CN105504914B - A kind of multifunctional nano external wall environment-friendly and green coating and preparation method thereof - Google Patents
A kind of multifunctional nano external wall environment-friendly and green coating and preparation method thereof Download PDFInfo
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- CN105504914B CN105504914B CN201511008874.2A CN201511008874A CN105504914B CN 105504914 B CN105504914 B CN 105504914B CN 201511008874 A CN201511008874 A CN 201511008874A CN 105504914 B CN105504914 B CN 105504914B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- 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
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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Abstract
The invention discloses a kind of multifunctional nano external wall environment-friendly and green coating, in parts by weight, including following components：20 50 parts of aqueous acrylic emulsion, 48 parts of butyl acrylate, nano-TiO212 parts, 1 1.5 parts of pearl mica powder, 0.5 1 parts of hollow glass micropearl, 0.8 1.2 parts of calgon, 1.1 1.5 parts of ethoxylated alkylphenol ammonium sulfate, 0.5 1 parts of propyl trimethoxy silicane, 23 parts of pH adjusting agent, 25 parts of other auxiliary agents, 10 20 parts of deionized water.The invention also discloses the preparation methods of the coating.The coating film performance is good, and weatherability, flushing resistance are excellent, strong adhesive force, and nontoxic, environmental sound, and preparation method is simple, and process conditions are mild, easily controllable, and production cost is low.
Description
Technical field：
The present invention relates to coating preparation fields, are specifically related to a kind of multifunctional nano external wall environment-friendly and green coating.
Background technology：
China's building energy consumption accounts for about 28% or so of whole energy consumptions at present, with the improvement of people's living standards, building
Energy consumption proportion is built also to will continue to increase.Building coating because it is economical, light, it is easy for construction the advantages that and more and more answer
For in building.But the application environment of building coating especially exterior coating is more severe, ultraviolet light, thermal energy, microorganism,
Water, air heavy contaminant can cause the aging of polymer in coating.
Present building external paint, it is poor to be mainly manifested in ageing resistance, easy dusting, easy to change, poor adhesive force, easily de-
It falls, water resistance, stain resistant poor performance, this not only influences the decoration to building, and influences the protection to building.Therefore
The performance of external wall is improved, especially its ageing-resistant performance is the key that coating development.
Chinese patent (03118029.9, publication date：2003.1.20) disclose a kind of multifunctional nano external wall painting
Material, group are divided into：Water, dispersant, calgon, preservative, thickener, antifoaming agent, nano TiO 2, nano-ZnO, nanometer
SiO2, sericite, calcium carbonate superfine powder, titanium dioxide, kaolin, silicone acrylic emulsion, ammonium hydroxide, coalescents, levelling agent, antifreezing agent.It should
It invents the coating comprehensive performance being prepared to increase, especially superpower abrasion resistance, weatherability and antibiosis and self-cleaning functions,
But the dispersibility of Nano filling is poor, the coating film performance being prepared is poor.
Invention content：
The object of the present invention is to provide a kind of multifunctional nano external wall environment-friendly and green coating, the coating film performances
Good, weatherability, flushing resistance are excellent, strong adhesive force, and nontoxic, environmental sound.
It is a further object to provide the preparation methods of the multifunctional nano external wall environment-friendly and green coating.
To achieve the above object, the present invention uses following technical scheme：
A kind of multifunctional nano external wall environment-friendly and green coating, in parts by weight, including following components：
20-50 parts of aqueous acrylic emulsion,
4-8 parts of butyl acrylate,
Nano-TiO21-2 parts,
1-1.5 parts of pearl mica powder,
0.5-1 parts of hollow glass micropearl,
0.8-1.2 parts of calgon,
1.1-1.5 parts of ethoxylated alkylphenol ammonium sulfate,
0.5-1 parts of propyl trimethoxy silicane,
2-3 parts of pH adjusting agent,
2-5 parts of other auxiliary agents,
10-20 parts of deionized water.
As a preferred embodiment of the above technical solution, a kind of multifunctional nano external wall environment-friendly and green coating, in parts by weight,
Including following components：
50 parts of aqueous acrylic emulsion,
6 parts of butyl acrylate,
Nano-TiO21.5 parts,
1.3 parts of pearl mica powder,
0.7 part of hollow glass micropearl,
1 part of calgon,
1.3 parts of ethoxylated alkylphenol ammonium sulfate,
1 part of propyl trimethoxy silicane,
2.5 parts of pH adjusting agent,
4 parts of other auxiliary agents,
20 parts of deionized water.
