CN210821298U - Novel TPU and non-woven fabrics combined sports floor - Google Patents
Novel TPU and non-woven fabrics combined sports floor Download PDFInfo
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Abstract
The utility model discloses a novel TPU and non-woven fabric combined sports floor, which particularly relates to the technical field of floor production, and comprises a TPU surface layer, a non-woven fabric stabilizing layer and an environment-friendly material bottom layer from top to bottom in sequence; the formula of the TPU surface layer and the environment-friendly material bottom layer comprises the following components in percentage by mass: 200 parts of TPU granules, 10 parts of pigment, 2 parts of auxiliary agent, 5-10 parts of silicon-aluminum carbon black filler, 3-5 parts of waterproof agent, 1-3 parts of flame retardant, 1-3 parts of ultraviolet-proof agent and 10-20 parts of reinforcing agent. The utility model discloses elasticity, wearability, stability and the shock absorption that can improve sports floor have protected sportsman's joint, have reduced the wearing and tearing that sports floor received in the use, reduce sports floor's use cost, improve sports floor's life, the utility model discloses zero plasticizing agent, zero heavy metal, zero formaldehyde all do not have harm to human body and environment, real full environmental protection is made free breathing motion space for sportsman.
Description
Technical Field
The utility model relates to a floor production technical field, more specifically say, the utility model relates to a novel TPU and non-woven fabrics combined sports floor.
Background
Along with the development of economy and science and technology, people's standard of living is also being progressively improved, under the call of national body-building, people also more and more pay attention to the motion, all lay the sports floor in some sports ground, the unique nature of sports floor receives liking of most people, consequently various sports floors have appeared on the market now, but the vast majority of indoor plastic sports floor on the market all adopts the PVC material preparation at present, and what is more, adopt the PVC waste material, the reclaimed materials carries out secondary production and processing, with this reduction in production cost. However, PVC products are harmful to the human body. Plasticizers and heavy metals contained in PVC products can be separated out in the using process, and glue used for the composite floor contains toxic and harmful substances such as formaldehyde, toluene and the like, which can directly harm human health. In addition, the PVC sports floor is not degradable in the waste treatment process, causes harm to the environment and can indirectly or directly harm human health.
Disclosure of Invention
In order to overcome the above defects of the prior art, the embodiment of the utility model provides a novel TPU and non-woven fabrics combined sports floor, which replaces the traditional PVC material by using the mixture of TPU and ABS resin as raw material, and adds fine particle carbon black and silicon-aluminum carbon black in the raw material, and heats and mixes the raw material, thereby obviously improving the wear resistance, rebound resilience, comfort and size stability of TPU rubber plate, improving the processing performance of TPU rubber plate, and the processing temperature of TPU material is lower, and when used as sports floor, the wear resistance of sports floor can be improved, reducing the wear of sports floor in use, absorbing the vibration sense generated when the floor is in motion better, reducing the use cost of sports floor, and prolonging the service life of sports floor, the utility model discloses zero plasticizer, zero heavy metal, zero formaldehyde, no harm to human body and environment, is truly and fully environment-friendly.
In order to achieve the above object, the utility model provides a following technical scheme: a novel TPU and non-woven fabric combined sports floor sequentially comprises a TPU surface layer, a non-woven fabric stabilizing layer and an environment-friendly material bottom layer from top to bottom;
the formula of the TPU surface layer comprises the following components in percentage by mass: 200 parts of TPU granules, 10 parts of pigment, 2 parts of auxiliary agent, 5-10 parts of silicon-aluminum carbon black filler, 3-5 parts of waterproof agent, 1-3 parts of flame retardant, 1-3 parts of ultraviolet-proof agent and 10-20 parts of reinforcing agent;
the formula of the non-woven fabric stabilizing layer comprises the following components in percentage by mass: 100-150 parts of artificial fiber, 20-30 parts of polylactic acid corn fiber, 5-10 parts of wool fiber, 5-10 parts of nano silver fiber and 3-5 parts of carbon fiber;
the environment-friendly material bottom layer is made of TPE components and EVA components, and the formula of the TPE components comprises the following components in percentage by mass: 40-60% of rubber, 15-25% of EVA (ethylene vinyl acetate), 15-25% of filler and 5-15% of chemical engineering, wherein the formula of the EVA comprises the following components in percentage by mass: 15-25% of rubber, 78-50% of EVA40, 20-30% of filler and 5-15% of chemical engineering.
