CN105385301A - Solvent-free nano anti-corrosion coating and preparation method thereof - Google Patents
Solvent-free nano anti-corrosion coating and preparation method thereof Download PDFInfo
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- CN105385301A CN105385301A CN201510948146.3A CN201510948146A CN105385301A CN 105385301 A CN105385301 A CN 105385301A CN 201510948146 A CN201510948146 A CN 201510948146A CN 105385301 A CN105385301 A CN 105385301A
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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
- 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
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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
- C09D7/20—Diluents or solvents
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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
- C09D7/47—Levelling agents
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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
- C09D7/66—Additives characterised by particle size
- C09D7/67—Particle size smaller than 100 nm
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention discloses a solvent-free nano anti-corrosion coating and a preparation method thereof, and the solvent-free nano anti-corrosion coating comprises the following components by weight: 15-20% of matrix resin, 1-3% of a nano filler, 30-50% of a diluent, 8-10% of a coupling agent, 0.1-0.2% of an additive, 3-5% of a defoaming agent and 2-3% of a leveling agent. By proper selection of formula materials, mixing ratio design and reasonable process control, the prepared solvent-free nano anti-corrosion coating can maintain good adhesion and environmentally friendly performance, has excellent anti-corrosion performance, and has wide application prospects.
Description
Technical field
The present invention relates to technical field of paint preparation, particularly relate to a kind of solvent-free nano anticorrosive coating and preparation method thereof.
Background technology
In use can there is spontaneous corrosion process in metallic substance, metallic substance and goods thereof have the loss of nearly 1/3 every year in the world, so protective system has important application.And at present conventional protective system is main mainly with solvent-borne type protective system, there is coating and have the problems such as inflammable, explosive, toxic organic solvents effusion in such protective system, has larger harm to human body and environment.And inflammable because using, explosive, toxic organic solvents in such organic solvent dope preparing process, complex manufacturing, easily works the mischief to environment, and there is very large production safety risk.Along with the enhancing of people's environmental consciousness, such anti-corrosive organic coatings is eliminated gradually, the substitute is the Novel solvent-free protective system of environmental protection.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of solvent-free nano anticorrosive coating and preparation method thereof, can solve existing anti-corrosive organic coatings complicated process of preparation, to the shortcoming that human body and environment work the mischief.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of solvent-free nano anticorrosive coating, comprise the composition of following weight percentage: matrix resin 15 ~ 20%, Nano filling 1 ~ 3%, thinner 30 ~ 50%, coupling agent 8 ~ 10%, auxiliary agent 0.1 ~ 0.2%, defoamer 3 ~ 5%, flow agent 2 ~ 3%; Wherein, described matrix resin is the mixture of epoxy resin KD-175 and acrylic resin, described thinner is cashew nut oil modified epoxy resin, described coupling agent is silane, described auxiliary agent is Virahol, described Nano filling is carbon nanotube and nano titanium dioxide mixture, and described defoamer is silicone emulsion, and described flow agent is the mixture of sodium laurylsulfonate and carboxymethyl cellulose.
In a preferred embodiment of the present invention, the mixing quality ratio of described epoxy resin KD-175 and acrylic resin is 2 ~ 5:1 ~ 3.
In a preferred embodiment of the present invention, the mixing quality ratio of described carbon nanotube and nano titanium oxide is 3 ~ 5:1 ~ 2, carbon nanotube and nano titanium oxide particle diameter 40 ~ 100nm.
In a preferred embodiment of the present invention, the mixing quality ratio of described sodium laurylsulfonate and carboxymethyl cellulose is 5 ~ 8:1 ~ 2.
For solving the problems of the technologies described above, another technical solution used in the present invention is: the preparation method providing a kind of solvent-free nano anticorrosive coating, comprises the steps:
(1) carbon nanotube and nano titanium oxide are added in Virahol, obtained nano dispersion fluid under adding coupling agent silane certain condition;
(2) matrix resin is added respectively, thinner and defoamer, ultrasonic disperse 30min in the nano dispersion fluid prepared to step (1);
(3) add flow agent, temperature 40 ~ 60 DEG C in the solution prepared to step (2), stir 3 ~ 6h under rotating speed 1000r/min condition, obtain described protective system.
In a preferred embodiment of the present invention, described stir speed (S.S.) is 1000r/min.
