CN111472234B - Reflective artificial turf - Google Patents
Reflective artificial turf Download PDFInfo
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- CN111472234B CN111472234B CN202010291708.2A CN202010291708A CN111472234B CN 111472234 B CN111472234 B CN 111472234B CN 202010291708 A CN202010291708 A CN 202010291708A CN 111472234 B CN111472234 B CN 111472234B
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- artificial
- reflective
- grass filaments
- monofilament
- artificial turf
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
- E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/52—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated carboxylic acids or unsaturated esters
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
- D06M13/51—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond
- D06M13/513—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond
- D06M13/517—Compounds with at least one carbon-metal or carbon-boron, carbon-silicon, carbon-selenium, or carbon-tellurium bond with at least one carbon-silicon bond containing silicon-halogen bonds
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
- E01C13/08—Surfaces simulating grass ; Grass-grown sports grounds
- E01C13/083—Construction of grass-grown sports grounds; Drainage, irrigation or heating arrangements therefor
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/26—Polymers or copolymers of unsaturated carboxylic acids or derivatives thereof
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
The invention belongs to the field of artificial turf, and particularly relates to a reflective artificial turf, which comprises a plastic base and an artificial turf accommodated in the plastic base, wherein the artificial turf comprises a base fabric, artificial grass filaments tufted on the base fabric and an adhesive layer arranged at the bottom end of the base fabric; the artificial grass filaments are long-strip grass filaments twisted into a double-spiral structure, a plurality of round holes are uniformly distributed on the bottom base cloth, each round hole is divided into two semicircular holes by a fixing strip arranged in the middle of the round hole, and the artificial grass filaments penetrate through the two semicircular holes and are arranged on the bottom base cloth; the artificial grass filaments are reflective grass filaments, and the reflective grass filaments are artificial monofilaments with reflective coatings. The invention solves the problem that the existing glass beads are easy to break, and uses organic silicon resin to form a staggered structure, thereby realizing the confinement of glass crystallites, ensuring the connection firmness, and simultaneously the glass crystallites have the light reflecting effect.
Description
Technical Field
The invention belongs to the field of artificial lawns, and particularly relates to a reflective artificial lawn.
Background
The artificial turf is divided into injection-molded artificial turf and woven artificial turf according to the production process. The injection molding artificial lawn adopts an injection molding process, plastic particles are extruded and molded in a mold at one time, and the lawn is bent by a bending technology, so that grass blades are regularly arranged at equal intervals and in equal quantity, and the grass blade heights are completely uniform. It is suitable for kindergarten, playground, balcony, greening, alluvial gold, etc. The woven lawn is made up by using synthetic fibre with the form of imitation grass leaf, and planting it in woven base cloth, and coating layer with fixing action on its back surface, and can be used as artificial lawn on the sports field, leisure field, golf field, garden floor and green ground.
Due to the wide application of artificial turf, the technical research on artificial turf with various related functions is actively carried out, for example, artificial turf with inferior light is obtained by adding inferior light material to modify the raw material in the production process of turf so that the smooth surface has diffuse reflection and thus the effect of no dazzling is achieved; for example, the low-temperature artificial turf achieves the aim of reducing the temperature of the turf by adding the filler with the infrared reflection function into the raw materials; the antistatic artificial turf is prepared by spraying antistatic solution on the surface of the artificial turf to achieve the antistatic effect. Currently, the reflective artificial turf is less researched.
Chinese invention with publication number CN106084868A discloses a reflective artificial turf, which comprises a plastic base and an artificial turf, wherein the artificial turf comprises a base fabric, artificial grass filaments and an adhesive layer; the artificial grass filaments comprise the following components: basic resin, color master batch, light-reflecting master batch, coupling agent, auxiliary agent, noctilucent powder TYY-4E, dispersing agent, anion powder and filler; the adhesive layer is formed by coating an adhesive on the bottom end of the base fabric, and the adhesive comprises the following components: EVA resin, phenolic resin, phthalic anhydride, polytetrahydrofuran, a thickening agent, a chain extender, isocyanate, an anti-aging agent B2500, nano white carbon black N20, a defoaming agent, a curing agent, an emulsifying agent, a preservative, a denaturation modifier and a flame retardant; the artificial lawn has good light reflection performance and can play a marking role, and the artificial lawn has good heat resistance, corrosion resistance and aging resistance, long service life and convenient and fast use. However, in the technical scheme, the glass beads are used as the light reflecting material, the surfaces of the glass beads are chemically inert, and internal cracks and even fractures appear as time goes on.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a reflective artificial lawn, which solves the problem that the existing glass microspheres are easy to break, and utilizes organic silicon resin to form a staggered structure, so that the confinement of glass microcrystals is realized, the connection firmness is ensured, and the glass microcrystals have the reflective effect.
