CN112126270A - Road surface environment-friendly functional coating for reducing urban heat island effect and preparation method thereof - Google Patents
Road surface environment-friendly functional coating for reducing urban heat island effect and preparation method thereof Download PDFInfo
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- CN112126270A CN112126270A CN202011034643.XA CN202011034643A CN112126270A CN 112126270 A CN112126270 A CN 112126270A CN 202011034643 A CN202011034643 A CN 202011034643A CN 112126270 A CN112126270 A CN 112126270A
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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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
- C09D201/00—Coating compositions based on unspecified macromolecular 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
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- 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
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- 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
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- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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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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- 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)
- Road Paving Structures (AREA)
Abstract
The invention relates to the technical field of a road surface environment-friendly functional coating for reducing an urban heat island effect, and discloses a road surface environment-friendly functional coating for reducing the urban heat island effect, which comprises the following components in parts by weight: the preparation method of the road surface environment-friendly functional coating for reducing the urban heat island effect comprises the following steps of highly reflecting the near infrared wave band in sunlight through the infrared reflection functional powder and the infrared heat radiation functional powder and directly emitting ground radiation heat to the atmosphere through the atmospheric window in an infrared radiation mode by utilizing the atmospheric window, so that the temperature of adjacent buildings and walls is not increased, and the effective mode of solving the urban heat island effect is achieved.
Description
Technical Field
The invention relates to the technical field of a road surface environment-friendly functional coating for reducing an urban heat island effect, in particular to a road surface environment-friendly functional coating for reducing the urban heat island effect and a preparation method thereof.
Background
Heat island effect of city day and night heat island effect of city night is influenced by characteristics of an underlying surface (a contact surface of the bottom of the atmosphere and the ground surface) of the city. The artificial structures in cities, such as concrete, asphalt pavement and various building wall surfaces, change the thermal property of the underlying surface, and have fast heat absorption and small heat capacity, and under the same solar radiation condition, the artificial structures are faster than the natural underlying surface (green land, water surface and the like) in temperature rise, so the surface temperature of the artificial structures is obviously higher than that of the natural underlying surface.
The urban heat island effect not only causes the problems of increasing urban energy consumption, reducing human body comfort and the like, but also causes the accumulation of atmospheric pollutants such as oxysulfide, nitric oxide, oxycarbide, hydrocarbon and the like formed by burning petrochemical fuel in the life, industrial production and vehicle operation of people in the central area of the heat island, and harms the body health and even life of people because the near-ground air temperature of the central area of the heat island is high, the atmosphere makes rising movement and forms air pressure difference with the surrounding area, and the near-ground atmosphere of the surrounding area is radial combined to the central area, so that a low-pressure vortex is formed in the central area of the city.
In order to reduce the heat island effect, the urban heat island effect is relieved by adopting a high-reflectivity or reflective material to modify the urban surface, which is a measure which is increasingly popular. For example, in the invention patent application with the name of heat-resistant material for relieving urban heat island effect and the application number of 201810373668.9, a heat reflection and heat resistance technical means is adopted to actively reduce the overhigh road surface temperature, the working temperature of a road surface structure is reduced on the basis of not increasing or slightly increasing the road manufacturing cost, the track disease is controlled, and simultaneously the thermophysical characteristic of urban pavement is improved, so that the increasingly serious urban heat island effect can be effectively relieved, a more suitable living environment is provided for urban residents, and the electricity consumption caused by the urban heat island effect is reduced, thereby playing the roles of protecting the refrigeration environment and saving energy. The heat-resistant material disclosed by the invention can resist heat, absorb and reflect the visible light with the wavelength of 400-. Radiation reflected by high reflectivity pavements potentially increases the temperature of adjacent buildings and walls; the cooling load of the adjacent building is increased; increasing thermal discomfort of the pedestrian; reflected ultraviolet light and glare also have an effect on the health of pedestrians.
Disclosure of Invention
The invention aims to solve the problems and designs a road surface environment-friendly functional coating for reducing the urban heat island effect.