In a preferred embodiment of the present invention, in described step (2), the described ultrasonic disperse time is 30min.
The sticking power of solvent-free nano anticorrosive coating of the present invention is 0 grade, and snappiness is 1 ~ 3mm, and shock strength 50 ~ 80kgcm all has good Corrosion Protection under profit and acidic conditions.
The invention has the beneficial effects as follows: the preparation method of a kind of solvent-free nano anticorrosive coating of the present invention, easy and simple to handle, easily realize; Its choose reasonable by material, proportion design and rational technology controlling and process, make prepared solvent free corrosion prevention coating under the prerequisite keeping good adhesion and environmental-protecting performance, have excellent antiseptic property, have a extensive future.
Embodiment
Below preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
The embodiment of the present invention comprises:
Embodiment 1
A kind of solvent-free nano anticorrosive coating, comprise the composition of following weight percentage: matrix resin 15%, Nano filling 1%, thinner (cashew nut oil modified epoxy resin) 30%, silane coupling agent 8%, Virahol 0.1%, defoamer (silicone emulsion) 3%, flow agent 2%; Wherein, described matrix resin is the mixture that epoxy resin KD-175 and acrylic resin mix with the ratio of mass ratio 2:1; Described Nano filling is the mixture that carbon nanotube and nano titanium oxide mix with the ratio of mass ratio 3:1, and carbon nanotube and nano titanium oxide particle diameter 40 ~ 100nm; Described flow agent is the mixture that sodium laurylsulfonate and carboxymethyl cellulose mix with the mass ratio of 5:1.
The preparation method of above-mentioned solvent-free nano anticorrosive coating, comprises the steps:
(1) by formula ratio, carbon nanotube and nano titanium oxide are added in Virahol, then add silane coupling agent, stir obtained nano dispersion fluid;
(2) add the matrix resin of formula ratio in the nano dispersion fluid prepared to step (1) respectively, thinner and defoamer, at 25 ~ 40 DEG C, first stir 15min with the speed of 1000r/min, and then ultrasonic disperse 30min;
(3) add flow agent in the solution prepared to step (2), at 40 ~ 60 DEG C, stir stirring 3 ~ 6h with 1000r/min rotating speed, obtain described solvent-free nano anticorrosive coating.
Embodiment 2
A kind of solvent-free nano anticorrosive coating, comprise the composition of following weight percentage: matrix resin 20%, Nano filling 3%, thinner (cashew nut oil modified epoxy resin) 50%, silane coupling agent 10%, Virahol 0.2%, defoamer (silicone emulsion) 5%, flow agent 3%; Wherein, described matrix resin is the mixture that epoxy resin KD-175 and acrylic resin mix with the ratio of mass ratio 5:3; Described Nano filling is the mixture that carbon nanotube and nano titanium oxide mix with the ratio of mass ratio 5:2, and carbon nanotube and nano titanium oxide particle diameter 40 ~ 100nm; Described flow agent is the mixture that sodium laurylsulfonate and carboxymethyl cellulose mix with the mass ratio of 8:2.
Preparation method is with embodiment 1.
The sticking power of solvent-free nano anticorrosive coating prepared by aforesaid method is 0 grade, and snappiness 1 ~ 3mm, shock strength 50 ~ 80kgcm, all have good Corrosion Protection under profit and acidic conditions.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (7)
1. a solvent-free nano anticorrosive coating, it is characterized in that, comprise the composition of following weight percentage: matrix resin 15 ~ 20%, Nano filling 1 ~ 3%, thinner 30 ~ 50%, coupling agent 8 ~ 10%, auxiliary agent 0.1 ~ 0.2%, defoamer 3 ~ 5%, flow agent 2 ~ 3%; Wherein, described matrix resin is the mixture of epoxy resin KD-175 and acrylic resin, described thinner is cashew nut oil modified epoxy resin, described coupling agent is silane, described auxiliary agent is Virahol, described Nano filling is carbon nanotube and nano titanium dioxide mixture, and described defoamer is silicone emulsion, and described flow agent is the mixture of sodium laurylsulfonate and carboxymethyl cellulose.
2. solvent-free nano anticorrosive coating according to claim 1, is characterized in that, the mixing quality ratio of described epoxy resin KD-175 and acrylic resin is 2 ~ 5:1 ~ 3.