In order to achieve the technical purpose, the technical scheme of the invention is as follows:
a reflective artificial turf comprises a plastic base and an artificial turf accommodated in the plastic base, wherein the artificial turf comprises a base fabric, artificial grass filaments tufted on the base fabric and an adhesive layer arranged at the bottom end of the base fabric;
the artificial grass filaments are long-strip grass filaments twisted into a double-spiral structure, a plurality of round holes are uniformly distributed on the bottom base cloth, each round hole is divided into two semicircular holes by a fixing strip arranged in the middle of the round hole, and the artificial grass filaments penetrate through the two semicircular holes and are arranged on the bottom base cloth;
the artificial grass filaments are reflective grass filaments, and the reflective grass filaments are artificial monofilaments with reflective coatings.
The artificial monofilament is a monofilament which takes polymethyl methacrylate resin as a base material and heavy calcium carbonate as a filler.
The preparation method of the reflective grass filaments comprises the following steps:
step 1, coating an acetone liquid film on the surface of the artificial monofilament to obtain the coated artificial monofilament, wherein the coating amount of the acetone liquid film is 1-3mL/cm2(ii) a Acetone has solubility to polymethyl methacrylate resin, but the dissolution effect is not good, and acetone is taken as a liquid film, so that the acetone can only swell the surface of the artificial grass filaments;
step 2, adding methyltrichlorosilane into anhydrous ether to form a solution, then adding glass microcrystal into the anhydrous ether, stirring and uniformly dispersing to obtain a light-reflecting prefabricated liquid, wherein the concentration of the methyltrichlorosilane in the anhydrous ether is 10-20g/L, the addition amount of the glass microcrystal is 10-20% of the mass of the methyltrichlorosilane, and the particle size of the glass microcrystal is 0.1-0.5 mm;
step 3, putting the reflective prefabricated liquid into a reduced pressure distillation device for reduced pressure distillation to obtain saturated ether liquid of methyl trichlorosilane, and then uniformly coating the saturated ether liquid on the surface of the coated artificial monofilament to obtain a prefabricated artificial monofilament; the pressure of the reduced pressure distillation is 70-80% of the atmospheric pressure, and the temperature is 40-50 ℃; the coating amount of the uniform coating is 5-10mL/cm2(ii) a Methyl trichlorosilane can permeate to the surface of the artificial monofilament by utilizing the intersolubility of ether and acetone;
step 4, placing the prefabricated artificial monofilaments into humid air for standing for 2-4 hours, and then blowing at constant temperature to obtain the reflective grass filaments; the humidity of the humid air is 20-40%, the temperature is 10-20 ℃, the constant-temperature blowing temperature is 80-90 ℃, the blowing gas is nitrogen, and the blowing speed is 10-20 mL/min; the methyl trichlorosilane is in a hydrolysis state, the hydrolysis and polycondensation speed is low under a low-temperature condition, the methyl trichlorosilane forms a highly cross-linked structure, glass microcrystals can be confined on the surface layer, a good reflection effect is achieved, and meanwhile, the methyl silicone resin has a good transparent effect.
The adhesive layer is formed by coating an adhesive on the bottom end of the base fabric.
From the above description, it can be seen that the present invention has the following advantages:
1. the invention solves the problem that the existing glass beads are easy to break, and uses organic silicon resin to form a staggered structure, thereby realizing the confinement of glass crystallites, ensuring the connection firmness, and simultaneously the glass crystallites have the light reflecting effect.
2. The invention utilizes the coating structure, effectively reduces the use of glass microcrystal, can be finished by coating the common grass filaments, greatly improves the process feasibility, and does not need to modify the whole grass filament process.
