CN102321413A - A kind of water-borne coatings that is used for the anti-rusty stain of metope and preparation method thereof - Google Patents
A kind of water-borne coatings that is used for the anti-rusty stain of metope and preparation method thereof Download PDFInfo
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- CN102321413A CN102321413A CN201110237084A CN201110237084A CN102321413A CN 102321413 A CN102321413 A CN 102321413A CN 201110237084 A CN201110237084 A CN 201110237084A CN 201110237084 A CN201110237084 A CN 201110237084A CN 102321413 A CN102321413 A CN 102321413A
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Abstract
The present invention discloses a kind of water-borne coatings that is used for the anti-rusty stain of metope, and said coating is made up of filmogen, film coalescence aid, pigment, stopping composition, solubility promoter, inhibiter, dispersion agent, skimmer, thickening material, pH regulator agent, mould inhibitor, sanitas and water.The invention also discloses the preparation method of this coating.The present invention is used for the water-borne coatings of the anti-rusty stain of metope, environmental protection, economy, and constructional method and common metope are identical with rubber-emulsion paint, and can prevent the generation of metope rust staining, reach its beautifying and decorating effect better; Be a kind ofly have excellent antirust, environmental protection, economic metope is used coating.
Description
Technical field
[0001] the present invention relates to a kind of water-borne coatings that is used for the anti-rusty stain of metope and preparation method thereof, relating to a kind of in particular is the metope rust-inhibiting paint and preparation method thereof of main film forming substance by interpolymer latex of polystyrene and acrylic ester.
Background technology
More feedback is arranged at present on the market,,, many rust stainings occur about behind metope brushing rubber-emulsion paint especially in southern humid area.The body of wall base material can roughly be divided into two kinds, and the one, putty layer, the putty powder that is used for the levelling function is of a great variety, and quality is very different; Shuanghui powder, talcum powder etc. all belong to mineral substance in its composition, wherein must be mingled with a large amount of metallic impurity, and are in the majority with iron rust impurity; The production unit of the small-sized manufacturer of part use is simultaneously safeguarded not in place; Be mingled with a large amount of iron rust impurity in the putty powder finished product that finally causes producing.The 2nd, old paint film, when old metope renovated, the iron nail on the metope was unprocessed, i.e. the brushing rubber-emulsion paint.Running into water when above base material is that the rubber-emulsion paint of dispersion medium promptly gets rusty, and rust spot is distributed on the whole paint film along with the moving of service tool, and finally causes a large amount of rust stainings to appear on the paint film, reduces greatly that it is ornamental.Especially at wet season, this phenomenon is even more serious.
When this phenomenon occurring, as the human consumer of non-specialty, first reaction promptly is, the quality of rubber-emulsion paint has problem, and if this class is lodged a complaint when dealing with improperly, can direct reputation and the interests that influence company.Solve this rust staining, be used for the rust-inhibiting paint on the metal, can stop the generation of this type rust staining through brushing; But the metal rust preventing lacquer normally is dispersion medium with the solvent, and prices are rather stiff simultaneously.
Summary of the invention
First purpose of the present invention is to provide a kind of metope rust-inhibiting paint, and it can defend to run into metope with the water in the rubber-emulsion paint component because of the iron rust impurity of body of wall well, and the rust staining that produces reaches good beautifying and decorating effect; Coating process and common metope are identical with rubber-emulsion paint.
Second purpose of the present invention is to provide a kind of preparation method of metope rust-inhibiting paint.
The 3rd purpose of the present invention is to solve the application of rubber-emulsion paint aspect body of wall base material generation rust staining.
First aspect of the present invention provides a kind of metope rust-inhibiting paint; Said metope rust-inhibiting paint is made up of filmogen, film coalescence aid, pigment, stopping composition, solubility promoter, inhibiter, coatings additive(s) and water; Coatings additive(s) is made up of dispersion agent, skimmer, thickening material, pH regulator agent, mould inhibitor, sanitas, and the weight part of said each moity of coating is following:
Filmogen: 20-60 weight part, said filmogen are selected from the acrylic emulsions of glass transition temperature between 10 ℃-30 ℃;
Film coalescence aid: 1-10 weight part, said film coalescence aid are the mixture and 2,2 of pentanedioic acid two (second-methyl-prop) ester, Succinic Acid two (second-methyl-prop) ester and two (second-methyl-propyl) adipic acid ester, 4-trimethylammonium-1, and the 3-pentanediol mono isobutyrate is composite; And said mixture and 2,2,4-trimethylammonium-1, the weight proportion of 3-pentanediol mono isobutyrate are 1: (0.5-1.5);
Pigment: 1-20 weight part, said pigment are rutile-type TIO2 and modified phosphate;
Inhibiter: 0.1-1 weight part; Said inhibiter is water-fast organic carboxyl acid salt compounds;
Stopping composition: 0-30 weight part;
Solubility promoter: 0-5 weight part;
Dispersion agent: 0-3 weight part;
Skimmer: 0-1 weight part;
Thickening material: 0-3 weight part;
PH regulator agent: 0-1 weight part;
Mould inhibitor: 0-1 weight part;
Sanitas: 0-1 weight part;
An amount of water.
In a preference, said an amount of water is meant that its viscosity adjustment with the metope rust-inhibiting paint arrives between (85-89) KU.
In a preference; Said film coalescence aid is the mixture and 2 of pentanedioic acid two (second-methyl-prop) ester, Succinic Acid two (second-methyl-prop) ester and two (second-methyl-propyl) adipic acid ester; 2; 4-trimethylammonium-1, the 3-pentanediol mono isobutyrate is composite, and tool hangs down characteristics such as smell, hydrolysis-stable, high boiling point, low toxicity, safety, acceptable biological degradation; Since better with the polymer phase capacitive, make the latex particle coalescence more complete, and sticking power, the water tolerance of therefore filming are better.
In an embodiment of the present invention, said acrylic emulsions is as filmogen, and said acrylic emulsions is the cinnamic acrylic ester emulsion that vinylbenzene and propenoate, Bing Xisuandingzhi copolyreaction obtain.
In an embodiment of the present invention, the glass transition temperature of said acrylic emulsions is between 10 ℃-30 ℃.
In an embodiment of the present invention, said pigment is respectively rutile-type TIO2 and modified phosphate.
In an embodiment of the present invention, said inhibiter is water-fast organic carboxyl acid salt compounds.
In an embodiment of the present invention, said stopping composition is respectively natural whiting and hydrated aluminium silicate.
In an embodiment of the present invention, the solubility promoter that is adopted is 1, the 2-Ucar 35.
