CN117089193B - Semi-prefabricated elastic coiled material for sports ground and preparation method and application thereof - Google Patents
Semi-prefabricated elastic coiled material for sports ground and preparation method and application thereof Download PDFInfo
- Publication number
- CN117089193B CN117089193B CN202311171393.8A CN202311171393A CN117089193B CN 117089193 B CN117089193 B CN 117089193B CN 202311171393 A CN202311171393 A CN 202311171393A CN 117089193 B CN117089193 B CN 117089193B
- Authority
- CN
- China
- Prior art keywords
- parts
- semi
- polyethylene glycol
- sports
- prefabricated
- 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
- 239000000463 material Substances 0.000 title claims abstract description 113
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000002202 Polyethylene glycol Substances 0.000 claims abstract description 63
- 229920001223 polyethylene glycol Polymers 0.000 claims abstract description 63
- 125000001246 bromo group Chemical group Br* 0.000 claims abstract description 44
- 238000002156 mixing Methods 0.000 claims abstract description 33
- 229920001971 elastomer Polymers 0.000 claims abstract description 31
- 239000011521 glass Substances 0.000 claims abstract description 31
- 239000011324 bead Substances 0.000 claims abstract description 27
- 239000000945 filler Substances 0.000 claims abstract description 26
- 229920002338 polyhydroxyethylmethacrylate Polymers 0.000 claims abstract description 26
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 24
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 24
- 239000004014 plasticizer Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 17
- 239000002245 particle Substances 0.000 claims abstract description 17
- 229920000570 polyether Polymers 0.000 claims abstract description 17
- 229920005862 polyol Polymers 0.000 claims abstract description 17
- 150000003077 polyols Chemical class 0.000 claims abstract description 17
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 16
- 239000002250 absorbent Substances 0.000 claims abstract description 12
- 230000002745 absorbent Effects 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 10
- 125000005442 diisocyanate group Chemical group 0.000 claims abstract description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 77
- 239000000203 mixture Substances 0.000 claims description 38
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 claims description 28
- QOSSAOTZNIDXMA-UHFFFAOYSA-N Dicylcohexylcarbodiimide Chemical compound C1CCCCC1N=C=NC1CCCCC1 QOSSAOTZNIDXMA-UHFFFAOYSA-N 0.000 claims description 20
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 19
- MONMFXREYOKQTI-UHFFFAOYSA-N 2-bromopropanoic acid Chemical compound CC(Br)C(O)=O MONMFXREYOKQTI-UHFFFAOYSA-N 0.000 claims description 14
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical group [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 14
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 14
- 239000002994 raw material Substances 0.000 claims description 14
- 239000004568 cement Substances 0.000 claims description 9
- 239000000706 filtrate Substances 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical group CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 7
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- OEIWPNWSDYFMIL-UHFFFAOYSA-N dioctyl benzene-1,4-dicarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C=C1 OEIWPNWSDYFMIL-UHFFFAOYSA-N 0.000 claims description 7
- PEJVLWCOQVHCAF-UHFFFAOYSA-N dioctyl oxalate Chemical compound CCCCCCCCOC(=O)C(=O)OCCCCCCCC PEJVLWCOQVHCAF-UHFFFAOYSA-N 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 230000001376 precipitating effect Effects 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000004513 sizing Methods 0.000 claims description 7
- 239000002002 slurry Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 6
- 238000007790 scraping Methods 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000010426 asphalt Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000005554 pickling Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 abstract description 9
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052794 bromium Inorganic materials 0.000 abstract description 9
- 229920000642 polymer Polymers 0.000 abstract description 6
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical group CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000806 elastomer Substances 0.000 abstract description 4
- 125000004185 ester group Chemical group 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 13
- 229920002943 EPDM rubber Polymers 0.000 description 10
- 239000005058 Isophorone diisocyanate Substances 0.000 description 10
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 10
- 238000012360 testing method Methods 0.000 description 7
- 239000004005 microsphere Substances 0.000 description 4
- 244000025254 Cannabis sativa Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000000386 athletic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4063—Mixtures of compounds of group C08G18/62 with other macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/50—Polyethers having heteroatoms other than oxygen
- C08G18/5003—Polyethers having heteroatoms other than oxygen having halogens
- C08G18/5006—Polyethers having heteroatoms other than oxygen having halogens having chlorine and/or bromine atoms
- C08G18/5012—Polyethers having heteroatoms other than oxygen having halogens having chlorine and/or bromine atoms having bromine atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6216—Polymers of alpha-beta ethylenically unsaturated carboxylic acids or of derivatives thereof
- C08G18/622—Polymers of esters of alpha-beta ethylenically unsaturated carboxylic acids
- C08G18/6225—Polymers of esters of acrylic or methacrylic acid
- C08G18/6229—Polymers of hydroxy groups containing esters of acrylic or methacrylic acid with aliphatic polyalcohols
-
- 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
- C08L75/08—Polyurethanes from polyethers
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- Mining & Mineral Resources (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a semi-prefabricated elastic coiled material for sports fields, and belongs to the technical field of sports equipment. The material A is prepared by mixing and processing polyether polyol, azodiisobutyronitrile, polyethylene glycol containing a bromine group, polyhydroxyethyl methacrylate, hollow glass beads, a silane coupling agent KH-570, a plasticizer, an antioxidant, an ultraviolet absorbent, a filler and water, and the material B is prepared by mixing diisocyanate and rubber raw rubber particles, so that the problem of insufficient impact strength of a rubber coiled material is solved; in the invention, bromine of polyethylene glycol containing a bromine group and ester groups in the poly (hydroxyethyl methacrylate) form a bromine complex polymer, so that the rigidity and the strength of the material are improved to improve the cracking resistance of the material; the compatibility between the hollow glass beads and the elastomer is synergistically enhanced by the polyethylene glycol containing the bromine group and the polyhydroxyethyl methacrylate; the invention also provides a preparation method of the semi-prefabricated elastic coiled material for the sports ground, which has simple steps and is suitable for popularization and application.
