CN107523103A - A kind of aerosil coating and its application - Google Patents
A kind of aerosil coating and its application Download PDFInfo
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- CN107523103A CN107523103A CN201710615986.7A CN201710615986A CN107523103A CN 107523103 A CN107523103 A CN 107523103A CN 201710615986 A CN201710615986 A CN 201710615986A CN 107523103 A CN107523103 A CN 107523103A
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- coating
- aerosil
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- aerosil coating
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
- C09D167/08—Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of aerosil coating and its application, the aerosil coating, include the raw materials of following parts by weight：100 parts of aerogel powders, 2 10 parts of lamellar compounds, 10 100 parts of water paints, 2 10 parts of surfactants, 2 10 parts of coalescents, 15 parts of defoamers；The aerosil coating is that the raw material of above parts by weight is stirred and evenly mixed into what is obtained successively；The aerosil coating is coated to wall or metal, the surface of plastic basis material, is treated its film-forming using spraying or the coating method of roller coat.The present invention in order to the aerosil coating for solving prior art exist the shortcomings that, propose a kind of aerosil coating and its application, it adds lamellar compound in water paint, improve the dispersiveness of aerogel powder in an aqueous medium, so as to improve the uniformity of coating, final product quality is improved, while the quality of forming film of coating is high, heat-proof quality is good.
Description
Technical field
The present invention relates to aerosil technical field of coatings, more particularly to a kind of aerosil coating
And its application.
Background technology
Aerosil has nanoaperture, is a kind of porous solid material, has low-density, high porosity
Design feature, there is superthermal insulation performance.Using silica aerosil microballoon and coating membrane-forming materials combine, formed
Coating with super heat-insulating property.
Current aerosil utilizes sol-gal process mostly, is hydrolyzed and prepared by silicon sources such as tetraethyl orthosilicates,
The thus obtained aerosil easily moisture absorption, water cracking is met, causes nano-pore structure to be destroyed, influences aeroge
Performance.
Therefore the necessary gel enhancing agent of addition that generally will be to silica dioxide gel in preparation process, general addition
Polymer or organic hydrophobic modified dose carry out structural enhancing to gel, but polymer or organic hydrophobic modified dose are filled with
The network structure of gel, so as to influence the porosity of aeroge, influence the heat-proof quality and quality of forming film of aeroge coating.
Thus, how to strengthen the intensity of aeroge and shorten the film formation time of coating, be that current aeroge coating industry will
The important problem of solution.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of silica airsetting proposed
Glue coating and its application.
To achieve these goals, present invention employs following technical scheme：
A kind of aerosil coating, include the raw material of following parts by weight：100 parts of aerogel powders, 2-10 part layers
Shape compound, 10-100 part water paints, 2-10 parts surfactant, 2-10 part coalescents, 1-5 part defoamers；Described two
Silica aerogel coating is that the raw material of above parts by weight is stirred and evenly mixed into what is obtained successively.
Preferably, described stir and evenly mix comprises the following steps：
S1, under the conditions of high-speed stirred, aerogel powder and lamellar compound are mixed, obtain mixed-powder A；
S2, under the conditions of high-speed stirred, by the way of vibrosieve, mixed-powder A is sieved in water paint, added
Surfactant, stir 1-3h；
S3, under the conditions of stirring at low speed, coalescents and defoamer are continuously added in water paint, stir 20-50min,
Obtain finished product coating；
In the S1 and S2, rotating speed that high-speed stirred condition is specially paddle is 3000-5000r/min, stirring at low speed
The rotating speed that condition is specially paddle is 100-500r/min.
Preferably, the aerogel powder is made up of Monolithic aerogel ball mill grinding.
Preferably, layered compound is specially montmorillonite, talcum, the phyllosilicate such as kaolinite or micarex.
Preferably, layered compound is specially graphene oxide powder, and the graphene oxide powder is by right
Graphite redox processing and it is manufactured.
Preferably, the water paint is specially aqueous polyurethane, aqueous epoxy resins or water-based alcohol ester resin.
Preferably, the aerosil coating is coated to wall or gold using spraying or the coating method of roller coat
Category, the surface of plastic basis material, treat its film-forming.
Preferably, the micro curing agent of the preferable addition of the aerosil coating, the curing agent are preferred
For normal temperature cure agent.
Preferably, the time of the film-forming is 15-40min.
Preferably, the thickness of the coating is 0.3-2mm.
Compared with prior art, the beneficial effects of the invention are as follows：
1. add lamellar compound in water paint, lamellar compound has that bigger than surface, adsorption capacity is strong and hydrophilic
The advantages that property is good, aerogel powder can be effectively adsorbed in the interlayer of lamellar compound, improve aerogel powder water-based
Dispersiveness in medium, so as to improve the uniformity of coating, improve final product quality.
2. by the way of vibrosieve, aerogel powder is sieved in water paint, bulky grain powder is avoided and causes
Coating particles sense is strong, skewness and the defects of film forming difference.
