CN115895429A - Water-based colored material for road color changing and preparation method thereof - Google Patents
Water-based colored material for road color changing and preparation method thereof Download PDFInfo
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- CN115895429A CN115895429A CN202111507257.2A CN202111507257A CN115895429A CN 115895429 A CN115895429 A CN 115895429A CN 202111507257 A CN202111507257 A CN 202111507257A CN 115895429 A CN115895429 A CN 115895429A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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Abstract
The invention belongs to the technical field of water-based paint, and particularly relates to a water-based colored material for road color changing and a preparation method thereof, wherein the water-based colored material comprises the following components in parts by mass: 30-35 parts of waterborne polyurethane acrylate resin; 20-30 parts of water-based pigment slurry; 5-10 parts of a filler; 0.1-0.5 part of leveling agent; 0.3-0.5 part of wetting agent; 2-3 parts of a film-forming assistant; a proper amount of deionized water; by adding a proper auxiliary agent into the waterborne polyurethane acrylate resin with excellent mechanical properties, a good synergistic effect is realized, the quick-drying effect of the waterborne polyurethane acrylate resin with low VOC is realized, and meanwhile, by matching with a proper filler, hydroxyl, carboxyl and polyurethane in the waterborne polyurethane acrylate resin can form an ionic bond with the surface of the filler, so that an anchoring effect is generated, and the good wear-resistant and anti-skid properties of the colored material can be further improved after quick drying.
Description
Technical Field
The invention belongs to the technical field of water-based paint, and particularly relates to a water-based colored material for road color changing and a preparation method thereof.
Background
Along with the acceleration of town construction, higher requirements are put forward for the reconstruction of roads in towns and the construction of city appearances, the road color-changing coating used in the market at present is an oily product and contains more volatile solvents, and along with the improvement of environmental protection requirements, a color-changing material with low VOC needs to be developed to meet the field requirements of customers. At present, the national environmental protection agency has strict and harsh requirements on the construction of coating spraying enterprises, and strictly controls the emission of VOC (volatile organic compounds), but the problems of low-VOC road color change products that the dryness is slow, the wear-resisting and anti-skidding performance after molding is poor, the service life is short, and the later maintenance period is long exist at present.
Disclosure of Invention
The invention provides a water-based colored material for road color changing and a preparation method thereof.
In order to solve the technical problem, the invention provides a water-based colored material for road color changing, which comprises the following components in parts by mass: 30-35 parts of a water-based polyurethane acrylate resin; 20-30 parts of water-based pigment slurry; 5-10 parts of a filler; 0.1-0.5 part of a leveling agent; 0.3-0.5 part of wetting agent; 2-3 parts of a film-forming assistant; and a proper amount of deionized water.
The invention has the beneficial effects that:
(1) The invention greatly reduces the toxic and harmful gas discharged by the product during construction by reducing the use of organic solvent.
(2) The waterborne polyurethane acrylate resin has excellent mechanical property and excellent flexibility, hydroxyl, carboxyl and polyurethane in the waterborne polyurethane acrylate resin can form ionic bonds with the surface of a filler to generate an anchoring effect, and the waterborne polyurethane acrylate resin can be matched with a matched compatible auxiliary agent to realize high drying film forming speed so as to achieve the purpose of reducing the construction period.
(3) The filler used in the invention is one or more of talcum powder, heavy calcium powder, kaolin, silicon dioxide and barium sulfate, and the use of the filler not only enables the coating film to have high covering power and tinting strength, but also can provide certain strength and roughness, thereby greatly improving the wear-resisting and anti-skid properties of the road.
In another aspect, the invention also provides a preparation method of the aqueous colored material for road color changing, which comprises the following steps: mixing and stirring the waterborne polyurethane acrylate resin, the waterborne pigment slurry, the filler and the wetting agent to prepare a waterborne colored premixed material; and sequentially adding a flatting agent, a film forming aid and deionized water into the aqueous colored pre-mixed material, mixing and stirring to obtain the aqueous colored material for road color change.
The preparation method of the water-based colored material for road color changing has the advantages of safe, environment-friendly and simple production process, environment-friendly and convenient construction, and no harm to human bodies due to the fact that water is used as a medium.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
In order to make the aforementioned and other objects, features and advantages of the invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention are described clearly and completely below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a water-based colored material for road color changing, which comprises the following components in parts by mass: 30-35 parts of waterborne polyurethane acrylate resin; 20-30 parts of water-based pigment slurry; 5-10 parts of a filler; 0.1-0.5 part of leveling agent; 0.3-0.5 part of wetting agent; 2-3 parts of a film-forming assistant; and a proper amount of deionized water.
According to the invention, by adding a proper auxiliary agent into the waterborne polyurethane acrylate resin with excellent mechanical properties, a good synergistic effect is realized, the quick-drying effect of the waterborne polyurethane acrylate resin with low VOC is realized, and meanwhile, by matching with a proper filler, hydroxyl, carboxyl and polyurethane in the waterborne polyurethane acrylate resin can form an ionic bond with the surface of the filler to generate an anchoring effect, so that the better wear-resisting and anti-skidding performance of the colored material after quick drying is further improved.
