CN217733662U

CN217733662U - Novel semi-prefabricated runway stadium of environmental protection TPU

Info

Publication number: CN217733662U
Application number: CN202123374984.4U
Authority: CN
Inventors: 杨惠春; 张大为
Original assignee: Guangdong Yashe Sports Industry Co ltd
Current assignee: Guangdong Yashe Sports Industry Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-11-04
Anticipated expiration: 2031-12-30

Abstract

A novel environment-friendly TPU semi-prefabricated track playground comprises a waterproof layer, a first silicon PU layer, a buffer layer, a second silicon PU layer and a decorative surface layer, and is characterized in that the first silicon PU layer is laid on the top surface of the waterproof layer through glue adhesion; a buffer layer is paved on the top surface of the first silicon PU layer through colloid adhesion; the buffer layer comprises TPU particles, PU high-elasticity particles and inert foam; a second silicon PU layer is paved on the top surface of the buffer layer through colloid bonding; a decorative surface layer is paved on the top surface of the second silicon PU layer through colloid bonding; the whole components of the TPU are reduced, the original advantages of the TPU can be kept, and the cost can be reduced; by recycling the waste TPU and the inert foam material, the manufacturing cost is further saved, and the waste material can be recycled.

Description

Novel semi-prefabricated runway stadium of environmental protection TPU

Technical Field

The utility model relates to a field is made to the runway, specifically is a novel half prefabricated runway stadium of environmental protection TPU.

Background

The plastic track is also called as an all-weather track and field sports track, has the characteristics of good flatness, high compressive strength, proper hardness and elasticity and stable physical performance, is beneficial to the exertion of the speed and the technology of athletes, effectively improves the sports achievement and reduces the injury rate. The plastic track has certain elasticity and color, certain ultraviolet resistance and aging resistance, and is the best all-weather outdoor sports ground floor material internationally recognized.

At present, most of plastic runways adopt TPU materials as buffer layers, and the TPU has good weather resistance and excellent ultraviolet resistance without yellowing. The low-temperature resistance is excellent, good elasticity can be kept at 35 ℃ below zero, and outstanding mechanical properties such as abrasion resistance, tear resistance, bending strength and impact strength are excellent; the TPU has the remarkable advantages of high tensile strength, large elongation at break, low permanent compression deformation rate, good vertical compression absorption and the like; but the playground is paved by the TPU material, so that the cost is high, and the whole construction time is long.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a novel semi-prefabricated runway stadium of environmental protection TPU is provided, the problem of proposing in the above-mentioned background art can effectively be solved.

In order to solve the above problems, the utility model adopts the following technical scheme: the decorative surface layer is characterized in that the first silicon PU layer is laid on the top surface of the waterproof layer through adhesive bonding; a buffer layer is paved on the top surface of the first silicon PU layer through colloid adhesion; the thickness of the buffer layer is 2mm-30mm; a second silicon PU layer is paved on the top surface of the buffer layer through colloid bonding; and a decorative surface layer is laid on the top surface of the second silicon PU layer through adhesive bonding.

As a further preferable aspect of the present invention, the waterproof layer is a waterproof coating.

As a further preferable scheme of the present invention, the decorative surface layer further includes thermoplastic polyester elastomer particles TPEE.

As a further preferable scheme of the present invention, the layer thickness of the first silicon PU layer is 2mm-10mm; the thickness of the second silicon PU layer is 5mm-20mm.

Compared with the prior art, the utility model provides a novel half prefabricated runway stadium of environmental protection TPU possesses following beneficial effect:

the structure has good adhesion, excellent flatness and good weather resistance, and solves the problems of the shrinkage joint expansion with heat and contraction with cold of the prefabricated runway, and the quality problems of the traditional plastic runway that the construction process is complicated, and the foaming and delamination are easy to occur; the buffer layer adopts a semi-prefabricated mode, is convenient and quick to construct, can be used in all weather, has long service life, is non-toxic and tasteless, and meets the new national standard GB/36246-2018; the whole components of the TPU are reduced, the original advantages of the TPU can be kept, and the cost can be reduced; by recycling the waste TPU and the inert foam material, the manufacturing cost is further saved, and the waste material can be recycled.

