CN112251058B - Urban green road inorganic silicate coating and preparation method thereof - Google Patents
Urban green road inorganic silicate coating and preparation method thereof Download PDFInfo
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- CN112251058B CN112251058B CN202011124108.3A CN202011124108A CN112251058B CN 112251058 B CN112251058 B CN 112251058B CN 202011124108 A CN202011124108 A CN 202011124108A CN 112251058 B CN112251058 B CN 112251058B
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- 238000000576 coating method Methods 0.000 title claims abstract description 48
- 239000011248 coating agent Substances 0.000 title claims abstract description 46
- 229910052909 inorganic silicate Inorganic materials 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title description 9
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 30
- 239000000843 powder Substances 0.000 claims abstract description 26
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 26
- 239000010703 silicon Substances 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- -1 silicon modified silicate Chemical class 0.000 claims abstract description 25
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000006185 dispersion Substances 0.000 claims abstract description 22
- 239000002131 composite material Substances 0.000 claims abstract description 20
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 19
- 239000002270 dispersing agent Substances 0.000 claims abstract description 19
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229920000896 Ethulose Polymers 0.000 claims abstract description 16
- 239000001859 Ethyl hydroxyethyl cellulose Substances 0.000 claims abstract description 16
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000839 emulsion Substances 0.000 claims abstract description 16
- 235000019326 ethyl hydroxyethyl cellulose Nutrition 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 15
- 239000001023 inorganic pigment Substances 0.000 claims abstract description 15
- 239000003381 stabilizer Substances 0.000 claims abstract description 15
- 230000008719 thickening Effects 0.000 claims abstract description 15
- 239000000080 wetting agent Substances 0.000 claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 32
- 239000003973 paint Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 239000000654 additive Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 6
- 240000002853 Nelumbo nucifera Species 0.000 claims description 4
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 4
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims description 4
- 239000007900 aqueous suspension Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 8
- 230000035699 permeability Effects 0.000 abstract description 8
- 238000005562 fading Methods 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 17
- 239000000047 product Substances 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 12
- 229920002635 polyurethane Polymers 0.000 description 6
- 239000004814 polyurethane Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012860 organic pigment Substances 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
- C09D1/04—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic additives
-
- 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
-
- 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
- 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
- C09D7/65—Additives macromolecular
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)
- Road Paving Structures (AREA)
Abstract
The invention provides an urban green road inorganic silicate coating which is prepared by mixing and modulating the following components in parts by weight: 27.9-30.4 parts of water, 0.3-0.5 part of ethyl hydroxyethyl cellulose, 0.6-0.8 part of dispersing agent, 0.2-0.4 part of wetting agent, 0.4-0.6 part of defoaming agent, 0.4-0.6 part of dispersion stabilizer, 6-10 parts of rutile titanium dioxide, 16-20 parts of modified composite silicate toughening powder capable of carrying out bonding reaction with hydroxyl functional groups of nano inorganic silicon modified silicate solution and 4-8 parts of barium sulfate; 2-4 parts of acrylic emulsion, 0.1-0.2 part of film-forming assistant, 30-32 parts of nano inorganic silicon modified silicate solution, 0.2-0.4 part of thickening and leveling agent and 1-3 parts of inorganic pigment color paste. The invention solves the problems of poor wear resistance, easy fading, poor water and air permeability and long construction period of the traditional organic coating in the field of urban green road coating.
Description
Technical Field
The invention relates to the technical field of building decoration functional coatings, in particular to an urban green road inorganic silicate coating and a preparation method thereof.
Background
The concept of the sponge city is put forward in a 2012 low-carbon city and a 2012 regional development science and technology forum for the first time, namely measures such as seepage, stagnation, storage, purification, use and drainage are taken, limited rainwater is preferentially reserved when an urban drainage system is promoted, more natural force is preferentially used for drainage, and the sponge city with natural deposit, natural seepage and natural purification is built. The urban green road is a green open space which can be used for pedestrians and riders to enter, has good natural landscape and mainly has a leisure function, and can fully embody the personal information of the city. How to bring city green road construction into sponge city management is always an important work.
