CN108587337A - A kind of environmentally-friendly water-based Rust-resisting coating - Google Patents
A kind of environmentally-friendly water-based Rust-resisting coating Download PDFInfo
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- CN108587337A CN108587337A CN201810371842.6A CN201810371842A CN108587337A CN 108587337 A CN108587337 A CN 108587337A CN 201810371842 A CN201810371842 A CN 201810371842A CN 108587337 A CN108587337 A CN 108587337A
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- C09D125/00—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 aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
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Abstract
The invention discloses a kind of environmentally-friendly water-based Rust-resisting coatings, belong to surface of metal product protection technology field.The present invention counts in parts by weight, 20~30 parts of styrene-acrylic emulsions are taken successively, 8~10 parts of polyvinyl alcohol liquid, 8~10 parts of organic siliconresins, 8~10 portions of modified starches, 8~10 parts of Arizona bacillis, 8~10 parts of bamboo vinegars, 3~5 parts of antifoaming agent, 3~5 parts of surfactants, 3~5 parts of thickeners, 10~20 parts of modification infusorial earths, 80~100 parts of deionized waters, by modified starch, Arizona bacilli, bamboo vinegar, antifoaming agent, surfactant, thickener, modification infusorial earth, deionized water is placed in 30~50min of ball mill ball milling mixing, then to addition styrene-acrylic emulsion and organic siliconresin ball milling mixing 40~60 in ball mill, cross the sieve of 80 mesh, up to environmentally-friendly water-based Rust-resisting coating.Environmentally-friendly water-based Rust-resisting coating provided by the invention has good rustless property.
Description
Technical field
The invention discloses a kind of environmentally-friendly water-based Rust-resisting coatings, belong to surface of metal product protection technology field.
Background technology
Rust resisting pigment used in traditional coating is mostly such as red lead, lead powder and zinc, barium, lead containing pigment such as chromium, lead, cadmiums
Chromate etc..The coating that these pigment are modulated into has good anticorrosive property, is effective rust resisting pigment.But this
A little pigment itself are toxic, pollute the environment in the production and use process and endanger health, strictly limit its use.Therefore it opens
Send out nontoxic, be less toxic, the rust resisting pigment and coating that Corrosion Protection is excellent have become a top priority, developed low toxicity phosphoric acid
The rust resisting pigments such as zinc, aluminum phosphate, zinc molybdate, line borate, but the coating prepared by these pigment, anticorrosive property are still undesirable.
All the time, there is the lead red alcohol acid antirust paint of excellent rust-proof effect in fields such as steel construction, industrial machinery, ships
Antirust, anti-corrosive occupy sizable proportion, but since red lead contains 97% or more lead orthoplumbate, high heavy metal
The content of lead causes huge hidden danger during manufacture, use, removing etc. are each to human and environment, and at the same time, red lead is close
Big bulge in price over 2 years also brings pressure to coating manufacturer, thus, searching is a kind of nontoxic and pollution-free, while in antirust
It can match in excellence or beauty with red lead in performance, and the new rust resisting pigment of reasonable price is imperative.
On rust paint saves the surface treatment procedures such as derusting, oil removing, water removal, can directly be applied on certain rusty surface
Work can both substantially reduce painting cost, can also greatly simplify enamelling process, to reduce labor intensity, reduce rust dirt to human body
Harm and environmental pollution.In recent years, high-performance, low stain waterborne rusted paint very active, the selected base of research
Material has acrylate and vinyl acetate emulsion, styrene-acrylic emulsion, pure-acrylic emulsion etc., but in practical applications, due to the limitation of its own structure, however it remains
Some shortcomings.In order to preferably promote the comprehensive performance of Rust-resisting coating, herein with organosilicon and acrylic ester copolymer,
It is made using esters of acrylic acid macromolecular as main chain, side chain is the organic-silicon-modified of the silane with alkoxy or hydroxyl or polysiloxanes
Acrylic resin waterborne rusted paint.The coating has and makes active corrosion deactivation, the effect of solidization, makes corrosion in stablizing shape
State can be simultaneously attached to each other well, to reach good anti-rust action.Therefore there is an urgent need to a kind of favorable rust preventing effect, environment friends
It is good, the water base Rust-resisting coating of subsequent handling performance is not influenced.