In an embodiment of the present invention, the dispersion agent that is adopted is polycarboxylate sodium's type dispersion agent.
In an embodiment of the present invention, the skimmer that is adopted is the mixture of water drain silica and MO.
In an embodiment of the present invention, the thickening material that is adopted is the saline and alkaline swelling type latex composite compounding of the ROHM of water-soluble cellulose derivative and hydrophobically modified
In an embodiment of the present invention, the pH regulator agent of being adopted is a 2-amino-2-methyl-1-propanol; The mould inhibitor that is adopted is benzoglyoxaline Urethylane, N '-(3, the 4-dichlorophenyl)-N, N-dimethyl urea or its combination; The sanitas that is adopted is 1,2-benzisothiazole-3-1 and verivate thereof.
Second aspect of the present invention provides a kind of preparation method of metope rust-inhibiting paint of the present invention, through following each component is mixed, obtains said metope rust-inhibiting paint:
The weight part of said each moity of coating is following:
Filmogen: 20-60 weight part, said filmogen are selected from the acrylic emulsions of glass transition temperature between 10 ℃-30 ℃;
Film coalescence aid: 1-10 weight part, said film coalescence aid are the mixture and 2,2 of pentanedioic acid two (second-methyl-prop) ester, Succinic Acid two (second-methyl-prop) ester and two (second-methyl-propyl) adipic acid ester, 4-trimethylammonium-1, and the 3-pentanediol mono isobutyrate is composite; And said mixture and 2,2,4-trimethylammonium-1, the weight proportion of 3-pentanediol mono isobutyrate are 1: (0.5-1.5);
Pigment: the 1-20 weight part, said pigment is respectively rutile-type TIO2 and modified phosphate;
Inhibiter: 0.1-1 weight part; Said inhibiter is water-fast organic carboxyl acid salt compounds;
Stopping composition: 0-30 weight part;
Solubility promoter: 0-5 weight part;
Dispersion agent: 0-3 weight part;
Skimmer: 0-1 weight part;
Thickening material: 0-3 weight part;
PH regulator agent: 0-1 weight part;
Mould inhibitor: 0-1 weight part;
Sanitas: 0-1 weight part;
An amount of water.
In a preference, said metope rust-inhibiting paint carries out according to following production technique:
Water, dispersion agent, part skimmer are added material-compound tank successively, stir, slowly add the water soluble cellulose thickening material, stir 5min; Add pigment, stopping composition then, grind 10 ~ 20min at a high speed; To fineness, add solubility promoter, film coalescence aid stirring 5min successively; Add mould inhibitor, sanitas stirring 3min then successively; Add again after filmogen, skimmer stir; Regulate viscosity and pH value with PH regulator, thickening material respectively, regulate viscosity, add inhibiter at last, promptly obtain metope rust-inhibiting paint finished product to (85-89) KU.
The 3rd purpose of the present invention is to solve the application of rubber-emulsion paint aspect body of wall base material generation rust staining; Said rubber-emulsion paint is made filmogen with acrylic emulsions; And said acrylic emulsions is the cinnamic acrylic ester emulsion; Be by vinylbenzene and acrylate monomer, emulsifying agent, initiator etc., obtain through emulsion polymerization.It adopts special techniques such as self-crosslinking and pigment adsorption, makes emulsion have better parcel ability to pigment and stopping composition, improves itself and antirust activity pigment compatibility greatly, can reach base material sticking power and antiseptic property well.
Embodiment
The inventor is through constantly testing, studying; Make a kind of water-borne coatings that can be used for the anti-rust staining of metope; It can solve well that metal rust preventing lacquer constructing operation is loaded down with trivial details, not environmental protection, problem such as cost an arm and a leg; And avoided paint film because of the brushing oil-base paint too in smooth, and occur can't the brushing water-miscible paint problem; And solved rubber-emulsion paint and met the problem that iron rust promptly gets rusty.This product constructing operation is very simple, and is identical with the construction of generic latex lacquer.This product also has and body of wall base material sticking power preferably, and impervious alkalescence, anti-saltouing property, water tolerance, alkaline resistance properties are excellent; Before the brushing rubber-emulsion paint, brushing earlier is this product together, the generation that can stop rust staining fully, and, can be used as one priming paint and use because of all properties of its tool priming paint, the rubber-emulsion paint of brushing twice again finish paint gets final product, construct simple and easy and save time, laborsaving.It is the optimal selection of wall surfacing.
Technical conceive of the present invention is:
Press the rust inhibition mechanism of coating and distinguish, be broadly divided into four types: physical action rust-inhibiting paint, chemical action rust-inhibiting paint, electrochemical action rust-inhibiting paint and comprehensive action rust-inhibiting paint.Wherein one is the physics rust-inhibiting paint, mainly contains iron oxide red anticorrosive paint, iron mica rust-inhibiting paint, aluminium powder rust-inhibiting paint, glass flake rust-inhibiting paint etc.Such rust-inhibiting paint with chemistry or electrochemical reaction are not taken place basically by the metallic surface of application; Adopt water insoluble; The medium that is difficult for being corroded decomposes stable inert pigment and the filler of destructive chemical property, and coating itself is more stable, and coating structure is fine and close; Can reduce water, the penetration speed of oxygen and pair ion paint film or stop corrosive medium and the contacting of ground; The 2nd, chemical rust-inhibiting paint also is the principal item of rust-inhibiting paint, adopts the active pigment of number of chemical, relies on the character on chemical reaction change surface and the characteristic of resultant of reaction to reach antirust purpose; The 3rd, the electrochemistry rust-inhibiting paint, if the coating that is coated on the metal has the electropotential lower than metal, then when having the condition of galvanic corrosion, coating is an anode, metal is a negative electrode and not being corroded; The principal item of electrochemistry rust-inhibiting paint has epoxy zinc rich primer and aluminium powder rust-inhibiting paint, and the rust-proof effect of electro-chemical protection coating is fabulous, even under rigorous environment, also can keep antirust ability between longer-term without finish paint, but its cost is higher, and construction requirement is strict.
Comprehensive metope prevents rust staining with coating and belongs to slightly anticorrosion; The metope rust-inhibiting paint adopts the antirust mechanism of action of chemistry, through selecting the extremely low rust-stabilising pigment phosphoric acid salt of heavy metal content for use, can generate the insoluble tertiary iron phosphate that shields with the ferrous metal surface action, makes the iron surface passivation, meets the water non-corrosive.
