KR101871855B1 - Process for producing eco-friendly cork chips with improved elongation, tensile strength and elasticity using natural material cork and method of packaging using the same - Google Patents
Process for producing eco-friendly cork chips with improved elongation, tensile strength and elasticity using natural material cork and method of packaging using the same Download PDFInfo
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- KR101871855B1 KR101871855B1 KR1020180008081A KR20180008081A KR101871855B1 KR 101871855 B1 KR101871855 B1 KR 101871855B1 KR 1020180008081 A KR1020180008081 A KR 1020180008081A KR 20180008081 A KR20180008081 A KR 20180008081A KR 101871855 B1 KR101871855 B1 KR 101871855B1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/0207—Pretreatment of wood before impregnation
- B27K3/0214—Drying
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/50—Mixtures of different organic impregnating agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
- B27N1/029—Feeding; Proportioning; Controlling
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C15/00—Pavings specially adapted for footpaths, sidewalks or cycle tracks
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/30—Coherent pavings made in situ made of road-metal and binders of road-metal and other binders, e.g. synthetic material, i.e. resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/30—Fireproofing
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
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- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The present invention relates to a method for producing a packaged cork chip for packaging which has improved elongation, tensile strength and elasticity by using a natural material cork, comprising the steps of putting a natural cork into a stirrer and drying for a predetermined time, A first agitating step in which 10 to 15 parts by weight of a high-elasticity polyurethane binder is added and the mixture is agitated for 2 to 3 minutes, and a second agitating step in which agitation is further carried out; .
Also, the present invention relates to a packaging method using an eco-friendly cork chip manufactured by the above manufacturing method, comprising the steps of: applying a primer to a packaging surface; forming a polyurethane middleweight in an area of 30 to 50 cm Applying a polyurethane binder to the packaging surface, laying a mixture of 1 to 100 parts by weight of the cork cakes prepared by the above method and 0.5 to 50 parts by weight of a polyurethane binder, A first curing step, a second curing step after coating the mixture on the mixture.
Accordingly, the processed cork chip for packaging manufactured according to the present invention can produce an eco-friendly product which is improved in elongation, tensile strength and elasticity by using natural cork having excellent workability by strengthening elasticity and tensile force. In the construction step, It is possible to provide a method of applying a polyurethane intermediate coating to a cork chip and a packaging surface to suppress the shrinkage and relaxation of the cork chip and the packaging surface to improve the adhesive strength.
Description
The present invention relates to a method of manufacturing an eco-friendly cork chip, which is improved in elongation, tensile strength and elasticity by using a natural material cork, and more particularly to a method of manufacturing a cork material by crushing a natural cork, Wherein the cork packaging and the boundary water have no denaturation (shrinkage and relaxation) due to a change in temperature when the packaging is carried out using the processed cork chip by manufacturing an environmentally friendly cork chip by coating calcium carbonate, A method of manufacturing an eco-friendly cork chip using the natural cork, wherein the cork chip does not fall off from the boundary and the bottom part, thereby improving the elongation, tensile strength and elasticity using a natural material cork, and a packaging construction method using the cork chip .
Recently, there have been a lot of examples of construction of eco-friendly cork materials for walking and bicycle roads in order to improve the convenience and health of residents. These roads are made of concrete or asbestos and the boundary is made of concrete or granite with a certain height at the edge, and the pavement is constructed by using the eco-friendly cork chip. The eco-friendly cork packaging constructed in this way has the flexibility, stretchability and compression recovery characteristics of the cork, and it can feel the cushion feeling and protect the health of the user by being harmless to the human body.
In processing the cork chip, there is a problem that the elasticity is lowered and the tensile strength is weakened due to low specific gravity, weak abrasion resistance and weak restoring characteristic which are characteristics of natural cork, and there is a problem in that the adhesion strength is weakened due to the contraction ratio .
