CN103964448A - Method for preparing monodisperse silicon dioxide nanoparticle sol for paint - Google Patents
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- CN103964448A CN103964448A CN201410194384.5A CN201410194384A CN103964448A CN 103964448 A CN103964448 A CN 103964448A CN 201410194384 A CN201410194384 A CN 201410194384A CN 103964448 A CN103964448 A CN 103964448A
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 106
- 235000012239 silicon dioxide Nutrition 0.000 title claims abstract description 46
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 26
- 239000002105 nanoparticle Substances 0.000 title claims abstract description 16
- 239000003973 paint Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 239000005543 nano-size silicon particle Substances 0.000 claims description 29
- 239000011248 coating agent Substances 0.000 claims description 23
- 238000000576 coating method Methods 0.000 claims description 23
- 238000002360 preparation method Methods 0.000 claims description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 17
- 238000002156 mixing Methods 0.000 claims description 16
- 239000000243 solution Substances 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- 239000013543 active substance Substances 0.000 claims description 9
- -1 polyoxyethylene Polymers 0.000 claims description 9
- 239000012153 distilled water Substances 0.000 claims description 8
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 7
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- 230000035484 reaction time Effects 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 3
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 2
- 239000011203 carbon fibre reinforced carbon Chemical group 0.000 claims description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 2
- 239000008199 coating composition Substances 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 150000004665 fatty acids Chemical class 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- TZMFJUDUGYTVRY-UHFFFAOYSA-N pentane-2,3-dione Chemical compound CCC(=O)C(C)=O TZMFJUDUGYTVRY-UHFFFAOYSA-N 0.000 claims description 2
- 229920000223 polyglycerol Polymers 0.000 claims description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 13
- 239000006185 dispersion Substances 0.000 abstract description 10
- 239000004094 surface-active agent Substances 0.000 abstract 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 abstract 1
- 239000002243 precursor Substances 0.000 abstract 1
- 229960001866 silicon dioxide Drugs 0.000 description 37
- 239000003795 chemical substances by application Substances 0.000 description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical class OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 5
- 239000004925 Acrylic resin Substances 0.000 description 4
- 229920000178 Acrylic resin Polymers 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000012752 auxiliary agent Substances 0.000 description 4
- 239000013530 defoamer Substances 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 230000008719 thickening Effects 0.000 description 4
- 238000001132 ultrasonic dispersion Methods 0.000 description 4
- 239000004972 Polyurethane varnish Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- RBNPOMFGQQGHHO-UHFFFAOYSA-N glyceric acid Chemical compound OCC(O)C(O)=O RBNPOMFGQQGHHO-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 229920003180 amino resin Polymers 0.000 description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 2
- 238000004581 coalescence Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000019439 ethyl acetate Nutrition 0.000 description 2
- 238000009775 high-speed stirring Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 239000004922 lacquer Substances 0.000 description 2
- 239000006224 matting agent Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004584 polyacrylic acid Substances 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Silicon Compounds (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to a method for preparing a monodisperse silicon dioxide nanoparticle sol for paint, which comprises the following steps: with tetraethyl orthosilicate as a precursor, preparing the mixture of a nanometer silicon dioxide sol and a surfactant by an ultrasonic means, and with the mixture of the nanometer silicon dioxide sol and the surfactant as a primary component, obtaining a nanometer silicon dioxid organic sol and a hydrosol, which have a uniform dispersion particle size and a small dispersion size. The monodisperse silicon dioxide nanoparticle sol is colorless and transparent, extends a new application scope for the paint and improves the dispersion of nano particles in the paint, thereby improving the performance and the quality of the paint.
Description
Technical field
The present invention relates to technical field of nano material, relate in particular to a kind of coating and use monodisperse nano silicon dioxide colloidal sol Application and preparation field.
Background technology
Inorganic nano-particle has the performances such as special optics, electricity and surfactivity.The features such as it is little that nano-silicon dioxide particle wherein has particle, and specific surface area is large, are used widely in paint field with its superior wetting ability, stability, reinforcement, thickening property, thixotropy and extinction.But because inorganic nano-particle grain size is little, specific surface area and surface tension are large, very easily adsorb and produce reunion, form aggregate and agglomerate.Therefore improve the dispersiveness of Nano particles of silicon dioxide in coating particularly important for silica modified coating, must control the mode reassociating of nanoparticle and state to avoid self aggregation and they can be dispersed among coating, the validity of the silica modified coating of guarantee like this, the performance of raising coating.
