CN114277640A - ACPU structural environment-friendly plastic court surface layer and manufacturing method thereof - Google Patents
ACPU structural environment-friendly plastic court surface layer and manufacturing method thereof Download PDFInfo
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Abstract
The invention relates to the technical field of playground surface layers, in particular to an ACPU structural environment-friendly plastic court surface layer and a manufacturing method thereof. Comprises a bottom layer, a bonding layer, a shock absorption layer, a sealing layer, a reinforcing layer, a structural layer and a surface layer which sequentially abut against each other from bottom to top through end surfaces. The environmental-friendly plastic ball field surface layer designed by the invention has the advantages of uniform thickness, good elasticity, wear resistance, pollution resistance, ultraviolet resistance and good anti-skid property, can be directly constructed on a wood multilayer board, a steel plate, a cement foundation and an asphalt foundation, and can be laid seamlessly, so that the elastic thickness of each layer of structure is consistent, the bonding is firm, the service life is long, the plastic ball field surface layer can be recycled, the resources are saved, and the investment is also saved; the manufacturing method can reach various performances such as thickness, impact absorption, ball rebound rate and the like under any condition under actual construction conditions, meets international and national ball standard requirements, ensures that the environment-friendly plastic court has good performance, and has low maintenance cost, long service life and low repair cost.
Description
Technical Field
The invention relates to the technical field of playground surface layers, in particular to an ACPU structural environment-friendly plastic court surface layer and a manufacturing method thereof.
Background
At present, with the development of economic development of full-name body-building sports, more and more sports field facilities of schools, villages, communities and sports parks are improved, such as village basketball courts, community sports park courts and the like. The synthetic material playground layer has the advantages of good elasticity, good shock absorption, beautiful color, reduction of accidental injury of athletes and the like, and the synthetic material playground layer has the advantages of ball playground layer and multifunctional playground layer, and the plastic court is an indispensable part of sports facilities.
The material is a paved silicon PU plastic court in general nationwide from 2005, has good buffering performance and strong bonding force, and is not easy to generate bubbles. Since then, silicon PU products are released by various manufacturers all over the country, and the products are rapidly developed. At present, however, organic solvent xylene or other solvents are required to be added in the products or in the construction process so as to reduce the viscosity of the products and meet the construction requirements. Due to the high use frequency of the plastic court and the influence of severe weather such as ultraviolet rays, acid rain, ice cold and the like, the tensile property of the plastic court with uneven actual construction thickness is gradually reduced, and the problems of aging, cracking, peeling, delamination, surface layer abrasion and the like occur after long-time use, so that the service life of the surface layer of the plastic court in the sports ground is greatly shortened. In order to solve the above problems, an ACPU structural environmental-friendly plastic court cover and a method for manufacturing the same are provided.
Disclosure of Invention
The invention aims to provide an ACPU structural type environment-friendly plastic court surface layer and a manufacturing method thereof, so as to solve the problems in the background technology.
In order to solve the technical problems, one of the objectives of the present invention is to provide an ACPU structural type environmental protection plastic court surface layer, which comprises a bottom layer, a bonding layer, a shock absorption layer, a sealing layer, a reinforcing layer, a structural layer and a surface layer, which are sequentially abutted from bottom to top through end surfaces; the bottom layer is made of single-component solvent-free polyurethane; the material of the bonding layer is single-component solvent-free moisture-curing polyurethane bonding adhesive; the shock absorption layer is made of a high-elasticity EPDM rubber coiled material or a high-elasticity ETPU coiled material; the sealing layer is made of single-component solvent-free moisture-curing polyurethane; the reinforcing layer is made of a single-component solvent-free moisture-curing polyurethane elastomer; the structural layer is made of solvent-free polyurethane; the surface layer is made of solvent-free polyurethane.
As a further improvement of the present technical solution, the thicknesses of the shock absorbing layer, the reinforcing layer, the structural layer, and the bonding layer are sequentially reduced.