Invention content
The present invention solves the technical problem of：For the bad problem of traditional antirusting paint rustless property, provide
Environmentally-friendly water-based Rust-resisting coating.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of environmentally-friendly water-based Rust-resisting coating, is made of the raw material of following parts by weight：20~30 parts of styrene-acrylic emulsions, 8
~10 parts of polyvinyl alcohol liquid, 8~10 parts of organic siliconresins, 8~10 portions of modified starches, 8~10 parts of Arizona bacillis, 8~10 portions of bamboos
Vinegar liquid, 3~5 parts of antifoaming agent, 3~5 parts of surfactants, 3~5 parts of thickeners, 10~20 parts of modification infusorial earths, 80~100 parts
Deionized water；
The preparation process of the environmentally-friendly water-based Rust-resisting coating is：Each raw material is weighed by raw material composition, by polyvinyl alcohol liquid,
Modified starch, Arizona bacilli, bamboo vinegar, antifoaming agent, surfactant, thickener, modification infusorial earth, deionized water ball milling are mixed
It closes, styrene-acrylic emulsion and organic siliconresin ball milling mixing is then added, be sieved to get environmentally-friendly water-based Rust-resisting coating.
The organic siliconresin is methyl trichlorosilane, any one in dimethyldichlorosilane or phenyl trichlorosilane
Kind.
The preparation process of the modified starch is：Chloro- 2 hydroxypropyl-trimethyl ammonium chlorides of 3- and sodium hydroxide solution are pressed into matter
Measure ratio 1：1~1：2 are stirred, and obtain mixed liquor；By CPC 3005X and water in mass ratio 1：10~1：15 mixing, are added dropwise hydrogen
Sodium hydroxide solution adjusts pH, and the mixed liquor of 0.4~0.5 times of CPC 3005X quality is added while stirring, after being stirred to react, drop
Add salt acid for adjusting pH to neutrality, filter, wash, dry, grinding is sieved to get modified starch.
The antifoaming agent is silicone emulsion, any one in dimethyl silicone polymer or polyoxyethylene oxygen propyl alcohol amidogen ether.
The surfactant is fatty alcohol polyoxyethylene ether, and alkyl phenol polyoxyethylene ether, alkylolamides or alkyl are poly-
Any one in glucoside.
The thickener is methylcellulose, any one in hydroxypropyl cellulose or hydroxyethyl cellulose.
The preparation process of the modification infusorial earth is：By diatomite and butyl titanate in mass ratio 1：30~1：50 mixing
Ultrasound is impregnated, filtering, obtains pretreatment diatomite, then will pretreatment diatomite and paraffin in mass ratio 1：5~1：10 mixing and ball millings,
Sieving is to get modification infusorial earth.
The beneficial effects of the invention are as follows：
The present invention is by adding modification infusorial earth and modified starch, and in use, paraffin is heated to be melted so that internal silicon
Diatomaceous earth exposes, and internal butyl titanate is oozed out, and is reacted with the water in system, the nano-titanium dioxide of production, due to
Nano-titanium dioxide surface is negatively charged, can be combined with modified starch molecule one end cation group, and modified starch molecule is another
The anion of one end is combined with the iron ion of steel surface so that nano-titanium dioxide is good to be dispersed in system, nanometer two
The introducing of titanium oxide reduces capillarity, increases film to greatly improve the consistency of carrier bulk filling
Consistency reduces the permeability of film, can effectively obstruct the erosion to steel surface such as hydrone, chlorion, oxygen,
To improve the antiseptic property of film.
