CN114213888A - Marking paint - Google Patents
Marking paint Download PDFInfo
- Publication number
- CN114213888A CN114213888A CN202210000832.8A CN202210000832A CN114213888A CN 114213888 A CN114213888 A CN 114213888A CN 202210000832 A CN202210000832 A CN 202210000832A CN 114213888 A CN114213888 A CN 114213888A
- Authority
- CN
- China
- Prior art keywords
- parts
- methyl methacrylate
- coating
- reticle
- prepared
- 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.)
- Pending
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Classifications
-
- 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
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
- C09D163/10—Epoxy resins modified by unsaturated compounds
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to the field of road traffic, in particular to a marking paint which is prepared from the following raw materials in parts by weight: 420 parts of methyl methacrylate, 150 parts of titanium dioxide, 450 parts of heavy calcium powder, 5 parts of diisopropanol p-toluidine, 1.2 parts of an anti-settling agent, 1.5 parts of a dispersing agent and 2 parts of an initiator. The marking paint can effectively improve the drying time, shorten the time required by road closure, and play a vital role in reducing blockage and ensuring smoothness; in addition, the marking paint contains fine powder, coarse powder and a powdery auxiliary agent, so that the paint composition has the beneficial effects of high hot melting speed, high drying speed, wear resistance and crack resistance.
Description
Technical Field
The invention relates to the field of road traffic, in particular to a marking paint.
Background
The road marking has an important function for guiding traffic, road traffic marking lines such as boundary lines of road surfaces of city roads, country roads, airports, expressways and the like, pedestrian crossing lines, safety lines and the like are important marks for guiding traffic, guiding vehicle operation and pedestrian safety, and the road marking is subjected to sun and rain, wind, snow and ice and is subjected to impact abrasion of vehicles, so that strict requirements are imposed on the performance of the road marking. The road marking is made by using thermoplastic acrylic resin as base material, adding pigment, filler, assistant and solvent to form paint, and marking according to preset track.
The marking of the road marking firstly requires short drying time and simple operation so as to reduce traffic interference; secondly, the reflective power is required to be strong, the color is bright, the reflective power is strong, and the visibility is good in the day and at night; however, in general, the road marking line is formed by marking the line with the liquid material, and the drying process usually takes more than twenty-four hours, which makes it difficult to complete the marking operation in a short time, thus seriously affecting the normal order of traffic passage.
Disclosure of Invention
It is an object of the present invention to provide a reticle coating, which in turn overcomes, at least to some extent, the problems caused by the limitations and disadvantages of the related art.
According to one aspect of the invention, the marking paint is prepared from the following raw materials in parts by weight:
420 parts of methyl methacrylate, 150 parts of titanium dioxide, 450 parts of heavy calcium powder, 5 parts of diisopropanol p-toluidine, 1.2 parts of an anti-settling agent, 1.5 parts of a dispersing agent and 2 parts of an initiator.
In an exemplary embodiment, the anti-settling agent is a modified urea solution, and a solvent of the modified urea solution is N-methylpyrrolidone.
In an exemplary embodiment, the initiator is phenylacetyl peroxide.
In an exemplary embodiment, the dispersant is a high molecular weight block copolymer solution containing pigment affinic groups, the solvent of the solution comprising xylene, butyl acetate and propylene glycol methyl ether acetate.
In an exemplary embodiment, the ratio of the xylene, the butyl acetate, the propylene glycol methyl ether acetate is 3: 1: 1.
in an exemplary embodiment, the methyl methacrylate is made of methacrylic acid and epoxy resin.
In an exemplary embodiment, the methyl methacrylate is prepared by oxidation of isobutylene.
In an exemplary embodiment, the methyl methacrylate is prepared by an ethylene oxo process.
The invention also provides a preparation method of the marking paint, which comprises the following steps:
step 1, weighing raw materials according to a weight ratio;
step 2, mixing methyl methacrylate, titanium dioxide, coarse whiting powder and diisopropanol p-toluidine, and uniformly stirring at the speed of 500-700rpm to obtain a component A;
step 3, mixing the anti-settling agent, the dispersing agent and the initiator, and uniformly stirring at the speed of 50-100rpm to obtain a component B;
and 4, uniformly mixing the component A and the component B for emulsification.
In an exemplary embodiment, step 1 is preceded by: the methyl methacrylate is prepared by reacting methacrylic acid with an epoxy resin.