3. The invention effectively improves the surface permeation effect of the silicone resin on PMMA by using a compatible permeation mode, and improves the connectivity of the coating.
Detailed Description
The present invention is described in detail with reference to examples, but the present invention is not limited to the claims.
Example 1
A reflective artificial turf comprises a plastic base and an artificial turf accommodated in the plastic base, wherein the artificial turf comprises a base fabric, artificial grass filaments tufted on the base fabric and an adhesive layer arranged at the bottom end of the base fabric;
the artificial grass filaments are long-strip grass filaments twisted into a double-spiral structure, a plurality of round holes are uniformly distributed on the bottom base cloth, each round hole is divided into two semicircular holes by a fixing strip arranged in the middle of the round hole, and the artificial grass filaments penetrate through the two semicircular holes and are arranged on the bottom base cloth;
the artificial grass filaments are reflective grass filaments, and the reflective grass filaments are artificial monofilaments with reflective coatings.
The artificial monofilament is a monofilament which takes polymethyl methacrylate resin as a base material and heavy calcium carbonate as a filler.
The preparation method of the reflective grass filaments comprises the following steps:
step 1, coating an acetone liquid film on the surface of the artificial monofilament to obtain the coated artificial monofilament, wherein the coating amount of the acetone liquid film is 1mL/cm2Swelling;
step 2, adding methyltrichlorosilane into anhydrous ether to form a solution, then adding glass microcrystal into the anhydrous ether, stirring and uniformly dispersing to obtain a light-reflecting prefabricated liquid, wherein the concentration of the methyltrichlorosilane in the anhydrous ether is 10g/L, the addition amount of the glass microcrystal is 10% of the mass of the methyltrichlorosilane, and the particle size of the glass microcrystal is 0.1 mm;
step 3, putting the reflective prefabricated liquid into a reduced pressure distillation device for reduced pressure distillation to obtain saturated ether liquid of methyl trichlorosilane, and then uniformly coating the saturated ether liquid on the surface of the coated artificial monofilament to obtain a prefabricated artificial monofilament; the pressure of the reduced pressure distillation is 70% of the atmospheric pressure, and the temperature is 40 ℃; the coating amount of the uniform coating is 5mL/cm2；
Step 4, placing the prefabricated artificial monofilaments into humid air for standing for 2 hours, and then blowing at constant temperature to obtain the reflective grass filaments; the humidity of the humid air is 20%, the temperature is 10 ℃, the constant-temperature blowing temperature is 80 ℃, the blowing gas is nitrogen, and the blowing speed is 10 mL/min.
The reflective artificial turf of the embodiment has the filament reflectivity of 10 percent, good weather resistance, continuous use for 200 days and loss amount less than 1 percent.
Example 2
A reflective artificial turf comprises a plastic base and an artificial turf accommodated in the plastic base, wherein the artificial turf comprises a base fabric, artificial grass filaments tufted on the base fabric and an adhesive layer arranged at the bottom end of the base fabric;
the artificial grass filaments are long-strip grass filaments twisted into a double-spiral structure, a plurality of round holes are uniformly distributed on the bottom base cloth, each round hole is divided into two semicircular holes by a fixing strip arranged in the middle of the round hole, and the artificial grass filaments penetrate through the two semicircular holes and are arranged on the bottom base cloth;
the artificial grass filaments are reflective grass filaments, and the reflective grass filaments are artificial monofilaments with reflective coatings.
The artificial monofilament is a monofilament which takes polymethyl methacrylate resin as a base material and heavy calcium carbonate as a filler.
