CN104910694A - Single-component water-curable polyurethane surface spraying color paste as well as preparation method and application method thereof - Google Patents
Single-component water-curable polyurethane surface spraying color paste as well as preparation method and application method thereof Download PDFInfo
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- CN104910694A CN104910694A CN201510368634.7A CN201510368634A CN104910694A CN 104910694 A CN104910694 A CN 104910694A CN 201510368634 A CN201510368634 A CN 201510368634A CN 104910694 A CN104910694 A CN 104910694A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D17/00—Pigment pastes, e.g. for mixing in paints
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- 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
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- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention relates to a single-component water-curable polyurethane surface spraying color paste as well as a preparation method and an application method thereof. The single-component water-curable polyurethane surface spraying color paste is prepared from the following raw materials in percentage by weight: 10-35% of polyether polyol, 5-10% of chain extender, 15-45% of isocyanate, 15-35% of filler, 4-8% of colorant, 2-5% of color paste dispersant, 10-30% of plasticizer, 1-5% of anti-setting agent, 1-5% of emulsifier, 1-3% of antioxidant, 1-3% of light stabilizer, 0.01-0.05% of polymerization inhibitor and 0.03-0.06% of catalyst. The single-component water-curable polyurethane surface spraying color paste is good in mechanical properties and convenient for construction, and further is higher in mechanical properties, longer in service life and more convenient for construction; and besides, the color paste is longer in operation time and short in overall curing time. The color paste is environment-friendly, and does not cause damage to the human body health and the environment. Furthermore, the color paste is good in weather resistance and ageing resistance, uniform and lasting in color and luster, and not prone to fading.
Description
Technical field
The present invention relates to a kind of single-component water cure urethane face color spray slurry, preparation method and using method thereof.
Background technology
Traditional plastic cement race track surface layer mill base is roughly divided into Types Below: surface particles encapsulate spray-type plastic cement race track, domestic spreading type PU plastic cement race track, low cost air-permeable plastic cement race track.
Surface particles encapsulate spray-type plastic cement race track, production technique is roughly: mill base component and the performed polymer component of producing casting type polyurethane elastomer in advance, in proportion by two component mixing, and add the waste and used rubber tyre micelle of low cost, pave after mixing on bituminous concrete basis, uniformly spray at it urethanes slurry that one deck is mixed with anti-slip rubber particle after curing molding, allow its spontaneous curing shape.Finally draw various markings on request thereon, just become complete non-granule plastic rubber runway.The production technique of this product and the difference of domestic currently available products production technique are the process of last surface layer antiskid particles.
Domestic spreading type PU plastic cement race track, production technique is: before the solidification of bottom urethanes slurry, sprinkle one deck rubber antiskid particle, allow it be partially submerged in bottom urethanes.Owing to cleaning the fracture of antiskid particles in thorough and life-time service process, cause plastic cement race track surface may have a small amount of travelling antiskid particles all the time.
Low cost air-permeable plastic cement race track, its structure and production technique are roughly: bottom is that polyurethane binder bonds one deck pavement material of more waste and used rubber tyre micelle, surface layer is two component polyurethane latices or the sprinkling aesthetic layer being wrapped with antiskid particles, or be embedded with the anti-skidding aesthetic layer of antiskid particles, or there is the anti-skidding aesthetic layer of certain thickness requirement gluing get on (material can be urethanes, also can be the rubber clone of other advantage of lower cost) by prefabricated profiled.
The hardness height of plastic cement race track, can affect athletic sports achievement and athletic health.Plastic cement race track hardness is high, is conducive to playing athletic explosive power, improves sports achievement, but moves on the runway that high rigidity, elasticity are little for a long time, has injury to athletes ' body; Plastic cement race track hardness is low, is conducive to cushioning elliptical gear power, and Protection of the sportsman health preserves from, but is unfavorable for improving sports achievement.
Summary of the invention
The object of this invention is to provide a kind of single-component water cure urethane face color spray slurry, preparation method and using method thereof, there is the plastic cement race track surface layer mill base of high strength, high rigidity, high durable, with soft, snappiness type plastic cement race track bottom matched combined, the new type plastic runway of hard lower bullet in formation, is conducive to playing athletic explosive power, improving sports achievement.