The invention provides a marking paint which can shorten the drying time of a marking to 5 minutes, effectively shorten the time required for closing a road and play a vital role in reducing blockage and ensuring smoothness; the marking paint contains fine powder, coarse powder and a powdery auxiliary agent, so that the paint composition has the beneficial effects of high hot melting speed, high drying speed, wear resistance and crack resistance. In addition, the marking paint disclosed by the invention has good weather resistance and low VOC volatility of acrylic emulsion, has excellent water resistance and adhesiveness of epoxy resin, and can effectively increase the wear resistance of the marking paint.
Detailed Description
The following further describes embodiments of the present invention with reference to examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The embodiment of the invention provides a marking paint which is prepared from the following raw materials in parts by weight:
420 parts of methyl methacrylate, 150 parts of titanium dioxide, 450 parts of heavy calcium powder, 5 parts of diisopropanol p-toluidine, 1.2 parts of an anti-settling agent, 1.5 parts of a dispersing agent and 2 parts of an initiator. The diisopropanol-p-toluidine and the organic peroxide form a redox initiation system, and the system has high activity and good intersolubility with monomers, is suitable for room temperature curing of acrylic acid and acetic acid or other olefin monomers, and can effectively improve the drying efficiency of the coating; titanium white is an inorganic chemical pigment, the main component is titanium dioxide, and the titanium white is used in the industries of paint, printing ink, paper making, plastic rubber, chemical fiber, ceramic and the likeThere is an important use as a pigment in the marking paint, the titanium dioxide having the lowest relative density, the largest surface area and the highest pigment volume in a white pigment of equivalent mass; the main component of the heavy calcium powder is CaCO3The heavy calcium powder is used as filler and widely applied to daily chemical industries such as artificial floor tiles, rubber, plastics, papermaking, coatings, paints, printing ink, cables, building products, food, medicines, textiles, feeds, toothpaste and the like, and is used as a filler to increase the volume of products and reduce the production cost. In addition, the heavy calcium carbonate powder can be used in rubber to increase the volume of the rubber, improve the processability of the rubber, play a role in semi-reinforcement or reinforcement and adjust the hardness of the rubber. The coating is mixed and stirred uniformly and then placed in marking equipment for marking, and the temperature of the coating solution can be quickly increased by the diisopropanol-p-toluidine under the catalysis of the initiator, so that the drying speed of the marking is accelerated.
In one embodiment, the anti-settling agent is a modified urea solution in which the solvent is N-methyl pyrrolidone. The modified urea solution can be used as a liquid rheological additive for solvent-type and solventless systems, and can also be used for PVC plastisols and natural curing resin systems. The modified urea solution can develop a high thixotropic effect and thus improve anti-settling and anti-sagging properties. In addition, after the modified urea solution is mixed into a coating system, the auxiliary agent can establish a three-dimensional structure, and the formed thixotropic fluidity can prevent sedimentation and improve the anti-sagging performance without influencing the leveling.
In one embodiment, the initiator is phenylacetyl peroxide, also called acetophenone methyl peroxide, with a melting point of 36-37 deg.C and a boiling point (2533Pa) of 130 deg.C, and is dissolved in carbon tetrachloride, chloroform, ether, and oils when exposed to water or decomposed in warm places. The phenylacetyl peroxide is prepared from benzaldehyde and acetic anhydride in the presence of oxygen-containing gas and dibenzoyl peroxide, and can be used as peroxide crosslinking agent and bleaching process for flour and edible oil.
In one embodiment, the dispersant is a high molecular weight block copolymer solution containing pigment affinic groups, the solvent of which comprises xylene, butyl acetate and propylene glycol methyl ether acetate. Wherein the ratio of the xylene to the butyl acetate to the propylene glycol methyl ether acetate is 3: 1: the high molecular weight assistant deflocculates and stabilizes the pigment through steric hindrance, wherein the repulsive force generated by the charge of the pigment particles and steric hindrance stabilization can effectively avoid possible co-flocculation, so that the multi-pigment system cannot generate flooding and floating. The deflocculating property of the auxiliary agent can increase the luster, color intensity, transparency and covering power of the coating, and simultaneously reduce the viscosity of the grinding material.