Description
Technical Field
The invention belongs to the technical field of sports equipment, and particularly relates to a semi-prefabricated elastic coiled material for a sports field, and a preparation method and application thereof.
Background
With the development of sports and scientific technology, the requirements of people on athletic fields are increasing. Initially, the ground of the track and field sports ground is composed of rolled mud layers, the ground is slowly changed into a grass sports ground, and then the grass sports ground is developed into a mixed coal cinder, soil and lime sports ground, the first polyurethane runway with the length of 200 meters is paved by 3M company of Minnesota in the United states in 1961, and the polymer runs into the field of vision of people. With the current development of the richness of the sports demands of people, the demands of sports fields which are more suitable for various complex environments are generated.
The polyurethane material has excellent wear resistance and elasticity and good chemical stability, and is an ideal material for paving sports fields. The main component of the hollow glass microsphere is borosilicate, has a hollow thin-wall spherical structure, the granularity is generally between 10 and 250 mu m, the wall thickness is thinner, the thickness is about 1 to 2 mu m, and the density is 0.2 to 1g cm -3 In addition, the filler has a wide variety of excellent properties such as low density, high strength, heat insulation, fluidity and stability, and is widely used in various fields. However, the hollow glass beads are filled into the polymer matrix as the filler, and the polarity difference between the hollow glass beads and the polymer matrix is large, so that the compatibility problem exists, and the performance of the prepared material is obviously affected.
Disclosure of Invention
The invention provides a semi-prefabricated elastic coiled material, and belongs to the technical field of sports equipment. The material A is prepared by mixing and processing polyether polyol, azodiisobutyronitrile, polyethylene glycol containing a bromine group, polyhydroxyethyl methacrylate, hollow glass beads, a silane coupling agent KH-570, a plasticizer, an antioxidant, an ultraviolet absorbent, a filler and water, and the material B is prepared by mixing diisocyanate and rubber raw rubber particles, so that the problem of insufficient impact strength of a rubber playground coiled material is solved; in the invention, bromine of polyethylene glycol containing a bromine group and ester groups in the poly (hydroxyethyl methacrylate) form a bromine complex polymer, so that the rigidity and the strength of the material are improved to improve the cracking resistance of the material; the compatibility between the hollow glass beads and the elastomer is synergistically enhanced by the polyethylene glycol containing the bromine group and the polyhydroxyethyl methacrylate; the invention also provides a preparation method of the semi-prefabricated elastic coiled material for the sports ground, which has simple steps and is suitable for popularization and application.
The aim of the invention can be achieved by the following technical scheme:
a semi-prefabricated elastic coiled material for sports fields is formed by mixing materials A and B and then processing;
the material A comprises the following raw materials in parts by weight:
35-50 parts of polyether polyol, 3-5 parts of azodiisobutyronitrile, 30-40 parts of polyethylene glycol containing a bromine group, 30-50 parts of polyhydroxyethyl methacrylate, 5-20 parts of hollow glass beads, 3-3.5 parts of silane coupling agent KH-5703, 3-5 parts of plasticizer, 0.1-0.3 part of antioxidant, 0.01-0.1 part of ultraviolet absorber, 60-120 parts of filler and 0.5-1 part of water;
the material B comprises the following raw materials in parts by weight:
16-20 parts of diisocyanate and 6-10 parts of rubber raw rubber particles.
As a preferred embodiment of the present invention, the polyethylene glycol containing a bromine group is prepared by:
stirring polyethylene glycol, 4-dimethylaminopyridine, 2-bromopropionic acid and methylene dichloride at a temperature of between-2 and 1 ℃ for 10 to 15 minutes to dissolve the polyethylene glycol, dissolving dicyclohexylcarbodiimide in the methylene dichloride, adding the methylene dichloride into the mixture to prepare a mixture B, reacting for 20 to 24 hours at a temperature of between 0 and 2 ℃, filtering under reduced pressure, precipitating filtrate by using glacial ethyl ether, centrifuging and drying the filtrate, and thus obtaining the polyethylene glycol containing the bromo group.
As a preferred embodiment of the invention, the mixture A and dicyclohexylcarbodiimide are dissolved in polyethylene glycol in methylene chloride, 4-dimethylaminopyridine, 2-bromopropionic acid, methylene chloride, and the dosage ratio of dicyclohexylcarbodiimide to methylene chloride is 28-30g:0.1-0.15g:9.5-9.8g:100mL:14.5-15g:70-80mL.