A kind of single-component water cure urethane face of the present invention color spray slurry, in weight fraction, raw material is composed as follows:
Described polyether glycol is molecular weight 4000-8000, hydroxyl value 20-50mgKOH/g, is low-unsaturated polyether polyatomic alcohol.Polyether glycol is 330NG.
Described chainextender is one or both in Diethylene Glycol or BDO.
Described filler is one or both in coarse whiting, talcum powder, kaolin; Softening agent is one or both in dioctyl phthalate (DOP) (DOP) or epoxy soybean oil.
Described emulsifying agent be in sorbester p18, sorbester p17, OP-10 one or both; Anti-settling agent is one or both in white carbon black, organic bentonite.
Described tinting material is bright red mill base; Oxidation inhibitor be in 2,6 di tert butyl 4 methyl phenol or thiodiphenylamine one or both; Photostabilizer is one or both in ESCALOL 567 or 2,2'-dihydroxyl-4-methoxy benzophenone; Mill base dispersion agent is one or both in hyper-dispersant BNK-NSF3000 or BYK-9076.Hyper-dispersant BNK-NSF3000, manufacturer is long brightness chemical industry (China) company limited; BYK-9076 manufacturer is Bi Ke chemistry.
One or both in 4, the 4-diphenylmethanediisocyanates that described isocyanic ester is or 2,4-diphenylmethanediisocyanate.The manufacturer of 4,4-diphenylmethanediisocyanate or 2,4-diphenylmethanediisocyanate is ten thousand China's chemistry.
Isocyanic ester preferred MDI-50, MDI, MDI-50, MDI manufacturer is Wanhua Chemical Group Co., Ltd..
Described stopper is one or both in turps, kautschin.
Described catalyzer is CUBD-NL.CUBD-NL manufacturer is Guangdong You Run synthetic materials company limited.
The preparation method of single-component water cure urethane face color spray slurry:
By polyether glycol, softening agent, filler adds reactor at normal temperatures, stir at rising to 80 DEG C-100 DEG C, vacuumize, vacuum tightness is greater than-0.09MPa, dewater degassed 1-2 hour, moisture reaches below 0.03wt%, be cooled to less than 85 DEG C and add tinting material, mill base dispersion agent, anti-settling agent, oxidation inhibitor, photostabilizer stirs after 20-30 minute, grind, after grinding, material is squeezed into reactor, be cooled to 10-40 DEG C, add isocyanic ester and react 1-1.2 hour under 75-90 DEG C of condition in a kettle., add chainextender, after continuing reaction 1-1.2, after mensuration NCO% content reaches set(ting)value, be cooled to less than 65 DEG C, add stopper, emulsifying agent, catalyzer, barrelling after stirring 20-30min.
The whole process reaction still of preparation needs to use nitrogen-sealed.
During use, directly add 1-10% water, appropriate rubber powder, can at runway cover spraying application after stirring evenly.
During construction, only need add water and rubber powder, stir evenly rear employing spraying machine and be sprayed onto runway cover.
The present invention is applicable to plastic cement race track surface layer.
Compared with prior art, the present invention has following beneficial effect:
A kind of single-component water cure urethane face of the present invention color spray slurry, preparation method and using method thereof, 1. good, the easy construction of mechanical property.Compared with starching with single-component water-based color spray, have higher mechanical property, working life is longer, compared with starching, constructs convenient with polyurethane bicomponent face color spray; Operable time is longer, and the integrally curing time is short.2. environmental protection, material does not add any poisonous, harmful, the volatile matter of use in production and use procedure, can not bring destruction to HUMAN HEALTH and environment.3. weathering resistance, ageing-resistant performance are good, and color and luster is homogeneous, lastingly, and a not fugitive color!
Place properties prepared by plastic cement race track face of the present invention color spray slurry and technique and GB are to such as table 1.
Place properties prepared by table 1 plastic cement race track face of the present invention color spray slurry and technique and GB contrast
| Project | GB (infiltration type) | GB (non-infiltration type) | Above-mentioned materials |
| Shock absorption/100% | 35-50 | 35-50 | 45 |
| Vertical deformation | 0.6-2.5 | 0.6-2.5 | 2.1 |
| Tensile strength (MPa) | ≥0.4 | ≥0.5 | 3 |
| Antiskid value (BPN, 20 DEG C) | ≥47 | ≥47 | 60 |
| Tensile yield/% | ≥40 | ≥40 | 280 |
| Fire-retardant/level | Ⅰ | Ⅰ | Ⅰ |
Embodiment
Below in conjunction with embodiment, the present invention will be further described, but do not limit embodiments of the invention.
