KR20160101237A - Elastic materials for pavement and construction method using the same - Google Patents
Elastic materials for pavement and construction method using the same Download PDFInfo
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- KR20160101237A KR20160101237A KR1020150022642A KR20150022642A KR20160101237A KR 20160101237 A KR20160101237 A KR 20160101237A KR 1020150022642 A KR1020150022642 A KR 1020150022642A KR 20150022642 A KR20150022642 A KR 20150022642A KR 20160101237 A KR20160101237 A KR 20160101237A
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- elastic material
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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
- E01C11/00—Details of pavings
- E01C11/16—Reinforcements
- E01C11/165—Reinforcements particularly for bituminous or rubber- or plastic-bound pavings
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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
- E01C2201/00—Paving elements
- E01C2201/10—Paving elements having build-in shock absorbing devices
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Floor Finish (AREA)
- Road Paving Structures (AREA)
Abstract
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elastic material for bottom packing which is packed on the floor of a facility such as a stadium, a school, a playground or a park, and a method for the elastic material for floor packing. More particularly, The present invention relates to an elastic material for floor pavement which is reinforced with insufficient cork which is not easy to be firmly fixed, and which is capable of easily and firmly applying the above-mentioned elastic material for floor pavement .
In addition, since the inorganic additive contained in the binder is bonded to the cork particles as the main ingredient, the cork chip can not float to the upper part of the binder in the liquid state when the binder and the cork chip are mixed, thereby inducing uniform mixing between the binder and the cork chip The effect can be obtained; Since the cork is uniformly mixed in the binder as described above, the effect of solving the problem of pushing the cork chip by the movement of the heat roller of the heat roller device can be obtained; Even when the elastic material is applied to the floor, it is possible to achieve the effect of completing the floor wrapping construction by performing the application of the elastic material only a few times without performing the application and curing operations a plurality of times; It is possible to obtain an effect of securing the elasticity by the cork which is the main material and improving the physical strength and flame retardancy.
Description
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elastic material for bottom packing which is packed on the floor of a facility such as a stadium, a school, a playground or a park, and a method for the elastic material for floor packing. More particularly, The present invention relates to an elastic material for floor pavement which is reinforced with insufficient cork which is not easy to be firmly fixed, and which is capable of easily and firmly applying the above-mentioned elastic material for floor pavement .
Generally, elastic and permeable packaging materials are laid on the floor of facilities such as stadiums, schools, playgrounds or parks to form an elastic pavement layer, thereby relieving unpleasant shocks to the human body by buffering effect, Accident prevention and improvement of landing feeling are improved.
In recent years, a cork, which is a natural material, has been proposed as a main material for forming the elastic packing layer. However, since the specific gravity of the cork is very low, the cork mixed with the binder easily floats on the upper part of the binder, There has been a problem that the corrugated sheet, which is raised to the upper part of the binder, is pushed by the rollers when the layer is pressed by pressing the roller.
The following is a representative conventional technique for flooring elastic material using cork.
Korean Patent Laid-Open No. 10-2012-0002773 (2012.01.09) relates to a water permeable and elastic floor packing material using cork, and in a floor wrapping material mainly composed of a waste rubber chip and a binder, a natural cork (Flooring material) made of cork particles, ore particles (tourmaline, tourmaline and elvan particles), pigments (artificial silica), polyurethane adhesive and silane coupling agent, Elasticity, and abrasion resistance of the cork.
However, when the polyurethane adhesive and the cork are mixed with each other, the cork is raised on the upper part of the polyurethane adhesive due to the low specific gravity of the cork, which is caused by the conventional floor covering material (corresponding to the 'elastic material for bottom packing' Respectively.
Also, Korean Patent No. 10-1058439 (Aug. 16, 2011) discloses a cork chip for elastic packaging and a method of manufacturing the same. The cork chip for elastic packaging comprises a) mixing a urethane resin with a cork chip using a stirrer, b) curing the stirred mixture for 2 to 5 hours, c) pulverizing the cured mixture using a pulverizer, d) adding a urethane resin to the pulverized mixture and stirring the pulverized mixture, e) pulverizing the re-stirred mixture using a pulverizer;
The processed cork chips for elastic packaging having the above-described structure are mixed with a urethane binder and placed on a floor, and then planarized using a roller.