As a result of efforts to improve the elasticity and tensile force of the processed cork chip and to develop harmless cork chips to the human body, the applicant has developed a high-elasticity polyurethane binder composed of components other than toluene, We have developed an eco-friendly cork chip with high tensile strength and have developed a construction method in which the cork package does not fall off the boundaries and bottom of the package by using materials that have no denaturation (shrinkage, relaxation)
It is an object of the present invention to solve the above-mentioned problems and to provide a method of manufacturing a cork cork, which comprises the steps of: shredding cork drying step, first stirring step, second stirring step, And a method of manufacturing an eco-friendly cork chip in which elasticity is improved.
Another object of the present invention is to provide a method for drying a cork made of natural materials, which comprises crushing natural cork with a crusher to a size of 2 to 3 mm, introducing the cork into a stirrer, Thereby improving the strength and elasticity of the cork chip.
It is still another object of the present invention to provide a method of mixing a natural high-strength polyurethane binder, which comprises 10 to 15 parts by weight of a high-elastic polyurethane binder per 100 parts by weight of a natural material cork being stirred in a stirrer, Which is improved in elongation, tensile strength and elasticity by using cork.
It is still another object of the present invention to provide a method for improving the elongation, tensile strength and elasticity using a natural material cork which is constituted by adding 0.5 to 10 parts by weight of a non-toxic pigment to 100 parts by weight of the natural material cork And a method for manufacturing an eco-friendly cork chip.
It is still another object of the present invention to provide a method for producing a cork material, which comprises adding 5 to 20 parts by weight of calcium carbonate to 100 parts by weight of a natural material cork to uniformly apply a highly elastic polyurethane binder to a natural material cork, And a method for manufacturing an eco-friendly cork chip in which the elongation, the tensile strength and the elasticity are improved by using a natural material cork which is configured to improve the abrasion resistance.
It is still another object of the present invention to provide a method for producing a polyurethane foam, wherein the secondary agitation step further comprises adding 10 to 15 parts by weight of a high-elasticity polyurethane binder to 100 parts by weight of natural cork after about 10 minutes after the primary agitation step And a method for manufacturing an eco-friendly cork chip in which the elongation, tensile strength and elasticity are improved by using a natural material cork which is configured to be agitated for 2 to 3 minutes.
It is still another object of the present invention to provide a method for producing a cork, which comprises adding 5 to 20 parts by weight of calcium carbonate to 100 parts by weight of a natural material cork, stirring the mixture for 3 to 5 minutes, The present invention also provides an eco-friendly cork chip manufacturing method in which an eco-friendly processed cork chip having a high specific gravity and a high abrasion resistance is prepared by applying a plurality of layers of calcium, thereby improving the elongation, tensile strength and elasticity.
It is still another object of the present invention to provide a method for drying and packaging a processed cork chip, which comprises: drying the processed cork chip manufactured in the above step for 10 minutes, and using the natural material cork configured to package the processed cork chip at room temperature An elongation, a tensile strength and an elasticity of the cork chip.
It is an object of the present invention to provide a method for producing a cured product, which comprises a step of applying a primer, a step of applying a polyurethane intermediate, a step of applying a polyurethane binder, a step of blending a mixture of a cork chip and a polyurethane binder, The present invention also provides a pouch construction method using an eco-friendly cork chip made of natural cork material.
Another object of the present invention is to provide a method of coating a primer with an eco-friendly cork chip made of a natural cork material, which is configured to apply a primer to the packaging surface in a thickness of 0.3 to 0.5 mm to block moisture coming from the ground And to provide a construction method.
It is a further object of the present invention to provide a method of coating a polyurethane intermediate weighted article comprising the steps of applying a polyurethane intermediate weight having a thickness of 0.3 to 0.5 mm to an area of 30 to 50 cm in width from a packing boundary attached to the packing surface, And to provide a packaging construction method using an eco-friendly cork chip manufactured from a material.
It is still another object of the present invention to provide a method for manufacturing a cork chip, wherein the step of applying the polyurethane binder comprises the steps of: applying a polyurethane binder to a packaging surface coated with a primer and a polyurethane intermediate, To provide a packaging construction method using the same.