The preparation method of the reflective grass filaments comprises the following steps:
step 1, coating an acetone liquid film on the surface of the artificial monofilament to obtain the coated artificial monofilament, wherein the coating amount of the acetone liquid film is 3mL/cm2；
Step 2, adding methyltrichlorosilane into anhydrous ether to form a solution, then adding glass microcrystal into the anhydrous ether, stirring and uniformly dispersing to obtain a light-reflecting prefabricated liquid, wherein the concentration of the methyltrichlorosilane in the anhydrous ether is 20g/L, the addition amount of the glass microcrystal is 20% of the mass of the methyltrichlorosilane, and the particle size of the glass microcrystal is 0.5 mm;
step 3, putting the reflective prefabricated liquid into a reduced pressure distillation device for reduced pressure distillation to obtain saturated ether liquid of methyl trichlorosilane, and then uniformly coating the saturated ether liquid on the surface of the coated artificial monofilament to obtain a prefabricated artificial monofilament; the pressure of the reduced pressure distillation is 80% of the atmospheric pressure, and the temperature is 50 ℃; the coating amount of the uniform coating is 10mL/cm2；
Step 4, placing the prefabricated artificial monofilaments into humid air for standing for 4 hours, and then blowing at constant temperature to obtain the reflective grass filaments; the humidity of the humid air is 40%, the temperature is 20 ℃, the constant-temperature blowing temperature is 90 ℃, the blowing gas is nitrogen, and the blowing speed is 20 mL/min.
The reflective artificial turf of the embodiment has the filament reflectivity of 13 percent, good weather resistance, continuous use for 200 days and loss less than 1 percent.
Example 3
A reflective artificial turf comprises a plastic base and an artificial turf accommodated in the plastic base, wherein the artificial turf comprises a base fabric, artificial grass filaments tufted on the base fabric and an adhesive layer arranged at the bottom end of the base fabric;
the artificial grass filaments are long-strip grass filaments twisted into a double-spiral structure, a plurality of round holes are uniformly distributed on the bottom base cloth, each round hole is divided into two semicircular holes by a fixing strip arranged in the middle of the round hole, and the artificial grass filaments penetrate through the two semicircular holes and are arranged on the bottom base cloth;
the artificial grass filaments are reflective grass filaments, and the reflective grass filaments are artificial monofilaments with reflective coatings.
The artificial monofilament is a monofilament which takes polymethyl methacrylate resin as a base material and heavy calcium carbonate as a filler.
The preparation method of the reflective grass filaments comprises the following steps:
step 1, coating an acetone liquid film on the surface of the artificial monofilament to obtain a coated manMaking monofilaments, wherein the coating amount of the acetone liquid film is 2mL/cm2；
Step 2, adding methyltrichlorosilane into anhydrous ether to form a solution, then adding glass microcrystal into the anhydrous ether, stirring and uniformly dispersing to obtain a light-reflecting prefabricated liquid, wherein the concentration of the methyltrichlorosilane in the anhydrous ether is 15g/L, the addition amount of the glass microcrystal is 15% of the mass of the methyltrichlorosilane, and the particle size of the glass microcrystal is 0.3 mm;
step 3, putting the reflective prefabricated liquid into a reduced pressure distillation device for reduced pressure distillation to obtain saturated ether liquid of methyl trichlorosilane, and then uniformly coating the saturated ether liquid on the surface of the coated artificial monofilament to obtain a prefabricated artificial monofilament; the pressure of the reduced pressure distillation is 75% of the atmospheric pressure, and the temperature is 45 ℃; the coating amount of the uniform coating is 8mL/cm2；
Step 4, placing the prefabricated artificial monofilaments into humid air for standing for 2-4 hours, and then blowing at constant temperature to obtain the reflective grass filaments; the humidity of the humid air is 30%, the temperature is 15 ℃, the constant-temperature purging temperature is 85 ℃, the purging gas is nitrogen, and the purging speed is 15 mL/min.
The reflective artificial turf of the embodiment has the filament reflectivity of 12 percent, good weather resistance, continuous use for 200 days and loss less than 1 percent.
In summary, the invention has the following advantages:
1. the invention solves the problem that the existing glass beads are easy to break, and uses organic silicon resin to form a staggered structure, thereby realizing the confinement of glass crystallites, ensuring the connection firmness, and simultaneously the glass crystallites have the light reflecting effect.
2. The invention utilizes the coating structure, effectively reduces the use of glass microcrystal, can be finished by coating the common grass filaments, greatly improves the process feasibility, and does not need to modify the whole grass filament process.
3. The invention effectively improves the surface permeation effect of the silicone resin on PMMA by using a compatible permeation mode, and improves the connectivity of the coating.