Specific implementation mode
By polyvinyl alcohol and water in mass ratio 1：50~1：100 are added in single-necked flasks, 20 are stirred with glass bar~
After 30min, stand 3~4h of swelling, then single-necked flask immigration digital display is tested the speed constant temperature blender with magnetic force, in temperature be 90~95
DEG C, under the conditions of rotating speed is 400~500r/min, heating stirring dissolves 40~50min to get polyvinyl alcohol liquid；By chloro- 2 hydroxyls of 3-
The sodium hydroxide solution in mass ratio 1 that hydroxypropyltrimonium chloride is 20~30% with mass fraction：1~1：2 are placed in No. 1 beaker
In, under the conditions of rotating speed is 300~500r/min, it is stirred 40~60min, obtains mixed liquor；By CPC 3005X and water
In mass ratio 1：10~1：15 are placed in No. 2 beakers, under the conditions of rotating speed is 300~500r/min, it is stirred 30~
50min, then with rubber head dropper is added dropwise into No. 2 beakers mass fraction be 10~20% sodium hydroxide solution adjusting pH to
11.1~11.3, then under the conditions of rotating speed is 300~500r/min, be added while stirring CPC 3005X quality 0.4~
0.5 times of mixed liquor after being stirred to react 1~2h, then the salt that mass fraction is 8~10% is added dropwise with rubber head dropper into No. 2 beakers
Acid for adjusting pH obtains mixed slurry, then filters mixed slurry to neutrality, obtains filter cake, then it is 20 that filter cake, which is spent mass fraction,
~30% ethyl alcohol washs 5~8 times, then the filter cake after washing is placed in drying in vacuum freezing drying oven, obtains dry cake, with
Dry cake is placed in mortar afterwards after grinding 10~20min, crosses the sieve of 100 mesh to get modified starch；By diatomite and metatitanic acid
Four butyl esters in mass ratio 1：30~1：50 are placed in No. 3 beakers, and No. 3 beakers are placed in ultrasonic disperse instrument, in supersonic frequency
It under the conditions of 55~75kHz, mixes ultrasound and impregnates 40~60min, obtain dispersion liquid, subsequent dispersion liquid filtering must pre-process diatom
Soil, then will pretreatment diatomite and paraffin in mass ratio 1：5~1：10 are placed in mixing and ball milling in ball mill, cross the sieve of 80 mesh, i.e.,
Obtain modification infusorial earth；It counts in parts by weight, takes 20~30 parts of styrene-acrylic emulsions successively, 8~10 parts of polyvinyl alcohol liquid, 8~10 parts have
Machine silicones, 8~10 portions of modified starches, 8~10 parts of Arizona bacillis, 8~10 parts of bamboo vinegars, 3~5 parts of antifoaming agent, 3~5 parts of tables
Face activating agent, 3~5 parts of thickeners, 10~20 parts of modification infusorial earths, 80~100 parts of deionized waters, by modified starch, phosphorous acid
Calcium, bamboo vinegar, antifoaming agent, surfactant, thickener, modification infusorial earth, deionized water be placed in ball mill ball milling mixing 30~
50min, then to styrene-acrylic emulsion and organic siliconresin 40~60min of ball milling mixing are added in ball mill, cross the sieve of 80 mesh to get
Environmentally-friendly water-based Rust-resisting coating.The organic siliconresin is methyl trichlorosilane, dimethyldichlorosilane or phenyl trichlorine
Any one in silane.The antifoaming agent is silicone emulsion, in dimethyl silicone polymer or polyoxyethylene oxygen propyl alcohol amidogen ether
Any one.The surfactant is fatty alcohol polyoxyethylene ether, and alkyl phenol polyoxyethylene ether, alkylolamides or alkyl are poly-
Any one in glucoside.The thickener is methylcellulose, appointing in hydroxypropyl cellulose or hydroxyethyl cellulose
Meaning is a kind of.