At present, the traditional process is to lay large-particle sand concrete on a road surface, and then coat a colored organic coating (such as an acrylic acid system, a polyurethane system and the like) on the surface of the concrete, but due to the performance limitation of an organic coating, the use effect is often not ideal, the problems of poor wear resistance, fast color fading, poor decoration and use effect caused by paint film damage and the like occur, more serious is that a compact coating film is formed on the surface layer of the large-particle sand concrete after the organic coating is dried, a concrete water seepage channel is blocked, the effect of a sponge city required by the country cannot be achieved, and the problem of paint film bulging and falling caused by the obstruction of underground water and air rising channels is easily caused. And the organic coating needs to be applied to a dry base layer after complete curing, so that the construction period is long.
Disclosure of Invention
The invention aims to solve the technical problem of providing an urban green road inorganic silicate coating and a preparation method thereof, and simultaneously, inorganic toughening powder is utilized in the formula to balance the hardness and toughness of the inorganic coating, so that the problems of poor wear resistance, easy fading, poor water and air permeability and long construction period of the traditional organic coating in the field of urban green road coating are solved, and the application of the inorganic coating in the field of sponge cities is promoted.
In order to solve the technical problem, the invention provides an urban green road inorganic silicate coating which is prepared by mixing and modulating the following components in parts by weight:
27.9-30.4 parts of water, 0.3-0.5 part of ethyl hydroxyethyl cellulose, 0.6-0.8 part of dispersing agent, 0.2-0.4 part of wetting agent, 0.4-0.6 part of defoaming agent, 0.4-0.6 part of dispersion stabilizer, 6-10 parts of rutile titanium dioxide, 16-20 parts of modified composite silicate toughening powder capable of carrying out bonding reaction with hydroxyl functional groups of nano inorganic silicon modified silicate solution and 4-8 parts of barium sulfate;
2-4 parts of acrylic emulsion, 0.1-0.2 part of film-forming assistant, 30-32 parts of nano inorganic silicon modified silicate solution, 0.2-0.4 part of thickening and leveling agent and 1-3 parts of inorganic pigment color paste.
As a preferred mode, 29.15 parts of water, 0.4 part of ethyl hydroxyethyl cellulose, 0.7 part of a dispersing agent, 0.3 part of a wetting agent, 0.5 part of a defoaming agent, 0.5 part of a dispersion stabilizer, 8 parts of rutile titanium dioxide, 18 parts of modified composite silicate toughening powder and 6 parts of barium sulfate;
3 parts of acrylic emulsion, 0.15 part of film-forming additive, 31 parts of nano inorganic silicon modified silicate solution, 0.3 part of thickening and leveling agent and 2 parts of inorganic pigment color paste.
As a preferable mode, the appearance of the nano inorganic silicon modified silicate solution is colorless transparent viscous liquid, the solid content is 30 percent, the pH value is 8.0-11.0, the viscosity is less than 10cps, and the content of organic matters is less than 0.1 percent; the appearance of the modified composite silicate toughening powder is light grey white fine powder, the pH value of a water suspension is 7.0-8.5, and the relative density is 2.6-2.7; the inorganic pigment color paste is special color paste for the Kelaien inorganic paint.
The invention provides a preparation method of an urban green road inorganic silicate coating, which comprises the following steps:
step one, adding 27.9-30.4 parts of water into a container, then adding 0.3-0.5 part of ethyl hydroxyethyl cellulose under stirring, stirring and dispersing, then sequentially adding 0.6-0.8 part of dispersing agent, 0.2-0.4 part of wetting agent, 0.4-0.6 part of defoaming agent, 0.4-0.6 part of dispersion stabilizer, 6-10 parts of rutile titanium dioxide, 16-20 parts of modified composite silicate toughening powder and 4-8 parts of barium sulfate under stirring, and dispersing at high speed after adding;
and step two, after the dispersion is finished, reducing the rotating speed, sequentially adding 2-4 parts of acrylic emulsion, 0.1-0.2 part of film-forming additive, 30-32 parts of nano inorganic silicon modified silicate solution and 0.2-0.4 part of thickening and leveling agent, stirring and mixing uniformly after the addition is finished, then adding 1-3 parts of inorganic pigment color paste under the stirring state, stirring uniformly, and preparing the inorganic silicate paint with the required color.