The invention also provides a method for manufacturing the ACPU structure type environment-friendly plastic court surface layer, which comprises the following steps:
s1, leveling and compacting the ground where the ACPU structure type environment-friendly plastic court surface layer needs to be manufactured, removing sundry and messy stones on the ground, and ensuring the ground to be flat and free of obstacles;
s2, planning the shape and the model of the ACPU structure type environment-friendly plastic court surface layer to be manufactured on the leveled field, and marking with lime to determine the construction range;
s3, measuring and calculating the area of the construction range, and respectively calculating the required amount of each raw material according to the thickness requirement of each layer of the surface layer of the ACPU structural environment-friendly plastic court to be manufactured;
s4, entering construction materials and tools;
s5, sequentially manufacturing each layer structure according to the sequence of bottom layer-bonding layer-shock absorbing layer-sealing layer-reinforcing layer-structural layer-surface layer;
and S6, finishing construction, cutting off irregular parts on the edge of the surface layer of the plastic court according to a pre-planned construction range after the whole structure of the surface layer of the plastic court is hardened and molded, and sealing and reinforcing the outer edge of the surface layer of the plastic court by adopting conventional building materials.
As a further improvement of the present invention, in S5, the specific method of sequentially performing the manufacturing operation of each layer structure includes the steps of:
s5.1, constructing a bottom layer: the method is characterized in that single-component solvent-free polyurethane is used as a material, a roller is used for fully coating a ground foundation according to the using amount of 0.15-0.25 kg per square meter, and the paved part of the structural environment-friendly plastic court is in place by roller coating, so that omission is avoided;
s5.2, construction of a bonding layer: uniformly scraping the single-component solvent-free moisture-curing polyurethane adhesive by using a tooth scraper according to the dosage of 0.5-1 kg per square meter;
s5.3, constructing a shock absorption layer: adopting a high-elasticity EPDM rubber coiled material or a high-elasticity ETPU coiled material with the thickness of 3-7 mm, scraping a bonding layer while laying a shock-absorbing layer according to the width of the coiled material of 1.22m, and rolling the high-elasticity EPDM rubber coiled material or the high-elasticity ETPU coiled material back and forth by using a special pressure roller while laying to completely bond the coiled material with a foundation;
s5.4, sealing layer construction: after the high-elasticity EPDM rubber coiled material or the high-elasticity ETPU coiled material is firmly bonded, the using amount of a scraper per square meter is 0.25-0.35 kg, and the joints and pores of the high-elasticity EPDM rubber coiled material or the high-elasticity ETPU coiled material are completely sealed by the single-component solvent-free moisture-cured polyurethane;
s5.5, reinforcing layer construction: preparing a reinforcing material by adopting single-component solvent-free moisture-curing polyurethane, 0.1% of environment-friendly drier and 1% of water, conveying the uniformly stirred reinforcing material to a sealed shock absorption layer high-elasticity EPDM rubber coiled material or high-elasticity ETPU coiled material, and blade-coating the reinforcing material on the shock absorption layer at one time by using tooth palladium to reach the thickness of 2-4 mm;
s5.6, construction of a structural layer: uniformly stirring a solvent-free polyurethane component A and a component B according to the proportion of 3.6:1 to prepare a structural material, conveying the uniformly stirred structural material onto a reinforcing layer, and blade-coating the structural material on the reinforcing layer at one time by using tooth palladium to reach the thickness of 0.8-2 mm;
s5.7, surface layer construction: uniformly stirring a solvent-free polyurethane A component and a solvent-free polyurethane B component according to the proportion of 5.7:1 to obtain a surface layer structure material, rolling and coating the uniformly stirred surface layer material on the structure layer for 1-2 times by using a roller according to the dosage of 0.13-0.25 kg per square meter until no exposed bottom exists, and slightly rolling for many times until the surface has uniform color and no rolling mark marks exist, so that the super wear-resistant surface layer is formed.
As a further improvement of the technical scheme, in S5.2, the one-component solvent-free polyurethane of the bottom layer is required to be completed within one hour before the one-component solvent-free moisture-curable polyurethane adhesive of the adhesive layer is scraped, that is, the scraping operation of the one-component solvent-free moisture-curable polyurethane adhesive of the adhesive layer is performed before the bottom layer is dried and does not form a film, so as to ensure that the shock absorbing layer and the bottom layer of the foundation are firmly bonded.