Example 1
By polyvinyl alcohol and water in mass ratio 1：80 are added in single-necked flask, after being stirred 30min with glass bar, stand swelling
4h, then single-necked flask immigration digital display is tested the speed constant temperature blender with magnetic force, in temperature be 95 DEG C, under the conditions of rotating speed is 500r/min,
Heating stirring dissolves 50min to get polyvinyl alcohol liquid；It is 20% by chloro- 2 hydroxypropyl-trimethyl ammonium chlorides of 3- and mass fraction
Sodium hydroxide solution in mass ratio 1：1 is placed in No. 1 beaker, under the conditions of rotating speed is 500r/min, is stirred 60min, obtains
Mixed liquor；By CPC 3005X and water in mass ratio 1：10 are placed in No. 2 beakers, under the conditions of rotating speed is 500r/min, stir
Mix mixing 50min, then with rubber head dropper is added dropwise into No. 2 beakers mass fraction be 20% sodium hydroxide solution adjusting pH to
11.1, then under the conditions of rotating speed is 400r/min, the mixed liquor of 0.5 times of CPC 3005X quality is added while stirring, stirs
After mixing reaction 2h, then be added dropwise into No. 2 beakers with rubber head dropper mass fraction for 9% salt acid for adjusting pH to neutrality, obtain mixing slurry
Material, then filters mixed slurry, obtains filter cake, then filter cake is spent the ethyl alcohol that mass fraction is 30% and is washed 8 times, then will washing
Filter cake afterwards is placed in drying in vacuum freezing drying oven, obtains dry cake, then dry cake is placed in mortar and grinds 20min
Afterwards, the sieve of 100 mesh is crossed to get modified starch；By diatomite and butyl titanate in mass ratio 1：40 are placed in No. 3 beakers, and
No. 3 beakers are placed in ultrasonic disperse instrument, under the conditions of supersonic frequency is 65kHz, ultrasound is mixed and impregnates 60min, obtain dispersion liquid,
Subsequent dispersion liquid filtering obtains pretreatment diatomite, then will pretreatment diatomite and paraffin in mass ratio 1：10 are placed in ball mill
Mixing and ball milling crosses the sieve of 80 mesh to get modification infusorial earth；It counts in parts by weight, takes 30 parts of styrene-acrylic emulsions, 10 parts of polyethylene successively
Alcohol liquid, 10 parts of organic siliconresins, 10 portions of modified starches, 10 parts of Arizona bacillis, 10 parts of bamboo vinegars, 5 parts of antifoaming agent, 5 parts of surfaces are lived
Property agent, 5 parts of thickeners, 20 parts of modification infusorial earths, 100 parts of deionized waters, by modified starch, Arizona bacilli, bamboo vinegar, defoaming
Agent, surfactant, thickener, modification infusorial earth, deionized water is placed in ball mill ball milling mixing 30min, then to ball mill
Middle addition styrene-acrylic emulsion and organic siliconresin ball milling mixing 50min cross the sieve of 80 mesh and are applied to get environment-friendly type water base band rust antirust
Material.The organic siliconresin is methyl trichlorosilane.The antifoaming agent is silicone emulsion.The surfactant is poly alkyl alcohol
Ethylene oxide ether.The thickener is methylcellulose.
