CN111073505A - Nanometer anti-freezing coating material and preparation method thereof - Google Patents
Nanometer anti-freezing coating material and preparation method thereof Download PDFInfo
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- CN111073505A CN111073505A CN201911393023.2A CN201911393023A CN111073505A CN 111073505 A CN111073505 A CN 111073505A CN 201911393023 A CN201911393023 A CN 201911393023A CN 111073505 A CN111073505 A CN 111073505A
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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
- 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
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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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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Abstract
The invention relates to a nano anti-freezing coating material and a preparation method thereof, belonging to the field of surface treatment of high polymer materials. The nanometer anti-freezing coating material comprises the following components in parts by weight: hydroxyl-terminated polysiloxane, vinyl-terminated polysiloxane, nanoparticles, ethylene glycol monobutyl ether, a solvent, a dispersant, a defoaming agent, methyl triethoxysilane and a titanium complex; the nanometer anti-freezing coating material is cured at normal temperature, active groups of the hydroxyl-terminated polysiloxane are utilized to form effective chemical bonding with a base material at normal temperature, and a polymer three-dimensional network film can be formed, so that the surface of the nanometer anti-freezing coating material has a good waterproof effect, and the anti-freezing function is realized. The invention discloses a nano anti-freezing coating material which has excellent adhesive force on the surface of a base material after being cured, has low surface energy and can realize good waterproof and icing effects.
Description
Technical Field
The invention relates to a nano anti-freezing coating material and a preparation method thereof, belonging to the field of surface treatment of high polymer materials.
Background
The existing anti-freezing technology is mainly divided into two categories, namely active deicing and passive deicing: (1) manual or mechanical cleaning; (2) and the heating method is used for heating the part needing to be deiced to melt the frost. However, the above methods are not only inefficient, but also require a large manual operation intensity, consume energy, and are very limited in use.
Disclosure of Invention
In order to overcome the defects in the background art, the technical scheme adopted by the invention for solving the technical problems is as follows: a nanometer anti-freezing coating material is characterized in that: the nanometer anti-freezing coating material comprises the following components in parts by weight: 100 parts of hydroxyl-terminated polysiloxane, 20-30 parts of vinyl-terminated polysiloxane, 30-50 parts of nano particles, 3-5 parts of ethylene glycol monobutyl ether, 50-100 parts of solvent, 2-5 parts of dispersant, 0.1-0.5 part of defoaming agent, 3-5 parts of methyltriethoxysilane and 0.5-2 parts of titanium complex.
Preferably 100 parts of hydroxyl-terminated polysiloxane, 25-30 parts of vinyl-terminated polysiloxane, 40-50 parts of nano particles, 4 parts of ethylene glycol monobutyl ether, 60-80 parts of solvent, 3-5 parts of dispersant, 0.3-0.5 part of defoaming agent, 4 parts of methyltriethoxysilane and 1.5-2 parts of titanium complex.
Preferably the hydroxyl terminated polysiloxane is a polysiloxane synthesized in the presence of an acidic catalyst, the hydroxyl terminated polysiloxane being a predominant film forming resin having a molecular weight in the range of 30 to 60 million.
The preferred vinyl terminated polysiloxane is vinyl terminated polydimethylsiloxane (Vi-PDMS), which is represented by the following general formula:
wherein m =50-100, and the viscosity is 2000-20000 mPa.s.
Preferably, the nano particles are one or more of nano silicon dioxide, nano titanium dioxide, nano calcium carbonate or nano barium sulfate.
Preferably, the solvent is one or more of xylene, ethyl acetate or acetone.
A preferred such dispersant is AMJ Dispers H-28000.
Preferably the defoamer is a low molecular weight fluorosilicone.
The preparation method of the nanometer anti-freezing coating material is characterized by comprising the following steps: the following components are mixed according to the parts by weight,
adding 100 parts of hydroxyl-terminated polysiloxane, 20-30 parts of vinyl-terminated polysiloxane, 30-50 parts of nano particles, 3-5 parts of ethylene glycol monobutyl ether, 50-100 parts of solvent, 2-5 parts of dispersing agent, 0.1-0.5 part of defoaming agent, 3-5 parts of methyltriethoxysilane and 0.5-2 parts of titanium complex into a stirrer, starting the stirrer to rotate for 30-50 minutes at normal temperature, and rotating at the speed of 500 plus materials for 1000 revolutions per minute to obtain the nano anti-freezing coating material.