However, in order to ensure the workability due to the low specific gravity problem of the cork itself before being mixed with the binder, the cork chip for elastic packaging according to the prior art (corresponding to the "cork chip" of the present invention) It is necessary to continue research and development to solve the problem.
The present invention relates to an elastic material for bottom packing and a method for manufacturing elastic material for bottom packing, which is intended to solve the problems of the related art. Conventionally, the elastic material for bottom packing using cork as a main material has a low specific gravity of cork, There is a problem that the cork particles float to the top of the binder when mixed with the binder to be used;
Due to the nature of the cork particles rising to the upper part of the binder, the cork particles are pushed along with the movement of the heat roller of the heat roller device during the construction work using the heat roller device, resulting in difficulty in smooth construction;
Due to the low specific gravity of the cork particles as described above, the cork particles are mixed in the binder and cured, the cork cured particles are again pulverized, and then the binder is further mixed and then re-cured. , The process of mixing the raw materials with the binder once again at the time of flooring and performing floor pavement construction is complicated.
The main object of the present invention is to provide a solution to this problem, since the main material, cork, is excellent in elasticity but weak in physical strength and durability is somewhat deteriorated.
The present invention has been made to solve the above-
A main mixture of 50 to 95% by weight of a cork chip having an average particle size of 3 to 7 mm and 5 to 50% by weight of a bamboo chip having an average particle size of 3 to 7 mm; And a binder in which 5 to 20 parts by weight of an inorganic additive is mixed with 100 parts by weight of a liquid polyurethane resin or a polyacrylic resin so that the binder is mixed with 80 to 120 parts by weight per 100 parts by weight of the main mixture The present invention provides a flooring elastic material comprising:
Preparing a main mixture by mixing 50 to 95% by weight of a cork chip having an average particle size of 3 to 7 mm and 5 to 50% by weight of a bamboo chip having an average particle size of 3 to 7 mm; A binder preparation step of mixing 5 to 20 parts by weight of an inorganic additive with 100 parts by weight of a liquid polyurethane resin or polyacrylic resin to make a binder; Mixing and mixing 80 to 120 parts by weight of the binder with 100 parts by weight of the main mixture, and applying the mixture to the bottom of the base to form an elastic packaging layer; And a curing step of curing the elastic packaging layer treated for 6 to 24 hours by planarizing and hardening the elastic packaging layer treated by the mixing and coating step using a steam heating roller device, .
As described above, the elastic material for flooring according to the present invention and the method for manufacturing an elastic material for flooring using the elastic material according to the present invention are characterized in that when the binder and the cork chip (cork particles) are mixed, The chip can not be floated to the upper part of the binder of the liquid phase, thereby achieving the effect of inducing uniform mixing between the binder and the cork chip;
Since the cork is uniformly mixed in the binder as described above, the effect of solving the problem of pushing the cork chip by the movement of the heat roller of the heat roller device can be obtained;
Even when the elastic material is applied to the floor, it is possible to obtain the effect of solving the troublesomeness of mixing the cork which is the main material with the binder and curing and pulverizing the same several times;
It is possible to obtain an effect of securing the elasticity by the cork which is the main material and improving the physical strength and flame retardancy.
BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a process block diagram showing a working sequence of a method for manufacturing an elastic floor material for floor wrapping according to a preferred embodiment of the present invention; Fig.
BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to an elastic material for bottom packing, which is packaged on the floor of a facility such as a stadium, a school, a playground or a park,
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown.
[For floor wrapping Elastic material ]
The present invention relates to a cement paste composition comprising a main mixture of 50 to 95% by weight of a cork chip having an average particle size of 3 to 7 mm and 5 to 50% by weight of a bamboo chip having an average particle size of 3 to 7 mm; And a binder in which 5 to 20 parts by weight of an inorganic additive is mixed with 100 parts by weight of a liquid polyurethane resin or a polyacrylic resin so that the binder is mixed with 80 to 120 parts by weight per 100 parts by weight of the main mixture The present invention relates to an elastic material for floor wrapping.
First, the elastic material for flooring according to the present invention is composed of a main mixture of a cork chip having a certain average particle size and a binder in which a liquid polyurethane resin or a polyacrylic resin is a main material.
Specifically, the main mixture is a mixture of 50 to 95% by weight of a cork chip having an average particle size of 3 to 7 mm and 5 to 50% by weight of a bamboo chip having an average particle size of 3 to 7 mm, It is included in the elastic material for bottom packing and improves the weak strength of the cork through the bamboo chip.