As a preferred embodiment of the above technical solution, the nano-TiO2Particle size be 10-15nm, received for Anatase
Rice titanium oxide.
As a preferred embodiment of the above technical solution, the loose thickness of the pearl mica powder is 0.15-0.2g/cm3。
As a preferred embodiment of the above technical solution, the granularity of the hollow glass micropearl is 10-20 microns, and wall thickness is that 1-2 is micro-
Rice.
As a preferred embodiment of the above technical solution, other described auxiliary agents in parts by weight, including 1-2 parts of antifoaming agent, dispersant
1.5-2 parts, 0.5-1.5 parts of levelling agent, 1-2 parts of thickener, 2-3 parts of coalescents.
As a preferred embodiment of the above technical solution, the dispersant is copolymer of maleic anhydride and acrylic acid, alpha-alkene sulfonate
Mixture, the two mass ratio be 1:2.
As a preferred embodiment of the above technical solution, the coalescents are polyvinyl alcohol, vinyltriethoxysilane, alkyl
The mixture of phenol polyethenoxy ether.
As a preferred embodiment of the above technical solution, the pH adjusting agent is in acetic acid, sodium acetate, citric acid, sodium citrate
One or more mixing.
A kind of preparation method of multifunctional nano external wall environment-friendly and green coating, includes the following steps：
(1) by nano-TiO2, pearl mica powder, hollow glass micropearl, calgon and deionized water be mixed it is equal
Even, the ultrasound 1-3h under the power of 500-1000W continuously adds other auxiliary agents, continues ultrasound 30-60min, obtains dispersion liquid；
(2) aqueous acrylic emulsion, butyl acrylate, propyl trimethoxy silicane are added in homogenizer and are mixed
Uniformly, 20-50min is stirred in the state of 3000-6000 revs/min, and ethoxylated alkylphenol ammonium sulfate, step are added while stirring
Suddenly the dispersion liquid that (1) obtains continues to stir 20-40min, pH adjusting agent is added, is uniformly mixed, obtains multifunctional nano and build
Build exterior wall environment-friendly and green coating.
The invention has the advantages that：
The present invention selects suitable dispersant and dispersing technology to nano-TiO2, pearl mica powder, hollow glass micropearl
Surface modification is carried out, the dispersion liquid of excellent in stability is prepared, is then mixed with aqueous acrylic emulsion, the coating of preparation
Film performance is good, and weatherability, flushing resistance are excellent, and strong adhesive force, heat-insulating capability is strong, and nontoxic, environmental sound.
Specific implementation mode：
In order to preferably explain the present invention, below by embodiment, the present invention is further described, and embodiment is served only for solving
The present invention is released, any limitation will not be constituted to the present invention.
Embodiment 1
A kind of multifunctional nano external wall environment-friendly and green coating, in parts by weight, including following components：
20 parts of aqueous acrylic emulsion, 4 parts of butyl acrylate,
Nano-TiO21 part, 1 part of pearl mica powder,
0.5 part of hollow glass micropearl, 0.8 part of calgon,
1.1 parts of ethoxylated alkylphenol ammonium sulfate, 0.5 part of propyl trimethoxy silicane,
2 parts of pH adjusting agent, 2 parts of other auxiliary agents, 10 parts of deionized water.
Preparation method includes the following steps：
(1) by nano-TiO2, pearl mica powder, hollow glass micropearl, calgon and deionized water be mixed it is equal
Even, the ultrasound 1h under the power of 500W continuously adds other auxiliary agents, continues ultrasound 30min, obtains dispersion liquid；
(2) aqueous acrylic emulsion, butyl acrylate, propyl trimethoxy silicane are added in homogenizer and are mixed
Uniformly, 20min is stirred in the state of 3000 revs/min, ethoxylated alkylphenol ammonium sulfate is added while stirring, step (1) obtains
The dispersion liquid arrived continues to stir 20min, pH adjusting agent is added, is uniformly mixed, and obtains multifunctional nano external wall environmental protection
Green coating.