It is still another object of the present invention to provide a method for manufacturing a cork cork chip, which comprises mixing a cork chip and a polyurethane binder and mixing the cork chip with a polyurethane binder, And to provide a packaging construction method using an eco-friendly cork chip made of cork material.
It is still another object of the present invention to provide a method of packaging using an eco-processed cork chip made of a natural cork material, which is configured to planarize and cure firstarily the placed mixture.
Yet another object of the present invention is to provide a packaging construction method using an eco-friendly cork chip made of a natural cork material configured to coat a coating material on the mixture after the first curing step is completed .
It is a further object of the present invention to provide a method of packaging using an environmentally-friendly cork chip made of a natural cork material composed of one or more of a UV blocking agent, a fire retardant agent and a flame retardant, .
In order to achieve the above object, the present invention provides a method for manufacturing an eco-friendly cork chip, which is improved in elongation, tensile strength and elasticity by using a natural material cork according to the present invention is characterized by comprising a crushed cork drying step, a primary agitation step, And drying and packaging the chips.
In the method for manufacturing an eco-friendly cork chip in which the elongation, tensile strength and elasticity are improved by using the natural material cork of the present invention, the natural cork is crushed by a crusher to a size of 2 to 3 mm , And the mixture is charged into an agitator and dried for a predetermined period of time.
The method for manufacturing an eco-friendly processed cork chip using the natural material cork according to the present invention, wherein the elongation, the tensile strength and the elasticity are improved, is characterized in that the primary stirring step is carried out at a rate of 10 to 15 parts by weight per 100 parts by weight of the cork, And a high-elastic polyurethane binder is added thereto and stirred for 2 to 3 minutes.
The method for manufacturing an eco-friendly cork chip using the natural material cork according to the present invention is characterized in that the non-toxic pigment is added in an amount of 0.5 to 10 parts by weight per 100 parts by weight of the natural cork, And the like.
In the eco-friendly cork chip manufacturing method of improving the elongation, tensile strength and elasticity using the natural material cork of the present invention, 5 to 20 parts by weight of calcium carbonate is added to 100 parts by weight of the natural material cork in the primary stirring step , And the high-elasticity polyurethane binder is evenly applied to the natural material cork so as to increase the specific gravity of the cork and improve the wear resistance.
The method of manufacturing an eco-friendly cork chip according to the present invention, wherein the elongation, tensile strength and elasticity are improved by using a natural material cork, is characterized in that the second agitation step comprises: after about 10 minutes after the primary agitation step, , 10 to 15 parts by weight of a high-elasticity polyurethane binder is further added and stirred for 2 to 3 minutes.
In the eco-friendly cork chip manufacturing method of improving the elongation, tensile strength and elasticity using the natural material cork of the present invention, in the second stirring step, 5 to 20 parts by weight of calcium carbonate is added to 100 parts by weight of the natural material cork And then further agitated for 3 to 5 minutes, whereby a highly elastic polyurethane binder and calcium carbonate are applied to the cork in multiple layers to produce an eco-processed cork chip having high specific gravity and good abrasion resistance.
The eco-friendly cork chip manufacturing method according to the present invention for improving the elongation, the tensile strength and the elasticity using the natural material cork is characterized in that in the drying and packaging step, the processed cork chip produced in the above step is dried for 10 times, And the processed cork chip is packaged at room temperature.
The packaging method using an environmentally-friendly cork chip made of a natural cork material of the present invention includes a primer application step, a polyurethane intermediate application step, a polyurethane binder application step, a step of mixing a processed cork chip and a polyurethane binder A mixture curing step, a mixture curing step, a curing step, and a secondary curing step.
The method for packaging using an eco-friendly cork chip made of a natural cork material according to the present invention is characterized in that the step of applying the primer is such that a primer is applied to the packaging surface in a thickness of 0.3 to 0.5 mm to block the moisture coming from the ground .
The method for packaging a cow with an environmentally-friendly cork material according to the present invention is characterized in that the step of applying the polyurethane intermediate coat comprises the steps of: Of the thickness of the polyurethane layer.
