Prefabricated sports floor coiled material and application thereof in Pick ball or tennis court

Abstract

The invention relates to a prefabricated sports floor coiled material which comprises a bottom slurry layer, a glass fiber gridding cloth layer, a middle slurry layer and a surface slurry layer, surface layer slurry for preparing the surface layer slurry layer comprises the following components in parts by weight: 40-60 parts of modified acrylic emulsion, 20-30 parts of inorganic resin and 15-25 parts of inorganic mineral substances; middle slurry and bottom slurry for preparing the middle slurry layer and the bottom slurry layer respectively comprise 20-30 parts by weight of modified acrylic emulsion, 40-60 parts by weight of inorganic resin and 15-25 parts by weight of inorganic mineral substances. The floor coiled material is good in flexibility, waterproof, weather-proof, convenient to roll and transport, short in construction period and suitable for indoor and outdoor sites, and meets the physical parameter requirements of Pick balls and tennis balls on floors.

Description

Technical Field

[0001] The invention relates to a prefabricated sports floor coil and application thereof in a pickleball or tennis court. Background Art

[0002] Traditional sports venues are usually made of PVC. Although this material has the advantages of wear resistance, waterproofness, moisture resistance, and easy cleaning, it is easily scratched by sharp objects, prone to aging, and has environmental issues.

[0003] Pickleball and tennis are national fitness sports that have become well-known and accepted by the public in recent years. Both sports involve hitting the ball with a racket. They are fitness, fun, age-appropriate, economical, safe, suitable for people of all ages, and have strong social attributes.

[0004] Pickleball and tennis ball are similar in size, but different in texture and material. However, the requirements for the venue are similar, requiring a floor material with good ball rebound performance and excellent anti-slip performance. Summary of the invention

[0005] The purpose of the present invention is to provide a prefabricated sports floor roll material which has good flexibility, is waterproof and weather-resistant, is convenient to roll up and transport, and has a short construction period, and its application in pickleball or tennis courts.

[0006] The present invention adopts the following technical solution: A prefabricated sports floor coil comprises a bottom slurry layer, a glass fiber mesh cloth layer, an intermediate slurry layer and a surface slurry layer; the surface slurry for preparing the surface slurry layer comprises 40-60 parts by weight of modified acrylic emulsion, 20-30 parts by weight of inorganic resin and 15-25 parts by weight of inorganic minerals; the intermediate slurry and the bottom slurry for preparing the intermediate slurry layer and the bottom slurry layer both comprise 20-30 parts by weight of modified acrylic emulsion, 40-60 parts by weight of inorganic resin and 15-25 parts by weight of inorganic minerals.

[0007] Furthermore, the inorganic resin is a silicate resin.

[0008] Furthermore, the inorganic minerals include mineral fillers such as quartz sand, calcium carbonate or barium sulfate.

[0009] Furthermore, the surface slurry, the middle slurry and the bottom slurry all include 5 to 8 parts by weight of a flame retardant, 0.1 to 0.3 parts by weight of a defoaming agent and 0.3 to 0.8 parts by weight of an antibacterial agent.

[0010] Furthermore, the flame retardant is aluminum hydroxide; the defoaming agent is polyether modified siloxane; and the antibacterial agent is isothiazolinone preservative and bactericide (BIT).

[0011] Furthermore, the surface slurry, the middle slurry and the bottom slurry are all prepared by the following method: (1) Mix the modified acrylic emulsion and the inorganic resin at 40-50°C and stirring speed of 300-500 r / min; (2) Add inorganic minerals and flame retardants in sequence and stir for 20 to 30 minutes; (3) Add defoamer and antibacterial agent and continue stirring for 10 minutes until uniform; (4) Pass the mixture through an 80-mesh sieve to remove particulate matter and obtain a slurry.

[0012] Furthermore, the weight of the glass fiber mesh cloth in the glass fiber mesh cloth layer is 100 g / m 2 , aperture 3mm.

[0013] A method for preparing the above-mentioned prefabricated sports floor coil comprises the following steps: (I) Apply the bottom slurry to the release film with a thickness of 0.6-0.9 mm; (II) Lay the glass fiber mesh cloth and roll it to ensure complete impregnation; (III) Apply the intermediate slurry with a thickness of 0.8~1.0mm; (IV) Curing with hot air circulation at 70-80°C for 15 min, and cooling to room temperature; (V) Apply the surface slurry with a thickness of 0.1~0.6mm; (VI) Curing with hot air circulation at 70~80℃ for 15min, and rolling up after cooling to room temperature.

[0014] An application of the prefabricated sports flooring coil in a pickleball or tennis court.

[0015] The beneficial effects of the present invention are: (1) The present invention adopts the synergistic modification of the organic-inorganic hybrid system and multiple components, and has good weather resistance compared to traditional PVC floor materials, making it suitable for outdoor scenes.

[0016] (2) When preparing the coiled material, the present invention adopts short-time high-temperature curing (less than 20 minutes) to replace the traditional natural curing (more than 24 hours), thereby improving production efficiency.

[0017] (3) The present invention uses acrylic modified resin, which has better flexibility, waterproof and weather resistance than traditional acrylic, can be prefabricated, is convenient for rolling and transportation, and has a short construction period.

[0018] (4) The present invention is used for outdoor pickleball and tennis courts, has good ball rebound and friction performance, and is highly consistent with sports needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1This is the floor roll prepared in Example 5 of the present invention. DETAILED DESCRIPTION

[0020] The solution of the present invention is described in detail below in conjunction with specific embodiments.

[0021] Example 1 A slurry for prefabricated sports floor coils is prepared by the following steps: Surface slurry: (1) Mix 50 kg of epoxy-modified acrylic emulsion and 25 kg of silicate resin at 40-50 °C and stirring speed of 300-500 r / min; (2) Add 18 kg of quartz sand and 5 kg of aluminum hydroxide in sequence and stir for 20 to 30 minutes; (3) Add 0.1 kg of polyether-modified siloxane and 0.3 kg of BIT, and continue stirring for 10 minutes until the mixture is uniform; (4) Pass the mixture through an 80-mesh sieve to remove particulate matter and obtain a slurry.

[0022] Intermediate slurry: (1) Mix 25 kg of epoxy-modified acrylic emulsion and 50 kg of silicate resin at 40-50 °C and stirring speed of 300-500 r / min; (2) Add 18 kg of quartz sand and 5 kg of aluminum hydroxide in sequence and stir for 20 to 30 minutes; (3) Add 0.1 kg of polyether-modified siloxane and 0.3 kg of BIT, and continue stirring for 10 minutes until the mixture is uniform; (4) Pass the mixture through an 80-mesh sieve to remove particulate matter and obtain a slurry.

[0023] Bottom slurry: (1) Mix 20 kg of epoxy-modified acrylic emulsion and 60 kg of silicate resin at 40-50 °C and stirring speed of 300-500 r / min; (2) Add 18 kg of quartz sand and 5 kg of aluminum hydroxide in sequence and stir for 20 to 30 minutes; (3) Add 0.1 kg of polyether-modified siloxane and 0.3 kg of BIT, and continue stirring for 10 minutes until the mixture is uniform; (4) Pass the mixture through an 80-mesh sieve to remove particulate matter and obtain a slurry.

[0024] Example 2 A slurry for prefabricated sports floor coils is prepared by the following steps: Surface slurry: (1) Mix 45 kg of water-based acrylic copolymer emulsion and 22 kg of epoxy modified resin at 40-50 °C and stirring speed of 300-500 r / min; (2) Add 20 kg of calcium carbonate and 8 kg of aluminum hydroxide in sequence and stir for 20 to 30 minutes; (3) Add 0.2 kg of polyether-modified siloxane and 0.5 kg of BIT, and continue stirring for 10 minutes until the mixture is uniform; (4) Pass the mixture through an 80-mesh sieve to remove particulate matter and obtain a slurry.

[0025] Intermediate slurry: (1) Mix 22 kg of water-based acrylic copolymer emulsion and 45 kg of epoxy modified resin at 40-50 °C and stir at a speed of 300-500 r / min; (2) Add 20 kg of calcium carbonate and 8 kg of aluminum hydroxide in sequence and stir for 20 to 30 minutes; (3) Add 0.2 kg of polyether-modified siloxane and 0.5 kg of BIT, and continue stirring for 10 minutes until the mixture is uniform; (4) Pass the mixture through an 80-mesh sieve to remove particulate matter and obtain a slurry.

