CN114163926A - Organic silicon resin for air-drying high-performance solar panel and fan blade paint and preparation method thereof - Google Patents
Organic silicon resin for air-drying high-performance solar panel and fan blade paint and preparation method thereof Download PDFInfo
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- CN114163926A CN114163926A CN202111564728.3A CN202111564728A CN114163926A CN 114163926 A CN114163926 A CN 114163926A CN 202111564728 A CN202111564728 A CN 202111564728A CN 114163926 A CN114163926 A CN 114163926A
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- 239000003973 paint Substances 0.000 title claims abstract description 28
- 229920005989 resin Polymers 0.000 title claims abstract description 27
- 239000011347 resin Substances 0.000 title claims abstract description 27
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 21
- 239000010703 silicon Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000007605 air drying Methods 0.000 title claims description 3
- 239000000203 mixture Substances 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 238000001035 drying Methods 0.000 claims abstract description 16
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 15
- JJQZDUKDJDQPMQ-UHFFFAOYSA-N dimethoxy(dimethyl)silane Chemical compound CO[Si](C)(C)OC JJQZDUKDJDQPMQ-UHFFFAOYSA-N 0.000 claims abstract description 14
- BFXIKLCIZHOAAZ-UHFFFAOYSA-N methyltrimethoxysilane Chemical compound CO[Si](C)(OC)OC BFXIKLCIZHOAAZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 24
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 22
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 13
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 13
- 229920002050 silicone resin Polymers 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 12
- 239000012153 distilled water Substances 0.000 claims description 12
- 235000019253 formic acid Nutrition 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 10
- 238000005303 weighing Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000005457 ice water Substances 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 2
- 238000004321 preservation Methods 0.000 claims 2
- 238000002474 experimental method Methods 0.000 abstract description 2
- 239000007787 solid Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000009472 formulation Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009396 hybridization Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 208000012839 conversion disease Diseases 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000006115 industrial coating Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- ZQBVUULQVWCGDQ-UHFFFAOYSA-N propan-1-ol;propan-2-ol Chemical compound CCCO.CC(C)O ZQBVUULQVWCGDQ-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 230000004580 weight loss 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
-
- 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
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2150/00—Compositions for coatings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Silicon Polymers (AREA)
Abstract
The invention discloses an organic silicon resin for self-drying high-performance solar panels and fan blade paint and a preparation method thereof. The invention selects a large number of experiments, optimally adjusts the system of methyltrimethoxysilane, dimethyldimethoxysilane and silica sol by adopting a positive pressure low-temperature process, and the conversion rate of the invention is as high as 95.5 percent. In addition, the optimal raw material composition and proportion are obtained through a large number of experimental screens, and the prepared resin has the advantages of high and low temperature resistance, high weather resistance, high adhesion, high hardness, high glossiness, good impact performance and low viscosity.
Description
Technical Field
The invention relates to an organic silicon resin for self-drying high-performance solar panels and fan blade paint, and belongs to the technical field of high polymer resin.
Background
Silicone resin refers to a thermosetting plastic, one of its most prominent properties being excellent thermal oxidative stability. After heating at 250 ℃ for 24 hours, the weight loss of the silicone resin is only 2-8%. Another outstanding property of silicone resins is excellent electrical insulation properties, which can maintain their good insulation properties over a wide range of temperatures and frequencies. The general electric breakdown strength of the organic silicon resin is 50 kilovolt/millimeter, the volume resistivity is 1013-. In addition, the organic silicon resin has excellent antistatic, anti-pollution, wear resistance, moisture resistance, water resistance, rust resistance, cold resistance, ozone resistance and weather resistance, has good corrosion resistance to most of aqueous chemical agents such as dilute mineral acid, and has relatively poor solvent resistance. And because the solvent and the reaction system are limited, the high reaction conversion rate is difficult to obtain, the cost is high, and the product purity is not enough.