In current prior art: adopt nano-powder machinery to disperse technology of preparing be difficult to be dispersed to Nano grade and ensure uniform dispersion effect, and this technology of preparing cannot suppress the gathering again of discrete particles at all; And also have some that powder is prepared to silicon dioxide gel redispersion to the method in coating, but complex process, power consumption is large.And that existing sol-gel method is prepared the particle size dispersion yardstick of the nanoparticle that nano silicon method obtains is too large, affect and the mixed dispersion effect of coating system.So the key issue of the industrialization of silicon-dioxide coating is exactly the dispersiveness of raising Nano particles of silicon dioxide in coating of wanting efficient energy-saving, the silicon dioxide gel that simple and efficient preparation particle size dispersion yardstick is little is most important for improving silica modified application of paints scope.
Summary of the invention
In order to solve problems of the prior art, the invention provides a kind of coating monodisperse silica nanoparticle sol preparation method, the mixture that adopts ultrasonic means to prepare nano silicon dioxide sol and tensio-active agent taking tetraethoxy as presoma is chief component thing, obtain thering is nano silicon organosol and the water-sol that dispersed particle size dispersion yardstick is little, its water white transparency, for application of paints has been expanded the new scope of application, thereby improve the dispersiveness of nanoparticle in coating and promoted performance and the quality of coating.
To achieve these goals, monodisperse nano silicon dioxide colloidal sol preparation method provided by the invention, comprises the following steps:
(1) by adding basic catalyst after tetraethoxy, solvent and distilled water mixing in ultrasonic situation, continue ultrasonic reaction and obtain Nano particles of silicon dioxide colloidal sol;
(2) tensio-active agent is joined among Nano silica sol, stir.
Preferably, the basic catalyst in step (1) is ammoniacal liquor.
Preferably, described solvent is one or the mixed solution in the organic solvents such as methyl alcohol, ethanol, Virahol, acetone, methyl ethyl diketone, wherein tetraethoxy content in mixing solutions is 6 ~ 18.2wt%, and distilled water content in mixing solutions is 4 ~ 20wt%, and surplus is solvent; Ammoniacal liquor refers to that content is the saturated concentrated ammonia solution of 25 ~ 28wt%, and its content in mixing solutions is 6 ~ 8.5wt%.
Preferably, in described step (1), controlling temperature of reaction is 0 ~ 90 DEG C, and described ultrasonic frequency is preferably 10-100KHz, and the reaction times is 3 ~ 8 hours.
Preferably, the tensio-active agent in described step (2) is one or the mixture of the tensio-active agent of hydroxyl, amino, carbon-carbon double bond or carboxyl.
Preferably, described tensio-active agent is nonionogenic tenside, more preferably one or more mixtures in N-Methyl pyrrolidone, polyoxyethylene aliphatic alcohol ether, polyxyethylated alkylphenol, polyglycerol fatty acid, polypropylene glycerol aether, fatty alcohol-polyoxyethylene ether.
Preferably, the mass ratio that nonionogenic tenside mixes with silicon dioxide gel is (1 ~ 2): 10, stir 10 minutes.
The present invention also provides the application in modified paint of nano silicon dioxide sol that above-mentioned preparation method prepares.
Preferably, in above-mentioned application, it is 0.4-20% that silicon dioxide gel accounts for coating composition total mass ratio.。
The monodisperse silica nanoparticle sol that the present invention prepares has following beneficial effect: size distribution is even, good dispersity, technique is simple, and application is convenient, especially colloidal sol clear, colorless, can not affect transparency in the construction of the transparent surface such as glass, plastics.Thereby keep good dispersiveness to improve the performance such as weathering resistance and stability in storage of coating in the whole process of preparation and modified paint.
