KR20160092281A - Environment-friendly plywood using vegetable fibroid materials and method for preparing thereof - Google Patents
Environment-friendly plywood using vegetable fibroid materials and method for preparing thereof Download PDFInfo
- Publication number
- KR20160092281A KR20160092281A KR1020150012708A KR20150012708A KR20160092281A KR 20160092281 A KR20160092281 A KR 20160092281A KR 1020150012708 A KR1020150012708 A KR 1020150012708A KR 20150012708 A KR20150012708 A KR 20150012708A KR 20160092281 A KR20160092281 A KR 20160092281A
- Authority
- KR
- South Korea
- Prior art keywords
- sheet
- plywood
- eco
- mixture
- vegetable
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
-
- 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
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
- B27N3/12—Moulding of mats from fibres
-
- 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
- B27N5/00—Manufacture of non-flat articles
-
- 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
-
- 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
Abstract
More particularly, the present invention relates to an eco-friendly plywood using vegetable fiber and a method for producing the eco-friendly plywood. More specifically, the present invention relates to a method for producing an eco- The present invention relates to an eco-friendly plywood which is flame retardant, environmentally friendly, and excellent in economy, and a method for producing the same.
Description
More particularly, the present invention relates to an eco-friendly plywood using vegetable fiber and a method for producing the eco-friendly plywood. More specifically, the present invention relates to a method for producing an eco- The present invention relates to an eco-friendly plywood which is flame retardant, environmentally friendly, and excellent in economy, and a method for producing the same.
Plywood is a general term for building materials, finishing materials, interior materials and furniture manufacturing materials. It can be used as indoor and outdoor finishing materials for living space and work space including land and sea. Recently, flame retardancy and environment friendliness of materials It is not an exaggeration to say that it is mandatory, but the plywood must satisfy the sensitive and demanding conditions.
In view of the above, the present invention relates to a board coated with a biodegradable polymer at a thickness of 1 to 100 microns on a paper (or waste paper) base material. The above-mentioned polymer is not environmentally friendly, There is this bad problem.
In addition, in the case of Patent Document 10-1235736 (method for manufacturing panel for interior and exterior use), it is a base plate formed by sintering or heat-pressing at least one panel material powder selected from magnesium, yellow earth, charcoal, green tea, A substrate coated with an adhesive on one side of the base plate to adhere the coated substrate and coating an inorganic material on the substrate to form a coating layer and printing on the coating layer; The color room is arranged to be an array. This material is environmentally friendly and has some degree of flame retardant function, but it is vulnerable to impact, heavy in weight, high in manufacturing cost, and poor in economy.
Next, a description will be given of a patent document 10-2005-0048983 (a fire-retardant composite panel using a flame-retarded paper honeycomb as a core), which is a phenolic FRP plate made of a phenol resin on the outer side of a honeycomb- In the panel bonded together, the above-described core material may be coated with a flame-retardant paint or may be dried by immersion in a flame-retardant paint. This is a problem in that the material is not environmentally friendly.
Considering the honeycomb inner material, the panel having the honeycomb inner material and the method for manufacturing the honeycomb inner material, and the method for manufacturing the panel, it is possible to use a binder such as phenol resin, melamine resin, And the non-ferrous metal is coated thereon, the flame retarding function can be maintained to some extent, but the binder is not environmentally friendly.
Therefore, development of an environmentally friendly plywood has been demanded while solving the problem of moisture absorption, flame retardancy and toxicity.
Disclosure of Invention Technical Problem [8] Accordingly, the present invention has been made in view of the above problems, and it is an object of the present invention to provide an environmentally friendly plywood that is flame retardant, environmentally friendly, and economical.
In order to solve the above technical problems, the present invention provides a process for producing a mixture comprising a mixture of vegetable fiber and vegetable starch in a mass ratio of 8 to 12: 1; Drying the mixture; A pressing and molding step of producing a sheet by pressing and molding the dried mixture; A ceramic coating step of applying a liquid ceramic binder to the sheet and then heating to remove moisture; And a sheet heating step of heating the sheet having moisture removed thereto to produce a plywood sheet.
According to another aspect of the present invention, there is provided an environmentally friendly plywood produced by the above method.
The eco-friendly plywood according to the present invention is flame retardant, eco-friendly, and manufactured by recycling materials to be disposed of.
Hereinafter, the present invention will be described in more detail.
The method for manufacturing an eco-friendly plywood of the present invention comprises: a mixing step of preparing a mixture having a mass ratio of vegetable fiber and vegetable starch of 8 to 12: 1; Drying the mixture; A pressing and molding step of producing a sheet by pressing and molding the dried mixture; A ceramic coating step of applying a liquid ceramic binder to the sheet and then heating to remove moisture; And a sheet heating step for producing a plywood by heating the sheet having moisture removed therefrom.
The crusher, the drying apparatus, the spraying apparatus, the heat treatment apparatus, and the like described in the present specification can be manufactured by any known technique, and also commercially available products can be used.
