CN106833200B - A kind of high weather resistant water-thinned industrial coating of shock resistance and preparation method thereof - Google Patents

A kind of high weather resistant water-thinned industrial coating of shock resistance and preparation method thereof Download PDF

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CN106833200B
CN106833200B CN201710065708.9A CN201710065708A CN106833200B CN 106833200 B CN106833200 B CN 106833200B CN 201710065708 A CN201710065708 A CN 201710065708A CN 106833200 B CN106833200 B CN 106833200B
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thinned
water
weather resistant
shock resistance
dispersion
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CN106833200A (en
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陈小文
阙小玲
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ZHONGSHAN BLUESEA WATERBORNE PAINTS CO Ltd
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ZHONGSHAN BLUESEA WATERBORNE PAINTS CO Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • C09D5/082Anti-corrosive paints characterised by the anti-corrosive pigment
    • C09D5/084Inorganic compounds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

Abstract

The present invention provides a kind of high weather resistant water-thinned industrial antisepsis coating of shock resistance and preparation method thereof, and the high weather resistant water-thinned industrial antisepsis coating of the shock resistance is using matrix resin polyurethane-modified polyacrylate lotion and the compounding collaboration of assisted resin aqueous polyurethane dispersion;Introduce the inorganic superfine material of nano silica;Pass through gradation pigments and fillers and addition functional environment-friendly rust resisting pigment;Introduce novel substrate wetting and anti-shrinkage cavity auxiliary agent etc..The film of the high weather resistant water-thinned industrial antisepsis coating of the shock resistance has excellent impact resistance and weatherability, anti-corrosive properties and chemical-resistant, and hardness is high, adhesive force is strong, scratch resistance is good, and health environment-friendly, easy for construction.

Description

A kind of high weather resistant water-thinned industrial coating of shock resistance and preparation method thereof
Technical field
The present invention relates to waterborne metallic paint technical fields, more particularly to a kind of high weather resistant water-thinned industrial antisepsis of shock resistance Coating and preparation method thereof.
Background technique
Water paint is increasingly becoming the mainstream of world coatings industry development because of its low-carbon, environmental protection, health, the feature of energy conservation Direction.In recent years, domestic water paint obtains more quick development, and illustrates in industrial coating field extremely wide Market prospects;Society is there is an urgent need to the cry of environment-friendly water-based industrial coating, and torrent heat is gushed, a wave exceeds a wave.China's industry The annual requirement of coating is at 1,900,000 tons or so, wherein can possess huge latent with aqueous industrial coating substitution up to 1,200,000 tons In market, it is contemplated that the development of water-based industrial paint will create huge society's effect while bringing distinct economic Benefit.
Metal anti-corrosive paint is always to occupy the most commonly used coating of absolute leading position, application surface in modern industry coating Kind.The main bodys substrate such as automobile, ship, petroleum pipeline, container, mechanized equipment, hardware, metal door and window, none is not metal The important applied field of anticorrosive paint.The research and development and production of aqueous industrial coating must meet different application field for coating The personalization of performance, the requirement of differentiation.
Excellent impact resistance and weatherability is that metallic conduit anti-corrosion water paint institute special emphasis key performance refers to Mark is also especially satisfied with those irregular flat plate-like substrates or/and deposits in the decoration protection of the substrate of outdoor space for a long time With.
In the aqueous industrial coating market for having obtained Preliminary Applications, water paint kind mainly has alkyd water paint, poly- ammonia Ester water paint, acrylic compounds water paint, epoxies water-based industrial paint etc..Alkyd water paint good brightness but hardness is not high, anti-corrosive properties It can be poor.Polyurethane aqueous paint flexibility is good, but hardness is not high, higher cost.Acrylic acid aqueous paint hardness is good but toughness is bad, attached Put forth effort difference.Epoxy water-based industrial paint antiseptic property is good, but surface effect is bad, decorative poor.So existing on the market aqueous Industrial paint, there are no that can meet simultaneously, good impact resistance (suppleness is high), weatherability is strong, anti-corrosive properties are excellent, hardness is high, damage resistant Property environmental protection coating material product outstanding.