As a preferable scheme of the invention, the plasticizer is a mixture of dioctyl terephthalate and dioctyl oxalate in a mass ratio of 20-25:1.
As a preferable scheme of the invention, the antioxidant is antioxidant 1010.
As a preferable mode of the invention, the ultraviolet absorber is an ultraviolet absorber UV-531.
As a preferred embodiment of the present invention, the filler is calcium carbonate.
The preparation method of the semi-prefabricated elastic coiled material for the sports field comprises the following operations:
uniformly mixing polyether polyol, azodiisobutyronitrile, polyethylene glycol containing a bromine group, polyhydroxyethyl methacrylate, hollow glass beads, a silane coupling agent KH-570, a plasticizer, an antioxidant, an ultraviolet absorbent, a filler and water to prepare a material A; uniformly mixing diisocyanate and rubber raw rubber particles to prepare a material B;
mixing the material A and the material B, and uniformly stirring to obtain a prefabricated slurry;
and (3) adding the prefabricated sizing agent into a mould, curing for 30-45min at 68-72 ℃, and opening the mould and rolling to obtain the semi-prefabricated elastic coiled material for the sports ground.
The application of the semi-prefabricated elastic coiled material for sports fields in sports field construction comprises the following operations:
paving an asphalt-cement base layer, sealing the asphalt hole of the asphalt-cement base layer, leveling cement, cutting an expansion joint, and pickling;
scraping and coating a bonding layer with the thickness of 0.8-1.2mm to complement the expansion joint, wherein the bonding layer is double-component polyurethane;
paving semi-prefabricated elastic coiled materials for sports fields, and repairing seams of the semi-prefabricated elastic coiled materials for sports fields;
scraping an elastic layer, polishing the elastic layer, and supplementing water;
spraying and scribing to finish the construction of the sports ground.
The invention has the beneficial effects that:
1. the invention provides a semi-prefabricated elastic coiled material, which is prepared by mixing and processing a material A prepared from polyether polyol, azodiisobutyronitrile, polyethylene glycol containing a bromine group, polyhydroxyethyl methacrylate, hollow glass beads, a silane coupling agent KH-570, a plasticizer, an antioxidant, an ultraviolet absorbent, a filler and water with a material B prepared from diisocyanate and rubber raw rubber particles, and the problem of insufficient impact strength of the rubber coiled material is solved.
2. In the invention, bromine of polyethylene glycol containing a bromine group and ester groups in the poly (hydroxyethyl methacrylate) form a bromine complex polymer, and the bromine complex can improve the crack resistance of the material by increasing the rigidity and strength of the material, so that the material is more suitable for complex sports ground use scenes.
3. In the invention, hydroxyl groups, ethoxy groups in polyethylene glycol containing bromine groups and methyl and carbonyl groups in polyhydroxyethyl methacrylate can generate physical and chemical adsorption effects with the surfaces of the hollow glass beads, so that the compatibility between the hollow glass beads and the elastomer is synergistically enhanced, the impact strength of coiled materials is greatly increased by introducing the hollow glass beads, and the method is suitable for the requirements of sports fields.
4. The invention also provides a preparation method of the semi-prefabricated elastic coiled material for the sports ground, which has simple steps and is suitable for popularization and application.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
A semi-prefabricated elastic coiled material for sports fields is formed by mixing materials A and B and then processing;
the material A comprises the following raw materials in parts by weight:
35 parts of polyether polyol, 3 parts of azodiisobutyronitrile, 30 parts of polyethylene glycol containing a bromo group, 30 parts of polyhydroxyethyl methacrylate, 5 parts of hollow glass beads, 3 parts of a silane coupling agent KH-5703, 0.1 part of an antioxidant, 0.01 part of an ultraviolet absorber, 60 parts of a filler and 0.5 part of water;
the material B comprises the following raw materials in parts by weight:
16 parts of isophorone diisocyanate and 6 parts of EPDM raw rubber particles.
Wherein the polyethylene glycol containing the bromine group is prepared by the following operation:
dissolving polyethylene glycol, 4-dimethylaminopyridine, 2-bromopropionic acid and methylene dichloride at the temperature of minus 2 ℃ for 10min to prepare a mixture A, dissolving dicyclohexylcarbodiimide in the methylene dichloride, adding the mixture into the mixture to prepare a mixture B, reacting for 20h at the temperature of 0 ℃, decompressing and filtering, precipitating the filtrate by using glacial ethyl ether, and centrifugally drying to prepare the polyethylene glycol containing the bromo group.
Wherein the mixture A and dicyclohexylcarbodiimide are dissolved in polyethylene glycol, 4-dimethylaminopyridine, 2-bromopropionic acid, dichloromethane and the dosage ratio of dicyclohexylcarbodiimide to dichloromethane is 28g:0.1g:9.5g:100mL:14.5g:70mL.
Wherein the plasticizer is a mixture of dioctyl terephthalate and dioctyl oxalate according to the mass ratio of 20:1.
Wherein the antioxidant is antioxidant 1010.
Wherein the ultraviolet absorber is an ultraviolet absorber UV-531.
Wherein the filler is calcium carbonate.
