CN110527199B - Prefabricated EPDM (ethylene-propylene-diene monomer) sports surface layer and forming process thereof - Google Patents
Prefabricated EPDM (ethylene-propylene-diene monomer) sports surface layer and forming process thereof Download PDFInfo
- Publication number
- CN110527199B CN110527199B CN201910786647.4A CN201910786647A CN110527199B CN 110527199 B CN110527199 B CN 110527199B CN 201910786647 A CN201910786647 A CN 201910786647A CN 110527199 B CN110527199 B CN 110527199B
- Authority
- CN
- China
- Prior art keywords
- parts
- epdm
- expanded perlite
- surface layer
- eva
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/045—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
- B29C35/06—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam for articles of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0011—Combinations of extrusion moulding with other shaping operations combined with compression moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/16—Ethene-propene or ethene-propene-diene copolymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2471/00—Characterised by the use of polyethers obtained by reactions forming an ether link in the main chain; Derivatives of such polymers
- C08J2471/02—Polyalkylene oxides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
- C08J2491/06—Waxes
-
- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
- C08K3/02—Elements
- C08K3/06—Sulfur
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/14—Peroxides
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a prefabricated EPDM (ethylene-propylene-diene monomer) sports surface layer and a forming process thereof, wherein the prefabricated EPDM sports surface layer comprises the following components in parts by weight: 65-75 parts of EPDM granules, 10-20 parts of phenyl silicone rubber, 5-10 parts of EVA master batch, 30-35 parts of expanded perlite slurry, 5-10 parts of inorganic silicon gel, 10-15 parts of reinforcing material, 3-5 parts of hydroxyl silicone oil, 1-3 parts of composite cross-linking agent, 1-3 parts of anti-aging agent and 0.5-2 parts of deodorant; when the sun insolates, the motion surface course of this application is slower to the response of temperature rise, surface temperature rise is less, and the vapor evaporation on the reducible foundation layer reduces vapor and gathers between foundation layer and motion surface course to prevent that prefabricated type EPDM motion surface course from appearing bulging, the fracture problem.
Description
Technical Field
The invention relates to the technical field of plastic runways, in particular to a prefabricated EPDM (ethylene-propylene-diene monomer) sports surface layer and a forming process thereof.
Background
The plastic track is composed of polyurethane prepolymer, mixed polyether, waste tire rubber, EPDM rubber particles, pigment, auxiliary agent and filler. Compared with the common runway, the EPDM plastic runway has the characteristics of better flatness, higher compressive strength, proper hardness and elasticity and stable physical performance, can absorb strong impact and reduce physical consumption, and is widely applied to laying olympic games, professional training grounds, primary and secondary schools and kindergarten grounds.
At present, a Chinese patent with the application publication number of CN106519463A in the existing patent discloses a sulfur-free vulcanized ethylene propylene diene monomer prefabricated runway coiled material and a preparation method thereof, wherein the coiled material is prepared from the following raw materials: ethylene propylene diene monomer, accelerator, nano calcium carbonate, light calcium carbonate, paraffin oil, polyethylene wax, zinc oxide, anti-aging agent, stearic acid and pigment; the product in the prior art is suitable for laying sports fields such as competitions, training and the like and fitness fields.
However, most of plastic runways are laid outdoors, and when the plastic runways are subjected to hot summer, the surface layers of the existing plastic runways respond to outdoor temperature quickly, the surface temperature of the plastic runways can rise along with the rise of the outdoor temperature, water vapor on the base layers is evaporated in an accelerated manner, and if the water vapor is accumulated between the base layers and the motion surface layers in a large amount, the motion surface layers are prone to bulging, cracking and the like.
Disclosure of Invention
The invention aims to provide a prefabricated EPDM moving surface layer and a forming process thereof, wherein the moving surface layer has slow response to temperature rise and small surface temperature rise, and can reduce the accumulation of water vapor between a base layer and the moving surface layer, thereby preventing the moving surface layer from bulging and cracking.
The above object of the present invention is achieved by the following technical solutions:
a prefabricated EPDM moving surface layer comprises the following components in parts by weight: 65-75 parts of EPDM particles, 10-20 parts of phenyl silicone rubber, 5-10 parts of EVA master batch, 30-35 parts of expanded perlite slurry, 5-10 parts of inorganic silicon gel, 10-15 parts of reinforcing material, 3-5 parts of hydroxyl silicone oil, 1-3 parts of composite cross-linking agent, 1-3 parts of anti-aging agent and 0.5-2 parts of deodorant.
