CN108410320A - A kind of high heat insulating ability aeroge coating based on silica - Google Patents
A kind of high heat insulating ability aeroge coating based on silica Download PDFInfo
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- CN108410320A CN108410320A CN201810279612.7A CN201810279612A CN108410320A CN 108410320 A CN108410320 A CN 108410320A CN 201810279612 A CN201810279612 A CN 201810279612A CN 108410320 A CN108410320 A CN 108410320A
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- heat insulating
- aeroge
- high heat
- silica
- insulating ability
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
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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
- C09D7/63—Additives non-macromolecular organic
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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
- C09D7/65—Additives macromolecular
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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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
A kind of high heat insulating ability aeroge coating based on silica proposed by the present invention, aqueous bottom material is used as using aerogel powder and aqueous epoxy resins mixing, collocation lamellar compound, surfactant, coalescents and antifoaming agent are made, aeroge coating high uniformity obtained, moulding property are good, and has great waterproof moisture resistance performance, meanwhile quick solidifying, heat preservation and insulation are outstanding.
Description
Technical field
The present invention relates to aeroge production application field, especially a kind of high heat insulating ability aeroge based on silica applies
Material.
Background technology
Aerosil has nanoaperture, is a kind of porous solid material, has low-density, high porosity
Design feature has superinsulation performance.Using silica aerosil microballoon and coating membrane-forming materials combine, formation has
The coating of super heat-insulating property.
Aeroge coating currently sold on the market has the easy moisture absorption more, meets water cracking, and practicability substantially reduces,
And heat preservation property is not also relatively strong.
Invention content
The present invention is in view of the above-mentioned problems, the invention discloses a kind of high heat insulating ability aeroge coating based on silica.
Specific technical solution is as follows：
A kind of high heat insulating ability aeroge coating based on silica, which is characterized in that count in parts by weight, including with the following group
Point：
150 parts of aeroge mixed slurry；
5 ~ 10 parts of lamellar compound；
5 ~ 10 parts of surfactant；
3 ~ 5 parts of coalescents；
1 ~ 2 part of antifoaming agent；
The aeroge mixed slurry is mixed by aerogel powder and aqueous epoxy resins, wherein aerogel powder and water
Property epoxy resin mass ratio be 1:1~2；
A kind of high heat insulating ability aeroge coating based on silica, preparation method include step in detail below：
1, high speed mixer is added in aeroge mixed slurry, keeps 3000R/min, lamellar compound is added, stirred 30 minutes,
Obtain mixed slurry A；
2, continue to be stirred slurry A, and it is synchronous be added surfactant, after stirring 30 minutes, sequentially add coalescents and
Antifoaming agent continues stirring 40 minutes to get high heat insulating ability aeroge coating finished product；
Wherein, layered compound is graphene powder, and the coalescents are Lauryl Alcohol ester, and the antifoaming agent is poly- for silicon
Ether defoaming agent；
Wherein, the surfactant is a kind of non-ionic polyacrylamide class surface modifier, and preparation method includes following
Step：
A, polyacrylamide is mixed with water, polyacrylamide solution is made；
B, surface active monomer and sodium phosphate are added into polyacrylamide solution, obtains mixed solution A；
C, the pH value of mixed solution A is adjusted to 8~10, is then passed to high pure nitrogen and is bubbled deoxygenation；
D, the mixed solution A after deoxygenation, be sent into reaction kettle, and with 30 minutes in, be warming up to 40 ~ 45 DEG C, then be added oxidation ring
Hexanone, and reacts 2 hours at 50 DEG C；
E, it waits for that step 4 reaction is completed, methyl epichlorohydrin is added, then raises temperature to 50 ~ 60 DEG C, keeps the temperature 3 hours, it is adjoint to stir
It mixes, waits for that reaction is completed to get surface modifier finished product.
Above-mentioned a kind of high heat insulating ability aeroge coating based on silica, wherein the surface active monomer is third
The mixture of one or both of acrylamide, Methacrylamide.
A kind of above-mentioned high heat insulating ability aeroge coating based on silica, wherein the polyacrylamide solution
A concentration of 60 ~ 72%.
A kind of above-mentioned high heat insulating ability aeroge coating based on silica, wherein the polyacrylamide solution,
The mass ratio of surface active monomer and sodium phosphate is 1：0.05~0.06：0.01~0.02.
Above-mentioned a kind of high heat insulating ability aeroge coating based on silica, wherein reacted in the reaction kettle
When, nitrogen protection need to be passed through.
Above-mentioned a kind of high heat insulating ability aeroge coating based on silica, wherein the mixed solution A and oxidation ring
The mass ratio of hexanone is 1：0.02.
