KR101724663B1 - Eco-friendly elastic pavement using waste particle board and polyurethane resin and constructing method thereof - Google Patents
Eco-friendly elastic pavement using waste particle board and polyurethane resin and constructing method thereof Download PDFInfo
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- KR101724663B1 KR101724663B1 KR1020160054437A KR20160054437A KR101724663B1 KR 101724663 B1 KR101724663 B1 KR 101724663B1 KR 1020160054437 A KR1020160054437 A KR 1020160054437A KR 20160054437 A KR20160054437 A KR 20160054437A KR 101724663 B1 KR101724663 B1 KR 101724663B1
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- particle board
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- waste particle
- polyurethane resin
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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
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
- E01C13/06—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003
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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
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
- E01C13/06—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003
- E01C13/065—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003 at least one in situ layer consisting of or including bitumen, rubber or plastics
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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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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
Description
The present invention relates to an environmentally friendly elastic packaging material using a waste particle board (PB) and a polyurethane resin, and a method of manufacturing the same.
Generally, it is difficult to keep the flatness of the original state of the road constant due to weather conditions such as rainfall, temperature, etc., or external conditions such as a person or a vehicle because the uncovered road surface is exposed to the soil layer in general. It is not appropriate to use the unpaved road surface as it is. Therefore, unpacked roads are packed with concrete or asphalt to minimize the change of road surface, so they are used as sidewalks, roads, plazas, and parking lots. Such a concrete or asphalt pavement surface has a disadvantage in that the surface of the pavement is hard and the impact absorbing force is lowered, resulting in jogging or a large load on the joints during walking, thereby adversely affecting not only fatigue but also health.
Therefore, recently, the pedestrian and open space that people mainly use for walking are packed with elastic packing material to improve the shock absorbing property, thereby reducing the fatigue caused by the walking of the pedestrian and protecting the health, and the pedestrian can feel a comfortable walking feeling In addition, by adding various pigments to the elastic packaging material, a variety of designs are added to the packaging surface to improve the sense of beauty. The elastic pavement using this elastic packing material can protect the joints of the pedestrian compared to the non-elastic pavement such as concrete, and minimizes safety accidents such as scratches and fractures even when the user falls down. And the floor surface of various sports facilities are increasing.
However, elastic materials such as waste tire chips and rubber chips are mainly used as elastic packaging materials currently used, which is undesirable from the human and environmental standpoints, such as unpleasant odor and emission of harmful substances. Therefore, in order to overcome the problems of elastic layer using waste tires and waste rubber chips and to substitute harmless and eco-friendly material for human body, technology using natural materials such as wood chip, sawdust, fiber, However, since the binding force with synthetic resin such as binder such as urethane binder is weak, the mechanical properties are inferior and practically not used (Fig. 1).
An example of an elastic packaging material to be used with such a natural material is Korean Patent No. 0764811, which discloses a method for manufacturing a wool wood fiber before or after curing in the process of manufacturing a wood wool board, The present invention relates to a packaging material using fibers and a method of constructing the same, and Korean Patent No. 0515439 discloses a flexible packaging material in which fibers are mixed with cotton, yarn, silk, natural or synthetic fibers. Korean Registered Patent No. 1091190 discloses flame-retardant color wood chips; A colored aggregate to be mixed with the flame-retarded color wood chips; And a high hardness polyurethane resin mixed or blended with a mixture of the flame-retarded color wood chip and the color aggregate, wherein 100 parts by weight of the flame-retardant color wood chip and the color aggregate mixture are mixed with the high- And the flame-retardant color wood chips are blended with waste wood fibers, which are colored with a ceramic paint, or wood chips 5 to 8 mm in size, which are crushed in a size of 3 to 8 mm and are made of flame retardant reinforced ceramic paint reinforced with flame- However, the waste particle board (PB) of the present invention is crushed to make chips, and the container solvent is sprayed on the waste particle board (PB) chip There is no mention of an environmentally friendly elastic packaging material that is mixed with a polyurethane resin.