Embodiment
For making those skilled in the art understand better technical scheme of the present invention, below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1
The present embodiment provides the preparation method of a kind of coating monodisperse nano silicon dioxide colloidal sol, comprises the following steps:
Tetraethoxy 5.5ml and distilled water 2ml are joined among ethanol 80ml; ultrasonic dispersion; obtain mixing solutions; the saturated ammonia aqueous solution of 4.5ml, 25wt% is dissolved in to ethanol 20ml; at the uniform velocity join in above-mentioned mixing solutions and go with the speed of 3ml/min; keeping during this time temperature of reaction is 23 ~ 30 DEG C, always ultrasonic in reaction process, and ultrasonic frequency is 28KHz; Reaction times is 3 hours, obtains nanometer
particle content be about 2.5wt% silicon sol, particle diameter is 2 ~ 20nm.
2.5g silicon sol is dissolved among 2.5g ethanol, adds non-ionic surfactant polyoxyethylene alkyl phenol ether 0.25g, stirring obtains monodisperse nano silicon dioxide colloidal sol.
With the sol-gel modified acroleic acid polyurethane varnish of monodisperse nano silicon dioxide, concrete composition and ratio according to acroleic acid polyurethane varnish is as follows: component concentration (wt%) nano silicon dioxide sol 20, acrylate copolymer 55, propylene glycol diether acetic ester 18, catalyzer 0.5, stablizer 0.2, other auxiliary agents 1.3, solidifying agent 15.First under stirring state, add silicon dioxide gel propylene glycol diether acetic ester and acrylate copolymer, then, adding flow agent, catalyzer, stablizer and other auxiliary agents, finally add solidifying agent.Add hardness raising, UV resistant and the contamination resistance of acroleic acid polyurethane varnish after nano silicon dioxide sol greatly to improve.
Embodiment 2
The present embodiment provides the preparation method of a kind of coating monodisperse nano silicon dioxide glue, comprises the following steps:
Tetraethoxy 7.5ml and distilled water 4ml are joined to acetone 70ml to be mixed; ultrasonic dispersion; obtain mixing solutions; the saturated ammonia aqueous solution of 6.5ml, 25wt% is dissolved in to acetone 20ml; at the uniform velocity join in above-mentioned mixing solutions and go with the speed of 3ml/min; keeping during this time temperature of reaction is 23 ~ 30 DEG C, always ultrasonic in reaction process, and ultrasonic frequency is 28KHz; Reaction times is 3 hours, obtains nanometer
particle content be about 4.7wt% silicon sol, particle diameter is 2 ~ 20nm.
2.5g silicon sol is dissolved among 2.5g acetone, adds nonionogenic tenside polyoxypropylene glycerol ether 0.25g to stir and obtain transparent monodisperse nano silicon dioxide colloidal sol.
With the sol-gel modified finishing paint of monodisperse nano silicon dioxide, concrete composition and ratio according to finishing paint is as follows: component concentration (wt%) nano silicon dioxide sol 17, hydroxyl acrylic resin 65, thinner 10, flow agent 0.2, solidifying agent 19.First under stirring state, add silicon dioxide gel, thinner and hydroxyl acrylic resin, then adding flow agent, solidifying agent.Add wearability, waterproof and the pollution-proof performance of finishing paint coating after nano silicon dioxide sol greatly to improve.
Embodiment 3
The present embodiment provides the preparation method of a kind of coating monodisperse nano silicon dioxide glue, comprises the following steps:
Tetraethoxy 5.5ml and distilled water 20ml are joined to ethanol 55ml to be mixed; ultrasonic dispersion; obtain mixing solutions; the saturated ammonia aqueous solution of 4ml, 25wt% is dissolved in to ethanol 20ml; at the uniform velocity join in above-mentioned mixing solutions and go with the speed of 3ml/min; keeping during this time temperature of reaction is 23 ~ 30 DEG C, always ultrasonic in reaction process, and ultrasonic frequency is 28KHz; Reaction times is 3 hours, obtains nanometer
content be about 2.08wt% silicon sol, particle diameter is 2 ~ 20nm.
2.5g silicon sol is dissolved among 2.5g ethanol, adds nonionogenic tenside polyoxypropylene glycerol ether 0.25g to stir and obtain transparent monodisperse nano silicon dioxide colloidal sol.