The nanometer anti-freezing coating material is cured at normal temperature, active groups of hydroxyl-terminated polysiloxane are utilized to form effective chemical bonding with a base material at normal temperature, a polymer three-dimensional network film can be formed, the surface of the nanometer anti-freezing coating material has a good waterproof effect, the lotus leaf effect is similar to the lotus leaf effect, and water drops are prevented from being condensed, so that a good anti-freezing effect is achieved, and the anti-freezing function is realized. The invention discloses a nano anti-freezing coating material which has excellent adhesive force on the surface of a base material after being cured, has low surface energy, can realize good waterproof and icing effects, can be applied to anti-freezing of building materials, and overcomes the problems of high curing temperature, low curing efficiency and poor anti-freezing effect in the prior art.
Detailed Description
The specific embodiment one is a nanometer anti-freezing coating material, which is characterized in that: the nanometer anti-freezing coating material comprises the following components in parts by weight: 100 parts of hydroxyl-terminated polysiloxane, 20 parts of vinyl-terminated polysiloxane, 30 parts of nano particles, 3 parts of ethylene glycol monobutyl ether, 50 parts of solvent, 2 parts of dispersant, 0.1 part of defoaming agent, 3 parts of methyltriethoxysilane and 0.5 part of titanium complex, wherein the hydroxyl-terminated polysiloxane is polysiloxane synthesized under the condition of an acid catalyst, the molecular weight of the main film-forming resin is 30-60 ten thousand, the vinyl-terminated polysiloxane is vinyl-terminated polydimethylsiloxane (Vi-PDMS), and the general formula of the vinyl-terminated polysiloxane is represented as follows:
wherein m =50-100, the viscosity is 2000-20000 mPa.s, the nano particles are nano silicon dioxide, the solvent is xylene, the dispersant is AMJ Dispers H-28000, and the defoaming agent is low molecular weight fluorine-containing siloxane.
The preparation method of the nanometer anti-freezing coating material is characterized by comprising the following steps: the following components are mixed according to the parts by weight,
adding 100 parts of hydroxyl-terminated polysiloxane, 20 parts of vinyl-terminated polysiloxane, 30 parts of nano particles, 3 parts of ethylene glycol monobutyl ether, 50 parts of solvent, 2 parts of dispersing agent, 0.1 part of defoaming agent, 3 parts of methyltriethoxysilane and 0.5 part of titanium complex into a stirrer, starting the stirrer to rotate at normal temperature for 30 minutes at the rotating speed of 500 revolutions per minute, and obtaining the nano anti-freezing coating material.
The second specific embodiment is a nano anti-freezing coating material, which is characterized in that: the nanometer anti-freezing coating material comprises the following components in parts by weight: 100 parts of hydroxyl-terminated polysiloxane, 25 parts of vinyl-terminated polysiloxane, 40 parts of nano particles, 4 parts of ethylene glycol monobutyl ether, 80 parts of solvent, 3 parts of dispersant, 0.3 part of defoaming agent, 4 parts of methyltriethoxysilane and 1 part of titanium complex, wherein the hydroxyl-terminated polysiloxane is polysiloxane synthesized under the condition of an acid catalyst, the molecular weight of the main film-forming resin of the hydroxyl-terminated polysiloxane is 30-60 ten thousand, the vinyl-terminated polysiloxane is vinyl-terminated polydimethylsiloxane (Vi-PDMS), and the general formula of the vinyl-terminated polysiloxane is as follows:
wherein m =50-100, the viscosity is 2000-20000 mPa.s, the nano particles are nano calcium carbonate, the solvent is a mixed solution composed of xylene and ethyl acetate, the dispersing agent is AMJ Dispers H-28000, and the defoaming agent is low-molecular-weight fluorine-containing siloxane.
