CN106085050A - A kind of preparation method of rustless steel anticorrosive nano composite coating - Google Patents
A kind of preparation method of rustless steel anticorrosive nano composite coating Download PDFInfo
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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
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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
- C09D7/40—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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- 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
- 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
- C08K2201/002—Physical properties
- C08K2201/005—Additives being defined by their particle size in general
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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 invention discloses the preparation method of a kind of rustless steel anticorrosive nano composite coating, belong to nano composite dope preparing technical field.The present invention is with the rice husk of silicon dioxide as raw material, soak to react with sodium carbonate and calcine through mineral acid after burning and prepare nano silicon, mixed and modified through Cortex Cinnamomi and the microorganism rich in aldehyde radical again, compound with acrylic resin etc. and prepare rustless steel anticorrosive nano composite coating.The present invention carries out surface modification by Cortex Cinnamomi and microorganism to nano silicon, increase its surface functional group, improve the dispersibility of nano silicon, solve nano-particle and disperse uneven in coating, cause easily reuniting in preparation process, layering and the problem producing bubble occur.
Description
Technical field
The present invention relates to the preparation method of a kind of rustless steel anticorrosive nano composite coating, belong to nano composite dope system
Standby technical field.
Background technology
Rustless steel is the basic building materials of the national economic development, has been widely used in every field, in national economy
Middle will play an increasingly important role.In actual applications, stainless application development restricts to a great extent in its table
Face processes and resist technology.Under the corrosion function of various acid, caustic corrosion and wet environment, stainless surface property is subject to
Serious destruction.This not only causes potential safety hazard, but also because changes steel in advance to cause great resource, energy wave
Take.Nano material have small-size effect, skin effect, quantum size effect, macro quanta tunnel effect and special light,
The performance such as power, electricity, utilizes nano material to be modified traditional material, and exploitation high-performance, the new material of low cost have become as
The developing direction that field of engineering technology is new.Traditional coating can be obviously enhanced with the nano-oxide particles that titanium dioxide etc. represents
Adhesive force, hardness, thermostability, the performance such as abrasion resistance, promote quality and the added value of traditional industry coating.These nano oxygen
Compound is increasingly becoming the important filler of preparation metal surface high-performance protective coating.But owing to nano-particle specific surface area is big, connect
Contacting surface is big, disperses uneven, cause easily reuniting in preparation process in coating, layering occurs and produces the phenomenon of bubble,
Limit the application of nano composite dope.
Summary of the invention
The technical problem to be solved: for traditional rustless steel nano composite dope due to nano-particle ratio
Surface area is big, contact surface is big, disperses uneven in coating, causes easily reuniting in preparation process, layering occurs and produces
The drawback of bubble, it is provided that a kind of rice husk with silicon dioxide, as raw material, soaks and sodium carbonate reacts also through mineral acid after burning
Calcining prepares nano silicon, then through mixed and modified rich in Cortex Cinnamomi and the microorganism of aldehyde radical, with the compounding system such as acrylic resin
Obtain the rustless steel method of anticorrosive nano composite coating.The present invention carries out table by Cortex Cinnamomi and microorganism to nano silicon
Face is modified, increases its surface functional group, improves the dispersibility of nano silicon, solves nano-particle and disperse not in coating
Uniformly, cause easily reuniting in preparation process, layering and the problem producing bubble occur.