The present invention relates to an environmentally friendly elastic packaging material using a waste particle board (PB) and a polyurethane resin, and a method of manufacturing the same. More specifically, the present invention relates to an environmentally friendly elastic packaging material using a KS standard (KS F 3888-2 The present invention has been accomplished on the basis of this finding by providing an eco-friendly elastic packaging material which is obtained by disintegrating a waste particle board (PB) chip to treat an organic solvent and then mixing with an urethane resin.
According to an aspect of the present invention, A primer layer; Lower layer; And the upper layer are sequentially laminated from the ground. The lower layer and the upper layer are crushed to a size of 2 to 8 mm in diameter, And 60 parts by weight of a polyurethane resin.
The present invention also relates to a magnetic recording medium comprising a base layer; A primer layer; A bottom layer characterized by comprising 30 to 60 parts by weight of a polyurethane resin mixed with 100 parts by weight of a waste particle board (PB) chip having a diameter of 6 to 8 mm and pulverized and sprayed with an organic solvent; And a waste particle board (PB) chip having a diameter of 2 to 4 mm and sprayed with an organic solvent, and a waste particle board (PB) chip having a diameter of 4 to 6 mm and treated with an organic solvent, And a polyurethane resin in an amount of 20 to 50 parts by weight based on 100 parts by weight of a waste particle board (PB) chip mixed at a weight ratio of 4:10 to 4:10, Thereby providing an eco-friendly elastic packaging material.
(1) forming a ground layer;
(2) applying a primer to the upper portion of the formed ground layer;
(3) 100 parts by weight of a waste particle board (PB) chip having a diameter of 6 to 8 mm and crushed into an organic solvent by spraying before the applied primer is completely cured, 30 to 60 parts by weight of a urethane binder To form a lower layer by laying the elastic packaging material so as to have a thickness of 20 to 30 mm;
(4) After the step (3), the waste particle board (PB) chip having a diameter of 2 to 4 mm is pulverized and sprayed with an organic solvent, and the organic solvent is pulverized to a size of 4 to 6 mm. An environmentally friendly elastic packaging material obtained by mixing 20 to 50 parts by weight of a polyurethane resin with 100 parts by weight of a waste particle board (PB) chip obtained by mixing a waste particle board (PB) chip at a weight ratio of 3 to 4:10, To form a top layer; And
(5) After the step (4), the step of curing after compaction and flattening work is provided.
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an environmentally friendly elastic packaging material using a waste particle board (PB) and a polyurethane resin, and a method of manufacturing the same. More particularly, the present invention relates to an elastic packaging material according to the KS standard (KS F 3888-2) Is crushed with chips and subjected to an organic solvent treatment, and then mixed with a urethane resin and used. The present invention also relates to a method of applying the environmentally friendly elastic packaging material. Since the environmentally resilient packaging material of the present invention includes a waste particle board (PB), it is not easily deformed by the difference in temperature such as during the winter season or the summer season. Especially, it is exposed to the sun under the same condition as the packaging material containing the rubber used in the summer The thermal conductivity is low, so that it is not easily heated.
In addition, particle board (PB), which is generated in large quantities in the process of disposing of buildings and household waste households, has a very low recycling rate and is mostly incinerated or landfilled. Therefore, it is expected to maximize recycling of resources and minimize environmental burden , The waste tire chip or the waste rubber powder can be substituted, thereby preventing the generation of odor and harmful substances, thereby making it possible to construct an environmentally friendly elastic packaging material for the human body and the environment. Therefore, it is possible to apply it to construction of large facilities such as school playground and track.
1 is a photograph showing a breakage phenomenon of an environmentally friendly cork chip elastic packaging material.
2 is a photograph of the chips (C, D) obtained by breaking the rubber chips (A, B) and the waste particle board (PB).
