CN106046899B - Graphene powder-based road reflective coating and preparation method thereof - Google Patents
Graphene powder-based road reflective coating and preparation method thereof Download PDFInfo
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- CN106046899B CN106046899B CN201610519214.9A CN201610519214A CN106046899B CN 106046899 B CN106046899 B CN 106046899B CN 201610519214 A CN201610519214 A CN 201610519214A CN 106046899 B CN106046899 B CN 106046899B
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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
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/004—Reflecting paints; Signal paints
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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Abstract
The invention provides a graphene powder-based road reflective coating and a preparation method thereof. The light-reflecting coating for the road comprises, by mass, 60-80 parts of epoxy resin, 20-30 parts of acrylic resin, 15-25 parts of maleic anhydride, 10-20 parts of isopropyl acetate, 2-10 parts of polypropylene fiber, 2-5 parts of an anti-ultraviolet agent, 8-16 parts of titanium dioxide, 5-15 parts of nano silicon dioxide, 15-25 parts of light-reflecting powder, 20-40 parts of filler and 0.2-1.5 parts of graphene powder. The graphene powder-based road reflective coating disclosed by the invention has good wear resistance and weather resistance, the service life is prolonged, and the coating has an environment-friendly property.
Description
Technical Field
The invention relates to the field of road reflective coatings, in particular to a road reflective coating based on graphene powder and a preparation method thereof.
Background
In recent years, the road construction business of China is rapidly developed, roads and expressways are increased year by year, the number of urban roads is increased day by day, and the problem of strengthening road management is highlighted. Spraying road markings is a powerful means for managing, controlling and regulating traffic flow in an enhanced manner. The general marking paint currently used in China has the following defects: one is that the coating is thin and has poor wear resistance, and the service life is generally only 3-4 months; the other is thicker coating, although the service life is prolonged, the construction can be carried out only by preheating and melting, the construction is complicated, and the cost is increased.
Chinese patent publication No. 103694819A discloses a road marking paint, which comprises the following components by weight: 20-30 parts of acrylic resin, 1-3 parts of PE resin, 10-20 parts of calcium carbonate, 5-15 parts of kaolin, 5-10 parts of bentonite, 15-25 parts of industrial ethanol, 5-15 parts of titanium dioxide, 5-15 parts of glass beads, 1-2 parts of phenoxyethanol, 0.5-1.5 parts of diisooctyl phthalate, 2-5 parts of toluene, 1-3 parts of xylene and 5-10 parts of epoxy resin. The wear resistance, weather resistance and acid and alkali resistance of the road marking paint are improved to a certain extent, but the components of the road marking paint contain toxic raw materials such as toluene, xylene and the like, so that the road marking paint pollutes the environment and is harmful to human health, and the wear resistance and the weather resistance of the road marking paint are still required to be further improved.
Disclosure of Invention
In view of the above, the invention provides a graphene powder-based light reflecting paint for a road, which solves the problems of wear resistance, weather resistance and environmental pollution of the light reflecting paint for the road.
In order to achieve the purpose, the invention adopts the following technical scheme:
a road reflective coating based on graphene powder comprises the following components in parts by mass:
the epoxy resin of the present invention may be 60 parts, 65 parts, 70 parts, 75 parts, 80 parts, or the like; the acrylic resin can be 20 parts, 22 parts, 25 parts, 28 parts or 30 parts and the like; the maleic anhydride can be 15 parts, 18 parts, 20 parts, 22 parts, 25 parts, etc.; the isopropyl acetate can be 10 parts, 12 parts, 15 parts, 18 parts or 20 parts and the like; the polypropylene fiber can be 2 parts, 5 parts, 8 parts or 10 parts; the ultraviolet resistant agent can be 2 parts, 3 parts, 4 parts or 5 parts; the titanium dioxide can be 8 parts, 10 parts, 12 parts, 14 parts or 16 parts and the like; the nano silicon dioxide can be 5 parts, 8 parts, 10 parts, 12 parts or 15 parts; the reflecting powder can be 15 parts, 18 parts, 20 parts, 22 parts or 25 parts; the filler may be 20 parts, 25 parts, 30 parts, 35 parts, 40 parts, or the like; the graphene powder may be 0.2 parts, 0.5 parts, 0.8 parts, 1 part, 1.2 parts, 1.5 parts, or the like.