Wherein, optionally, the solid content of the waterborne polyurethane acrylate resin is 45%, the hydroxyl content is 1-2%, and the pH value is 8.0-9.0.
Specifically, the aqueous pigment slurry comprises the following components in parts by mass: aqueous dispersant: 0.5-1 part; pigment: 30-40 parts; and a proper amount of propylene glycol butyl ether.
Alternatively, the aqueous dispersant is a modified polyacrylic acid polymer, and if the content is less than 0.5 parts by weight, the viscosity of the toner during dispersion is high, so that the workability of dispersibility is reduced, and it is difficult to impart pigment melting and rheological properties in a coating film formed of an aqueous urethane acrylate resin. If the content is more than 1 part by weight, the viscosity of the coating material may be reduced, which may affect the storage properties.
Optionally, the main components of the pigment are organic pigment and inorganic pigment, if the content of the pigment is less than 30 parts by weight, the color of the colored material is difficult to show and color difference is easy to generate, and if the content is more than 40 parts by weight, the amount of water and solvent used in preparing the colored material is too small relative to the amount of the pigment, so that the pigment is difficult to wet, and the storage stability of the coating is difficult to maintain.
Optionally, the filler comprises: one or more of talcum powder, heavy calcium powder, kaolin, silicon dioxide and barium sulfate can be selected according to the color requirement of a colored material, and the filler is used to ensure that the coating has high covering power and tinting strength, and can provide certain strength and roughness, thereby greatly improving the wear-resistant and anti-skid properties of the road.
Optionally, the leveling agent is an acrylate leveling agent.
Optionally, the film-forming assistant is an acetylene surfactant, the rapid drying of the waterborne polyurethane acrylate resin has a great relationship with the type and content of the film-forming assistant, and the acetylene surfactant has an excellent matching effect and can ensure the performance after color endowment on the premise of ensuring the rapid drying of the colored material.
The invention also provides a preparation method of the water-based colored material for road color changing, which comprises the following steps: mixing and stirring the waterborne polyurethane acrylate resin, the waterborne pigment slurry, the filler and the wetting agent to prepare a waterborne colored premixed material; and sequentially adding a flatting agent, a film forming aid and deionized water into the aqueous colored pre-mixed material, mixing and stirring to obtain the aqueous colored material for road color change.
Wherein, the waterborne colored premixed material is prepared by stirring waterborne polyurethane acrylate resin, waterborne pigment slurry, filler and wetting agent for 10-30 min under the condition of the rotating speed of 600-800 r/min.
Specifically, a leveling agent is added into the water-based colored premixing material, and the mixture is stirred and dispersed for 20-30 min under the condition of the rotating speed of 800-1000 r/min.
Specifically, the film forming aid is added into the water-based colored premixed material, and the mixture is stirred and dispersed for 20 to 30min under the condition of the rotating speed of 800 to 1000 r/min.
Specifically, deionized water is added into the water-based colored pre-mixed material finally to adjust the viscosity, and the mixture is stirred for 20 to 25 minutes at the rotating speed of 800 to 1000 r/min.
The preparation method of the water-based colored material for road color changing is safe, environment-friendly and simple in production process, environment-friendly and convenient to construct, safe and nontoxic and does not cause harm to human bodies by taking water as a medium
The present invention will now be described in further detail with reference to examples.
Example 1
Mixing 33 parts of aqueous polyurethane acrylate resin, 25 parts of aqueous pigment slurry, 9 parts of filler and 0.5 part of wetting agent, and stirring at the rotating speed of 600-800 r/min for 10-30 min to prepare an aqueous colored premixed material; sequentially adding 0.3 part of flatting agent into the water-based colored premixed material, and stirring and dispersing for 20-30 min at the rotating speed of 800-1000 r/min; 2 parts of film-forming assistant, and stirring and dispersing for 20-30 min under the condition of the rotating speed of 800-1000 r/min; and (4) adjusting the viscosity of the rest deionized water, and stirring the mixture for 20 to 25 minutes at the rotating speed of 800 to 1000r/min to obtain the aqueous colored material for road color change.
In the embodiment, the waterborne polyurethane acrylate resin is tested experimentally, the polyurethane structure endows the acrylic resin with good flexibility, and meanwhile, the structure of the acrylic resin provides excellent drying performance,
in this example, the selection of the filler has been confirmed through a number of experiments to provide excellent wear resistance and anti-slip properties to the coating film.
In this example, the film-forming aid is selected and the amount added can be adjusted to the effect of the sample provided by the customer.
Examples 2-5 and comparative examples 1-2 are substantially the same as example 1 except for the differences in table 1.
TABLE 1
Examples 2-5 comparative examples 1-2 were prepared to test all samples: the road stones (thickness: 5 cm) were coated with the colored materials prepared in examples 1 to 5 and comparative examples 1 to 2 after removing oil and dust on the surfaces thereof, and the results of the measurements are shown in Table 2
TABLE 2
The detection results in table 2 show that the workability, mechanical properties and the like of the water-based colored material for road color change prepared by the method can be suitable for different use conditions, and the market requirements can be completely met.