Drawings

FIG. 1 is a schematic structural view of the present invention;

wherein: 1. waterproof layer, 2, first silicon PU layer, 3, buffer layer, 4, second silicon PU layer, 5, decorative surface layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1, the utility model provides a novel environment-friendly TPU semi-prefabricated track playground, which comprises a waterproof layer 1, a first silicon PU layer 2, a buffer layer 3, a second silicon PU layer 4 and a decorative surface layer 5, and is characterized in that the first silicon PU layer 2 is laid on the top surface of the waterproof layer 1 through colloid bonding; the top surface of the first silicon PU layer 2 is adhered and paved with a buffer layer 3 through colloid; the buffer layer 3 comprises TPU particles, PU high-elasticity particles and inert foam; a second silicon PU layer 4 is paved on the top surface of the buffer layer 3 through colloid bonding; a decorative surface layer 5 is paved on the top surface of the second silicon PU layer 4 through adhesive bonding; the decorative surface layer 5 comprises a benzotriazole type ultraviolet light shielding layer and is used for preventing ultraviolet light from aging the decorative surface layer 5; wherein buffer layer 3 is half prefabricated coiled material, directly lays the 3 coiled materials of buffer layer flat when laying and lays and bond through the colloid, and easy operation, simple to operate just can guarantee holistic roughness, adopt the structure on two silicon PU layers for strengthen the elasticity and the intensity of buffer layer.

As a further preferred scheme of the utility model, the decorative surface layer 5 comprises color paste, talcum powder and glue; the wear resistance and tear resistance of the surface layer are enhanced by mixing and stirring the ingredients.

As a further preferable scheme of the present invention, the decorative surface layer 5 further comprises thermoplastic polyester elastomer particles TPEE; the TPEE is added on the basis of the original decorative surface layer 5, and the TPEE has the characteristics of excellent fatigue resistance and high elasticity, so that the application of the TPEE to the track sports ground can ensure that the decorative surface layer 5 has heat resistance and cold resistance and improve the support property for athletes.

As a further preferred scheme of the utility model, waterproof layer 1 is water proof coating, mainly acts on and blocks basic steam and consolidates the base face.

As a further preferable scheme of the utility model, in the components of the buffer layer 3, the TPU particles account for 20% -80%, the PU high-elasticity particles account for 30% -50%, and the inert foam accounts for 10% -80%; the following further explains the process based on the proportion, wherein the proportion of TPU particles is 20-50%, the proportion of PU is 30-40%, and the proportion of inert foam is 10-50%, the components are mixed and stirred to be uniformly distributed, glue is added to be mixed and pressed into the buffer layer 3, and the inert foam is used for filling gaps between the TPU particles and the PU high-elasticity particles and has the function of buffering stress and still feeding back good supporting force.

As a further preferred scheme of the present invention, styrene SBS is further added to the buffer layer 3; the styrene SBS accounts for 10% -20% of the total components of the buffer layer 3, wherein the specific proportion of the styrene SBS is 10% -15%, and the styrene SBS has good tensile strength and is added into the buffer layer 3, so that the tensile strength of the buffer layer 3 can be improved in the laying process, construction is more convenient and smoother, the durability of the buffer layer is improved, and the use cost is reduced.

As a further preferable embodiment of the present invention, the thickness of the buffer layer 3 is 2mm to 30mm.

As a further preferable scheme of the present invention, the layer thickness of the first silicon PU layer 2 is 2mm to 10mm; the layer thickness of the second silicon PU layer 4 is 5mm-20mm.

As a concrete embodiment of the utility model, retrieve old and useless TPU and inert foam material in the market, add PU high elasticity granule, mix according to above-mentioned proportion and smash into tiny granule dress, then add glue and mix and press into half prefabricated coiled material, use half prefabricated coiled material as buffer layer 3 and apply to a novel half prefabricated runway stadium of environmental protection TPU on.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A novel environment-friendly TPU semi-prefabricated track playground comprises a waterproof layer (1), a first silicon PU layer (2), a buffer layer (3), a second silicon PU layer (4) and a decorative surface layer (5), and is characterized in that the first silicon PU layer (2) is laid on the top surface of the waterproof layer (1) through adhesive bonding; the top surface of the first silicon PU layer (2) is adhered and paved with a buffer layer (3) through colloid; the thickness of the buffer layer (3) is 2mm-30mm; a second silicon PU layer (4) is paved on the top surface of the buffer layer (3) through colloid bonding; and a decorative surface layer (5) is paved on the top surface of the second silicon PU layer (4) through colloid bonding.

2. A novel environment-friendly TPU semi-prefabricated track playing field according to claim 1 wherein the waterproof layer (1) is a waterproof paint.

3. A novel environment-friendly TPU semi-prefabricated track playing field according to claim 1 wherein the layer thickness of the first silicon PU layer (2) is 2mm-10mm; the thickness of the second silicon PU layer (4) is 5mm-20mm.