Example 2
By polyvinyl alcohol and water in mass ratio 1：80 are added in single-necked flask, after being stirred 30min with glass bar, stand swelling
4h, then single-necked flask immigration digital display is tested the speed constant temperature blender with magnetic force, in temperature be 95 DEG C, under the conditions of rotating speed is 500r/min,
Heating stirring dissolves 50min to get polyvinyl alcohol liquid；It is 20% by chloro- 2 hydroxypropyl-trimethyl ammonium chlorides of 3- and mass fraction
Sodium hydroxide solution in mass ratio 1：1 is placed in No. 1 beaker, under the conditions of rotating speed is 500r/min, is stirred 60min, obtains
Mixed liquor；By diatomite and butyl titanate in mass ratio 1：40 are placed in No. 3 beakers, and No. 3 beakers are placed in ultrasonic disperse
It in instrument, under the conditions of supersonic frequency is 65kHz, mixes ultrasound and impregnates 60min, obtain dispersion liquid, subsequent dispersion liquid filtering obtains pre- place
Diatomite is managed, then will pretreatment diatomite and paraffin in mass ratio 1：10 are placed in mixing and ball milling in ball mill, cross the sieve of 80 mesh, i.e.,
Obtain modification infusorial earth；It counts in parts by weight, takes 30 parts of styrene-acrylic emulsions successively, 10 parts of polyvinyl alcohol liquid, 10 parts of organic siliconresins, 10
Part Arizona bacilli, 10 parts of bamboo vinegars, 5 parts of antifoaming agent, 5 parts of surfactants, 5 parts of thickeners, 20 parts of modification infusorial earths, 100 parts
Deionized water, by Arizona bacilli, bamboo vinegar, antifoaming agent, surfactant, thickener, modification infusorial earth, deionized water is placed in ball
Grinding machine ball milling mixing 30min crosses 80 mesh then to styrene-acrylic emulsion and organic siliconresin ball milling mixing 50min are added in ball mill
Sieve to get environmentally-friendly water-based Rust-resisting coating.The organic siliconresin is methyl trichlorosilane.The antifoaming agent is emulsification
Silicone oil.The surfactant is fatty alcohol polyoxyethylene ether.The thickener is methylcellulose.
Example 3
By polyvinyl alcohol and water in mass ratio 1：80 are added in single-necked flask, after being stirred 30min with glass bar, stand swelling
4h, then single-necked flask immigration digital display is tested the speed constant temperature blender with magnetic force, in temperature be 95 DEG C, under the conditions of rotating speed is 500r/min,
Heating stirring dissolves 50min to get polyvinyl alcohol liquid；It is 20% by chloro- 2 hydroxypropyl-trimethyl ammonium chlorides of 3- and mass fraction
Sodium hydroxide solution in mass ratio 1：1 is placed in No. 1 beaker, under the conditions of rotating speed is 500r/min, is stirred 60min, obtains
Mixed liquor；By CPC 3005X and water in mass ratio 1：10 are placed in No. 2 beakers, under the conditions of rotating speed is 500r/min, stir
Mix mixing 50min, then with rubber head dropper is added dropwise into No. 2 beakers mass fraction be 20% sodium hydroxide solution adjusting pH to
11.1, then under the conditions of rotating speed is 400r/min, the mixed liquor of 0.5 times of CPC 3005X quality is added while stirring, stirs
After mixing reaction 2h, then be added dropwise into No. 2 beakers with rubber head dropper mass fraction for 9% salt acid for adjusting pH to neutrality, obtain mixing slurry
Material, then filters mixed slurry, obtains filter cake, then filter cake is spent the ethyl alcohol that mass fraction is 30% and is washed 8 times, then will washing
Filter cake afterwards is placed in drying in vacuum freezing drying oven, obtains dry cake, then dry cake is placed in mortar and grinds 20min
Afterwards, the sieve of 100 mesh is crossed to get modified starch；By diatomite and butyl titanate in mass ratio 1：40 are placed in No. 3 beakers, and
No. 3 beakers are placed in ultrasonic disperse instrument, under the conditions of supersonic frequency is 65kHz, ultrasound is mixed and impregnates 60min, obtain dispersion liquid,
Subsequent dispersion liquid filtering obtains pretreatment diatomite, then will pretreatment diatomite and paraffin in mass ratio 1：10 are placed in ball mill
Mixing and ball milling crosses the sieve of 80 mesh to get modification infusorial earth；It counts in parts by weight, takes 30 parts of styrene-acrylic emulsions, 10 parts of polyethylene successively
Alcohol liquid, 10 portions of modified starches, 10 parts of Arizona bacillis, 10 parts of bamboo vinegars, 5 parts of antifoaming agent, 5 parts of surfactants, 5 parts of thickeners,
20 parts of modification infusorial earths, 100 parts of deionized waters, by modified starch, Arizona bacilli, bamboo vinegar, antifoaming agent, surfactant, increasing
Thick dose, modification infusorial earth, deionized water is placed in ball mill ball milling mixing 30min, then to addition styrene-acrylic emulsion ball in ball mill
Mill mixing 50min, crosses the sieve of 80 mesh to get environmentally-friendly water-based Rust-resisting coating.The antifoaming agent is silicone emulsion.The table
Face activating agent is fatty alcohol polyoxyethylene ether.The thickener is methylcellulose.