Following examples Zhong Ge composition weight unit is g.
Embodiment 1
The preparation method of single-component water cure urethane face color spray slurry:
By polyether glycol 330NG:80g, plasticizer DOP: 80g, 1250 order coarse whiting: 100g, reactor is added under normal temperature, stir at rising to 100 DEG C, vacuumize, vacuum tightness is-0.095MPa, dewater degassed 2 hours, moisture reaches 0.03wt%, be cooled to 85 DEG C and add bright red mill base: 24g, mill base dispersant B NK-NSF3000:16g, anti-settling agent white carbon black: 12g, oxidation inhibitor 2, 6-di-tert-butyl-4-methy phenol: 8g, photostabilizer ESCALOL 567: 8g, stir 25 minutes, grind, after grinding, material is squeezed into reactor, be cooled to 45 DEG C, add MDI-50:120g reaction 1 hour under 85 DEG C of conditions in a kettle., add stopper kautschin: 0.03g, small molecular alcohol 1, 4-butyleneglycol: 20g, continue reaction after 1 hour, measuring NCO% content is 4.15, qualified, be cooled to 65 DEG C, add stopper kautschin 0.08g, emulsifier op-10: 12g, catalyzer CUBD-NL0.16g, barrelling after stirring 25min, whole process reaction still needs to use nitrogen-sealed.
During use, directly add 8% water, 5% rubber powder, can at runway cover spraying application after stirring evenly.
Embodiment 2
The preparation method of single-component water cure urethane face color spray slurry:
By polyether glycol 330NG:67g, plasticizer DOP: 67g, 1250 order coarse whiting: 100g, reactor is added under normal temperature, stir at rising to 100 DEG C, vacuumize, vacuum tightness is-0.095MPa, dewater degassed 2 hours, moisture reaches 0.025wt%, be cooled to less than 85 DEG C and add bright red mill base: 26g, mill base dispersant B NK-NSF300:13g, anti-settling agent white carbon black: 6g, oxidation inhibitor 2, 6-di-tert-butyl-4-methy phenol: 6g, photostabilizer ESCALOL 567: 7g, stir after 20 minutes, grind, after grinding, material is squeezed into reactor, be cooled to 45 DEG C, add pure MDI:99g, react 1 hour under 85 DEG C of conditions in a kettle., add stopper turps: 0.05g, Diethylene Glycol: 33g, continue reaction after 1 hour, measuring NCO% content is 1.3, qualified, be cooled to 65 DEG C, add stopper turps 0.2g, emulsifier span-60:7g, catalyzer CUBD-NL0.15g, barrelling after stirring 30min, whole process reaction still needs to use nitrogen-sealed.
During use, directly add 1% water, 5% rubber powder, can at runway cover spraying application after stirring evenly.
Embodiment 3
The preparation method of single-component water cure urethane face color spray slurry:
By polyether glycol 330NG:78g, plasticizer DOP: 66, 1250 order coarse whiting: 78g, reactor is added under normal temperature, stir at rising to 100 DEG C, vacuumize, vacuum tightness is-0.095MPa, dewater degassed 2 hours, moisture reaches 0.03wt%, be cooled to 85 DEG C and add bright red mill base: 17.6g, mill base dispersant B YK-9076:11g, anti-settling agent organic bentonite: 11g, oxidation inhibitor thiodiphenylamine: 6.6g, photostabilizer 2, 2'-dihydroxyl-4-methoxy benzophenone: 6.6g, stir after 20 minutes, grind, after grinding, material is squeezed into reactor, be cooled to 45 DEG C, add MDI-50:45g reaction 1 hour under 85 DEG C of conditions in a kettle., add stopper turps: 0.05g, small molecular alcohol 1, 4-butyleneglycol: 20g, continue reaction 1 hour, measuring NCO% content is 2.56, qualified, be cooled to 65 DEG C, add stopper kautschin 0.2g, emulsifier span-80:11g, catalyzer CUBD-NL0.15g, barrelling after stirring 25min, whole process reaction still needs to use nitrogen-sealed.