By adopting the technical scheme, the EPDM (ethylene propylene rubber) is also called ethylene propylene rubber, ethylene and propylene are used as main raw materials to synthesize the EPDM, the aging resistance, the electric insulation performance and the ozone resistance are outstanding, and the ethylene propylene rubber has excellent weather resistance, ozone resistance, heat resistance, acid and alkali resistance and can be used for a long time at 120 ℃; the phenyl silicone rubber is mineral rubber, the bonded rubber layer has higher bonding strength under the condition of full dehydration, and the phenyl silicone rubber has excellent high and low temperature resistance, irradiation resistance, fire resistance and corrosion resistance; the EVA master batch has good flexibility and rubber-like elasticity, can still have good flexibility, surface gloss and chemical stability at the temperature of 50 ℃ below zero, the EPDM granules, the phenyl silicone rubber and the EVA master batch are doped to form a mixed main body, so that the prepared mixed main body has weather resistance, high and low temperature resistance and fire resistance, the EVA master batch belongs to a flexible base material, the EPDM granules and the phenyl silicone rubber belong to a rigid base material, and the EPDM granules and the phenyl silicone rubber are mixed together, so that the mixed main body has high elasticity, and the moving surface layer is ensured to have good usability; the expanded perlite slurry and the inorganic silicon gel are added into the mixed main body, the expanded perlite slurry has extremely low heat conductivity coefficient and slow response to temperature rise, the inorganic silicon gel has good heat insulation effect and good dispersibility, and the expanded perlite slurry is favorably and uniformly dispersed in the formula of the movement surface layer, so that the prefabricated EPDM movement surface layer is prepared; when the sun is exposed, the motion surface layer has slow response to temperature rise and small surface temperature rise, and the evaporation of water vapor on the base layer can be reduced, so that the accumulation of the water vapor between the base layer and the motion surface layer is reduced, and the problems of bulging and cracking of the prefabricated EPDM motion surface layer are effectively prevented.
The invention is further configured to: the phenyl silicone rubber contains 20-30% of phenyl.
By adopting the technical scheme, the content of phenyl in the phenyl silicone rubber is limited to be 20-30%, so that the rigidity of the phenyl silicone rubber molecular chain is increased, the structural strength of the motion surface layer is improved, and the wear resistance, ablation resistance and irradiation resistance of the motion surface layer are improved.
The invention is further configured that the expanded perlite slurry is prepared by the following method:
(1) Preparing materials: weighing 60-70 parts of expanded perlite, 5-10 parts of chopped carbon fiber, 5-10 parts of paraffin-calcium stearate and 20-30 parts of dearomatization solvent oil according to parts by weight;
(2) Dispersing the chopped carbon fibers in the dearomatization solvent oil, wherein the stirring speed is 160-170 r/min;
(3) And adding the paraffin-calcium stearate and the expanded perlite under the stirring condition, and uniformly stirring to obtain the expanded perlite slurry.
By adopting the technical scheme, the expanded perlite is a white granular material with a honeycomb structure inside, which is prepared by preheating perlite ore sand and instantly roasting and expanding at high temperature, the heat conductivity coefficient is low, and the surface layer formula of the invention contains no moisture, so that the use limitation of the expanded perlite caused by overhigh water absorption can be compensated; the chopped carbon fibers have a heat insulation effect, are low in temperature rise sensitivity, high in surface adsorption and excellent in binding property with other fillers; the paraffin-calcium stearate has good lubricating and stabilizing effects and is beneficial to uniformly dispersing the expanded perlite on the surface of the carbon fiber; the steric hindrance of the dearomatized solvent oil is small, the polarity difference between the dearomatized solvent oil and other components is reduced, and the improvement of the compatibility among the components is facilitated, so that the uniformly mixed expanded perlite slurry is prepared.
The preparation method comprises the steps of dispersing the chopped carbon fibers in the dearomatization solvent oil in advance, so that the surface of the chopped carbon fibers is enabled to be high in binding property with other components, and then mixing the paraffin-calcium stearate and the expanded perlite in the dearomatization solvent oil, wherein the paraffin-calcium stearate has good lubricating and dispersing effects, so that the expanded perlite is enabled to be uniformly dispersed on the surface of the chopped carbon fibers, and the prepared expanded perlite slurry is enabled to be uniformly dispersed.
The invention is further configured to: the viscosity of the expanded perlite slurry is 750-1000 mpa · s.
Through adopting above-mentioned technical scheme, inject the viscosity of expanded perlite thick liquids, the viscosity of this scope is moderate, helps guaranteeing the homodisperse of expanded perlite thick liquids and other fillers, still can improve the processing ease of this motion surface course and guarantee that the texture of motion surface course is even.
The invention is further configured to: the reinforcing material is prepared by mixing blast furnace gas ash and calcined argil according to a weight ratio of 1.
By adopting the technical scheme, the blast furnace gas ash is obtained by burning the steel lightweight aggregate through the intermediate frequency furnace, and has good activity; the calcined argil is a crystalline substance of alumina and silica containing different crystal water, the surface energy of the calcined argil is reduced, the dispersibility is improved, and the blast furnace gas ash and the calcined argil are mixed and can be dispersed in a rubber matrix, so that the structural strength of a moving surface layer is improved.
The invention is further configured to: the composite cross-linking agent is prepared by mixing dicumyl peroxide and sulfur according to a weight ratio of 1.
By adopting the technical scheme, the sulfur is used as a cross-linking agent, the application is wide, the cost is low, the vulcanization is mild, the flex fatigue resistance is good, the mechanical strength is high, but the high temperature resistance of the sulfur is poor, the heat resistance and the cold resistance of dicumyl peroxide are excellent, the rubber material vulcanization time is short, but the coking phenomenon is easy to occur, the dicumyl peroxide and the sulfur are compounded, the stability of the vulcanization process is improved, the structural strength, the cold resistance and the heat resistance of a vulcanized product are improved, and the expanded perlite slurry is uniformly dispersed in a mixing main body.