As a further improvement of the technical scheme, in S5.5, when preparing the reinforcing material, the single-component solvent-free moisture-curable polyurethane is poured into a stirrer, 0.1% of the environment-friendly drier and 1% of the water are added, and the mixture is uniformly stirred for 2-3 min until the materials of the components are uniformly mixed.
In S5.6, when the structural material is prepared, the solvent-free polyurethane A component and the solvent-free polyurethane B component are poured into a stirrer according to the ratio of 3.6:1, and are uniformly stirred for 2-3 min until the AB component is uniformly mixed.
In S5.7, when the surface layer material is prepared, the solvent-free polyurethane A component and the solvent-free polyurethane B component are poured into a stirrer according to the ratio of 5.7:1, and are uniformly stirred for 2-3 min until the AB component is uniformly mixed.
As a further improvement of the technical solution, in S6, the conventional building material may be masonry or concrete, or granite road tartar or concrete.
As a further improvement of the technical solution, in S6, the sealing and reinforcing operation performed on the outer edge of the surface layer of the plastic court by using the conventional building materials may be performed after the manufacturing of the surface layer of the environmental protection plastic court is completed, or may be performed in S2, and then the subsequent manufacturing operation of the surface layer of the environmental protection plastic court is performed only within the range of the reinforcing edge.
Compared with the prior art, the invention has the beneficial effects that:
1. the ACPU structural environment-friendly plastic ball field surface layer is uniform in thickness, good in elasticity, wear-resistant, stain-resistant and ultraviolet-resistant, and has good anti-skid performance, and the bottom layer of the ACPU structural environment-friendly plastic ball field surface layer is made of single-component solvent-free polyurethane, so that the ACPU structural environment-friendly plastic ball field surface layer can be directly constructed on a wood multilayer board, a steel plate, a cement foundation and an asphalt foundation; the shock absorption layer is made of high-elasticity EPDM rubber coiled materials or high-elasticity EPTU coiled materials which are consistent in thickness, the surface layer and the structural layer are made of solvent-free polyurethane to form the super wear-resistant layer, the reinforcing layer, the sealing layer and the bonding layer are made of single-component solvent-free moisture-cured polyurethane, and the structures of the layers are laid seamlessly, so that the structures of the layers are consistent in elastic thickness and firm in bonding, various performances meet international and national standards, the shock absorption layer is long in service life, and can be recycled, resources are fully utilized, resources are saved, and investment is also saved;
2. the manufacturing method of the ACPU structural environment-friendly plastic court surface layer can meet the requirements of international and national ball standard on various performances such as thickness, impact absorption, ball rebound rate and the like under any condition under actual construction conditions, can be directly constructed on a wood multilayer board, a steel plate, a cement foundation and an asphalt foundation, ensures that the structural environment-friendly plastic court has uniform thickness, good elasticity, wear resistance, pollution resistance, ultraviolet resistance and good anti-slip performance, has low maintenance cost and long service life, only needs to roll the surface layer for repairing after the surface layer is worn under the conditions of severe weather influence and high use frequency, and has low repairing cost.
Drawings
FIG. 1 is a schematic view of a partial half-section structure of an ACPU structural type environmental-friendly plastic court surface layer according to the present invention;
FIG. 2 is a flow chart of an overall manufacturing method of the present invention;
FIG. 3 is a flow chart of a partial fabrication method of the present invention.
In the figure:
1. a bottom layer; 2. a bonding layer; 3. a shock absorbing layer; 4. a sealing layer; 5. a reinforcing layer; 6. a structural layer; 7. and (6) a surface layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, this embodiment provides an ACPU structural type environmental protection plastic court surface course, including bottom layer 1, tie coat 2, shock-absorbing layer 3, sealing layer 4, enhancement layer 5, structural layer 6 and surface course 7 that loop through the terminal surface butt from bottom to top.
In this embodiment, the material of the bottom layer 1 is single-component solvent-free polyurethane, and the material has strong permeability to the foundation and good binding force with the adhesive.
