CN109206991A - A kind of preparation method of electromagnetic drive type hydrogel nonpolluting coating material - Google Patents
A kind of preparation method of electromagnetic drive type hydrogel nonpolluting coating material 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
- C09D129/00—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 an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Coating compositions based on hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Coating compositions based on derivatives of such polymers
- C09D129/02—Homopolymers or copolymers of unsaturated alcohols
- C09D129/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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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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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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- 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
- C09D7/20—Diluents or solvents
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2275—Ferroso-ferric oxide (Fe3O4)
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- 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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- 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
Abstract
A kind of preparation method of electromagnetic drive type polyvinyl alcohol magnetic hydrogel nonpolluting coating, including the first and second the third three components: component A is using polyvinyl alcohol resin as base-material, deionized water is as decentralized medium, add Magnaglo, thixotropic agent, defoaming agent, by the way that technique dispersed material is sanded, it is allowed to uniformly mixed, and fineness is less than 80 μm；Component B is formed by the way that dialdehyde dispersion is configured to certain density aldehyde solution in deionized water；Third component is formed by the way that Bronsted acid dispersion is configured to certain density acid solution in deionized water.Additional alternating magnetic field can make the dynamic change of invented magnetic hydrogel surface generation micromorphology, by the Dynamic Skin characteristic for simulating marine organisms, inhibit fouling organism attachment, play the role of antifouling, the biological inhibition of indoor boat type algae adhere to and desorption experiments have shown that, under action of alternating magnetic field, which there is good fouling organism to inhibit attachment and desorption performance.
Description
Technical field
The invention belongs to coating material preparation technical fields, and in particular to a kind of electromagnetic drive type hydrogel nonpolluting coating material
The preparation method of material.
Background technique
During human development utilizes ocean, marine biofouling can bring great harm to ship, such as increase
Ship resistance increases hull weight, increases fuel consumption, the increase of hull burn into is accelerated to lie up maintenance frequency etc., currently,
It solves fouling organism to adhere to most economical, effective, universal method to be in marine facility external coating antifouling paint.Currently on the market
Most popular antifouling paint is mainly Tin-free Spc Anti-fouling Paint, and resin binder is broadly divided into three categories: acrylic acid
Zinc resin, acrylate resin, silanization acrylic resin.Main anti-fouling agent is cuprous oxide, compounding auxiliary anti-fouling agent, coating table
Face resin hydrolyzes under seawater eroding and occurs constantly to ooze out the antifouling effect that reaches by anti-fouling agent from polishing, such from polishing
Antifouling paint is sensitive to seawater velocity, and anti-fouling effect is preferable under Scouring Condition, but anti-fouling effect is poor under static conditions, and anti-
Dirty agent is mostly cuprous oxide etc. containing heavy metal compound, is difficult to decompose in the seawater, easily causes biological concentration, destroys ecological ring
Border, the reinforcement with countries in the world for marine eco-environment protective awareness, exploitation low toxicity or nontoxic antifouling paint have become not
Carry out the trend of antifouling paint development.
Living nature effectively can prevent fouling organism from adhering to by the method for very " close friend ", and bionical anti-fouling material is opened
Hair is the developing direction of the following environmentally protective antifouling paint, a large number of studies show that, the epidermal structure of marine organism is not a kind of
Fixed mode surface micro-structure, but a kind of micro-structure of dynamic change, epidermal structure can be transported with bio-tissue structure
It moves and moves, therefore general spore or algae are difficult to adhere on its surface, drastically reduce other Macro-fouling Organismss and post
Occupy the probability of attachment.
