CN111621136A - Runway and construction process thereof - Google Patents
Runway and construction process thereof Download PDFInfo
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- CN111621136A CN111621136A CN201910525608.9A CN201910525608A CN111621136A CN 111621136 A CN111621136 A CN 111621136A CN 201910525608 A CN201910525608 A CN 201910525608A CN 111621136 A CN111621136 A CN 111621136A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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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
- E01C13/06—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a runway and a construction process thereof, wherein the runway comprises the following raw materials in parts by weight: 30-40 parts of isocyanate prepolymer, 30-35 parts of epoxy polyurethane, 20-30 parts of rubber particles, 20-30 parts of filler, 10-15 parts of color paste, 10-15 parts of vulcanizing agent, 6-10 parts of polytetrafluoroethylene, 6-10 parts of tributyl phosphate, 6-10 parts of graphite, 4-8 parts of acrylonitrile-vinyl acetate copolymer fiber, 2-6 parts of stabilizer, 2-6 parts of antioxidant, 2-6 parts of ultraviolet absorbent and 2-6 parts of accelerator. The specific construction process steps of the runway are as follows: s1, preparing a mixture; s2, vulcanizing treatment; s3, preparing a runway preform; s4, spraying anti-skid rubber particles; and S5, scribing. The invention has the effect of delaying the fading speed of the runway.
Description
Technical Field
The invention relates to the technical field of runway construction, in particular to a runway and a construction process thereof.
Background
The track is divided into a standard track and a non-standard track, the standard track is a track with the circumference of 400 meters and the radius of 36.5 meters (36 meters and 37.898 meters), and the size of the non-standard track is properly adjusted according to the shape and size of the ground area, and the common circumference is 200 meters or 300 meters. The runway can be divided into according to the structure, the materials of its construction: prefabricated plastic track, all-plastic track, mixed plastic track, composite plastic track and air-permeable plastic track.
The existing coloring method of the track is to spray color paste on the surface of the track, and the color paste is solidified on the surface of the track after being dried, so that the track is colored. However, the runway painted by the color paste spraying method is easy to fade after being used for a period of time and irradiated by ultraviolet rays, and the service life of the runway is shortened.
Disclosure of Invention
The invention aims to provide a runway and a construction process thereof, which have the effect of delaying the fading speed of the runway.
The technical purpose of the invention is realized by the following technical scheme: the runway comprises the following formula raw materials in parts by weight: 30-40 parts of isocyanate prepolymer, 30-35 parts of epoxy polyurethane, 20-30 parts of rubber particles, 20-30 parts of filler, 10-15 parts of color paste, 10-15 parts of vulcanizing agent, 6-10 parts of polytetrafluoroethylene, 6-10 parts of tributyl phosphate, 6-10 parts of graphite, 4-8 parts of acrylonitrile-vinyl acetate copolymer fiber, 2-6 parts of stabilizer, 2-6 parts of antioxidant, 2-6 parts of ultraviolet absorbent and 2-6 parts of accelerator.
By adopting the technical scheme, the color paste is directly added into the raw materials of the runway formula, so that the raw materials are colored, and the color fixing property of the color paste is prevented from being poor due to the fact that the color paste is directly sprayed on the surface of the runway; the acrylonitrile-vinyl acetate copolymer fiber is added in the formula, the acrylonitrile-vinyl acetate copolymer fiber is obtained after the graft copolymerization of the acrylonitrile fiber and the vinyl acetate, the acrylonitrile fiber has good coloring performance, and after the copolymerization of the acrylonitrile fiber and the vinyl acetate, the color fastness and the coloring uniformity of the acrylonitrile-vinyl acetate copolymer fiber are obviously improved, so that the coloring performance of the formula raw materials is improved, the color fixing performance of the formula raw materials to color paste is improved, the color fading of the runway in the long-term use process is avoided, and the service life of the runway is prolonged; polytetrafluoroethylene is added in the raw materials of the formula, has good corrosion resistance and is used for improving the corrosion resistance of the runway under the soaking of rainwater or sewage; tributyl phosphate is added in the raw materials of the formula, and the tributyl phosphate has the effects of improving the plasticizing property and the flexibility of the raw materials, so that the elasticity of the runway is improved, and the shock absorption performance of the runway is improved.