In the method of packaging using the eco-friendly cork chip manufactured by using the natural cork material of the present invention, in the step of applying the polyurethane binder, the polyurethane binder is applied to the packaging surface coated with the primer and the polyurethane middle .
The method for packaging a green cork material according to the present invention comprises the steps of mixing 1 to 100 parts by weight of a processed cork chip and 0.5 to 5 parts by weight of a polyurethane binder, And 50 parts by weight of a nonionic surfactant.
The method for paving construction using an eco-friendly cork chip made of a natural cork material of the present invention is characterized in that the first curing step is configured to planarize the first mixture and to cure the first mixture.
The paving method using an eco-friendly cork chip made of the natural cork material of the present invention is characterized in that the second curing step is configured to coat the coating material on the mixture after the first curing step.
The packaging method using the eco-friendly cork material made of the natural cork material of the present invention is characterized in that the coating material applied in the above step is formed by mixing one or more of the ultraviolet screening agent, fire retardant, and flame retardant .
The present invention as described above produces a processed cork chip using a cork which is a natural material obtained from cork oak. Therefore, eco-friendly packaging using the cork chip can be used, and it is possible to protect the health of the user by feeling the cushion feeling and being harmless to the human body because of the flexibility, stretchability and compression recovery characteristic of the cork.
Further, the processed cork chip manufactured using the natural material cork according to the present invention is characterized in that it is subjected to a step of stirring the high-elasticity polyurethane binder and the calcium carbonate two times. Therefore, a high elastic polyurethane binder and calcium carbonate are coated on the surface of the cork several times to prevent the coating rate from being reduced due to the self-adherence of the polyurethane binder itself, and to solve the problem of low specific gravity which is a disadvantage of natural cork, Elasticity and workability.
In general, the cork chip and the packaging boundary have different shrinkage ratios, and depending on the temperature, the shrinkage relaxes each, thereby causing no clearance, resulting in a glare and adversely affecting the overall packaging. In the method of packaging using the cork chip according to the present invention, the polyurethane middle layer is applied to a certain area of the packaging boundary and the packaging surface adjacent to the packaging boundary. Therefore, by using the above-mentioned polyurethane intermediate which has no denaturation (shrinkage and relaxation) in the temperature change, the shrinkage ratio between the cork package and the boundary water is minimized, so that the processed cork chip provides excellent quality do.
FIG. 1 is a step-by-step process diagram schematically showing a method for manufacturing an eco-friendly cork chip in which the elongation, tensile strength and elasticity are improved using a natural material cork according to the present invention.
FIG. 2 is a step-by-step process diagram schematically showing a packaging construction method using an eco-friendly cork chip manufactured by a method for manufacturing an eco-friendly cork chip according to the present invention.
3 (a) shows a primer applied to the packaging surface in order to perform packaging using an eco-friendly cork chip having improved elongation, tensile strength and elasticity using a natural material cork according to the present invention, and Fig. 3 (b) Is a polyurethane middle layer coated around the boundaries of the packaging connected to the packaging surface.
FIG. 4 (a) is a view showing a state where a packaging boundary packed with a packaging face packed in a conventional construction method is separated from a non-adhesive boundary, FIG. 4 (b) And the boundaries of the pavement connected with the pavement.
While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and are herein described in detail.
It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
The terms or words used in the present invention are used only to describe specific embodiments and are not intended to limit the present invention. It should be construed in the meaning and concept consistent with the technical idea of the present invention based on the principle that the concept of the term can be appropriately defined in order to explain the invention in the best way.
Detailed Description of the Preferred Embodiments The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. will be.
FIG. 1 is a step-by-step process diagram schematically showing a method of manufacturing an eco-friendly cork chip with improved elongation, tensile strength and elasticity using a natural material cork according to the present invention. FIG. 3 (a) is an explanatory view showing the steps of a process for packaging using environmentally-friendly cork chips manufactured by using an environmentally-friendly cork chip, which is improved in elongation, tensile strength and elasticity by using a natural material cork according to the present invention 3 (b) shows a state in which a polyurethane midway is applied around the boundaries of the pavement connected to the pavement surface, and Fig. 4 (a) shows a state in which a primer is applied on the pavement surface in the conventional construction method FIG. 4 (b) is a cross-sectional view of the eco-processed cork chip according to the present invention. And the boundaries between the packed packages and the packed boundaries are bonded.