The preparation method of the nanometer anti-freezing coating material is characterized by comprising the following steps: the following components are mixed according to the parts by weight,
adding 100 parts of hydroxyl-terminated polysiloxane, 25 parts of vinyl-terminated polysiloxane, 40 parts of nano particles, 4 parts of ethylene glycol monobutyl ether, 80 parts of solvent, 3 parts of dispersant, 0.3 part of defoamer, 4 parts of methyltriethoxysilane and 1 part of titanium complex into a stirrer, starting the stirrer to rotate at normal temperature for 40 minutes at the rotating speed of 800 revolutions per minute, and obtaining the nano anti-freezing coating material.
The specific embodiment III is a nanometer anti-freezing coating material, which is characterized in that: the nanometer anti-freezing coating material comprises the following components in parts by weight: 100 parts of hydroxyl-terminated polysiloxane, 30 parts of vinyl-terminated polysiloxane, 50 parts of nano particles, 5 parts of ethylene glycol monobutyl ether, 100 parts of solvent, 5 parts of dispersant, 0.5 part of defoaming agent, 5 parts of methyltriethoxysilane and 2 parts of titanium complex, wherein the hydroxyl-terminated polysiloxane is polysiloxane synthesized under the condition of an acid catalyst, the molecular weight of the main film-forming resin of the hydroxyl-terminated polysiloxane is 30-60 ten thousand, the vinyl-terminated polysiloxane is vinyl-terminated polydimethylsiloxane (Vi-PDMS), and the general formula of the vinyl-terminated polysiloxane is as follows:
wherein m =50-100, the viscosity is 2000-20000 mPa.s, the nano particles are a mixture composed of nano silicon dioxide and nano titanium dioxide, the solvent is a mixed solvent composed of xylene, ethyl acetate and acetone, the dispersing agent is AMJ Dispers H-28000, and the defoaming agent is low-molecular-weight fluorine-containing siloxane.
The preparation method of the nanometer anti-freezing coating material is characterized by comprising the following steps: the following components are mixed according to the parts by weight,
adding 100 parts of hydroxyl-terminated polysiloxane, 30 parts of vinyl-terminated polysiloxane, 50 parts of nano particles, 5 parts of ethylene glycol monobutyl ether, 100 parts of solvent, 5 parts of dispersing agent, 0.5 part of defoaming agent, 5 parts of methyltriethoxysilane and 2 parts of titanium complex into a stirrer, starting the stirrer to rotate at normal temperature for 50 minutes at the rotating speed of 1000 revolutions per minute, and obtaining the nano anti-freezing coating material.
The nanometer anti-freezing coating material is cured at normal temperature, active groups of hydroxyl-terminated polysiloxane are utilized to form effective chemical bonding with a base material at normal temperature, a polymer three-dimensional network film can be formed, the surface of the nanometer anti-freezing coating material has a good waterproof effect, the lotus leaf effect is similar to the lotus leaf effect, and water drops are prevented from being condensed, so that a good anti-freezing effect is achieved, and the anti-freezing function is realized. The invention discloses a nano anti-freezing coating material which has excellent adhesive force on the surface of a base material after being cured, has low surface energy, can realize good waterproof and icing effects, can be applied to anti-freezing of building materials, and overcomes the problems of high curing temperature, low curing efficiency and poor anti-freezing effect in the prior art.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (9)
1. A nanometer anti-freezing coating material is characterized in that: the nanometer anti-freezing coating material comprises the following components in parts by weight: 100 parts of hydroxyl-terminated polysiloxane, 20-30 parts of vinyl-terminated polysiloxane, 30-50 parts of nano particles, 3-5 parts of ethylene glycol monobutyl ether, 50-100 parts of solvent, 2-5 parts of dispersant, 0.1-0.5 part of defoaming agent, 3-5 parts of methyltriethoxysilane and 0.5-2 parts of titanium complex.
2. The nano freeze-resistant coating material according to claim 1, wherein: 100 parts of hydroxyl-terminated polysiloxane, 25-30 parts of vinyl-terminated polysiloxane, 40-50 parts of nano particles, 4 parts of ethylene glycol monobutyl ether, 60-80 parts of solvent, 3-5 parts of dispersant, 0.3-0.5 part of defoaming agent, 4 parts of methyltriethoxysilane and 1.5-2 parts of titanium complex.
3. The nano freeze-resistant coating material according to claim 1, wherein: the hydroxyl-terminated polysiloxane is a polysiloxane synthesized under the condition of an acid catalyst, and the molecular weight of the hydroxyl-terminated polysiloxane is 30-60 ten thousand of the main film-forming resin.
4. The nano freeze-resistant coating material according to claim 1, wherein: the vinyl terminated polysiloxane is vinyl terminated polydimethylsiloxane (Vi-PDMS), which is represented by the following general formula:
wherein m =50-100, and the viscosity is 2000-20000 mPa.s.
5. The nano freeze-resistant coating material according to claim 1, wherein: the nano particles are one or more of nano silicon dioxide, nano titanium dioxide, nano calcium carbonate or nano barium sulfate.
6. The nano freeze-resistant coating material according to claim 1, wherein: the solvent is one or more of dimethylbenzene, ethyl acetate or acetone.
7. The nano freeze-resistant coating material according to claim 1, wherein: the dispersant is AMJDispers H-28000.
8. The nano freeze-resistant coating material according to claim 1, wherein: the defoaming agent is low molecular weight fluorine-containing siloxane.
9. The preparation method of the nano anti-freezing coating material according to claim 1, characterized by comprising the steps of: the following components are mixed according to the parts by weight,
adding 100 parts of hydroxyl-terminated polysiloxane, 20-30 parts of vinyl-terminated polysiloxane, 30-50 parts of nano particles, 3-5 parts of ethylene glycol monobutyl ether, 50-100 parts of solvent, 2-5 parts of dispersing agent, 0.1-0.5 part of defoaming agent, 3-5 parts of methyltriethoxysilane and 0.5-2 parts of titanium complex into a stirrer, starting the stirrer to rotate for 30-50 minutes at normal temperature, and rotating at the speed of 500 plus materials for 1000 revolutions per minute to obtain the nano anti-freezing coating material.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114539914A (en) * | 2022-01-27 | 2022-05-27 | 广东硅甲新材料科技有限公司 | Organic silicon coating capable of being coated on polyurethane synthetic leather and using method thereof |
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| US4713410A (en) * | 1986-01-13 | 1987-12-15 | Desoto, Inc. | Silicone release coating emulsions which stratify when baked |
| EP1018533A2 (en) * | 1999-01-08 | 2000-07-12 | Dupont Canada Inc. | Silicone-containing low surface tension film |
| CN102858887A (en) * | 2010-04-28 | 2013-01-02 | 3M创新有限公司 | Articles including nanosilica-based primers for polymer coatings and methods |
| CN108587453A (en) * | 2018-04-10 | 2018-09-28 | 天津大学 | One kind " one-step method " lubricity organosilicon ice-covering-proof coating and preparation method thereof |
| CN110054988A (en) * | 2019-04-28 | 2019-07-26 | 浙江新安化工集团股份有限公司 | A kind of anti-pollution flashover coating and its preparation method and application |
-
2019
- 2019-12-30 CN CN201911393023.2A patent/CN111073505A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4713410A (en) * | 1986-01-13 | 1987-12-15 | Desoto, Inc. | Silicone release coating emulsions which stratify when baked |
| EP1018533A2 (en) * | 1999-01-08 | 2000-07-12 | Dupont Canada Inc. | Silicone-containing low surface tension film |
| CN102858887A (en) * | 2010-04-28 | 2013-01-02 | 3M创新有限公司 | Articles including nanosilica-based primers for polymer coatings and methods |
| CN108587453A (en) * | 2018-04-10 | 2018-09-28 | 天津大学 | One kind " one-step method " lubricity organosilicon ice-covering-proof coating and preparation method thereof |
| CN110054988A (en) * | 2019-04-28 | 2019-07-26 | 浙江新安化工集团股份有限公司 | A kind of anti-pollution flashover coating and its preparation method and application |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114539914A (en) * | 2022-01-27 | 2022-05-27 | 广东硅甲新材料科技有限公司 | Organic silicon coating capable of being coated on polyurethane synthetic leather and using method thereof |
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Application publication date: 20200428 |