During use, directly add 10% water, 3% rubber powder, can at runway cover spraying application after stirring evenly.
Embodiment 4
The preparation method of single-component water cure urethane face color spray slurry:
By the polyether glycol 330NG:88g based on formula ratio, softening agent epoxy soybean oil: 75g, 1250 order kaolin: 88g, reactor is added under normal temperature, stir at rising to 100 DEG C, vacuumize, vacuum tightness is-0.095MPa, dewater degassed 2 hours, moisture reaches 0.03wt%, be cooled to less than 85 DEG C and add bright red mill base: 10g, mill base dispersant B YK-9076:5g, anti-settling agent organic bentonite: 5g, oxidation inhibitor thiodiphenylamine: 5g, photostabilizer 2, 2'-dihydroxyl-4-methoxy benzophenone: 5g, stir after 20 minutes, grind, after grinding, material is squeezed into reactor, be cooled to 45 DEG C, add MDI-50:75g, react 1 hour under 85 DEG C of conditions in a kettle., add stopper turps: 0.05g, small molecular alcohol 1, 4-butyleneglycol: 12g, continue reaction after 1 hour, measuring NCO% content is 3.05, qualified, be cooled to 65 DEG C, add stopper turps 0.2g, emulsifier op-10: 12g, catalyzer CUBD-NL0.15g, barrelling after stirring 20-30min, whole process reaction still needs to use nitrogen-sealed.
During use, directly add 5% water, 4% rubber powder, can at runway cover spraying application after stirring evenly.
The properties of embodiment 1-4 test result is as table 2.
The properties of table 2 embodiment 1-4 test result
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Shock absorption/100% | 40 | 37 | 45 | 35 |
| Vertical deformation | 1.9 | 1.0 | 1.5 | 1.7 |
| Tensile strength (MPa) | 3.1 | 2.6 | 2.9 | 3.0 |
| Antiskid value (BPN, 20 DEG C) | 50 | 50 | 50 | 50 |
| Tensile yield/% | 320 | 260 | 280 | 310 |
| Fire-retardant/level | Ⅰ | Ⅰ | Ⅰ | Ⅰ |
A kind of single-component water cure urethane face of the present invention color spray slurry, can meet the requirement of runway cover property indices completely.
Claims (10)
1. a single-component water cure urethane face color spray slurry, it is characterized in that, in weight fraction, raw material is composed as follows:
2. a kind of single-component water cure urethane face according to claim 1 color spray slurry, it is characterized in that, described polyether glycol is molecular weight 4000-8000, hydroxyl value 20-50mgKOH/g.
3. a kind of single-component water cure urethane face according to claim 1 color spray slurry, is characterized in that, described chainextender is one or both in Diethylene Glycol or BDO.
4. a kind of single-component water cure urethane face according to claim 1 color spray slurry, is characterized in that, described filler is one or both in coarse whiting, talcum powder or kaolin; Softening agent is one or both in dioctyl phthalate (DOP) or epoxy soybean oil.
5. a kind of single-component water cure urethane face according to claim 1 color spray slurry, it is characterized in that, described emulsifying agent be in sorbester p18, sorbester p17 or OP-10 one or both; Anti-settling agent is one or both in white carbon black or organic bentonite.
6. a kind of single-component water cure urethane face according to claim 1 color spray slurry, it is characterized in that, described tinting material is bright red mill base; Oxidation inhibitor be in 2,6 di tert butyl 4 methyl phenol or thiodiphenylamine one or both; Photostabilizer is one or both in ESCALOL 567 or 2,2'-dihydroxyl-4-methoxy benzophenone; Mill base dispersion agent is one or both in hyper-dispersant BNK-NSF3000 or BYK-9076.
7. a kind of single-component water cure urethane face according to claim 1 color spray slurry, is characterized in that, described isocyanic ester is one or both in 4,4-diphenylmethanediisocyanate or 2,4-diphenylmethanediisocyanate.
8. a kind of single-component water cure urethane face according to claim 1 color spray slurry, is characterized in that, described stopper is one or both in turps, kautschin; Described catalyzer is CUBD-NL.