Furthermore, the material of the bonding layer 2 is a single-component solvent-free moisture-curing polyurethane bonding adhesive, and the material has good adhesiveness, good tensile rate and strong adhesive force.
Further, the material of the shock absorbing layer 3 is a high-elasticity EPDM rubber coil or a high-elasticity ETPU coil, which includes an elastomer having a saturated chain of the polyethylene type, made of ethylene, propylene and diene comonomers, the main polymer chains of which are fully saturated, and thus can resist heat, light, ozone, achieving superior oxidation, ozone and erosion resistance.
Specifically, the high-elasticity EPDM rubber coiled material or the high-elasticity ETPU coiled material has consistent thickness and elasticity, good tensile strength, difficult cracking, aging resistance, oxidation resistance, ozone resistance and erosion resistance, more than thirty years of service life and capability of recycling.
Further, the sealing layer 4 is made of one-component solvent-free moisture-curing polyurethane.
Furthermore, the material of the reinforcing layer 5 is a single-component solvent-free moisture-curing polyurethane elastomer, the material is safe and environment-friendly, the construction is simple, the quality is guaranteed, the polyurethane elastomer has the characteristics of wear resistance, aging resistance, heat resistance, cold resistance, tastelessness, no pollution, no solvent, no toxic and harmful substances and the like, and the seamless laying ensures good tensile strength and good elastic performance, so that the structural performance is stable and the service life is long.
Furthermore, the material of the structural layer 6 is solvent-free polyurethane, and the material has the characteristics of impact resistance, damage resistance, good elasticity and the like.
Furthermore, the surface layer 7 is made of solvent-free polyurethane, is prepared by mixing AB components in a specific proportion, and has the advantages of strong wear resistance, stain resistance, acid and alkali resistance, good weather resistance and long service life.
In this embodiment, the thicknesses of the shock absorbing layer 3, the reinforcing layer 5, the structural layer 6 and the bonding layer 2 are sequentially reduced to ensure the thickness and elasticity of the surface layer of the whole environment-friendly plastic court and ensure the super-strong weather resistance and durability.
Specifically, the ACPU structural environment-friendly plastic court surface layer can prevent athletes from being injured and damaged by accidents, has consistent thickness and elasticity, and plays a role in protecting joints, bones and ligaments of primary and secondary school children and kindergarten children during growth; the surface of the device is neither too smooth nor too astringent, the device can meet the action of rapid movement and stop, and the movement process is controllable, so that accidental injury and damage of movement are avoided; the novel rubber-plastic composite material has the advantages of good overall elasticity, safety, environmental protection, uniform thickness, consistent impact coefficient, super-strong weather resistance and durability, and long service life, and completely meets the standard requirements of GB36246-2018 and GB 14833-2020.
As shown in fig. 2-3, this embodiment further provides a method for manufacturing an ACPU structure type environment-friendly plastic court surface layer, including the above-mentioned ACPU structure type environment-friendly plastic court surface layer, including the following steps:
s1, leveling and compacting the ground where the ACPU structure type environment-friendly plastic court surface layer needs to be manufactured, removing sundry and messy stones on the ground, and ensuring the ground to be flat and free of obstacles;
s2, planning the shape and the model of the ACPU structure type environment-friendly plastic court surface layer to be manufactured on the leveled field, and marking with lime to determine the construction range;
s3, measuring and calculating the area of the construction range, and respectively calculating the required amount of each raw material according to the thickness requirement of each layer of the surface layer of the ACPU structural environment-friendly plastic court to be manufactured;
s4, entering construction materials and tools;
s5, sequentially manufacturing each layer structure according to the sequence of the bottom layer 1, the bonding layer 2, the shock absorption layer 3, the sealing layer 4, the reinforcing layer 5, the structural layer 6 and the surface layer 7;
and S6, finishing construction, cutting off irregular parts on the edge of the surface layer of the plastic court according to a pre-planned construction range after the whole structure of the surface layer of the plastic court is hardened and molded, and sealing and reinforcing the outer edge of the surface layer of the plastic court by adopting conventional building materials.