Example 4
By polyvinyl alcohol and water in mass ratio 1：80 are added in single-necked flask, after being stirred 30min with glass bar, stand swelling
4h, then single-necked flask immigration digital display is tested the speed constant temperature blender with magnetic force, in temperature be 95 DEG C, under the conditions of rotating speed is 500r/min,
Heating stirring dissolves 50min to get polyvinyl alcohol liquid；It is 20% by chloro- 2 hydroxypropyl-trimethyl ammonium chlorides of 3- and mass fraction
Sodium hydroxide solution in mass ratio 1：1 is placed in No. 1 beaker, under the conditions of rotating speed is 500r/min, is stirred 60min, obtains
Mixed liquor；By CPC 3005X and water in mass ratio 1：10 are placed in No. 2 beakers, under the conditions of rotating speed is 500r/min, stir
Mix mixing 50min, then with rubber head dropper is added dropwise into No. 2 beakers mass fraction be 20% sodium hydroxide solution adjusting pH to
11.1, then under the conditions of rotating speed is 400r/min, the mixed liquor of 0.5 times of CPC 3005X quality is added while stirring, stirs
After mixing reaction 2h, then be added dropwise into No. 2 beakers with rubber head dropper mass fraction for 9% salt acid for adjusting pH to neutrality, obtain mixing slurry
Material, then filters mixed slurry, obtains filter cake, then filter cake is spent the ethyl alcohol that mass fraction is 30% and is washed 8 times, then will washing
Filter cake afterwards is placed in drying in vacuum freezing drying oven, obtains dry cake, then dry cake is placed in mortar and grinds 20min
Afterwards, the sieve of 100 mesh is crossed to get modified starch；It counts in parts by weight, takes 30 parts of styrene-acrylic emulsions successively, 10 parts of polyvinyl alcohol liquid, 10
Part organic siliconresin, 10 portions of modified starches, 10 parts of Arizona bacillis, 10 parts of bamboo vinegars, 5 parts of antifoaming agent, 5 parts of surfactants, 5 parts
Thickener, 100 parts of deionized waters, by modified starch, Arizona bacilli, bamboo vinegar, antifoaming agent, surfactant, thickener, go from
Sub- water is placed in ball mill ball milling mixing 30min, then to addition styrene-acrylic emulsion and organic siliconresin ball milling mixing in ball mill
50min crosses the sieve of 80 mesh to get environmentally-friendly water-based Rust-resisting coating.The organic siliconresin is methyl trichlorosilane.It is described
Antifoaming agent is silicone emulsion.The surfactant is fatty alcohol polyoxyethylene ether.The thickener is methylcellulose.
