CN109233555A - Nano anti-corrosive insulating moulding coating and preparation method thereof - Google Patents
Nano anti-corrosive insulating moulding coating and preparation method thereof Download PDFInfo
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- CN109233555A CN109233555A CN201810792924.8A CN201810792924A CN109233555A CN 109233555 A CN109233555 A CN 109233555A CN 201810792924 A CN201810792924 A CN 201810792924A CN 109233555 A CN109233555 A CN 109233555A
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- 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
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- 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
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- 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
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- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- 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
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Abstract
The invention proposes a kind of nano anti-corrosive insulating moulding coatings and preparation method thereof, according to the number of parts by weight, including following components: 30~50 parts of epoxy resin, 6~12 parts of increasing tougheness resin, 5~10 parts of nano zircite, 8~16 parts of aerosil, modified 5~10 parts of alumina silicate fibre, 0.5~1.5 part of benzimidazole esters, 12~18 parts of nano-pearl rock, 1~3 part of wetting dispersing agent, 1~3 part of thickener, 0.2~1 part of defoaming agent, 2~5 parts of curing agent and 20~30 parts of water；The modified alumina silicate fibre is mainly prepared by alumina silicate fibre with chitin modified.The coating not only good heat-insulation effect, and thermal coefficient is low, favorable anti-corrosion effect.
Description
Technical field
The invention belongs to technical field of coatings, and in particular to a kind of nano anti-corrosive insulating moulding coating and preparation method thereof.
Background technique
Nanotechnology and nano raw material are applied in coating, lotus leaf double vegetable principles and " zero convection current " etc. is can use and receives
Meter Xiao Ying improves the heat insulation property, water resistance and anti-fungi performance of coating.Alumina silicate is a kind of good high temperature resistant, thermal insulation
Can good material, and nanometer aluminium silicate is since partial size is small, particle diameter distribution is narrow, does not have precipitated and separated phenomenon, so suspension stability
It is good, while the dispersibility and fineness index of coating can be improved, so that coating appearance, glossiness, hardness and dispersibility have well
Effect.
Common coating is easy to happen thermal degradation and carbonization under the high temperature conditions, so that soil layer is destroyed, it cannot be to base
Material plays a protective role, and high-temperature resistant coating be able to maintain not embrittlement under the high temperature conditions, not with substrate removing, be not bubbled it is same
When keep certain physics and chemistry and mechanical performance, enable object bad from chemical attack, oxidation corrosion etc. at high temperature
The influence of situation.It functions only as heat-blocking action to existing building insulating moulding coating, but for such as 400 DEG C of higher temperature its own
High temperature resistance it is poor, phenomena such as being easy to appear Paint Falling.In addition, recently as the development of the industries such as chemical industry, mining, it is rotten
Erosion operating condition is also increasingly severe, and the traditional coating antiseptic property service life is unable to satisfy the requirement of heavy antisepsis, so that replacement and recoating are made
Industry is frequent, causes the waste of manpower financial capacity.Therefore, existing nano anti-corrosive insulating moulding coating restricts it in building energy saving field
Using.
Summary of the invention
The present invention proposes a kind of nano anti-corrosive insulating moulding coating, the coating not only good heat-insulation effect, but also thermal coefficient is low, prevents
Rotten effect is good.
The technical scheme of the present invention is realized as follows:
A kind of nano anti-corrosive insulating moulding coating, according to the number of parts by weight, including following components:
30~50 parts of epoxy resin, 6~12 parts of increasing tougheness resin, 5~10 parts of nano zircite, aerosil 8
~16 parts, modified 5~10 parts of alumina silicate fibre, 0.5~1.5 part of benzimidazole esters, 12~18 parts of nano-pearl rock, wetting point
1~3 part of powder, 1~3 part of thickener, 0.2~1 part of defoaming agent, 2~5 parts of curing agent and 20~30 parts of water；The modified silicon
Sour aluminum fiber is mainly prepared by alumina silicate fibre with chitin modified.
Preferably, the preparation method of the modified alumina silicate fibre, comprising the following steps:
Alumina silicate fibre is added to the water carry out ultrasonic disperse, dispersion liquid is obtained, then heats to 75~85 DEG C, then plus
Enter silane coupling agent and chitosan, reacts 6~12h, be dried after reaction.