Summary of the invention
In order to solve the above technical problems, and being anti-corrosion eka-gold metal conduit, irregular tabular metal base, depositing in for a long time The metal base etc. of outdoor space, orientation develop the aqueous industrial coating product of strong applicability, and the present invention provides a kind of shock resistance High weather resistant water-thinned industrial antisepsis coating and preparation method thereof, film have excellent impact resistance and weatherability, anti-corrosive properties with Chemical-resistant, hardness is high, adhesive force is strong, scratch resistance is good, and health environment-friendly, easy for construction.
The technical solution of the present invention is as follows:
A kind of high weather resistant water-thinned industrial antisepsis coating of shock resistance, composed of the following components by weight percentage:
Wherein the sum of weight percent of each component is absolutely.
Preferably, the polyurethane-modified polyacrylate lotion is the poly- of Shanxi Jia Yufeng Chemical Industry Science Co., Ltd production Urethane modified acrylate ester lotion JR-8031A.
Preferably, the aqueous polyurethane dispersion is the aqueous poly- ammonia that Guangdong sea is produced along new material Science and Technology Ltd. Ester resin HMP-1201.
Preferably, the polyurethane-modified polyacrylate lotion and the weight proportion of the aqueous polyurethane dispersion are 2.5~3.5.
Preferably, the nano silica is the nano silica that Zhejiang China endures the production of nanometer new material Co., Ltd HT-001。
Preferably, the aluminium zinc phosphomolybdate rust resisting pigment is the aluminium zinc phosphomolybdate of Guangxi Xinjing Sci. & Tech. Co., Ltd.'s production.
Preferably, the substrate wetting and anti-shrinkage cavity auxiliary agent are the TEGO Twin- of German Evonik Degussa Corp.'s production 4200。
Preferably, the alkoxy silane adhesion promoter is the Tego ADDID of German Evonik Degussa Corp.'s production 900。
A kind of preparation method of the high weather resistant water-thinned industrial antisepsis coating of above-mentioned shock resistance, comprising the following steps: dispersing Water, polyurethane-modified polyacrylate lotion, aqueous polyurethane dispersion, dispersing agent, substrate profit is added in cylinder by weight percentage It is wet with anti-shrinkage cavity auxiliary agent, 0.1%~0.2% defoaming agent, and carry out middling speed dispersion;It is slow added into titanium dioxide, talcum powder, surpasses Thin calcium carbonate, sericite in powder, aluminium zinc phosphomolybdate rust resisting pigment, nano silica, are added with water and rinse casing wall, high speed dispersion 30 ~40 minutes to fineness≤50 micron;Then levelling agent, thickener, the defoaming agent of surplus, alkane is added under low dispersion revolving speed in Oxysilane adhesion promoter and other components, middling speed disperse to obtain finished product in 20~30 minutes;Sample detection finish fineness with Viscosity, finish fineness reach 20~40 μm, viscosity be 70~120s when be qualification.
Further, the speed of middling speed dispersion is 600~800r/min;The speed of low dispersion is in described 400~600r/min;The speed of the high speed dispersion is 1000~1500r/min.
The mechanism of action of instant component is further described through below:
1. the resin based on polyurethane-modified acrylic acid lotion fundamentally assigns water-based industrial paint excellent weather-proof Property, chemical-resistant and salt spray resistance.
Undeniably, water corrosion-resistant epoxy paint is an important species in current aqueous industrial coating, maximum Performance advantage is that antiseptic property is good, hardness is high, scratch resistance and wear-resisting property are good, however, its maximum weakness be weatherability it is poor, Slow drying speed is unsuitable for for outdoor decoration project.In terms of the resin variety for outdoor coating, water-and acrylate tree Rouge, waterborne polyurethane resin, water-based fluorocarbon resin are three big basic resins.Fluorocarbon resin be weatherability, antiseptic property the most Excellent resin type, but because it is expensive, it is chiefly used in decoration and the protection in high-grade place.Currently on the market using the most general Time resin be waterborne acrylic paint, waterborne polyurethane resin, aqueous acrylic modified polyurethane resin or aqueous poly- ammonia Ester modified acrylic resin.
Waterborne acrylic paint has many advantages, such as that quick-drying, the transparency are good, guarantor's light colour retention is good, adhesive force, gloss, hardness It is also relatively preferable with weather resistance;The disadvantage is that minimum film formation temperature is high, film forming and flexibility are poor, water-fast solvent resistance Difference, hot sticky cold crisp.