The invention is further set up in that the EVA master batch is prepared by the following method:
(1) Preparing materials: weighing 50-60 parts of EVA, 10-15 parts of zinc oxide, 3-5 parts of fatty alcohol-polyoxyethylene ether and 5-10 parts of rare earth isooctanoate according to parts by weight;
(2) Adding fatty alcohol-polyoxyethylene ether into EVA, and soaking for 1-1.5 h;
(3) Continuously adding zinc oxide and rare earth isooctoate, and extruding and granulating.
By adopting the technical scheme, because the dispersibility of the EVA and other fillers is poor, the EVA needs to be modified, and the fatty alcohol-polyoxyethylene ether is added into the EVA at present, so that the surface activity of the EVA is favorably improved, and the compatibility of the EVA, EPDM particles and phenyl silicone rubber is improved; the zinc oxide can improve the reactivity of the EVA surface, and the isooctanoic acid rare earth can coordinate with the functional group when meeting the functional group, which is also beneficial to improving the reactivity of the EVA master batch and can be used for other fillers to be uniformly dispersed in the mixed main body.
The second aim of the invention is realized by the following technical scheme:
a forming process of a prefabricated EPDM (ethylene-propylene-diene monomer) sports surface layer comprises the following steps:
(1) Preparing materials: weighing 65-75 parts of EPDM particles, 10-20 parts of phenyl silicone rubber, 5-10 parts of EVA master batch, 30-35 parts of expanded perlite slurry, 5-10 parts of inorganic silicon gel, 10-15 parts of reinforcing material, 3-5 parts of hydroxyl silicone oil, 1-3 parts of composite cross-linking agent, 1-3 parts of anti-aging agent and 0.5-2 parts of deodorant according to parts by weight;
(2) Heating EPDM granules, phenyl silicone rubber and EVA master batches at 135-150 ℃, and uniformly stirring to form a main mixing body;
(3) Raising the temperature to 150-160 ℃, adding hydroxyl silicone oil, expanded perlite slurry and inorganic silicon gel into the mixed main body, and uniformly mixing;
(4) Continuously adding the reinforcing material, and uniformly mixing;
(5) Adding an anti-aging agent, a deodorant and a composite crosslinking agent, and uniformly mixing to obtain a preformed body;
(6) Extruding the preformed body into a sheet shape, wherein the temperature of a die head is 165-170 ℃, and rolling the preformed body into a motion surface layer through a double-roller calender;
(7) The mixture enters a hot air oven through a conveying line for vulcanization; the vulcanization is divided into three sections, the temperature of the first section is 195-205 ℃, and the vulcanization lasts for 10min; the temperature of the second section is 155-165 ℃, and the second section lasts for 10min; the third section temperature is 145-155 ℃, the duration is 10min, and the movement surface layer coiled material is obtained after cooling.
By adopting the technical scheme, the main mixing body is prepared firstly, the hydroxyl silicone oil is added, the compatibility of the main mixing body and other fillers is improved, and then the expanded perlite slurry and the inorganic silicon gel are added, so that the expanded perlite slurry and the inorganic silicon gel are uniformly dispersed in the main mixing body; and finally, adding a reinforcing material, an anti-aging agent, a deodorant and a composite crosslinking agent to prepare the EPDM moving surface layer preformed body with uniform texture, wherein the forming process is stable, and the formed product has uniform texture, is tasteless and environment-friendly.
In conclusion, the beneficial technical effects of the invention are as follows:
EPDM moving surface layer temperature rise is little: the expanded perlite slurry and the inorganic silica gel are added, so that the motion surface layer has slow response to temperature rise and small surface temperature rise, the water vapor on the base layer can be prevented from evaporating, the accumulation of the water vapor between the base layer and the motion surface layer is reduced, and the problems of bulging and cracking of the prefabricated EPDM motion surface layer are prevented.
2. EPDM particles, phenyl silicone rubber and EVA master batches are blended to be used as a mixing main body, so that the mixing main body has high elasticity, weather resistance, heat resistance, irradiation resistance and corrosion resistance, and is favorable for preparing a plastic track with excellent comprehensive performance;
the EVA master batch is a modified product of EVA, is favorable for improving the compatibility of the EVA, the EPDM granules and the phenyl silicone rubber, and is also favorable for uniformly dispersing other filler components in the mixing main body;
4. the addition of sulfur is reduced, and the deodorant is added, so that the prepared EPDM sports surface layer is tasteless and environment-friendly.
Detailed Description
The present invention will be described in further detail with reference to examples.
The dearomatization solvent oil is d40 solvent oil produced by Star burning petrochemical company Limited.
The antioxidant is antioxidant RD produced by Changzhou Xinhua daming chemical industry limited.
The deodorant is DS-20 rubber deodorant produced by Qingdao Dingsheng New Material science and technology Limited.
The paraffin-calcium stearate is prepared by the following method: (1) Weighing 10 parts of calcium stearate and 10 parts of paraffin according to parts by weight; (2) Dissolving paraffin in 20 parts by weight of hot water at 85 ℃ to obtain paraffin liquid; (3) Adding 5 parts by weight of gasoline into the paraffin liquid, and uniformly stirring to obtain a pre-dispersion; (4) And adding the calcium stearate into the pre-dispersion body, and uniformly stirring.