The changing situation of energy safety now includes the following five problems. First, the energy source supplies pressure. Second, there is a relative shortage of resources. Thirdly, the energy structure is not environment friendly. Fourth, energy technology is relatively lagged behind. Fifth, it is greatly changed by the international energy market. However, the dilemma of climate change lies in the ways of energy production and consumption, energy conservation and emission reduction, low-carbon economy and clean energy development, and has become the main change trend of energy technology revolution and global energy structure change. The heat and light provided by the sun to the earth are ideal energy sources; wind is a natural phenomenon on earth and is caused by solar radiant heat, and the higher the wind flow velocity in air, the larger the kinetic energy. Therefore, solar energy and wind energy are generated as clean and sustainable energy, and a possibility is provided for energy safety. The invention relates to self-drying high-performance solar panel and fan blade paint, which is produced for assisting the solar energy and wind energy industries.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problem that the existing solar panel and windmill are installed in remote field and are damaged by the influence of nature severe weather to the solar panel and windmill body to different degrees, the invention develops the self-drying high-performance organic silicon resin for solar panel and fan blade paint, which has good adhesive force, high hardness, good impact property, moderate viscosity and good wear resistance, has solid content of more than 50 percent and high solid content by selecting silica sol, methyl trimethoxy silane, dimethyl dimethoxy silane, silane coupling agent KH560, ethyl orthosilicate and synthesis conditions through a large number of experimental screenings. The invention can provide an external protection, thereby prolonging the service life of the solar panel and the windmill and providing support for energy safety.
Technical solution to achieve the above object, the present invention adopts the following technical solutions:
an organic silicon resin for self-drying high-performance solar panels and fan blade paint is prepared from the following raw materials:
silica sol, methyltrimethoxysilane, dimethyldimethoxysilane, formic acid, a silane coupling agent KH560, tetraethoxysilane, isopropanol and distilled water.
As a preferred scheme, the self-drying high-performance organic silicon resin for the solar panels and the fan blade paint is prepared from the following raw materials in percentage by weight:
15-25% of silica sol, 25-40% of methyltrimethoxysilane, 5-10% of dimethyldimethoxysilane, 0.1-1% of formic acid, 5605-15% of silane coupling agent KH, 5-10% of tetraethoxysilane, 26-40% of isopropanol and 0-10% of distilled water.
As a preferred scheme, the self-drying high-performance organic silicon resin for the solar panels and the fan blade paint is prepared from the following raw materials in percentage by weight:
17.8% of silica sol, 28.8% of methyltrimethoxysilane, 5% of dimethyldimethoxysilane, 0.1% of formic acid, 5.9% of silane coupling agent KH 5608.5%, ethyl orthosilicate, 29.7% of isopropanol and 4.2% of distilled water.
The invention screens the composition of each raw material through a large number of experiments, and the invention adds silica sol to provide hydroxyl groups; methyltrimethoxysilane and dimethyldimethoxysilane provide methyl and methoxy groups and flexibility and fullness; formic acid provides an acidic hybridization environment; the silane coupling agent KH560 provides adhesiveness, flexibility and antistatic property; the tetraethoxysilane provides scratch resistance and impact resistance, and the distilled water is added into the reaction to be safe and environment-friendly.
The invention relates to a preparation method of organic silicon resin for self-drying high-performance solar panels and fan blade paint, which comprises the following steps:
(1) firstly, adding methyltrimethoxysilane, dimethyldimethoxysilane and formic acid into a four-mouth flask, and then adding ice water into a container outside the flask to reduce the reaction temperature to 5-15 ℃;
(2) weighing silica sol and distilled water according to the weight percentage, mixing well, and adding into a dripping tank;
(3) weighing a silane coupling agent KH560, tetraethoxysilane and isopropanol according to the weight percentage, and mixing well for later use;
(4) and (3) when the temperature of the reaction device in the step (1) reaches 5-15 ℃, dropwise adding the mixture in the step (2), dropwise adding the mixture after 2-4 hours, preserving the heat for 5-6 hours after the dropwise adding is finished, dropwise adding the mixture in the step (3) after the maintaining is finished, heating after 1-2 hours of dropwise adding, and preserving the heat for 2-2.5 hours at 80-90 ℃ to obtain the catalyst.
In the step (4), after the temperature of the reaction device in the step (1) reaches 5-15 ℃, dropwise adding the mixture in the step (2) for 4 hours, preserving heat for 6 hours after dropwise adding, then dropwise adding the mixture in the step (3), finishing dropwise adding for 1 hour, heating after dropwise adding, and preserving heat for 2 hours at 80-90 ℃ to obtain the self-drying high-performance organic silicon resin for the solar panels and the fan blade paints.
