CN105385273A - Preparation method of nano SiO2 modified paint - Google Patents
Preparation method of nano SiO2 modified paint Download PDFInfo
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- CN105385273A CN105385273A CN201510905428.5A CN201510905428A CN105385273A CN 105385273 A CN105385273 A CN 105385273A CN 201510905428 A CN201510905428 A CN 201510905428A CN 105385273 A CN105385273 A CN 105385273A
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- nano
- modified
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- 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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to a preparation method of nano SiO2 modified paint. The preparation method comprises the following steps: at a room temperature, slowly adding an ethanol solution of ammonia water into an ethanol solution of TEOS, at the same time, carrying out magnetic stirring for 12 hours to obtain unsettled nano SiO2 concentrate; slowly adding the nano SiO2 concentrate into acrylate emulsion under stirring to obtain nano SiO2 modified composite emulsion, painting the composite emulsion by a QTG-A coating machine so as to form a film with a certain thickness, wherein after emulsion polymerization, a nano SiO2 modified PEA film is formed; dispersing pigments and filling materials in deionized water in a high speed, then adding nano SiO2 concentrate under a proper stirring speed, then adding acrylate emulsion and other auxiliary agents, and finally producing an in-situ dispersion method SiO2 modified PEA outer wall paint. The method is simple, the cost is low, the yield is high, and the prepared nano SiO2 modified paint has a stable property and a strong waterproof and corrosion resistant performance.
Description
Technical field
The present invention relates to a kind of modified paint preparation method, particularly relate to a kind of nano Si 0
2modified paint preparation method.
Background technology
The up-to-date direction of exterior coating is the environment-friendly high-performance exterior wall coating of development high-weatherability, contamination resistance, high tint retention in the world at present.But the kind of the high-weatherability exterior coating of available use is also few, and the exterior coating that the usage period reaches more than lO is still rare.Wherein ageing-resistant performance is the most important performance index of exterior coating, and when it refers to expose out of doors, exterior coating is to the resistibility changing its performance factor.These factors comprise the change of molecule modulus, the weakening of internal intensity, become fragile, ftracture, fade, the reduction of chalkification, gloss and the corrosion etc. of environment, and they both have impact on attractive in appearance, have impact on performance again.Ageing-resistant performance is the comprehensive embodiment of the multiple performance of exterior coating, is directly measuring of exterior coating work-ing life.
Research about the dispersed problem of inorganic nano-particle in the polymer materials such as plastics, rubber field is reported, also achieves certain effect.In the upsurge of nano paint research and development, people generally have employed and directly use nano-powder as the admixture raw material of coating, then utilize mechanical means to carry out the technology of preparing of the routine of disperseing.And this method exists some problems: first, it is dispersed for a long time that nano-powder is difficult to guarantee; The more important thing is, this technology of preparing cannot suppress the self aggregation phenomenon of the nanoparticle of having disperseed at all, generally effectively cannot control the mode of these particulate agglomeration and state.
Summary of the invention
Technical problem to be solved by this invention is to provide that a kind of method is simple, with low cost, yield rate is high, the nano Si 0 of preparation
2modified paint stable performance, the nano Si 0 that water-fast and erosion resistance is strong
2modified paint preparation method.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of nano Si 0
2modified paint preparation method, comprises the steps:
At room temperature, the ethanolic soln of ammoniacal liquor is joined in the ethanolic soln of TEOS lentamente, after magnetic agitation 12h, prepare the nano Si 0 of non-sedimentation simultaneously
2concentrated solution;
When stirring by nano Si 0
2concentrated solution join lentamente in acrylic ester emulsion, obtain nano Si 0
2the composite emulsion of modification, adopts QTG-A type film spreader composite emulsion to be painted the film of certain thickness, after letex polymerization, forms nano Si 0
2modified PE A film;
After completing the high speed dispersion to color filters in deionized water, under suitable stirring velocity, add nano Si 0
2concentrated solution, then adds acrylic ester emulsion and other auxiliary agents, finally obtained original position dispersion method nano Si 0
2modified PE A exterior coating.
On the basis of technique scheme, the present invention can also do following improvement
Further, at room temperature described, the ethanolic soln of ammoniacal liquor is joined in the ethanolic soln of TEOS lentamente, has prepared the nano Si 0 obtaining non-sedimentation after magnetic agitation 12h simultaneously
2being implemented as follows of concentrated solution step:
At room temperature, the ethanolic soln (NH3H20:CH3CH20H=5ml:80m1) of ammoniacal liquor is joined in the ethanolic soln (TEOS:CH3CH20H=5ml:80m1) of TEOS lentamente, simultaneously after magnetic agitation 12-20h, prepare the nano Si 0 of non-sedimentation
2concentrated solution.
Further, described when stir by nano Si 0
2concentrated solution join lentamente in acrylic ester emulsion, obtain nano Si 0
2the composite emulsion of modification, adopts QTG-A type film spreader composite emulsion to be painted the film of certain thickness, after letex polymerization, forms nano Si 0
2being implemented as follows of modified PE A film-coating procedures:
Be the nano Si 0 of 60-65% by massfraction when stirring
2concentrated solution join lentamente in the acrylic ester emulsion of 25-35%, obtain nano Si 0
2the composite emulsion of modification, adopts QTG-A type film spreader composite emulsion to be painted the film that thickness is 5-8cm, after letex polymerization, forms nano Si 0
2modified PE A film.