The inorganic silica gel is an inorganic silica gel which is produced by a ZuWYongxing novel heat-insulation building material factory in great city county and has the model of YX.
The blast furnace gas ash has the highest iron content and carbon content, the sum of the iron content and the carbon content is 45-65%, and the blast furnace gas ash is converter dust of Beijing steelmaking company of the North Table iron and Steel group.
The calcined kaolin is selected from calcined kaolin produced by GmbH of inner Mongolian sky, with the specification of 1250 mesh, the content of silicon dioxide of 58 percent, the Mohs hardness of 12 and the cargo number of RA-1250.
The expanded perlite is prepared from Zhengzhou Ruizhixing perlite manufacturer, and has silicon dioxide content of 95% or more and density of 500g/cm 3 The hardness is 5.5-7, the expansion multiple is 8-25, the water content is less than or equal to 2-6%, and the granularity is 8-10 meshes.
The EVA is a high-flow EVA of a hot melt adhesive sold by Puhua rubber and plastic material factories in Dragon sentry of Shenzhen, and has a model number of Taiwan Taidai UE639-04.
The chopped carbon fiber is 1.5mm chopped carbon fiber from Dongli corporation of Japan.
Preparation of raw materials example one:
an expanded perlite slurry is prepared by the following method:
(1) Preparing materials: weighing 60 parts of expanded perlite, 5 parts of chopped carbon fiber, 5 parts of paraffin-calcium stearate and 20 parts of dearomatization solvent oil according to parts by weight;
(2) Dispersing the chopped carbon fibers in dearomatization solvent oil, wherein the stirring speed is 160r/min;
(3) And adding the paraffin-calcium stearate and the expanded perlite under the stirring condition, and uniformly stirring to obtain the expanded perlite slurry.
Preparation example two of raw materials:
an expanded perlite slurry is prepared by the following method:
(1) Preparing materials: weighing 63 parts of expanded perlite, 6 parts of chopped carbon fiber, 6 parts of paraffin-calcium stearate and 23 parts of dearomatization solvent oil according to parts by weight;
(2) Dispersing the chopped carbon fibers in the dearomatization solvent oil, wherein the stirring speed is 160r/min;
(3) And adding the paraffin-calcium stearate and the expanded perlite under the stirring condition, and uniformly stirring to obtain the expanded perlite slurry.
Preparation example three of raw materials:
an expanded perlite slurry is prepared by the following method:
(1) Preparing materials: weighing 65 parts of expanded perlite, 8 parts of chopped carbon fiber, 7.5 parts of paraffin-calcium stearate and 25 parts of dearomatization solvent oil according to parts by weight;
(2) Dispersing the chopped carbon fibers in dearomatization solvent oil, wherein the stirring speed is 165r/min;
(3) And adding the paraffin-calcium stearate and the expanded perlite under the stirring condition, and uniformly stirring to obtain the expanded perlite slurry.
Preparation example four of raw materials:
an expanded perlite slurry is prepared by the following method:
(1) Preparing materials: weighing 68 parts of expanded perlite, 9 parts of chopped carbon fiber, 9 parts of paraffin-calcium stearate and 28 parts of dearomatization solvent oil according to parts by weight;
(2) Dispersing the chopped carbon fibers in the dearomatization solvent oil, wherein the stirring speed is 168r/min;
(3) And adding the paraffin-calcium stearate and the expanded perlite under the stirring condition, and uniformly stirring to obtain the expanded perlite slurry.
Preparation example v of raw materials:
an expanded perlite slurry is prepared by the following method:
(1) Preparing materials: weighing 70 parts of expanded perlite, 10 parts of chopped carbon fiber, 10 parts of paraffin-calcium stearate and 30 parts of dearomatization solvent oil according to parts by weight;
(2) Dispersing the chopped carbon fibers in dearomatization solvent oil, wherein the stirring speed is 170r/min;
(3) And adding the paraffin-calcium stearate and the expanded perlite under the stirring condition, and uniformly stirring to obtain the expanded perlite slurry.
Preparation example six of raw materials:
an EVA master batch is prepared by the following method:
(1) Preparing materials: weighing 50 parts of EVA (ethylene vinyl acetate), 10 parts of zinc oxide, 3 parts of fatty alcohol-polyoxyethylene ether and 5 parts of rare earth isooctanoate according to the parts by weight;
(2) Adding fatty alcohol-polyoxyethylene ether into EVA, and soaking for 1h;
(3) And continuously adding zinc oxide and rare earth isooctanoate, and extruding and granulating.
Preparation of the starting materials example seven:
an EVA master batch is prepared by the following method:
(1) Preparing materials: weighing 52 parts of EVA, 12 parts of zinc oxide, 3.5 parts of fatty alcohol-polyoxyethylene ether and 7 parts of rare earth isooctanoate according to parts by weight;
(2) Adding fatty alcohol-polyoxyethylene ether into EVA, and soaking for 1h;
(3) And continuously adding zinc oxide and rare earth isooctanoate, and extruding and granulating.