Example 5
By polyvinyl alcohol and water in mass ratio 1：80 are added in single-necked flask, after being stirred 30min with glass bar, stand swelling
4h, then single-necked flask immigration digital display is tested the speed constant temperature blender with magnetic force, in temperature be 95 DEG C, under the conditions of rotating speed is 500r/min,
Heating stirring dissolves 50min to get polyvinyl alcohol liquid；It is 20% by chloro- 2 hydroxypropyl-trimethyl ammonium chlorides of 3- and mass fraction
Sodium hydroxide solution in mass ratio 1：1 is placed in No. 1 beaker, under the conditions of rotating speed is 500r/min, is stirred 60min, obtains
Mixed liquor；By CPC 3005X and water in mass ratio 1：10 are placed in No. 2 beakers, under the conditions of rotating speed is 500r/min, stir
Mix mixing 50min, then with rubber head dropper is added dropwise into No. 2 beakers mass fraction be 20% sodium hydroxide solution adjusting pH to
11.1, then under the conditions of rotating speed is 400r/min, the mixed liquor of 0.5 times of CPC 3005X quality is added while stirring, stirs
After mixing reaction 2h, then be added dropwise into No. 2 beakers with rubber head dropper mass fraction for 9% salt acid for adjusting pH to neutrality, obtain mixing slurry
Material, then filters mixed slurry, obtains filter cake, then filter cake is spent the ethyl alcohol that mass fraction is 30% and is washed 8 times, then will washing
Filter cake afterwards is placed in drying in vacuum freezing drying oven, obtains dry cake, then dry cake is placed in mortar and grinds 20min
Afterwards, the sieve of 100 mesh is crossed to get modified starch；By diatomite and butyl titanate in mass ratio 1：40 are placed in No. 3 beakers, and
No. 3 beakers are placed in ultrasonic disperse instrument, under the conditions of supersonic frequency is 65kHz, ultrasound is mixed and impregnates 60min, obtain dispersion liquid,
Subsequent dispersion liquid filtering obtains pretreatment diatomite, then will pretreatment diatomite and paraffin in mass ratio 1：10 are placed in ball mill
Mixing and ball milling crosses the sieve of 80 mesh to get modification infusorial earth；It counts in parts by weight, takes 30 parts of styrene-acrylic emulsions, 10 parts of polyethylene successively
Alcohol liquid, 10 parts of organic siliconresins, 10 portions of modified starches, 10 parts of Arizona bacillis, 5 parts of antifoaming agent, 5 parts of surfactants, 5 parts of thickenings
Agent, 20 parts of modification infusorial earths, 100 parts of deionized waters, by modified starch, Arizona bacilli, antifoaming agent, surfactant, thickener,
Modification infusorial earth, deionized water are placed in ball mill ball milling mixing 30min, then to addition styrene-acrylic emulsion and organosilicon in ball mill
Resin ball milling mixing 50min crosses the sieve of 80 mesh to get environmentally-friendly water-based Rust-resisting coating.The organic siliconresin is methyl
Trichlorosilane.The antifoaming agent is silicone emulsion.The surfactant is fatty alcohol polyoxyethylene ether.The thickener is first
Base cellulose.
Comparative example：The aqueous rustproof coating of Shanghai new material Science and Technology Ltd. production.
1 to 5 gained antirusting paint of example and comparative example product are subjected to performance detection, specific detection method is as follows：
The Q450NQR1 steel plates for selecting 85mm × 160mm × 15mm, polish in advance with sand paper the thick and heavy iron rust of removing surface of steel plate and
Oxide skin impregnates oil stain with xylene solvent, then impregnates 10~15min of steel plate with 15%HCl, until corrosion and oxide skin
It completely removes, then rinses 1~3min with clean tap water；It is put into 2%Na2CO3Solution impregnates 3min, and taking-up is rushed with distilled water
It washes, until surface pH value is 6~7 qualified.The qualified steel plate of cleaning is put into deployed antirusting paint, is taken after impregnating 3min
Go out, is placed in the suspension under room temperature of corrosion-free atmosphere.
Salt spray resistance：Antirusting paint processing test plate (panel) salt spray resistance prepares antirust test plate (panel) by the above process, and dry 8h carries out salt fog examination
It tests.Antirust model is prepared, 2 alcohol acid primers, 75 μm of total thickness are sprayed after placing 3d.Salt spray test is carried out after paint film drying 7d.It will
Diagonally mark signature intersects cut to test plate (panel), exposes metal back layer, paraffin edge sealing is used in combination；Salt fog solution is 5%NaCl solution, pH
Value is 6.5~7.2, and spray amount is 2mL/ (80cm2H), continuous spraying, 35 DEG C of salt fog the temperature inside the box.
Salt spray resistance testing result is as shown in table 1：
Table 1：Performance detection table
By 1 testing result of table it is found that the environmentally-friendly water-based Rust-resisting coating of present invention gained has good rustless property.
Claims (7)
1. a kind of environmentally-friendly water-based Rust-resisting coating, it is characterised in that：It is made of the raw material of following parts by weight：20~30
Part styrene-acrylic emulsion, 8~10 parts of polyvinyl alcohol liquid, 8~10 parts of organic siliconresins, 8~10 portions of modified starches, 8~10 parts of phosphorous acid
Calcium, 8~10 parts of bamboo vinegars, 3~5 parts of antifoaming agent, 3~5 parts of surfactants, 3~5 parts of thickeners, 10~20 parts of modified diatoms
Soil, 80~100 parts of deionized waters；
The preparation process of the environmentally-friendly water-based Rust-resisting coating is：Each raw material is weighed by raw material composition, by polyvinyl alcohol liquid,
Modified starch, Arizona bacilli, bamboo vinegar, antifoaming agent, surfactant, thickener, modification infusorial earth, deionized water ball milling are mixed
It closes, styrene-acrylic emulsion and organic siliconresin ball milling mixing is then added, be sieved to get environmentally-friendly water-based Rust-resisting coating.
2. a kind of environmentally-friendly water-based Rust-resisting coating according to claim 1, it is characterised in that：The organic siliconresin is
Any one in methyl trichlorosilane, dimethyldichlorosilane or phenyl trichlorosilane.
3. a kind of environmentally-friendly water-based Rust-resisting coating according to claim 1, it is characterised in that：The system of the modified starch
It is for process：By chloro- 2 hydroxypropyl-trimethyl ammonium chlorides of 3- and sodium hydroxide solution in mass ratio 1：1~1：2 are stirred, and obtain
Mixed liquor；By CPC 3005X and water in mass ratio 1：10~1：15 mixing are added dropwise sodium hydroxide solution and adjust pH, side stirring
The mixed liquor of 0.4~0.5 times of CPC 3005X quality is added in side, and after being stirred to react, salt acid for adjusting pH is added dropwise to neutrality, mistake
Filter is washed, dry, and grinding is sieved to get modified starch.
4. a kind of environmentally-friendly water-based Rust-resisting coating according to claim 1, it is characterised in that：The antifoaming agent is emulsification
Any one in silicone oil, dimethyl silicone polymer or polyoxyethylene oxygen propyl alcohol amidogen ether.
5. a kind of environmentally-friendly water-based Rust-resisting coating according to claim 1, it is characterised in that：The surfactant is
Any one in fatty alcohol polyoxyethylene ether, alkyl phenol polyoxyethylene ether, alkylolamides or alkyl poly glucoside.
6. a kind of environmentally-friendly water-based Rust-resisting coating according to claim 1, it is characterised in that：The thickener is methyl
Any one in cellulose, hydroxypropyl cellulose or hydroxyethyl cellulose.
7. a kind of environmentally-friendly water-based Rust-resisting coating according to claim 1, it is characterised in that：The modification infusorial earth
Preparation process is：By diatomite and butyl titanate in mass ratio 1：30~1：50 mixing ultrasounds are impregnated, and filtering obtains pretreatment silicon
Diatomaceous earth, then will pretreatment diatomite and paraffin in mass ratio 1：5~1：10 mixing and ball millings are sieved to get modification infusorial earth.
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