The semi-preformed elastic coiled material for sports fields is prepared by the following operations:
uniformly mixing polyether polyol, azodiisobutyronitrile, polyethylene glycol containing a bromine group, polyhydroxyethyl methacrylate, hollow glass beads, a silane coupling agent KH-570, a plasticizer, an antioxidant, an ultraviolet absorbent, a filler and water to prepare a material A; uniformly mixing isophorone diisocyanate and EPDM raw rubber particles to prepare a material B;
mixing the material A and the material B, and uniformly stirring to obtain a prefabricated slurry;
and (3) adding the prefabricated sizing agent into a mould, curing for 30min at 68 ℃, and opening the mould and rolling to obtain the semi-prefabricated elastic coiled material for the sports field.
Example 2
A semi-prefabricated elastic coiled material for sports fields is formed by mixing materials A and B and then processing;
the material A comprises the following raw materials in parts by weight:
40 parts of polyether polyol, 3.5 parts of azodiisobutyronitrile, 32 parts of polyethylene glycol containing a bromo group, 35 parts of polyhydroxyethyl methacrylate, 8 parts of hollow glass beads, 3.5 parts of a plasticizer, 0.15 part of an antioxidant, 0.03 part of an ultraviolet absorbent, 75 parts of a filler and 0.6 part of water;
the material B comprises the following raw materials in parts by weight:
17 parts of isophorone diisocyanate and 7 parts of EPDM raw rubber particles.
Wherein the polyethylene glycol containing the bromine group is prepared by the following operation:
dissolving polyethylene glycol, 4-dimethylaminopyridine, 2-bromopropionic acid and methylene dichloride at the temperature of minus 1 ℃ for 11min to prepare a mixture A, dissolving dicyclohexylcarbodiimide in the methylene dichloride, adding the mixture into the mixture to prepare a mixture B, reacting for 21h at the temperature of 0.5 ℃, decompressing and filtering, precipitating the filtrate by using glacial ethyl ether, and centrifugally drying to prepare the polyethylene glycol containing the bromo group.
Wherein the mixture A and dicyclohexylcarbodiimide are dissolved in polyethylene glycol, 4-dimethylaminopyridine, 2-bromopropionic acid, dichloromethane and the dosage ratio of dicyclohexylcarbodiimide to dichloromethane is 28.5g:0.11g:9.58g:100mL:14.6g:72mL.
Wherein the plasticizer is a mixture of dioctyl terephthalate and dioctyl oxalate in a mass ratio of 21:1.
Wherein the antioxidant is antioxidant 1010.
Wherein the ultraviolet absorber is an ultraviolet absorber UV-531.
Wherein the filler is calcium carbonate.
The semi-preformed elastic coiled material for sports fields is prepared by the following operations:
uniformly mixing polyether polyol, azodiisobutyronitrile, polyethylene glycol containing a bromine group, polyhydroxyethyl methacrylate, hollow glass beads, a silane coupling agent KH-570, a plasticizer, an antioxidant, an ultraviolet absorbent, a filler and water to prepare a material A; uniformly mixing isophorone diisocyanate and EPDM raw rubber particles to prepare a material B;
mixing the material A and the material B, and uniformly stirring to obtain a prefabricated slurry;
and (3) adding the prefabricated sizing agent into a mould, curing for 34min at 69 ℃, and opening the mould and rolling to obtain the semi-prefabricated elastic coiled material for the sports field.
Example 3
A semi-prefabricated elastic coiled material for sports fields is formed by mixing materials A and B and then processing;
the material A comprises the following raw materials in parts by weight:
42 parts of polyether polyol, 4 parts of azodiisobutyronitrile, 35 parts of polyethylene glycol containing a bromo group, 40 parts of polyhydroxyethyl methacrylate, 12 parts of hollow glass beads, 4 parts of a silane coupling agent KH-5703.2, 0.2 part of an antioxidant, 0.05 part of an ultraviolet absorber, 90 parts of a filler and 0.7 part of water;
the material B comprises the following raw materials in parts by weight:
18 parts of isophorone diisocyanate and 8 parts of EPDM raw rubber particles.
Wherein the polyethylene glycol containing the bromine group is prepared by the following operation:
dissolving polyethylene glycol, 4-dimethylaminopyridine, 2-bromopropionic acid and methylene dichloride at the temperature of minus 1 ℃ for 13min to prepare a mixture A, dissolving dicyclohexylcarbodiimide in the methylene dichloride, adding the mixture into the mixture to prepare a mixture B, reacting for 22h at the temperature of 1 ℃, decompressing and filtering, precipitating the filtrate by using glacial ethyl ether, and centrifugally drying to prepare the polyethylene glycol containing the bromo group.
Wherein the mixture A and dicyclohexylcarbodiimide are dissolved in polyethylene glycol, 4-dimethylaminopyridine, 2-bromopropionic acid, dichloromethane and the dosage ratio of dicyclohexylcarbodiimide to dichloromethane is 29g:0.13g:9.65g:100mL:14.8g:75mL.
Wherein the plasticizer is a mixture of dioctyl terephthalate and dioctyl oxalate according to the mass ratio of 23:1.
Wherein the antioxidant is antioxidant 1010.