In a preferred embodiment, the artificial fiber is specifically a polyester fiber, and the reinforcing agent is a fine-particle carbon black reinforcing agent.
In a preferred embodiment, the water repellent agent is a silicone water repellent agent, and the flame retardant agent is a mixture of one or more of aluminum hydroxide, magnesium hydroxide, monoammonium phosphate and diammonium phosphate.
In a preferred embodiment, the processing of the TPU facing specifically comprises the steps of:
adding 5-10 parts of silicon-aluminum carbon black filler, 3-5 parts of waterproof agent, 1-3 parts of flame retardant, 1-3 parts of ultraviolet-proof agent and 10-20 parts of reinforcing agent into a high-speed kneading machine, and kneading at high speed for 20-30min to pre-plasticize the raw materials to obtain a pre-plasticized mixture;
and step two, putting the TPU granules, the color master and the auxiliary agent into a mixer to stir and mix.
And step three, placing the preplasticized mixture and the stirred mixture into a dryer, and drying for 4-6 hours at 120 ℃.
And step four, conveying the dried mixed material to a banburying chamber of a TPU casting machine through a conveying pipe, carrying out 200-degree hot melting, extruding a flaky colloid from a die head through a screw rod, solidifying and shaping to obtain a TPU rubber plate, pressing the TPU rubber plate by using a roller with irregular bulges on the surface, and forming irregular pressing shaft lines on the surface of the TPU rubber plate to obtain a TPU surface layer.
In a preferred embodiment, the preparation process of the non-woven fabric stabilizing layer specifically comprises the following steps:
step one, sequentially putting 150 parts of artificial fiber, 20-30 parts of polylactic acid corn fiber, 5-10 parts of wool fiber, 5-10 parts of nano silver fiber and 3-5 parts of carbon fiber on a conveying belt, conveying the conveying belt to a coarse opener, opening the fiber in the raw material, mixing and depositing the raw material fiber by using a cotton mixer, and conveying the raw material fiber to a fine opener;
secondly, finely opening the coarsely opened mixed fibers by a fine opener, carding the fibers in the raw materials to straighten and open the fibers, then performing secondary cotton mixing, re-mixing the finely opened mixed fibers, blowing the mixed fibers into a cotton mixing machine by using an air supply pipeline, circularly rolling by using a compression roller and enabling the pressure to be uniform, performing secondary cotton mixing and pressing on the mixed fibers, and ensuring that the densities of cotton layers are consistent;
step three, the cotton feeder receives the mixed fiber after the cotton mixing in the cotton mixing machine, and conveys a certain amount of mixed fiber to the carding machine according to the process requirements, and after the carding machine combs the mixed fiber, the mixed fiber is paved into a double-layer fiber mesh thin layer of 12-15 g/square meter by using a lapping machine;
step four, the double-layer fiber mesh-shaped thin layer is clamped and conveyed by a clamping roller of a lapping machine and operates in a reciprocating mode to be lapped to 8-12 layers, then the fiber web is transmitted to a needling area of a needling machine, the fiber web is preliminarily entangled and shaped through a pre-needling process, and the direction of the fiber web is guaranteed to be unchanged;
and step five, repeatedly puncturing the fiber web by using the puncturing needles of the needle machine, forcibly puncturing the surface and local inner layer fibers of the fiber web into the fiber web when the barbs on the puncturing needles penetrate through the fiber web, enabling the punctured fiber bundles to be separated from the barbs and remain in the fiber web when the puncturing needles withdraw from the fiber web, performing multiple times of puncturing to enable the fiber bundles in the fiber web to be punctured into the fiber web, mutually intertwining the fibers in the fiber web, and then performing 220 ℃ high-temperature setting on the fiber web after the puncturing to obtain the needled non-woven fabric.
In a preferred embodiment, the preparation process of the bottom layer of the environment-friendly material specifically comprises the following steps:
step one, putting the prepared material into a closed rubber mixing mill for mixing for 15 minutes at the temperature of 125 ℃ until the material is melted into a mass;
secondly, putting the melted material into an open rubber mixing mill, mixing again at the temperature of 70 ℃, and cutting and discharging sheets according to the required specification of a die after the melted material is mixed into sheets;
weighing the flaky material according to the specification and weight required by the mold, putting the weighed flaky material into the mold of a vulcanizing machine, vulcanizing at the temperature of 170 ℃ for 45 minutes, opening the mold after vulcanization, collecting the flaky material, and cooling;
step four, trimming the cooled sheet by using a cutting machine, and then bonding by using a bonding machine;
feeding the bonded sheets into a slicer assembly line, and slicing the sheets according to the required specification by using a slicer;
and step six, packaging the opened coiled material, and marking clearly to obtain a finished product, namely the bottom layer of the environment-friendly material.