3 is a photograph of an elastic packaging material test piece (300 × 300 × 13 mm) prepared by mixing a rubber chip (A) and a waste particle board (PB) chip (B) with a polyurethane resin according to the KS F3888-2 standard .
Fig. 4 shows the difference in appearance between the natural wood fiber (A) and the waste PB (B).
5 is an electron micrograph of natural wood fibers (A, B) and waste PB (C, D).
Figure 6 shows a waste particle board (PB) chip with diameters of 2 to 4 mm (A), 4 to 6 mm (B) and 6 to 8 mm (C).
7 is a schematic view showing a multilayer structure of an environmentally friendly elastic packaging material using a waste particle board (PB) chip and a polyurethane resin. S10 is a ground layer; S20 is a primer layer; S30 is a lower layer; S40 is the upper layer.
The present invention relates to an undercoat layer; A primer layer; Lower layer; And the upper layer are sequentially laminated from the ground. The lower layer and the upper layer are crushed to a size of 2 to 8 mm in diameter, And 60 parts by weight of a polyurethane resin.
The undercoat layer and the primer layer can be formed according to the purpose of construction and the environment using a method and materials according to the KS standard (KS F 3888-2).
The upper layer is composed of a waste particle board (PB) chip having a diameter of 2 to 4 mm and sprayed with an organic solvent, a waste particle board (PB) chip having a diameter of 4 to 6 mm and sprayed with an organic solvent, Is mixed with 20 to 50 parts by weight of a polyurethane resin based on 100 parts by weight of a waste particle board (PB) chip mixed at a weight ratio of 3 to 4:10. However, the present invention is not limited thereto.
The lower layer is preferably a layer in which 30 to 60 parts by weight of a polyurethane resin is mixed with 100 parts by weight of a waste particle board (PB) chip having a diameter of 6 to 8 mm and pulverized and sprayed with an organic solvent. Do not.
The organic solvent is preferably a thinner, but is not limited thereto. Any organic solvent suitable for use in an elastic packaging material may be used. When the thinner is sprayed, the thinner is absorbed between the minute gaps of the waste PB chips, and when the polyurethane resin is mixed, the penetration and absorption of the polyurethane resin can be enhanced by the chip, so that the bonding force between the waste PB chip and the polyurethane resin And the waste PB chip of the present invention has a non-polar polyurethane resin, because the surface of the PB chip is coated with an adhesive and is non-polar, unlike polar wood.
Particleboard (PB) is a processing material made by cutting wood from waste wood, crushing the remaining waste into small pieces, and mixing the adhesive with high temperature and high pressure. The waste particle board (PB) Since it is made of 'particle board chip' which is shredded, it has a feature that its surface is coated with a non-polar adhesive. Therefore, it can be used as an elastic packaging material which is excellent in bonding force with non-polar polyurethane and is not easily broken.
In addition to the organic solvent, an oil-soluble preservative or an oil-soluble pigment may be added and spray-treated.
The usability preservative used in the present invention is suitable for the KS M 1701 standard and the National Forestry Academy Notice 2011-4 (Wood preservative / insecticide treatment standard), and the usability preservative is an organic iodine compound; Organic iodine-phosphorus compounds; Fatty acid metal salt system; And tetraconazole, propiconazole and 3-iodo-2-propynyl butylcarbamate (Tebuconazole, Propiconazole, IPBC), but the present invention is not limited thereto. The iodine compound is preferably 3-iodo-2-propynylbutylcarbamate (IPBC), and the organic iodine phosphorus compound is preferably 3-iodo-2-propynylbutylcarbamate phosphate (IPBCP). The fatty acid metal salt system is preferably copper naphthenate (NCU) or zinc naphthenate (NZN), but is not limited thereto.
The above-mentioned usable pigment can be generally used in the market, and can be used as long as it can express various colors of the elastic packaging material and is suitable for use in the elastic packaging material.