Further, after the described high speed dispersion completed in deionized water color filters, under suitable stirring velocity, nano Si 0 is added
2concentrated solution, then adds acrylic ester emulsion and other auxiliary agents, finally obtained original position dispersion method nano Si 0
2being implemented as follows of modified PE A exterior coating step:
Complete the high speed dispersion to color filters in 100-150ml deionized water after, under 300-350r/rain stirs, add the nano Si 0 of 10-20%
2concentrated solution, then adds the acrylic ester emulsion of 1-5% and other auxiliary agents of 0.5-1%, finally obtained original position dispersion method nano Si 0
2modified PE A exterior coating.
The invention has the beneficial effects as follows: method is simple, with low cost, yield rate is high, the nano Si 0 of preparation
2modified paint stable performance, water-fast and erosion resistance is strong.
Embodiment
Be described principle of the present invention and feature below in conjunction with example, example, only for explaining the present invention, is not intended to limit scope of the present invention.
A kind of nano Si 0
2modified paint preparation method, comprises the steps:
At room temperature, the ethanolic soln of ammoniacal liquor is joined in the ethanolic soln of TEOS lentamente, after magnetic agitation 12h, prepare the nano Si 0 of non-sedimentation simultaneously
2concentrated solution;
When stirring by nano Si 0
2concentrated solution join lentamente in acrylic ester emulsion, obtain nano Si 0
2the composite emulsion of modification, adopts QTG-A type film spreader composite emulsion to be painted the film of certain thickness, after letex polymerization, forms nano Si 0
2modified PE A film;
After completing the high speed dispersion to color filters in deionized water, under suitable stirring velocity, add nano Si 0
2concentrated solution, then adds acrylic ester emulsion and other auxiliary agents, finally obtained original position dispersion method nano Si 0
2modified PE A exterior coating.
Embodiment 1:
At room temperature, the ethanolic soln (NH3H20:CH3CH20H=5ml:80m1) of ammoniacal liquor is joined in the ethanolic soln (TEOS:CH3CH20H=5ml:80m1) of TEOS lentamente, simultaneously after magnetic agitation 12h, prepare the nano Si 0 of non-sedimentation
2concentrated solution.Be the nano Si 0 of 60% by massfraction when stirring
2concentrated solution join lentamente in the acrylic ester emulsion of 25%, obtain nano Si 0
2the composite emulsion of modification, adopts QTG-A type film spreader composite emulsion to be painted the film that thickness is 5cm, after letex polymerization, forms nano Si 0
2modified PE A film.After completing the high speed dispersion to color filters in 100ml deionized water, under 300r/rain stirs, add the nano Si 0 of 10%
2concentrated solution, then adds the acrylic ester emulsion of 1-5% and other auxiliary agents of 0.5%, finally obtained original position dispersion method nano Si 0
2modified PE A exterior coating.
Embodiment 2:
At room temperature, the ethanolic soln (NH3H20:CH3CH20H=5ml:80m1) of ammoniacal liquor is joined in the ethanolic soln (TEOS:CH3CH20H=5ml:80m1) of TEOS lentamente, simultaneously after magnetic agitation 15h, prepare the nano Si 0 of non-sedimentation
2concentrated solution.Be the nano Si 0 of 62% by massfraction when stirring
2concentrated solution join lentamente in the acrylic ester emulsion of 30%, obtain nano Si 0
2the composite emulsion of modification, adopts QTG-A type film spreader composite emulsion to be painted the film that thickness is 6cm, after letex polymerization, forms nano Si 0
2modified PE A film.Complete the high speed dispersion to color filters in 120ml deionized water after, under 320r/rain stirs, add the nano Si 0 of 15%
2concentrated solution, then adds the acrylic ester emulsion of 3% and other auxiliary agents of 0.8%, finally obtained original position dispersion method nano Si 0
2modified PE A exterior coating.