A processing method of a novel TPU and non-woven fabric combined sports floor specifically comprises the following steps:
step one, a roll of TPU surface layer is placed on a gluing machine, solvent-free polyurethane glue is arranged on one side of the gluing machine, the gluing machine is pulled to a roller on a plate pressing machine while the gluing machine is in a traction state, the roller rolls to enable one side with a pattern to be laid down on the plate pressing machine, the TPU surface layer is stretched and fixed back and forth, then a non-woven fabric stabilizing layer and an environment-friendly material bottom layer are subjected to the same treatment and are flattened by the roller, and the treated TPU surface layer, the non-woven fabric stabilizing layer and the environment-friendly material bottom layer are sequentially stacked;
and step two, controlling a plate press to carry out hot pressing on the stacked layers for 24-48 hours, then taking out the layers, and standing the layers at normal temperature for 3-5 days to obtain a finished product, namely the TPU and non-woven fabric combined sports floor.
The utility model discloses a technological effect and advantage:
1. the utility model discloses an utilize TPU and ABS resin to mix as the raw materials, replace traditional PVC material, and add fine particle carbon black and aluminosilica-alumina carbon black in the raw materials, heat the raw materials after and mix, can show the wearability that improves the TPU offset plate, the resilience, travelling comfort and dimensional stability, improve the processing property of TPU offset plate, and the processing temperature of TPU material is lower, can improve the wearability on sports floor when being used as sports floor, reduce the wearing and tearing that sports floor received in the use, absorb the sense of vibration that the floor produced when the motion better simultaneously, reduce sports floor use cost, improve sports floor's life, the utility model discloses zero plasticizing agent, zero heavy metal, zero formaldehyde, all harmless to human body and environment, real full environmental protection.
2. Compared with the traditional sports floor with single pattern and appearance, the sports floor is manufactured in a mode of combining the needled non-woven fabric and the TPU rubber plate, more patterns and richer appearance can be given to the sports floor, the practicability and the market competitiveness are improved, friction and natural oxidation suffered by the sports floor in the using process can be reduced by matching the needled non-woven fabric with the TPU rubber plate, and the service life of the sports floor is prolonged;
3. the application of the TPU material to the sports floor and the innovation of the material subvert the cognition of people on the sports floor made of the traditional PVC material, refreshes the cognition of people on the environment-friendly sports floor, creates a professional healthy and comfortable sports space, comprehensively ensures the physical and mental health of athletes, and benefits the majority of athletes and sports enthusiasts.
Drawings
Fig. 1 is a schematic view of the sports floor structure of the present invention.
The reference signs are: 1 TPU surface course, 2 non-woven fabrics stabilizer layers, 3 environmental protection material bottom.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
as shown in figure 1, the novel TPU and non-woven fabric combined sports floor sequentially comprises a TPU surface layer 1, a non-woven fabric stabilizing layer 2 and an environment-friendly material bottom layer 3 from top to bottom;
the formula of the TPU surface layer 1 comprises the following components in percentage by mass: 200 parts of TPU granules, 10 parts of pigment, 2 parts of auxiliary agent, 5 parts of silicon-aluminum carbon black filler, 3 parts of organosilicon waterproofing agent, 1 part of flame retardant, 1 part of ultraviolet-proof agent and 10 parts of fine-particle carbon black reinforcing agent;
the formula of the non-woven fabric stabilizing layer 2 comprises the following components in percentage by mass: 100 parts of polyester fiber, 20 parts of polylactic acid corn fiber, 5 parts of wool fiber, 5 parts of nano silver fiber and 3 parts of carbon fiber;
the environment-friendly material bottom layer 3 is made of TPE components and EVA components, and the formula of the TPE components comprises the following components in percentage by mass: 40% of rubber, 15% of EVA, 15% of filler and 5% of chemical industry, wherein the formula of the EVA comprises the following components in percentage by mass: 15% of rubber, 40% of EVA, 20% of filler and 5% of chemical engineering.
