KR20100023607A - A elasticiting rubber floor material in order to absorb shock - Google Patents

A elasticiting rubber floor material in order to absorb shock Download PDF

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Publication number
KR20100023607A
KR20100023607A KR1020080082468A KR20080082468A KR20100023607A KR 20100023607 A KR20100023607 A KR 20100023607A KR 1020080082468 A KR1020080082468 A KR 1020080082468A KR 20080082468 A KR20080082468 A KR 20080082468A KR 20100023607 A KR20100023607 A KR 20100023607A
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KR
South Korea
Prior art keywords
layer
rubber
flooring
elastic
epdm
Prior art date
Application number
KR1020080082468A
Other languages
Korean (ko)
Inventor
권승열
Original Assignee
주식회사테스크
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Publication date
Application filed by 주식회사테스크 filed Critical 주식회사테스크
Priority to KR1020080082468A priority Critical patent/KR20100023607A/en
Publication of KR20100023607A publication Critical patent/KR20100023607A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2272/00—Resin or rubber layer comprising scrap, waste or recycling material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/16—EPDM, i.e. ethylene propylene diene monomer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2471/00—Floor coverings
    • B32B2471/04—Mats
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/14—Layered products comprising a layer of synthetic resin next to a particulate layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/16—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer formed of particles, e.g. chips, powder or granules

Abstract

The invention shock absorber to elastically on the rubber coverage, if it will be described in more detail, by a material of the flooring using a material such as EPDM (E thylene P ropylene D iene M onomer), retread rubber chip with a urethane bonding agent Binder The present invention relates to a shock-absorbing elastic rubber flooring material having a characteristic that can alleviate the impact by combining the design and make the consumer feel soft and aesthetic beauty when walking with various designs and colors.

Description

A elasticiting rubber floor material in order to absorb shock}

1 is a multi-layer structure installed using the impact absorbing elastic rubber flooring

Figure 2 is a single layer structure installed using the impact absorbing elastic rubber flooring

Figure 3 is a structural structure of the color chip of the impact absorbing elastic rubber flooring

Figure 4 is a photograph of the embodiment installed using the flooring of the present invention

Figure 5 is a photograph of another embodiment installed using the flooring of the present invention

<Description of Major Symbols Used in Drawings>

10: strata 20 (B): substratum (rubble)

30: ascon, cement layer 40: primer layer

50: surface layer

60: elastic bottom layer

The invention shock-absorbing resilient rubber coverage and relates to a method of manufacturing the same, when this will be described in more detail, by a material of the flooring using a material such as EPDM (E thylene P ropylene D iene M onomer), retread urethane bonding agent The present invention relates to a shock-absorbing elastic rubber flooring material that combines rubber chips with binders to mitigate impacts and to make consumers feel softness and aesthetic beauty when walking.

 Recently, some sidewalks, bicycle driving roads, trails, etc. are used instead of cement sidewalk blocks in order to pursue the feeling of comfort, driving stability and durability, it is a welcome to pay attention to the urban aesthetics.

 Several attempts have been made in the past to provide a packaging material having such elasticity. For example, a block using a waste tire rubber chip and a manufacturing method thereof include "an upper elastic layer made of rubber pellets and a binder pigment; an intermediate support layer made of fine bone, a rubber chip, and a binder; and an upper surface of the support layer. The lower elastic layer is integrated under the same conditions as the elastic layer, and the block is characterized by a three-stage inner cross-sectional configuration. The lower support layer is formed to have a predetermined thickness by mixing rubber chips, silica sand, and urethane binder by appropriate weight percent. And a rubber block using waste tires having a proper weight of a rubber chip, a urethane binder, and a pigment in the upper half of the support layer.

 However, in the conventional process of manufacturing the elastomer press block, the steps of separately manufacturing the upper sheet and the lower sheet, cutting the prepared upper sheet and the lower sheet to the size of the mold, and cut the upper sheet and the lower sheet according to the desired thickness It uses a complex method including laminating and putting the stacked upper and lower sheets in a mold and pressing them under a certain pressure and temperature. Also, sand, gravel, fine aggregate, etc. are used to increase the specific gravity so that they can be usefully used as blocks. Because of the heterogeneous raw materials of the upper and lower sheets, the close bonding force between the block-constituting particles between the lower sheet was degraded, so that there was a problem that soon after being broken or broken easily.