[0026] Bottom slurry: (1) Mix 20 kg of water-based acrylic copolymer emulsion and 40 kg of epoxy modified resin at 40-50 °C and stir at a speed of 300-500 r / min; (2) Add 20 kg of calcium carbonate and 8 kg of aluminum hydroxide in sequence and stir for 20 to 30 minutes; (3) Add 0.2 kg of polyether-modified siloxane and 0.5 kg of BIT, and continue stirring for 10 minutes until the mixture is uniform; (4) Pass the mixture through an 80-mesh sieve to remove particulate matter and obtain a slurry.

[0027] Example 3 A slurry for prefabricated sports floor coils is prepared by the following steps: Surface slurry: (1) Mix 55 kg of epoxy-modified acrylic emulsion and 20 kg of silicate resin at 40-50 °C and stirring speed of 300-500 r / min; (2) Add 15 kg of quartz sand and 6 kg of aluminum hydroxide in sequence and stir for 20 to 30 minutes; (3) Add 0.3 kg of polyether-modified siloxane and 0.8 kg of BIT, and continue stirring for 10 minutes until the mixture is uniform; (4) Pass the mixture through an 80-mesh sieve to remove particulate matter and obtain a slurry.

[0028] Intermediate slurry: (1) Mix 20 kg of epoxy-modified acrylic emulsion and 55 kg of silicate resin at 40-50 °C and stirring speed of 300-500 r / min; (2) Add 15 kg of quartz sand and 6 kg of aluminum hydroxide in sequence and stir for 20 to 30 minutes; (3) Add 0.3 kg of polyether-modified siloxane and 0.8 kg of BIT, and continue stirring for 10 minutes until the mixture is uniform; (4) Pass the mixture through an 80-mesh sieve to remove particulate matter and obtain a slurry.

[0029] Bottom slurry: (1) Mix 20 kg of epoxy-modified acrylic emulsion and 50 kg of silicate resin at 40-50 °C and stirring speed of 300-500 r / min; (2) Add 15 kg of quartz sand and 6 kg of aluminum hydroxide in sequence and stir for 20 to 30 minutes; (3) Add 0.3 kg of polyether-modified siloxane and 0.8 kg of BIT, and continue stirring for 10 minutes until the mixture is uniform; (4) Pass the mixture through an 80-mesh sieve to remove particulate matter and obtain a slurry.

[0030] Example 4 A slurry for prefabricated sports floor coils is prepared by the following steps: Surface slurry: (1) Mix 60 kg of water-based acrylic copolymer emulsion and 30 kg of silicate resin at 40-50 °C and stir at a speed of 300-500 r / min; (2) Add 20 kg of barium sulfate and 7 kg of aluminum hydroxide in sequence and stir for 20 to 30 minutes; (3) Add 0.1 kg of polyether-modified siloxane and 0.3 kg of BIT, and continue stirring for 10 minutes until the mixture is uniform; (4) Pass the mixture through an 80-mesh sieve to remove particulate matter and obtain a slurry.

[0031] Intermediate slurry: (1) Mix 30 kg of water-based acrylic copolymer emulsion and 60 kg of silicate resin at 40-50 °C and stir at a speed of 300-500 r / min; (2) Add 20 kg of barium sulfate and 7 kg of aluminum hydroxide in sequence and stir for 20 to 30 minutes; (3) Add 0.1 kg of polyether-modified siloxane and 0.3 kg of BIT, and continue stirring for 10 minutes until the mixture is uniform; (4) Pass the mixture through an 80-mesh sieve to remove particulate matter and obtain a slurry.

[0032] Bottom slurry: (1) Mix 30 kg of aqueous acrylic copolymer emulsion and 55 kg of silicate resin at 40-50 °C and stir at a speed of 300-500 r / min; (2) Add 20 kg of barium sulfate and 7 kg of aluminum hydroxide in sequence and stir for 20 to 30 minutes; (3) Add 0.1 kg of polyether-modified siloxane and 0.3 kg of BIT, and continue stirring for 10 minutes until the mixture is uniform; (4) Pass the mixture through an 80-mesh sieve to remove particulate matter and obtain a slurry.