The invention relates to an urban green road inorganic silicate coating and a preparation method thereof, compared with the existing design, the urban green road inorganic silicate coating has the advantages that: according to the invention, nano inorganic silicon is utilized to modify the traditional silicate, so that the modified silicate solution structurally has more hydroxyl functional groups for crosslinking reaction, the strength and the wear resistance of a crosslinked paint film are greatly improved, and the hardness and the toughness of the inorganic coating are balanced by adding the modified composite silicate toughening powder capable of carrying out bonding reaction with the hydroxyl functional groups of the nano inorganic silicon modified silicate; when in color matching, inorganic pigment color paste is adopted to replace organic pigment color paste; solves the problems of poor use strength, poor wear resistance, easy fading, poor water permeability and air permeability and long construction period of the traditional organic coating in the field of urban green road coating, and promotes the application of the inorganic coating in the field of sponge cities.
The inorganic silicate coating of the invention takes alkali metal silicate modified by nano inorganic silicon as a binder, and can fully generate silicification reaction with polyvalent metal ions such as carbonate, aluminate, sulfate and the like in concrete and sand after being used, thereby generating a very firm bonding body. The formed inorganic silicate coating has the hardness of 5H, extremely high wear resistance and excellent weather resistance. The silicate coating can permeate into large-particle sand concrete to carry out petrochemical reaction, forms a natural porous structure and cannot block a concrete water seepage channel, so that the silicate coating has good water permeability, rainwater can easily permeate into soil at the lower layer of a green channel, underground water vapor can easily permeate through a silicate coating film at high temperature in sunny days without the defect that the organic coating is easy to bulge and fall off, and the breathable coating structure can really realize the sponge effect required by urban roads. And the inorganic silicate coating can be constructed on the wet concrete base layer which is not completely cured, so that the construction period can be greatly shortened.
Detailed Description
The technical solution of the present invention will be further described below by way of examples, and each example is only a preferred embodiment to describe the technical solution of the present invention, and is not to be construed as limiting the present invention.
The components of the invention are all the products which are commercially available. In the present invention, "parts" mean parts by weight.
The invention provides an urban green road inorganic silicate coating which is prepared by mixing and modulating the following components in parts by weight:
27.9-30.4 parts of water, 0.3-0.5 part of ethyl hydroxyethyl cellulose, 0.6-0.8 part of dispersing agent, 0.2-0.4 part of wetting agent, 0.4-0.6 part of defoaming agent, 0.4-0.6 part of dispersion stabilizer, 6-10 parts of rutile titanium dioxide, 16-20 parts of modified composite silicate toughening powder and 4-8 parts of barium sulfate;
2-4 parts of acrylic emulsion, 0.1-0.2 part of film-forming assistant, 30-32 parts of nano inorganic silicon modified silicate solution, 0.2-0.4 part of thickening and leveling agent and 1-3 parts of inorganic pigment color paste.