The construction of the eco-friendly cork chip, which is improved in elongation, tensile strength and elasticity by using the natural material cork according to the present invention, and the construction of the material to be applied in the packaging construction using the cork chip are explained as follows.
1. Cork
The natural material cork of the present invention is made of a material having elasticity by stripping the bark portion of the cork oak. The cork oak used for cork production is ranked in the order of Portugal and Spain. Portugal accounts for 32.4% of the world's cultivated area and 22.2% for Spain. In terms of production, Portugal produces 61.3% of the annual production of 300,000 tons and 29.5% Spain occupies.
The raw cork oak has a shelf life of about 200 years. It can be harvested for about 25 years and collected every 10 years. The cork oak tree is taken about 20 times, and the first one or two times is poor quality, so it is possible to plant the tree after 45 years to get a firm cork.
Cork consists of suberin which is a hydrophobic substance and is used in various places due to its unique waterproof, floating, elasticity and fire resistance.
When the cork applied to the present invention is crushed with a crusher, the shape of the particles is irregular, and a cork chip having a thickness of 2 to 3 mm and a specific gravity of 0.05 to 0.15 is produced. The processed cork chip is an environmentally friendly natural material which does not detect heavy metals and hazardous materials. It is harmless to human body, has low specific gravity, high wear rate, and poor resilience.
In the present invention, a high-elasticity polyurethane binder and calcium carbonate are processed through a stirring process twice to form a processed cork chip, which is an eco-friendly packaging material having a high specific gravity and an increased elasticity and tensile strength as compared with a natural material cork.
2. Polyurethane resin
Polyurethane is a generic term for polymeric compounds made by the combination of an alcohol group (OH) and an isocyanic acid group (NCO). In the present invention, the hydrophilic fiber penetrates deeply into the cork chip to enhance ozone resistance, abrasion resistance and tensile strength.
Polyurethane-based resins include polyester-based and polyether-based resins. Polyester systems are made by reacting propylene glycol and ethylene glycol with adipic acid to make polyester, polyurethane and polymer. Also, the polyether system is made by mixing propylene oxide with some ethylene oxide to make a polyether first, and reacting OH groups at both ends with toluylene diisocyanocyanine to form a high molecular weight polyurethane.
A) Highly elastic polyurethane binder
The polyurethane resin applied to the eco-friendly cork chip using the natural material cork according to the present invention is a urethane binder for the elastic packing material, and the product name is ''. The components include 'toluene', 'methylenediphenylene isocyanate-polypropylene glycol polymer' and 'hydrotreated hydrocarbon, C6-20, polymeric compound'.
In the present invention, in order to produce an environmentally-friendly processed cork chip, 'toluene' containing harmful components is removed from the composition, and 1 to 100 parts by weight of 'methylenediphenylene isocyanate-polypropylene glycol polymer', hydrogenated hydrocarbon, C6-20, and 1 to 50 parts by weight of a polymer, to obtain a " high-elasticity polyurethane binder ".
The above-mentioned high-elasticity polyurethane binder is subjected to a process in which 10 to 15 parts by weight of each of the above-mentioned high-elasticity polyurethane binders are added to two parts of 100 parts by weight of natural cork.
B) Polyurethane midway
The product name of the polyurethane middleweight applied to the paving method using the eco-friendly cork material made of the natural cork material according to the present invention is 'CLEANTAN 2100 PLUS (curing agent) elastic urethane middle layer for waterproof waterproofing (HiGreen)'. The components are: limestone, polypropylene glycol, hydrotreated hydrocarbons, C6-20, polymeric polypropylene triols, dimethylbenzene, 4-methylenebis [2-chloroaniline] Hexanoic acid "ethylbenzene" and "lead oxide (II)".