[0033] Example 5 The slurries of the above-mentioned embodiments 1 to 4 are used to prepare prefabricated sports floor rolls 1 to 4 respectively, such as Figure 1 As shown, the steps are: (I) Apply the bottom slurry to the release film with a thickness of 0.8 mm; (II) Lay the glass fiber mesh cloth and roll it to ensure complete impregnation; (III) Apply the intermediate slurry with a thickness of 0.9 mm; (IV) Curing with hot air circulation at 70-80°C for 15 min, and cooling to room temperature; (V) Scrape the surface slurry, thickness 0.3mm; (VI) Curing with hot air circulation at 70~80℃ for 15min, and rolling up after cooling to room temperature.

[0034] Effect example The four coils prepared in Example 5 and commercially available PVC coil flooring were subjected to performance tests, including tensile strength, flame retardancy, low temperature resistance, mildew resistance, wear resistance, ball rebound rate and anti-slip value. The results are shown in Table 1.

[0035] Table 1 Performance test results .

[0036] The results show that the invention has good weather resistance and is suitable for outdoor scenes compared with traditional PVC floor materials through the synergistic modification of the organic-inorganic hybrid system and multiple components. Compared with traditional acrylic acid, it has better flexibility, waterproof and weather resistance, can be prefabricated, is convenient for rolling and transportation, and has a short construction period. The invention is used for outdoor pickleball and tennis courts, has good ball rebound and friction performance, and can highly meet sports needs.

Claims

1. A prefabricated sports floor roll, characterized in that: It comprises a bottom slurry layer, a glass fiber mesh cloth layer, an intermediate slurry layer and a surface slurry layer; the surface slurry for preparing the surface slurry layer comprises 40 to 60 parts by weight of modified acrylic emulsion, 20 to 30 parts by weight of inorganic resin and 15 to 25 parts by weight of inorganic minerals; the intermediate slurry and the bottom slurry for preparing the intermediate slurry layer and the bottom slurry layer both comprise 20 to 30 parts by weight of modified acrylic emulsion, 40 to 60 parts by weight of inorganic resin and 15 to 25 parts by weight of inorganic minerals.

2. The prefabricated sports floor roll according to claim 1, characterized in that: The inorganic resin is a silicate resin.

3. The prefabricated sports floor roll according to claim 1, characterized in that: The inorganic minerals include calcium carbonate, quartz sand or barium sulfate.

4. The prefabricated sports floor roll according to claim 1, characterized in that: The surface slurry, the middle slurry and the bottom slurry all further include 5 to 8 parts by weight of a flame retardant, 0.1 to 0.3 parts by weight of a defoaming agent and 0.3 to 0.8 parts by weight of an antibacterial agent.

5. The prefabricated sports floor roll according to claim 4, characterized in that: The flame retardant is aluminum hydroxide; the defoaming agent is polyether modified siloxane; and the antibacterial agent is isothiazolinone preservative and bactericide.

6. A prefabricated sports floor roll according to claim 4 or 5, characterized in that: The surface slurry, the middle slurry and the bottom slurry are all prepared by the following method: (1) Mix the modified acrylic emulsion and the inorganic resin at 40-50°C and stirring speed of 300-500 r / min; (2) Add inorganic minerals and flame retardants in sequence and stir for 20 to 30 minutes; (3) Add defoamer and antibacterial agent and continue stirring for 10 minutes until uniform; (4) Pass the mixture through an 80-mesh sieve to remove particulate matter and obtain a slurry.

7. The prefabricated sports floor roll according to claim 1, characterized in that: The gram weight of the glass fiber mesh cloth in the glass fiber mesh cloth layer is 100g / m 2 , aperture 3mm.

8. A method for preparing the prefabricated sports floor roll as claimed in claim 1, characterized in that: It includes the following steps: (I) Apply the bottom slurry to the release film with a thickness of 0.6-0.9 mm; (II) Lay the glass fiber mesh cloth and roll it to ensure complete impregnation; (III) Apply the intermediate slurry with a thickness of 0.8~1.0mm; (IV) Curing with hot air circulation at 70-80°C for 15 min, and cooling to room temperature; (V) Apply the surface slurry with a thickness of 0.1~0.6mm; (VI) Curing with hot air circulation at 70~80℃ for 15min, and rolling up after cooling to room temperature.

9. Use of the prefabricated sports floor roll according to any one of claims 1 to 8 in a pickleball or tennis court.

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