Emulsion is the main film forming substance of water-borne coatings, and pigment and stopping composition are played cohesive action, makes powder firmly be coated in substrate surface equably, the quality of the quality decision film performance of emulsion property; Emulsion is selected a kind of polymkeric substance that adopts special techniques such as self-crosslinking and pigment adsorption for use; It has good parcel ability to pigment and stopping composition; Improve itself and antirust activity pigment compatibility greatly; Prevent that reactive pigment from oozing out from coating, simultaneously, can give coating good adhesive and antiseptic property because the styrene emulsion of acrylic ester copolymer modification has fine grain size, perviousness strong.
Water-borne coatings is coated in the metallic surface, and the film forming initial stage, corrosion took place easily, so must add inhibiter; Normally used inhibiter has Sodium Nitrite, though can prevent early stage corrosion, films owing to its strong water-soluble remains in; Greatly influence the resistance to salt water of filming, this is disadvantageous for the construction substrate that has salt to separate out, also not environmental protection simultaneously; This product is selected a kind of water-fast organic carboxyl acid salt compounds for use, does not contain nitrite fully, both environmental protection and do not influence the resistance to salt water of paint film; Product stability is good, and the rust-preventing characteristic of paint film is improved a lot.
Below each raw material of the present invention is detailed: specify like nothing, various raw materials of the present invention all can obtain through commercially available; Or prepare according to the ordinary method of this area.Only if definition or explanation are arranged in addition, the same meaning that all specialties used herein and scientific words and those skilled in the art are familiar with.Any in addition with the institute similar content of putting down in writing or the equalization method and material all can be applicable in the inventive method.
Metope rust-inhibiting paint of the present invention is made up of filmogen, film coalescence aid, pigment, stopping composition, solubility promoter, inhibiter, coatings additive(s) and water, and coatings additive(s) is made up of dispersion agent, skimmer, thickening material, pH regulator agent, mould inhibitor, sanitas,
The weight part of said each moity of coating is following:
Filmogen: 20-60 weight part, said filmogen are selected from the acrylic emulsions of glass transition temperature between 10 ℃-30 ℃;
Film coalescence aid: 1-10 weight part, said film coalescence aid are the mixture and 2,2 of pentanedioic acid two (second-methyl-prop) ester, Succinic Acid two (second-methyl-prop) ester and two (second-methyl-propyl) adipic acid ester, 4-trimethylammonium-1, and the 3-pentanediol mono isobutyrate is composite; And said mixture and 2,2,4-trimethylammonium-1, the weight proportion of 3-pentanediol mono isobutyrate are 1: (0.5-1.5);
Pigment: the 1-20 weight part, said pigment is respectively rutile-type TIO2 and modified phosphate;
Inhibiter: 0.1-1 weight part, said inhibiter are water-fast organic carboxyl acid salt compounds;
Stopping composition: 0-30 weight part;
Solubility promoter: 0-5 weight part;
Dispersion agent: 0-3 weight part;
Skimmer: 0-1 weight part;
Thickening material: 0-3 weight part;
PH regulator agent: 0-1 weight part;
Mould inhibitor: 0-1 weight part;
Sanitas: 0-1 weight part;
An amount of water.
Filmogen
In order to solve the problem of rubber-emulsion paint and metope rust staining.The inventor finds, through selecting a kind of brand-new AVANSE that adopts for use
TMTechnology synthetic interpolymer latex of polystyrene and acrylic ester; Compare with the conventional acrylic emulsion; This new technology makes polymkeric substance have more good parcel ability to pigment and stopping composition; Thereby strengthen the bonding force between powder and the polymkeric substance greatly, especially some antirust activity pigment make the whole prod system reach good preservative property and formulation stability.This emulsion adopts hydrophobic monomer, hydrophobic surfactant to synthesize, and has the self-crosslinking technology simultaneously concurrently, makes product form densification, hydrophobic coating.The excellent performance of this emulsion also shows the one side of its environmental protection, as not containing formaldehyde and APEO composition, satisfies the current even following environmental requirement.
Preferably, the glass transition temperature of said acrylic emulsions is between 10 ℃-30 ℃.Described acrylic emulsions can commercially availablely obtain; Perhaps prepare through above-mentioned technology, concrete example as, vinylbenzene and acrylate monomer, emulsifying agent, initiator etc. obtain through emulsion polymerization.
The not concrete restriction of the molecular weight of the styrene emulsion of described acrylic ester copolymer modification is as long as make glass transition temperature reach required 10 ℃-30 ℃.
The not concrete restriction of the copolymerization ratio of the styrene emulsion of described acrylic ester copolymer modification is as long as make glass transition temperature reach required 10 ℃-30 ℃.
Film coalescence aid
The not concrete restriction of film coalescence aid of the present invention can be adopted the commercially available various auxiliary agents that are applicable to acrylic coating, and this is known to those skilled in the art.
The present invention provides the preferred example of film coalescence aid; Also promptly the film coalescence aid in prescription is the mixture and 2 of pentanedioic acid two (second-methyl-prop) ester, Succinic Acid two (second-methyl-prop) ester and two (second-methyl-propyl) adipic acid ester; 2,4-trimethylammonium-1, the 3-pentanediol mono isobutyrate is composite; And said mixture and 2,2,4-trimethylammonium-1, the weight proportion of 3-pentanediol mono isobutyrate are 1: (0.5-1.5); Can reach the object of the invention better during use.
Rubber-emulsion paint has only at a certain temperature could film coalescence, and this can form continuously and desirable minimum temperature of filming is called minimum film-forming temperature (MFT).If be lower than the construction of this temperature, then in the rubber-emulsion paint behind the moisture evaporation, latex particle can not be agglomerated into successive and film, but is discontinuous film Powdered or the cracking shape.The various performances of at this moment filming such as sticking power property is poor, with serious decline such as the cohesive force difference of pigment.The film forming of rubber-emulsion paint can be divided into moisture evaporation, emulsion particle distortion and latex molecule segment diffusion winding and be fused into continuous three steps of film; For guaranteeing that emulsion particle well is out of shape; Inclusion pigment and stopping composition form continuous, fine and close paint film better, often will add film coalescence aid.
In order to reduce MFT, reach the balance between high-performance and the low construction temperature.For guaranteeing the final high-performance of paint film, so require film coalescence aid that following characteristics are arranged: the one, should be the strong solvent of polymkeric substance, thereby can reduce the second-order transition temperature of polymkeric substance, and have good consistency, otherwise can influence paint film appearance.The 2nd, the solubleness in water is low, and being prone to is had good coalescence performance by emulsion particle absorption, and faint is water-soluble, easily by other component institute emulsifications of rubber-emulsion paint.And, in film process, can not be pulled away with moisture evaporation owing to its low water solubility.The 3rd, should have suitable evaporation rate, before film forming, be retained among the polymkeric substance, can vapor away fully after the film forming.