Preferably, the mass ratio of the alumina silicate fibre and the chitosan is 3~6:1, the alumina silicate fibre with
The mass ratio of the silane coupling agent is 18~24:1.
Preferably, the silane coupling agent is silane coupling A -171, Silane coupling agent KH550 or silane coupling agent
KH560。
Preferably, the wetting dispersing agent is ammonium acrylate dipersant.
Preferably, the thickener is non-ionic polyurethane compound, modified polyacrylic acid ammonium or modified polyacrylic acid
Sodium；The defoaming agent is dimethyl silicone polymer solution or mineral oil
It is a further object to provide a kind of preparation methods of nano anti-corrosive insulating moulding coating, comprising the following steps:
1) defoaming agent of wetting dispersing agent, 1/2~3/5 mass is added to the water according to formula ratio, in 300~500r/min
Revolving speed under stir and be sufficiently mixed；
2) aerosil, modified alumina silicate fibre and nano-pearl rock are added into the mixture of step 1) to exist
Disperse under the revolving speed of 1000~2000r/min；
3) epoxy resin, increasing tougheness resin, thickener, benzimidazole esters, solidification are added into the dispersion liquid of step 2)
Agent, nano zircite and remaining defoaming agent stir evenly.
Beneficial effects of the present invention:
1) unique nano-pore and tridimensional network make it have extremely low lead in aerosil in the present invention
Hot coefficient, on the one hand, nano-pore aperture is close with the mean free path of phonon, and nano-pore can generate stronger scattering to phonon and make
With reducing the mean free path of phonon, reduce the efficiency of Gas-solid Coupling, on the one hand, the nano-pore hole in aerosil
Wall can constantly reflect heat radiation, be reflected, and the heat for transmitting radiation constantly declines, on the other hand, silica gas
The pore-size of gel and the mean free path of air molecule are close, and the gas molecule in nano-pore often loses free-flowing
Ability, so that being in vacuum state in stomata, the efficiency of convective heat transfer is close to zero, to play heat-insulated effect.
2) the problem of however being used alone aerosil that there are dispersion effects be poor, and mechanical strength is lower than poor toughness.
The present invention, mainly by alumina silicate fibre and the chitin modified modification alumina silicate fibre being prepared, can be improved by selection
While alumina silicate fibre itself toughness, aerosil can assist in by nanometer powder and the soft-agglomerated airsetting in part
Glue scatter, and improves nanometer powder and aerosil dispersibility, and then improves the intensity and porosity drop of coating
Low thermal coefficient.In addition, containing benzimidazole esters in coating, heavy antisepsis can be reached, it is non-volatile, Gu containing height, at
Film thickness, anti-corrosion life are long.
Specific embodiment
Embodiment 1
The preparation method of modified alumina silicate fibre, comprising the following steps:
Alumina silicate fibre is added to the water carry out ultrasonic disperse, dispersion liquid is obtained, then heats to 75 DEG C, silicon is then added
Alkane coupling agent A-171 and chitosan react 12h, are dried after reaction.The quality of alumina silicate fibre and chitosan
The ratio between be 3:1, the mass ratio of alumina silicate fibre and silane coupling A -171 is 24:1.
Embodiment 2
The preparation method of modified alumina silicate fibre, comprising the following steps:
Alumina silicate fibre is added to the water carry out ultrasonic disperse, dispersion liquid is obtained, then heats to 85 DEG C, silicon is then added
Alkane coupling agent KH560 and chitosan react 6h, are dried after reaction.The quality of alumina silicate fibre and chitosan
The ratio between be 6:1, the mass ratio of alumina silicate fibre and silane coupling agent KH560 are 18:1.
Embodiment 3
A kind of nano anti-corrosive insulating moulding coating, according to the number of parts by weight, including following components:
40 parts of epoxy resin, 8 parts of increasing tougheness resin, 7 parts of nano zircite, 12 parts of aerosil, embodiment 1
Modified 8 parts of alumina silicate fibre, 1 part of benzimidazole esters, 15 parts of nano-pearl rock, 2 parts of ammonium acrylate dipersant, modified poly- third
2 parts of olefin(e) acid ammonium, 0.6 part of dimethyl silicone polymer solution, 4 parts of curing agent and 25 parts of water.
The preparation method of nano anti-corrosive insulating moulding coating:
1) the dimethyl silicone polymer solution of ammonium acrylate dipersant, 1/2 mass is added to the water according to formula ratio,
Stirring is sufficiently mixed under the revolving speed of 500r/min；
2) the modification alumina silicate fibre and nanometer of aerosil, embodiment 1 are added into the mixture of step 1)
Perlite disperses under the revolving speed of 1600r/min；
3) epoxy resin, increasing tougheness resin, modified polyacrylic acid ammonium, benzimidazole ester are added into the dispersion liquid of step 2)
Class, curing agent, nano zircite and remaining dimethyl silicone polymer solution stir evenly.
Embodiment 4
A kind of nano anti-corrosive insulating moulding coating, according to the number of parts by weight, including following components:
30 parts of epoxy resin, 12 parts of increasing tougheness resin, 5 parts of nano zircite, 8 parts of aerosil, embodiment 2
Modified 5 parts of alumina silicate fibre, 12 parts of nano-pearl rock, 1 part of ammonium acrylate dipersant, is modified and gathers 0.5 part of benzimidazole esters
1 part of sodium acrylate, 0.2 part of dimethyl silicone polymer solution, 2 parts of curing agent and 20 parts of water.
The preparation method of nano anti-corrosive insulating moulding coating:
1) the dimethyl silicone polymer solution of ammonium acrylate dipersant, 3/5 mass is added to the water according to formula ratio,
Stirring is sufficiently mixed under the revolving speed of 400r/min；
2) the modification alumina silicate fibre and nanometer of aerosil, embodiment 2 are added into the mixture of step 1)
Perlite disperses under the revolving speed of 1000r/min；
3) epoxy resin, increasing tougheness resin, modified polyacrylate sodium, benzimidazole ester are added into the dispersion liquid of step 2)
Class, curing agent, nano zircite and remaining dimethyl silicone polymer solution stir evenly.
Embodiment 5
A kind of nano anti-corrosive insulating moulding coating, according to the number of parts by weight, including following components:
50 parts of epoxy resin, 6 parts of increasing tougheness resin, 10 parts of nano zircite, 16 parts of aerosil, embodiment 1
10 parts of modification alumina silicate fibre, 1.5 parts of benzimidazole esters, 18 parts of nano-pearl rock, 3 parts of ammonium acrylate dipersant, change
3 parts of Sodium Polyacrylate of property, 1 part of mineral oil, 5 parts of curing agent and 30 parts of water.
The preparation method of nano anti-corrosive insulating moulding coating:
1) mineral oil of ammonium acrylate dipersant, 1/2 mass is added to the water according to formula ratio, in turning for 300r/min
The lower stirring of speed is sufficiently mixed；
2) the modification alumina silicate fibre and nanometer of aerosil, embodiment 1 are added into the mixture of step 1)
Perlite disperses under the revolving speed of 2000r/min；
3) epoxy resin, increasing tougheness resin, modified polyacrylate sodium, benzimidazole ester are added into the dispersion liquid of step 2)
Class, curing agent, nano zircite and remaining mineral oil stir evenly.
Test example
The coating of embodiment 3~5 is subjected to performance detection, the results are shown in Table 1:
The performance of the nano anti-corrosive insulating moulding coating of 1 embodiment 3~5 of table
In addition, the coating that embodiment 3~5 is provided, which is coated in above glass, carries out heat resistance test, coating layer thickness is
4.0mm, hot-face temperature are 500 DEG C, and the coating back temperature of embodiment 3~5 is 160~170 DEG C.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of nano anti-corrosive insulating moulding coating, which is characterized in that according to the number of parts by weight, including following components:
30~50 parts of epoxy resin, 6~12 parts of increasing tougheness resin, 5~10 parts of nano zircite, aerosil 8~16
Part, modified 5~10 parts of alumina silicate fibre, 0.5~1.5 part of benzimidazole esters, 12~18 parts of nano-pearl rock, wetting dispersing agent
1~3 part, 1~3 part of thickener, 0.2~1 part of defoaming agent, 2~5 parts of curing agent and 20~30 parts of water；The modified alumina silicate
Fiber is mainly prepared by alumina silicate fibre with chitin modified.
2. nano anti-corrosive insulating moulding coating according to claim 1, which is characterized in that the preparation of the modified alumina silicate fibre
Method, comprising the following steps:
Alumina silicate fibre is added to the water carry out ultrasonic disperse, dispersion liquid is obtained, then heats to 75~85 DEG C, silicon is then added
Alkane coupling agent and chitosan react 6~12h, are dried after reaction.
3. nano anti-corrosive insulating moulding coating according to claim 2, which is characterized in that the alumina silicate fibre and the shell are poly-
The mass ratio of sugar is 3~6:1, and the mass ratio of the alumina silicate fibre and the silane coupling agent is 18~24:1.
4. nano anti-corrosive insulating moulding coating according to claim 2, which is characterized in that the silane coupling agent is silane coupled
Agent A-171, Silane coupling agent KH550 or silane coupling agent KH560.
5. nano anti-corrosive insulating moulding coating according to claim 1, which is characterized in that the wetting dispersing agent is ammonium acrylate
Dipersant.
6. nano anti-corrosive insulating moulding coating according to claim 1, which is characterized in that the thickener is non-ionic polyurethane
Compound, modified polyacrylic acid ammonium or modified polyacrylate sodium.
7. nano anti-corrosive insulating moulding coating according to claim 1, which is characterized in that the defoaming agent is polydimethylsiloxanes
Alkane solution or mineral oil.
8. the preparation method of nano anti-corrosive insulating moulding coating as described in claim 1, which comprises the following steps:
1) defoaming agent of wetting dispersing agent, 1/2~3/5 mass is added to the water according to formula ratio, in turning for 300~500r/min
The lower stirring of speed is sufficiently mixed；
2) be added into the mixture of step 1) aerosil, modified alumina silicate fibre and nano-pearl rock 1000~
Disperse under the revolving speed of 2000r/min；
3) epoxy resin is added into the dispersion liquid of step 2), increasing tougheness resin, thickener, benzimidazole esters, curing agent, receives
Rice zirconium oxide and remaining defoaming agent stir evenly.
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| CN201810792924.8A CN109233555A (en) | 2018-07-18 | 2018-07-18 | Nano anti-corrosive insulating moulding coating and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112126214A (en) * | 2019-06-25 | 2020-12-25 | 杭州巨星科技股份有限公司 | Nano composite polyurethane composite material applied to shock absorption layer of tool handle, tool handle and manufacturing method of tool handle |
| CN114989704A (en) * | 2022-07-19 | 2022-09-02 | 宁波科鑫腐蚀控制工程有限公司 | Anti-erosion composite coating and preparation method thereof |
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| CN103911030A (en) * | 2014-04-08 | 2014-07-09 | 中山科邦化工材料技术有限公司 | Preparation method of aerogel thermal-insulating coating |
| CN104277633A (en) * | 2014-10-20 | 2015-01-14 | 芜湖县双宝建材有限公司 | Nano insulating coating |
| CN107629599A (en) * | 2017-09-29 | 2018-01-26 | 嘉兴御创电力科技有限公司 | A kind of nanometer heat isolation paint |
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2018
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|---|---|---|---|---|
| CN103819998A (en) * | 2012-11-16 | 2014-05-28 | 苏州裕丰装饰门窗有限公司 | Heat insulating coating as well as coating method, paint and preparing method thereof |
| CN103911030A (en) * | 2014-04-08 | 2014-07-09 | 中山科邦化工材料技术有限公司 | Preparation method of aerogel thermal-insulating coating |
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| CN107629599A (en) * | 2017-09-29 | 2018-01-26 | 嘉兴御创电力科技有限公司 | A kind of nanometer heat isolation paint |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112126214A (en) * | 2019-06-25 | 2020-12-25 | 杭州巨星科技股份有限公司 | Nano composite polyurethane composite material applied to shock absorption layer of tool handle, tool handle and manufacturing method of tool handle |
| CN114989704A (en) * | 2022-07-19 | 2022-09-02 | 宁波科鑫腐蚀控制工程有限公司 | Anti-erosion composite coating and preparation method thereof |
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