A kind of above-mentioned high heat insulating ability aeroge coating based on silica, wherein the methyl epichlorohydrin with
The mass ratio of polyacrylamide solution is 1:0.001~0.01.
Beneficial effects of the present invention are：
A kind of high heat insulating ability aeroge coating based on silica proposed by the present invention, using aerogel powder and water-base epoxy
Resin mixing is used as aqueous bottom material, collocation lamellar compound, surfactant, coalescents and antifoaming agent to be made, gas obtained
Gel coating high uniformity, moulding property are good, and have great waterproof moisture resistance performance, meanwhile, quick solidifying, heat preservation and insulation
It is outstanding.
Specific implementation mode
It is clear to make technical scheme of the present invention be more clear, below the present invention is described further, it is any to this
The technical characteristic of inventive technique scheme carries out the scheme that equivalencing is obtained with conventional reasoning and each falls within the scope of the present invention.
Embodiment one
A kind of high heat insulating ability aeroge coating based on silica, which is characterized in that count in parts by weight, including with the following group
Point：
150 parts of aeroge mixed slurry；
5 parts of lamellar compound；
10 parts of surfactant；
5 parts of coalescents；
2 parts of antifoaming agent；
The aeroge mixed slurry is mixed by aerogel powder and aqueous epoxy resins, wherein aerogel powder and water
Property epoxy resin mass ratio be 1:1；
A kind of high heat insulating ability aeroge coating based on silica, preparation method include step in detail below：
1, high speed mixer is added in aeroge mixed slurry, keeps 3000R/min, lamellar compound is added, stirred 30 minutes,
Obtain mixed slurry A；
2, continue to be stirred slurry A, and it is synchronous be added surfactant, after stirring 30 minutes, sequentially add coalescents and
Antifoaming agent continues stirring 40 minutes to get high heat insulating ability aeroge coating finished product；
Wherein, layered compound is graphene powder, and the coalescents are Lauryl Alcohol ester, and the antifoaming agent is poly- for silicon
Ether defoaming agent；
Wherein, the surfactant is a kind of non-ionic polyacrylamide class surface modifier, and preparation method includes following
Step：
A, polyacrylamide is mixed with water, polyacrylamide solution is made；
B, surface active monomer and sodium phosphate are added into polyacrylamide solution, obtains mixed solution A；
C, the pH value of mixed solution A is adjusted to 8~10, is then passed to high pure nitrogen and is bubbled deoxygenation；
D, the mixed solution A after deoxygenation, be sent into reaction kettle, and with 30 minutes in, be warming up to 40 DEG C, then be added oxidation hexamethylene
Ketone, and reacts 2 hours at 50 DEG C；
E, it waits for that step 4 reaction is completed, methyl epichlorohydrin is added, then raises temperature to 55 DEG C, keeps the temperature 3 hours, with stirring, waits for
Reaction is completed to get surface modifier finished product.
Wherein, the surface active monomer be acrylamide, a concentration of the 66% of the polyacrylamide solution, it is described
The mass ratio of polyacrylamide solution, surface active monomer and sodium phosphate is 1：0.05：0.01, the reaction kettle is interior to carry out instead
At once, nitrogen protection need to be passed through, the mass ratio of the mixed solution A and peroxyester is 1：0.02, the methyl epoxy chlorine
The mass ratio of propane and polyacrylamide solution is 1:0.005.
Embodiment two
A kind of high heat insulating ability aeroge coating based on silica, which is characterized in that count in parts by weight, including with the following group
Point：
150 parts of aeroge mixed slurry；
10 parts of lamellar compound；
10 parts of surfactant；
5 parts of coalescents；
2 parts of antifoaming agent；
The aeroge mixed slurry is mixed by aerogel powder and aqueous epoxy resins, wherein aerogel powder and water
Property epoxy resin mass ratio be 1: 2；
A kind of high heat insulating ability aeroge coating based on silica, preparation method include step in detail below：
1, high speed mixer is added in aeroge mixed slurry, keeps 3000R/min, lamellar compound is added, stirred 30 minutes,
Obtain mixed slurry A；
2, continue to be stirred slurry A, and it is synchronous be added surfactant, after stirring 30 minutes, sequentially add coalescents and
Antifoaming agent continues stirring 40 minutes to get high heat insulating ability aeroge coating finished product；
Wherein, layered compound is graphene powder, and the coalescents are Lauryl Alcohol ester, and the antifoaming agent is poly- for silicon
Ether defoaming agent；
Wherein, the surfactant is a kind of non-ionic polyacrylamide class surface modifier, and preparation method includes following
Step：
A, polyacrylamide is mixed with water, polyacrylamide solution is made；
B, surface active monomer and sodium phosphate are added into polyacrylamide solution, obtains mixed solution A；
C, the pH value of mixed solution A is adjusted to 8~10, is then passed to high pure nitrogen and is bubbled deoxygenation；
D, the mixed solution A after deoxygenation, be sent into reaction kettle, and with 30 minutes in, be warming up to 45 DEG C, then be added oxidation hexamethylene
Ketone, and reacts 2 hours at 50 DEG C；
E, it waits for that step 4 reaction is completed, methyl epichlorohydrin is added, then raises temperature to 60 DEG C, keeps the temperature 3 hours, with stirring, waits for
Reaction is completed to get surface modifier finished product.