Can be a lot of as the organic solvent of film coalescence aid.Film coalescence aid when adopting, will be at first in water and polymer phase (organic phase) distribute, its is brought into play film forming usefulness and depends at two partition ratios in mutually, depends on the plasticising usefulness of this auxiliary agent, also depends on its evaporation rate.Film coalescence aid can be regarded the internal plasticization comonomer of polymkeric substance as, and the second-order transition temperature of film coalescence aid can be used to judge its plasticity to polymkeric substance; The contriver selects according to the rate of volatilization of various film coalescence aid, the SP of polymer emulsion, the indexs such as partition ratio of film coalescence aid; Wherein film coalescence aid is selected the mixture and 2 of pentanedioic acid two (second-methyl-prop) ester, Succinic Acid two (second-methyl-prop) ester and two (second-methyl-propyl) adipic acid ester for use; 2; 4-trimethylammonium-1, the 3-pentanediol mono isobutyrate is composite; And said mixture and 2,2,4-trimethylammonium-1, the weight proportion of 3-pentanediol mono isobutyrate are 1: (0.5-1.5); The SP that can reach well with this polymer emulsion is close, and lower rate of volatilization and low water solubility are arranged.So in prescription, select it as film coalescence aid.For guaranteeing film-forming properties preferably,, its consumption is controlled at 1-10 weight part (or 1-10%) according to the emulsion consumption.
Pigment
The not concrete restriction of pigment of the present invention can be adopted the commercially available various pigment that are applicable to water-borne coatings, and this is known to those skilled in the art.
In an embodiment of the present invention, the hiding pigment that is adopted is that specific refractory power is big, resistance to chalking, chemicalstability, light stability rutile-type TIO2 preferably; The rust-stabilising pigment that is adopted is a modified phosphate; Its mechanism of action is, generates the shielding deposition in the positive column, corrodes and makes steel surface produce local anode and negative electrode because breakage is coated with on the film location early period of origination; Local anodic iron begins dissolving; Ferrous salt that is dissolved out and molysite generation hydrolysis, the proton that discharges just produce phosphoric acid and zine ion with the zn phosphate effect, and the effect of cathodic inhibitor is so just arranged; Phosphoric acid then generates the insoluble tertiary iron phosphate that shields with the metallic surface effect, and reaction mechanism is following:
Zn phosphate is a kind of colourless, nontoxic rust-stabilising pigment with good stability, and heavy metal content is extremely low, has been put in the national security standard.The particle diameter of common zn phosphate is approximately 12
~20um is the brick shape, and rustless property is not very desirable; For improving the rust-proof effect of zn phosphate, it is carried out chemistry improve processing, increase the shielding deposition, improve its rustless property greatly.
Stopping composition
The not concrete restriction of stopping composition of the present invention can be adopted the commercially available various stopping composition that are applicable to water-borne coatings, and this is known to those skilled in the art.
In an embodiment of the present invention, the natural whiting that the stopping composition that is adopted is respectively is low-cost, physical strength is high, wear resistance is good, and can improve the dry film opacifying power, improve suspension, hydrated aluminium silicate that hardness of film is high.
Solubility promoter
The not concrete restriction of solubility promoter of the present invention can be adopted the commercially available various solubility promoters that are applicable to acrylic coating, and this is known to those skilled in the art.
In an embodiment of the present invention, the solubility promoter that is adopted is 1, the 2-Ucar 35.
In a preference, said solubility promoter is selected from Ucar 35.
With water is the water-borne coatings of dispersion medium, antifreeze being inevitable; When envrionment temperature below 0 ℃ the time; Will freeze; At this moment raw materials such as emulsion, dispersion agent, wetting agent, thickening material, pigment and stopping composition in the rubber-emulsion paint component; Because of losing this maximum of water, best stable environment, occur phenomenons such as serious back thickening, serious layering, breakdown of emulsion, gel then, thereby have influence on the quality of rubber-emulsion paint.Therefore to add solubility promoter, to reduce the freezing point of rubber-emulsion paint.Usually solubility promoter has Ucar 35, terepthaloyl moietie and glycol ethers, considers to select Ucar 35 the prescription from environmental angle.
The weight part of said solubility promoter is decided according to the requirement of rubber-emulsion paint low-temperature stability, can add the 0-5 weight part usually.More preferably, 0.1～5 weight part.
Inhibiter
Water-borne coatings is coated in the metallic surface, and the film forming initial stage, corrosion took place easily, so must add inhibiter; The corrosion process of metal in medium is made up of two conjugated electrochemical reactions, and these two electrochemical reactions are respectively anodic reaction and cathodic reaction; Can both suppress and inhibiter can suppress in anode, the cathodic reaction one or two, just can reduce corrosion speed; So inhibiter is claimed corrosion inhibitor again.
Inhibiter generally is divided into oxidized form, deposition membranous type, metallic cation type and organic cpds class.
Oxidized form inhibiter such as chromic salt, nitrite, molybdate and tungstate etc., they itself are oxygenants or make oxygenant with the dissolved oxygen in the medium, can make the metallic surface form the close r-Fe that makes a speech
2O
3Protective membrane, the thickness of this layer protective membrane is 5
~Between the 10nm, cause the metals ion process to be obstructed, thereby slow down corrosion of metal.For chromic salt and nitrite, because toxicity is bigger, superseded basically in many coating at present; And, owing to itself do not have an oxidisability, when then must aerobic in the medium existing, just corrosion inhibition can be arranged for molybdate and tungstate.
The deposition membranous type, they can with the relevant ionic reaction in the medium, and the cathodic area on the metallic surface form to suppress the corrosive precipitation membrane, and is covered in cathode surface, and metal and corrosive medium are separated; Therefore can be divided into two types on negative electrode inhibition type and Mixed Inhibition type again.Negative electrode inhibition type inhibiter such as zinc sulfate, Calcium hydrogen carbonate, phosphoric acid salt etc.; Mostly Mixed Inhibition type inhibiter is organism, and this type inhibiter is interacted by the metals ion that generates in the complexing agent of the sulphur on the molecule, oxygen, nitrogen-atoms group and the corrosion process and forms precipitation membrane.