The flame retardant is specifically one or a mixture of more of aluminum hydroxide, magnesium hydroxide, monoammonium phosphate and diammonium phosphate.
On the basis, the processing of the TPU surface layer 1 specifically comprises the following steps:
adding 5 parts of silicon-aluminum carbon black filler, 3 parts of waterproof agent, 1 part of flame retardant, 1 part of ultraviolet-proof agent and 10 parts of reinforcing agent into a high-speed kneading machine, and kneading at a high speed for 20min to pre-plasticize the raw materials to obtain a pre-plasticized mixture;
and step two, putting the TPU granules, the color master and the auxiliary agent into a mixer to stir and mix.
And step three, placing the preplasticized mixture and the stirred mixture into a dryer, and drying for 4-6 hours at 120 ℃.
Conveying the dried mixed material to a banburying chamber of a TPU casting machine through a conveying pipe, carrying out 200-degree hot melting, extruding sheet-shaped colloid from a die head through a screw rod, solidifying and shaping to obtain a TPU rubber plate, pressing the TPU rubber plate by using a roller with irregular bulges on the surface, forming irregular pressing shaft lines on the surface of the TPU rubber plate to obtain a TPU surface layer 1, pressing the surface layer to be uneven, and increasing skid resistance and water evaporation;
on the basis, the preparation process of the non-woven fabric stabilizing layer 2 specifically comprises the following steps:
firstly, putting 100 parts of artificial fiber, 20 parts of polylactic acid corn fiber, 5 parts of wool fiber, 5 parts of nano silver fiber and 3 parts of carbon fiber on a conveyor belt in sequence, conveying the artificial fiber, the polylactic acid corn fiber, the wool fiber, the nano silver fiber and the carbon fiber to a coarse opener, opening the fiber in the raw material, mixing and depositing the raw material fiber by using a cotton mixer, and then conveying the raw material fiber to a fine opener;
secondly, finely opening the coarsely opened mixed fibers by a fine opener, carding the fibers in the raw materials to straighten and open the fibers, then performing secondary cotton mixing, re-mixing the finely opened mixed fibers, blowing the mixed fibers into a cotton mixing machine by using an air supply pipeline, circularly rolling by using a compression roller and enabling the pressure to be uniform, performing secondary cotton mixing and pressing on the mixed fibers, and ensuring that the densities of cotton layers are consistent;
step three, a cotton feeder receives the mixed fiber after the cotton mixing in the cotton mixing machine, and conveys a certain amount of mixed fiber to a carding machine according to the process requirements, and after the carding machine combs the mixed fiber, a lapping machine is utilized to pave the mixed fiber into a double-layer fiber mesh thin layer of 12 g/square meter;
step four, the double-layer fiber mesh-shaped thin layer is clamped and conveyed by a clamping roller of a lapping machine and operates in a reciprocating mode to be lapped to 8 layers, then the fiber web is transmitted to a needling area of a needle machine, the fiber web is preliminarily entangled and shaped through a pre-needling process, and the direction of the fiber web is guaranteed to be unchanged;
step five, repeatedly puncturing the fiber web by using a puncturing needle of a needle machine, forcibly puncturing the surface and local inner layer fibers of the fiber web into the fiber web when a barb on the puncturing needle penetrates through the fiber web, enabling the punctured fiber bundles to be separated from the barb and remain in the fiber web when the puncturing needle withdraws from the fiber web, and performing multiple times of puncturing to ensure that the fiber bundles in the fiber web are punctured into the fiber web, entangling the fibers in the fiber web, and then performing 220 ℃ high-temperature setting on the fiber web after the puncturing to obtain a punched non-woven fabric;
on the basis, the preparation process of the environment-friendly material bottom layer 3 specifically comprises the following steps:
step one, putting the prepared material into a closed rubber mixing mill for mixing for 15 minutes at the temperature of 125 ℃ until the material is melted into a mass;
secondly, putting the melted material into an open rubber mixing mill, mixing again at the temperature of 70 ℃, and cutting and discharging sheets according to the required specification of a die after the melted material is mixed into sheets;
weighing the flaky material according to the specification and weight required by the mold, putting the weighed flaky material into the mold of a vulcanizing machine, vulcanizing at the temperature of 170 ℃ for 45 minutes, opening the mold after vulcanization, collecting the flaky material, and cooling;
step four, trimming the cooled sheet by using a cutting machine, and then bonding by using a bonding machine;
feeding the bonded sheets into a slicer assembly line, and slicing the sheets according to the required specification by using a slicer;
and step six, packaging the opened coiled material, and marking clearly to obtain a finished product, namely the bottom layer 3 of the environment-friendly material.