With the sol-gel modified aqueous woodware paint of monodisperse nano silicon dioxide, concrete composition and ratio according to aqueous woodware paint is as follows: component concentration (wt%) nano silicon dioxide sol 20, water polyacrylic acid emulsion 35, aqueous polyurethane emulsion 30, film coalescence aid 9, wetting dispersing agent 2, flow agent 0.2, mould inhibitor 0.2, defoamer 1, thickening material 1, glue crosslinking agent 1, matting agent 0.6.First in high-speed stirring situation, add silicon dioxide gel and wetting dispersing agent, then add defoamer, water polyacrylic acid emulsion, aqueous polyurethane emulsion, film coalescence aid and other various auxiliary agents in the stirring at low speed stage.Finally add as required thickening material and flow agent.Add weathering resistance abrasion resistance and the stability in storage of coating after nano silicon dioxide sol greatly to improve.
Embodiment 4
The present embodiment provides the preparation method of a kind of coating monodisperse nano silicon dioxide glue, comprises the following steps:
Tetraethoxy 7.5ml and distilled water 20ml are joined to alcohol 95 ml and mix, ultrasonic dispersion, obtains mixing solutions, and the saturated ammonia aqueous solution of 4ml, 25wt% is joined in above-mentioned mixing solutions and gone, and temperature of reaction is 23 ~ 30 DEG C, and ultrasonic frequency is 28KHz; Reaction times is 3 hours, obtains nanometer
content be about 4.4wt% silicon sol, particle diameter is 2 ~ 20nm.
Among 2.5g silicon sol, add nonionogenic tenside polyoxypropylene glycerol ether 0.25g to stir and obtain transparent monodisperse nano silicon dioxide colloidal sol.
With the sol-gel modified automobile metal surface lacquer of monodisperse nano silicon dioxide, as follows according to the concrete composition and ratio of automobile metal surface lacquer: component concentration (wt%) nano silicon dioxide sol 5, Hydroxylated acrylic resin 28, aminoresin 22.5, vibrin 4.5, dimethylbenzene 15, N-BUTYL ACETATE 10, anti-settling agent 2, cellulose acetate 10, dispersion agent 0.2, mould inhibitor 0.2, defoamer 1, thickening material 1, matting agent 0.6.First in high-speed stirring situation, add silicon dioxide gel and dispersion agent, then add defoamer, Hydroxylated acrylic resin, aminoresin, vibrin and other various auxiliary agents in the stirring at low speed stage.Add weathering resistance abrasion resistance and the stability in storage of coating after nano silicon dioxide sol greatly to improve.
Be understandable that, above embodiment is only used to principle of the present invention is described and the illustrative embodiments that adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (10)
1. a monodisperse nano silicon dioxide colloidal sol preparation method for coating, comprises the following steps:
(1) by adding basic catalyst after tetraethoxy, solvent and distilled water mixing in ultrasonic situation, continue ultrasonic reaction and obtain Nano particles of silicon dioxide colloidal sol;
(2) tensio-active agent is joined among Nano silica sol, stir and obtain.
2. preparation method according to claim 1, is characterized in that, the basic catalyst in step (1) is ammoniacal liquor.
3. preparation method according to claim 1, is characterized in that, the solvent in described step (1) is one or the mixed solution in methyl alcohol, ethanol, Virahol, acetone, methyl ethyl diketone.
4. preparation method according to claim 2, it is characterized in that, wherein tetraethoxy content in mixing solutions is 6 ~ 18.2wt%, and distilled water content in mixing solutions is 4 ~ 20wt%, the content of ammoniacal liquor in mixing solutions is 6 ~ 8.5wt%, and surplus is solvent.
5. preparation method according to claim 4, is characterized in that, ammoniacal liquor refers to that content is the saturated concentrated ammonia solution of 25 ~ 28wt%.
6. preparation method according to claim 1, is characterized in that, in described step (1), controlling temperature of reaction is 0 ~ 90 DEG C, and described ultrasonic frequency is 10-100KHz, and the reaction times is 3 ~ 8 hours.
7. preparation method according to claim 1, is characterized in that, the tensio-active agent in described step (2) is a kind of or multiple mixture of the tensio-active agent of hydroxyl, amino, carbon-carbon double bond or carboxyl.