Wherein the ultraviolet absorber is an ultraviolet absorber UV-531.
Wherein the filler is calcium carbonate.
The semi-preformed elastic coiled material for sports fields is prepared by the following operations:
uniformly mixing polyether polyol, azodiisobutyronitrile, polyethylene glycol containing a bromine group, polyhydroxyethyl methacrylate, hollow glass beads, a silane coupling agent KH-570, a plasticizer, an antioxidant, an ultraviolet absorbent, a filler and water to prepare a material A; uniformly mixing isophorone diisocyanate and EPDM raw rubber particles to prepare a material B;
mixing the material A and the material B, and uniformly stirring to obtain a prefabricated slurry;
and (3) adding the prefabricated sizing agent into a mould, curing at 70 ℃ for 38min, and opening the mould and rolling to obtain the semi-prefabricated elastic coiled material for the sports field.
Example 4
A semi-prefabricated elastic coiled material for sports fields is formed by mixing materials A and B and then processing;
the material A comprises the following raw materials in parts by weight:
46 parts of polyether polyol, 4.5 parts of azodiisobutyronitrile, 38 parts of polyethylene glycol containing a bromine group, 45 parts of polyhydroxyethyl methacrylate, 16 parts of hollow glass beads, 4.5 parts of a silane coupling agent KH-5703.4, 0.25 part of an antioxidant, 0.08 part of an ultraviolet absorbent, 105 parts of a filler and 0.9 part of water;
the material B comprises the following raw materials in parts by weight:
19 parts of isophorone diisocyanate and 9 parts of EPDM raw rubber particles.
Wherein the polyethylene glycol containing the bromine group is prepared by the following operation:
dissolving polyethylene glycol, 4-dimethylaminopyridine, 2-bromopropionic acid and methylene dichloride at 0 ℃ for 14min to prepare a mixture A, dissolving dicyclohexylcarbodiimide in the methylene dichloride, adding the mixture to prepare a mixture B, reacting for 23h at 1.5 ℃, filtering under reduced pressure, precipitating the filtrate with glacial ethyl ether, and centrifugally drying to prepare the polyethylene glycol containing the bromo group.
Wherein the mixture A and dicyclohexylcarbodiimide are dissolved in polyethylene glycol, 4-dimethylaminopyridine, 2-bromopropionic acid, dichloromethane and the dosage ratio of dicyclohexylcarbodiimide to dichloromethane is 29.5g:0.14g:9.72g:100mL:14.9g:78mL.
Wherein the plasticizer is a mixture of dioctyl terephthalate and dioctyl oxalate in a mass ratio of 24:1.
Wherein the antioxidant is antioxidant 1010.
Wherein the ultraviolet absorber is an ultraviolet absorber UV-531.
Wherein the filler is calcium carbonate.
The semi-preformed elastic coiled material for sports fields is prepared by the following operations:
uniformly mixing polyether polyol, azodiisobutyronitrile, polyethylene glycol containing a bromine group, polyhydroxyethyl methacrylate, hollow glass beads, a silane coupling agent KH-570, a plasticizer, an antioxidant, an ultraviolet absorbent, a filler and water to prepare a material A; uniformly mixing isophorone diisocyanate and EPDM raw rubber particles to prepare a material B;
mixing the material A and the material B, and uniformly stirring to obtain a prefabricated slurry;
and (3) adding the prefabricated sizing agent into a mould, curing at 71 ℃ for 42min, and opening the mould and rolling to obtain the semi-prefabricated elastic coiled material for the sports field.
Example 5
A semi-prefabricated elastic coiled material for sports fields is formed by mixing materials A and B and then processing;
the material A comprises the following raw materials in parts by weight:
50 parts of polyether polyol, 5 parts of azodiisobutyronitrile, 40 parts of polyethylene glycol containing a bromo group, 50 parts of polyhydroxyethyl methacrylate, 20 parts of hollow glass microspheres, 5 parts of a silane coupling agent KH-5703.5, 0.3 part of an antioxidant, 0.1 part of an ultraviolet absorber, 120 parts of a filler and 1 part of water;
the material B comprises the following raw materials in parts by weight:
20 parts of isophorone diisocyanate and 10 parts of EPDM raw rubber particles.
Wherein the polyethylene glycol containing the bromine group is prepared by the following operation:
dissolving polyethylene glycol, 4-dimethylaminopyridine, 2-bromopropionic acid and methylene dichloride at 1 ℃ for 15min to prepare a mixture A, dissolving dicyclohexylcarbodiimide in the methylene dichloride, adding the mixture to prepare a mixture B, reacting at 2 ℃ for 24h, filtering under reduced pressure, precipitating the filtrate with glacial ethyl ether, and centrifugally drying to prepare the polyethylene glycol containing the bromo group.
Wherein the mixture A and dicyclohexylcarbodiimide are dissolved in polyethylene glycol, 4-dimethylaminopyridine, 2-bromopropionic acid, dichloromethane and the dosage ratio of dicyclohexylcarbodiimide to dichloromethane is 30g:0.15g:9.8g:100mL:15g:80mL.
Wherein the plasticizer is a mixture of dioctyl terephthalate and dioctyl oxalate according to the mass ratio of 25:1.