The nano inorganic silicon modified silicate solution is colorless transparent viscous liquid in appearance, has the solid content of 30 percent, the pH value (25 ℃) of 8.0-11.0 and the viscosity (25 ℃)<10cps, organic content<0.1 percent; the appearance of the modified composite silicate toughening powder is light grey white fine powder, the pH value of a 10 mass percent aqueous suspension is 7.0-8.5, and the relative density is 2.6-2.7; the ethyl hydroxyethyl cellulose is white powder in appearance, and the particle size of the ethyl hydroxyethyl cellulose is 98 percent<500 μm, water content<4% of salt content<5%, a pH value (1% aqueous solution) of 5 to 7, and a viscosity (1% aqueous solution) at 20 ℃ of 3000 to 4000 mPa.s; the dispersing agent is low-molecular-weight polyacrylate sodium salt, the appearance of the dispersing agent is clear to semitransparent liquid, the solid content of the dispersing agent is 41-44%, the specific gravity (at 25 ℃) of the dispersing agent is 1.30, and the pH value of the dispersing agent is 7-8; the wetting agent is transparent liquid at the appearance (25 ℃), the active matter content is about 70%, the pH value (1% aqueous solution) is 6-8, and the viscosity is about 640mpa.s at the temperature of 25 ℃; the defoaming agent is polyether siloxane copolymer emulsion, the appearance of the defoaming agent is white thixotropic liquid, the nonvolatile content of the defoaming agent is 22.0-26.0%, the viscosity of the defoaming agent at 25 ℃ is 50-150 mPa.s, and the pH value of the defoaming agent is 7-9; the dispersion stabilizer is viscous liquid in appearance, the solid component is 48-52%, the pH value is about 10-11, and the specific gravity (25 ℃) is 1.12; the rutile titanium dioxide and TiO2Content (c) of>90 percent, the pH value of the aqueous suspension is 7.0 to 8.5, and the oil absorption is less than or equal to 20g/100 g; the barium sulfate is white powder in appearance, 800 meshes, 4.25-4.5 g/mL in density and less than or equal to 25g/100g in oil absorption; the acrylic emulsion is milky white liquid in appearance, the solid content (%) is 48 +/-1, the pH value is 7.5-9.0, and the MFT is about 20 ℃; the film-forming auxiliary agent is an alcohol ester high-boiling-point organic compound; the thickening and leveling agent is associated hydrophobic modified polyurethane, is gray-white to beige turbid viscous liquid in appearance, has the solid content of 19-21 percent, the pH value of 5.0-8.0 and the density of 1.02-1.08 g/cm3Viscosity of<10000 cps; said is free ofThe organic pigment color paste is special color paste for the Kelaien inorganic coating.
Particularly, the nano inorganic silicon modified silicate solution is a product sold by Foshan lotus leaves in the chemical industry and with the model of WJ-8801; the modified composite silicate toughening powder is a product with SR-637 type sold in the chemical industry of Foshan lotus leaves; the ethyl hydroxyethyl cellulose is a product of EBS451FQ made by Aksu corporation; the dispersant is a product with the model number of FLOSPERSE 3000 produced by France Edison company; the wetting agent is a product with the model number of LCN407 produced by German Clariant company; the antifoaming agent is a product sold by Shenzhen Hairun company and having the model number of CF-1615; the dispersion stabilizer is a product of Dispersogen S PLUS, a model number produced by Germany Kelaien company; the rutile titanium dioxide is a product with the model of R-2195 produced by Shandong Daien company; the barium sulfate is a product sold by Foshan Taihe mining company; the acrylic emulsion is a product of Acroanl 296DS manufactured by BASF corporation; the film-forming assistant is a product with the model number of RUGER RE70 produced by Luge chemical company; the thickening and leveling agent is a product sold by Shenzhen Hairun company and with the model number of TU 2881; the inorganic pigment color paste is an SX series aqueous product produced by Guangzhou Kedi company.
The components, weights and amounts of each component of examples 1-3 and comparative examples 1-2 are shown in table one; in comparative example 1, calcium carbonate is used to replace the modified composite silicate toughening powder; in comparative example 2, the aqueous organic color paste produced by Guangzhou Kedi corporation was used for toning; and a commercially available conventional polyurethane urban greenway paint was purchased and tested as comparative example 3, which is a polyurethane as the primary film-forming material.