For solving above-mentioned technical problem, the present invention uses the technical scheme as described below to be:
(1) 1～2kg rice husk is put into and boiler burns 1～2h, collect the rice hull ash of residual after burning, by volume will for 1:5
It is in 0.3mol/L citric acid solution that rice hull ash immerses mass concentration, and puts into insulated and stirred reaction in 90～100 DEG C of water-baths
Overnight, filter and separate to obtain filtering residue, then by filtering residue and sodium carbonate liquor that mass concentration is 30% by volume for 1:3 mixing after,
Continue stirring reaction 7～9h at 80～90 DEG C, obtain mixed liquor；
(2) in above-mentioned mixed liquor, add its gross mass 1～Polyethylene Glycol of 3%, after stirring 15～20min, put into 4～6 DEG C of ice
In water-bath still aging 2～3 days, subsequently product is moved in buchner funnel, after deionized water filtering and washing 3～5 times, will filter
Slag puts into Muffle furnace, calcines 2～4h, obtain nano silicon at 500～600 DEG C；
(3) weigh 1～2kg green meat Cortex cinnamomi japonici (Ramulus Cinnamomi) to put in corundum mortar and grind to form pastel, by nanometer titanium dioxide obtained above
Put into after silicon and the mixing of isopyknic Cortex Cinnamomi pastel in pottery fermentation tank, by inoculum concentration 8～10%, bacillus acidophilus's access is sent out
Ferment tank also drips 10～20mL Herba Lysimachiae foenum-graeci quintessence oil, then put into by fermentation tank in 30～35 DEG C of greenhouses, heat-preservation fermentation modified 8～10
My god；
(4) by above-mentioned tunning immigration horizontal centrifuge with 3000～4000r/min rotating speed centrifugal treating 10～20min, point
From lower sediment, then lower sediment is put into Muffle furnace, be passed through argon wherein simultaneously until displacement come out of the stove in all air,
It is warming up to 200～300 DEG C with 5 DEG C/min rate program, insulation calcining 1～2h, obtain the nano-silica powder after surface modification
End；
(5) weigh 30～40g modified nano grade silica particles obtained above, add it to 300～400mL n-butyl alcohol
In, put into ultrasonic disperse instrument and disperse 25～35min with 300～400W power ultrasonics, obtain dispersion liquid；
(6) above-mentioned dispersion liquid is proceeded in ball mill, then be separately added into 200～300mL acrylic resins, 30～50mL asphalt mixtures modified by epoxy resin
Fat, 60～80mL ethylene glycol monobutyl ether, start ball mill and be ground, with 400～500r/min rotating speeds in process of lapping again
Being separately added into 3～5g polydimethylsiloxane and 2～4g emulsified silicone oils, discharging after continuing to grind 3～5h, tinning i.e. obtains rustless steel
Use anticorrosive nano composite coating.
The application process of the present invention: before application, is respectively washed corrosion resistant plate acetone, ethanol and distilled water 2～3 times,
And after ventilation makes it naturally dry, the rustless steel anticorrosive nano composite coating present invention prepared uniformly is sprayed at not
Rust surface of steel plate, controlling fountain height is 45～55g/m2, after having sprayed, carry out roller coat by bar rapidly, in atmosphere levelling 2～
3min, places into and is incubated 8～10min in 195～205 DEG C of baking ovens, natural cooling after removal baking oven.This nano composite dope
Good dispersion, produces without layering and bubble phenomenon, good with matrix associativity, can effectively prevent stainless corrosion.
The present invention is compared with additive method, and Advantageous Effects is:
(1) preparation process of the present invention is simple, and Cortex Cinnamomi and microorganism carry out surface modification to nano silicon, increase its surface official
Can roll into a ball, improve the dispersibility of nano silicon, with strong points；
(2) in preparation process, nano-particle is uniformly dispersed in coating, is difficult to reunite, and gained coating produces without layering and bubble phenomenon
Raw.