Double isocyanates, polyester (ether) polyalcohol are usually used in aqueous polyurethane, are introduced with double methylol third (fourth) acid Carboxyl ternary condensation forms polyurethane (PU).The segmented structure formed in polyurethane molecular structure with hard segment and soft chain segment, Determine its not only hard but also flexible special performance;Its two phase structure makes aqueous polyurethane have excellent film formation at low temp, stream Levelling and flexibility, heat resistanceheat resistant after tack are good;Due to the presence of hydrogen bond, wear-resisting, high rigidity is made it have.But the resinoid produces Product stability, from thickening property, solid content, in terms of Shortcomings.
Acrylic resin modified by aqueous polyaminoester or aqueous acrylic modified polyurethane resin all have moderate, hard The features such as higher, Physical and mechanical properties are preferable is spent, water-based acrylic resin and aqueous polyurethane tree are more harmoniously balanced Advantage and disadvantage of the rouge in performance and price, have good complementarity.The comprehensive of material is improved using the two combination Close performance, it has also become the important channel of new generation aqueous industrial coating.
The polyurethane-modified polyacrylate lotion JR- of the present invention preferred Shanxi Jia Yufeng Chemical Industry Science Co., Ltd production Resin based on 8031A.With the aqueous industrial coating that the resin is prepared, there is high-weatherability and yellowing resistance, it is excellent it is water-fast, Salt water resistance, salt spray resistance, acidproof and alkali resistance, excellent high rigidity, damage resistant and adhesive force.The aqueous industrial researched and developed with the resin Coating, can voluntarily drying and forming-film under normal temperature conditions, can also under the conditions of medium temperature (80 DEG C -120 DEG C) help roasting drying and forming-film, in turn Obtain paint film property more more excellent than normal temperature condition.
2. it is pressed with matrix resin (polyurethane-modified acrylic acid lotion) using aqueous polyurethane dispersion as assisted resin Certain proportion compounding, further improves the suppleness of aqueous industrial coating, improve the impact resistance of environmentally friendly paint film, resistance to bend(ing) and Scratch resistant performance.
It is mixed in a certain ratio compounding high performance resin, binder systems for use is promoted to obtain maximum synergistic effect, be aqueous work The original power and end objectives of resin are compounded during industry Design of Coatings Formulation.
Selection and collocation to current binder systems for use are blended, and form base-material compound system and then obtain synergistic effect, not only Make the advantage and disadvantage of different binder systems for use have the function that make up mutually, while being broken through in some performances, reaches one Breakthrough performance in same base-material technical foundation.Using aqueous polyurethane dispersion as assisted resin, compounding polyurethane changes the present invention Property acrylic acid ester emulsion matrix resin, in the performance of polyurethane-modified polyacrylate lotion excellent weatherability and chemical-resistant On the basis of, aqueous polyurethane dispersion is introduced, polyurethane resin flexibility outstanding is played to the greatest extent, significantly improves coating Impact resistance, bending resistance and the scratch resistance of binder systems for use.
The waterborne polyurethane resin HMP-1201 that the preferred Guangdong sea of the present invention is produced along new material Science and Technology Ltd..HMP- 1201 water-base resins are a kind of translucent aqueous polyurethane dispersion of high-grade aqueous industrial coating milky, adapt to coating extensively In polarity or the nonpolar good material of flexibility, paint film property is excellent, high temperature non yellowing, do not get damp again, it is anti-return it is viscous.The resin is matched The environment-protecting industrial anticorrosive paint of system is same, can voluntarily drying and forming-film under normal temperature conditions, can also be helped at medium temperature (80 DEG C -120 DEG C) roasting Under the conditions of drying and forming-film.Medium temperature help it is roasting under the conditions of drying and forming-film, paint film is finer and close, and chemical-resistant is more superior, shock resistance with it is resistance to The performances such as scuffing, resistant to bending are further enhanced.