Embodiment 2
A kind of multifunctional nano external wall environment-friendly and green coating, in parts by weight, including following components：
50 parts of aqueous acrylic emulsion, 8 parts of butyl acrylate,
Nano-TiO22 parts, 1.5 parts of pearl mica powder,
1 part of hollow glass micropearl, 1.2 parts of calgon,
1.5 parts of ethoxylated alkylphenol ammonium sulfate, 1 part of propyl trimethoxy silicane,
3 parts of pH adjusting agent, 5 parts of other auxiliary agents, 20 parts of deionized water.
Preparation method includes the following steps：
(1) by nano-TiO2, pearl mica powder, hollow glass micropearl, calgon and deionized water be mixed it is equal
Even, the ultrasound 3h under the power of 1000W continuously adds other auxiliary agents, continues ultrasound 60min, obtains dispersion liquid；
(2) aqueous acrylic emulsion, butyl acrylate, propyl trimethoxy silicane are added in homogenizer and are mixed
Uniformly, 50min is stirred in the state of 6000 revs/min, ethoxylated alkylphenol ammonium sulfate is added while stirring, step (1) obtains
The dispersion liquid arrived continues to stir 40min, pH adjusting agent is added, is uniformly mixed, and obtains multifunctional nano external wall environmental protection
Green coating.
Embodiment 3
A kind of multifunctional nano external wall environment-friendly and green coating, in parts by weight, including following components：
50 parts of aqueous acrylic emulsion, 6 parts of butyl acrylate,
Nano-TiO21.5 parts, 1.3 parts of pearl mica powder,
0.7 part of hollow glass micropearl, 1 part of calgon,
1.3 parts of ethoxylated alkylphenol ammonium sulfate, 1 part of propyl trimethoxy silicane,
2.5 parts of pH adjusting agent, 4 parts of other auxiliary agents, 20 parts of deionized water.
Preparation method includes the following steps：
(1) by nano-TiO2, pearl mica powder, hollow glass micropearl, calgon and deionized water be mixed it is equal
Even, the ultrasound 1.5h under the power of 600W continuously adds other auxiliary agents, continues ultrasound 35min, obtains dispersion liquid；
(2) aqueous acrylic emulsion, butyl acrylate, propyl trimethoxy silicane are added in homogenizer and are mixed
Uniformly, 30min is stirred in the state of 3500 revs/min, ethoxylated alkylphenol ammonium sulfate is added while stirring, step (1) obtains
The dispersion liquid arrived continues to stir 25min, pH adjusting agent is added, is uniformly mixed, and obtains multifunctional nano external wall environmental protection
Green coating.
Embodiment 4
A kind of multifunctional nano external wall environment-friendly and green coating, in parts by weight, including following components：
30 parts of aqueous acrylic emulsion, 5 parts of butyl acrylate,
Nano-TiO21.4 parts, 1.1 parts of pearl mica powder,
0.6 part of hollow glass micropearl, 0.9 part of calgon,
1.2 parts of ethoxylated alkylphenol ammonium sulfate, 0.6 part of propyl trimethoxy silicane,
2.4 parts of pH adjusting agent, 3 parts of other auxiliary agents, 14 parts of deionized water.
Preparation method includes the following steps：
(1) by nano-TiO2, pearl mica powder, hollow glass micropearl, calgon and deionized water be mixed it is equal
Even, the ultrasound 1.8h under the power of 700W continuously adds other auxiliary agents, continues ultrasound 45min, obtains dispersion liquid；
(2) aqueous acrylic emulsion, butyl acrylate, propyl trimethoxy silicane are added in homogenizer and are mixed
Uniformly, 35min is stirred in the state of 4000 revs/min, ethoxylated alkylphenol ammonium sulfate is added while stirring, step (1) obtains
The dispersion liquid arrived continues to stir 30min, pH adjusting agent is added, is uniformly mixed, and obtains multifunctional nano external wall environmental protection
Green coating.
Embodiment 5
A kind of multifunctional nano external wall environment-friendly and green coating, in parts by weight, including following components：
40 parts of aqueous acrylic emulsion, 6 parts of butyl acrylate,
Nano-TiO21.6 parts, 1.2 parts of pearl mica powder,
0.7 part of hollow glass micropearl, 1 part of calgon,
1.3 parts of ethoxylated alkylphenol ammonium sulfate, 0.7 part of propyl trimethoxy silicane,
2.6 parts of pH adjusting agent, 4 parts of other auxiliary agents, 16 parts of deionized water.