Watch 1
Example 1
The embodiment provides a preparation method of an urban green road inorganic silicate coating, which comprises the following steps:
step one, adding 27.9kg of water into a production cylinder, then adding 0.5kg of ethyl hydroxyethyl cellulose under stirring, dispersing for 30min at the rotating speed of 400 r/min, then sequentially adding 0.6kg of dispersing agent, 0.2kg of wetting agent, 0.6kg of defoaming agent, 0.6kg of dispersion stabilizer, 6.0kg of rutile titanium dioxide, 20.0kg of modified composite silicate toughening powder and 4.0kg of 800-mesh barium sulfate under stirring, increasing the stirring speed to 1500 r/min after the addition is finished, and dispersing for 30min at a high speed.
And step two, after the dispersion is finished, reducing the rotating speed to 800 revolutions per minute, sequentially adding 4.0kg of acrylic emulsion, 0.2kg of film-forming assistant, 32.0kg of nano inorganic silicon modified silicate solution and 0.4kg of thickening and leveling agent, and stirring and mixing for 10-15 min at the rotating speed of 800 revolutions per minute after the addition is finished. After being mixed evenly, 3.0kg of inorganic pigment color paste is added under stirring, and the inorganic silicate paint with the required color is prepared after even stirring.
Example 2
The embodiment provides a preparation method of an urban green road inorganic silicate coating, which comprises the following steps:
step one, adding 29.15kg of water into a production cylinder, then adding 0.4kg of ethyl hydroxyethyl cellulose under stirring, dispersing for 30min at the rotating speed of 400 r/min, then sequentially adding 0.7kg of dispersing agent, 0.3kg of wetting agent, 0.5kg of defoaming agent, 0.5kg of dispersion stabilizer, 8.0kg of rutile titanium dioxide, 18.0kg of modified composite silicate toughening powder and 6.0kg of 800-mesh barium sulfate under stirring, increasing the stirring speed to 1500 r/min after the addition, and dispersing for 30min at a high speed.
And step two, after the dispersion is finished, reducing the rotating speed to 800 revolutions per minute, sequentially adding 3.0kg of acrylic emulsion, 0.15kg of film-forming assistant, 31.0kg of nano inorganic silicon modified silicate solution and 0.3kg of thickening and leveling agent, and stirring and mixing for 10-15 min at 800 revolutions per minute after the addition is finished. After being mixed evenly, 2.0kg of inorganic pigment color paste is added and stirred evenly to prepare the inorganic silicate paint with the required color.
Example 3
The embodiment provides a preparation method of an urban green road inorganic silicate coating, which comprises the following steps:
step one, adding 30.4kg of water into a production cylinder, then adding 0.3kg of ethyl hydroxyethyl cellulose under stirring, dispersing for 30min at the rotating speed of 400 r/min, then sequentially adding 0.8kg of dispersing agent, 0.4kg of wetting agent, 0.4kg of defoaming agent, 0.4kg of dispersion stabilizer, 10.0kg of rutile titanium dioxide, 16.0kg of modified composite silicate toughening powder and 8.0kg of 800-mesh barium sulfate under stirring, increasing the stirring speed to 1500 r/min after the addition is finished, and dispersing for 30min at a high speed.
And step two, after the dispersion is finished, reducing the rotating speed to 800 revolutions per minute, sequentially adding 2.0kg of acrylic emulsion, 0.1kg of film-forming assistant, 30.0kg of nano inorganic silicon modified silicate solution and 0.2kg of thickening and leveling agent, and stirring and mixing for 10-15 min at 800 revolutions per minute after the addition is finished. After being mixed evenly, 1.0kg of inorganic pigment color paste is added and stirred evenly to prepare the inorganic silicate paint with the required color.
Comparative example 1
Adding 29.15kg of water into a production cylinder, then adding 0.4kg of ethyl hydroxyethyl cellulose under stirring, dispersing for 30min at the rotating speed of 400 r/min, then adding 0.7kg of dispersing agent, 0.3kg of wetting agent, 0.5kg of defoaming agent, 0.5kg of dispersion stabilizer, 8.0kg of rutile titanium dioxide, 18.0kg of 700-mesh calcium carbonate and 6.0kg of 800-mesh barium sulfate in turn under stirring, increasing the stirring speed to 1500 r/min after the addition is finished, and dispersing for 30min at a high speed.