8. preparation method according to claim 8, it is characterized in that, tensio-active agent in described step (2) is one or more mixtures in nonionogenic tenside N-Methyl pyrrolidone, polyoxyethylene aliphatic alcohol ether, polyxyethylated alkylphenol, polyglycerol fatty acid, polypropylene glycerol aether, fatty alcohol-polyoxyethylene ether, the mass ratio that wherein nonionogenic tenside mixes with silicon dioxide gel is (1 ~ 2): 10, stir 10 minutes.
9. the application of the nano silicon dioxide sol preparing according to the preparation method described in any one in claim 1-8 in modified paint.
10. according to the application described in claim 9, it is characterized in that, it is 0.4-20% that silicon dioxide gel accounts for coating composition total mass ratio.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104129790A (en) * | 2014-08-18 | 2014-11-05 | 奇瑞汽车股份有限公司 | Nano SiO2 microsphere, water-repelling agent, preparation methods of nano SiO2 microsphere and water-repelling agent, and water-repelling glass |
| CN105565327A (en) * | 2015-12-17 | 2016-05-11 | 中国工程物理研究院激光聚变研究中心 | Silicon dioxide nano sol and preparation method thereof |
| CN105733324A (en) * | 2016-04-05 | 2016-07-06 | 四川理工学院 | Transparent super-hydrophilic coating emulsion and preparation method thereof |
| CN106744998A (en) * | 2017-01-17 | 2017-05-31 | 清华大学 | A kind of controllable amorphous monodisperse nano silicon dioxide raw powder's production technology of granularity |
| CN107033650A (en) * | 2017-05-08 | 2017-08-11 | 奇瑞汽车股份有限公司 | A kind of preparation method of antifouling antibacterial composite coating |
| CN108532295A (en) * | 2018-01-25 | 2018-09-14 | 南通唐盛纺织有限公司 | The crease-resistant textile of nano-elastic silica sol and processing technology |
| CN108557829A (en) * | 2018-06-28 | 2018-09-21 | 湖南荣岚智能科技有限公司 | A kind of preparation method of high heat stability silica-based aerogel |
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| CN109896526A (en) * | 2019-04-01 | 2019-06-18 | 淮南师范学院 | A kind of synthesis of Nano silica sol and application method |
| CN110643214A (en) * | 2019-10-24 | 2020-01-03 | 广州市飞雪材料科技有限公司 | High-dispersity precipitated silica anti-settling agent for coating and preparation method thereof |
| CN111748318A (en) * | 2020-07-28 | 2020-10-09 | 上海大学 | Popcorn-like silica sol, preparation method and application thereof |
| CN113667181A (en) * | 2021-08-27 | 2021-11-19 | 上海大学 | A kind of modified nano-sol and refractory coating and preparation method |
| CN114302922A (en) * | 2019-11-20 | 2022-04-08 | 东曹硅化工株式会社 | Surface Treatment Precipitated Silica for Waterborne Coatings |
| CN116143130A (en) * | 2023-01-16 | 2023-05-23 | 中交上海三航科学研究院有限公司 | Water-dispersible sol of hydrophobic fumed silica and preparation method thereof |
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| CN103482882A (en) * | 2013-09-13 | 2014-01-01 | 奇瑞汽车股份有限公司 | Water-absorbing anti-fog glass manufacturing method |
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| CN103482882A (en) * | 2013-09-13 | 2014-01-01 | 奇瑞汽车股份有限公司 | Water-absorbing anti-fog glass manufacturing method |
Cited By (18)
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| CN104129790A (en) * | 2014-08-18 | 2014-11-05 | 奇瑞汽车股份有限公司 | Nano SiO2 microsphere, water-repelling agent, preparation methods of nano SiO2 microsphere and water-repelling agent, and water-repelling glass |
| CN105565327A (en) * | 2015-12-17 | 2016-05-11 | 中国工程物理研究院激光聚变研究中心 | Silicon dioxide nano sol and preparation method thereof |
| CN105733324A (en) * | 2016-04-05 | 2016-07-06 | 四川理工学院 | Transparent super-hydrophilic coating emulsion and preparation method thereof |
| CN105733324B (en) * | 2016-04-05 | 2017-12-26 | 四川理工学院 | A kind of transparent super-hydrophilic coating emulsion and preparation method thereof |
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Application publication date: 20140806 |