Graphene is the thinnest material and the toughest material, and the breaking strength is 200 times higher than that of the best steel. Meanwhile, the material has good elasticity, the stretching amplitude can reach 20 percent of the size of the material, and the material is the thinnest material with the highest strength in the natural world at present. The epoxy resin, the acrylic resin and the maleic anhydride in the components have good compatibility, and the epoxy resin, the acrylic resin and the maleic anhydride are combined with the nano-silica and the acrylic fiber, so that the crosslinking degree and the bonding property with a road of the coating can be greatly improved, the strength of the coating is enhanced, the wear resistance of the coating is improved, and meanwhile, the mechanical property and the wear resistance of the coating can be further improved by adding the graphene powder.
The coating comprises the following components in parts by mass:
wherein the diameter of the polypropylene fiber is 2-15 μm, preferably 6-10 μm.
The polypropylene fiber has excellent properties of strong strength, good elasticity, wear resistance, corrosion resistance and the like, has good compatibility with other components, and plays a synergistic role, so that the coating has good anti-cracking and wear-resisting properties.
Wherein the ultraviolet inhibitor is one or a mixture of at least two of phenyl ortho-hydroxybenzoate, 2, 4-dihydroxybenzophenone, 2- (2 ' -hydroxy-3 ', 5 ' -di-tert-phenyl) -5-chlorobenzotriazole, resorcinol monobenzoate, tris (1,2,2,6, 6-pentamethylpiperidinyl) phosphite or hexamethylphosphoric triamide.
The anti-ultraviolet agent has the following properties: 1. can absorb ultraviolet rays, especially the wavelength is 290-400 nm; 2. the thermal stability is good, the change caused by heat can not occur even in the processing, and the thermal volatility is small; 3. the chemical stability is good, and adverse reaction with material components in the product is avoided; 3. the miscibility is good, and the water-soluble paint can be uniformly dispersed in materials, does not bloom and does not exude; 5. the absorbent has good photochemical stability, and is not decomposed or discolored. The ultraviolet resistant agent can improve the thermal oxidation stability and the ageing resistance of the product.
Wherein, the reflective powder is glass beads. The glass beads have the advantages of light weight, low heat conduction, higher strength, good chemical stability and the like, the surfaces of the glass beads are subjected to special treatment to have oleophilic and hydrophobic properties, the glass beads are very easy to disperse in an organic material system, and the glass beads can play a good role in reflecting light.
Wherein, the filler is selected from one or a mixture of at least two of kaolin, talcum powder, barium sulfate, titanium dioxide or calcium titanate, and preferably the talcum powder and/or the calcium titanate.
The invention also provides a preparation method of the graphene powder-based road reflective coating, which solves the problems of complex operation and complex process.
The preparation method of the road reflective coating comprises the following steps:
(1) adding epoxy resin, acrylic resin, maleic anhydride, isopropyl acetate and an anti-ultraviolet agent into the reaction kettle according to the mass parts, and heating and stirring to obtain a mixture;
(2) and adding titanium dioxide, nano silicon dioxide, reflective powder and graphene powder into the mixture, stirring for the first time, adding filler, and stirring for the second time to obtain the graphene powder-based road reflective coating.
Wherein the heating temperature in the step (1) is 50-80 ℃, preferably 60-70 ℃, and the stirring time is 10-60 min, preferably 30-40 min.
Wherein, the first stirring time in the step (2) is 20-50 min, preferably 25-30 min.
Wherein, the second stirring time in the step (2) is 10-30 min, preferably 15-20 min.
Compared with the prior art, the invention has the following beneficial effects: the epoxy resin, the acrylic resin and the maleic anhydride in the components have good compatibility, and the epoxy resin, the acrylic resin and the maleic anhydride are combined with the nano-silica and the acrylic fiber, so that the crosslinking degree and the bonding property with a road of the coating can be greatly improved, the strength of the coating is enhanced, the wear resistance of the coating is improved, and meanwhile, the mechanical property and the wear resistance of the coating can be further improved by adding the graphene powder.