The component content is 1 to 100 parts by weight of limestone, 1 to 50 parts by weight of polypropylene glycol, 1 to 10 parts by weight of hydrotreated hydrocarbon, C6-20, polymerized product, polypropylene triol, dimethylbenzene, 4,4- 0.1 to 10 parts by weight of [2-chloroaniline] and kaolin, and 0.01 to 10 parts by weight of 2-methylhexanoic acid, ethylbenzene and lead oxide (II), respectively.
The polyurethane intermediate according to the present invention is applied in a thickness of 0.3 to 0.5 mm to an area of 30 to 50 cm in width from the boundaries attached to the packaging surface to minimize the shrinkage relaxation rate between the cork package and the boundary, Ensure good adhesion without falling off the boundary and bottom.
3. Calcium carbonate
The eco-processed cork chip manufactured using the natural material cork according to the present invention includes calcium carbonate (CaCO 3 ) for the purpose of improving specific gravity and elasticity. In general, cork chips have a specific gravity of only 0.05 to 0.15, which is not suitable as a packaging material.
Calcium carbonate (CaCO 3 ) is a colorless crystal or a white solid with a specific gravity of 2.93 and decomposes at 825 ° C. It is readily available in nature and present as marble, calcite, limestone, shells, egg shells, corals, etc., and is cheap.
In the present invention, 5 to 20 parts by weight are added to 100 parts by weight of the natural cork twice, and stirred to increase the specific gravity.
4. Non-toxic pigments
The pigments applied to the present invention are very important for enhancing the color of artificial turf by changing the color of artificial turf filler and expressing artificial turf which is friendly to nature.
Therefore, it is necessary to use a non-toxic organic or inorganic pigment in the human body, and it is contained in an amount of 0.5 to 10 parts by weight based on 100 parts by weight of the cork chip.
5. Sunscreen
The present invention includes a sunscreen for the purpose of preventing heat and discoloration. The ultraviolet shielding component is largely divided into an inorganic shielding component and an organic shielding component. The inorganic barrier component is composed of titanium dioxide and zinc oxide, which are mainly composed of a salt, and the principle of reflecting ultraviolet rays is used. Organic blocking agents include various types such as ethylhexyl methoxycinnamate, butylmethoxydibenzoylmethane (Avobenzone), benzophenone-3 (oxybenzone), and terephthalylidene dicampersulfoneic acid. It is a principle to change.
The ultraviolet screening agent is prepared by placing a mixture of a processed cork chip and a polyurethane binder in a packaging construction method using an eco-friendly cork chip made of a natural cork material according to the present invention, planarizing the mixture, .
First, an eco-friendly cork chip manufacturing method in which an elongation, a tensile strength and an elasticity are improved by using a natural material cork according to the present invention is a method of manufacturing a cork chip for packing improved in elasticity, tensile strength and elongation by using a natural material cork .
≪ Example 1 > Production method of eco-friendly processed cork chip.
Referring to FIG. 1, an eco-friendly cork chip having improved elongation, tensile strength and elasticity using a natural material cork according to the present invention comprises (a) a shredded cork drying step (S100), (b) Step (S200), (c) secondary agitation step (S300), and (d) drying and packaging step (S400) of the processed cork chip.
(A) the shredded cork drying step (S100) of the eco-friendly cork chip manufacturing method of improving the elongation, tensile strength and elasticity using the natural material cork according to the present invention, To 3 mm, the mixture is put into a stirrer and dried for a predetermined time.
(B) the first stirring step (S200) of the eco-friendly processed cork chip manufacturing method in which the elongation, tensile strength and elasticity are improved by using the natural material cork according to the present invention is such that, with respect to 100 parts by weight of the natural material cork being stirred in the stirrer, , And 10 to 15 parts by weight of a high-elasticity polyurethane binder and stirring for 2 to 3 minutes.
In the (b) primary agitation step (S200) of the present invention, 0.5 to 10 parts by weight of a non-toxic pigment is added to 100 parts by weight of the natural material cork.