Preparation method includes the following steps：
(1) by nano-TiO2, pearl mica powder, hollow glass micropearl, calgon and deionized water be mixed it is equal
Even, the ultrasound 2h under the power of 800W continuously adds other auxiliary agents, continues ultrasound 50min, obtains dispersion liquid；
(2) aqueous acrylic emulsion, butyl acrylate, propyl trimethoxy silicane are added in homogenizer and are mixed
Uniformly, 40min is stirred in the state of 4500 revs/min, ethoxylated alkylphenol ammonium sulfate is added while stirring, step (1) obtains
The dispersion liquid arrived continues to stir 35min, pH adjusting agent is added, is uniformly mixed, and obtains multifunctional nano external wall environmental protection
Green coating.
Embodiment 6
A kind of multifunctional nano external wall environment-friendly and green coating, in parts by weight, including following components：
45 parts of aqueous acrylic emulsion, 7 parts of butyl acrylate,
Nano-TiO21.8 parts, 1.3 parts of pearl mica powder,
0.8 part of hollow glass micropearl, 1.1 parts of calgon,
1.4 parts of ethoxylated alkylphenol ammonium sulfate, 0.9 part of propyl trimethoxy silicane,
2.6 parts of pH adjusting agent, 4.5 parts of other auxiliary agents, 18 parts of deionized water.
Preparation method includes the following steps：
(1) by nano-TiO2, pearl mica powder, hollow glass micropearl, calgon and deionized water be mixed it is equal
Even, the ultrasound 2.5h under the power of 900W continuously adds other auxiliary agents, continues ultrasound 55min, obtains dispersion liquid；
(2) aqueous acrylic emulsion, butyl acrylate, propyl trimethoxy silicane are added in homogenizer and are mixed
Uniformly, 45min is stirred in the state of 5000 revs/min, ethoxylated alkylphenol ammonium sulfate is added while stirring, step (1) obtains
The dispersion liquid arrived continues to stir 40min, pH adjusting agent is added, is uniformly mixed, and obtains multifunctional nano external wall environmental protection
Green coating.
Multifunctional nano external wall environment-friendly and green coating provided by the invention is tested below.
1, the water resistance of film
The water resistance of film is measured by GB/T 1733-93.Experiment is using immersion test method.First by plate
Material is handled well according to standard, and deionized water is then added into glass flume, adjusts 23-25 DEG C of water temperature, and in the whole process
It keeps temperature-resistant, model is put into wherein, and make the 2/3 of every piece of model to be soaked in water.The soaking time as defined in product
Model is taken out from slot, is blotted with filter paper by interior end, and whether visual inspection model has loss of gloss, discoloration, blistering, corrugation, takes off
Phenomena such as falling, getting rusty.
2, film adhesive
Using cross-hatching, the sample handled well is scratched coating the bottom of until by standard QJ990.14-1986 with razor blade
Then plate determines according to the thickness of film and draws compartment away from coating layer thickness is more than 120 μm, determines that the spacing of scribing line is 3mm, draws lattice
Quantity is 9.
3, the impact resistance of film
The impact resistance of film is measured according to GB/T 1732-93.Model handle well under certain condition after by paint film
It lies in upward on iron felt, weight controls on certain height, then allows weight freely to land on punch, observes film
Phenomena such as whether there are cracks, peeling.
Test result is as shown in table 1：
Table 1
Adhesive force grade explanation is as shown in table 2：
Table 2
From table 1, table 2 as can be seen that coating property produced by the present invention is excellent.