3. being coated with water paint before use, adding a certain amount of normal temperature cure agent, shortening film formation time is effective to prevent
Aerogel powder precipitates, so as to improve the heat-proof quality of coating and quality of forming film.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely retouched
State, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Embodiment 1：
A kind of aerosil coating, include the raw material of following parts by weight：100 parts of aerogel powders, 2-10 part layers
Shape compound, 10-100 part water paints, 2-10 parts surfactant, 2-10 part coalescents, 1-5 part defoamers；Described two
Silica aerogel coating is that the raw material of above parts by weight is stirred and evenly mixed into what is obtained successively.
Described stir and evenly mix comprises the following steps：
S1, under the conditions of high-speed stirred, aerogel powder and lamellar compound are mixed, obtain mixed-powder A；
S2, under the conditions of high-speed stirred, by the way of vibrosieve, mixed-powder A is sieved in water paint, added
Surfactant, stir 1-3h；
S3, under the conditions of stirring at low speed, coalescents and defoamer are continuously added in water paint, stir 20-50min,
Obtain finished product coating.
The aerogel powder is made up of Monolithic aerogel ball mill grinding.
Layered compound is specially montmorillonite, talcum, the phyllosilicate such as kaolinite or micarex.
Layered compound is specially graphene oxide powder, and the graphene oxide powder is by graphite
Redox handle and it is manufactured.
The water paint is specially aqueous polyurethane, aqueous epoxy resins or water-based alcohol ester resin.
The aerosil coating is coated to wall or metal, plastics using spraying or the coating method of roller coat
The surface of base material, treat its film-forming.
The micro curing agent of the preferable addition of the aerosil coating, the curing agent is preferably normal temperature
Curing agent.
The time of the film-forming is 15-40min.
The thickness of the coating is 0.3-2mm.
In the S1 and S2, rotating speed that high-speed stirred condition is specially paddle is 3000-5000r/min, stirring at low speed
The rotating speed that condition is specially paddle is 100-500r/min.
Experimental result in above example is as shown in table 1：
Influence of the ratio of the lamellar compound of table 1 to coating final product quality
As described in Table 1, in certain limit, the ratio of lamellar compound is higher, the uniformity of coating is better, granular sensation more
Small and film forming is better, while the heat-insulating efficiency after coating film forming also greatly increases.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited to
This, any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme
And its inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (10)
1. a kind of aerosil coating, it is characterised in that include the raw material of following parts by weight：100 parts of aerogel powders,
2-10 part lamellar compounds, 10-100 part water paints, 2-10 parts surfactant, 2-10 part coalescents, the defoaming of 1-5 parts
Agent；The aerosil coating is that the raw material of above parts by weight is stirred and evenly mixed into what is obtained successively.
A kind of 2. aerosil coating according to claim 1, it is characterised in that it is described stir and evenly mix including with
Lower step：
S1, under the conditions of high-speed stirred, aerogel powder and lamellar compound are mixed, obtain mixed-powder A；
S2, under the conditions of high-speed stirred, by the way of vibrosieve, mixed-powder A is sieved in water paint, adds surface and live
Property agent, stir 1-3h；
S3, under the conditions of stirring at low speed, coalescents and defoamer are continuously added in water paint, 20-50min is stirred, obtains
Finished product coating；
In the S1 and S2, rotating speed that high-speed stirred condition is specially paddle is 3000-5000r/min, stirring at low speed condition
The rotating speed of specially paddle is 100-500r/min.
3. a kind of aerosil coating according to claim 1, it is characterised in that the aerogel powder is by block
The ball mill grinding of shape aeroge and be made.
4. a kind of aerosil coating according to claim 1, it is characterised in that layered compound is specific
For montmorillonite, talcum, the phyllosilicate such as kaolinite or micarex.
5. a kind of aerosil coating according to claim 1, it is characterised in that layered compound is specific
For graphene oxide powder, the graphene oxide powder is to be handled by the redox to graphite and manufactured.
6. a kind of aerosil coating according to claim 1, it is characterised in that the water paint is specially
Aqueous polyurethane, aqueous epoxy resins or water-based alcohol ester resin.
7. a kind of aerosil coating according to claim 1 and its application, it is characterised in that the titanium dioxide
Silica aerogel coating is coated to wall or metal, the surface of plastic basis material, is treated its solidification using spraying or the coating method of roller coat
Film forming.
8. a kind of aerosil coating according to claim 7 and its application, it is characterised in that the titanium dioxide
The micro curing agent of the preferable addition of silica aerogel coating, the curing agent is preferably normal temperature cure agent.
9. a kind of aerosil coating according to claim 7 and its application, it is characterised in that described to be solidified into
The time of film is 15-40min.