Wherein, the surface active monomer be Methacrylamide, a concentration of the 70% of the polyacrylamide solution,
The mass ratio of the polyacrylamide solution, surface active monomer and sodium phosphate is 1：0.055：0.02, wherein described anti-
It answers when being reacted in kettle, need to be passed through nitrogen protection, the mass ratio of the mixed solution A and peroxyester is 1：0.02, institute
The mass ratio for stating methyl epichlorohydrin and polyacrylamide solution is 1:0.007.
Embodiment three
A kind of high heat insulating ability aeroge coating based on silica, which is characterized in that count in parts by weight, including with the following group
Point：
150 parts of aeroge mixed slurry；
8 parts of lamellar compound；
5 parts of surfactant；
3 parts of coalescents；
2 parts of antifoaming agent；
The aeroge mixed slurry is mixed by aerogel powder and aqueous epoxy resins, wherein aerogel powder and water
Property epoxy resin mass ratio be 1:2；
A kind of high heat insulating ability aeroge coating based on silica, preparation method include step in detail below：
1, high speed mixer is added in aeroge mixed slurry, keeps 3000R/min, lamellar compound is added, stirred 30 minutes,
Obtain mixed slurry A；
2, continue to be stirred slurry A, and it is synchronous be added surfactant, after stirring 30 minutes, sequentially add coalescents and
Antifoaming agent continues stirring 40 minutes to get high heat insulating ability aeroge coating finished product；
Wherein, layered compound is graphene powder, and the coalescents are Lauryl Alcohol ester, and the antifoaming agent is poly- for silicon
Ether defoaming agent；
Wherein, the surfactant is a kind of non-ionic polyacrylamide class surface modifier, and preparation method includes following
Step：
A, polyacrylamide is mixed with water, polyacrylamide solution is made；
B, surface active monomer and sodium phosphate are added into polyacrylamide solution, obtains mixed solution A；
C, the pH value of mixed solution A is adjusted to 8~10, is then passed to high pure nitrogen and is bubbled deoxygenation；
D, the mixed solution A after deoxygenation, be sent into reaction kettle, and with 30 minutes in, be warming up to 45 DEG C, then be added oxidation hexamethylene
Ketone, and reacts 2 hours at 50 DEG C；
E, it waits for that step 4 reaction is completed, methyl epichlorohydrin is added, then raises temperature to 60 DEG C, keeps the temperature 3 hours, with stirring, waits for
Reaction is completed to get surface modifier finished product.
Wherein, the surface active monomer is acrylamide, Methacrylamide with 1:1 mass ratio mixes mixed
Conjunction object, a concentration of the 72% of the polyacrylamide solution, the polyacrylamide solution, surface active monomer and phosphoric acid
The mass ratio of sodium is 1：0.06：0.02, when being reacted in the reaction kettle, nitrogen protection need to be passed through, the mixed solution A with
The mass ratio of peroxyester is 1：0.02, the mass ratio of the methyl epichlorohydrin and polyacrylamide solution is 1:
0.01。
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
Should all it cover within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection domain of claims
Subject to.