Currently, other field prepares hydrogel or magnetic hydrogel mainly by the way of freeze-thaw repeatedly, for example, existing
Have technology to disclose three kinds of hydrogels: the first is arrived to pour into certain density polyvinyl alcohol water solution in mold at ~ 10 DEG C
~ 40 DEG C of freeze formings, then thaw, then put back to household freezer at room temperature, and 3 to 5 times so on circulate, available elasticity
Good, mechanical strength is general, transparent hydrogel, but this method is larger using limiting in coatings industry；Second is that will activate
Agate particle afterwards is mixed with chitosan, acrylic acid, and crosslinking agent and initiator is added, and is reacted under ultraviolet light irradiation
Gel solution is obtained, then is blended with magnetic particles of ferroferric oxide, in ~ 10 DEG C to ~ 40 DEG C freeze formings after mixing, is used
The mode that thaw at RT, household freezer freeze recycles 3 to 5 times, is not likely to produce reunion and deposited phenomenon, obtained magnetic hydrogel power
It is good to learn performance, but industrial application limitation is larger；The third is by methacrylic acid, sulfydryl acrylic acid in photoinitiator hexichol first
Under the action of ketone, caused with ultraviolet irradiation and polymerize, polymeric hydrogel is formed, then with FeCl2And FeCl3Ammonium hydroxide is added for raw material
Reaction generates iron hydroxide, obtains magnetization ferroso-ferric oxide using calcining, magnetizing, then hydrogel and magnetization four are aoxidized three
Iron, withered grass bud bacterium thallus are mixed, and obtain magnetic hydrogel, and this method prepares magnetic hydrogel process complexity, sample weight
Multiple rate is inadequate, and magnetic property is poor.
Summary of the invention
It is an object of the present invention to provide it is a kind of can under the conditions of alternating magnetic field dynamic regulation coating surface micro-structure water-setting
Glue nonpolluting coating material, the anti-fouling material can be inhibited fouling organism attachment, be risen by the Dynamic Skin characteristic of simulation marine organisms
To antifouling effect.
A kind of preparation method of electromagnetic drive type hydrogel nonpolluting coating material, which is characterized in that including preparing step as follows
It is rapid:
Step 1: the preparation of first component: according to parts by weight, by 5 ~ 10 parts of polyvinyl alcohol resin, 50 ~ 90 parts of deionized water and disappearing
0.5 ~ 1 part of infusion is added to dispersion scuffing of cylinder bore high speed and disperses 8 ~ 12min, is completely dissolved in deionized water to polyvinyl alcohol resin
Then 15 ~ 50 parts and 1 ~ 2 part of thixotropic agent of addition Magnaglo afterwards is added 30 ~ 40 parts of bead and is sanded to above-mentioned mixing
Object fineness is discharged less than 80 μm with the strainer filtering of 100 mesh, spare；
Step 2: the preparation of second component: according to parts by weight, 0.5 ~ 2 part and 80 ~ 100 parts of deionized water of dialdehyde being added to
Disperse the dispersion of scuffing of cylinder bore high speed, the dialdehyde aqueous solution that concentration is 0.5% ~ 2% is obtained after being uniformly dispersed, it is spare；
Step 3: the preparation of the third component: according to parts by weight, 5 ~ 10 parts of Bronsted acid and 80 ~ 100 parts of deionized water being added to point
The dispersion of scuffing of cylinder bore high speed is dissipated, the protonic acid aqueous solution that concentration is 5% ~ 10% is obtained after being uniformly dispersed, it is spare；
Step 4: first component, second component and the third component are both obtained hydrogel according to 15 ~ 25:1 of weight ratio ~ 3:1 ~ 3 after mixing
Nonpolluting coating material.
Advanced optimize, the polyvinyl alcohol resin in the step 1 be material model 1788,1799,2088,2099,
2399, one or more of 2488,2499,2598,2699.
It advanced optimizes, the defoaming agent in the step 1 is waterborne organic silicon defoaming agent, aqueous polyethers defoaming agent, gathers
One or more of modified silicon defoaming agent of ether etc..
It advanced optimizes, the Magnaglo in the step 1 is magnetic ferroferric oxide, nickel powder, nickel-zinc ferrite, zinc
One or more of magnetisable materials such as chromium ferrite, nickel-copper ferrite, iron cobalt nickel alloy.
It advanced optimizes, the thixotropic agent in the step 1 is hydrophilic fumed silica, hydrophily bentonite, silicic acid
One or more of magnesium lithium.
It advanced optimizes, the fineness of Magnaglo is 20 ~ 50 μm in the step 1.
It advanced optimizes, the diameter of the bead in the step 1 is 0.4 ~ 1.0mm.
Advanced optimize, the dialdehyde in the step 2 be glutaraldehyde, o-phthalaldehyde, malonaldehyde, butanedial, oneself two
One or more of aldehyde.
It advanced optimizes, the Bronsted acid in the step 3 is formic acid, acetic acid, sulfuric acid, hydrochloric acid, nitric acid, tartaric acid, high chlorine
Acid, one of or it is several.