Detailed description of the invention
First 1～2kg rice husk is put into and boiler burns 1～2h, collect the rice hull ash of residual after burning, be by volume
It is in 0.3mol/L citric acid solution that rice hull ash is immersed mass concentration by 1:5, and puts into insulated and stirred in 90～100 DEG C of water-baths
Reaction overnight, is filtered and is separated to obtain filtering residue, then filtering residue and the sodium carbonate liquor that mass concentration is 30% is mixed for 1:3 by volume
After, at 80～90 DEG C, continue stirring reaction 7～9h, obtain mixed liquor；State then up in mixed liquor and add its gross mass 1～3%
Polyethylene Glycol, after stirring 15～20min, put in 4～6 DEG C of ice-water baths still aging 2～3 days, subsequently product moved into cloth
In family name's funnel, after deionized water filtering and washing 3～5 times, filtering residue is put into Muffle furnace, at 500～600 DEG C, calcines 2～4h,
Obtain nano silicon；Weigh 1～2kg green meat Cortex cinnamomi japonici (Ramulus Cinnamomi) again to put in corundum mortar and grind to form pastel, by obtained above
Put into after nano silicon and the mixing of isopyknic Cortex Cinnamomi pastel in pottery fermentation tank, will be addicted to yogurt by inoculum concentration 8～10%
Bacillus is accessed fermentation tank and drips 10～20mL Herba Lysimachiae foenum-graeci quintessence oil, then is put into by fermentation tank in 30～35 DEG C of greenhouses, heat-preservation fermentation
Modified 8～10 days；Above-mentioned tunning is moved into horizontal centrifuge with 3000～4000r/min rotating speed centrifugal treating 10～
20min, separates to obtain lower sediment, then lower sediment is put into Muffle furnace, is simultaneously passed through argon wherein until during displacement comes out of the stove
All air, are warming up to 200～300 DEG C with 5 DEG C/min rate program, insulation calcining 1～2h, obtain the nanometer after surface modification two
Silicon oxide powder；Weigh 30～40g modified nano grade silica particles obtained above, just add it to 300～400mL
In butanol, put into ultrasonic disperse instrument and disperse 25～35min with 300～400W power ultrasonics, obtain dispersion liquid；Finally by above-mentioned dispersion
Liquid proceeds in ball mill, then is separately added into 200～300mL acrylic resins, 30～50mL epoxy resin, 60～80mL ethylene glycol
Monobutyl ether, starts ball mill and is ground with 400～500r/min rotating speeds, be separately added into 3～5g poly-two in process of lapping again
Methylsiloxane and 2～4g emulsified silicone oils, discharging after continuing to grind 3～5h, tinning i.e. obtains rustless steel anticorrosive nano and is combined
Coating.
Example 1
First 1kg rice husk is put into burning 1h in boiler, collects the rice hull ash of residual after burning, be that 1:5 is by rice husk by volume
It is in 0.3mol/L citric acid solution that ash immerses mass concentration, and puts in 90 DEG C of water-baths insulated and stirred and react overnight, filters
Separate to obtain filtering residue, then after filtering residue and sodium carbonate liquor that mass concentration is 30% are mixed for 1:3 by volume, continue at 80 DEG C
Continuous stirring reaction 7h, obtains mixed liquor；State in mixed liquor the Polyethylene Glycol adding its gross mass 1% then up, after stirring 15min,
Put in 4 DEG C of ice-water baths still aging 2 days, subsequently product is moved in buchner funnel, after deionized water filtering and washing 3 times,
Filtering residue is put into Muffle furnace, at 500 DEG C, calcines 2h, obtain nano silicon；Weigh 1kg green meat Cortex cinnamomi japonici (Ramulus Cinnamomi) again to put into corundum and grind
Alms bowl grinds to form pastel, puts into pottery after nano silicon obtained above and isopyknic Cortex Cinnamomi pastel being mixed and send out
In ferment tank, by inoculum concentration 8%, bacillus acidophilus accessed fermentation tank and drip 10L Herba Lysimachiae foenum-graeci quintessence oil, then fermentation tank is put into 30 DEG C
In greenhouse, modified 8 days of heat-preservation fermentation；Above-mentioned tunning is moved into horizontal centrifuge with 3000r/min rotating speed centrifugal treating
10min, separates to obtain lower sediment, then lower sediment is put into Muffle furnace, is simultaneously passed through argon wherein until during displacement comes out of the stove
All air, are warming up to 200 DEG C with 5 DEG C/min rate program, insulation calcining 1h, obtain the nano-silica powder after surface modification
End；Weigh 30g modified nano grade silica particles obtained above, add it to, in 300mL n-butyl alcohol, put into ultrasonic point
Dissipate instrument and disperse 25min with 300W power ultrasonic, obtain dispersion liquid；Finally above-mentioned dispersion liquid is proceeded in ball mill, then be separately added into
200mL acrylic resin, 30mL epoxy resin, 60mL ethylene glycol monobutyl ether, start ball mill and grind with 400r/min rotating speed
Mill, is separately added into 3g polydimethylsiloxane and 2g emulsified silicone oil in process of lapping again, continues to grind discharging after 3h, and tinning is i.e.