Raw material preparation example eight:
an EVA master batch is prepared by the following method:
(1) Preparing materials: weighing 55 parts of EVA, 13 parts of zinc oxide, 4 parts of fatty alcohol-polyoxyethylene ether and 8 parts of rare earth isooctanoate according to parts by weight;
(2) Adding fatty alcohol-polyoxyethylene ether into EVA, and soaking for 1.2h;
(3) Continuously adding zinc oxide and rare earth isooctoate, and extruding and granulating.
Example nine preparation of raw materials:
an EVA master batch is prepared by the following method:
(1) Preparing materials: according to the parts by weight, 57 parts of EVA, 14 parts of zinc oxide, 4.5 parts of fatty alcohol-polyoxyethylene ether and 9 parts of rare earth isooctanoate are weighed;
(2) Adding fatty alcohol-polyoxyethylene ether into EVA, and soaking for 1.5h;
(3) Continuously adding zinc oxide and rare earth isooctoate, and extruding and granulating.
Raw material preparation example ten:
an EVA master batch is prepared by the following method:
(1) Preparing materials: weighing 60 parts of EVA, 15 parts of zinc oxide, 5 parts of fatty alcohol-polyoxyethylene ether and 10 parts of rare earth isooctanoate according to parts by weight;
(2) Adding fatty alcohol-polyoxyethylene ether into EVA, and soaking for 1.5h;
(3) And continuously adding zinc oxide and rare earth isooctanoate, and extruding and granulating.
The first embodiment is as follows:
a forming process of a prefabricated EPDM (ethylene-propylene-diene monomer) sports surface layer comprises the following steps:
(1) Preparing materials: weighing 65 parts of EPDM granules, 10 parts of phenyl silicone rubber, 5 parts of EVA master batch prepared in the sixth raw material preparation example, 30 parts of expanded perlite slurry prepared in the first raw material preparation example, 5 parts of inorganic silica gel, 5 parts of blast furnace gas ash, 5 parts of calcined pottery clay, 3 parts of hydroxyl silicone oil, 0.5 part of dicumyl peroxide, 0.5 part of sulfur, 1 part of anti-aging agent RD and 0.5 part of deodorant;
(2) Heating EPDM granules, phenyl silicone rubber and EVA master batches at 150 ℃, and uniformly stirring to form a mixed main body;
(3) Raising the temperature to 155 ℃, adding hydroxyl silicone oil, expanded perlite slurry and inorganic silicon gel into the mixed main body, and uniformly mixing;
(4) Continuously adding blast furnace gas ash and calcined argil, and uniformly mixing;
(5) Adding an anti-aging agent RD, a deodorant, dicumyl peroxide and sulfur, and uniformly mixing to obtain a preformed body;
(6) Extruding the preformed body into a sheet shape, wherein the temperature of a die head is 170 ℃, and rolling the preformed body into a motion surface layer through a double-roller calender;
(7) The mixture enters a hot air oven through a conveying line for vulcanization; the vulcanization is divided into three sections, wherein the temperature of the first section is 200 ℃, and the vulcanization lasts for 10min; the second stage temperature is 160 deg.C, and lasts for 10min; and the temperature of the third section is 150 ℃, the duration time is 10min, and the moving surface layer coiled material is obtained after cooling.
Example two:
a forming process of a prefabricated EPDM sports surface layer is different from the first embodiment in that the formula composition is different: 68 parts of EPDM granules, 12 parts of phenyl silicone rubber, 7 parts of EVA master batch prepared in the sixth raw material preparation example, 31 parts of expanded perlite slurry prepared in the first raw material preparation example, 7 parts of inorganic silica gel, 5.5 parts of blast furnace gas ash, 5.5 parts of calcined argil, 3.5 parts of hydroxyl silicone oil, 0.7 part of dicumyl peroxide, 0.7 part of sulfur, 1.5 parts of anti-aging agent RD and 0.8 part of deodorant.
Example three:
a forming process of a prefabricated EPDM sports surface layer is different from the first embodiment in that the formula composition is different: 70 parts of EPDM granules, 15 parts of phenyl silicone rubber, 8 parts of EVA master batch prepared in the sixth raw material preparation example, 33 parts of expanded perlite slurry prepared in the first raw material preparation example, 8 parts of inorganic silica gel, 6 parts of blast furnace gas ash, 6 parts of calcined pottery clay, 4 parts of hydroxyl silicone oil, 0.9 part of dicumyl peroxide, 0.9 part of sulfur, 2 parts of anti-aging agent RD and 1.2 parts of deodorant.
Example four:
a forming process of a prefabricated EPDM sports surface layer is different from the first embodiment in that the formula composition is different: 72 parts of EPDM granules, 18 parts of phenyl silicone rubber, 9 parts of EVA master batch prepared in the sixth raw material preparation example, 34 parts of expanded perlite slurry prepared in the first raw material preparation example, 9 parts of inorganic silica gel, 7 parts of blast furnace gas ash, 7 parts of calcined pottery clay, 4.5 parts of hydroxyl silicone oil, 1.2 parts of dicumyl peroxide, 1.2 parts of sulfur, 2.5 parts of anti-aging agent RD and 1.6 parts of deodorant.