In other words, since the cork is a natural material, the cork is more friendly to the human body and natural environment than the elastic material made of a synthetic resin material, which is generally wrapped on the floor. When an excess amount of water falls on the floor where the elastic material is applied, or when it rains, it exerts the effect of permeating the water to the ground.
Also, although the cork differs depending on which facility is used the elastic material according to the present invention, when the cork is used in a place where the effect on water is little, natural cork can be used, When it is used in places, it is preferable to use those that have been processed so that the absorbency is somewhat weakened.
In other words, natural cork has excellent properties of elasticity because it has many pores but it has a property of absorbing water by itself, and cork which is slightly weak in absorbency has no significant difference in elasticity compared with natural state, Water absorption rate is low.
In addition, the average particle size of the cork chip preferably has a diameter of 3 to 7 mm. At this time, if the size of the cork chip is less than 3 mm, the size of the cork chip is excessively small. Therefore, when the main mixture and the binder are mixed, the cork chips may not be easily dispersed in the liquid resin of the binder, The size of the cork chip is excessively large, and if the surface of the elastic material applied to the floor is aged, a part of the cork chip may be roughly exposed, so that the cork chip preferably has a size within the above range.
Also, bamboo chips are made by crushing dry bamboo, which improves the physical strength of the main mixture by reinforcing the cork contained in the main mixture.
That is, the bamboo has a weaker elasticity than the cork, but the stiffness is excellent, so that the strength of the elastic packaging layer applied to the floor is improved, so that the elastic packaging layer is not easily damaged against the external force.
In addition, since bamboo has low thermal conductivity, it absorbs heat energy due to sunlight to a low level. As a result, it prevents heating of the elastic packaging layer applied on the floor, thereby preventing heat from being emitted from the elastic packaging layer. That is, bamboo has the effect of reducing the heat released from the elastic pavement layer in the summer to lessen the activity on the elastic pavement layer.
In addition, bamboo also has the effect of improving the environmental friendliness of the elastic packaging layer applied on the floor.
It is also preferred that the bamboo chip has an average particle size of 3 to 7 mm diameter, for the same reason as the cork chip. That is, when the size of the bamboo chip is less than 3 mm, the size of the bamboo chip is too small, so that when the main mixture and the binder are mixed, the bamboo chips are not easily dispersed in the liquid resin of the binder, If the thickness of the bamboo chip is excessively large, the surface of the elastic material applied to the bottom of the bamboo chip is aged, a part of the bamboo chip is roughly exposed and the exposed bamboo chip may cause injury to a person. And the like.
It is preferable that the cork chip has a mixing ratio of 50 to 95 wt% and the bamboo chip has a mixing ratio of 5 to 50 wt% based on the total weight of the main mixture. If the bamboo chip is contained in the main mixture at less than 5 wt%, the effect of improving the strength of the elastic packaging layer formed on the bottom by the bamboo chip and the effect of improving the environment friendliness are insufficient. When the bamboo chip is more than 50 wt% But the elasticity of the elastic packaging layer applied to the floor is insufficient. Therefore, it is preferable that the mixing ratio of the main mixture is maintained within the above-mentioned range.
The binder is a mixture of 5 to 20 parts by weight of an inorganic additive with respect to 100 parts by weight of a liquid polyurethane resin or polyacrylic resin. The binder is added to the main mixture so that the main mixture can be adhered to the bottom, As an additive, it is a constitution that prevents floating of the cork chip contained in the main mixture at the time of construction.
Specifically, the liquid polyurethane or polyacrylic resin exerts an adhesive force to adhere the particles of the composition contained in the main mixture and adhere the main mixture to the bottom. That is, the main adhesive force of the binder is exerted by the liquid polyurethane resin or the polyacrylic resin, and the inorganic additive added to the binder improves the floatation prevention and flame retardancy of the cork chip.
Further, the binder may further include a general curing agent for smoothly curing a liquid polyurethane resin or a polyacrylic resin. In order to secure a constant curability regardless of the workability of a worker, a liquid polyurethane resin or a polyacrylic resin A one-component binder in which a curing agent is already contained may be used.
On the other hand, when a two-component binder in which a curing agent is not contained in a liquid polyurethane resin or a polyacrylic resin is used, the binder is further added in a mixing ratio of 0.5 to 3 parts by weight of a curing agent to 100 parts by weight of a liquid polyurethane resin or polyacrylic resin .