The metallic cation type mainly contains zinc powder, and its inhibition mechanism is to set up an electrochemical cell, make iron and steel on the basis of zinc anode, become negative electrode, but zinc powder will reach 85% of whole solids constituent
~95% just can provide necessary electroconductibility
The organic cpds class is called the absorption membranous type again, and it has good adsorption property to the metallic surface in corrosive medium, and they are adsorbed on the metallic surface, makes medium be difficult for preventing to corrode with metallic contact.This type inhibiter, its molecule should have good consistency with the resin in the coating, loss of adhesion because excessive inhibiter can cause.
Usually select the type and the consumption of inhibiter, it suppresses corrosive nature to need integrated survey, will drop to minimum simultaneously to the influence of coating.
Preferably, select organic cpds class inhibiter in this prescription; More preferably, the inhibiter that is adopted is water-fast organic carboxyl acid salt compounds, is used for coating and can significantly improves its anti-rust property of dodging: the 0.1-1 weight part.
Coatings additive(s)
Coatings additive(s) of the present invention is made up of dispersion agent, skimmer, thickening material, pH regulator agent, mould inhibitor, sanitas.
Dispersion agent
The dispersion of powder, wetting principle, the one, dispersant adsorption is in the powder particle, and the powder particle of cohesion is moistening; The 2nd, macromolecule dispersing agent is adsorbed on the powder particle surface, increases pigment and the interparticle surface charge of stopping composition, improves interparticle electrostatic repulsion, and has effectively increased interparticle sterically hinderedly, makes that the particle stabilized dispersion of powder becomes possibility in the liquid.Divide according to molecular structure, dispersion agent generally is divided into two big types: inorganic dispersant and organic dispersing agent.In the majority in the inorganic dispersant with the polyphosphoric acid salt, like Sodium hexametaphosphate 99, Potassium tripolyphosphate, sodium polyphosphate and TKPP.The mechanism of its effect is through hydrogen bond and chemisorption, plays the electrostatic repulsion stabilization.Its advantage is good to mineral dye and stopping composition dispersion effect, but with the rising of pH value and temperature, the easy hydrolysis of polyphosphoric acid salt, not good to extended storage stability.Organic dispersing agent comprises polyacrylate, PS/maleic acid salt, polyisobutene/maleic acid salt etc.Their characteristics are, produce strong absorption or anchorage effect on the powder surface, and it is sterically hindered to form to have long molecular chain, and the end of the chain has water-soluble, and what have also auxilliaryly has electrostatic repulsion, reaches stable result.
Organic dispersing agent is different because of its molecular weight, and performance can be different; Lower molecular weight type dispersion agent has the polar group that is close on one or more spaces; They are adsorbed on surface of pigments, are used for the stabilizing powder particle with spatial masking, thereby make viscosity degradation; This type dispersion agent is mainly used in mineral dye; Because of mineral dye is an ionic structure, higher surface polarity is arranged, dispersion agent is easy to absorption.And pigment dyestuff contains C, H, O group because of its surface, and no ionic activity so often use the high-molecular weight dispersion agent, has the more surface that group is adsorbed on pigment dyestuff of sticking, and it can form persistent adsorption layer on pigment dyestuff.But too Da Yi flocculation of the molecular weight of dispersion agent.So should select according to pigment and stopping composition type during the type of selection dispersion agent.
In an embodiment of the present invention, the dispersion agent that is adopted is a poly carboxylic acid sodium type dispersion agent.Reach rubber-emulsion paint system steady state according to dispersion agent best wet point to pigment and stopping composition in prescription, confirm its optimum amount.In this prescription, select the hydrophobically modified polycarboxylate of 0～3% (0～3 weight part) can reach best effects.More preferably, 0.1～3 weight part.
Skimmer
Coating by produce, canned, transportation, construction all have mechanical force to forming the whole process of paint film at last; Must a large amount of air be brought in the latex system, a large amount of foams can make the production operation difficulty, and plant factor is not enough; It is insufficient to cause pigment and stopping composition to disperse, even can't produce down.It is to stay many defectives to filming that a large amount of foams brings graver results in the time of can giving construction, like shrinkage cavity, and paint film disadvantages such as pin hole, crater.An effective skimmer acts on quite important in coating system.
Foam can be regarded as a quite a large amount of insoluble gas and is dispersed in the dispersion-s in the small amount of liquid, is under the effect of mechanical force, could to form.Foam is unsettled in itself, sometimes because the effect of the thermal motion of liquid own is enough to make it to vanish.It is generally acknowledged that froth breaking mechanism can be divided into following four processes: 1, skimmer is adsorbed onto the foamy surface; 2, skimmer is penetrated into the foamy surface; 3, skimmer spreads on foam surface, and the adsorption surface promoting agent; 4, foam tension imbalance-broken bubble.
Can be known that by froth breaking mechanism skimmer is the liquid of low surface tension, generally should have following characteristic: 1, the surface tension of skimmer is less than the surface tension that needs froth breaking liquid self; 2, the solubleness in needing the liquid of froth breaking is as far as possible little; 3, good dispersiveness to be arranged.4, can not react with the liquid of want froth breaking, can not influence the force of cohesion of pigment in the coating and the stability of emulsion.5, stronger diffusive force to be arranged.6, can not influence the performance of finished product rubber-emulsion paint.7, unpleasant odor can not be arranged.
In an embodiment of the present invention, the skimmer that is adopted is the mixture of water drain silica and MO.Consumption is the 0-1 weight part, preferred 0.1-1 weight part.
Thickening material
Coating and viscosity are closely related.It has a very important characteristic is exactly thixotropy.Thixotropic being characterised in that has when static certain very weak reticulated structure to form, and forms physical crosslinking like the hydrogen bond between polymkeric substance; With the pigment particles is that bridge all shows as thickening by " crosslinked " that its polar adsorption forms between the polymkeric substance.Viscosity and shearing force then show as thixotropy, have applied viscosity degradation after the shearing force, and promptly reticulated structure is destroyed; In case the shearing force of removing, reticulated structure progressively recovers, and viscosity rises again.It is a pseudo-plasticity phenomenon relevant with time and shearing force.When coating ideal state promptly is storage, higher viscosity is arranged to stablize whole system better; During coating application, need lower viscosity to obtain to construct preferably leveling characteristics.This thixotropy needs to rely on an ideal rheology thickened systems just can reach, it well this quiet one moving viscosity of balance change, thixotropy is preferably promptly arranged.
According to its mechanism of action, can be divided into four big types of cellulose family, polyacrylic and non-ionic associative type polyurethane thickening material and inorganic thickening agents.