10. a kind of aerosil coating according to claim 7 and its application, it is characterised in that the coating
Thickness be 0.3-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710615986.7A CN107523103A (en) | 2017-07-26 | 2017-07-26 | A kind of aerosil coating and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710615986.7A CN107523103A (en) | 2017-07-26 | 2017-07-26 | A kind of aerosil coating and its application |
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| Publication Number | Publication Date |
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| CN107523103A true CN107523103A (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710615986.7A Withdrawn CN107523103A (en) | 2017-07-26 | 2017-07-26 | A kind of aerosil coating and its application |
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| CN (1) | CN107523103A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108264833A (en) * | 2018-01-31 | 2018-07-10 | 华南理工大学 | Zinc-plated hanging tool coating of graphene thermal that a kind of resistance to strong acid of high temperature resistant impregnates and preparation method thereof |
| CN108383949A (en) * | 2018-04-01 | 2018-08-10 | 中鸿纳米纤维技术丹阳有限公司 | A kind of silica aerogel insulation quilt surface modifier of environment-friendly and green |
| CN108410320A (en) * | 2018-04-01 | 2018-08-17 | 中鸿纳米纤维技术丹阳有限公司 | A kind of high heat insulating ability aeroge coating based on silica |
| CN109912837A (en) * | 2019-03-18 | 2019-06-21 | 华南理工大学 | A kind of hydrophobicity graphene aerogel coating flame retarded rigid polyurethane foams and preparation method thereof |
| CN113897138A (en) * | 2021-11-01 | 2022-01-07 | 德汇新材料科技南通有限公司 | Powder aerogel and preparation method thereof |
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| CN102079949A (en) * | 2010-12-22 | 2011-06-01 | 李志� | Preparation method of nanometer aerogel heat-insulation coating |
| CN104231798A (en) * | 2013-06-19 | 2014-12-24 | 河南工业大学 | Modified silicon dioxide aerogel microsphere thermal-insulation coating |
| CN104497729A (en) * | 2014-12-15 | 2015-04-08 | 苏州同玄新材料有限公司 | Aerogel anti-dewing paint, and preparation method and application thereof |
| CN105820690A (en) * | 2016-04-25 | 2016-08-03 | 孙华杰 | Preparation method and application of water-based silicon dioxide aerogel reflective heat insulation coating |
| CN106118307A (en) * | 2016-07-05 | 2016-11-16 | 马承银 | A kind of building coating with heat-insulation and heat-preservation function and preparation method thereof |
-
2017
- 2017-07-26 CN CN201710615986.7A patent/CN107523103A/en not_active Withdrawn
Patent Citations (5)
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|---|---|---|---|---|
| CN102079949A (en) * | 2010-12-22 | 2011-06-01 | 李志� | Preparation method of nanometer aerogel heat-insulation coating |
| CN104231798A (en) * | 2013-06-19 | 2014-12-24 | 河南工业大学 | Modified silicon dioxide aerogel microsphere thermal-insulation coating |
| CN104497729A (en) * | 2014-12-15 | 2015-04-08 | 苏州同玄新材料有限公司 | Aerogel anti-dewing paint, and preparation method and application thereof |
| CN105820690A (en) * | 2016-04-25 | 2016-08-03 | 孙华杰 | Preparation method and application of water-based silicon dioxide aerogel reflective heat insulation coating |
| CN106118307A (en) * | 2016-07-05 | 2016-11-16 | 马承银 | A kind of building coating with heat-insulation and heat-preservation function and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108264833A (en) * | 2018-01-31 | 2018-07-10 | 华南理工大学 | Zinc-plated hanging tool coating of graphene thermal that a kind of resistance to strong acid of high temperature resistant impregnates and preparation method thereof |
| CN108264833B (en) * | 2018-01-31 | 2020-06-19 | 华南理工大学 | High-temperature-resistant strong-acid-soaking-resistant graphene hot-dip galvanizing hanger coating and preparation method thereof |
| CN108383949A (en) * | 2018-04-01 | 2018-08-10 | 中鸿纳米纤维技术丹阳有限公司 | A kind of silica aerogel insulation quilt surface modifier of environment-friendly and green |
| CN108410320A (en) * | 2018-04-01 | 2018-08-17 | 中鸿纳米纤维技术丹阳有限公司 | A kind of high heat insulating ability aeroge coating based on silica |
| CN109912837A (en) * | 2019-03-18 | 2019-06-21 | 华南理工大学 | A kind of hydrophobicity graphene aerogel coating flame retarded rigid polyurethane foams and preparation method thereof |
| CN109912837B (en) * | 2019-03-18 | 2021-09-21 | 华南理工大学 | Flame-retardant rigid polyurethane foam with hydrophobic graphene aerogel coating and preparation method thereof |
| CN113897138A (en) * | 2021-11-01 | 2022-01-07 | 德汇新材料科技南通有限公司 | Powder aerogel and preparation method thereof |
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Application publication date: 20171229 |