3. solvent-free nano anticorrosive coating according to claim 1, is characterized in that, the mixing quality ratio of described carbon nanotube and nano titanium oxide is 3 ~ 5:1 ~ 2, carbon nanotube and nano titanium oxide particle diameter 40 ~ 100nm.
4. solvent-free nano anticorrosive coating according to claim 1, is characterized in that, the mixing quality ratio of described sodium laurylsulfonate and carboxymethyl cellulose is 5 ~ 8:1 ~ 2.
5. a preparation method for the solvent-free nano anticorrosive coating as described in one of Claims 1-4, is characterized in that, comprise the steps:
(1) carbon nanotube and nano titanium oxide are added in Virahol, add coupling agent silane, stir obtained nano dispersion fluid;
(2) matrix resin is added respectively, thinner and defoamer in the nano dispersion fluid prepared to step (1), ultrasonic disperse after stirring;
(3) add flow agent, temperature 40 ~ 60 DEG C in the solution prepared to step (2), stir 3 ~ 6h under rotating speed 1000r/min condition, obtain described protective system.
6. the preparation method of solvent-free nano anticorrosive coating according to claim 5, is characterized in that, described stir speed (S.S.) is 1000r/min.
7. the preparation method of solvent-free nano anticorrosive coating according to claim 5, is characterized in that, in described step (2), the described ultrasonic disperse time is 30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510948146.3A CN105385301A (en) | 2015-12-17 | 2015-12-17 | Solvent-free nano anti-corrosion coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510948146.3A CN105385301A (en) | 2015-12-17 | 2015-12-17 | Solvent-free nano anti-corrosion coating and preparation method thereof |
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| CN201510948146.3A Pending CN105385301A (en) | 2015-12-17 | 2015-12-17 | Solvent-free nano anti-corrosion coating and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860763A (en) * | 2016-06-12 | 2016-08-17 | 宜兴市巨人涂料有限公司 | Epoxy solvent-free iron core coating varnish and preparation method thereof |
| CN109880459A (en) * | 2019-02-19 | 2019-06-14 | 国网陕西省电力公司电力科学研究院 | A kind of anticorona acrylic acid conductive coating and its preparation method and application |
| CN114410143A (en) * | 2022-03-30 | 2022-04-29 | 山东多驰材料科技有限公司 | Static-conducting continuous composite internal anti-corrosion steel pipe and manufacturing method thereof |
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| CN102796439A (en) * | 2012-07-11 | 2012-11-28 | 常州大学 | Solvent-free nanometer modified epoxy weather-resistant type anticorrosive paint and preparation method thereof |
| CN102993909A (en) * | 2012-11-30 | 2013-03-27 | 无锡市虎皇漆业有限公司 | Solvent-free epoxy anticorrosive paint for ballast tank of ship and preparation method thereof |
| CN103232786A (en) * | 2013-04-02 | 2013-08-07 | 华南理工大学 | Solvent-free nanometer epoxy anticorrosive paint and preparation method thereof |
| CN103756510A (en) * | 2014-01-26 | 2014-04-30 | 扬州大学 | Preparation method of static conductive solvent-free epoxy anticorrosive coating material |
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2015
- 2015-12-17 CN CN201510948146.3A patent/CN105385301A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101343497A (en) * | 2008-08-21 | 2009-01-14 | 上海正臣防腐科技有限公司 | Environment friendly corrosion protection antistatic coating |
| CN102796439A (en) * | 2012-07-11 | 2012-11-28 | 常州大学 | Solvent-free nanometer modified epoxy weather-resistant type anticorrosive paint and preparation method thereof |
| CN102993909A (en) * | 2012-11-30 | 2013-03-27 | 无锡市虎皇漆业有限公司 | Solvent-free epoxy anticorrosive paint for ballast tank of ship and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105860763A (en) * | 2016-06-12 | 2016-08-17 | 宜兴市巨人涂料有限公司 | Epoxy solvent-free iron core coating varnish and preparation method thereof |
| CN109880459A (en) * | 2019-02-19 | 2019-06-14 | 国网陕西省电力公司电力科学研究院 | A kind of anticorona acrylic acid conductive coating and its preparation method and application |
| CN114410143A (en) * | 2022-03-30 | 2022-04-29 | 山东多驰材料科技有限公司 | Static-conducting continuous composite internal anti-corrosion steel pipe and manufacturing method thereof |
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Application publication date: 20160309 |