Claims (7)
1. a kind of high heat insulating ability aeroge coating based on silica, which is characterized in that count in parts by weight, including with the following group
Point：
150 parts of aeroge mixed slurry；
5 ~ 10 parts of lamellar compound；
5 ~ 10 parts of surfactant；
3 ~ 5 parts of coalescents；
1 ~ 2 part of antifoaming agent；
The aeroge mixed slurry is mixed by aerogel powder and aqueous epoxy resins, wherein aerogel powder and water
Property epoxy resin mass ratio be 1:1~2；
A kind of high heat insulating ability aeroge coating based on silica, preparation method include step in detail below：
（1）, by aeroge mixed slurry be added high speed mixer, keep 3000R/min, be added lamellar compound, stir 30 points
Clock obtains mixed slurry A；
（2）, continue to be stirred slurry A, and it is synchronous be added surfactant, after stirring 30 minutes, sequentially add coalescents
And antifoaming agent, continue stirring 40 minutes to get high heat insulating ability aeroge coating finished product；
Wherein, layered compound is graphene powder, and the coalescents are Lauryl Alcohol ester, and the antifoaming agent is poly- for silicon
Ether defoaming agent；
Wherein, the surfactant is a kind of non-ionic polyacrylamide class surface modifier, and preparation method includes following
Step：
A, polyacrylamide is mixed with water, polyacrylamide solution is made；
B, surface active monomer and sodium phosphate are added into polyacrylamide solution, obtains mixed solution A；
C, the pH value of mixed solution A is adjusted to 8~10, is then passed to high pure nitrogen and is bubbled deoxygenation；
D, the mixed solution A after deoxygenation, be sent into reaction kettle, and with 30 minutes in, be warming up to 40 ~ 45 DEG C, then be added oxidation ring
Hexanone, and reacts 2 hours at 50 DEG C；
E, it waits for that step 4 reaction is completed, methyl epichlorohydrin is added, then raises temperature to 50 ~ 60 DEG C, keeps the temperature 3 hours, it is adjoint to stir
It mixes, waits for that reaction is completed to get surface modifier finished product.
2. a kind of high heat insulating ability aeroge coating based on silica as described in claim 1, which is characterized in that the table
Face activated monomer is the mixture of one or both of acrylamide, Methacrylamide.
3. a kind of high heat insulating ability aeroge coating based on silica as described in claim 1, which is characterized in that described poly-
A concentration of the 60 ~ 72% of acrylamide aqueous solution.
4. a kind of high heat insulating ability aeroge coating based on silica as described in claim 1, which is characterized in that described poly-
The mass ratio of acrylamide aqueous solution, surface active monomer and sodium phosphate is 1：0.05~0.06：0.01~0.02.
5. a kind of high heat insulating ability aeroge coating based on silica as described in claim 1, which is characterized in that described anti-
It answers when being reacted in kettle, nitrogen protection need to be passed through.
6. a kind of high heat insulating ability aeroge coating based on silica as described in claim 1, which is characterized in that described mixed
The mass ratio for closing solution A and peroxyester is 1：0.02.
7. a kind of high heat insulating ability aeroge coating based on silica as described in claim 1, which is characterized in that the first
The mass ratio of base epoxychloropropane and polyacrylamide solution is 1:0.001~0.01.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810279612.7A CN108410320A (en) | 2018-04-01 | 2018-04-01 | A kind of high heat insulating ability aeroge coating based on silica |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810279612.7A CN108410320A (en) | 2018-04-01 | 2018-04-01 | A kind of high heat insulating ability aeroge coating based on silica |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109762414A (en) * | 2018-12-25 | 2019-05-17 | 广东青龙建筑工程有限公司 | Based on the modified heat retaining and insulated waterproof coating and preparation method thereof of aerosil |
| CN111117421A (en) * | 2019-12-16 | 2020-05-08 | 中国石油天然气股份有限公司 | Aerogel composite coating and application thereof in underground oil pipe |
| CN111621212A (en) * | 2020-04-29 | 2020-09-04 | 中国石油天然气股份有限公司 | High-strength aerogel thermal insulation composite coating for underground oil pipe and application method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105085896A (en) * | 2015-07-27 | 2015-11-25 | 天禾化学品（苏州）有限公司 | Preparation method for high-molecular surfactant |
| CN107523103A (en) * | 2017-07-26 | 2017-12-29 | 贵州省漆彩金州涂料有限公司 | A kind of aerosil coating and its application |
-
2018
- 2018-04-01 CN CN201810279612.7A patent/CN108410320A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105085896A (en) * | 2015-07-27 | 2015-11-25 | 天禾化学品（苏州）有限公司 | Preparation method for high-molecular surfactant |
| CN107523103A (en) * | 2017-07-26 | 2017-12-29 | 贵州省漆彩金州涂料有限公司 | A kind of aerosil coating and its application |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109762414A (en) * | 2018-12-25 | 2019-05-17 | 广东青龙建筑工程有限公司 | Based on the modified heat retaining and insulated waterproof coating and preparation method thereof of aerosil |
| CN111117421A (en) * | 2019-12-16 | 2020-05-08 | 中国石油天然气股份有限公司 | Aerogel composite coating and application thereof in underground oil pipe |
| CN111621212A (en) * | 2020-04-29 | 2020-09-04 | 中国石油天然气股份有限公司 | High-strength aerogel thermal insulation composite coating for underground oil pipe and application method thereof |
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