In the mixing step, a mixture having a mass ratio of vegetable fiber and vegetable starch of 8 to 12: 1 can be prepared. The vegetable fiber, which is the main material of the present invention, can be recycled for disposal, so it is not only environmentally friendly but also can reduce the production cost, and the vegetable starch acts as a thickener and an extender. In addition, vegetable fiber and vegetable starch are environmentally friendly because they are harmless to the human body. The kind of vegetable fiber used in the present invention is not particularly limited, and for example, reed, bean pod, and the like can be used.
The vegetable fiber used in the mixing step may have a size of 5 cm or less in length and 5 cm or less in length and 5 cm or less in length (for example, 0.5 to 5 cm) The size of the crushing step can be reduced. The crushing step may be carried out using a crusher.
After the mixing step, a drying step of drying the mixture can be carried out. This is performed for the purpose of dehydrating water contained in the raw material, and is not particularly limited, but in the drying step, the mixture can be heated at 85 to 100 ° C for 4 to 10 minutes using a drier. When the drying step is carried out, the mixture of the vegetable fiber and the vegetable starch is dried and becomes in a state ready for molding.
In the press and molding step, the mixture dried in the drying step may be pressed and formed to produce a sheet. Although not particularly limited, it is possible to produce a plywood sheet form by applying pressure using a three-tone press and a molding die.
Though not particularly limited, the sheet may be manufactured to have a thickness of 3 cm to 30 cm and a width of 2 m to 2.5 m.
In the ceramic application step, a liquid ceramic binder (inorganic binder) is applied to the sheet produced in the pressing and molding step using an injection device, and then it can be heated. The liquid ceramic binder is an inorganic ceramic binder and has an excellent function as an environmentally friendly binder and has a nonflammable property. Although not particularly limited, the liquid ceramic binder may be coated with 5 to 30% by weight based on 100% of the total weight of the sheet.
Although not particularly limited, in the ceramic coating step, a sheet coated with a liquid ceramic binder using a drying roller can be heated at 80 to 100 ° C for 3 to 5 minutes to remove residual moisture.
In the sheet heating step, the laminated sheet can be produced by heating the sheet on which moisture has been removed. Although not particularly limited, the sheet paper from which moisture has been removed can be heated at 170 to 190 DEG C for 3 to 5 minutes by using a heating plate roller.
According to another aspect of the present invention, there is provided an environmentally friendly plywood produced by the above method.
Meanwhile, since the final plywood obtained by the practice of the present invention can be changed into various forms, the numerical values set forth above do not necessarily limit the present invention and can be increased or decreased as much as possible.
The materials and additives used in the present invention are environmentally friendly, and the siliceous liquid-phase ceramic binder plays an important role in ensuring that the plywood of the present invention has a flame retarding function.
The eco-friendly plywood of the present invention manufactured by the above-described method is flame retardant, environmentally friendly, and is manufactured by recycling the material to be disposed of. Therefore, it is more economical than conventional plywood.
Hereinafter, the present invention will be described in more detail with reference to examples and comparative examples. However, the scope of the present invention is not limited thereto.
[ Example ]
After the vegetable fiber (reed) was crushed to a length of 5 cm or less in length, a mixture having a weight ratio of vegetable fiber and vegetable starch of 10: 1 was prepared. Thereafter, the mixture was dried in a drier at 90 DEG C for 5 minutes and dehydrated, and then the dried mixture was pressurized using a 3-ton press and a molding die to prepare a sheet having a thickness of 20 cm and a width of 2.2 m. A liquid ceramic binder was applied to the prepared sheet in an amount of 20% by weight based on 100% by weight of the sheet, and then passed through a drying roller at 90 캜 for 5 minutes. Thereafter, the sheet from which moisture had been removed was heated in a hot plate roller of 180 DEG C for 4 minutes to produce an environmentally friendly plywood.
The produced green plywood was evaluated for flame retardancy based on the test method of KS F 2271: 1998 (conducted 3 times), and the results are shown in Table 1 below. In accordance with KS F 3104, whether or not the environment-friendly plywood meets the quality standards was measured, and the results are shown in Table 2 below.
As can be seen from Tables 1 and 2, the eco-friendly plywood of the present invention has excellent flame retardancy and is environmentally friendly. It was also found that the manufacturing cost can be reduced while ensuring the physical properties such as the bending strength and the peel strength in accordance with the quality standards.
Claims (6)
Drying the mixture;
A pressing and molding step of producing a sheet by pressing and molding the dried mixture;
A ceramic coating step of applying a liquid ceramic binder to the sheet and then heating to remove moisture; And
And a sheet heating step of heating the sheet from which moisture has been removed to produce a plywood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150012708A KR20160092281A (en) | 2015-01-27 | 2015-01-27 | Environment-friendly plywood using vegetable fibroid materials and method for preparing thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150012708A KR20160092281A (en) | 2015-01-27 | 2015-01-27 | Environment-friendly plywood using vegetable fibroid materials and method for preparing thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20160092281A true KR20160092281A (en) | 2016-08-04 |
Family
ID=56709358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020150012708A KR20160092281A (en) | 2015-01-27 | 2015-01-27 | Environment-friendly plywood using vegetable fibroid materials and method for preparing thereof |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20160092281A (en) |
-
2015
- 2015-01-27 KR KR1020150012708A patent/KR20160092281A/en unknown
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