Embodiment 3:
At room temperature, the ethanolic soln (NH3H20:CH3CH20H=5ml:80m1) of ammoniacal liquor is joined in the ethanolic soln (TEOS:CH3CH20H=5ml:80m1) of TEOS lentamente, simultaneously after magnetic agitation 20h, prepare the nano Si 0 of non-sedimentation
2concentrated solution.Be the nano Si 0 of 65% by massfraction when stirring
2concentrated solution join lentamente in the acrylic ester emulsion of 35%, obtain nano Si 0
2the composite emulsion of modification, adopts QTG-A type film spreader composite emulsion to be painted the film that thickness is 8cm, after letex polymerization, forms nano Si 0
2modified PE A film.Complete the high speed dispersion to color filters in 150ml deionized water after, under 350r/rain stirs, add the nano Si 0 of 20%
2concentrated solution, then adds the acrylic ester emulsion of 5% and other auxiliary agents of 1%, finally obtained original position dispersion method nano Si 0
2modified PE A exterior coating.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a nano Si 0
2modified paint preparation method, is characterized in that, comprises the steps:
At room temperature, the ethanolic soln of ammoniacal liquor is joined in the ethanolic soln of TEOS lentamente, after magnetic agitation 12h, prepare the nano Si 0 of non-sedimentation simultaneously
2concentrated solution;
When stirring by nano Si 0
2concentrated solution join lentamente in acrylic ester emulsion, obtain nano Si 0
2the composite emulsion of modification, adopts QTG-A type film spreader composite emulsion to be painted the film of certain thickness, after letex polymerization, forms nano Si 0
2modified PE A film;
After completing the high speed dispersion to color filters in deionized water, under suitable stirring velocity, add nano Si 0
2concentrated solution, then adds acrylic ester emulsion and other auxiliary agents, finally obtained original position dispersion method nano Si 0
2modified PE A exterior coating.
2. a kind of nano Si 0 according to claim 1
2modified paint preparation method, is characterized in that, at room temperature described, is joined lentamente in the ethanolic soln of TEOS by the ethanolic soln of ammoniacal liquor, has prepared the nano Si 0 obtaining non-sedimentation after magnetic agitation 12h simultaneously
2being implemented as follows of concentrated solution step:
At room temperature, the ethanolic soln (NH3H20:CH3CH20H=5ml:80m1) of ammoniacal liquor is joined in the ethanolic soln (TEOS:CH3CH20H=5ml:80m1) of TEOS lentamente, simultaneously after magnetic agitation 12-20h, prepare the nano Si 0 of non-sedimentation
2concentrated solution.
3. a kind of nano Si 02 modified paint preparation method according to claim 1, is characterized in that, described when stirring by nano Si 0
2concentrated solution join lentamente in acrylic ester emulsion, obtain nano Si 0
2the composite emulsion of modification, adopts QTG-A type film spreader composite emulsion to be painted the film of certain thickness, after letex polymerization, forms nano Si 0
2being implemented as follows of modified PE A film-coating procedures:
Be the nano Si 0 of 60-65% by massfraction when stirring
2concentrated solution join lentamente in the acrylic ester emulsion of 25-35%, obtain nano Si 0
2the composite emulsion of modification, adopts QTG-A type film spreader composite emulsion to be painted the film that thickness is 5-8cm, after letex polymerization, forms nano Si 0
2modified PE A film.
4. a kind of nano Si 0 according to claim 1
2modified paint preparation method, is characterized in that, after the described high speed dispersion completed in deionized water color filters, adds nano Si 0 under suitable stirring velocity
2concentrated solution, then adds acrylic ester emulsion and other auxiliary agents, finally obtained original position dispersion method nano Si 0
2being implemented as follows of modified PE A exterior coating step:
Complete the high speed dispersion to color filters in 100-150ml deionized water after, under 300-350r/rain stirs, add the nano Si 0 of 10-20%
2concentrated solution, then adds the acrylic ester emulsion of 1-5% and other auxiliary agents of 0.5-1%, finally obtained original position dispersion method nano Si 0
2modified PE A exterior coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510905428.5A CN105385273A (en) | 2015-12-10 | 2015-12-10 | Preparation method of nano SiO2 modified paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510905428.5A CN105385273A (en) | 2015-12-10 | 2015-12-10 | Preparation method of nano SiO2 modified paint |
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| Publication Number | Publication Date |
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| CN105385273A true CN105385273A (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510905428.5A Pending CN105385273A (en) | 2015-12-10 | 2015-12-10 | Preparation method of nano SiO2 modified paint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961815A (en) * | 2017-12-12 | 2018-04-27 | 新沂市中诺新材料科技有限公司 | A kind of modified porous catalyst of preparing methane by synthetic gas |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337068A (en) * | 2011-06-29 | 2012-02-01 | 江苏大学 | Preparation method of water-based polyurethane acrylate (WPUA) silicon dioxide photocureable coating |
| CN104530845A (en) * | 2014-12-25 | 2015-04-22 | 常州大学 | Waterborne single-component transparent anti-corrosion coating based on dual-functionalized nano-SiO2 and preparation method of coating |
-
2015
- 2015-12-10 CN CN201510905428.5A patent/CN105385273A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337068A (en) * | 2011-06-29 | 2012-02-01 | 江苏大学 | Preparation method of water-based polyurethane acrylate (WPUA) silicon dioxide photocureable coating |
| CN104530845A (en) * | 2014-12-25 | 2015-04-22 | 常州大学 | Waterborne single-component transparent anti-corrosion coating based on dual-functionalized nano-SiO2 and preparation method of coating |
Non-Patent Citations (1)
| Title |
|---|
| 陈海锋: "原位分散法制备纳米SiO2改性涂料及其光老化性能", 《稀有金属材料与工程》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107961815A (en) * | 2017-12-12 | 2018-04-27 | 新沂市中诺新材料科技有限公司 | A kind of modified porous catalyst of preparing methane by synthetic gas |
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Application publication date: 20160309 |