Detailed Description
The technical solution of the present invention is further illustrated by the following examples.
Example 1: the graphene powder-based road reflective coating comprises the following components in parts by mass:
the preparation method of the graphene powder-based road reflective coating comprises the following steps:
adding epoxy resin, acrylic resin, maleic anhydride, isopropyl acetate and an anti-ultraviolet agent into the reaction kettle according to the mass parts, heating to 55 ℃, and stirring for 20min to obtain a mixture;
and adding titanium dioxide, nano silicon dioxide, reflective powder and graphene powder into the mixture, stirring for the first time for 20min, adding filler, and stirring for the second time for 10min to obtain the graphene powder-based road reflective coating.
Example 2: the graphene powder-based road reflective coating comprises the following components in parts by mass:
the preparation method of the graphene powder-based road reflective coating in this embodiment is the same as that in embodiment 1.
Example 3: the graphene powder-based road reflective coating comprises the following components in parts by mass:
the preparation method of the graphene powder-based road reflective coating in this embodiment is the same as that in embodiment 1.
Comparative example 1: the reflective coating for the comparative road comprises the following components in parts by mass:
the preparation method of the light reflecting paint for the road of the embodiment is the same as that of the embodiment 1.
Comparative example 2: the reflective coating for the comparative road comprises the following components in parts by mass:
the preparation method of the light reflecting paint for the road of the embodiment is the same as that of the embodiment 1.
The reflective coatings for roads prepared in examples 1-3 and comparative examples 1-2 were subjected to performance tests, wherein the abrasion resistance was measured by weight reduction under the condition of 200r/1000g, the alkali resistance was measured by soaking in a saturated calcium hydroxide solution for 24 hours, and the ultraviolet resistance was measured by continuous irradiation for 100 hours, and the results are shown in the following table:
the test result shows that the added graphene powder has obvious enhancement effect on the wear resistance and the adhesive force of the road reflective coating; the added maleic anhydride is mixed and crosslinked with the epoxy resin and the acrylic resin, so that the compressive strength and the binding power of the road reflective coating can be improved; the content of each component is further optimized, and the performance of each component is promoted to a certain extent.
The epoxy resin, the acrylic resin and the maleic anhydride in the components have good compatibility, the epoxy resin, the acrylic resin and the maleic anhydride are combined with the nano silicon dioxide and the acrylic fiber, so that the crosslinking degree and the bonding property with a road of the coating can be greatly improved, the strength of the coating is enhanced, the wear resistance of the coating is improved, and the mechanical property and the wear resistance of the coating can be further improved by adding the graphene powder.
The applicant states that the present invention is described in detail by the above embodiments, but the present invention is not limited to the above detailed structural features and construction methods, that is, the present invention is not limited to the above detailed structural features and construction methods. It should be understood by those skilled in the art that any modifications of the present invention, equivalent substitutions of selected components of the present invention, additions of auxiliary components, selection of specific modes, etc., are within the scope and disclosure of the present invention.
Claims (15)
1. The graphene powder-based road reflective coating is characterized by comprising the following components in parts by mass:
the filler is selected from one or a mixture of at least two of kaolin, talcum powder, barium sulfate, titanium dioxide or calcium titanate.
2. The road reflecting paint as claimed in claim 1, which comprises the following components in parts by mass:
3. the light-reflecting paint for roads as claimed in claim 1, wherein the diameter of the polypropylene fiber is 2-15 μm.
4. The light-reflecting paint for roads of claim 3, wherein the diameter of the polypropylene fiber is 6-10 μm.
5. The retroreflective road coating of claim 1 wherein the anti-UV agent is selected from the group consisting of phenyl ortho-hydroxybenzoate, 2, 4-dihydroxybenzophenone, 2- (2 ' -hydroxy-3 ', 5 ' -di-tert-phenyl) -5-chlorobenzotriazole, resorcinol monobenzoate, tris (1,2,2,6, 6-pentamethylpiperidinyl) phosphite, hexamethylphosphoric triamide, and mixtures of at least two thereof.
6. The light-reflecting road paint as claimed in claim 1, wherein the light-reflecting powder is glass beads.
7. The pavement reflecting paint according to claim 1, wherein the filler is selected from talc and/or calcium titanate.
8. The preparation method of the road reflecting paint as claimed in any one of claims 1 to 7, which comprises the following steps:
(1) adding epoxy resin, acrylic resin, maleic anhydride, isopropyl acetate and an anti-ultraviolet agent into a reaction kettle according to the mass parts, and heating and stirring to obtain a mixture;
(2) and adding titanium dioxide, nano silicon dioxide, reflective powder and graphene powder into the mixture, stirring for the first time, adding filler, and stirring for the second time to obtain the graphene powder-based road reflective coating.
9. The preparation method according to claim 8, wherein the heating temperature in the step (1) is 50 to 80 ℃ and the stirring time is 10 to 60 min.
10. The method according to claim 9, wherein the heating temperature in the step (1) is 60 to 70 ℃.
11. The preparation method according to claim 9, wherein the stirring time in the step (1) is 30 to 40 min.
12. The preparation method according to claim 8, wherein the first stirring time in the step (2) is 20-50 min.
13. The preparation method according to claim 12, wherein the first stirring time in the step (2) is 25 to 30 min.
14. The preparation method according to claim 8, wherein the second stirring time in the step (2) is 10-30 min.
15. The preparation method according to claim 14, wherein the second stirring time in the step (2) is 15-20 min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610519214.9A CN106046899B (en) | 2016-07-01 | 2016-07-01 | Graphene powder-based road reflective coating and preparation method thereof |
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| CN201610519214.9A CN106046899B (en) | 2016-07-01 | 2016-07-01 | Graphene powder-based road reflective coating and preparation method thereof |
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| CN106046899B true CN106046899B (en) | 2021-04-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107777189A (en) * | 2017-11-17 | 2018-03-09 | 珠海万博科学服务有限公司 | A kind of reflecting coating for environmental protection equipment top layer |
| CN110157370B (en) * | 2019-05-14 | 2021-08-06 | 永隆高新科技(青岛)有限公司 | Reaction type polyurethane hot melt adhesive for edge sealing |
| CN112831210A (en) * | 2020-12-31 | 2021-05-25 | 江苏极信环保科技有限公司 | Flame-retardant acrylic resin coating capable of slowly releasing negative oxygen ions and preparation method thereof |
| CN113387702A (en) * | 2021-06-23 | 2021-09-14 | 浙江原邦材料科技有限公司 | High-thermal-conductivity graphene composite heat dissipation film and preparation method thereof |
| CN114106653A (en) * | 2021-10-31 | 2022-03-01 | 广州盛门新材料科技有限公司 | Powder coating and preparation method and application thereof |
| CN116082901A (en) * | 2022-10-27 | 2023-05-09 | 陕西世纪交通工程股份有限公司 | Environment-friendly water-based acrylic resin reflective coating and preparation method thereof |
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| CN103666143A (en) * | 2012-09-25 | 2014-03-26 | 江苏无锡交通设施有限公司 | Anticracking water-based reflective road marking paint |
| CN104387908A (en) * | 2014-07-28 | 2015-03-04 | 常州光辉化工有限公司 | Graphene anti-static floor coating and preparation method thereof |
| CN104927730A (en) * | 2015-04-30 | 2015-09-23 | 宁波墨西科技有限公司 | Graphene composite bonding material applied to pavements, graphene composite pavement and preparation method therefor |
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| CN1566238A (en) * | 2003-06-30 | 2005-01-19 | 张贵洲 | Thermoplastic fast-dry traffic paint |
| CN1923929A (en) * | 2005-11-02 | 2007-03-07 | 中科纳米涂料技术(苏州)有限公司 | Nano composite hot melt type gage mark coating and preparation method thereof |
| CN103666143A (en) * | 2012-09-25 | 2014-03-26 | 江苏无锡交通设施有限公司 | Anticracking water-based reflective road marking paint |
| CN104387908A (en) * | 2014-07-28 | 2015-03-04 | 常州光辉化工有限公司 | Graphene anti-static floor coating and preparation method thereof |
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