Wherein the antioxidant is antioxidant 1010.
Wherein the ultraviolet absorber is an ultraviolet absorber UV-531.
Wherein the filler is calcium carbonate.
The semi-preformed elastic coiled material for sports fields is prepared by the following operations:
uniformly mixing polyether polyol, azodiisobutyronitrile, polyethylene glycol containing a bromine group, polyhydroxyethyl methacrylate, hollow glass beads, a silane coupling agent KH-570, a plasticizer, an antioxidant, an ultraviolet absorbent, a filler and water to prepare a material A; uniformly mixing isophorone diisocyanate and EPDM raw rubber particles to prepare a material B;
mixing the material A and the material B, and uniformly stirring to obtain a prefabricated slurry;
and (3) adding the prefabricated sizing agent into a mould, curing for 45min at 72 ℃, and opening the mould and rolling to obtain the semi-prefabricated elastic coiled material for the sports field.
Example 6
Use of the semi-preformed elastic coiled material for sports fields prepared in example 5 in sports field construction, comprising the following operations:
(1) Paving an asphalt-cement base layer, sealing the asphalt hole of the asphalt-cement base layer, leveling cement, cutting an expansion joint, and pickling;
(2) Scraping and coating a 1mm bonding layer to complement the expansion joint, wherein the bonding layer is double-component polyurethane;
(3) Paving semi-prefabricated elastic coiled materials for sports fields, and repairing seams of the semi-prefabricated elastic coiled materials for sports fields;
(4) Scraping an elastic layer, polishing the elastic layer, and supplementing water;
(5) Spraying and scribing to finish the construction of the sports ground.
Comparative example 1
A semi-preformed elastic web for sports fields was prepared by substituting polyethylene glycol for the polyethylene glycol containing a bromine group as in example 5, and the remainder were the same as in example 5.
Comparative example 2
A semi-preformed elastic web for sports fields, which is prepared by substituting polyethylene glycol containing a bromine group for polyhydroxyethyl methacrylate as in example 5, and the rest is the same as in example 5.
Comparative example 3
A semi-preformed elastic coiled material for sports fields, which is prepared by substituting polyethylene glycol methacrylate for hollow glass microspheres in comparison with example 5, and the rest is the same as in example 5.
Comparative example 4
A semi-preformed elastic coiled material for sports fields, which is prepared by substituting hollow glass microspheres for polyethylene glycol containing bromine groups in comparison with example 5, and the rest is the same as example 5.
The semi-preformed elastic rolls for sports fields prepared in examples 1 to 5 and comparative examples 1 to 4 were subjected to the following test:
test example 1 tensile Strength test
The drawing speed was 50mm/min by using type 1A samples as specified in GB/T1040.1-2006, and the results are shown in Table 1.
Test example 2 impact resistance test
The test was carried out according to GB 36246-2018 with a drop weight of 20kg and a drop height of 55m, and the results are shown in Table 1.
TABLE 1
| Test group | Tensile Strength/MPa | Impact absorption/% | Vertical deformation/mm |
| Example 1 | 4.37 | 47 | 2.1 |
| Example 2 | 4.56 | 49 | 2.0 |
| Example 3 | 4.61 | 50 | 1.9 |
| Example 4 | 4.75 | 51 | 1.7 |
| Example 5 | 4.82 | 48 | 1.8 |
| Comparative example 1 | 3.69 | 41 | 2.0 |
| Comparative example2 | 3.57 | 39 | 2.3 |
| Comparative example 3 | 4.25 | 36 | 1.9 |
| Comparative example 4 | 3.34 | 40 | 2.2 |
As can be seen from table 1, the semi-preformed elastic rolls for sports fields prepared in examples 1 to 5 provided by the present invention have good tensile strength, impact absorption and vertical deformation; in comparative example 1, polyethylene glycol was used instead of polyethylene glycol containing a bromine group, and the tensile strength and impact strength were significantly reduced as compared with example 5 in which no bromine complex was formed; in comparative example 2, polyethylene glycol containing a bromine group is used for replacing polyhydroxyethyl methacrylate, and on the basis that a bromine complex is not generated, the compatibility between an elastomer and hollow glass beads is reduced due to the lack of methyl and carbonyl groups, and the impact strength is reduced; in comparative example 3, the hollow glass beads are replaced by the polyhydroxy ethyl methacrylate, no hollow glass beads are added, the impact performance of the coiled material is obviously reduced, and the tensile strength and the vertical deformation are not greatly changed; in comparative example 4, the hollow glass beads were used instead of polyethylene glycol containing a bromine group, and the presence of polyethylene glycol containing no bromine group reduced the tensile strength and impact strength of the coil.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative and explanatory of the invention, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (8)
1. The semi-prefabricated elastic coiled material for the sports ground is characterized in that the elastic coiled material is formed by mixing A material and B material and then processing;
the material A comprises the following raw materials in parts by weight:
35-50 parts of polyether polyol, 3-5 parts of azodiisobutyronitrile, 30-40 parts of polyethylene glycol containing a bromine group, 30-50 parts of polyhydroxyethyl methacrylate, 5-20 parts of hollow glass beads, 3-3.5 parts of silane coupling agent KH-570, 3-5 parts of plasticizer, 0.1-0.3 part of antioxidant, 0.01-0.1 part of ultraviolet absorber, 60-120 parts of filler and 0.5-1 part of water;
the material B comprises the following raw materials in parts by weight:
16-20 parts of diisocyanate and 6-10 parts of rubber raw rubber particles;
the polyethylene glycol containing the bromine group is prepared by the following operation:
stirring polyethylene glycol, 4-dimethylaminopyridine, 2-bromopropionic acid and methylene dichloride at the temperature of between-2 and 1 ℃ for 10 to 15 minutes to dissolve the polyethylene glycol, dissolving dicyclohexylcarbodiimide in the methylene dichloride, adding the methylene dichloride into the mixture A to prepare a mixture B, reacting for 20 to 24 hours at the temperature of between 0 and 2 ℃, filtering under reduced pressure, precipitating filtrate by using glacial ethyl ether, centrifuging and drying the filtrate, and thus obtaining the polyethylene glycol containing the bromo group.