In one embodiment, the methyl methacrylate is prepared by mixing methacrylic acid and epoxy resin, and the methyl methacrylate is an organic compound, MMA or methyl methacrylate for short, and has the chemical formula C5H8O2The formula weight is 100.12, which is an important chemical raw material and is a monomer for producing transparent plastic polymethyl methacrylate (polymethyl methacrylate, PMMA). In one embodiment, the preparation methods of the methyl methacrylate are three methods of methacrylamide hydrolysis esterification, isobutene oxidation and ethylene carbonyl synthesis respectively; the hydrolysis and esterification of methacrylamide can also comprise an acetone cyanohydrin method and a methacrylonitrile method, and both of the methods are used for synthesizing methyl methacrylate through hydrolysis and esterification of methacrylamide intermediates.
Specifically, the marking paint composition contains fine powder, coarse powder and a powdery auxiliary agent, and the proportion of each component in the marking paint composition is adjusted, so that the paint composition has the beneficial effects of high hot melting speed, high drying speed, wear resistance and crack resistance. The coarse powder with larger particle size and the fine powder with smaller particle size are matched and singly used with the filler with the same particle size, so that the filler has better fluidity and heat resistance, the wear resistance and the crack resistance can be improved by adding a small amount of powdery auxiliary agent, and the types of the plasticizer and the flatting agent do not generate larger influence on the performance of the coating composition.
In one embodiment, the marking paint may further include a plurality of components, for example, the marking paint may further include a mineral powder filler, the mineral powder filler being one or more of limestone, zeolite, and kaolin. The color of the marked line can be determined by adjusting the proportion of the pigments, wherein the white pigment is titanium dioxide, and the yellow pigment is heat-resistant chrome yellow. The plasticizer is oil, and is one or more of dioctyl sebacate, dioctyl adipate, dinonyl phthalate, dioctyl terephthalate, dioctyl phthalate, and vegetable oil. The resin in the powdery auxiliary agent is one or more of petroleum resin, phenolic resin, epoxy resin, amino resin, polyester resin and silicon ether resin. The stone powder in the powdery auxiliary agent is one or more of wollastonite powder, heavy gold stone powder, talcum powder and dolomite powder. The powdery auxiliary agent comprises the following components in percentage by mass: calcium carbonate: resin: titanium dioxide: the stone powder is 1: 1-2: 1-2: 1 to 2.
Another exemplary embodiment of the present invention provides a method for preparing a marking paint, including the steps of:
step 1, weighing raw materials according to a weight ratio; specifically, the raw materials comprise, by weight, 420 parts of methyl methacrylate, 150 parts of titanium dioxide, 450 parts of heavy calcium powder, 5 parts of diisopropanol p-toluidine, 1.2 parts of an anti-settling agent, 1.5 parts of a dispersing agent and 2 parts of an initiator;
step 2, mixing methyl methacrylate, titanium dioxide, coarse whiting powder and diisopropanol p-toluidine, and uniformly stirring at the speed of 500-700rpm to obtain a component A; for example, the temperature during the mixing process may be preset, for example, the polymerization reaction may be performed for 60min after the mixing process is performed and the temperature is raised to 30 ℃; optionally, the component A can also be prepared by sequentially adding methyl methacrylate, titanium dioxide, coarse whiting powder and diisopropanol-p-toluidine into a stirring kettle at a preset stirring speed, and stirring for 60min at the condition of 700rpm of 500-;
step 3, mixing the anti-settling agent, the dispersing agent and the initiator, and uniformly stirring at the speed of 50-100rpm to obtain a component B;
and 4, uniformly mixing the component A and the component B for emulsification. The initiator is phenylacetyl peroxide, and can promote the reaction of diisopropanol-p-toluidine and raise the temperature of the coating solution, so as to speed up the solidification process of the marked line.
In an exemplary embodiment, step 1 is preceded by: the methyl methacrylate is prepared by reacting methacrylic acid with an epoxy resin.
The marking paint provided by the invention can quickly establish the hardness of a coating film at the initial stage of film forming, is superior to the common marking paint, and has shorter drying time and more convenient paint construction. After the coating is cured, the coating has excellent adhesive force and good wear resistance. In addition, the acrylic emulsion component in the marking paint has higher relative molecular mass, and can provide better coating performance, so that the water resistance of a coating film of the marking paint is also excellent, and the performance reaches the level of an oil marking paint. On the other hand, the epoxy component in the emulsion is crosslinked with the anti-settling agent, the dispersant and the initiator, so that the performance of the coating is further improved. Therefore, the composite marking paint has excellent comprehensive performance and good wear resistance, reduces the recoating time and can obviously reduce the comprehensive use cost of the paint.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
The scope of the invention is limited only by the appended claims.