Obtain rustless steel anticorrosive nano composite coating.
Before application, corrosion resistant plate acetone, ethanol and distilled water are respectively washed 2 times, and make it naturally dry in the air in ventilation
After Gan, the rustless steel anticorrosive nano composite coating present invention prepared uniformly is sprayed at corrosion resistant plate surface, controls to spray
Amount is 45g/m2, after having sprayed, carry out roller coat, in atmosphere levelling 2min by bar rapidly, place in 195 DEG C of baking ovens and be incubated
8min, natural cooling after removal baking oven.This nano composite dope good dispersion, produces, with base without layering and bubble phenomenon
Body associativity is good, can effectively prevent stainless corrosion.
Example 2
First 2kg rice husk is put into burning 2h in boiler, collects the rice hull ash of residual after burning, be that 1:5 is by rice husk by volume
It is in 0.3mol/L citric acid solution that ash immerses mass concentration, and puts in 95 DEG C of water-baths insulated and stirred and react overnight, filters
Separate to obtain filtering residue, then after filtering residue and sodium carbonate liquor that mass concentration is 30% are mixed for 1:3 by volume, continue at 85 DEG C
Continuous stirring reaction 8h, obtains mixed liquor；State in mixed liquor the Polyethylene Glycol adding its gross mass 2% then up, after stirring 18min,
Put in 5 DEG C of ice-water baths still aging 3 days, subsequently product is moved in buchner funnel, after deionized water filtering and washing 4 times,
Filtering residue is put into Muffle furnace, at 550 DEG C, calcines 3h, obtain nano silicon；Weigh 2kg green meat Cortex cinnamomi japonici (Ramulus Cinnamomi) again to put into corundum and grind
Alms bowl grinds to form pastel, puts into pottery after nano silicon obtained above and isopyknic Cortex Cinnamomi pastel being mixed and send out
In ferment tank, by inoculum concentration 9%, bacillus acidophilus accessed fermentation tank and drip 15mL Herba Lysimachiae foenum-graeci quintessence oil, then fermentation tank is put into 33
In DEG C greenhouse, modified 9 days of heat-preservation fermentation；Above-mentioned tunning is moved into horizontal centrifuge with 3500r/min rotating speed centrifugal treating
15min, separates to obtain lower sediment, then lower sediment is put into Muffle furnace, is simultaneously passed through argon wherein until during displacement comes out of the stove
All air, are warming up to 250 DEG C with 5 DEG C/min rate program, insulation calcining 2h, obtain the nano-silica powder after surface modification
End；Weigh 35g modified nano grade silica particles obtained above, add it to, in 350mL n-butyl alcohol, put into ultrasonic point
Dissipate instrument and disperse 30min with 350W power ultrasonic, obtain dispersion liquid；Finally above-mentioned dispersion liquid is proceeded in ball mill, then be separately added into
250mL acrylic resin, 40mL epoxy resin, 70mL ethylene glycol monobutyl ether, start ball mill and grind with 450r/min rotating speed
Mill, is separately added into 4g polydimethylsiloxane and 3g emulsified silicone oil in process of lapping again, continues to grind discharging after 4h, and tinning is i.e.