Cellulose thickener has methylcellulose gum, CMC 99.5 (MC), Natvosol (HEC), Vltra tears (MHPC) etc., and that wherein the most frequently used is Natvosol (HEC).The thickening mechanism of cellulose thickener cellulose thickener is that hydrophobic main chain and ambient water molecule pass through hydrogen bond association, has improved the fluid volume of polymkeric substance itself, has reduced the free active of particle space, thereby has improved the system viscosity.The advantage of this type thickening material is that thickening efficiency is high, and shortcoming is that leveling characteristics is poor.
Polyacrylate thickeners can be divided into two kinds basically: a kind of is the homopolymer of water miscible acrylate, and its thickening mechanism is, meet in the alkali and after, carboxylic acid ion is transformed into carboxylate salt.The formation of carboxylate salt causes interior molecules to be repelled, and polymkeric substance is extended, and along polymer chain, water molecules is adsorbed, and increases the viscosity of water; Another kind is the homopolymer or the copolymer emulsion thickening material of vinylformic acid, methylacrylic acid; Its thickening mechanism is the hydrophilic chain of association type thickening and water association, and hydrophobic side and powder and latex particle association; Form reticulated structure at aqueous phase, thereby increase the viscosity of system.More than these two kinds of thickening materials itself be tart, must be neutralized to pH8～9 with alkali or ammoniacal liquor and just can reach thickening effectiveness, be also referred to as propylene soda acid swelling thickening material.The relative cellulose thickener of this thickening material can be given film better leveling characteristics and gloss.
The polyurethanes thickening material belongs to the associative thickener of non-ionic type, contains hydrophilic radical and hydrophobic grouping in the molecular structure of this type thickening material respectively, makes it demonstrate the character of certain tensio-active agent.When its concentration of aqueous solution surpasses a certain certain concentration, form micella, micella and polymer particle associate and form reticulated structure, and the system viscosity is increased.Several micellas of branch subband have on the other hand reduced the transport property of water molecules, and the water viscosity is also improved.This type thickening material not only exerts an influence to the rheological of coating, and and adjacent latex particle between exist and interact.The advantage of this type thickening is that good, anti-the splashing property of leveling characteristics of filming is good, and shortcoming is that single use causes the latex layering easily.
Inorganic thickening agent is one type of water-swelling and form thixotropic gel mineral.Mainly contain wilkinite, attapulgite, pure aluminium silicate etc., wherein wilkinite is the most commonly used.The inorganic thickening agent wilkinite is a kind of layered silicate, and the suction after forms flocculent substance, has good suspension and dispersiveness, is combined into colloid with an amount of water, in water, can discharge charged corpuscle, increases the system viscosity.
Usually two or more thickening materials mix use, can compensate the defective that single thickening material uses.So in practical application, tend to adopt two kinds or above thickening material collocation use, to reach an ideal rheology state
In an embodiment of the present invention, the thickening material that is adopted is the saline and alkaline swelling type emulsion of the ROHM of water-soluble cellulose derivative, hydrophobically modified.More preferably, the two composite use
The consumption of thickening material is controlled at 0～3 weight part for best, preferred 0.1～3 weight part.
The value regulator
The not concrete restriction of pH value regulator of the present invention, only otherwise goal of the invention of the present invention is produced restriction get final product, for example employing can be used for the pH regulator agent of acrylic coating.
In an embodiment of the present invention, the pH regulator agent of being adopted is a 2-amino-2-methyl-1-propanol.Its advantage is that the coating smell is more much smaller than ammoniacal liquor after regulating, and the rubber-emulsion paint pH value is stable; This is for the system that contains active rust-stabilising pigment, and the stable of pH value is even more important, and can help to stablize the rubber-emulsion paint system.Its amount is that 0～1 weight part is good in prescription.Preferred 0.1～1 weight part.
Mould inhibitor and sanitas
Anti-algae agent of mildew-resistant of the present invention and the not concrete restriction of sanitas produce to limit only otherwise to goal of the invention of the present invention and get final product.
In rubber-emulsion paint, derivatived cellulose and some auxiliary agent, the nutriment that all can become mikrobe, mould like emulsifying agent, skimmer etc. is originated.Coating is once microbial contamination, as long as growth conditions such as organism, humidity, oxygen, potential of hydrogen and temperature etc. are suitable, will ramp multiply, and the result causes coating rotten, smelly.This has just determined, in processes such as the production of water-borne coatings, storage, transportation, application, exists the serious problem that tackles mikrobe.Microbe species is various, and gram-negative bacteria is arranged usually, and especially large intestine produces oxygen Pseudomonas and Pseudomonas, and the Pseudomonas of different areas can be different.So require mould inhibitor to have broad spectrum, anti-various mikrobes, drug effect is high, for a long time active, simultaneously to human non-toxic.When the kind of the anti-algae agent of selection mildew-resistant, sanitas and consumption are higher than minimum inhibitory concentration MIC according to its active ingredient often, just can reach its effective provide protection.
In an embodiment of the present invention, the mould inhibitor that is adopted is benzoglyoxaline Urethylane, N '-(3, the 4-dichlorophenyl)-N, N-dimethyl urea or its combination.Water-soluble low, the good light stability of benzoglyoxaline Urethylane wherein, Heat stability is good, toxicity is low.And N '-(3, the 4-dichlorophenyl)-N, the N-dimethyl urea has good resistant function to algae substances.
In an embodiment of the present invention, the sanitas that is adopted is 1,2-benzisothiazole-3-1 and verivate thereof.It is release formaldehyde not, and is not halogen-containing, non-volatile, and good stability has thermally-stabilisedly, and ph stability can use in pH value scope widely, and chemicalstability is good, to had no corrosive effect on metals.
The consumption of mould inhibitor is 0～1 weight part, preferred 0.1～1 weight part.
The consumption of sanitas is 0～1 weight part, preferred 0.1～1 weight part.
Water
Said an amount of water is meant that its viscosity adjustment with the metope rust-inhibiting paint arrives required scope.In a preference, said an amount of water is meant that its viscosity adjustment with the metope rust-inhibiting paint arrives between (85-89) KU.