In the present invention, shredding refers to crumbling, crumbling and crumbling of chips.
The present invention also relates to a magnetic recording medium comprising a base layer; A primer layer; A bottom layer characterized by comprising 30 to 60 parts by weight of a polyurethane resin mixed with 100 parts by weight of a waste particle board (PB) chip having a diameter of 6 to 8 mm and pulverized and sprayed with an organic solvent; And a waste particle board (PB) chip having a diameter of 2 to 4 mm and sprayed with an organic solvent, and a waste particle board (PB) chip having a diameter of 4 to 6 mm and treated with an organic solvent, And a polyurethane resin in an amount of 20 to 50 parts by weight based on 100 parts by weight of a waste particle board (PB) chip mixed at a weight ratio of 4:10 to 4:10, And an eco-friendly elastic packaging material.
(1) forming a ground layer;
(2) applying a primer to the upper portion of the formed ground layer;
(3) 100 parts by weight of a waste particle board (PB) chip having a diameter of 6 to 8 mm and pulverized and sprayed with an organic solvent before the applied primer is completely cured, 30 to 60 parts by weight of a polyurethane Placing an eco-friendly elastic packaging material mixed with a resin so as to have a thickness of 20 to 30 mm to form a lower layer;
(4) After the step (3), the waste particle board (PB) chip having a diameter of 2 to 4 mm is pulverized and sprayed with an organic solvent, and the organic solvent is pulverized to a size of 4 to 6 mm. An environmentally friendly elastic packaging material obtained by mixing 20 to 50 parts by weight of a polyurethane resin with 100 parts by weight of a waste particle board (PB) chip obtained by mixing a waste particle board (PB) chip at a weight ratio of 3 to 4:10, To form a top layer; And
(5) a step of curing after compaction and planarizing after the step (4); and a method of applying the environmentally-friendly elastic packaging material.
In the present invention, curing means that after the compaction and flattening work in the case of the elastic packaging material, it is sufficiently protected and controlled so as not to be adversely influenced by temperature, load, impact, damage or breakage.
Hereinafter, the present invention will be described in more detail with reference to Examples. It is to be understood by those skilled in the art that these embodiments are merely illustrative of the present invention and that the scope of the present invention is not limited thereto.
Example One. In elastic packaging material Comparison of density, specific heat and thermal conductivity of the main materials used
The waste particle board PB used in the present invention is made of wood, and mainly made of pine. As shown in the following Table 1, since the specific heat of rubber is smaller than that of wood (pine) and the heat conductivity is large, the heat required for raising a certain temperature is smaller than that of wood. Therefore, when exposed to sunlight under the same conditions, The temperature rises easily and gets hot. That is, the eco-friendly elastic packaging material of the present invention is advantageous in that it can not easily heat up in the hot weather, such as summer, as compared with the conventional elastic packaging material using rubber.
Example 2. Rubber chip and Fabrication of a test piece mixed with a waste particle board chip with a polyurethane resin
An elastic packaging material test piece (300 x 300 mm x 13 mm thick) prepared by mixing the rubber chip (A) and the waste particle board (PB) chip (C) shown in Fig. 2 with a polyurethane resin and preparing them according to the KS F3888-2 standard, As shown in FIG. 3, the elastic packaging material test body using the waste particle board (PB) chip and the polyurethane resin mixture mixed at a weight ratio of 100: 20 of the present invention was made into a color and appearance It can be fabricated.
Example 3. Natural Wood fiber Characterization of chips with disrupted waste particle board (PB)
Natural wood fiber has polarity due to its exposed cellulosic and hemicellulose hydrophilic groups (-OH), and its bonding strength with nonpolar materials is weak. Therefore, the bonding force with the non-polar polyurethane resin used as the binder of the elastic packaging material is low.