2. Semi-preformed elastic web for sports fields according to claim 1, characterized in that in the preparation of mixture a, the ratio of polyethylene glycol, 4-dimethylaminopyridine, 2-bromopropionic acid, dichloromethane is 28-30g:0.1-0.15g:9.5-9.8g:100ml; in the preparation of the mixture B, the dosage ratio of the dicyclohexylcarbodiimide to the dichloromethane in the mixture A is 14.5-15g:70-80mL:100mL.
3. A semi-preformed elastic web for sports fields according to claim 1, characterized in that said plasticizer is a mixture of dioctyl terephthalate and dioctyl oxalate in a mass ratio of 20-25:1.
4. A semi-preformed elastic web for sports fields according to claim 1, wherein said antioxidant is antioxidant 1010.
5. A semi-preformed elastic web for sports fields according to claim 1, characterized in that said ultraviolet absorber is ultraviolet absorber UV-531.
6. A semi-preformed elastic web for sports fields according to claim 1, wherein said filler is calcium carbonate.
7. A method of producing a semi-preformed elastic web for sports fields according to any one of claims 1 to 6, characterized in that it comprises the following operations:
uniformly mixing polyether polyol, azodiisobutyronitrile, polyethylene glycol containing a bromine group, polyhydroxyethyl methacrylate, hollow glass beads, a silane coupling agent KH-570, a plasticizer, an antioxidant, an ultraviolet absorbent, a filler and water to prepare a material A; uniformly mixing diisocyanate and rubber raw rubber particles to prepare a material B;
mixing the material A and the material B, and uniformly stirring to obtain a prefabricated slurry;
and (3) adding the prefabricated sizing agent into a mould, curing for 30-45min at 68-72 ℃, and opening the mould and rolling to obtain the semi-prefabricated elastic coiled material for the sports ground.
8. Use of a semi-preformed elastic web for sports fields according to any of claims 1-6 in sports field construction, characterized in that said use comprises the following operations:
paving an asphalt-cement base layer, sealing the asphalt hole of the asphalt-cement base layer, leveling cement, cutting an expansion joint, and pickling;
scraping and coating a bonding layer with the thickness of 0.8-1.2mm to complement the expansion joint, wherein the bonding layer is double-component polyurethane;
paving semi-prefabricated elastic coiled materials for sports fields, and repairing seams of the semi-prefabricated elastic coiled materials for sports fields;
scraping an elastic layer, polishing the elastic layer, and supplementing water;
spraying and scribing to finish the construction of the sports ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311171393.8A CN117089193B (en) | 2023-09-12 | 2023-09-12 | Semi-prefabricated elastic coiled material for sports ground and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311171393.8A CN117089193B (en) | 2023-09-12 | 2023-09-12 | Semi-prefabricated elastic coiled material for sports ground and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117089193A CN117089193A (en) | 2023-11-21 |
| CN117089193B true CN117089193B (en) | 2024-01-09 |
Family
ID=88779323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311171393.8A Active CN117089193B (en) | 2023-09-12 | 2023-09-12 | Semi-prefabricated elastic coiled material for sports ground and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117089193B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE658026A (en) * | 1964-01-10 | 1965-04-30 | ||
| CA718062A (en) * | 1965-09-14 | H. Saunders James | Polyurethane plastics | |
| JPH0820624A (en) * | 1994-07-11 | 1996-01-23 | Achilles Corp | Production of open-cell foam expanded with water |
| CN104650709A (en) * | 2015-03-11 | 2015-05-27 | 江苏欣安新材料技术有限公司 | Two-component polyurethane ultra-thin steel structure fireproof coating and preparation technology thereof |
| CN111138840A (en) * | 2019-12-24 | 2020-05-12 | 安徽验讯网络科技有限公司 | Professional basketball court material with double-layer composite upper hard and lower bounce |
| CN111943601A (en) * | 2020-08-19 | 2020-11-17 | 瑞洲建设集团有限公司 | Building engineering external wall heat insulation material and preparation method thereof |
| WO2021077233A1 (en) * | 2019-10-24 | 2021-04-29 | Universal Matter Inc. | Methods and compositions for producing graphene polyurethane foams |
| CN113527997A (en) * | 2021-07-19 | 2021-10-22 | 景肖波 | Single-component asphalt polyurethane waterproof coating compatible with asphalt-based waterproof coiled material and preparation method thereof |
-
2023
- 2023-09-12 CN CN202311171393.8A patent/CN117089193B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA718062A (en) * | 1965-09-14 | H. Saunders James | Polyurethane plastics | |
| BE658026A (en) * | 1964-01-10 | 1965-04-30 | ||