The preparation method
The preparation method of metope rust-inhibiting paint of the present invention comprises: through following each component is mixed, obtain said metope rust-inhibiting paint:
The weight part of said each moity of coating is following:
Filmogen: 20-60 weight part, said filmogen are selected from the acrylic emulsions of glass transition temperature between 10 ℃-30 ℃;
Film coalescence aid: 1-10 weight part, said film coalescence aid are the mixture and 2,2 of pentanedioic acid two (second-methyl-prop) ester, Succinic Acid two (second-methyl-prop) ester and two (second-methyl-propyl) adipic acid ester, 4-trimethylammonium-1, and the 3-pentanediol mono isobutyrate is composite; And said mixture and 2,2,4-trimethylammonium-1, the weight proportion of 3-pentanediol mono isobutyrate are 1: (0.5-1.5);
Pigment: the 1-20 weight part, said pigment is respectively rutile-type TIO2 and modified phosphate;
Inhibiter: 0.1-1 weight part; Said inhibiter is water-fast organic carboxyl acid salt compounds;
Stopping composition: 0-30 weight part;
Solubility promoter: 0-5 weight part;
Dispersion agent: 0-3 weight part;
Skimmer: 0-1 weight part;
Thickening material: 0-3 weight part;
PH regulator agent: 0-1 weight part;
Mould inhibitor: 0-1 weight part;
Sanitas: 0-1 weight part;
An amount of water.
In a preference, said metope rust-inhibiting paint carries out according to following production technique:
Water, dispersion agent, part skimmer are added material-compound tank successively, stir, slowly add the water soluble cellulose thickening material, stir 5min; Add pigment, stopping composition then, grind 10 ~ 20min at a high speed; To fineness, add solubility promoter, film coalescence aid stirring 5min successively; Add mould inhibitor, sanitas stirring 3min then successively; Add again after filmogen, skimmer stir; Regulate viscosity and pH value with PH regulator, thickening material respectively, regulate viscosity, add inhibiter at last, promptly obtain metope rust-inhibiting paint finished product to (85-89) KU.
In an embodiment of the present invention, metope rust-inhibiting paint of the present invention is processed by following weight percent component:
Filmogen: 20-60%;
Film coalescence aid: 1-10%;
Pigment: 1-20%;
Inhibiter: 0.1-1%;
Stopping composition: 0-30%;
Solubility promoter: 0-5%;
Dispersion agent: 0-3%;
Skimmer: 0-1%;
Thickening material: 0-3%;
PH regulator agent: 0-1%;
Mould inhibitor: 0-1%;
Sanitas: 0-1%;
Water: 0-25%.
Metope rust-inhibiting paint by above component and step are processed can be constructed according to following steps: at first with 240# sand paper putty or old paint film are polished, remove impurity such as surface floating ash, greasy dirt, with metope rust-inhibiting paint dilution 10
~After 20% water stirs, directly on putty or old paint film, brush.Constructional method can be decided according to field condition, can brush, roller coat also can spray; Brushing gets final product together; More serious like rusty stain, suggestion brushing twice.Construction technology is simple, and the workmen is not had particular requirement yet, and general painter gets final product.
Other aspects of the present invention are because the disclosure of this paper is conspicuous to those skilled in the art.
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.The experimental technique of unreceipted actual conditions in the following example is measured according to national standard usually.If there is not a corresponding national standards, then carry out according to general international standard, normal condition or according to the condition that manufacturer advises.Unless otherwise indicated, otherwise all umbers are weight part, and all per-cents are weight percentage, and described polymericular weight is a number-average molecular weight.
Only if definition or explanation are arranged in addition, the same meaning that all specialties used herein and scientific words and those skilled in the art are familiar with.Any in addition with the institute similar content of putting down in writing or the equalization method and material all can be applicable in the inventive method.
Press following standard testing material property:
" building inside and outside wall is with priming paint (building industry industry standard) JG/T210-2007 ".
Embodiment one:
The construction object:
The new building in Shenzhen, totally 10 20 layers of foreign-style houses, the developer purchases the putty powder of certain small-sized manufacturer production in September, 2009, and please painter's plaster, and after dry 2 days, brushing is common water-based inner wall priming paint together, the common water-based interior finish of twice; Behind the two weeks, finding that large-area rust staining appears in whole metope, smallpox, all fails to escape by luck in almost every cover house.This can't consign to the owner with the house on the one hand as scheduled for the developer, influences its reputation; On the other hand; As it is not only economical impaired to do over again again; And can address this problem fully after the construction again? Investigate on the spot through service technician, the source of pinpointing the problems is owing to contain a large amount of iron rust impurity in the putty powder that the developer uses, and a large amount of punctations just occurs after the drying of putty own; And for the painter, a pipe construction does not reflect problem; After iron rust is run into the moisture in the water-borne coatings, the aggravation of getting rusty, so that large-area rust staining appears.Unique solution is to do over again as early as possible, and scheme one is brushed the oiliness rust-proofing primer one, and cost height and smell are big, influences the developer and pays the house, and because the oiliness paint film is too smooth, also can directly influence the brushing aqueous finish paint; Scheme two is brushed one water-based metope rust-inhibiting paint as priming paint, the high covering power of brushing twice again aqueous finish paint, and the low and environmental protection of cost neither influences the owner and checks and accepts use, and can prevent that rust staining from forming once more.Therefore as aqueous, environmental protective, convenient, the excellent water-based metope rust-inhibiting paint of rustless property of application, and exterior wall is good with the impervious alkali of priming paint standard, anti-saltouing property, good sticking power, closure in meeting, and is the optimal selection of solution metope rust staining.
The coating preparation:
Select to use metope rust-inhibiting paint prescription to calculate with 10000Kg, earlier 2000Kg water is put into dispersion tank, rotating speed is controlled at 800-1000 rev/min; 50Kg dispersion agent, 10Kg skimmer are added material-compound tank successively, after stirring; Slowly add 30Kg water soluble cellulose thickening material, stirred 5 minutes; 3000Kg pigment and stopping composition are sequentially added into, and the centre is used 10Kg water flush pot limit respectively, and (rotating speed is controlled at 1300 rev/mins) ground 10 ~ 20min to fineness at a high speed; Adding 100Kg water then lowers the temperature; Add 100Kg solubility promoter and 200Kg film coalescence aid then, stirred 5 minutes; Add the 3500Kg filmogen again, stirred 3 minutes; Add 100Kg mould inhibitor and 10Kg sanitas then successively, stirred 3 minutes; Add the 40KgpH regulator then, disperseed 3 minutes; Add the 45Kg skimmer then, disperseed 5 minutes; Add 30Kg thickening material and 100Kg water at last and regulate viscosity, add the 100Kg inhibiter again, promptly process finished product after stirring to (85-89) KU.
Arrangement and method for construction
At first old paint film is polished, remove impurity such as surface floating ash, greasy dirt, with metope rust-inhibiting paint dilution 10 with 240# sand paper
~After 20% water stirs, directly brushing one on old paint film, the water-based metope finish paint of the high covering power of brushing twice again.Engineering was accomplished in the time less than two weeks.Save time, laborsaving, low smell, and forever cover in the rust staining of base material.The construction 2 years after, even 4, May wet weather, paint film is not still seen rust staining.