 In addition, conventional stone or cement sidewalk blocks generally form a uniform size of square hexahedron, and these sidewalk blocks are constructed by flattening the floor surface and arranging them collectively. If the surface is unbalanced and rained due to this going and breaking, there is a problem that the muddy water of the floor splashes between blocks during the passage of a person and annoys passers-by.

 In particular, in accordance with the Enforcement Decree No. 1 of the Enforcement Decree No. 1 of the Enforcement Decree of the Children's Playground Safety Management Act, which has been strengthened since 2008, the materials installed in the floor of a children's playground or children's play equipment also comply with It will be installed and used only after passing through, and it is judged that securing the technology for product quality will act as a key competitive factor.

 When children hit their heads on the floor, the standard was to limit the impact to less than 50g of gravity, and permanent brain damage is almost unthinkable. It became a standard.

 Since then, the performance required for playground flooring has to be less than 50g, to have accurate elasticity, not a soft or rigid concept, to reduce the force of impact. For this reason, there was a situation in which the construction of thick children continued to make their heads safe from impact.

 Meeting safety standards is relatively easy. However, in the case of 3M high amusement facilities, it was necessary to construct a floor covering with a thickness of 150mm or more, which caused the construction cost to increase.

 As such, the shock-absorbing flooring material used in safety-relevant places such as children's playgrounds, sidewalks, jogging roads, bicycles, etc. Was studied.

The present invention for solving the problems of the press block with a conventional waste tires, and as the material of the flooring using a material such as EPDM (E thylene P ropylene D iene M onomer), retread rubber chip with a urethane bonding agent Binder It combines to mitigate shocks and gives consumers a soft and aesthetic beauty when walking with various designs and colors, and can improve decorative aesthetics and dignity after construction, and shock-absorbing elastic rubber that can maintain durability. To provide flooring.

The present invention relates to a method for constructing an impact-absorbing elastic rubber flooring material, which will be described in more detail. As a material of the flooring material, an ethylene propylene diene monomer (hereinafter referred to as “EPDM”), a regenerated tire, etc. By combining rubber chips with binders, which are urethane binders, using materials, they have strong durability and permeability. They are strong and durable enough to maintain their performance without changing form even in harsh environments for long periods of time. The present invention relates to a shock-absorbing elastic rubber flooring material having a feature that allows consumers to feel the softness and aesthetic beauty when walking.

 Hereinafter, the configuration of the present invention will be described in more detail with reference to the drawings, but the scope of the present invention is not limited only to the following embodiments, and various modifications can be made without departing from the scope and spirit of the present invention. It is possible.

[ Example  1] Preparation of Materials

First, the shock-absorbing resilient rubber coverage of the present invention is a material of the flooring EPDM (E thylene P ropylene D iene M onomer), retread such a material by a urethane bonding agent Binder rubber chips for coupling to the impact absorbing resilient rubber coverage by using a To be manufactured,

1. Ethylene Propylene Dien  Monomer [ Ethylene Propylene Diene Monomer , EPDM ]

   EPDM is chemically stable, and the vulcanized material has an intermediate property between natural rubber and SBR.

1) It has excellent weather resistance and ozone resistance stability that maintains initial properties for more than 20 years even when exposed to UV and ozone.

2) Its temperature ranges from -40 ℃ to 150 ℃, so it has heat resistance and cold resistance with little change in quality even in the regions with severe climate change conditions such as tropical and cold regions.

3) The bonding between sheets was performed by thermal fusion to restore the reliability of the joint, which originally solved the defect of the joint at the time of shrinkage expansion and cracking due to climate change.

   It is a synthetic rubber made of EPDM with the above characteristics. It has excellent heat resistance, ozone resistance, water resistance, durability and color stability, and it is adopted as the material of elastic flooring which requires various colors. It is constructed using a polyurethane binder. This product is available in different colors depending on the design and is available in different formulations for different characteristics. Its advantages include good water transmittance, strong UV resistance, and excellent elasticity, making it suitable for most indoor and outdoor elastic flooring and multipurpose stadiums.

2. Recycling tire

   The black waste tire is used to cut the wall part of the tire side part in the circumferential direction with a certain width and use it as a rubber band for various uses, and the tread part is cut in the circumferential direction with the predetermined width to use as an indoor golf batting or mat. Another application is to treat waste tires with metals and chemicals, which are environmentally harmful components contained in the black chips obtained by cutting and crushing, and then remove iron cores contained in the waste tires, crush them, and then shred out unit chips such as sand having a size of 1 to 4 mm. It is used by forming unit chips such as gravel of 15 ~ 20mm size.