| JPH0820624A (en) * | 1994-07-11 | 1996-01-23 | Achilles Corp | Production of open-cell foam expanded with water |
| CN104650709A (en) * | 2015-03-11 | 2015-05-27 | 江苏欣安新材料技术有限公司 | Two-component polyurethane ultra-thin steel structure fireproof coating and preparation technology thereof |
| WO2021077233A1 (en) * | 2019-10-24 | 2021-04-29 | Universal Matter Inc. | Methods and compositions for producing graphene polyurethane foams |
| CN111138840A (en) * | 2019-12-24 | 2020-05-12 | 安徽验讯网络科技有限公司 | Professional basketball court material with double-layer composite upper hard and lower bounce |
| CN111943601A (en) * | 2020-08-19 | 2020-11-17 | 瑞洲建设集团有限公司 | Building engineering external wall heat insulation material and preparation method thereof |
| CN113527997A (en) * | 2021-07-19 | 2021-10-22 | 景肖波 | Single-component asphalt polyurethane waterproof coating compatible with asphalt-based waterproof coiled material and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| Preparation and Properties of Polyurethane Hydrogels Based on Hexamethylene Diisocyanate/Polycaprolactone-Polyethylene Glycol;Zhou P 等;《Journal of Macromolecular Science Part B》;第57卷(第3期);187-195 * |
| 阻燃型聚氨酯材料的制备;高丽君 等;《工程塑料应用》;第46卷(第1期);106-109 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117089193A (en) | 2023-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114835439B (en) | Epoxy asphalt steel slag concrete ultrathin wearing layer and preparation method thereof | |
| CN117089193B (en) | Semi-prefabricated elastic coiled material for sports ground and preparation method and application thereof | |
| CN112537932A (en) | Novel pervious concrete and construction method thereof | |
| CN115139625B (en) | Weather-resistant exposed modified asphalt waterproof coiled material and preparation method thereof | |
| CN113603821A (en) | Acrylic emulsion for weather-resistant cross-linked soft porcelain and preparation method thereof | |
| CN112521867B (en) | Low-modulus high-elasticity two-component silane modified polyether sealant and preparation method thereof | |
| CN112341832B (en) | Freeze-thaw abrasion resistant pavement repair material and production process and application thereof | |
| CN116768569B (en) | Method for preparing concrete square pile by utilizing nickel slag and fly ash to be mixed | |
| CN108148534B (en) | Double-component silane modified sealant for industrial buildings | |
| CN114410214B (en) | High-water-resistance polyurethane waterproof coating and preparation method thereof | |
| CN114292577B (en) | Carbon dioxide bio-based interior wall coating and preparation method thereof | |
| CN115466504A (en) | Polyurethane for filling concrete expansion joint of hydraulic structure and preparation method thereof | |
| CN109913092B (en) | Double liquid crystal structure toughened epoxy resin waterproof coating and preparation method thereof | |
| CN112646295A (en) | Plastic track and preparation method thereof | |
| CN111363501A (en) | Water-based environment-friendly sealant and production process thereof | |
| CN110776730A (en) | Synthetic formula and construction method of environment-friendly plastic track | |
| CN112430031B (en) | Bridge deck waterproof material and preparation method thereof | |
| CN110527199B (en) | Prefabricated EPDM (ethylene-propylene-diene monomer) sports surface layer and forming process thereof | |
| CN114958133B (en) | Bio-based modified low-temperature-resistant quick-setting asphalt emulsion coating and preparation method thereof | |
| CN110982462A (en) | Preparation method of sealant with good extensibility | |
| CN116178814B (en) | Environment-friendly plastic runway and preparation method thereof | |
| CN115075087B (en) | Prefabricated TPU plastic course, preparation method and construction method | |
| CN117819879B (en) | Low-temperature environment-friendly full-heat-braised steel slag aggregate asphalt mixture and preparation method thereof | |
| CN116284643B (en) | All-weather asphalt pavement crack repairing agent and preparation method thereof | |
| CN114395320B (en) | Chemical anti-sagging exposed single-component polyurethane waterproof coating 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 | ||
| CP03 | Change of name, title or address |
Address after: Room 901, 9th Floor, Building 7, High tech Industrial Innovation Park, No. 19 Ketai Second Road, Guangzhou Private Science and Technology Park, Baiyun District, Guangzhou City, Guangdong Province, 510000 Patentee after: Guangdong Leading New Materials Technology Co.,Ltd. Country or region after: China Address before: Room 407, 4th floor, building 5, Greenland Huichuang Plaza, No.2 Kexing Road, Guangzhou private science and Technology Park, 1633 Beitai Road, Baiyun District, Guangzhou, Guangdong 510000 Patentee before: Guangdong Leading New Materials Technology Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |