethane film between the nonwoven fabric sheet of the cork fabric laminating the nonwoven fabric sheet and the polyurethane fiber sheet, Way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150117148A KR101801166B1 (en) | 2015-08-20 | 2015-08-20 | Method for prepairing cork leather |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150117148A KR101801166B1 (en) | 2015-08-20 | 2015-08-20 | Method for prepairing cork leather |
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| KR20170022329A true KR20170022329A (en) | 2017-03-02 |
| KR101801166B1 KR101801166B1 (en) | 2017-11-24 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220163087A (en) | 2021-06-02 | 2022-12-09 | 대한민국(농촌진흥청장) | Method of preparing Leather substitute material comprising Ganoderma lucidum Mycelium |
| WO2023214798A1 (en) * | 2022-05-06 | 2023-11-09 | 주식회사 마이셀 | Method for manufacturing mycelium into leather using plant-derived polyphenol group |
| KR102648010B1 (en) | 2023-09-13 | 2024-03-15 | 주식회사 마이띵스 | Device for cultivating mushroom mycelium |
| KR102648012B1 (en) | 2023-09-13 | 2024-03-15 | 주식회사 마이띵스 | Device for double culture of mushroom mycelium |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108729251B (en) * | 2018-07-18 | 2021-07-20 | 华伦皮塑（苏州）有限公司 | Environment-friendly PU leather for flower-type basketball and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100790580B1 (en) | 2006-12-04 | 2008-01-03 | 장상준 | Cork sheet having adhesinveness |
| KR101274750B1 (en) * | 2013-01-03 | 2013-06-17 | 한일이화주식회사 | Home appliances case using cork and manufacturing method thereof |
-
2015
- 2015-08-20 KR KR1020150117148A patent/KR101801166B1/en active IP Right Grant
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20220163087A (en) | 2021-06-02 | 2022-12-09 | 대한민국(농촌진흥청장) | Method of preparing Leather substitute material comprising Ganoderma lucidum Mycelium |
| WO2023214798A1 (en) * | 2022-05-06 | 2023-11-09 | 주식회사 마이셀 | Method for manufacturing mycelium into leather using plant-derived polyphenol group |
| KR102648010B1 (en) | 2023-09-13 | 2024-03-15 | 주식회사 마이띵스 | Device for cultivating mushroom mycelium |
| KR102648012B1 (en) | 2023-09-13 | 2024-03-15 | 주식회사 마이띵스 | Device for double culture of mushroom mycelium |
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| Publication number | Publication date |
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| KR101801166B1 (en) | 2017-11-24 |
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