In this embodiment, a specific method for sequentially performing the manufacturing operation of each layer structure in S5 includes the steps of:
s5.1, constructing a bottom layer 1: the method is characterized in that single-component solvent-free polyurethane is used as a material, a roller is used for fully coating a ground foundation according to the using amount of 0.15-0.25 kg per square meter, and the paved part of the structural environment-friendly plastic court is in place by roller coating, so that omission is avoided;
s5.2, construction of a bonding layer 2: uniformly scraping the single-component solvent-free moisture-curing polyurethane adhesive by using a tooth scraper according to the dosage of 0.5-1 kg per square meter;
s5.3, constructing the shock absorption layer 3: adopting a high-elasticity EPDM rubber coiled material or a high-elasticity ETPU coiled material with the thickness of 3-7 mm, scraping and coating the bonding layer 2, paying off according to the width of the coiled material of 1.22m, laying the shock-absorbing layer 3, rolling the high-elasticity EPDM rubber coiled material or the high-elasticity ETPU coiled material back and forth by using a special pressure roller while laying, and completely bonding the coiled material and a foundation;
s5.4, construction of a sealing layer 4: after the high-elasticity EPDM rubber coiled material or the high-elasticity ETPU coiled material is firmly bonded, the using amount of a scraper per square meter is 0.25-0.35 kg, and the joints and pores of the high-elasticity EPDM rubber coiled material or the high-elasticity ETPU coiled material are completely sealed by the single-component solvent-free moisture-cured polyurethane;
s5.5, constructing a reinforcing layer 5: preparing a reinforcing material by adopting single-component solvent-free moisture-curing polyurethane, 0.1% of environment-friendly drier and 1% of water, conveying the uniformly stirred reinforcing material to a sealed shock absorption layer 3 high-elasticity EPDM rubber coiled material or high-elasticity ETPU coiled material, and blade-coating the reinforcing material on the shock absorption layer 3 at one time by using tooth palladium to reach the thickness of 2-4 mm;
s5.6, constructing a structural layer 6: uniformly stirring a solvent-free polyurethane component A and a component B according to the proportion of 3.6:1 to prepare a structural material, conveying the uniformly stirred structural material onto a reinforcing layer 5, and blade-coating the structural material on the reinforcing layer 5 at one time by using tooth palladium to reach the thickness of 0.8-2 mm;
s5.7, constructing a surface layer 7: firstly, uniformly stirring a solvent-free polyurethane A component and a solvent-free polyurethane B component according to the proportion of 5.7:1 to obtain a surface layer structural material, rolling and coating the uniformly stirred surface layer material on the structural layer 6 for 1-2 times by using a roller according to the dosage of 0.13-0.25 kg per square meter until no exposed bottom exists, and slightly rolling for many times until the surface color is uniform and no rolling mark is marked, thereby forming the super wear-resistant surface layer 7.
In this embodiment, in S5.2, the one-component solvent-free polyurethane of the bottom layer 1 needs to be completed within one hour before the one-component solvent-free moisture-curable polyurethane adhesive of the adhesive layer 2 is scraped, that is, the scraping operation of the one-component solvent-free moisture-curable polyurethane adhesive of the adhesive layer 2 is performed before the surface of the bottom layer 1 is dried and a film is not formed, so as to ensure that the shock absorbing layer 3 and the bottom layer 1 of the foundation are firmly bonded.
Further, in S5.5, when the reinforcing material is prepared, the single-component solvent-free moisture-curing polyurethane is poured into a stirrer, 0.1% of the environment-friendly drier and 1% of the water are added, and the mixture is uniformly stirred for 2-3 min until the materials of the components are uniformly mixed.
Further, in S5.6, when the structural material is prepared, the solvent-free polyurethane A component and the solvent-free polyurethane B component are poured into a stirrer according to the ratio of 3.6:1, and are uniformly stirred for 2-3 min until the AB component is uniformly mixed.
Further, in S5.7, when the surface layer material is prepared, the solvent-free polyurethane A component and the solvent-free polyurethane B component are poured into a stirrer according to the proportion of 5.7:1, and are uniformly stirred for 2-3 min until the AB component is uniformly mixed.