In addition, the inorganic additives to be mixed with the binder function to sink the cork chips having low specific gravity into the binder by being bonded to the cork chips contained in the main mixture to be mixed with the binder.
That is, the elastic material for flooring using a cork as a main material has a problem in that when the elastic material is applied to the bottom due to a low specific gravity of the cork, the cork appears on the upper surface (surface) of the binder, There is a problem in that the cork which is floated on the upper part of the binder is pressed against the movement of the heat roller.
On the other hand, the inorganic additive is combined with the cork chip in a state of being mixed with the binder to increase the weight of the cork chip, thereby preventing the cork chip from floating on the upper part of the binder. As a result, Thereby preventing the cork chip from being thrown.
In addition, since the inorganic additives are resistant to heat due to their inherent nature, they exhibit the effect of securing the heat resistance of the elastic packaging layer applied on the floor, and the inorganic additives are used in the form of a mixture of stones, ceramics (inorganic Baking product) or phosphoric acid, it has an effect of ensuring flame retardancy as well as heat resistance.
In addition, inorganic additives having various particle sizes may be used according to the judgment of a person skilled in the art, more preferably those having an average particle size of about 10 to 600 mu m.
It is preferable that the inorganic additive is mixed into the binder at a mixing ratio of 5 to 20 parts by weight with respect to 100 parts by weight of the liquid polyurethane resin or the polyacrylic resin. If the amount of the inorganic additive is less than 5 parts by weight, the effect of improving the functionality of the inorganic additive is insufficient. When the amount of the inorganic additive is more than 20 parts by weight, the adhesive strength of the binder is lowered. .
In addition, the main mixture and the binder of the above-described constitution are not mixed and distributed or sold in advance, but they are prepared separately, and then mixed with the bottom of the elastic material and applied to the floor. However, the mixing ratio of the main mixture and the binder is preferably 80 to 120 parts by weight per 100 parts by weight of the main mixture.
That is, when the binder is mixed in an amount of less than 80 parts by weight based on 100 parts by weight of the main mixture, the mixed amount of the binder is insufficient and the elastic packaging layer applied to the bottom easily peels off. When the amount exceeds 120 parts by weight, The surface hardness of the applied elastic packaging layer is excessively high and the elasticity is lowered. Therefore, it is preferable that the main mixture and the binder maintain the mixing ratio within the above range.
[For floor wrapping Elastic material Construction method]
The present invention relates to a process for preparing a main mixture (S100) comprising mixing 50 to 95% by weight of a cork chip having an average particle size of 3 to 7 mm and 5 to 50% by weight of a bamboo chip having an average particle size of 3 to 7 mm, Wow; A binder preparation step (S200) of mixing 5 to 20 parts by weight of an inorganic additive with 100 parts by weight of a liquid polyurethane resin or polyacrylic resin to make a binder; A mixing and applying step (S300) in which 80 to 120 parts by weight of the binder is mixed with 100 parts by weight of the main mixture by stirring, and then the mixture is applied to the bottomed surface to form an elastic packaging layer; (S400) for planarizing and hardening the elastic packaging layer treated in the mixing / coating step (S300) by using a steam heating roller device and curing the elastic packaging layer for 6 to 24 hours To a method of constructing an elastic material for floor pavement.
More specifically, the preparation of the main mixture (S100) is a process of preparing the main mixture as described above, and a detailed description of the cork chip and the bamboo chip included in the main mixture will be replaced with the above description. Also, since the size of the cork chip and the bamboo chip is relatively large (3 to 7 mm), it is preferable that the cork chip and the bamboo chip are evenly mixed before being mixed with the binder.
That is, when the cork chip and the bamboo chip are mixed with the binder without being mixed first, it is difficult to uniformly mix the cork chip and the bamboo chip due to the viscosity of the binder. Therefore, It is preferable to mix them evenly.
The binder preparation step (S200) is a process of preparing a binder by mixing 5 to 20 parts by weight of an inorganic additive with respect to 100 parts by weight of a liquid polyurethane resin or polyacrylic resin, wherein the binder has an average particle size of several tens to several hundreds of micrometers It is the process of evenly mixing the inorganic additives into the binder.
Specifically, the inorganic additives having a relatively small particle size as compared with the cork chips and the bamboo chips constituting the main mixture are first mixed before being mixed into the binder, and then mixed with the surface of the main mixture So that the dispersibility can be improved.
In the mixing and coating step (S300), 80 to 120 parts by weight of the binder is mixed with 100 parts by weight of the main mixture, and the mixture is applied to the bottomed floor to form an elastic packaging layer. It is the process of forming an elastic pavement layer on the floor of a facility such as a school, a playground or a park.
Specifically, in the mixing / coating step (S300), mixing of the main mixture and the binder is performed by mixing the main mixture and the binder prepared in the main mixture preparation step (S100) and the binder preparation step (S200) It is preferable that the cork chip and the bamboo chip are agitated and mixed with each other so that the inorganic additives contained in the binder can be evenly dispersed and made of an elastic material.
In addition, the elastic material prepared in the above process is applied to the bottom surface of the substrate to form an elastic packaging layer. In this case, the bottom of the floor is treated by removing the foreign matter on the floor and filling the cracks in the same way as the conventional floor laying process.
When the bottom of the elastic material according to the present invention is of a kind such as cement, asphalt or cement block, it is preferable that the elastic material is applied after the primer is applied before the elastic material is applied.
That is, the primer improves the adhesion between the floor of the above-mentioned type and the binder according to the present invention, thereby exerting an effect of preventing the peeling of the applied elastic packaging layer. More preferably, the primer exhibits a general primer Can be selected and used.
In addition, the elastic packaging layer of the mixing / coating step S300 may have various thicknesses depending on the type of the floor where the floor is to be installed, whether it is outdoors or indoors, but it is preferable that the elastic packaging layer has a thickness of 5 to 30 mm. If the thickness of the elastic packaging layer is less than 5 mm, the elastic packaging layer may be torn or peeled off easily due to the external force. If the thickness exceeds 30 mm, the elastic packaging layer is inferior in economical efficiency, It is preferable to maintain the thickness within the above-mentioned range.
In the case of a one-component binder in which a liquid polyurethane resin or polyacrylic resin is mixed with a curing agent, or in the case of a binder made by further mixing a curing agent with a two-component binder containing no curing agent, It is obvious that the process of the application step S300 should be completed.
In addition, the curing step (S400) is a process of flattening and hardening the elastic packaging layer treated in the mixing / coating step (S300) by using a steam heating roller device and curing the elastic packaging layer for 6 to 24 hours, To form an evenly packed layer of an elastic material.
That is, the steam column roller device is provided with a heat roller for radiating heat of a predetermined temperature, and the heat roller is provided with steam diverting means. The steam roller device has elasticity that can be changed by humidity and temperature change depending on the season, It is a means to adjust the curing speed of the packaging layer.
At this time, the surface hardening process of the curing step (S400) can be variously performed by the steam heat roller device according to the seasonal change and the construction environment. However, steam is continuously radiated to the normal temperature by the steam heat roller device, It is preferable to be treated with heat at 150 占 폚.
That is, the steam radiated from the steam heat roller device increases the surface humidity of the surface of the elastic packaging layer, which hardens the surface, and the elastic packaging layer is rapidly hardened and cracked by the heat radiated from the heat roller, The effect of preventing the surface of the package layer from smearing on the heat roller is exhibited.
If the heat radiated from the heat rollers of the steam heat roller device is less than 70 ° C, the temperature applied to the surface of the elastic packaging layer is low, so that the surface hardening operation time by the surface heat roller takes a long time. It is preferable that the surface hardening treatment is performed with the heat of the temperature within the above range because the surface is excessively high and the surface is rapidly hardened and cracked.
In addition, the surface-hardened elastic pavement layer is cured for 6 to 24 hours according to the season and construction environment so that the elastic pavement layer can be completely hardened.
In addition, when the place of the bottom packing using the elastic material according to the present invention is the room, it is preferable that elasticity is applied to the elastic packaging layer after the surface hardening treatment of the hardening step (S400) A topping agent containing a waterproofing agent may be further applied to the upper part of the packaging layer to coat the same.
When the floor of the flooring using the elastic material according to the present invention is in a room, the topsheet containing the waterproofing agent may be uncoated to enhance permeability of the applied elastic sheet, A topcoat containing a functional additive such as a group can be applied.
The following is an embodiment of a method for producing an elastic material for floor packing according to the present invention and a method for constructing an elastic material for sea packing using the elastic material.
1. Prepare the main mixture
① 80 kg of coarse chips crushed to a mean particle size of 5 mm diameter and 20 kg of crushed bamboo chips having an average particle size of 5 mm are put into a stirrer and homogeneously mixed to prepare a main mixture.
2. Binder preparation steps
(1) To 100 kg of a liquid polyurethane resin (which is a one-component resin mixed with 99% by weight of a polyurethane resin and 1% by weight of a curing agent), 10 kg of ground ceramic powder having an average particle size of 400 탆 in diameter was mixed, The binder is uniformly mixed to form a binder.
3. Mixing and application step
① Mixing process
100 kg of the main mixture prepared in the preparation of the main mixture is put into an agitator containing 110 kg of the binder prepared by the process (1) of the binder preparing step, and then mixed uniformly to make an elastic material.
② Application process
a. Remove the protruding part of the cement floor in the room, fill the cracks and remove the contaminants.
b. The elastic material produced by the above (1) treatment is applied to the bottom of the cement to a thickness of 20 mm to form an elastic coating layer.
4. Curing step
① Surface hardening process
The elastic coating layer formed in the mixing and coating step is subjected to surface hardening treatment with a steam heating roller device. At this time, steam is emitted from the steam heat roller device, and the temperature of the heat roller is set to 110 ° C.
② Full curing process
The surface-hardened elastic packaging layer is completely cured in the natural state for 12 hours by the treatment (1).
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It is possible to carry out various changes in the present invention.
S100: Main mixture preparing step
S200: Binder preparation step
S300: Mixing and application step
S400: Curing step
Claims (5)
And a binder in which 5 to 20 parts by weight of an inorganic additive is mixed with 100 parts by weight of a liquid polyurethane resin or polyacrylic resin,
Wherein the binder is mixed in an amount of 80 to 120 parts by weight based on 100 parts by weight of the main mixture.
The inorganic additive may contain,
Staple powder, ceramic powder, or phosphoric acid.
A binder preparation step (S200) of mixing 5 to 20 parts by weight of an inorganic additive with 100 parts by weight of a liquid polyurethane resin or polyacrylic resin to make a binder;
A mixing and applying step (S300) in which 80 to 120 parts by weight of the binder is mixed with 100 parts by weight of the main mixture by stirring, and then the mixture is applied to the bottomed surface to form an elastic packaging layer;
(S400) for planarizing and hardening the elastic packaging layer treated in the mixing / coating step (S300) by using a steam heating roller device and curing the elastic packaging layer for 6 to 24 hours Wherein the elastic material is applied to the bottom of the elastic material.
The elastic packaging layer of the mixing / coating step (S300)
Wherein the elastic member is configured to have a thickness of 5 to 30 mm.
The curing step (S400)
Wherein the surface hardening treatment is performed by heat of 70 to 150 占 폚 by a steam heating roller device.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101875478B1 (en) | 2017-12-08 | 2018-08-02 | 소남우 | Preparation Method of Cork Chips and Floor Construction Method Using the Same |
| KR102305763B1 (en) * | 2021-06-21 | 2021-09-30 | 에이치그라운드 주식회사 | Eco-friendly elastic floor pavement for sports facilities and manufacturing method thereof |
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| KR101058439B1 (en) | 2008-09-29 | 2011-08-24 | 소재철 | Processed Cork Chips for Elastic Packaging and Construction Method |
| KR101198271B1 (en) | 2012-01-10 | 2012-11-07 | 알서포트 주식회사 | Display management method for computer controled mobile telephone |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101058439B1 (en) | 2008-09-29 | 2011-08-24 | 소재철 | Processed Cork Chips for Elastic Packaging and Construction Method |
| KR101198271B1 (en) | 2012-01-10 | 2012-11-07 | 알서포트 주식회사 | Display management method for computer controled mobile telephone |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101875478B1 (en) | 2017-12-08 | 2018-08-02 | 소남우 | Preparation Method of Cork Chips and Floor Construction Method Using the Same |
| US11920038B2 (en) | 2017-12-08 | 2024-03-05 | A-Road Co. | Method for manufacturing processed cork chip and method for constructing floor using same |
| KR102305763B1 (en) * | 2021-06-21 | 2021-09-30 | 에이치그라운드 주식회사 | Eco-friendly elastic floor pavement for sports facilities and manufacturing method thereof |
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