Advanced optimize, it is described Step 1: in step 2 and step 3 disperse scuffing of cylinder bore dispersion revolving speed be 500 ~
1000rpm。
The beneficial effects of the present invention are:
One, the thixotropic agent and defoaming agent used is water-soluble additive, deionized water as dispersing agent and solvent, is avoided
The toxicity of coating material is effectively reduced in the use of organic solvent in the prior art；
Two, it compares with the coating material for being not added with Magnaglo, the coating material for adding Magnaglo is raw by simulation ocean
The Dynamic Skin characteristic of object inhibits fouling organism attachment, play the role of it is antifouling, by the attachment of the biological inhibition of indoor boat type algae and
Experiments have shown that under action of alternating magnetic field, which there is desorption good fouling organism to inhibit attachment and desorption
Performance；
Three, low to temperature environment requirement, it can react at room temperature, preparation process is simple, easy to operate；
In conclusion the coating material, using polyvinyl alcohol as base-material, aldehyde material leads to as crosslinking agent, acid solution as catalyst
It crosses chemical crosslink technique to be prepared, Surface Microtexture dynamic can occur under alternating magnetic field environment and become for prepared nonpolluting coating material
Change, by simulating the Dynamic Skin characteristic of marine organisms, inhibits fouling organism attachment, play the role of antifouling.
Detailed description of the invention
Fig. 1 is magnetisable coating SEM photograph after freeze-drying
Fig. 2 is not apply coating morphology under alternating magnetic field strength condition
Fig. 3 is coating morphology under the conditions of weak alternating magnetic field strength
Fig. 4 is coating morphology under medium alternating magnetic field strength condition
Fig. 5 is magnetic hydrogel coating in no alternating magnetic field environment fouling organism inhibition adhesion condition figure
Fig. 6 is that magnetic hydrogel coating is having alternating magnetic field environment fouling organism to inhibit adhesion condition figure.
Specific embodiment
A kind of preparation method of electromagnetic drive type hydrogel nonpolluting coating material, specific embodiment are as follows: including as follows
Preparation step:
Step 1: the preparation of first component: according to parts by weight, by 5 ~ 10 parts of polyvinyl alcohol resin, 50 ~ 90 parts of deionized water and disappearing
0.5 ~ 1 part of infusion is added to dispersion scuffing of cylinder bore high speed and disperses 8 ~ 12min, is completely dissolved in deionized water to polyvinyl alcohol resin
Then 15 ~ 50 parts and 1 ~ 2 part of thixotropic agent of addition Magnaglo afterwards is added 30 ~ 40 parts of bead and is sanded to above-mentioned mixing
Object fineness is discharged less than 80 μm with the strainer filtering of 100 mesh, spare；
Step 2: the preparation of second component: according to parts by weight, 0.5 ~ 2 part and 80 ~ 100 parts of deionized water of dialdehyde being added to
Disperse the dispersion of scuffing of cylinder bore high speed, the dialdehyde aqueous solution that concentration is 0.5% ~ 2% is obtained after being uniformly dispersed, it is spare；
Step 3: the preparation of the third component: according to parts by weight, 5 ~ 10 parts of Bronsted acid and 80 ~ 100 parts of deionized water being added to point
The dispersion of scuffing of cylinder bore high speed is dissipated, the protonic acid aqueous solution that concentration is 5% ~ 10% is obtained after being uniformly dispersed, it is spare；
Step 4: first component, second component and the third component are both obtained hydrogel according to 15 ~ 25:1 of weight ratio ~ 3:1 ~ 3 after mixing
Nonpolluting coating material.
Advanced optimize, the polyvinyl alcohol resin in the step 1 be material model 1788,1799,2088,2099,
2399, one or more of 2488,2499,2598,2699.
It advanced optimizes, the defoaming agent in the step 1 is waterborne organic silicon defoaming agent, aqueous polyethers defoaming agent, gathers
One or more of modified silicon defoaming agent of ether etc..
It advanced optimizes, the Magnaglo in the step 1 is magnetic ferroferric oxide, nickel powder, nickel-zinc ferrite, zinc
One or more of magnetisable materials such as chromium ferrite, nickel-copper ferrite, iron cobalt nickel alloy.
It advanced optimizes, the thixotropic agent in the step 1 is hydrophilic fumed silica, hydrophily bentonite, silicic acid
One or more of magnesium lithium.
It advanced optimizes, the fineness of Magnaglo is 20 ~ 50 μm in the step 1.
It advanced optimizes, the diameter of the bead in the step 1 is 0.4 ~ 1.0mm.