In this embodiment, in S6, the conventional building material may be masonry or concrete, or granite road tartar or concrete.
Further, in S6, the sealing and reinforcing operation performed on the outer edge of the plastic court surface layer by using the conventional building materials can be performed after the environmental-friendly plastic court surface layer is manufactured, or can be performed in step S2, so that the subsequent manufacturing operation of the environmental-friendly plastic court surface layer is performed only within the range of the reinforcing edge.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a ACPU structure type environmental protection plastic court surface course which characterized in that: comprises a bottom layer (1), a bonding layer (2), a shock absorption layer (3), a sealing layer (4), a reinforcing layer (5), a structural layer (6) and a surface layer (7) which are sequentially abutted from bottom to top through end surfaces; the bottom layer (1) is made of single-component solvent-free polyurethane; the bonding layer (2) is made of single-component solvent-free moisture-curing polyurethane bonding adhesive; the shock absorption layer (3) is made of a high-elasticity EPDM rubber coiled material or a high-elasticity ETPU coiled material; the sealing layer (4) is made of single-component solvent-free moisture-curing polyurethane; the reinforcing layer (5) is made of a single-component solvent-free moisture-curing polyurethane elastomer; the structural layer (6) is made of solvent-free polyurethane; the surface layer (7) is made of solvent-free polyurethane.
2. The ACPU structural environmentally friendly plastic court cover of claim 1, wherein: the thickness of the shock absorption layer (3), the reinforcing layer (5), the structural layer (6) and the bonding layer (2) is reduced in sequence.
3. A method for manufacturing an ACPU structural environmentally friendly plastic court cover, comprising the ACPU structural environmentally friendly plastic court cover of claim 2, wherein: the method comprises the following steps:
s1, leveling and compacting the ground where the ACPU structure type environment-friendly plastic court surface layer needs to be manufactured, removing sundry and messy stones on the ground, and ensuring the ground to be flat and free of obstacles;
s2, planning the shape and the model of the ACPU structure type environment-friendly plastic court surface layer to be manufactured on the leveled field, and marking with lime to determine the construction range;
s3, measuring and calculating the area of the construction range, and respectively calculating the required amount of each raw material according to the thickness requirement of each layer of the surface layer of the ACPU structural environment-friendly plastic court to be manufactured;
s4, entering construction materials and tools;
s5, sequentially manufacturing the structures of the layers according to the sequence of the bottom layer (1), the adhesive layer (2), the shock absorption layer (3), the sealing layer (4), the reinforcing layer (5), the structural layer (6) and the surface layer (7);
and S6, finishing construction, cutting off irregular parts on the edge of the surface layer of the plastic court according to a pre-planned construction range after the whole structure of the surface layer of the plastic court is hardened and molded, and sealing and reinforcing the outer edge of the surface layer of the plastic court by adopting conventional building materials.
4. The manufacturing method of the ACPU structural environmental-friendly plastic court surface layer as claimed in claim 3, wherein: in S5, the specific method of sequentially performing the manufacturing operation of each layer structure includes the steps of:
s5.1, constructing a bottom layer (1): the method is characterized in that single-component solvent-free polyurethane is used as a material, a roller is used for fully coating a ground foundation according to the using amount of 0.15-0.25 kg per square meter, and the paved part of the structural environment-friendly plastic court is in place by roller coating, so that omission is avoided;
s5.2, construction of the bonding layer (2): uniformly scraping the single-component solvent-free moisture-curing polyurethane adhesive by using a tooth scraper according to the dosage of 0.5-1 kg per square meter;
s5.3, constructing the shock absorption layer (3): adopting a high-elasticity EPDM rubber coiled material or a high-elasticity ETPU coiled material with the thickness of 3-7 mm, scraping and coating an adhesive layer (2) while paying off according to the width of the coiled material of 1.22m to lay a shock absorption layer (3), and rolling the high-elasticity EPDM rubber coiled material or the high-elasticity ETPU coiled material back and forth by using a special pressure roller while laying to completely bond the coiled material with a foundation;