Embodiment two:
The construction object:
Large-scale residential quarters, Hong Kong need environment-friendly type, can suppress the interiro wall latex paint bottoming that the metope rust staining produces fully.
The coating preparation:
Select to use metope rust-inhibiting paint prescription to calculate with 15000Kg, earlier 3000Kg water is put into dispersion tank, rotating speed is controlled at 800-1000 rev/min; 75Kg dispersion agent, 15Kg skimmer are added material-compound tank successively, after stirring; Slowly add 45Kg water soluble cellulose thickening material, stirred 5 minutes; 4500Kg pigment and stopping composition are sequentially added into, and the centre is used 15Kg water flush pot limit respectively, and (rotating speed is controlled at 1300 rev/mins) ground 10 ~ 20min to fineness at a high speed; Adding 150Kg water then lowers the temperature; Add 150Kg solubility promoter and 300Kg film coalescence aid then, stirred 5 minutes; Add the 5250Kg filmogen again, stirred 3 minutes; Add 150Kg mould inhibitor and 15Kg sanitas then successively, stirred 3 minutes; Add the 60KgpH regulator then, disperseed 3 minutes; Add the 67.5Kg skimmer then, disperseed 5 minutes; Add 45Kg thickening material and 150Kg water at last and regulate viscosity, add the 150Kg inhibiter again, promptly process finished product after stirring to (85-89) KU.
Arrangement and method for construction
Brushing water-based metope rust-inhibiting paint can suppress the metope rust staining fully as priming paint and produce, and impervious alkalescence etc. can pass through standard JG/T 210-2007, and can reach and hang down VOC, Environmental Protection Level.
The index that the metope rust-inhibiting paint reaches is referring to performance embodiment.
Performance embodiment
Embodiments of the invention 1～2 product and building inside and outside wall are following with the contrast of priming paint (building industry industry standard) JG/T210-2007:
The above is merely preferred embodiment of the present invention; Be not in order to limit essence technology contents scope of the present invention; Essence technology contents of the present invention is broadly to be defined in the claim scope of application, and if any technological entity or method that other people accomplish are defined identical with the claim scope of application; Also or a kind of change of equivalence, all will be regarded as and be covered by among this claim scope.
All documents in that the present invention mentions are all quoted as a reference in this application, are just quoted such as a reference separately as each piece document.Should be understood that in addition that after having read foregoing of the present invention those skilled in the art can do various changes or modification to the present invention, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Claims (8)
1. one kind is used for the water-borne coatings that metope is prevented rusty stain; Said metope rust-inhibiting paint is made up of filmogen, film coalescence aid, pigment, stopping composition, solubility promoter, inhibiter, coatings additive(s) and water; Coatings additive(s) is made up of dispersion agent, skimmer, thickening material, pH regulator agent, mould inhibitor, sanitas
It is characterized in that the weight part of said each moity of coating is following:
Filmogen: 20-60 weight part, said filmogen are selected from the acrylic emulsions of glass transition temperature between 10 ℃-30 ℃;
Film coalescence aid: 1-10 weight part, said film coalescence aid are the mixture and 2,2 of pentanedioic acid two (second-methyl-prop) ester, Succinic Acid two (second-methyl-prop) ester and two (second-methyl-propyl) adipic acid ester, 4-trimethylammonium-1, and the 3-pentanediol mono isobutyrate is composite; And said mixture and 2,2,4-trimethylammonium-1, the weight proportion of 3-pentanediol mono isobutyrate are 1: (0.5-1.5);
Pigment: 1-20 weight part, said pigment are rutile-type TIO2 and modified phosphate;
Inhibiter: 0.1-1 weight part, said inhibiter are water-fast organic carboxyl acid salt compounds;
Stopping composition: 0-30 weight part;
Solubility promoter: 0-5 weight part;
Dispersion agent: 0-3 weight part;
Skimmer: 0-1 weight part;
Thickening material: 0-3 weight part;
PH regulator agent: 0-1 weight part;
Mould inhibitor: 0-1 weight part;
Sanitas: 0-1 weight part;
An amount of water.
2. metope rust-inhibiting paint according to claim 1 is characterized in that the stopping composition that is adopted is natural whiting and hydrated aluminium silicate.
3. metope rust-inhibiting paint according to claim 1 is characterized in that the solubility promoter that is adopted is 1, the 2-Ucar 35.
4. metope rust-inhibiting paint according to claim 1 is characterized in that the dispersion agent that is adopted is polycarboxylate sodium's type dispersion agent.
5. metope rust-inhibiting paint according to claim 1 is characterized in that the skimmer that is adopted is the mixture of water drain silica and MO.
6. metope rust-inhibiting paint according to claim 1 is characterized in that, the thickening material that is adopted is the saline and alkaline swelling type latex composite compounding of the ROHM of water-soluble cellulose derivative and hydrophobically modified.
7. metope rust-inhibiting paint according to claim 1 is characterized in that the pH regulator agent of being adopted is a 2-amino-2-methyl-1-propanol; The mould inhibitor that is adopted is benzoglyoxaline Urethylane, N '-(3, the 4-dichlorophenyl)-N, N-dimethyl urea or its combination; The sanitas that is adopted is 1,2-benzisothiazole-3-1 and verivate thereof.
8. the preparation method of a metope rust-inhibiting paint according to claim 1 is characterized in that, than earlier water, skimmer, dispersion agent being added the material-compound tank mixing respectively, slowly adds water-soluble thickener by set of dispense, stirs; Add pigment, stopping composition then successively, grind 10-20min at a high speed; To fineness, add filmogen, stir, add other functional agents again, and regulate viscosity and pH value, filter, packing obtains metope rust-inhibiting paint finished product.
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| CN107903690A (en) * | 2017-10-11 | 2018-04-13 | 广州立邦涂料有限公司 | A kind of water paint for rust prevention of wall surface and preparation method thereof |
| CN109181423A (en) * | 2018-07-18 | 2019-01-11 | 广州昊特建材有限公司 | Environment protection type wall covering strengthening agent and preparation method thereof |
| CN109233470A (en) * | 2018-08-01 | 2019-01-18 | 武汉格瑞奥科技有限公司 | A kind of aqueous hybrid inorganic-organic anticorrosive paint containing nanometer aluminium silicate composite powder and preparation method thereof and application method |
| CN111393917A (en) * | 2020-04-22 | 2020-07-10 | 厦门锦德兴工贸有限公司 | Water-based paint and preparation method thereof |
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Application publication date: 20120118 |