Advanced optimize, the dialdehyde in the step 2 be glutaraldehyde, o-phthalaldehyde, malonaldehyde, butanedial, oneself two
One or more of aldehyde.
It advanced optimizes, the Bronsted acid in the step 3 is formic acid, acetic acid, sulfuric acid, hydrochloric acid, nitric acid, tartaric acid, high chlorine
Acid, one of or it is several.
Advanced optimize, it is described Step 1: in step 2 and step 3 disperse scuffing of cylinder bore dispersion revolving speed be 500 ~
1000rpm。
Embodiment 1
Step 1: the preparation of first component: according to parts by weight, 5 parts of polyvinyl alcohol resin, deionization by material model for 1788
50 parts and 0.5 part of waterborne organic silicon defoaming agent of water are added to dispersion scuffing of cylinder bore high speed dispersion 8min, and dispersion revolving speed is 500rpm,
After polyvinyl alcohol resin be completely dissolved in deionized water afterwards addition fineness be 20 μm 15 parts of ferroso-ferric oxide and hydrophily gas
It 1 part of aerosil, is then added 30 parts of bead that diameter is 0.4mm and is sanded to said mixture fineness less than 80 μ
M is discharged with the strainer filtering of 100 mesh, spare；
Step 2: the preparation of second component: according to parts by weight, being added to dispersion for 0.5 part and 80 parts of deionized water of glutaraldehyde and draw
In cylinder revolving speed be 500rpm under the conditions of high speed dispersion, after being uniformly dispersed concentration be 0.5% dialdehyde aqueous solution, it is spare；
Step 3: the preparation of the third component: according to parts by weight, 5 parts and 80 parts of deionized water of formic acid being added in dispersion scuffing of cylinder bore
High speed dispersion under the conditions of revolving speed is 500rpm obtains the protonic acid aqueous solution that concentration is 5% after being uniformly dispersed, spare；
Step 4: first component, second component and the third component are both obtained the antifouling painting of hydrogel according to weight ratio 15:1:1 after mixing
Layer material.
Embodiment 2
Step 1: the preparation of first component: being the polyvinyl alcohol of 1799 and 2,088 two kind of mixing by material model according to parts by weight
0.8 part of 8 parts of resin, 70 parts of deionized water and aqueous polyethers defoaming agent are added to dispersion scuffing of cylinder bore high speed dispersion 10min, point
Dissipating revolving speed is 750rpm, after polyvinyl alcohol resin be completely dissolved in deionized water afterwards addition fineness be 35 μm of nickel-zinc ferrite
With two kinds of zinc chrome ferrite mix 35 parts of Magnaglo and 2 parts of hydrophilic fumed silica, then be added diameter be
35 parts of bead of 0.7mm are sanded to said mixture fineness less than 80 μm, are discharged with the strainer filtering of 100 mesh, spare；
Step 2: the preparation of second component: according to parts by weight, 1.4 parts of o-phthalaldehyde and 90 parts of deionized water being added to point
Dissipate scuffing of cylinder bore in revolving speed be 750rpm under the conditions of high speed dispersion, after being uniformly dispersed concentration be 1.4% dialdehyde aqueous solution, it is standby
With；
Step 3: the preparation of the third component: according to parts by weight, by acetic acid, hydrochloric acid and three kinds of nitric acid, 8 parts of mixing Bronsted acid and going
90 parts of ionized water are added in dispersion scuffing of cylinder bore high speed dispersion under the conditions of revolving speed is 750rpm, and it is 8% that concentration is obtained after being uniformly dispersed
Protonic acid aqueous solution, it is spare；
Step 4: first component, second component and the third component are both obtained the antifouling painting of hydrogel according to weight ratio 20:2:2 after mixing
Layer material.