The technical scheme of the invention is that the road surface environmental protection functional coating for reducing the urban heat island effect comprises the following components in parts by weight: 30-50 parts of inorganic polymer resin, 5-10 parts of infrared reflection functional powder, 3-5 parts of infrared heat radiation functional powder, 20-30 parts of pigment and filler, 2-3 parts of film forming additive, 0.2-0.4 part of defoaming agent, 1-1.5 parts of dispersing agent, 0.4-0.8 part of thickening agent and 15-20 parts of water. The preparation method of the road surface environment-friendly functional coating for reducing the urban heat island effect comprises the following steps:
step 1: putting 10-15 parts of water and 30-50 parts of inorganic polymer resin into a stirring kettle, and adding 0.1-0.2 part of defoaming agent and 1.0-1.5 parts of dispersing agent while stirring at 500-600 rpm;
step 2: increasing the stirring speed of the stirring kettle in the step 1 to 1000-1200rpm, adding 20-30 parts of pigment and filler, and stirring for 10-15 min;
and step 3: respectively adding 5-10 parts of infrared reflection functional powder and 3-5 parts of infrared heat radiation functional powder into the stirring kettle in the step 2, stirring for 20-30min, and detecting the fineness of the slurry in the stirring kettle;
and 4, step 4: reducing the stirring speed of the stirring kettle in the step 3 to 800rpm, adding 2-3 parts of film-forming additive, 0.4-0.8 part of thickening agent and 0.1-0.2 part of residual defoaming agent, and stirring for 10-15 min;
and 5: and (4) adding 5-10 parts of the rest water and 0.4-0.8 part of thickening agent into the stirring kettle in the step (4), adjusting the viscosity to form a coating, adding a pH regulator to adjust the pH value of the coating, and filtering the coating after the pH value is adjusted to obtain a finished product.
Preferably, the inorganic polymer resin is an inorganic modified organic resin or an organic modified inorganic binder.
Preferably, the infrared reflection functional powder is a material having reflection on an infrared band in a sunlight band.
Preferably, the infrared heat radiation functional powder is a nano material with an infrared radiation function.
Preferably, the pigment filler is titanium dioxide, heavy calcium carbonate and barium sulfate materials.
On the other hand, the invention also provides a preparation method of the road surface environment-friendly functional coating for reducing the urban heat island effect, which comprises the following steps:
step 1: putting 10-15 parts of water and 30-50 parts of inorganic polymer resin into a stirring kettle, and adding 0.1-0.2 part of defoaming agent and 1.0-1.5 parts of dispersing agent while stirring at 500-600 rpm;
step 2: increasing the stirring speed of the stirring kettle in the step 1 to 1000-1200rpm, adding 20-30 parts of pigment and filler, and stirring for 10-15 min;
and step 3: respectively adding 5-10 parts of infrared reflection functional powder and 3-5 parts of infrared heat radiation functional powder into the stirring kettle in the step 2, stirring for 20-30min, and detecting the fineness of the slurry in the stirring kettle;
and 4, step 4: reducing the stirring speed of the stirring kettle in the step 3 to 800rpm, adding 2-3 parts of film-forming additive, 0.4-0.8 part of thickening agent and 0.1-0.2 part of residual defoaming agent, and stirring for 10-15 min;
and 5: and (4) adding 5-10 parts of the rest water and 0.4-0.8 part of thickening agent into the stirring kettle in the step (4), adjusting the viscosity to form a coating, and adding a pH regulator to adjust the pH value of the coating.
Preferably, the fineness of the slurry detected in the step 3 is less than 20 μm.
Preferably, the viscosity of the dope is adjusted to 85 to 90KU in the step 5.
Preferably, the pH value of the coating is adjusted to 8 +/-0.2 in the step 5.
Advantageous effects
The road surface environmental protection functional coating for reducing the urban heat island effect, which is manufactured by the technical scheme of the invention, has high reflection to near-infrared wave bands in sunlight by the infrared reflection functional powder and the infrared heat radiation functional powder, and directly emits ground radiation heat to the atmosphere through the atmospheric window in an infrared radiation mode by utilizing the atmospheric window, so that the temperature of adjacent buildings and walls is not increased, and the effective mode of the urban heat island effect is solved.
Detailed Description
The present invention will be further described with reference to the following examples.