Obtain rustless steel anticorrosive nano composite coating.
Before application, corrosion resistant plate acetone, ethanol and distilled water are respectively washed 3 times, and make it naturally dry in the air in ventilation
After Gan, the rustless steel anticorrosive nano composite coating present invention prepared uniformly is sprayed at corrosion resistant plate surface, controls to spray
Amount is 50g/m2, after having sprayed, carry out roller coat, in atmosphere levelling 3min by bar rapidly, place in 200 DEG C of baking ovens and be incubated
9min, natural cooling after removal baking oven.This nano composite dope good dispersion, produces, with base without layering and bubble phenomenon
Body associativity is good, can effectively prevent stainless corrosion.
Example 3
First 2kg rice husk is put into burning 2h in boiler, collects the rice hull ash of residual after burning, be that 1:5 is by rice husk by volume
It is in 0.3mol/L citric acid solution that ash immerses mass concentration, and puts in 100 DEG C of water-baths insulated and stirred and react overnight, filters
Separate to obtain filtering residue, then after filtering residue and sodium carbonate liquor that mass concentration is 30% are mixed for 1:3 by volume, continue at 90 DEG C
Continuous stirring reaction 9h, obtains mixed liquor；State in mixed liquor the Polyethylene Glycol adding its gross mass 3% then up, after stirring 20min,
Put in 6 DEG C of ice-water baths still aging 3 days, subsequently product is moved in buchner funnel, after deionized water filtering and washing 5 times,
Filtering residue is put into Muffle furnace, at 600 DEG C, calcines 4h, obtain nano silicon；Weigh 2kg green meat Cortex cinnamomi japonici (Ramulus Cinnamomi) again to put into corundum and grind
Alms bowl grinds to form pastel, puts into pottery after nano silicon obtained above and isopyknic Cortex Cinnamomi pastel being mixed and send out
In ferment tank, by inoculum concentration 10%, bacillus acidophilus accessed fermentation tank and drip 20mL Herba Lysimachiae foenum-graeci quintessence oil, then fermentation tank is put into 35
In DEG C greenhouse, modified 10 days of heat-preservation fermentation；Above-mentioned tunning is moved into horizontal centrifuge with 4000r/min rotating speed centrifugal treating
20min, separates to obtain lower sediment, then lower sediment is put into Muffle furnace, is simultaneously passed through argon wherein until during displacement comes out of the stove
All air, are warming up to 300 DEG C with 5 DEG C/min rate program, insulation calcining 2h, obtain the nano-silica powder after surface modification
End；Weigh 40g modified nano grade silica particles obtained above, add it to, in 400mL n-butyl alcohol, put into ultrasonic point
Dissipate instrument and disperse 35min with 400W power ultrasonic, obtain dispersion liquid；Finally above-mentioned dispersion liquid is proceeded in ball mill, then be separately added into
300mL acrylic resin, 50mL epoxy resin, 80mL ethylene glycol monobutyl ether, start ball mill and grind with 500r/min rotating speed
Mill, is separately added into 5g polydimethylsiloxane and 4g emulsified silicone oil in process of lapping again, continues to grind discharging after 5h, and tinning is i.e.
Obtain rustless steel anticorrosive nano composite coating.
Before application, corrosion resistant plate acetone, ethanol and distilled water are respectively washed 3 times, and make it naturally dry in the air in ventilation
After Gan, the rustless steel anticorrosive nano composite coating present invention prepared uniformly is sprayed at corrosion resistant plate surface, controls to spray
Amount is 55g/m2, after having sprayed, carry out roller coat, in atmosphere levelling 3min by bar rapidly, place in 205 DEG C of baking ovens and be incubated
10min, natural cooling after removal baking oven.This nano composite dope good dispersion, produces, with base without layering and bubble phenomenon
Body associativity is good, can effectively prevent stainless corrosion.