Embodiment 3
Step 1: the preparation of first component: being the polyvinyl alcohol of 1799 and 2,088 two kind of mixing by material model according to parts by weight
10 parts of resin, 90 parts of deionized water and aqueous polyethers defoaming agent and two kinds of hydrophily bentonite 1 parts of defoaming agent mixed add
Enter to dispersion scuffing of cylinder bore high speed dispersion 12min, dispersion revolving speed be 1000rpm, to polyvinyl alcohol resin be dissolved completely in from
Addition fineness is mixed after in sub- water for 50 μm of 50 parts of iron cobalt nickel alloy and hydrophilic fumed silica and two kinds of lithium magnesium silicate
Then 2 parts of the thixotropic agent of conjunction is added 40 parts of bead that diameter is 1.0mm and is sanded to said mixture fineness less than 80 μ
M is discharged with the strainer filtering of 100 mesh, spare；
Step 2: the preparation of second component: according to parts by weight, by the two of o-phthalaldehyde, butanedial and three kinds of hexandial mixing
2 parts and 100 parts of deionized water of first aldehyde are added in dispersion scuffing of cylinder bore high speed dispersion under the conditions of revolving speed is 1000rpm, are uniformly dispersed
The dialdehyde aqueous solution that concentration is 2% is obtained afterwards, it is spare；
Step 3: the preparation of the third component: according to parts by weight, 10 parts of perchloric acid and 100 parts of deionized water being added to dispersion
In scuffing of cylinder bore revolving speed be 1000rpm under the conditions of high speed dispersion, after being uniformly dispersed concentration be 10% protonic acid aqueous solution, it is spare；
Step 4: by first component, second component and the third component according to weight ratio 25:3:3 after mixing both hydrogel it is antifouling
Coating material.
Embodiment 4
Hydrogel nonpolluting coating material prepared in embodiment 1 is put into cold by freeze drying box after being freezed 2 days in refrigerator
Freeze and be dried, drying time is 2 ~ 3 days, and brittle failure, metal spraying are carried out after taking-up, and obtained sample is passed through electron-microscope scanning (SEM)
Observation period cross-section morphology, specific cross-section morphology as shown in Figure 1, sample interior to be presented network structure crosslinked together, and can also
To find out that magnetic ferroferric oxide can be evenly distributed in polyvinyl alcohol resin aqueous solution, and hair less between particle
It is raw to reunite.
Embodiment 5
Using magnetic stirring apparatus as alternating magnetic field generating device, the alternating current by magnetic induction loop in control magnetic stirring apparatus is big
It is small to control alternating magnetic field intensity, it hydrogel nonpolluting coating material prepared by embodiment 1 is placed in alternating magnetic field environment, is adopted
It is analyzed with pattern of the 3 D video to coating surface, analysis result such as Fig. 2, Fig. 3, Fig. 4 do not apply alternating magnetic field respectively
Effect, weak alternating magnetic field intensity, medium alternating magnetic field strength condition magnetic hydrogel coating surface three dimension photo can from figure
With discovery, when not adding alternating magnetic field, coating surface is smooth, and when being placed in certain alternating magnetic field environment, coating surface is micro-
Pattern changes, and as alternating magnetic field intensity increases, Coating Surface Roughness increases, and longitudinal extension scale increases, explanation
The magnetic hydrogel coating invented can adjust Surface Microtexture structure according to the variation of alternating magnetic field intensity.
Embodiment 6
The algae for inhibiting attachment as indoor fouling organism using boat type algae, investigates alternating magnetic field environment to prepared by embodiment 1
Hydrogel nonpolluting coating material inhibit the influence of fouling organism attachment and desorption, using the three-dimensional micro- sem observation algae of the super depth of field
Adhesion condition is as shown in Figure 5 and Figure 6, and Fig. 5 and Fig. 6 are respectively magnetic hydrogel coating in no alternating magnetic field environment and have alternation magnetic
The photo for inhibiting boat type algae to grow under the environment of field, the test period 7 days.From figure it can be found that not alternating magnetic field environment
Under, the attachment of boat type algae is more serious, and the coating surface for applying alternating magnetic field adheres to without boat type algae substantially, inhibits adhesive rate can
Up to 90% or more, illustrate that invented magnetic hydrogel inhibits fouling organism to adhere under alternating magnetic field environment with excellent
Characteristic.
Main feature of the invention, application method, basic principle and advantages of the present invention has been shown and described above.This
Industry technology personnel are it should be appreciated that the present invention is not limited to the above embodiments, described in above-described embodiment and invention book only
It is invention the principle of the present invention, without departing from the spirit and scope of the present invention, the present invention can also have according to the actual situation
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
It is defined by the appending claims and its equivalent thereof.