The invention is further configured to: 2-6 parts of modified benzyl-viscose fiber is added into the raw materials of the formula.
By adopting the technical scheme, the fiber obtained by introducing benzyl from the side direction through the active chain link on the macromolecular chain of the viscose fiber is the modified benzyl-viscose fiber, and the benzyl is introduced on the viscose fiber, so that the modified benzyl-viscose fiber has good chemical stability, flame retardance and light stability, and the modified benzyl-viscose fiber is added into the raw material, thereby improving the stability, flame retardance and light stability of the runway, preventing the runway from aging or fading under the illumination, and prolonging the service life of the runway.
The invention is further configured to: the filler is prepared from the following components in percentage by mass: (1-1.5) a mixture of kaolin and calcium carbonate.
By adopting the technical scheme, the mixture of kaolin and calcium carbonate is added into the raw materials of the formula, so that the improvement on the physical properties of the runway, such as strength, rigidity, impact toughness, heat resistance and the like, is facilitated, and the effect of prolonging the service life of the runway is achieved
The invention is further configured to: the stabilizer is one of barium stearate or lead stearate.
By adopting the technical scheme, one of barium stearate or lead stearate is added into the raw materials of the formula, and both the barium stearate or the lead stearate can inhibit the property change of the runway caused by the action of light and heat in the processing and using processes, so that the stability of the runway is improved, and the service life of the runway is prolonged.
The invention is further configured to: the antioxidant is methyl silicone.
By adopting the technical scheme, the addition of the methyl silicone forms a physical barrier on the surface of the runway, so that the oxidation of components such as rubber containing carbon-carbon double bonds in the runway due to the fact that oxygen enters the inside of the runway is avoided, the possibility of surface cracks of the runway in the long-term use process is reduced, and the service life of the runway is prolonged.
The invention is further configured to: the ultraviolet absorbent is one of 2-hydroxy-4-methoxybenzophenone or 2, 4-dihydroxybenzophenone.
By adopting the technical scheme, because ultraviolet light in the ultraviolet rays is easy to decompose and fade color paste molecules in the runway through the redox effect, 2-hydroxy-4-methoxybenzophenone or 2, 4-dihydroxybenzophenone is added into the raw materials for absorbing the ultraviolet rays, so that the runway is prevented from fading after being exposed to sunlight for a long time; because the wavelength range of the 2-hydroxy-4-methoxybenzophenone and the 2, 4-dihydroxy benzophenone for absorbing ultraviolet rays is wide, and the raw materials are cheap and easy to obtain, one of the 2-hydroxy-4-methoxybenzophenone and the 2, 4-dihydroxy benzophenone is selected as the ultraviolet ray absorbent.
The invention is further configured to: the vulcanizing agent is odorless DCP.
By adopting the technical scheme, the odorless DCP is added to generate chemical bonds among linear molecules of the isocyanate prepolymer, the epoxy polyurethane and the rubber particles, so that the linear molecules are connected with each other to form a net-shaped structure, the crosslinking degree of the mixture is improved, and the physical properties of the runway, such as heat resistance, aging resistance and the like, are improved; the odorless DCP is used as a vulcanizing agent due to the high vulcanizing speed of the odorless DCP and the non-toxicity and environmental protection.
The invention is further configured to: the accelerant is triallyl cyanurate.
By adopting the technical scheme, the triallyl cyanurate has the effect of increasing the density of a net structure, so that the consumption of odorless DCP is reduced, and the production cost is reduced; the triallyl cyanurate is added, so that the mechanical strength and the heat resistance of the runway are improved.
The invention is further configured to: a runway construction process comprises the following specific construction steps:
s1, preparing a mixture: uniformly mixing isocyanate prepolymer, epoxy polyurethane rubber particles, filler, color paste, polytetrafluoroethylene, tributyl phosphate, graphite and acrylonitrile-vinyl acetate copolymer fiber according to the formula amount; then adding a stabilizer, an antioxidant and an ultraviolet absorbent into the raw materials, and uniformly mixing to obtain a mixture;
s2, vulcanization treatment: adding a vulcanizing agent and an accelerant into the mixture to carry out vulcanization treatment on the mixture to prepare a cross-linked material;
s3, preparing a preformed product of the runway: uniformly paving the cross-linking material on a substrate to prepare a runway preform;
s4, spraying of anti-skid rubber particles: when the length of the drawn wire on the surface of the runway preform is 2-3cm, uniformly spraying anti-skid colloidal particles on the runway preform;
s5, scribing: and after the surface of the runway preform is dried and fixed with the anti-skid colloidal particles, marking a runway line on the surface of the runway, and after the runway line is dried and molded, preparing a finished runway.