In conclusion, according to the aqueous colored material for road color changing and the preparation method thereof, a proper auxiliary agent is added into the aqueous polyurethane acrylate resin with excellent mechanical properties, so that a good synergistic effect is realized, the quick drying effect of the aqueous polyurethane acrylate resin with low VOC is realized, and meanwhile, a proper filler is matched, so that hydroxyl, carboxyl and polyurethane in the aqueous polyurethane acrylate resin can form an ionic bond with the surface of the filler to generate an anchoring effect, and the good wear-resisting and anti-skid properties of the colored material can be further improved after quick drying.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The water-based colored material for road color changing is characterized by comprising the following components in parts by mass:
30-35 parts of waterborne polyurethane acrylate resin;
20-30 parts of water-based pigment slurry;
5-10 parts of a filler;
0.1-0.5 part of leveling agent;
0.3-0.5 part of wetting agent;
2-3 parts of a film-forming assistant;
and a proper amount of deionized water.
2. The colored material of claim 1,
the solid content of the waterborne polyurethane acrylate resin is 45%, the hydroxyl content is 1-2%, and the pH value is 8.0-9.0.
3. The colored material of claim 1,
the aqueous pigment slurry comprises the following components in parts by mass:
aqueous dispersant: 0.5-1 part;
pigment: 30-40 parts;
and a proper amount of propylene glycol butyl ether.
4. The colored material of claim 3,
the aqueous dispersant is modified polyacrylic acid polymer.
5. The colored material of claim 3,
the main components of the pigment are organic pigment and inorganic pigment.
6. The colored material of claim 1,
the filler comprises: one or more of talcum powder, heavy calcium powder, kaolin, silicon dioxide and barium sulfate.
7. The colored material of claim 1,
the leveling agent is an acrylate leveling agent.
8. The colored material of claim 1,
the wetting agent is acetylene surfactant.
9. The colored material of claim 1,
the film-forming assistant is acetylene surfactant.
10. A method for preparing a water-based colored material for road color changing, which is characterized in that,
the method comprises the following steps:
mixing and stirring the waterborne polyurethane acrylate resin, the waterborne pigment slurry, the filler and the wetting agent to prepare a waterborne colored premixed material;
and sequentially adding a flatting agent, a film forming aid and deionized water into the aqueous colored pre-mixed material, mixing and stirring to obtain the aqueous colored material for road color change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111507257.2A CN115895429A (en) | 2021-12-10 | 2021-12-10 | Water-based colored material for road color changing and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111507257.2A CN115895429A (en) | 2021-12-10 | 2021-12-10 | Water-based colored material for road color changing and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN115895429A true CN115895429A (en) | 2023-04-04 |
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| CN202111507257.2A Withdrawn CN115895429A (en) | 2021-12-10 | 2021-12-10 | Water-based colored material for road color changing and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080105845A (en) * | 2007-06-01 | 2008-12-04 | 주식회사 케이알건설 | Waterproof agent for elastic membrane and preparing method thereof |
| CN101591506A (en) * | 2009-07-07 | 2009-12-02 | 上海申真企业发展有限公司 | Color crystal color-quality floor coating and construction technology |
| CN105860821A (en) * | 2015-01-21 | 2016-08-17 | 湖南邦弗特新材料技术有限公司 | Aqueous one-component polyurethane wood paint, preparation method and application technology thereof |
| CN110330885A (en) * | 2019-07-17 | 2019-10-15 | 上海应用技术大学 | A kind of polymerization of acrylic modified polyurethane Environmental-protecwaterproof waterproof paint and preparation method thereof |
| CN110358440A (en) * | 2019-07-23 | 2019-10-22 | 上海应用技术大学 | A kind of Diamond Search aqueous polyurethane acrylate woodcare paint and preparation method thereof |
-
2021
- 2021-12-10 CN CN202111507257.2A patent/CN115895429A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080105845A (en) * | 2007-06-01 | 2008-12-04 | 주식회사 케이알건설 | Waterproof agent for elastic membrane and preparing method thereof |
| CN101591506A (en) * | 2009-07-07 | 2009-12-02 | 上海申真企业发展有限公司 | Color crystal color-quality floor coating and construction technology |
| CN105860821A (en) * | 2015-01-21 | 2016-08-17 | 湖南邦弗特新材料技术有限公司 | Aqueous one-component polyurethane wood paint, preparation method and application technology thereof |
| CN110330885A (en) * | 2019-07-17 | 2019-10-15 | 上海应用技术大学 | A kind of polymerization of acrylic modified polyurethane Environmental-protecwaterproof waterproof paint and preparation method thereof |
| CN110358440A (en) * | 2019-07-23 | 2019-10-22 | 上海应用技术大学 | A kind of Diamond Search aqueous polyurethane acrylate woodcare paint and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 陆亨荣,张玲华: "水性聚氨酯-丙烯酸酯复合外墙涂料性能及应用研究", 化学建材, no. 03 * |
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