In this case, 5 to 20 parts by weight of calcium carbonate is added to 100 parts by weight of the natural cork to increase the specific gravity of the cork and improve the elongation, tensile strength, elasticity and abrasion resistance by applying a high-elasticity polyurethane binder to the natural cork .
(C) the second stirring step (S300) of the eco-processed cork chip manufacturing method wherein the elongation, the tensile strength and the elasticity are improved by using the natural material cork according to the present invention, After about 10 minutes after completion, 10 to 15 parts by weight of a high-elasticity polyurethane binder is further added to 100 parts by weight of natural cork, and the mixture is stirred for 2 to 3 minutes.
In the second agitation step (S300) of the present invention, 5 to 20 parts by weight of calcium carbonate is added to 100 parts by weight of the natural material cork, and the mixture is further stirred for 3 to 5 minutes. Thus, a high- And calcium carbonate are applied in multiple layers to produce an eco-processed cork chip having a high specific gravity and good abrasion resistance.
(D) drying and packaging the processed cork chip (S400) of the method for manufacturing an eco-friendly cork chip using the natural material cork according to the present invention in which the elongation, tensile strength and elasticity are improved, And the cork chip is dried for 10 times. And is also configured to package the processed cork chips manufactured at room temperature.
≪ Example 2 > Packing and Construction Method Using Eco-Friendly Cork Chip.
Referring to FIG. 2, a packaging construction method using an eco-friendly cork chip made of a natural cork material according to the present invention is related to a packaging construction method using an eco-friendly cork chip manufactured by the manufacturing method according to the first embodiment .
(A ') applying a primer (S100'), (b ') applying a polyurethane intermediate coat (S200'), and applying (S400 '), (e') a first curing step (S500 '), (c') applying a polyurethane binder (S300 '), (d') applying a mixed cork chip and a polyurethane binder (f ') second curing step (S600').
The primer application step (S100 ') of the above (a') of the packaging construction method using an environmentally-friendly cork chip made of a natural cork material according to the present invention is characterized in that a primer is applied to the packaging surface in a thickness of 0.3 to 0.5 mm, And is configured to block moisture coming in.
The step (S200 ') of applying the polyurethane middle layer (b') of the packaging construction method using the eco-friendly cork chip made of a natural cork material according to the present invention is a step (S200 ' And is configured to apply a polyurethane intermediate weight of 0.3 to 0.5 mm in thickness to an area of 50 cm.
When the pavement is applied, the boundaries of the pavement are made of concrete or granite, and the surface is smooth and the adhesion is very poor. Generally, in the case of construction packaging, the surface of the boundaries is roughly polished to improve the adhesive strength. However, the contraction ratio of the cork pavement and the boundary water are different from each other, and the shrinkage and relaxation are continued by the respective shrinkage rates according to the temperature change, It is difficult to completely bond, such as opening or falling easily. Since the polyurethane middle weight applied to the present invention has no property of denaturation (shrinkage and relaxation) in the temperature change, it is possible to minimize shrinkage relaxation between the environmentally-processed cork chip to be packaged in the future and the boundary, And acts to maintain the adhesive force without falling off the bottom portion.
In the step (S300 ') of applying the polyurethane binder (c') of the method for packaging using environmentally-friendly cork chips made of natural cork material according to the present invention, the step (S300 ') of applying the polyurethane binder Is coated with a polyurethane binder.
(C ') step (c') of installing the mixture (d ') of the method of packaging using environmentally-friendly cork chips made of natural cork material according to the present invention, in which the processed cork chip and the polyurethane binder are mixed, (S300 '), a mixture obtained by mixing 1 to 100 parts by weight of the processed cork chips prepared by the method according to the <Example 1> and 0.5 to 50 parts by weight of the polyurethane binder is installed.
(E ') the first curing step (S500') of the paving method using the eco-friendly cork chip made of the natural cork material according to the present invention is configured to planarize and cure the installed mixture first.
(F ') second curing step (S600') of the packaging construction method using an eco-friendly cork chip made of a natural cork material according to the present invention is characterized in that, after the first curing step is completed, .