Has the advantages that: the invention has the following advantages:
the invention adopts low-temperature hybridization through a large amount of experimental screening, simultaneously optimally adjusts the optimal components of the organic silicon resin monomer and the silica sol, the conversion rate of the invention is as high as 90 percent, and the solid content of the resin can reach more than 50 percent. The organic silicon resin has the advantages of low viscosity, low cost, high adhesive force, high hardness, good impact and other comprehensive properties. The invention can be widely used for solar panels and fan blade series, and can solve the defects of the materials.
Detailed Description
Example 1
1. A preparation method of organic silicon resin for self-drying high-performance solar panels and fan blade paint comprises the following steps:
(1) 272g of methyltrimethoxysilane, 48g of dimethyldimethoxysilane and 0.1g of formic acid are added into a four-neck flask, and then ice water is added into a container outside the flask to reduce the reaction temperature to 10 ℃;
(2) weighing 168g of silica sol and 40g of distilled water, mixing well, and adding into a dropwise adding tank;
(3) weighing and mixing a silane coupling agent KH 56080 g, 56g of tetraethoxysilane and 60g of isopropanol for later use;
(4) and (3) when the temperature of the reaction device in the step (1) reaches 10 ℃, dropwise adding the mixture in the step (2), keeping the temperature for 6 hours after dropwise adding, dropwise adding the mixture in the step (3) after maintaining, heating after 1 hour of dropwise adding, and keeping the temperature for 2 hours at 80-90 ℃ to obtain the organic silicon resin. The conversion of the final reaction was 99.5%, and the resin solids content was 50%.
2. The silicone resin prepared in example 1 and various fillers shown in table 1 below were put in a compounding tank in proportion, stirred in a sand mill to a paint thickness of 23 μm, and filtered to prepare a resin slurry, which was then made into a silicone resin varnish. The properties of the test are shown in Table 2.
TABLE 1 composition of acrylic Industrial coating formulations
| Name of raw materials | Weight (g) |
| Example 1 Silicone resin | 100 |
| Dispersing agent | 0.2 |
| Defoaming agent | 0.2 |
| Leveling aid | 0.7 |
| Isopropanol (I-propanol) | 20 |
Table 2 results of paint film property measurements:
example 2
A preparation method of organic silicon resin for self-drying high-performance solar panels and fan blade paint comprises the following steps:
(1) firstly, 172g of methyltrimethoxysilane, 148g of dimethyldimethoxysilane and 0.1g of formic acid are added into a four-neck flask, and then ice water is added into a container outside the flask to reduce the reaction temperature to 10 ℃;
(2) weighing 168g of silica sol and 40g of distilled water, mixing well, and adding into a dropwise adding tank;
(3) weighing a silane coupling agent KH56050g, 86g of tetraethoxysilane and 60g of isopropanol, and mixing well for later use;
(4) and (3) when the temperature of the reaction device in the step (1) reaches 10 ℃, dropwise adding the mixture in the step (2), keeping the temperature for 6 hours after dropwise adding, dropwise adding the mixture in the step (3) after maintaining, heating after 1 hour of dropwise adding, and keeping the temperature for 2 hours at 80-90 ℃ to obtain the organic silicon resin. The conversion of the final reaction was 97.3%, and the resin solids content was 50%.
2. Paint films were prepared with the same paint formulation as in Table 1 of example 1 and the performance tests are shown in Table 3 below:
table 3 results of paint film property measurements:
| appearance of the product | Smooth without particles | Visual inspection of |
| Gloss of | About 105 | GB/T1743-1989 |
| Hardness (Pencil scratch) | 3H | GB/T6739-2006 |
| Impact (recoil) (kg. cm) | 50 | GB/T1732-2020 |
| Flexibility | 1mm | GB/T1731-2020 |
| Adhesion (circle drawing method) | Level 1 | GB/T1720-2020 |
。
Example 3 comparative example
A preparation method of organic silicon resin for self-drying high-performance solar panels and fan blade paint comprises the following steps:
(1) firstly, 320g of methyltrimethoxysilane and 0.1g of formic acid are added into a four-neck flask, and then ice water is added into a container outside the flask to reduce the reaction temperature to 10 ℃;
(2) weighing 168g of silica sol and 40g of distilled water, mixing well, and adding into a dropwise adding tank;
(3) weighing and mixing a silane coupling agent KH 56080 g, 56g of tetraethoxysilane and 60g of isopropanol for later use;
(4) and (3) when the temperature of the reaction device in the step (1) reaches 10 ℃, dropwise adding the mixture in the step (2), keeping the temperature for 6 hours after dropwise adding, dropwise adding the mixture in the step (3) after maintaining, heating after 1 hour of dropwise adding, and keeping the temperature for 2 hours at 80-90 ℃ to obtain the organic silicon resin. The conversion of the final reaction was 95% and the resin solids 48.5%.