By adopting the technical scheme, in the process of preparing the mixture, the materials need to be discharged according to a certain sequence, so that the influence of chemical reaction among the raw materials on the preparation of the runway preform is avoided; in the step of spraying the anti-skid rubber particles, spraying is carried out when the surface of the runway perform is required to be drawn for 2-3cm, and the anti-skid rubber particles sprayed on the surface of the runway perform are tightly connected with the runway perform in the process of solidifying the runway perform, so that the anti-skid rubber particles are prevented from falling off from the runway perform.
The invention is further configured to: one of rosin size or ABS size is adhered to the surface of the anti-skid rubber particles.
By adopting the technical scheme, the rosin size or the ABS size is adhered to the surface of the anti-skid rubber particles, so that the adhesion of the surface of the anti-skid particles is improved, the stability of surface curing of the anti-skid particles and the preformed product of the runway is improved, and the anti-skid particles are further prevented from falling off from the surface of the runway in the process of using the runway for a long time.
In conclusion, the beneficial technical effects of the invention are as follows:
1. the color paste is directly added into the raw materials of the formula, so that the color fixing effect of the color paste is prevented from being reduced due to the fact that the color paste is directly sprayed on the surface of the runway;
2. the acrylonitrile-vinyl acetate copolymer fiber improves the coloring performance of the raw material formula, so that the color fixing performance of the runway to color paste is improved, and the runway is prevented from fading in the long-term use process;
3. the modified benzyl-viscose fiber improves the stability, flame retardance and light stability of the runway, so that the runway is prevented from aging or fading under the illumination, and the service life of the runway is prolonged.
Drawings
FIG. 1 is a flow chart of the production process of this example.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Embodiment 1 discloses a runway and a construction process thereof, wherein the runway comprises the following raw materials in parts by weight: 40 parts of isocyanate prepolymer, 30 parts of epoxy polyurethane, 20 parts of rubber particles, 30 parts of a mixture of kaolin and calcium carbonate with the mass fraction of 1:1, 15 parts of color paste, 10 parts of odorless DCP, 8 parts of polytetrafluoroethylene, 8 parts of tributyl phosphate, 8 parts of graphite, 6 parts of acrylonitrile-vinyl acetate copolymer fiber, 4 parts of modified benzyl-viscose fiber, 4 parts of barium stearate, 4 parts of methyl silicone, 4 parts of 2-hydroxy-4-methoxy benzophenone and 4 parts of triallyl cyanurate;
the construction process of the runway comprises the following specific steps:
s1, preparing a mixture: uniformly mixing isocyanate prepolymer, epoxy polyurethane rubber particles, a mixture of kaolin and calcium carbonate, color paste, polytetrafluoroethylene, tributyl phosphate, graphite, acrylonitrile-vinyl acetate copolymer fiber and modified benzyl-viscose fiber according to the formula amount; then adding barium stearate, methyl silicone and 2-hydroxy-4-methoxybenzophenone into the raw materials, and uniformly mixing to obtain a mixture;
s2, vulcanization treatment: adding odorless DCP and triallyl cyanurate into the mixture to carry out vulcanization treatment on the mixture to prepare a cross-linked material;
s3, preparing a preformed product of the runway: uniformly paving the cross-linking material on a substrate to prepare a runway preform;
s4, spraying of anti-skid rubber particles: when the length of the drawn wire on the surface of the runway preform is 3cm, uniformly spraying anti-skid colloidal particles with rosin size adhered to the surface on the runway preform;
s5, scribing: and after the surface of the runway preform is dried and fixed with the anti-skid colloidal particles, marking a runway line on the surface of the runway, and after the runway line is dried and molded, preparing a finished runway.
Example 2 differs from example 1 in that the acrylonitrile-vinyl acetate copolymer fiber is deleted.