The waste particle board (PB) chip of the present invention is produced by spraying and applying a synthetic resin adhesive to natural wood fiber, then pressing and curing at a high temperature of 110 ° C or higher at a high pressure, . Therefore, the waste particle board (PB) chip has a non-polar adhesive layer coated with a polarized woody part, so that its bonding strength with a non-polar polyurethane resin is superior to natural wood fiber.
As shown in FIG. 4, it can be seen that the appearance of the waste PB chip obtained by breaking the waste particle board (PB) of the present invention is different from that of the natural wood fiber. More specifically, in the photograph of the electron microscope , It can be seen that the waste PB chip is not directly exposed to the wood, and the adhesive layer is accumulated. On the surface of the natural wood fiber, the cell wall contracts due to the progress of the drying, Was coated with the adhesive applied when the PB was manufactured, and the surface of the fiber was not exposed, and it was confirmed that the form such as wrinkles could not be observed.
Example 4. Formaldehyde contained in the adhesive of the waste particle board (PB) In the amount of Safety Analysis for Korea
The waste particle board (PB) chip of the present invention uses a discarded product using a particle board (PB) having a formaldehyde dispersion amount below a certain standard regulated by the KS F 3200 standard and the National Forestry Academy Notice (Tables 2 and 3 ).
Therefore, the waste particle board (PB) chip included in the environmentally friendly elastic packaging material of the present invention is harmless to the human body and the environment.
Example 5. Using a waste particle board (PB) chip Of elastic packaging material Produce
1) Fragmentation of waste particle board (PB)
In the present invention, the waste particle board PB is crushed to a size of 2 to 4 mm, 4 to 6 mm and 6 to 8 mm, and a length of 20 to 50 mm (FIG. 6).
2) Mixture of waste particle board (PB) chip and polyurethane resin
In order to enhance penetration of the polyurethane resin through the microstructure of the crushed chip and increase the bonding force between the waste PB chip and the polyurethane resin, an organic solvent thinner was sprayed. The degree of spraying was such that the waste particle board (PB) chip was slightly wetted by the thinner. Thereafter, the penetration of the polyurethane resin was enhanced by mixing with the polyurethane resin before the thinner was completely evaporated.
The mixing ratio of the waste particle board (PB) chip and the polyurethane resin was differently mixed according to the upper and lower layers as described below.
(1) Upper layer (S40 in Fig. 7)
The upper layer of the environmentally friendly elastic packaging material is composed of a waste particle board (PB) chip having a diameter of 2 to 4 mm and sprayed with an organic solvent, a waste particle board (PB) chip having a diameter of 4 to 6 mm and sprayed with an organic solvent PB) chips were mixed at a weight ratio of 3:10, 30 kg of a polyurethane resin was blended with 100 kg of a waste particle board (PB) chip.
(2) Lower layer (S30 in Fig. 7)
The lower layer of the environmentally friendly elastic packaging material was crushed to a size of 6 to 8 mm and blended with 40 kg of polyurethane resin per 100 kg of waste particle board (PB) chip sprayed with an organic solvent.
3) Construction
① Elastic Packing before packaging (construction according to KS F 3888 standard)
The curing of the bottom surface was confirmed and all foreign materials that could cause defects in the construction were removed.
②Primer application
After priming the surface according to construction requirements, the primer was applied uniformly.
③ Installation
The mixture of the waste particle board chip and the polyurethane resin mixed as described above was uniformly laid to a thickness of 20 to 30 mm before the primer was completely cured.
After the lower layer was laid, the upper layer compound was uniformly laid on the upper part so as to have a thickness of 10 to 20 mm.
④ Compaction and leveling
As described above, the lower layer and the upper layer were double-laid, followed by sufficiently compacting and flattening with a roll before curing, and finished with a trowel heated with a burner or the like (FIG. 7).