The coating material applied in the step (f ') of the present invention is composed of one or more of a UV blocking agent, a fire retardant and a flame retardant.
The method for manufacturing an eco-friendly cork chip and the method for packaging using the eco-friendly cork chip according to the present invention, which have improved elongation, tensile strength and elasticity using the natural cork of the present invention, have the following characteristics.
The present invention produces a processed cork chip using a cork which is a natural material obtained from cork oak.
Therefore, environmentally friendly packaging is possible, and flexibility, stretchability and compression recovery characteristic of the cork are excellent, and the cushion feeling can be felt and the health of the user can be protected by harmless to the human body.
Further, the processed cork chip manufactured using the natural material cork according to the present invention is characterized in that it is subjected to a step of stirring the high-elasticity polyurethane binder and the calcium carbonate two times.
Therefore, a high elastic polyurethane binder and calcium carbonate are coated on the surface of the cork several times so that the polyurethane binder itself coalesces to suppress the decrease of the application ratio, and the problem of low specific gravity, which is a disadvantage of the natural material cork, is solved and the abrasion resistance, elongation, , Elasticity and workability are improved.
In general, the cork chip and the packaging boundaries have different shrinkage ratios, and depending on the temperature, they shrink and relax, respectively, resulting in a gap, resulting in adverse effects throughout the package.
In the method of packaging using the cork chip according to the present invention, the polyurethane middle layer is applied to a certain area of the packaging boundary and the packaging surface adjacent to the packaging boundary.
Therefore, by using the above-mentioned polyurethane intermediate which has no denaturation (shrinkage and relaxation) in accordance with the temperature change, the shrinkage rate between the cork package and the boundary water is minimized, and the quality of the processed cork chip is maintained, to provide.
Claims (5)
(a) a natural material cork having a size of 2 to 3 mm is charged into a stirrer and dried for a predetermined time (S100);
(b) a primary agitation step (S200) in which 10 to 15 parts by weight of a high-elasticity polyurethane binder is added to 100 parts by weight of a natural material cork being stirred in the agitator and stirring is performed for 2 to 3 minutes;
(c) a second agitation step (S300) of adding 10 to 15 parts by weight of a high-elasticity polyurethane binder to 100 parts by weight of the natural cork after the step (b) and stirring the mixture for 2 to 3 minutes; And
(d) drying and curing the processed cork chip manufactured in the step (c) for 10 minutes (S400)
(B) In the first stirring step (S200), 0.5 to 10 parts by weight of a non-toxic pigment and 5 to 20 parts by weight of calcium carbonate are added to 100 parts by weight of the natural cork,
(C) In the second stirring step (S300), 5 to 20 parts by weight of calcium carbonate is added to 100 parts by weight of the natural material cork, and the mixture is further stirred for 3 to 5 minutes. Thus, a high-elasticity polyurethane binder and calcium carbonate Wherein the cork material is applied in multiple layers, and the elongation, tensile strength and elasticity are improved by using a natural material cork.
(a ') applying a primer having a thickness of 0.3 to 0.5 mm (S100') to the pavement surface to block moisture in the ground portion;
(b ') a step (S200') of applying 0.3 to 0.5 mm of a modulus of polyurethane which is not denatured to a change in temperature, in an area of 30 to 50 cm in width from the package boundaries connected to the packaging surface;
(c ') applying the polyurethane binder to the packaging surface (S300') after the step (b ');
(d ') After step (c'), a step (S400 ') of admixing a mixture of 1 to 100 parts by weight of the processed cork chips produced by the method of claim 1 and 0.5 to 50 parts by weight of a polyurethane binder;
(e ') a step (S500') of flattening and curing the laid mixture; And
(f ') a step (S600') of applying a coating material on the mixture after the step (e ') and then curing the mixture for a second time,
Wherein the coating material applied in step (f ') is a mixture of one or more of ultraviolet screening agents, fire retardants and flame retardants, and is applied to the coating material in step (f').
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