Example 3 is different from example 1 in that acrylonitrile-vinyl acetate copolymer fiber is replaced with acrylonitrile fiber.
Example 4 is different from example 1 in that 6 parts of acrylonitrile-vinyl acetate copolymer fiber is replaced with 4 parts of acrylonitrile-vinyl acetate copolymer fiber.
Example 5 is different from example 1 in that 6 parts of acrylonitrile-vinyl acetate copolymer fiber is replaced with 8 parts of acrylonitrile-vinyl acetate copolymer fiber.
Example 6 differs from example 1 in that 4 parts of modified benzyl viscose fibre were deleted.
Example 7 is different from example 1 in that 4 parts of the modified benzyl-viscose fiber is replaced with 2 parts of the modified benzyl-viscose fiber.
Example 8 is different from example 1 in that 4 parts of the modified benzyl-viscose fiber is replaced with 6 parts of the modified benzyl-viscose fiber.
The finished racetrack prepared in examples 1 to 8 was sampled, 100 parts per group of examples, and the following performance tests were carried out on the samples:
and (3) testing tensile property: measuring the tensile strength and the elongation at break of a runway sample, and usually, adopting a universal electronic testing machine to carry out tensile measurement on a solid material;
and (3) testing the light stability: the runway samples of examples 1-8 were placed in an aging test chamber and subjected to concentrated uv irradiation, and the aging time and light transmittance were recorded for each set of runway samples.
TABLE 1-Performance test data for each of the runway samples of examples 1-8
According to the test results of the light stability and the tensile property of the runway samples in the example 1 and the example 2, the addition of the acrylonitrile-vinyl acetate copolymer fiber has good promotion effects on improving the tensile property of the runway sample and delaying the aging speed of the runway sample, and the light transmittance is low, which indicates that the addition of the acrylonitrile-vinyl acetate copolymer fiber is beneficial to delaying the fading speed of the runway sample;
according to the test results of the light stability and the tensile property of the runway samples in the example 1 and the example 3, the acrylonitrile-vinyl acetate copolymer fiber is replaced by the acrylonitrile fiber, and both the acrylonitrile-vinyl acetate copolymer fiber and the acrylonitrile fiber have good promotion effects on improving the tensile property of the runway sample and delaying the aging speed and the fading speed of the runway sample, but the acrylonitrile-vinyl acetate copolymer fiber has better effect;
according to the test results of the light stability and the tensile property of the runway samples in the examples 1 and 4-5, the tensile property and the light stability of the runway samples are gradually enhanced with the increase of the addition of the acrylonitrile-vinyl acetate copolymer fiber, but the runway with overhigh tensile strength is easy to have the problem of overlarge elasticity, the overlarge elasticity is not beneficial to the movement of athletes on the runway, the runway does not meet the national regulation standard, and the good effect can be achieved by selecting the intermediate value of the addition of the acrylonitrile-vinyl acetate copolymer fiber in consideration of the factors such as the production cost and the like;
according to the test results of the light stability and the tensile property of the runway samples in the examples 1 and 6, the modified benzyl-viscose fiber is added to improve the tensile property of the runway sample and delay the aging speed and the fading speed of the runway sample;
according to the test results of the light stability and the tensile property of the runway samples in the embodiments 1 and 7 to 8, the tensile property and the light stability of the runway sample are gradually enhanced with the increase of the addition amount of the modified benzyl-viscose fiber, but the runway with too high tensile strength is easy to have the problem of too high elasticity, the too high elasticity is not beneficial to the movement of athletes on the runway, the national regulation standard is not met, and the good effect can be achieved by selecting the intermediate value of the addition amount of the modified benzyl-viscose fiber in consideration of the factors such as the production cost and the like.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. A runway, characterized by: the formula comprises the following raw materials in parts by weight: 30-40 parts of isocyanate prepolymer, 30-35 parts of epoxy polyurethane, 20-30 parts of rubber particles, 20-30 parts of filler, 10-15 parts of color paste, 10-15 parts of vulcanizing agent, 6-10 parts of polytetrafluoroethylene, 6-10 parts of tributyl phosphate, 6-10 parts of graphite, 4-8 parts of acrylonitrile-vinyl acetate copolymer fiber, 2-6 parts of stabilizer, 2-6 parts of antioxidant, 2-6 parts of ultraviolet absorbent and 2-6 parts of accelerator.