Claims (10)
1. a kind of preparation method of electromagnetic drive type hydrogel nonpolluting coating material, which is characterized in that including following preparation step:
Step 1: the preparation of first component: according to parts by weight, by 5 ~ 10 parts of polyvinyl alcohol resin, 50 ~ 90 parts of deionized water and disappearing
0.5 ~ 1 part of infusion is added to dispersion scuffing of cylinder bore high speed and disperses 8 ~ 12min, is completely dissolved in deionized water to polyvinyl alcohol resin
Then 15 ~ 50 parts and 1 ~ 2 part of thixotropic agent of addition Magnaglo afterwards is added 30 ~ 40 parts of bead and is sanded to above-mentioned mixing
Object fineness is discharged less than 80 μm with the strainer filtering of 100 mesh, spare；
Step 2: the preparation of second component: according to parts by weight, 0.5 ~ 2 part and 80 ~ 100 parts of deionized water of dialdehyde being added to
Disperse the dispersion of scuffing of cylinder bore high speed, the dialdehyde aqueous solution that concentration is 0.5% ~ 2% is obtained after being uniformly dispersed, it is spare；
Step 3: the preparation of the third component: according to parts by weight, 5 ~ 10 parts of Bronsted acid and 80 ~ 100 parts of deionized water being added to point
The dispersion of scuffing of cylinder bore high speed is dissipated, the protonic acid aqueous solution that concentration is 5% ~ 10% is obtained after being uniformly dispersed, it is spare；
Step 4: by first component, second component and the third component according to 15 ~ 25:1 of weight ratio ~ 3:1 ~ 3 after mixing up to hydrogel
Nonpolluting coating material.
2. a kind of preparation method of electromagnetic drive type hydrogel nonpolluting coating material as described in claim 1, which is characterized in that institute
State polyvinyl alcohol resin in step 1 be material model 1788,1799,2088,2099,2399,2488,2499,2598,
One or more of 2699.
3. a kind of preparation method of electromagnetic drive type hydrogel nonpolluting coating material as described in claim 1, which is characterized in that institute
Stating the defoaming agent in step 1 is in waterborne organic silicon defoaming agent, aqueous polyethers defoaming agent, polyether-modified silicon defoaming agent etc.
It is one or more of.
4. a kind of preparation method of electromagnetic drive type hydrogel nonpolluting coating material as described in claim 1, which is characterized in that institute
Stating the Magnaglo in step 1 is magnetic ferroferric oxide, nickel powder, nickel-zinc ferrite, zinc chrome ferrite, nickel-copper ferrite, iron
One or more of magnetisable materials such as cobalt-nickel alloy.
5. a kind of preparation method of electromagnetic drive type hydrogel nonpolluting coating material as described in claim 1, which is characterized in that institute
Stating the thixotropic agent in step 1 is one or more of hydrophilic fumed silica, hydrophily bentonite, lithium magnesium silicate.
6. a kind of preparation method of electromagnetic drive type hydrogel nonpolluting coating material as described in claim 1, which is characterized in that institute
The fineness for stating Magnaglo in step 1 is 20 ~ 50 μm.
7. a kind of preparation method of electromagnetic drive type hydrogel nonpolluting coating material as described in claim 1, which is characterized in that institute
The diameter for stating the bead in step 1 is 0.4 ~ 1.0mm.
8. a kind of preparation method of electromagnetic drive type hydrogel nonpolluting coating material as described in claim 1, which is characterized in that institute
Stating the dialdehyde in step 2 is one or more of glutaraldehyde, o-phthalaldehyde, malonaldehyde, butanedial, hexandial.
9. a kind of preparation method of electromagnetic drive type hydrogel nonpolluting coating material as described in claim 1, which is characterized in that institute
Stating the Bronsted acid in step 3 is one of formic acid, acetic acid, sulfuric acid, hydrochloric acid, nitric acid, tartaric acid, perchloric acid or several.
10. a kind of preparation method of electromagnetic drive type hydrogel nonpolluting coating material as described in claim 1, which is characterized in that
It is described Step 1: in step 2 and step 3 disperse scuffing of cylinder bore dispersion revolving speed be 500 ~ 1000rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810580639.XA CN109206991A (en) | 2018-06-07 | 2018-06-07 | A kind of preparation method of electromagnetic drive type hydrogel nonpolluting coating material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810580639.XA CN109206991A (en) | 2018-06-07 | 2018-06-07 | A kind of preparation method of electromagnetic drive type hydrogel nonpolluting coating material |
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| CN110157258A (en) * | 2019-04-01 | 2019-08-23 | 中国船舶重工集团公司第七二五研究所 | A kind of piezoelectricity/electromagnetism combination drive nonpolluting coating material and preparation method thereof |
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Application publication date: 20190115 |