The embodiment of the invention provides a pavement environmental protection functional coating for reducing urban heat island effect, which comprises the following components: inorganic polymer resin, infrared reflection functional powder, infrared heat radiation functional powder, pigment and filler, film forming additive, defoaming agent, dispersing agent, thickening agent and the balance of water. The preparation method of the road surface environment-friendly functional coating for reducing the urban heat island effect comprises the following steps:
step 1: putting 10-15 parts of water and 30-50 parts of inorganic polymer resin into a stirring kettle, and adding 0.1-0.2 part of defoaming agent and 1.0-1.5 parts of dispersing agent while stirring at 500-600 rpm;
step 2: increasing the stirring speed of the stirring kettle in the step 1 to 1000-1200rpm, adding 20-30 parts of pigment and filler, and stirring for 10-15 min;
and step 3: respectively adding 5-10 parts of infrared reflection functional powder and 3-5 parts of infrared heat radiation functional powder into the stirring kettle in the step 2, stirring for 20-30min, and detecting the fineness of the slurry in the stirring kettle;
and 4, step 4: reducing the stirring speed of the stirring kettle in the step 3 to 800rpm, adding 2-3 parts of film-forming additive, 0.4-0.8 part of thickening agent and 0.1-0.2 part of residual defoaming agent, and stirring for 10-15 min;
and 5: and (4) adding 5-10 parts of the rest water and 0.4-0.8 part of thickening agent into the stirring kettle in the step (4), adjusting the viscosity to form a coating, adding a pH regulator to adjust the pH value of the coating, and filtering the coating after the pH value is adjusted to obtain a finished product.
The following are specific examples:
example 1: adding 10 parts of water and 50 parts of inorganic polymer resin into a stirring kettle, stirring at 600rpm while adding 0.2 part of defoaming agent and 1.0 part of dispersing agent, continuing to stir, adding 20 parts of pigment and filler, increasing the rotating speed to 1000rpm, continuing to stir for 10min, then respectively adding 10 parts of infrared reflection functional powder and 5 parts of infrared heat radiation functional powder, continuing to stir for 30min, detecting that the fineness of the slurry reaches below 20 mu m, reducing the stirring speed to 600rpm, uniformly stirring, adding 3 parts of film-forming assistant, 0.6 part of thickening agent and the rest 0.2 part of defoaming agent, continuing to stir for 15min, adding the rest 5 parts of water, adding 0.8 part of thickening agent, adjusting the year to 85-90KU, adjusting the pH value of the coating to 8 by using a pH regulator, and filtering to obtain a finished product.
Example 2: adding 15 parts of water and 30 parts of modified polymer resin into a stirring kettle, stirring at 500rpm while adding 0.1 part of defoaming agent and 1.5 parts of dispersing agent, continuing to stir, adding 30 parts of pigment and filler, increasing the rotating speed to 1200rpm, continuing to stir for 15min, then respectively adding 5 parts of infrared reflection functional powder and 3 parts of infrared heat radiation functional powder, continuing to stir for 25min, detecting that the fineness of the slurry reaches below 20 mu m, reducing the stirring speed to 800rpm, uniformly stirring, adding 2 parts of film-forming assistant, 0.5 part of thickening agent and the rest 0.1 part of defoaming agent, continuing to stir for 10min, adding the rest 5 parts of water, adding 0.8 part of thickening agent, adjusting the year to 85-90KU, adjusting the pH value of the coating to 8 by using a pH regulator, and filtering to obtain a finished product.
Example 3: adding 12 parts of water and 40 parts of modified polymer resin into a stirring kettle, stirring at 500rpm while adding 0.15 part of defoaming agent and 1.2 parts of dispersing agent, continuing to stir, adding 22 parts of pigment and filler, increasing the rotating speed to 1100rpm, continuing to stir for 15min, then respectively adding 8 parts of infrared reflection functional powder and 4 parts of infrared heat radiation functional powder, continuing to stir for 25min, detecting that the fineness of the slurry reaches below 20 mu m, reducing the stirring speed to 700rpm, uniformly stirring, adding 3 parts of film-forming assistant, 0.6 part of thickening agent and the rest 0.15 part of defoaming agent, continuing to stir for 10min, adding the rest 6 parts of water, adding 0.6 part of thickening agent, adjusting the year to 85-90KU, adjusting the pH value of the coating to 7.8 by using a pH regulator, and filtering to obtain the finished product.
Physical and thermal reflective property tests of the pavement coatings for reducing urban heat island effect were performed according to examples 1, 2 and 3:
the technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (9)
1. The road surface environment-friendly functional coating for reducing the urban heat island effect is characterized by comprising the following components in parts by weight: 30-50 parts of inorganic polymer resin, 5-10 parts of infrared reflection functional powder, 3-5 parts of infrared heat radiation functional powder, 20-30 parts of pigment and filler, 2-3 parts of film forming additive, 0.2-0.4 part of defoaming agent, 1-1.5 parts of dispersing agent, 0.4-0.8 part of thickening agent and 15-20 parts of water.