2. A runway in accordance with claim 1 wherein: 2-6 parts of modified benzyl-viscose fiber is added into the raw materials of the formula.
3. A runway in accordance with claim 1 wherein: the filler is prepared from the following components in percentage by mass: (1-1.5) a mixture of kaolin and calcium carbonate.
4. A runway in accordance with claim 1 wherein: the stabilizer is one of barium stearate or lead stearate.
5. A runway in accordance with claim 1 wherein: the antioxidant is methyl silicone.
6. A runway in accordance with claim 1 wherein: the ultraviolet absorbent is 2-hydroxy-4-methoxybenzophenone or 2, 4-dihydroxybenzophenone.
7. A runway in accordance with claim 1 wherein: the vulcanizing agent is odorless DCP.
8. A runway in accordance with claim 1 wherein: the accelerant is triallyl cyanurate.
9. A runway construction process is characterized in that: the concrete construction steps are as follows:
s1, preparing a mixture: uniformly mixing isocyanate prepolymer, epoxy polyurethane rubber particles, filler, color paste, polytetrafluoroethylene, tributyl phosphate, graphite and acrylonitrile-vinyl acetate copolymer fiber according to the formula amount; then adding a stabilizer, an antioxidant and an ultraviolet absorbent into the raw materials, and uniformly mixing to obtain a mixture;
s2, vulcanization treatment: adding a vulcanizing agent and an accelerant into the mixture to carry out vulcanization treatment on the mixture to prepare a cross-linked material;
s3, preparing a preformed product of the runway: uniformly paving the cross-linking material on a substrate to prepare a runway preform;
s4, spraying of anti-skid rubber particles: when the length of the drawn wire on the surface of the runway preform is 2-3cm, uniformly spraying anti-skid colloidal particles on the runway preform;
s5, scribing: and after the surface of the runway preform is dried and fixed with the anti-skid colloidal particles, marking a runway line on the surface of the runway, and after the runway line is dried and molded, preparing a finished runway.
10. A runway construction process according to claim 9 wherein: one of rosin size or ABS size is adhered to the surface of the anti-skid rubber particles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910525608.9A CN111621136A (en) | 2019-06-18 | 2019-06-18 | Runway and construction process thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910525608.9A CN111621136A (en) | 2019-06-18 | 2019-06-18 | Runway and construction process thereof |
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| CN111621136A true CN111621136A (en) | 2020-09-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111171502A (en) * | 2019-12-31 | 2020-05-19 | 日彩复合塑料(深圳)有限公司 | ABS reclaimed material and preparation process thereof |
| CN112574674A (en) * | 2020-11-30 | 2021-03-30 | 武汉世纪领航体育发展有限公司 | Composite runway and construction process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1360110A (en) * | 2002-01-15 | 2002-07-24 | 深圳市奥顺达实业有限公司 | Method for building up plastic race track |
| CN106751030A (en) * | 2016-12-20 | 2017-05-31 | 墨宝股份有限公司 | A kind of environment-friendly type plastic rubber slurry of sports field and preparation method thereof |
| CN108948752A (en) * | 2017-05-17 | 2018-12-07 | 中路高科(北京)公路技术有限公司 | Porous pavement special asphalt, mixture and preparation method containing it |
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2019
- 2019-06-18 CN CN201910525608.9A patent/CN111621136A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1360110A (en) * | 2002-01-15 | 2002-07-24 | 深圳市奥顺达实业有限公司 | Method for building up plastic race track |
| CN106751030A (en) * | 2016-12-20 | 2017-05-31 | 墨宝股份有限公司 | A kind of environment-friendly type plastic rubber slurry of sports field and preparation method thereof |
| CN108948752A (en) * | 2017-05-17 | 2018-12-07 | 中路高科(北京)公路技术有限公司 | Porous pavement special asphalt, mixture and preparation method containing it |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111171502A (en) * | 2019-12-31 | 2020-05-19 | 日彩复合塑料(深圳)有限公司 | ABS reclaimed material and preparation process thereof |
| CN112574674A (en) * | 2020-11-30 | 2021-03-30 | 武汉世纪领航体育发展有限公司 | Composite runway and construction process thereof |
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