Claims (1)
1. the rustless steel preparation method of anticorrosive nano composite coating, it is characterised in that concrete preparation process is:
(1) 1～2kg rice husk is put into and boiler burns 1～2h, collect the rice hull ash of residual after burning, by volume will for 1:5
It is in 0.3mol/L citric acid solution that rice hull ash immerses mass concentration, and puts into insulated and stirred reaction in 90～100 DEG C of water-baths
Overnight, filter and separate to obtain filtering residue, then by filtering residue and sodium carbonate liquor that mass concentration is 30% by volume for 1:3 mixing after,
Continue stirring reaction 7～9h at 80～90 DEG C, obtain mixed liquor；
(2) in above-mentioned mixed liquor, add its gross mass 1～Polyethylene Glycol of 3%, after stirring 15～20min, put into 4～6 DEG C of ice
In water-bath still aging 2～3 days, subsequently product is moved in buchner funnel, after deionized water filtering and washing 3～5 times, will filter
Slag puts into Muffle furnace, calcines 2～4h, obtain nano silicon at 500～600 DEG C；
(3) weigh 1～2kg green meat Cortex cinnamomi japonici (Ramulus Cinnamomi) to put in corundum mortar and grind to form pastel, by nanometer titanium dioxide obtained above
Put into after silicon and the mixing of isopyknic Cortex Cinnamomi pastel in pottery fermentation tank, by inoculum concentration 8～10%, bacillus acidophilus's access is sent out
Ferment tank also drips 10～20mL Herba Lysimachiae foenum-graeci quintessence oil, then put into by fermentation tank in 30～35 DEG C of greenhouses, heat-preservation fermentation modified 8～10
My god；
(4) by above-mentioned tunning immigration horizontal centrifuge with 3000～4000r/min rotating speed centrifugal treating 10～20min, point
From lower sediment, then lower sediment is put into Muffle furnace, be passed through argon wherein simultaneously until displacement come out of the stove in all air,
It is warming up to 200～300 DEG C with 5 DEG C/min rate program, insulation calcining 1～2h, obtain the nano-silica powder after surface modification
End；
(5) weigh 30～40g modified nano grade silica particles obtained above, add it to 300～400mL n-butyl alcohol
In, put into ultrasonic disperse instrument and disperse 25～35min with 300～400W power ultrasonics, obtain dispersion liquid；
(6) above-mentioned dispersion liquid is proceeded in ball mill, then be separately added into 200～300mL acrylic resins, 30～50mL asphalt mixtures modified by epoxy resin
Fat, 60～80mL ethylene glycol monobutyl ether, start ball mill and be ground, with 400～500r/min rotating speeds in process of lapping again
Being separately added into 3～5g polydimethylsiloxane and 2～4g emulsified silicone oils, discharging after continuing to grind 3～5h, tinning i.e. obtains rustless steel
Use anticorrosive nano composite coating.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112646683A (en) * | 2021-03-17 | 2021-04-13 | 贵州荔波天心堂健康产业有限责任公司 | Green plum wine fermentation tank |
| CN113966727A (en) * | 2021-09-30 | 2022-01-25 | 界首市汇珠渔具有限公司 | Production process method for enhancing bonding strength of plastic bionic bait fishhook connecting piece |
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| CN103693650A (en) * | 2013-12-25 | 2014-04-02 | 中盈长江国际新能源投资有限公司 | Method for producing nano silicon dioxide and nano calcium carbonate by using rice hull ash and flue gas of biomass power plant |
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| CN1746236A (en) * | 2005-08-25 | 2006-03-15 | 复旦大学 | High-performance organic-inorganic resin coating material with hybrid acrylic ester and production thereof |
| CN103693650A (en) * | 2013-12-25 | 2014-04-02 | 中盈长江国际新能源投资有限公司 | Method for producing nano silicon dioxide and nano calcium carbonate by using rice hull ash and flue gas of biomass power plant |
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Application publication date: 20161109 |