2. Paint films were prepared with the same paint formulation as in example 1 and the performance measurements are given in Table 4 below.
Table 4 paint film property test results:
| appearance of the product | Smooth without particles | Visual inspection of |
| Gloss of | About 100 | GB/T1743-1989 |
| Hardness (Pencil scratch) | 3H | GB/T6739-2006 |
| Impact (recoil) (kg. cm) | 30 | GB/T1732-2020 |
| Flexibility | 2mm | GB/T1731-2020 |
| Adhesion (circle drawing method) | Level 1 | GB/T1720-2020 |
。
Example 3 shows that the gloss, impact resistance, flexibility and the like are obviously weakened when dimethyldimethoxysilane is absent, and the scientific property of the mixture ratio of the components is demonstrated.
And the comparison results of the examples 1 and 2 show that the performance of the invention in example 1 is obviously better than that in example 2 because of the great change of the performance caused by different dosages of the components.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The organic silicon resin for the air-drying high-performance solar panel and fan blade paint is characterized by being prepared from the following raw materials: silica sol, methyltrimethoxysilane, dimethyldimethoxysilane, formic acid, a silane coupling agent KH560, tetraethoxysilane, isopropanol and distilled water.
2. The silicone resin for the self-drying high-performance solar panel and fan blade paint as claimed in claim 1, wherein the silicone resin is prepared from the following raw materials in percentage by weight:
15-25% of silica sol, 25-40% of methyltrimethoxysilane, 5-10% of dimethyldimethoxysilane, 0.1-1% of formic acid, 5605-15% of silane coupling agent KH, 5-10% of tetraethoxysilane, 26-40% of isopropanol and 0-10% of distilled water.
3. The silicone resin for the self-drying high-performance solar panel and fan blade paint as claimed in claim 2, wherein the silicone resin is prepared from the following raw materials in percentage by weight:
17.8% of silica sol, 28.8% of methyltrimethoxysilane, 5% of dimethyldimethoxysilane, 0.1% of formic acid, 5.9% of silane coupling agent KH 5608.5%, ethyl orthosilicate, 29.7% of isopropanol and 4.2% of distilled water.
4. The preparation method of the self-drying high-performance silicone resin for the paint of the solar panel and the fan blade as claimed in any one of claims 1 to 3, is characterized by comprising the following steps:
(1) firstly, adding methyltrimethoxysilane, dimethyldimethoxysilane and formic acid into a four-mouth flask, and then adding ice water into a container outside the flask to reduce the reaction temperature to 5-15 ℃;
(2) weighing silica sol and distilled water according to the weight percentage, mixing well, and adding into a dripping tank;
(3) weighing a silane coupling agent KH560, tetraethoxysilane and isopropanol according to the weight percentage, and mixing well for later use;
(4) and (3) when the temperature of the reaction device in the step (1) reaches 5-15 ℃, dropwise adding the mixture in the step (2), dropwise adding the mixture after 2-4 hours, preserving heat for 5-6 hours after dropwise adding, dropwise adding the mixture in the step (3), heating after dropwise adding for 1-2 hours, and preserving heat for 2-2.5 hours at 80-90 ℃ to obtain the catalyst.
5. The method for preparing the silicone resin for the paint for the self-drying high-performance solar panel and the fan blade according to claim 4, wherein in the step (4), when the temperature of the reaction device in the step (1) reaches 5-15 ℃, the mixture in the step (2) is dripped, the dripping is finished within 4 hours, the heat preservation is carried out for 6 hours after the dripping is finished, then the mixture in the step (3) is dripped, the dripping is finished within 1 hour, the temperature is raised after the dripping is finished, and the heat preservation is carried out for 2 hours at 80-90 ℃ to obtain the silicone resin for the paint for the fan blade.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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