Claims (7)
1. a kind of multifunctional nano external wall environment-friendly and green coating, which is characterized in that in parts by weight, including following components：
20-50 parts of aqueous acrylic emulsion,
4-8 parts of butyl acrylate,
Nano-TiO21-1.6 parts,
1-1.5 parts of pearl mica powder,
0.5-1 parts of hollow glass micropearl,
0.8-1.2 parts of calgon,
1.1-1.5 parts of ethoxylated alkylphenol ammonium sulfate,
0.5-1 parts of propyl trimethoxy silicane,
2-3 parts of pH adjusting agent,
2-5 parts of other auxiliary agents,
10-20 parts of deionized water；
Wherein, other described auxiliary agents in parts by weight, including 1-2 parts of antifoaming agent, 1.5-2 parts of dispersant, levelling agent 0.5-1.5
Part, 1-2 parts of thickener, 2-3 parts of coalescents；The dispersant is copolymer of maleic anhydride and acrylic acid, alpha-alkene sulfonate
Mixture, the two mass ratio are 1:2；
Preparation method includes the following steps：
(1) by nano-TiO2, pearl mica powder, hollow glass micropearl, calgon and deionized water be mixed evenly,
Ultrasound 1-3h under the power of 500-1000W continuously adds other auxiliary agents, continues ultrasound 30-60min, obtains dispersion liquid；
(2) aqueous acrylic emulsion, butyl acrylate, propyl trimethoxy silicane are added in homogenizer and are mixed
It is even, 20-50min is stirred in the state of 3000-6000 revs/min, and ethoxylated alkylphenol ammonium sulfate, step are added while stirring
(1) dispersion liquid obtained continues to stir 20-40min, pH adjusting agent is added, is uniformly mixed, and obtains multifunctional nano building
Exterior wall environment-friendly and green coating.
2. a kind of multifunctional nano external wall environment-friendly and green coating as described in claim 1, which is characterized in that with parts by weight
Meter, including following components：
50 parts of aqueous acrylic emulsion,
6 parts of butyl acrylate,
Nano-TiO21.5 parts,
1.3 parts of pearl mica powder,
0.7 part of hollow glass micropearl,
1 part of calgon,
1.3 parts of ethoxylated alkylphenol ammonium sulfate,
1 part of propyl trimethoxy silicane,
2.5 parts of pH adjusting agent,
4 parts of other auxiliary agents,
20 parts of deionized water.
3. a kind of multifunctional nano external wall environment-friendly and green coating as described in claim 1, which is characterized in that the nanometer
TiO2Particle size be 10-15nm, be anatase phase nano titanium oxide.
4. a kind of multifunctional nano external wall environment-friendly and green coating as described in claim 1, which is characterized in that the pearly-lustre
The loose thickness of mica powder is 0.15-0.2g/cm3。
5. a kind of multifunctional nano external wall environment-friendly and green coating as described in claim 1, which is characterized in that described hollow
The granularity of glass microballoon is 10-20 microns, and wall thickness is 1-2 microns.
6. a kind of multifunctional nano external wall environment-friendly and green coating as described in claim 1, which is characterized in that the film forming
Auxiliary agent be polyvinyl alcohol, vinyltriethoxysilane, alkyl phenol polyoxyethylene ether mixture.
7. a kind of multifunctional nano external wall environment-friendly and green coating as described in claim 1, which is characterized in that the pH tune
Section agent is one or more mixing in acetic acid, sodium acetate, citric acid, sodium citrate.
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| CN106147321A (en) * | 2016-09-13 | 2016-11-23 | 广西南宁智翠科技咨询有限公司 | A kind of environment-friendly novel emulsion paint |
| CN106221332A (en) * | 2016-09-13 | 2016-12-14 | 广西南宁智翠科技咨询有限公司 | A kind of environment-friendly and high-performance emulsion paint |
| CN106147330A (en) * | 2016-09-13 | 2016-11-23 | 广西南宁智翠科技咨询有限公司 | A kind of environment friendly emulsion paint |
| CN106147320A (en) * | 2016-09-13 | 2016-11-23 | 广西南宁智翠科技咨询有限公司 | A kind of novel environment friendly emulsion paint |
| CN106147331A (en) * | 2016-09-13 | 2016-11-23 | 广西南宁智翠科技咨询有限公司 | A kind of high-performance emulsion paint |
| CN107245279A (en) * | 2017-06-16 | 2017-10-13 | 安徽江锐新材料有限公司 | A kind of external wall special coating and preparation method thereof |
| CN112226128A (en) * | 2020-10-21 | 2021-01-15 | 湖南兴龙环境艺术工程有限公司 | Building glass heat-insulating coating and preparation method thereof |
| CN112662250B (en) * | 2020-12-18 | 2022-07-15 | 中国建筑西南设计研究院有限公司 | White radiation refrigeration coating with single-layer microporous structure and preparation method and application thereof |
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