Example five:
a forming process of a prefabricated EPDM sports surface layer is different from the first embodiment in the following formula: according to the weight parts, 75 parts of EPDM particles, 20 parts of phenyl silicone rubber, 10 parts of EVA master batch prepared in the sixth raw material preparation example, 35 parts of expanded perlite slurry prepared in the first raw material preparation example, 10 parts of inorganic silicon gel, 7.5 parts of blast furnace gas ash, 7.5 parts of calcined argil, 5 parts of hydroxyl silicone oil, 1.5 parts of dicumyl peroxide, 1.5 parts of sulfur, 3 parts of anti-aging agent RD and 2 parts of deodorant are weighed.
Comparative example one:
the sulfur-free vulcanized ethylene propylene diene monomer prefabricated runway coiled material is prepared from the following raw materials in parts by weight: 3092 parts of ethylene propylene diene monomer, 1.2 parts of accelerator J-75, 25 parts of nano calcium carbonate, 25 parts of light calcium carbonate, 8 parts of paraffin oil, 2.4 parts of polyethylene wax, 1 part of zinc oxide, 2246.4 parts of anti-aging agent, 6 parts of iron oxide red and 1 part of stearic acid.
The preparation method of the runway coiled material comprises the following steps:
(1) Taking the raw materials except the accelerant according to the weight ratio, putting the raw materials into an internal mixer for mixing, wherein the temperature of the internal mixer is 105 ℃, and the time is 7min, so as to obtain an internal mixing material; putting the banburying materials into an extruder, wherein the extrusion temperature is 132 ℃, the die head temperature is 102 ℃, continuously discharging sheets, and cooling to obtain ethylene propylene rubber mixed refined rubber;
(2) Placing the ethylene propylene rubber mixed refined rubber for 38 hours, placing the ethylene propylene rubber mixed refined rubber into an internal mixer again for internal mixing, wherein the internal mixing temperature is 110 ℃, and adding a sulfur powder vulcanizing agent after mixing for 3 minutes; 3min later, feeding the mixture into an extruder, wherein the extrusion temperature is 125 ℃, the die head temperature is 136 ℃, and the mixture is extruded into a sheet shape; pressing the mixture into a surface layer in a shape of riprap patterns by a double-roller calender;
(3) The mixture enters a hot air oven through a conveying line for vulcanization; the oven is divided into three sections: the first stage temperature is 202 ℃ and the duration is 10 minutes; the second stage temperature is 162 ℃ and the duration time is 10 minutes; the temperature of the third section is 148 ℃ and the duration time is 10 minutes;
(4) And after vulcanization, cooling by wind, and cutting edges to obtain the ethylene propylene diene monomer track coiled material finished product.
Comparative example two:
the forming process of the prefabricated EPDM moving surface layer is different from the first embodiment in that: in the formulation of the sports surface layer, the expanded perlite slurry is absent and the preparation method is the same as that of the first embodiment.
Comparative example three:
the forming process of the prefabricated EPDM moving surface layer is different from the first embodiment in that: in the formulation of the sports surface layer, the inorganic silica gel is absent, and the preparation method is the same as the first embodiment.
Comparative example four:
a forming process of a prefabricated EPDM moving surface layer is different from the first embodiment in that: in the formulation of the sports surface layer, the expanded perlite slurry and the inorganic silica gel are absent, and the preparation method is the same as that of the first embodiment.
The detection means comprises:
(1) Selecting samples of the first to fifth examples and the comparative example, cutting the samples into 25cm 2cm, baking the samples by using an infrared physiotherapy lamp of Philips at a lamp distance of 10cm for 12 hours, and observing the temperature rise change and the appearance quality of the surfaces of the samples.
The results are shown in the following table:
| sample (I) | Before baking (. Degree.C.) | After baking (. Degree.C.) | Appearance quality |
| Example one | 25 | 32.4 | Surface smoothing |
| Example two | 25 | 31.1 | Surface smoothing |
| EXAMPLE III | 25 | 30 | Surface smoothing |
| Example four | 25 | 30 | Surface smoothing |
| EXAMPLE five | 25 | 30.5 | Surface smoothing |
| Comparative example 1 | 25 | 52.2 | Surface cracking |
Therefore, the comparative sample takes the conventional ethylene propylene diene monomer as a main material, nano calcium carbonate and light calcium carbonate are added, paraffin oil and polyethylene wax auxiliary agents are added, and the temperature rises to about 22 ℃ after being baked by an infrared physiotherapy lamp; the sports surface layer with low response to temperature rise is prepared by mixing rubber of the main body, adding expanded perlite slurry and inorganic silicon gel, and the temperature rise is about 5 ℃ after being baked by an infrared physiotherapy lamp; the surface course that moves of this application has better heat resistance, is favorable to reducing because of the cracking phenomenon of the surface course that moves that the high temperature causes to keep the surfacing of surface course that moves.
(2) Selecting the samples of the first to fifth examples and the comparative example, cutting the samples into 25cm × 2cm, selecting a cement substrate with the size of 25cm × 4cm, spraying the cement substrate in a thermal spraying mode by using a flower American magic ball type sprayer with the model of NTFS-618B, aligning the outlet of the sprayer to the upper surface of the cement substrate, fully wetting the cement substrate, then respectively laying the samples of the first to fifth examples and the comparative example on the upper surface of the cement substrate, baking the upper surface of each sample by using an infrared physiotherapy lamp of Philips for 12h, and observing the temperature change and the appearance quality of the upper surface of the sample.