Claims (10)
1. The marking paint is characterized by being prepared from the following raw materials in parts by weight:
420 parts of methyl methacrylate, 150 parts of titanium dioxide, 450 parts of heavy calcium powder, 5 parts of diisopropanol p-toluidine, 1.2 parts of an anti-settling agent, 1.5 parts of a dispersing agent and 2 parts of an initiator.
2. The reticle coating of claim 1, wherein the anti-settling agent is a modified urea solution and the solvent of the modified urea solution is N-methyl pyrrolidone.
3. The reticle coating of claim 1, wherein the initiator is phenylacetyl peroxide.
4. The reticle coating of claim 1, wherein the dispersant is a high molecular weight block copolymer solution containing pigment affinic groups, the solvent of the solution comprising xylene, butyl acetate and propylene glycol methyl ether acetate.
5. The reticle coating of claim 5, wherein the xylene, the butyl acetate, the propylene glycol methyl ether acetate are in a ratio of 3: 1: 1.
6. the reticle coating of claim 1, wherein the methyl methacrylate is made from methacrylic acid and an epoxy resin.
7. The reticle coating of claim 1, wherein the methyl methacrylate is prepared by oxidation of isobutylene.
8. The reticle coating of any one of claims 1-7, wherein the methyl methacrylate is prepared by ethylene oxo synthesis.
9. A method of preparing the reticle paint of any one of claims 1 to 8, comprising the steps of:
step 1, weighing raw materials according to a weight ratio;
step 2, mixing methyl methacrylate, titanium dioxide, coarse whiting powder and diisopropanol p-toluidine, and uniformly stirring at the speed of 500-700rpm to obtain a component A;
step 3, mixing the anti-settling agent, the dispersing agent and the initiator, and uniformly stirring at the speed of 50-100rpm to obtain a component B;
and 4, uniformly mixing the component A and the component B for emulsification.
10. The method of claim 9, wherein the step of preparing the reticle coating,
before step 1, the method further comprises the following steps: the methyl methacrylate is prepared by reacting methacrylic acid with an epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210000832.8A CN114213888A (en) | 2022-01-04 | 2022-01-04 | Marking paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210000832.8A CN114213888A (en) | 2022-01-04 | 2022-01-04 | Marking paint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114213888A true CN114213888A (en) | 2022-03-22 |
Family
ID=80707836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210000832.8A Pending CN114213888A (en) | 2022-01-04 | 2022-01-04 | Marking paint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114213888A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1566238A (en) * | 2003-06-30 | 2005-01-19 | 张贵洲 | Thermoplastic fast-dry traffic paint |
| CN103421371A (en) * | 2013-06-20 | 2013-12-04 | 天长市润达金属防锈助剂有限公司 | Heat-reflection coating of asphalt pavement |
| CN106065209A (en) * | 2016-08-05 | 2016-11-02 | 天津市津海特种涂料装饰有限公司 | A kind of solvent-free paint marking of super abrasive |
| KR101814346B1 (en) * | 2017-08-23 | 2018-01-04 | 주식회사 에코리치 | The Paint Composition for using a Road Marking of a Two Component Paint |
| CN108384405A (en) * | 2018-02-23 | 2018-08-10 | 保定市科顺达交通设施有限公司 | Dotted reflector marking of melt acrylic ester and preparation method thereof |
-
2022
- 2022-01-04 CN CN202210000832.8A patent/CN114213888A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1566238A (en) * | 2003-06-30 | 2005-01-19 | 张贵洲 | Thermoplastic fast-dry traffic paint |
| CN103421371A (en) * | 2013-06-20 | 2013-12-04 | 天长市润达金属防锈助剂有限公司 | Heat-reflection coating of asphalt pavement |
| CN106065209A (en) * | 2016-08-05 | 2016-11-02 | 天津市津海特种涂料装饰有限公司 | A kind of solvent-free paint marking of super abrasive |
| KR101814346B1 (en) * | 2017-08-23 | 2018-01-04 | 주식회사 에코리치 | The Paint Composition for using a Road Marking of a Two Component Paint |
| CN108384405A (en) * | 2018-02-23 | 2018-08-10 | 保定市科顺达交通设施有限公司 | Dotted reflector marking of melt acrylic ester and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 《化工百科全书》编辑委员会: "《化工百科全书 第8卷》", 30 September 1994, 化学工业出版社, pages: 177 - 185 * |
| 周其凤等: "《高分子化学》", 31 October 2001, 中国科学技术大学出版社, pages: 103 - 104 * |
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Application publication date: 20220322 |