 This is because the conventional waste tire chip particles are easily detached from the block or the coating layer, and especially in the weak adhesive part, when a large impact is received from the outside, a certain amount of agglomerates may be detached, so that it is not durable and coating the rubber raw material or adhesive on the chip. The method has been adopted as a stable material by allowing the recycled tire to be used in the surface layer 50 or the lower layer 60 to solve the difficult, rough and unstable surface.

 SBR recycled tire rubber chip is composed of rubber chip and urethane binder, which has strong durability and water permeability, so it is strong and durable enough to maintain this performance without changing form even in harsh environment for a long time.

3. Binder

   Since organic solvents such as thinner and solvent are not used, urethane-based resin adhesives, which are useful for resin bonding, can be used as binders that are environmentally friendly, and used to be bonded to waste tire chips or other rubber chips (EPDM) to form a desired shape. You can.

Even after hardening through the resin adhesive is very good resistance to organic solvents, ultraviolet rays, temperature is very easy to crack, which is a conventional problem, the yellowing of the color, the hardness is not hard, it can extend the warranty period of the product after installation.

[ Example  2] content ratio of materials according to structure and manufacturing method

1. Multi-layered structure Two - Layer System )

Figure 1 shows a multi-layer structure installed using the impact-absorbing elastic rubber flooring of the present invention, when it is described in detail, first, the ground layer 10 and the secondary layer 20 which is well ground with rubble on the ground layer 10 ), And an elastic bottom layer (60) made of recycled tire (Blsck SBR) rubber, which is a material of elastic rubber, on the auxiliary base layer (20), and EPDM, which is a material of impact-absorbing elastic rubber, on the elastic bottom layer (60), and a recycled tire. Surface layer 50 is a structure for absorbing external impact by forming a multi-layer structure consisting of two layers, the upper surface layer 50 is EPDM and 1 to 4mm recycled tire rubber ratio of 1: 2 or EPDM rubber The thickness of the surface layer 50, which is used alone, and is composed by mixing the urethane resin adhesive 3.0 to 3.5 kg / m2 to the rubber used 15 ~ 20 kg / m2 is about 15 to 20 mm, when mixing these rubber Designed to give color to the collar Use a plane layer.

 The elastic bottom layer 60 uses 5-20 mm recycled tire (Blsck SBR) rubber chips, and is composed of rubber chips 18 to 63 kg / m2 and a urethane resin adhesive 0.9 to 3.15 kg / m2. ) Thickness is 25 ~ 125mm.

 Such a double-layer structure is used to buffer the floor of children's play and sports facilities, and in particular, in the case of a children's playground, two layers are integrated, and the foundation uses 5 ~ 20mm SBR recycled tire rubber chips. It is composed of an elastic bottom layer 60, the surface layer 50 can produce a variety of designs using a color EPDM rubber chip or a rubber chip mixed with a recycled tire of 1 ~ 4mm, the bonding strength of the two layers is strong, the durability of the bottom layer It has elasticity and elasticity. In the case of elastic flooring, there is little frictional damage, softness, less fatigue during walking, and injuries can be minimized when the head, knee or hand falls down.

 In addition, it is applied to a variety of places, such as India, jogging road, bicycle road, urban space pedestrian path, regional park trails, urban perimeter road, terrace, passage, golf course pedestrian and lounge, commercial space, strong durability as a feature of the present invention Long service life, clean and beautiful design with low maintenance cost, low foot comfort, low slip and noise, safe in all seasons, fast absorption and permeability, slip on wet road This is less.

2. Single layer structure Two - Layer System )

   Figure 2 shows a single layer structure laid using the impact-absorbing elastic rubber flooring of the present invention, when it is described in detail, the ground layer 10 and the ground layer 10 which is well ground by the method applied in the country is well ground by rubble After the subsidiary layer 20, the cement and ascon layer 30 made of cement or ascon on the subsidiary layer 20, and the primer 40 thereon, EPDM and regenerated tire rubber, which are materials of impact-absorbing elastic rubber, As a structure for absorbing the external impact by forming a single-layer structure consisting of only one surface layer 50 constituted,

 First, the upper surface layer 50 is EPDM and 1-4mm recycled tire rubber is used in the ratio of 1: 2 or EPDM rubber alone, urethane resin adhesive 3.0 ~ 3.5 kg / to 15-20 kg / m 2 rubber used The surface layer 50 formed by blending m2 is constructed with a thickness of about 15 to 20 mm, and is used as a color designed surface layer by imparting color when mixing these rubbers.

 Such a single layer structure is a cement made of cement or ascon on the support layer 20 and the support layer 20, which is well formed by rubble on the layer 10 and the layer 10, which are well-prepared in Korea. After the ascon layer 30 and the primer 40 thereon, only one surface layer 50 composed of EPDM, a material of 1 to 4 mm of regenerated tire rubber, is formed of a shock absorbing elastic rubber to form a single layer structure to form an external impact. It is a structure to absorb water, and it takes a long period of construction, a lot of labor costs, etc.

[ Example  3] of impact absorbing elastic rubber flooring Color chip

 Figure 3 shows the structure and the color chip of the impact-absorbing elastic rubber flooring material of the present invention, the upper surface layer 50 is EPDM, recycled tire rubber of 1: 2 ratio or EPDM rubber alone, rubber and urethane resin adhesive When mixing, it is possible to combine the paints together, and 13 basic colors and mixed colors can be configured to represent the surface in a beautiful color.

[ Example  4] Installed with impact absorbing elastic rubber flooring Example

 Figure 4 shows a picture of an embodiment installed using the flooring of the present invention, the flooring of the present invention is particularly resistant to spikes for outdoor sports, and the structural coating in a spray method to cover the lower rubber base layer. It has good water permeability and is resistant to spikes, making it suitable for tracks and school grounds. It is very easy to manage and easy to rebuild as needed.

 Fig. 5 shows a photograph of another embodiment installed using the flooring of the present invention, which is composed of two layers, the base of which is a thick 20mm black recycled tire rubber chip, and the surface of which is a colored EPDM rubber chip. . The two components are strong in binding and make the floor durable.

An effect of the present invention is to provide a rubber flooring block for a children's playground having sufficient elasticity to prevent safety accidents of children, by using a material such as EPDM, recycled tires as a material of the flooring material to the rubber chip binder binder Combined with strong durability and permeability, it does not change shape even in harsh environments for long periods of time, and is strong enough to maintain this performance, and durable, alleviates shock and softness and aesthetics when consumers walk with various designs and colors It has the effect of making you feel beauty.

Claims (4)

In the shock-absorbing elastic rubber flooring material, the substratum layer 20, which is finely crushed on the ground layer 10 and the ground layer 10, and the recycled tire (Blsck SBR) rubber, which is a material of elastic rubber, is formed on the sublayer layer 20. An elastic bottom layer (60) made of, and the impact layer, characterized in that the elastic layer consisting of two elastic layers consisting of a surface layer 50 composed of EPDM and a regenerated tire rubber material of the impact-absorbing elastic rubber Absorption Elastic Rubber Flooring In the shock-absorbing elastic rubber flooring material, the cemented layer 10 and the secondary layer 20 which are well-granulated on the ground layer 10, and the cement and asphalt concrete layer 30 made of cement or ascon on the secondary layer 20 are formed. And a surface layer 50 composed of EPDM, which is a material of impact-absorbing elastic rubber, and regenerated tire rubber, after the primer 40 is treated on the cement and asphalt concrete layers 30 to form a single layer structure. Shock-absorbing elastic rubber flooring According to claim 1 or 2, the surface layer 50 is EPDM and 1 to 4mm recycled tire rubber is used in the ratio of 1: 2 or EPDM rubber alone, urethane resin adhesive 3.0 in 15 to 20 kg / m 2 rubber Impact absorbing elastic rubber flooring, characterized in that the composition of the surface layer 50 is composed of 15 ~ 20 mm by mixing ~ 3.5 kg / m 2 According to claim 1, the elastic bottom layer 60 is the thickness of the elastic bottom layer 60 by combining a 5 ~ 20mm recycled tire (Blsck SBR) rubber chip 18 ~ 63 kg / m 2 and a urethane resin adhesive 0.9 ~ 3.15 kg / m 2 Shock absorbing elastic rubber flooring, characterized in that consisting of 25 ~ 125mm
KR1020080082468A 2008-08-22 2008-08-22 A elasticiting rubber floor material in order to absorb shock KR20100023607A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108316608A (en) * 2018-03-14 2018-07-24 高志斌 A kind of ground ruggedized construction and its construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108316608A (en) * 2018-03-14 2018-07-24 高志斌 A kind of ground ruggedized construction and its construction method

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