The results are shown in the following table:
| sample (I) | Before baking (. Degree.C.) | After baking (. Degree.C.) | Appearance quality |
| Example one | 25 | 28.5 | Surface smoothing |
| Example two | 25 | 28.2 | Surface smoothing |
| EXAMPLE III | 25 | 27.9 | Surface smoothing |
| Example four | 25 | 27.8 | Surface smoothing |
| EXAMPLE five | 25 | 28 | Surface smoothing |
| Comparative example 1 | 25 | 48 | Surface bulging and cracking |
| Comparative example No. two | 25 | 42 | Surface bulging and cracking |
| Comparative example No. three | 25 | 39 | Surface bulging and cracking |
| Comparative example No. four | 25 | 52 | Surface bulging and cracking |
According to the above table, the cement base material is wetted in advance, and then the samples of the embodiment and the comparative example are baked by using infrared rays, so that the temperature rise of the sample of the embodiment is about 3 ℃, the temperature rise of the surface of the sample of the embodiment is low, the accumulation of water vapor between the cement base material and the sample can be reduced, the phenomena of bulging and cracking on the surface of the motion surface layer can be prevented, and the surface flatness of the sample of the embodiment can be ensured; the temperature rise of the surface of the comparative sample is higher, so that the accumulation of water vapor between the cement base material and the sample is promoted, and the phenomena of bulging and cracking on the surface of the motion surface are easily caused.
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: equivalent changes made according to the structure, shape and principle of the invention shall be covered by the protection scope of the invention.
Claims (5)
1. The prefabricated EPDM sports surface layer is characterized by comprising the following components in parts by weight: 65-75 parts of EPDM granules, 10-20 parts of phenyl silicone rubber, 5-10 parts of EVA master batch, 30-35 parts of expanded perlite slurry, 5-10 parts of inorganic silicon gel, 10-15 parts of reinforcing material, 3-5 parts of hydroxyl silicone oil, 1-3 parts of composite cross-linking agent, 1-3 parts of anti-aging agent and 0.5-2 parts of deodorant;
the expanded perlite slurry is prepared by adopting the following method:
(1) Preparing materials: weighing 60 to 70 parts of expanded perlite, 5 to 10 parts of chopped carbon fiber, 5 to 10 parts of paraffin-calcium stearate and 20 to 30 parts of dearomatization solvent oil according to parts by weight;
(2) Dispersing the chopped carbon fibers in the dearomatization solvent oil, and stirring at the speed of 160 to 170r/min;
(3) Under the stirring condition, adding paraffin-calcium stearate and expanded perlite, and stirring uniformly to obtain expanded perlite slurry;
the reinforcing material is prepared by mixing blast furnace ash and calcined argil according to a weight ratio of 1;
the EVA master batch is prepared by the following method:
(1) Preparing materials: weighing 50 to 60 parts of EVA, 10 to 15 parts of zinc oxide, 3 to 5 parts of fatty alcohol-polyoxyethylene ether and 5 to 10 parts of rare earth isooctanoate according to parts by weight;
(2) Adding fatty alcohol-polyoxyethylene ether into EVA, and soaking for 1 to 1.5 hours;
(3) And continuously adding zinc oxide and rare earth isooctanoate, and extruding and granulating.
2. The preformed EPDM moving surface layer of claim 1, wherein: the phenyl silicone rubber contains 20 to 30 percent of phenyl.
3. The preformed EPDM running surface as set forth in claim 1, wherein: the viscosity of the expanded perlite slurry is 750 to 1000mpa · s.
4. The preformed EPDM moving surface layer of claim 1, wherein: the composite crosslinking agent is prepared by mixing dicumyl peroxide and sulfur according to a weight ratio of 1.