s5.4, construction of a sealing layer (4): after the high-elasticity EPDM rubber coiled material or the high-elasticity ETPU coiled material is firmly bonded, the using amount of a scraper per square meter is 0.25-0.35 kg, and the joints and pores of the high-elasticity EPDM rubber coiled material or the high-elasticity ETPU coiled material are completely sealed by the single-component solvent-free moisture-cured polyurethane;
s5.5, constructing a reinforcing layer (5): preparing a reinforcing material by adopting single-component solvent-free moisture-curing polyurethane, 0.1% of environment-friendly drier and 1% of water, conveying the uniformly stirred reinforcing material to a sealed shock absorption layer (3) high-elasticity EPDM rubber coiled material or high-elasticity ETPU coiled material, and blade-coating the reinforcing material on the shock absorption layer (3) at one time by using tooth palladium to reach the thickness of 2-4 mm;
s5.6, construction of a structural layer (6): uniformly stirring a solvent-free polyurethane component A and a component B according to the proportion of 3.6:1 to prepare a structural material, conveying the uniformly stirred structural material onto a reinforcing layer (5), and blade-coating the structural material on the reinforcing layer (5) at one time by using tooth palladium to reach the thickness of 0.8-2 mm;
s5.7, constructing a surface layer (7): uniformly stirring a surface layer structure material by using the solvent-free polyurethane A component and the solvent-free polyurethane B component according to the proportion of 5.7:1, rolling and coating the uniformly stirred surface layer material on the structure layer (6) for 1-2 times by using a roller according to the dosage of 0.13-0.25 kg per square meter until no exposed bottom exists, and slightly rolling for many times until the surface has uniform color and no rolling mark exists, thereby forming the super wear-resistant surface layer (7).
5. The manufacturing method of the ACPU structural environmental-friendly plastic court surface layer as claimed in claim 4, wherein: in the S5.2, the single-component solvent-free polyurethane of the bottom layer (1) needs to be finished within one hour before the single-component solvent-free moisture-cured polyurethane adhesive of the adhesive layer (2) is scraped, namely, the scraping and coating operation of the single-component solvent-free moisture-cured polyurethane adhesive of the adhesive layer (2) is carried out before the surface of the bottom layer (1) is dry and a film is not formed, so that the firm adhesion between the shock absorption layer (3) and the basic bottom layer (1) is ensured.
6. The manufacturing method of the ACPU structural environmental-friendly plastic court surface layer as claimed in claim 4, wherein: in S5.5, when the reinforcing material is prepared, the single-component solvent-free moisture-curing polyurethane is poured into a stirrer, 0.1% of the environment-friendly drier and 1% of the water are added, and the mixture is uniformly stirred for 2-3 min until the materials of the components are uniformly mixed.
7. The manufacturing method of the ACPU structural environmental-friendly plastic court surface layer as claimed in claim 4, wherein: in S5.6, when the structural material is prepared, the solvent-free polyurethane A component and the solvent-free polyurethane B component are poured into a stirrer according to the ratio of 3.6:1, and are uniformly stirred for 2-3 min until the AB component is uniformly mixed.
8. The manufacturing method of the ACPU structural environmental-friendly plastic court surface layer as claimed in claim 4, wherein: in S5.7, when the surface layer material is prepared, the solvent-free polyurethane A component and the solvent-free polyurethane B component are poured into a stirrer according to the ratio of 5.7:1, and are uniformly stirred for 2-3 min until the AB component is uniformly mixed.
9. The manufacturing method of the ACPU structural environmental-friendly plastic court surface layer as claimed in claim 3, wherein: in S6, the conventional building material may be masonry, concrete, or granite road tartar and concrete.
10. The manufacturing method of the ACPU structural environmental-friendly plastic court surface layer as claimed in claim 3, wherein: in S6, the sealing and reinforcing operations performed on the outer edge of the surface layer of the plastic court by using the conventional building materials may be performed after the manufacturing of the surface layer of the environment-friendly plastic court is completed, or may be performed in S2, so that the subsequent operations for manufacturing the surface layer of the environment-friendly plastic court are performed only within the range of the reinforcing edge.
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| Publication number | Priority date | Publication date | Assignee | Title |
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