2. The road surface environment-friendly functional coating for reducing the urban heat island effect is characterized in that the inorganic polymer resin is an inorganic modified organic resin or an organic modified inorganic binding material.
3. The road surface environment-friendly functional coating for reducing the urban heat island effect according to claim 1, wherein the infrared reflection functional powder is a material having reflection on an infrared band in a solar band.
4. The road surface environment-friendly functional coating for reducing the urban heat island effect according to claim 1, wherein the infrared heat radiation functional powder is a nano material having an infrared radiation function.
5. The pavement environmental protection functional paint for reducing urban heat island effect according to any one of claims 1-4, wherein the pigment and filler is at least one of titanium dioxide, heavy calcium carbonate and barium sulfate.
6. The preparation method of the road surface environment-friendly functional coating for reducing the urban heat island effect according to any one of claims 1 to 5, comprising the following steps of:
step 1: putting 10-15 parts of water and 30-50 parts of inorganic polymer resin into a stirring kettle, and adding 0.1-0.2 part of defoaming agent and 1.0-1.5 parts of dispersing agent while stirring at 500-600 rpm;
step 2: increasing the stirring speed of the stirring kettle in the step 1 to 1000-1200rpm, adding 20-30 parts of pigment and filler, and stirring for 10-15 min;
and step 3: respectively adding 5-10 parts of infrared reflection functional powder and 3-5 parts of infrared heat radiation functional powder into the stirring kettle in the step 2, stirring for 20-30min, and detecting the fineness of the slurry in the stirring kettle;
and 4, step 4: reducing the stirring speed of the stirring kettle in the step 3 to 800rpm, adding 2-3 parts of film-forming additive, 0.4-0.8 part of thickening agent and 0.1-0.2 part of residual defoaming agent, and stirring for 10-15 min;
and 5: and (4) adding 5-10 parts of the rest water and 0.4-0.8 part of thickening agent into the stirring kettle in the step (4), and adding a pH regulator to regulate the pH value of the coating.
7. The method according to claim 6, wherein the fineness of the slurry detected in step 3 is 20 μm or less.
8. The method according to claim 6, wherein the viscosity of the dope is adjusted to 85 to 90KU in the step 5.
9. The method according to any one of claims 6 to 8, wherein the pH of the dope is adjusted to 8 ± 0.2 in the step 5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011034643.XA CN112126270A (en) | 2020-09-27 | 2020-09-27 | Road surface environment-friendly functional coating for reducing urban heat island effect and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011034643.XA CN112126270A (en) | 2020-09-27 | 2020-09-27 | Road surface environment-friendly functional coating for reducing urban heat island effect and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851453A (en) * | 2010-06-12 | 2010-10-06 | 重庆龙者低碳环保科技有限公司 | Heat reflection-emission lamina simulated-brick thermal insulation coating and preparation method thereof |
| CN103158306A (en) * | 2013-03-18 | 2013-06-19 | 杭州威廉姆投资管理有限公司 | Novel ceramic heat insulating coat and preparation process thereof |
| CN106479362A (en) * | 2016-11-08 | 2017-03-08 | 泰州职业技术学院 | A kind of have the road surface waterproof layer reducing urban heat land effect effect and its construction method |
| CN106542820A (en) * | 2016-11-08 | 2017-03-29 | 泰州职业技术学院 | A kind of infrared emanation function cooling powder for reducing bituminous paving temperature |
-
2020
- 2020-09-27 CN CN202011034643.XA patent/CN112126270A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851453A (en) * | 2010-06-12 | 2010-10-06 | 重庆龙者低碳环保科技有限公司 | Heat reflection-emission lamina simulated-brick thermal insulation coating and preparation method thereof |
| CN103158306A (en) * | 2013-03-18 | 2013-06-19 | 杭州威廉姆投资管理有限公司 | Novel ceramic heat insulating coat and preparation process thereof |
| CN106479362A (en) * | 2016-11-08 | 2017-03-08 | 泰州职业技术学院 | A kind of have the road surface waterproof layer reducing urban heat land effect effect and its construction method |
| CN106542820A (en) * | 2016-11-08 | 2017-03-29 | 泰州职业技术学院 | A kind of infrared emanation function cooling powder for reducing bituminous paving temperature |
Non-Patent Citations (2)
| Title |
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| 刘振宇主编: "《涂料涂装技术强制性标准认证全书 卷3》", 30 September 2002 * |
| 张黎主编: "《建筑材料》", 31 July 2018 * |
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