5. A forming process of the prefabricated EPDM sports surface layer as claimed in any one of claims 1 to 4, characterized by comprising the following steps:
(1) Preparing materials: weighing 65-75 parts of EPDM granules, 10-20 parts of phenyl silicone rubber, 5-10 parts of EVA master batch, 30-35 parts of expanded perlite slurry, 5-10 parts of inorganic silicon gel, 10-15 parts of reinforcing material, 3-5 parts of hydroxyl silicone oil, 1-3 parts of composite cross-linking agent, 1-3 parts of anti-aging agent and 0.5-2 parts of odor removing agent according to parts by weight;
(2) Heating EPDM granules, phenyl silicone rubber and EVA master batches at 135-150 ℃, and uniformly stirring to form a mixed main body;
(3) Raising the temperature to 150 to 160 ℃, adding hydroxyl silicone oil, expanded perlite slurry and inorganic silica gel into the mixed main body, and uniformly mixing;
(4) Continuously adding the reinforcing material, and uniformly mixing;
(5) Adding an anti-aging agent, a deodorant and a composite crosslinking agent, and uniformly mixing to obtain a preformed body;
(6) Extruding the preformed body into a sheet shape, wherein the temperature of a die head is 165-170 ℃, and rolling the preformed body into a moving surface layer through a double-roll calender;
(7) The mixture enters a hot air oven through a conveying line for vulcanization; vulcanizing in three sections, wherein the temperature of the first section is 195 to 205 ℃, and the vulcanization lasts for 10min; the temperature of the second section is 155 to 165 ℃, and the second section lasts for 10min; and the temperature of the third section is 145-155 ℃, the duration is 10min, and the moving surface layer coiled material is obtained after cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910786647.4A CN110527199B (en) | 2019-08-24 | 2019-08-24 | Prefabricated EPDM (ethylene-propylene-diene monomer) sports surface layer and forming process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910786647.4A CN110527199B (en) | 2019-08-24 | 2019-08-24 | Prefabricated EPDM (ethylene-propylene-diene monomer) sports surface layer and forming process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110527199A CN110527199A (en) | 2019-12-03 |
| CN110527199B true CN110527199B (en) | 2022-10-11 |
Family
ID=68662727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910786647.4A Active CN110527199B (en) | 2019-08-24 | 2019-08-24 | Prefabricated EPDM (ethylene-propylene-diene monomer) sports surface layer and forming process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110527199B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100203265A1 (en) * | 2009-02-09 | 2010-08-12 | Sapturf, Llc | Synthetic Turf Having Cooling Layer |
| CN104194045A (en) * | 2014-07-24 | 2014-12-10 | 北京化工大学 | Method for preparing polymer composite material by expanded perlite |
| CN106751013A (en) * | 2016-11-24 | 2017-05-31 | 连云港德翔新材料有限公司 | A kind of silicon rubber and ethylene propylene diene rubber and with Prefabricated runway coiled material and preparation method thereof |
| CN107129566B (en) * | 2017-03-28 | 2021-03-19 | 江苏耐斯坦建设有限公司 | Polyurethane court material and preparation method thereof |
| CN106977825B (en) * | 2017-04-28 | 2019-11-12 | 国网河南唐河县供电公司 | A kind of cold resistant cable material and preparation method thereof |
| CN108250524B (en) * | 2018-01-11 | 2020-05-29 | 湖南盛亚体育实业有限公司 | Environment-friendly rubber prefabricated runway coiled material and preparation method thereof |
| CN108623923A (en) * | 2018-04-24 | 2018-10-09 | 东莞市基核材有限公司 | The radiation resistance long-life is modified EP rubbers and its preparation process |
| CN108612209A (en) * | 2018-05-24 | 2018-10-02 | 谢思松 | Gel bead keeps the temperature plate exterior wall external heat preservation system |
| CN109400987A (en) * | 2018-10-31 | 2019-03-01 | 漯河市邦威橡胶有限公司 | A kind of ageing-resistant high-pressure hose internal layer rubber |
-
2019
- 2019-08-24 CN CN201910786647.4A patent/CN110527199B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110527199A (en) | 2019-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101619193B (en) | High-iron special flame-resistant polyurethane waterproof coating and preparation method thereof | |
| KR101097784B1 (en) | Structure for complex heat insulator waterproof and method using the same | |
| US7951417B1 (en) | Bio-based adhesive material for roof shingles | |
| WO2020063205A1 (en) | Light-weight high-strength high-toughness foamed ceramic decorative integrated board and preparation method therefor | |
| KR101416046B1 (en) | Cementitious Inorganic Insulations and fabrication Method thereof | |
| CN102977850A (en) | Bamboo charcoal composite fiber friction material and brake pad fabricated therefrom, and method for preparing same | |
| CN112080193A (en) | Water-based sound-insulation shock-absorption heat-insulation coating and preparation method thereof | |
| KR102282177B1 (en) | Complex waterproofing method having improved insulation and antibacterial properties | |
| CN111411795B (en) | Waterproof energy-saving integrated system for old roof reconstruction | |
| CN106010048A (en) | Heat-insulation waterproof building coating and preparation method thereof | |
| CN106832204B (en) | Modified polyurethane roof heat-insulating material and preparation method thereof | |
| CN111980311A (en) | Extruded sheet foam concrete waterproof and energy-saving integrated roof system for severe cold area and construction method thereof | |
| CN110527199B (en) | Prefabricated EPDM (ethylene-propylene-diene monomer) sports surface layer and forming process thereof | |
| CN108409149A (en) | Preparation method of high-strength foam glass | |
| CN101407703A (en) | Waterproof special effect for building | |
| CN103570300A (en) | Recycled concrete tile and preparation method thereof | |
| CN110835247A (en) | Emulsified asphalt and cement composite cementing material solidified sludge non-fired ceramsite | |
| CN108641383A (en) | A kind of heat-insulation and heat-preservation bituminized shingle and preparation method thereof | |
| CN105777047B (en) | A kind of inorganic fire light-weight aggregate expanded perlite thermal-nsulation plate and preparation method thereof | |
| CN107083824A (en) | A kind of construction method of waterproof and insulation integrated hybrid system | |
| CN110698799A (en) | Prefabricated elastic sheet and preparation method thereof | |
| CN1044614C (en) | Heat-insulating waterproof powder and productive method thereof | |
| CN106810205B (en) | High-strength water permeable brick and preparation method thereof | |
| CN113526939B (en) | Multifunctional building material and preparation method thereof | |
| CN108250779A (en) | A kind of sound-insulating waterproof roll and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |