CN108753137A - A kind of environmental protection equipment surface aging resistant coating - Google Patents
A kind of environmental protection equipment surface aging resistant coating Download PDFInfo
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- CN108753137A CN108753137A CN201810537770.8A CN201810537770A CN108753137A CN 108753137 A CN108753137 A CN 108753137A CN 201810537770 A CN201810537770 A CN 201810537770A CN 108753137 A CN108753137 A CN 108753137A
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- environmental protection
- diatomite
- protection equipment
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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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
-
- 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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- 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
-
- 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
-
- 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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- 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 invention discloses a kind of environmental protection equipment surface aging resistant coatings, are related to environmental technology field, are made of following component：Waterborne polyurethane resin, diatomite dopen Nano zeolite powder, propylene abietic acid binary acid modified polyvinylalcohol, hydroxy silicon oil, trimethyl silanol, talcum powder, ceramic hollow microballon, Ludox, antifoaming agent, thickener, deionized water；The diatomite dopen Nano zeolite powder that the present invention adds has with propylene abietic acid binary acid modified polyvinylalcohol cooperates with the ageing-resistant performance for improving coating, the bond energy between film interior molecules can effectively be enhanced, extraneous factor destruction is resisted in raising, especially resist be water and oxygen synergistic action effect it is more apparent.
Description
Technical field
The invention belongs to environmental technology fields, and in particular to a kind of environmental protection equipment surface aging resistant coating.
Background technology
In the state that many environmental protection equipments are all chronically at wind and weather in the prior art, long-time is exposed to the sun in the sun,
Therefore high to the requirement of the ageing-resistant performance on environmental protection equipment surface layer, but the environmental protection equipment surface layer after being coated using existing coating is made
With just will appear after a period of time, film is cracked, phenomena such as falling off, under the protection of not film, and environmental protection equipment surface
Easily corroded by external environment, significantly destroy environmental protection equipment, reduces its service life.
Invention content
The purpose of the present invention is for existing problem, provide a kind of environmental protection equipment surface aging resistant coating.
The present invention is achieved by the following technical solutions：
A kind of environmental protection equipment surface aging resistant coating, is made of following component by weight：Waterborne polyurethane resin 102-
105, diatomite dopen Nano zeolite powder 10-13, propylene abietic acid binary acid modified polyvinylalcohol 8-12, hydroxy silicon oil 3-5, front three
Base silicol 0.2-0.6, talcum powder 5-8, ceramic hollow microballon 3-5, Ludox 4.5-5.8, antifoaming agent 1.3-1.5, thickening
Agent 2.3-2.8, deionized water 78-85.
Further, the diatomite dopen Nano zeolite powder, preparation method thereof is：
Diatomite is pressed into 120g：The ratio uniform of 500mL is distributed in deionized water, obtains diatomite dispersion liquid.Then to silicon
The N of its quality 0.1% is added in diatomaceous earth dispersion liquid, N- dimethyl cyclohexylamine catalysts are stirred at 45 DEG C with 500r/min rotating speeds
Reaction 2 hours, then adds the nano zeolite powder of diatomite quality 10%, while diatomite dispersion liquid quality 0.12% is added again
Dibutyltin dilaurate catalyst, at 60 DEG C with 1500r/min rotating speeds stir 2 hours, then again under 15MPa pressure into
Row grinding 40min, then be filtered, it is cleaned using 70% ethanol solution, after filtering, then using deionized water cleaning, filters, dry
Do to constant weight to get.
Further, the diatom soil granularity is 850 mesh, and the nano zeolite powder dynamics is 90nm.
Further, the ceramic hollow microballon is handled by silane coupling agent：By ceramic hollow microballon using quality point
Number impregnates 40min for 12% organo silane coupling agent solution at 90 DEG C, is then filtered, using deionized water clean to
Neutrality, drying to constant weight to get.
Further, silica quality percentage is 22.5% in the Ludox.
Further, the antifoaming agent is organic silicon defoamer.
Further, the thickener is hydroxyethyl cellulose.
Further, the propylene abietic acid binary Acid modified starch preparation method is：
Starch is evenly spread in deionized water, the starch dispersion liquid that mass concentration is 12.5% is made, starch dispersion liquid is existed
40min is stirred with 3500r/min rotating speeds at 80 DEG C, the propylene abietic acid two of its quality 2.18% is then added into starch dispersion liquid
First acid, after stirring evenly, is added in reaction kettle, is handled 2 hours under being 8.5MPa in 92 DEG C, pressure, is then filtered, dries
It does to moisture content to 25%, then handles 25s under 550W microwaves, then after cooled to room temperature, using deionized water to starch
Cleaned to neutrality, drying to constant weight to get.
Further, the starch is that tapioca presses 6 with mung bean sweet potato starch:1 mass ratio mixes.
The present invention has the following advantages compared with prior art：The present invention is by adding propylene abietic acid binary acid modified poly ethylene
Alcohol can promote the counterdiffusion of polymer interface strand phase, infiltration, winding to a certain extent, have one to quickly be formed
Determine the film of mechanical property；It is evenly dispersed in coating system by propylene abietic acid binary acid modified polyvinylalcohol, it enables to apply
When material is attached to substrate surface, with the volatilization of moisture, continuous glued membrane can be preferably formed, it is frequent to avoid conventional coating
The drawbacks of being formed with the film or powdered substance of crackle, meanwhile, it is capable to which so that film significantly carries the adsorption capacity of base material
It is high；The present invention is added to diatomite dopen Nano zeolite powder and effectively improves the adhesion strength of polyurethane resin, reactivity again
With adhesion properties etc., finally obtained coating physicochemical property is good, and form a film stay in grade；Meanwhile diatomite dopen Nano zeolite
The addition of powder so that the toughness of film improves, and enhances the active force of film and substrate surface, but when its addition is excessive,
Film softens, and adhesive force reduces instead, with the addition of diatomite dopen Nano zeolite powder, molecular radical and emulsion base in particle
Group's cross-linking reaction, forms crosslinked reticular structure, film is made to have better compactness, pass through diatomite dopen Nano zeolite powder particle
Diffusion reduce the internal stress of film, increase adhesive force of the film to base material to a certain extent, the appearance of film also becomes
More transparent light is obtained, the water absorption rate of film is also with reduction；The diatomite dopen Nano zeolite powder that the present invention adds and propylene fir
Sour binary acid modified polyvinylalcohol have collaboration improve coating ageing-resistant performance, can effectively enhance film interior molecules it
Between bond energy, raising resist extraneous factor destruction, especially resist be water and oxygen synergistic action effect it is more apparent.
Specific implementation mode
Embodiment 1
A kind of environmental protection equipment surface aging resistant coating, is made of following component by weight：Waterborne polyurethane resin 102,
Diatomite dopen Nano zeolite powder 10, propylene abietic acid binary acid modified polyvinylalcohol 8, hydroxy silicon oil 3, trimethyl silanol
0.2, talcum powder 5, ceramic hollow microballon 3, Ludox 4.5, antifoaming agent 1.3, thickener 2.3, deionized water 78.
Further, the diatomite dopen Nano zeolite powder, preparation method thereof is：
Diatomite is pressed into 120g：The ratio uniform of 500mL is distributed in deionized water, obtains diatomite dispersion liquid.Then to silicon
The N of its quality 0.1% is added in diatomaceous earth dispersion liquid, N- dimethyl cyclohexylamine catalysts are stirred at 45 DEG C with 500r/min rotating speeds
Reaction 2 hours, then adds the nano zeolite powder of diatomite quality 10%, while diatomite dispersion liquid quality 0.12% is added again
Dibutyltin dilaurate catalyst, at 60 DEG C with 1500r/min rotating speeds stir 2 hours, then again under 15MPa pressure into
Row grinding 40min, then be filtered, it is cleaned using 70% ethanol solution, after filtering, then using deionized water cleaning, filters, dry
Do to constant weight to get.
Further, the diatom soil granularity is 850 mesh, and the nano zeolite powder dynamics is 90nm.
Further, the ceramic hollow microballon is handled by silane coupling agent：By ceramic hollow microballon using quality point
Number impregnates 40min for 12% organo silane coupling agent solution at 90 DEG C, is then filtered, using deionized water clean to
Neutrality, drying to constant weight to get.
Further, silica quality percentage is 22.5% in the Ludox.
Further, the antifoaming agent is organic silicon defoamer.
Further, the thickener is hydroxyethyl cellulose.
Further, the propylene abietic acid binary Acid modified starch preparation method is：
Starch is evenly spread in deionized water, the starch dispersion liquid that mass concentration is 12.5% is made, starch dispersion liquid is existed
40min is stirred with 3500r/min rotating speeds at 80 DEG C, the propylene abietic acid two of its quality 2.18% is then added into starch dispersion liquid
First acid, after stirring evenly, is added in reaction kettle, is handled 2 hours under being 8.5MPa in 92 DEG C, pressure, is then filtered, dries
It does to moisture content to 25%, then handles 25s under 550W microwaves, then after cooled to room temperature, using deionized water to starch
Cleaned to neutrality, drying to constant weight to get.
Further, the starch is that tapioca presses 6 with mung bean sweet potato starch:1 mass ratio mixes.
Embodiment 2
A kind of environmental protection equipment surface aging resistant coating, is made of following component by weight：Waterborne polyurethane resin 105,
Diatomite dopen Nano zeolite powder 13, propylene abietic acid binary acid modified polyvinylalcohol 12, hydroxy silicon oil 5, trimethyl silanol
0.6, talcum powder 8, ceramic hollow microballon 5, Ludox 5.8, antifoaming agent 1.5, thickener 2.8, deionized water 85.
Further, the diatomite dopen Nano zeolite powder, preparation method thereof is：
Diatomite is pressed into 120g：The ratio uniform of 500mL is distributed in deionized water, obtains diatomite dispersion liquid.Then to silicon
The N of its quality 0.1% is added in diatomaceous earth dispersion liquid, N- dimethyl cyclohexylamine catalysts are stirred at 45 DEG C with 500r/min rotating speeds
Reaction 2 hours, then adds the nano zeolite powder of diatomite quality 10%, while diatomite dispersion liquid quality 0.12% is added again
Dibutyltin dilaurate catalyst, at 60 DEG C with 1500r/min rotating speeds stir 2 hours, then again under 15MPa pressure into
Row grinding 40min, then be filtered, it is cleaned using 70% ethanol solution, after filtering, then using deionized water cleaning, filters, dry
Do to constant weight to get.
Further, the diatom soil granularity is 850 mesh, and the nano zeolite powder dynamics is 90nm.
Further, the ceramic hollow microballon is handled by silane coupling agent：By ceramic hollow microballon using quality point
Number impregnates 40min for 12% organo silane coupling agent solution at 90 DEG C, is then filtered, using deionized water clean to
Neutrality, drying to constant weight to get.
Further, silica quality percentage is 22.5% in the Ludox.
Further, the antifoaming agent is organic silicon defoamer.
Further, the thickener is hydroxyethyl cellulose.
Further, the propylene abietic acid binary Acid modified starch preparation method is：
Starch is evenly spread in deionized water, the starch dispersion liquid that mass concentration is 12.5% is made, starch dispersion liquid is existed
40min is stirred with 3500r/min rotating speeds at 80 DEG C, the propylene abietic acid two of its quality 2.18% is then added into starch dispersion liquid
First acid, after stirring evenly, is added in reaction kettle, is handled 2 hours under being 8.5MPa in 92 DEG C, pressure, is then filtered, dries
It does to moisture content to 25%, then handles 25s under 550W microwaves, then after cooled to room temperature, using deionized water to starch
Cleaned to neutrality, drying to constant weight to get.
Further, the starch is that tapioca presses 6 with mung bean sweet potato starch:1 mass ratio mixes.
Embodiment 3
A kind of environmental protection equipment surface aging resistant coating, is made of following component by weight：Waterborne polyurethane resin 103,
Diatomite dopen Nano zeolite powder 12, propylene abietic acid binary acid modified polyvinylalcohol 10, hydroxy silicon oil 4, trimethyl silanol
0.3, talcum powder 6, ceramic hollow microballon 4, Ludox 4.9, antifoaming agent 1.4, thickener 2.5, deionized water 82.
Further, the diatomite dopen Nano zeolite powder, preparation method thereof is：
Diatomite is pressed into 120g：The ratio uniform of 500mL is distributed in deionized water, obtains diatomite dispersion liquid.Then to silicon
The N of its quality 0.1% is added in diatomaceous earth dispersion liquid, N- dimethyl cyclohexylamine catalysts are stirred at 45 DEG C with 500r/min rotating speeds
Reaction 2 hours, then adds the nano zeolite powder of diatomite quality 10%, while diatomite dispersion liquid quality 0.12% is added again
Dibutyltin dilaurate catalyst, at 60 DEG C with 1500r/min rotating speeds stir 2 hours, then again under 15MPa pressure into
Row grinding 40min, then be filtered, it is cleaned using 70% ethanol solution, after filtering, then using deionized water cleaning, filters, dry
Do to constant weight to get.
Further, the diatom soil granularity is 850 mesh, and the nano zeolite powder dynamics is 90nm.
Further, the ceramic hollow microballon is handled by silane coupling agent：By ceramic hollow microballon using quality point
Number impregnates 40min for 12% organo silane coupling agent solution at 90 DEG C, is then filtered, using deionized water clean to
Neutrality, drying to constant weight to get.
Further, silica quality percentage is 22.5% in the Ludox.
Further, the antifoaming agent is organic silicon defoamer.
Further, the thickener is hydroxyethyl cellulose.
Further, the propylene abietic acid binary Acid modified starch preparation method is：
Starch is evenly spread in deionized water, the starch dispersion liquid that mass concentration is 12.5% is made, starch dispersion liquid is existed
40min is stirred with 3500r/min rotating speeds at 80 DEG C, the propylene abietic acid two of its quality 2.18% is then added into starch dispersion liquid
First acid, after stirring evenly, is added in reaction kettle, is handled 2 hours under being 8.5MPa in 92 DEG C, pressure, is then filtered, dries
It does to moisture content to 25%, then handles 25s under 550W microwaves, then after cooled to room temperature, using deionized water to starch
Cleaned to neutrality, drying to constant weight to get.
Further, the starch is that tapioca presses 6 with mung bean sweet potato starch:1 mass ratio mixes.
Comparative example 1：It is differed only in embodiment 1 and diatomite dopen Nano zeolite powder is replaced with into diatomite and nanometer boiling
Mountain flour physical mixed, mixed proportion are constant.
Comparative example 2：It is differed only in embodiment 1 and propylene abietic acid binary acid modified polyvinylalcohol is replaced with into unmodified place
The polyvinyl alcohol of reason.
Comparative example 3：It is differed only in embodiment 1 and propylene abietic acid binary acid modified polyvinylalcohol is replaced with into application number
200680017742.9 the modified polyvinylalcohol prepared.
Comparative example 4：It is 30% to differ only in silica quality score in Ludox with embodiment 1.
The measurement of film adhesive and hardness is according to GB/T 1720-1989《Paint film adhesion measuring method》And GB/T
6739—2006《Hardness of paint film measuring method》It measures；
Paint film spalling rate:It is tested using blade by ASTM-D219 methods or knife scrapes experiment；
Artificial weathering ageing resistance（GB/T9755-2001)/h；
Table 1
As can be seen from Table 1, the coating that prepared by the present invention has good adhesive force, ageing-resistant performance and case hardness.
Claims (9)
1. a kind of environmental protection equipment surface aging resistant coating, which is characterized in that be made by weight of following component：It is aqueous poly-
Urethane resin 102-105, diatomite dopen Nano zeolite powder 10-13, propylene abietic acid binary acid modified polyvinylalcohol 8-12, hydroxyl
Silicone oil 3-5, trimethyl silanol 0.2-0.6, talcum powder 5-8, ceramic hollow microballon 3-5, Ludox 4.5-5.8, antifoaming agent
1.3-1.5, thickener 2.3-2.8, deionized water 78-85.