Claims (10)
The lower layer was crushed to a size of 6 to 8 mm in diameter, and 100 parts by weight of a waste particle board (PB) chip sprayed with a thinner was sprayed on the waste particle board (PB) chip, Is a layer obtained by previously mixing 30 to 60 parts by weight of a polyurethane resin,
The upper layer is composed of a waste particle board (PB) chip having a diameter of 2 to 4 mm and sprayed with a thinner, and a waste particle board (PB) chip having a diameter of 4 to 6 mm, 20 to 50 parts by weight of a polyurethane resin was mixed with 100 parts by weight of a waste particle board (PB) chip mixed at a weight ratio of 4: 10 to a waste particle board (PB) chip before evaporation of the spray- Wherein the layer is one layer.
(2) applying a primer to the upper portion of the formed ground layer;
(3) 100 parts by weight of a waste particle board (PB) chip having a diameter of 6 to 8 mm and crushed to a thinner sprayed before the applied primer is completely cured, 30 to 60 parts by weight of Placing an environment-friendly elastic packaging material mixed with a polyurethane resin so as to have a thickness of 20 to 30 mm to form a lower layer;
(4) After the step (3), a waste particle board (PB) chip which has been crushed to a size of 2 to 4 mm in diameter and sprayed with a thinner is pulverized to a size of 4 to 6 mm in diameter, An environmentally friendly elastic packaging material obtained by mixing 20 to 50 parts by weight of a polyurethane resin with 100 parts by weight of a waste particle board (PB) chip obtained by mixing particle boards (PB) chips at a weight ratio of 3 to 4:10, To form an upper layer; And
(5) curing after compaction and leveling after step (4), wherein the thinner sprayed on the waste particle board (PB) chip in steps (3) and (4) A method for manufacturing an environmentally friendly elastic packaging material, which comprises mixing a polyurethane resin.
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| KR1020160054437A KR101724663B1 (en) | 2016-05-03 | 2016-05-03 | Eco-friendly elastic pavement using waste particle board and polyurethane resin and constructing method thereof |
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| KR1020160054437A KR101724663B1 (en) | 2016-05-03 | 2016-05-03 | Eco-friendly elastic pavement using waste particle board and polyurethane resin and constructing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190000164A (en) | 2017-06-22 | 2019-01-02 | 박성준 | Method for paving eco-friendly elastic paving materials |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000066624A (en) * | 1999-04-19 | 2000-11-15 | 송규훈 | The chemical composition of wood preservative |
| JP2006124236A (en) * | 2004-10-29 | 2006-05-18 | Yokohama Rubber Co Ltd:The | Hybrid aggregate, its producing method, paving material using the hybrid aggregate, and method for applying the same |
| KR100764811B1 (en) * | 2006-07-26 | 2007-10-08 | 주식회사 삼기칼라콘 | Pavement using waste wood fiber and a paving method |
| KR101627843B1 (en) * | 2015-11-10 | 2016-06-08 | 충남대학교산학협력단 | Eco-friendly elastic pavement using waste medium density fiberboard and polyurethane resin and constructing method thereof |
-
2016
- 2016-05-03 KR KR1020160054437A patent/KR101724663B1/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000066624A (en) * | 1999-04-19 | 2000-11-15 | 송규훈 | The chemical composition of wood preservative |
| JP2006124236A (en) * | 2004-10-29 | 2006-05-18 | Yokohama Rubber Co Ltd:The | Hybrid aggregate, its producing method, paving material using the hybrid aggregate, and method for applying the same |
| KR100764811B1 (en) * | 2006-07-26 | 2007-10-08 | 주식회사 삼기칼라콘 | Pavement using waste wood fiber and a paving method |
| KR101627843B1 (en) * | 2015-11-10 | 2016-06-08 | 충남대학교산학협력단 | Eco-friendly elastic pavement using waste medium density fiberboard and polyurethane resin and constructing method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190000164A (en) | 2017-06-22 | 2019-01-02 | 박성준 | Method for paving eco-friendly elastic paving materials |
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