A processing method of a novel TPU and non-woven fabric combined sports floor specifically comprises the following steps:
step one, a roll of TPU surface layer 1 is placed on a glue machine, solvent-free polyurethane glue is arranged on one side of the glue machine, the glue machine is pulled to a roller on a plate pressing machine while the glue machine is pulled, the roller rolls to enable one side with a texture to face downwards and be laid on the plate pressing machine, the TPU surface layer 1 is stretched and fixed back and forth, then a non-woven fabric stabilizing layer 2 and an environment-friendly material bottom layer 3 are processed in the same way and are flattened by the roller, and the processed TPU surface layer 1, the non-woven fabric stabilizing layer 2 and the environment-friendly material bottom layer 3 are sequentially stacked;
and step two, controlling a plate press to carry out hot pressing on the stacked layers for 24-48 hours, then taking out the layers, and standing the layers at normal temperature for 3-5 days to obtain a finished product, namely the TPU and non-woven fabric combined sports floor.
Example 2:
as shown in figure 1, the novel TPU and non-woven fabric combined sports floor sequentially comprises a TPU surface layer 1, a non-woven fabric stabilizing layer 2 and an environment-friendly material bottom layer 3 from top to bottom;
the formula of the TPU surface layer 1 comprises the following components in percentage by mass: 180 parts of TPU granules, 12 parts of pigment, 3 parts of auxiliary agent, 8 parts of silicon-aluminum carbon black filler, 5 parts of organosilicon waterproofing agent, 3 parts of flame retardant, 3 parts of ultraviolet-proof agent and 16 parts of fine-particle carbon black reinforcing agent;
the formula of the non-woven fabric stabilizing layer 2 comprises the following components in percentage by mass: 150 parts of polyester fiber, 30 parts of polylactic acid corn fiber, 10 parts of wool fiber, 10 parts of nano-silver fiber and 5 parts of carbon fiber;
the environment-friendly material bottom layer 3 is made of TPE components and EVA components, and the formula of the TPE components comprises the following components in percentage by mass: 60% of rubber, 25% of EVA, 25% of filler and 15% of chemical industry, wherein the formula of the EVA comprises the following components in percentage by mass: 25% of rubber, 50% of EVA, 30% of filler and 15% of chemical engineering.
The flame retardant is specifically one or a mixture of more of aluminum hydroxide, magnesium hydroxide, monoammonium phosphate and diammonium phosphate.
On the basis, the processing of the TPU surface layer 1 specifically comprises the following steps:
adding 8 parts of silicon-aluminum carbon black filler, 5 parts of waterproof agent, 3 parts of flame retardant, 3 parts of ultraviolet-proof agent and 16 parts of reinforcing agent into a high-speed kneading machine, and kneading at a high speed for 30min to pre-plasticize the raw materials to obtain a pre-plasticized mixture;
and step two, putting the TPU granules, the color master and the auxiliary agent into a mixer to stir and mix.
And step three, placing the preplasticized mixture and the stirred mixture into a dryer, and drying for 4-6 hours at 120 ℃.
Conveying the dried mixed material to a banburying chamber of a TPU casting machine through a conveying pipe, carrying out 200-degree hot melting, extruding sheet-shaped colloid from a die head through a screw rod, solidifying and shaping to obtain a TPU rubber plate, pressing the TPU rubber plate by using a roller with irregular bulges on the surface, forming irregular pressing shaft lines on the surface of the TPU rubber plate to obtain a TPU surface layer 1, pressing the surface layer to be uneven, and increasing skid resistance and water evaporation;
on the basis, the preparation process of the non-woven fabric stabilizing layer 2 specifically comprises the following steps:
firstly, putting 150 parts of artificial fiber, 30 parts of polylactic acid corn fiber, 10 parts of wool fiber, 10 parts of nano silver fiber and 5 parts of carbon fiber on a conveyor belt in sequence, conveying the artificial fiber, the polylactic acid corn fiber, the wool fiber, the nano silver fiber and the carbon fiber to a coarse opener, opening the fiber in the raw material, mixing and depositing the raw material fiber by using a cotton mixer, and conveying the raw material fiber to a fine opener;
secondly, finely opening the coarsely opened mixed fibers by a fine opener, carding the fibers in the raw materials to straighten and open the fibers, then performing secondary cotton mixing, re-mixing the finely opened mixed fibers, blowing the mixed fibers into a cotton mixing machine by using an air supply pipeline, circularly rolling by using a compression roller and enabling the pressure to be uniform, performing secondary cotton mixing and pressing on the mixed fibers, and ensuring that the densities of cotton layers are consistent;
step three, a cotton feeder receives the mixed fiber after the cotton mixing in the cotton mixing machine, and conveys a certain amount of mixed fiber to a carding machine according to the process requirements, and after the carding machine combs the mixed fiber, a lapping machine is utilized to pave the mixed fiber into a double-layer fiber mesh thin layer with the density of 15 g/square meter;
step four, the double-layer fiber mesh-shaped thin layer is clamped and conveyed by a clamping roller of a lapping machine and operates in a reciprocating mode to be lapped to 12 layers, then the fiber web is transmitted to a needling area of a needle machine, the fiber web is preliminarily entangled and shaped through a pre-needling process, and the direction of the fiber web is guaranteed to be unchanged;
step five, repeatedly puncturing the fiber web by using a puncturing needle of a needle machine, forcibly puncturing the surface and local inner layer fibers of the fiber web into the fiber web when a barb on the puncturing needle penetrates through the fiber web, enabling the punctured fiber bundles to be separated from the barb and remain in the fiber web when the puncturing needle withdraws from the fiber web, and performing multiple times of puncturing to ensure that the fiber bundles in the fiber web are punctured into the fiber web, entangling the fibers in the fiber web, and then performing 220 ℃ high-temperature setting on the fiber web after the puncturing to obtain a punched non-woven fabric;
on the basis, the preparation process of the environment-friendly material bottom layer 3 specifically comprises the following steps:
step one, putting the prepared material into a closed rubber mixing mill for mixing for 15 minutes at the temperature of 125 ℃ until the material is melted into a mass;
secondly, putting the melted material into an open rubber mixing mill, mixing again at the temperature of 70 ℃, and cutting and discharging sheets according to the required specification of a die after the melted material is mixed into sheets;
weighing the flaky material according to the specification and weight required by the mold, putting the weighed flaky material into the mold of a vulcanizing machine, vulcanizing at the temperature of 170 ℃ for 45 minutes, opening the mold after vulcanization, collecting the flaky material, and cooling;
step four, trimming the cooled sheet by using a cutting machine, and then bonding by using a bonding machine;
feeding the bonded sheets into a slicer assembly line, and slicing the sheets according to the required specification by using a slicer;
and step six, packaging the opened coiled material, and marking clearly to obtain a finished product, namely the bottom layer 3 of the environment-friendly material.
A processing method of a novel TPU and non-woven fabric combined sports floor specifically comprises the following steps:
step one, a roll of TPU surface layer 1 is placed on a glue machine, solvent-free polyurethane glue is arranged on one side of the glue machine, the glue machine is pulled to a roller on a plate pressing machine while the glue machine is pulled, the roller rolls to enable one side with a texture to face downwards and be laid on the plate pressing machine, the TPU surface layer 1 is stretched and fixed back and forth, then a non-woven fabric stabilizing layer 2 and an environment-friendly material bottom layer 3 are processed in the same way and are flattened by the roller, and the processed TPU surface layer 1, the non-woven fabric stabilizing layer 2 and the environment-friendly material bottom layer 3 are sequentially stacked;
and step two, controlling a plate press to carry out hot pressing on the stacked layers for 24-48 hours, then taking out the layers, and standing the layers at normal temperature for 3-5 days to obtain a finished product, namely the TPU and non-woven fabric combined sports floor.
Example 3:
as shown in figure 1, the novel TPU and non-woven fabric combined sports floor sequentially comprises a TPU surface layer 1, a non-woven fabric stabilizing layer 2 and an environment-friendly material bottom layer 3 from top to bottom;
the formula of the TPU surface layer 1 comprises the following components in percentage by mass: 160 parts of TPU granules, 14 parts of pigment, 1 part of auxiliary agent, 16 parts of silicon-aluminum carbon black filler, 4 parts of organosilicon waterproofing agent, 2 parts of flame retardant, 2 parts of ultraviolet-proof agent and 25 parts of fine-particle carbon black reinforcing agent;
the formula of the non-woven fabric stabilizing layer 2 comprises the following components in percentage by mass: 130 parts of polyester fiber, 25 parts of polylactic acid corn fiber, 8 parts of wool fiber, 8 parts of nano silver fiber and 4 parts of carbon fiber;
the environment-friendly material bottom layer 3 is made of TPE components and EVA components, and the formula of the TPE components comprises the following components in percentage by mass: 50% of rubber, 20% of EVA, 20% of filler and 10% of chemical industry, wherein the formula of the EVA comprises the following components in percentage by mass: 20% of rubber, 45% of EVA, 25% of filler and 10% of chemical engineering.
The flame retardant is specifically one or a mixture of more of aluminum hydroxide, magnesium hydroxide, monoammonium phosphate and diammonium phosphate.
On the basis, the processing of the TPU surface layer 1 specifically comprises the following steps:
adding 16 parts of silicon-aluminum carbon black filler, 4 parts of waterproof agent, 2 parts of flame retardant, 2 parts of ultraviolet-proof agent and 25 parts of reinforcing agent into a high-speed kneading machine, and kneading at a high speed for 25min to pre-plasticize the raw materials to obtain a pre-plasticized mixture;
and step two, putting the TPU granules, the color master and the auxiliary agent into a mixer to stir and mix.
And step three, placing the preplasticized mixture and the stirred mixture into a dryer, and drying for 4-6 hours at 120 ℃.
Conveying the dried mixed material to a banburying chamber of a TPU casting machine through a conveying pipe, carrying out 200-degree hot melting, extruding sheet-shaped colloid from a die head through a screw rod, solidifying and shaping to obtain a TPU rubber plate, pressing the TPU rubber plate by using a roller with irregular bulges on the surface, forming irregular pressing shaft lines on the surface of the TPU rubber plate to obtain a TPU surface layer 1, pressing the surface layer to be uneven, and increasing skid resistance and water evaporation;
on the basis, the preparation process of the non-woven fabric stabilizing layer 2 specifically comprises the following steps:
firstly, sequentially putting 130 parts of artificial fiber, 25 parts of polylactic acid corn fiber, 8 parts of wool fiber, 8 parts of nano silver fiber and 4 parts of carbon fiber on a conveying belt, conveying the artificial fiber, the polylactic acid corn fiber, the wool fiber, the nano silver fiber and the carbon fiber to a coarse opener, opening the fiber in the raw material, mixing and depositing the raw material fiber by using a cotton mixer, and then conveying the raw material fiber to a fine opener;
secondly, finely opening the coarsely opened mixed fibers by a fine opener, carding the fibers in the raw materials to straighten and open the fibers, then performing secondary cotton mixing, re-mixing the finely opened mixed fibers, blowing the mixed fibers into a cotton mixing machine by using an air supply pipeline, circularly rolling by using a compression roller and enabling the pressure to be uniform, performing secondary cotton mixing and pressing on the mixed fibers, and ensuring that the densities of cotton layers are consistent;
step three, a cotton feeder receives the mixed fibers mixed in the cotton mixer, conveys quantitative mixed fibers to a carding machine according to process requirements, and after the carding machine combs the mixed fibers, a lapping machine is utilized to pave the mixed fibers into a double-layer fiber mesh thin layer with 14 g/square meter;
step four, the double-layer fiber mesh-shaped thin layer is clamped and conveyed by a clamping roller of a lapping machine and operates in a reciprocating mode to be lapped to 10 layers, then the fiber web is transmitted to a needling area of a needle machine, the fiber web is preliminarily entangled and shaped through a pre-needling process, and the direction of the fiber web is guaranteed to be unchanged;
step five, repeatedly puncturing the fiber web by using a puncturing needle of a needle machine, forcibly puncturing the surface and local inner layer fibers of the fiber web into the fiber web when a barb on the puncturing needle penetrates through the fiber web, enabling the punctured fiber bundles to be separated from the barb and remain in the fiber web when the puncturing needle withdraws from the fiber web, and performing multiple times of puncturing to ensure that the fiber bundles in the fiber web are punctured into the fiber web, entangling the fibers in the fiber web, and then performing 220 ℃ high-temperature setting on the fiber web after the puncturing to obtain a punched non-woven fabric;
on the basis, the preparation process of the environment-friendly material bottom layer 3 specifically comprises the following steps:
step one, putting the prepared material into a closed rubber mixing mill for mixing for 15 minutes at the temperature of 125 ℃ until the material is melted into a mass;
secondly, putting the melted material into an open rubber mixing mill, mixing again at the temperature of 70 ℃, and cutting and discharging sheets according to the required specification of a die after the melted material is mixed into sheets;
weighing the flaky material according to the specification and weight required by the mold, putting the weighed flaky material into the mold of a vulcanizing machine, vulcanizing at the temperature of 170 ℃ for 45 minutes, opening the mold after vulcanization, collecting the flaky material, and cooling;
step four, trimming the cooled sheet by using a cutting machine, and then bonding by using a bonding machine;
feeding the bonded sheets into a slicer assembly line, and slicing the sheets according to the required specification by using a slicer;
and step six, packaging the opened coiled material, and marking clearly to obtain a finished product, namely the bottom layer 3 of the environment-friendly material.
A processing method of a novel TPU and non-woven fabric combined sports floor specifically comprises the following steps:
step one, a roll of TPU surface layer 1 is placed on a glue machine, solvent-free polyurethane glue is arranged on one side of the glue machine, the glue machine is pulled to a roller on a plate pressing machine while the glue machine is pulled, the roller rolls to enable one side with a texture to face downwards and be laid on the plate pressing machine, the TPU surface layer 1 is stretched and fixed back and forth, then a non-woven fabric stabilizing layer 2 and an environment-friendly material bottom layer 3 are processed in the same way and are flattened by the roller, and the processed TPU surface layer 1, the non-woven fabric stabilizing layer 2 and the environment-friendly material bottom layer 3 are sequentially stacked;
and step two, controlling a plate press to carry out hot pressing on the stacked layers for 24-48 hours, then taking out the layers, and standing the layers at normal temperature for 3-5 days to obtain a finished product, namely the TPU and non-woven fabric combined sports floor.
Through the three groups of embodiments, the sports floor combined by three TPUs and non-woven fabrics can be obtained, the performance test is carried out on the sports floor combined by the three TPUs and the non-woven fabrics, and the performance test is carried out on the sports floor subjected to common processing, so that the performances of the sports floors combined by the three groups of embodiments, namely the TPUs and the non-woven fabrics, are all improved differently, wherein the sports floor combined by the TPUs and the non-woven fabrics in the embodiment 3 has the best performance and the highest value, and the comparison of basic parameters is as follows:
the application of the TPU material to the sports floor and the innovation of the material subvert the cognition of people on the sports floor made of the traditional PVC material, refreshes the cognition of people on the environment-friendly sports floor, presses the TPU into an uneven surface layer, and can increase the skid resistance and the water evaporation;
the TPU environment-friendly sports floor not only creates a professional healthy and comfortable sports space, but also comprehensively ensures physical and mental health of athletes, and is beneficial to vast athletes and sports enthusiasts.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (4)
1. A novel TPU and non-woven fabric combined sports floor is characterized in that a TPU surface layer (1), a non-woven fabric stabilizing layer (2) and an environment-friendly material bottom layer (3) are sequentially arranged from top to bottom;
the non-woven fabric stabilizing layer (2) is of a random fiber structure.
2. The novel TPU and non-woven fabric combined sports floor as claimed in claim 1, wherein: the bottom of the TPU surface layer (1) is attached to the top of the non-woven fabric stabilizing layer (2).
3. The novel TPU and non-woven fabric combined sports floor as claimed in claim 1, wherein: the bottom of the non-woven fabric stabilizing layer (2) is attached to the top of the environment-friendly material bottom layer (3).
4. The novel TPU and non-woven fabric combined sports floor as claimed in claim 1, wherein: the surface of the TPU surface layer (1) is arranged in an irregular zigzag manner.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115447212A (en) * | 2022-09-13 | 2022-12-09 | 李宁（中国）体育用品有限公司 | Process for manufacturing floor glue of sports field and floor glue |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115447212A (en) * | 2022-09-13 | 2022-12-09 | 李宁（中国）体育用品有限公司 | Process for manufacturing floor glue of sports field and floor glue |
| CN115447212B (en) * | 2022-09-13 | 2024-05-14 | 李宁（中国）体育用品有限公司 | Process for manufacturing sports ground glue and ground glue |
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