It should be understood that the detailed description of the invention is merely illustrative of the invention and is not intended to limit the invention to the specific embodiments described. It will be appreciated by those skilled in the art that the present invention may be modified or substituted equally as well to achieve the same technical result; as long as the use requirements are met, the method is within the protection scope of the invention.
Claims (5)
1. A reflective artificial turf, characterized by: the artificial turf comprises a base fabric, artificial grass filaments tufted on the base fabric and an adhesive layer arranged at the bottom end of the base fabric;
the artificial grass filaments are long-strip grass filaments twisted into a double-spiral structure, a plurality of round holes are uniformly distributed on the bottom base cloth, each round hole is divided into two semicircular holes by a fixing strip arranged in the middle of the round hole, and the artificial grass filaments penetrate through the two semicircular holes and are arranged on the bottom base cloth;
the artificial grass filaments are reflective grass filaments, and the reflective grass filaments are artificial monofilaments with reflective coatings;
the artificial monofilament is a monofilament which takes polymethyl methacrylate resin as a base material and heavy calcium carbonate as a filler;
the preparation method of the reflective grass filaments comprises the following steps:
step 1, coating an acetone liquid film on the surface of an artificial monofilament to obtain a coated artificial monofilament;
step 2, adding methyltrichlorosilane into anhydrous ether to form a solution, then adding the glass microcrystal into the anhydrous ether, and uniformly stirring and dispersing to obtain a light-reflecting prefabricated liquid;
step 3, putting the reflective prefabricated liquid into a reduced pressure distillation device for reduced pressure distillation to obtain saturated ether liquid of methyl trichlorosilane, and then uniformly coating the saturated ether liquid on the surface of the coated artificial monofilament to obtain a prefabricated artificial monofilament;
and step 4, placing the prefabricated artificial monofilaments into humid air to stand for 2-4 hours, and then blowing at constant temperature to obtain the reflective grass filaments.
2. The reflective artificial lawn of claim 1, wherein: the coating amount of the acetone liquid film of the step 1Is 1-3mL/cm2。
3. The reflective artificial lawn of claim 1, wherein: the concentration of the methyltrichlorosilane in the anhydrous ether in the step 2 is 10-20g/L, the addition amount of the glass microcrystal is 10-20% of the mass of the methyltrichlorosilane, and the grain diameter of the glass microcrystal is 0.1-0.5 mm.
4. The reflective artificial lawn of claim 1, wherein: the pressure of the reduced pressure distillation in the step 3 is 70-80% of the atmospheric pressure, and the temperature is 40-50 ℃; the coating amount of the uniform coating is 5-10mL/cm2。
5. The reflective artificial lawn of claim 1, wherein: the humidity of the humid air in the step 4 is 20-40%, the temperature is 10-20 ℃, the temperature of constant-temperature purging is 80-90 ℃, the purging gas is nitrogen, and the purging speed is 10-20 mL/min.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006124984A (en) * | 2004-10-27 | 2006-05-18 | Senshu Shikimono Kk | Artificial lawn |
| CN103571234A (en) * | 2012-08-09 | 2014-02-12 | 常州华日升反光材料股份有限公司 | Preparation method of modified glass beads for light reflecting film |
| CN106084868A (en) * | 2016-06-14 | 2016-11-09 | 江苏联创人造草坪股份有限公司 | A kind of reflective type chinampa |
| CN109537400A (en) * | 2018-11-29 | 2019-03-29 | 陆欣瑜 | A kind of reflective type chinampa playing mark action |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013010078A2 (en) * | 2011-07-14 | 2013-01-17 | Turf Group Llc | Special coatings for artificial turf |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006124984A (en) * | 2004-10-27 | 2006-05-18 | Senshu Shikimono Kk | Artificial lawn |
| CN103571234A (en) * | 2012-08-09 | 2014-02-12 | 常州华日升反光材料股份有限公司 | Preparation method of modified glass beads for light reflecting film |
| CN106084868A (en) * | 2016-06-14 | 2016-11-09 | 江苏联创人造草坪股份有限公司 | A kind of reflective type chinampa |
| CN109537400A (en) * | 2018-11-29 | 2019-03-29 | 陆欣瑜 | A kind of reflective type chinampa playing mark action |
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