2. a kind of environmental protection equipment surface aging resistant coating according to claim 1, which is characterized in that the diatomite is mixed
Miscellaneous nano zeolite powder, preparation method thereof is：
Diatomite is pressed into 120g：The ratio uniform of 500mL is distributed in deionized water, obtains diatomite dispersion liquid.Then to silicon
The N of its quality 0.1% is added in diatomaceous earth dispersion liquid, N- dimethyl cyclohexylamine catalysts are stirred at 45 DEG C with 500r/min rotating speeds
Reaction 2 hours, then adds the nano zeolite powder of diatomite quality 10%, while diatomite dispersion liquid quality 0.12% is added again
Dibutyltin dilaurate catalyst, at 60 DEG C with 1500r/min rotating speeds stir 2 hours, then again under 15MPa pressure into
Row grinding 40min, then be filtered, it is cleaned using 70% ethanol solution, after filtering, then using deionized water cleaning, filters, dry
Do to constant weight to get.
3. a kind of environmental protection equipment surface aging resistant coating according to claim 2, which is characterized in that the diatom grogs
Degree is 850 mesh, and the nano zeolite powder dynamics is 90nm.
4. a kind of environmental protection equipment surface aging resistant coating according to claim 1, which is characterized in that the ceramic hollow
Microballon is handled by silane coupling agent：Mass fraction is used to exist for 12% organo silane coupling agent solution ceramic hollow microballon
Impregnate 40min at 90 DEG C, be then filtered, cleaned to neutrality using deionized water, drying to constant weight to get.
5. a kind of environmental protection equipment surface aging resistant coating according to claim 1, which is characterized in that in the Ludox
Silica quality percentage is 22.5%.
6. a kind of environmental protection equipment surface aging resistant coating according to claim 1, which is characterized in that the antifoaming agent is
Organic silicon defoamer.
7. a kind of environmental protection equipment surface aging resistant coating according to claim 1, which is characterized in that the thickener is
Hydroxyethyl cellulose.
8. a kind of environmental protection equipment surface aging resistant coating according to claim 1, which is characterized in that the propylene abietic acid
Binary Acid modified starch preparation method is：
Starch is evenly spread in deionized water, the starch dispersion liquid that mass concentration is 12.5% is made, starch dispersion liquid is existed
40min is stirred with 3500r/min rotating speeds at 80 DEG C, the propylene abietic acid two of its quality 2.18% is then added into starch dispersion liquid
First acid, after stirring evenly, is added in reaction kettle, is handled 2 hours under being 8.5MPa in 92 DEG C, pressure, is then filtered, dries
It does to moisture content to 25%, then handles 25s under 550W microwaves, then after cooled to room temperature, using deionized water to starch
Cleaned to neutrality, drying to constant weight to get.
9. a kind of environmental protection equipment surface aging resistant coating according to claim 8, which is characterized in that the starch is wood
Sweet potato starch presses 6 with mung bean sweet potato starch:1 mass ratio mixes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810537770.8A CN108753137A (en) | 2018-05-30 | 2018-05-30 | A kind of environmental protection equipment surface aging resistant coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810537770.8A CN108753137A (en) | 2018-05-30 | 2018-05-30 | A kind of environmental protection equipment surface aging resistant coating |
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| Publication Number | Publication Date |
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| CN108753137A true CN108753137A (en) | 2018-11-06 |
Family
ID=64004151
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| CN201810537770.8A Withdrawn CN108753137A (en) | 2018-05-30 | 2018-05-30 | A kind of environmental protection equipment surface aging resistant coating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109705707A (en) * | 2018-11-12 | 2019-05-03 | 安徽江南泵阀有限公司 | A kind of modification infusorial earth enhancing chemical pump surface corrosion-resistant erosion coating |
| CN110093915A (en) * | 2019-03-27 | 2019-08-06 | 浙江立鹏建设有限公司 | A kind of bored pile construction method |
-
2018
- 2018-05-30 CN CN201810537770.8A patent/CN108753137A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109705707A (en) * | 2018-11-12 | 2019-05-03 | 安徽江南泵阀有限公司 | A kind of modification infusorial earth enhancing chemical pump surface corrosion-resistant erosion coating |
| CN110093915A (en) * | 2019-03-27 | 2019-08-06 | 浙江立鹏建设有限公司 | A kind of bored pile construction method |
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