9. the preparation method of the arbitrary described a kind of single-component water cure urethane face color spray slurry of claim 1-8, it is characterized in that, by polyether glycol, softening agent, filler adds reactor at normal temperatures, stir at rising to 80 DEG C-100 DEG C, vacuumize, vacuum tightness is greater than-0.09MPa, dewater degassed 1-2 hour, moisture reaches below 0.03wt%, be cooled to less than 85 DEG C and add tinting material, mill base dispersion agent, anti-settling agent, oxidation inhibitor, photostabilizer stirs after 20-30 minute, grind, after grinding, material is squeezed into reactor, be cooled to 10-40 DEG C, add isocyanic ester and react 1-1.2 hour under 75-90 DEG C of condition in a kettle., add chainextender, after continuing reaction 1-1.2, after mensuration NCO% content reaches set(ting)value, be cooled to less than 65 DEG C, add stopper, emulsifying agent, catalyzer, barrelling after stirring 20-30min.
10., according to the using method of the arbitrary described a kind of single-component water cure urethane face color spray slurry of claim 1-8, it is characterized in that, during use, directly add 1-10% water, 3-5% rubber powder, can at runway cover spraying application after stirring evenly.
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Cited By (8)
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|---|---|---|---|---|
| CN106349456A (en) * | 2016-08-31 | 2017-01-25 | 湖南盛亚体育实业有限公司 | Environment-friendly plastic runway material and preparation method thereof |
| CN106634535A (en) * | 2017-01-11 | 2017-05-10 | 重庆方地新材料有限公司 | Surface material for track spraying and preparation method of surface material |
| CN106700888A (en) * | 2017-01-11 | 2017-05-24 | 重庆方地新材料有限公司 | Surface layer material for track spraying and preparation method of surface layer material |
| CN106833489A (en) * | 2015-12-04 | 2017-06-13 | 中国人民解放军军械工程学院 | A kind of double-component silicane-modified polyurethane fluid sealant |
| CN107163218A (en) * | 2017-05-02 | 2017-09-15 | 中山市东凤镇远洋体育塑胶材料厂 | A kind of Precasting synthetic surface track and its manufacture method |
| CN107189410A (en) * | 2017-05-26 | 2017-09-22 | 江苏康体新材料有限公司 | A kind of aqueous solvent-free low-gravity plastic materials of KPU and its preparation method |
| CN109021194A (en) * | 2018-07-05 | 2018-12-18 | 山东诺威聚氨酯股份有限公司 | Plastic cement is from micro- bag material of skinning and preparation method thereof |
| CN109868109A (en) * | 2019-03-22 | 2019-06-11 | 甘肃斯波特体育设备设施有限公司 | A kind of aqueous silicon PU glue and its production method suitable for paving sports field |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833489A (en) * | 2015-12-04 | 2017-06-13 | 中国人民解放军军械工程学院 | A kind of double-component silicane-modified polyurethane fluid sealant |
| CN106349456A (en) * | 2016-08-31 | 2017-01-25 | 湖南盛亚体育实业有限公司 | Environment-friendly plastic runway material and preparation method thereof |
| CN106634535A (en) * | 2017-01-11 | 2017-05-10 | 重庆方地新材料有限公司 | Surface material for track spraying and preparation method of surface material |
| CN106700888A (en) * | 2017-01-11 | 2017-05-24 | 重庆方地新材料有限公司 | Surface layer material for track spraying and preparation method of surface layer material |
| CN106700888B (en) * | 2017-01-11 | 2019-08-16 | 重庆方地新材料有限公司 | The surface material and preparation method thereof of runway spraying |
| CN106634535B (en) * | 2017-01-11 | 2019-08-16 | 重庆方地新材料有限公司 | A kind of surface material and preparation method thereof of runway spraying |
| CN107163218A (en) * | 2017-05-02 | 2017-09-15 | 中山市东凤镇远洋体育塑胶材料厂 | A kind of Precasting synthetic surface track and its manufacture method |
| CN107189410A (en) * | 2017-05-26 | 2017-09-22 | 江苏康体新材料有限公司 | A kind of aqueous solvent-free low-gravity plastic materials of KPU and its preparation method |
| CN109021194A (en) * | 2018-07-05 | 2018-12-18 | 山东诺威聚氨酯股份有限公司 | Plastic cement is from micro- bag material of skinning and preparation method thereof |
| CN109868109A (en) * | 2019-03-22 | 2019-06-11 | 甘肃斯波特体育设备设施有限公司 | A kind of aqueous silicon PU glue and its production method suitable for paving sports field |
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