After the dispersion is finished, the rotating speed is reduced to 800 revolutions per minute, 3.0kg of acrylic emulsion, 0.15kg of film forming additive, 31.0kg of nano inorganic silicon modified silicate solution and 0.3kg of thickening and leveling agent are sequentially added, and the mixture is stirred and mixed for 10-15 min at 800 revolutions per minute after the addition is finished. After mixing uniformly, 2.0kg of SX series inorganic water-based color paste of Guangzhou Kedi company is added and stirred uniformly to prepare the coating with the required color.
Comparative example 2
Adding 29.15kg of water into a production cylinder, then adding 0.4kg of ethyl hydroxyethyl cellulose under stirring, dispersing for 30min at the rotating speed of 400 r/min, then adding 0.7kg of dispersing agent, 0.3kg of wetting agent, 0.5kg of defoaming agent, 0.5kg of dispersion stabilizer, 8.0kg of rutile titanium dioxide, 18.0kg of modified composite silicate toughening powder and 6.0kg of 800-mesh barium sulfate in sequence under stirring, increasing the stirring speed to 1500 r/min after the addition is finished, and dispersing for 30min at a high speed.
After the dispersion is finished, the rotating speed is reduced to 800 revolutions per minute, 3.0kg of acrylic emulsion, 0.15kg of film forming additive, 31.0kg of nano inorganic silicon modified silicate solution and 0.3kg of thickening and leveling agent are sequentially added, and the mixture is stirred and mixed for 10-15 min at 800 revolutions per minute after the addition is finished. After being mixed evenly, 2.0kg of organic water-based color paste is added and stirred evenly to prepare the coating with the required color.
Comparative example 3
A commercially available conventional polyurethane urban greenway paint was purchased as comparative example 3.
The inorganic silicate coatings prepared in the examples 1 to 3 of the invention and the comparative examples 1 to 3 were tested according to the following relevant test standards, and the performance test results are shown in the following table two.
Watch two
From the results in table two, it can be seen that the urban green road inorganic silicate paint prepared by the technology of the present invention uses the nano inorganic silicon modified silicate solution as the main film forming substance instead of the traditional organic materials (such as acrylic acid, polyurethane, etc.) compared with comparative example 1, comparative example 2, and comparative example 3; the hardness and toughness of the inorganic coating are balanced by adding the modified composite silicate toughening powder which can generate bonding reaction with the hydroxyl functional group of the nano inorganic silicon modified silicate film forming substance; when in color matching, inorganic pigment color paste is adopted to replace organic pigment color paste. The product prepared according to the technology has higher hardness, better base layer adhesive force, lower abrasion, faster water permeability, stronger color retention and more proper construction property, effectively solves the problems of poor use strength, poor abrasion resistance, easy fading, poor water permeability and air permeability and long construction period of the traditional organic coating in the field of urban green road coating, and promotes the application of the inorganic coating in the field of sponge cities.
Claims (4)
1. The urban green road inorganic silicate coating is characterized by being prepared by mixing and modulating the following components in parts by weight: 27.9-30.4 parts of water, 0.3-0.5 part of ethyl hydroxyethyl cellulose, 0.6-0.8 part of dispersing agent, 0.2-0.4 part of wetting agent, 0.4-0.6 part of defoaming agent, 0.4-0.6 part of dispersion stabilizer, 6-10 parts of rutile titanium dioxide, 16-20 parts of modified composite silicate toughening powder capable of carrying out bonding reaction with hydroxyl functional groups of nano inorganic silicon modified silicate solution and 4-8 parts of barium sulfate; 2-4 parts of acrylic emulsion, 0.1-0.2 part of film-forming assistant, 30-32 parts of nano inorganic silicon modified silicate solution, 0.2-0.4 part of thickening and leveling agent and 1-3 parts of inorganic pigment color paste; the total weight of the parts by weight is 100 parts; the nano inorganic silicon modified silicate solution is a product sold in the chemical industry of Foshan lotus leaves with the model of WJ-8801; the modified composite silicate toughening powder is a product with SR-637 type sold in the chemical industry of Foshan lotus leaves.
2. The urban green road inorganic silicate coating according to claim 1, which is prepared by mixing and blending the following components in parts by weight: 29.15 parts of water, 0.4 part of ethyl hydroxyethyl cellulose, 0.7 part of a dispersing agent, 0.3 part of a wetting agent, 0.5 part of a defoaming agent, 0.5 part of a dispersion stabilizer, 8 parts of rutile titanium dioxide, 18 parts of modified composite silicate toughening powder and 6 parts of barium sulfate; 3 parts of acrylic emulsion, 0.15 part of film-forming additive, 31 parts of nano inorganic silicon modified silicate solution, 0.3 part of thickening and leveling agent and 2 parts of inorganic pigment color paste.
3. The urban green-road inorganic silicate coating according to claim 1 or 2, wherein the nano inorganic silicon modified silicate solution is colorless transparent viscous liquid in appearance, has a solid content of 30%, a pH value of 8.0-11.0, a viscosity of less than 10cps, and an organic content of less than 0.1%; the appearance of the modified composite silicate toughening powder is light grey white fine powder, the pH value of a water suspension is 7.0-8.5, and the relative density is 2.6-2.7.
4. A method of preparing the urban green road inorganic silicate paint according to claim 1, comprising the steps of: step one, adding 27.9-30.4 parts of water into a container, then adding 0.3-0.5 part of ethyl hydroxyethyl cellulose under stirring, stirring and dispersing, then sequentially adding 0.6-0.8 part of dispersing agent, 0.2-0.4 part of wetting agent, 0.4-0.6 part of defoaming agent, 0.4-0.6 part of dispersion stabilizer, 6-10 parts of rutile titanium dioxide, 16-20 parts of modified composite silicate toughening powder and 4-8 parts of barium sulfate under stirring, and dispersing at high speed after adding; and step two, after the dispersion is finished, reducing the rotating speed, sequentially adding 2-4 parts of acrylic emulsion, 0.1-0.2 part of film-forming additive, 30-32 parts of nano inorganic silicon modified silicate solution and 0.2-0.4 part of thickening and leveling agent, stirring and mixing uniformly after the addition is finished, then adding 1-3 parts of inorganic pigment color paste under the stirring state, stirring uniformly, and preparing the inorganic silicate paint with the required color.
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| CN1923910A (en) * | 2005-08-31 | 2007-03-07 | 宝山钢铁股份有限公司 | Fire resistant water-based self-adhesion coating |
| CN101955348A (en) * | 2009-07-15 | 2011-01-26 | 深圳市博兆科技有限公司 | Method for preparing cement-based water-based composite nano-silicate inorganic functional sol |
| CN105348874A (en) * | 2015-12-08 | 2016-02-24 | 唐懿 | Colorized cement paint and preparation method thereof |
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| CN107739189A (en) * | 2017-11-22 | 2018-02-27 | 河南华彩无机涂料有限公司 | Super abrasive, fire protection flame retarding mineral floor coatings and preparation method thereof |
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| CN103881431B (en) * | 2014-03-24 | 2016-04-13 | 浙江大学 | A kind of silane coupler modified lithium silicate base coating and preparation method thereof |
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| CN1923910A (en) * | 2005-08-31 | 2007-03-07 | 宝山钢铁股份有限公司 | Fire resistant water-based self-adhesion coating |
| CN101955348A (en) * | 2009-07-15 | 2011-01-26 | 深圳市博兆科技有限公司 | Method for preparing cement-based water-based composite nano-silicate inorganic functional sol |
| CN105348874A (en) * | 2015-12-08 | 2016-02-24 | 唐懿 | Colorized cement paint and preparation method thereof |
| CN105694550A (en) * | 2016-03-16 | 2016-06-22 | 陈威 | Single-component waterborne inorganic terrace paint formula and manufacturing technology |
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