By the DOE experiment research of science, compound proportion, constituent content and the Recipe optimized the most is determined. It is carried out in combine experiment to polyurethane-modified polyacrylate lotion JR-8031A and waterborne polyurethane resin HMP-1201, this is specially Benefit is the study found that the weight proportion of polyurethane-modified polyacrylate lotion and waterborne polyurethane resin in formulation for coating material is 2.5 When~3.5, two kinds of resin systems reach the synergistic effect of a mutual supplement with each other's advantages, and then it is most excellent to obtain paint film comprehensive performance The high weather resistant water-thinned industrial antisepsis coating products of shock resistance.
3. creatively introduce the inorganic superfine material of nano silica, advantage promoted the impact resistance of paint film, hardness and Scratch resistant performance, and significantly improve the chemical-resistant of surface of the paint film.
Usually, the compact in paint film after water paint is dry is low compared with the paint film of solvent based coating, leads to paint film Mechanical and physical performance (such as hardness of paint film, scratch resistance, impact resistance) is universal relatively low, is easy in use because some Shaggy hard object is quickly streaked or is hit, and leaves apparent scar or dent together in smooth surface of the paint film, both The aesthetic feeling of surface of the paint film is destroyed, protection of the paint film to substrate is also influenced.On the basis of the present invention is by compounding binder resin, wound It introduces to the property made the inorganic superfine material of nano silica and further sends paint film using the nano material technology of silica Physical mechanics and chemical resistance.
The preferred Zhejiang China of the present invention endures the nano silica HT-001 of nanometer new material Co., Ltd production.The nanometer two Silica material be on the basis of the precipitation method produce ' white carbon black ', Jing Liuneng depolymerization, super-fine processing, process of surface treatment and Manufactured nanoscale product.The microparticle surfaces key of anion containing OH has hydrophily, polymolecularity and nanometer size effect.It is this Ultra tiny New Inorganic Materials partial size is small, large specific surface area, superficial attractive forces are strong, and dispersion performance is good, has superior reinforcing, steady Qualitative, thickening property and thixotropy.By the Application of micron in aqueous industrial coating, the object of nanotechnology brilliance can be given full play to Reason enhancing characteristic, advantage improve the hardness of paint film, scratch resistance, and because inorganic ultrafine material is for the insensitiveness of chemical attacks Property, and significantly improve the performances such as acidproof, the alkaline-resisting and salt water resistance of industrial antisepsis coating paint film.
4. enhancing the densification of aqueous industrial coating paint film by gradation pigments and fillers and addition functional environment-friendly rust resisting pigment Degree improves the antirust, anti-corrosive performance of paint film, and gloss of film degree is controlled in target gloss range, advanced optimizes high-performance The cost performance of aqueous industrial coating.
In the formulation composition of aqueous industrial anticorrosive paint, pigments and fillers play a part of skeleton, and different pigments and fillers have not Same partial size and mode of appearance.If the pigments and fillers of different-grain diameter arranged in pairs or groups mixing in appropriate proportion, it is dispersed in aqueous In industrial antisepsis coating system, the relatively compact state that bead is filled in big ball can be formed.
The pigments and fillers used in formula have titanium dioxide, talcum powder, calcium carbonate superfine powder, sericite in powder, etc..In view of various face Actual efficacy of the filler in formula carries out thickness gradation collocation to it, and the additional proportion of each component is adjusted to most It is good, it is ensured that the consistency after paint film film forming.
Currently preferred rust resisting pigment is patented product " the phosphomolybdic acid aluminium of Guangxi Xinjing Sci. & Tech. Co., Ltd.'s independent research Zinc ".This is a kind of functional inorganic chemical industry environmental protection antirust new material, with nontoxic, rust-preventing characteristic is good, is easy to mix colours, good dispersion The advantages that, it is wide to the applicability of base-material, it is moderate, it may replace foreign same type product, especially substitution red lead etc. is toxic anti- Become rusty pigment.The application of aluminium zinc phosphomolybdate in formula can largely improve the antirust, anti-corrosive performance of paint film.
5. the adhesion promoter in using alkoxy silane as Water-Soluble Anticorrosive Paint System is optimized real by one-component It tests, determines the optimal dose of adhesion promoter, further improve water paint for the adhesive strength of ground.
In aqueous industrial anticorrosive paint system of the present invention, addition alkoxy silane, can as paint film adhesion promotor Coating is effectively promoted to substrate adhesions such as metal, plastic cement, glass.The preferably German Evonik Degussa Corp.'s production of the present invention Tego ADDID 900 is adhesion promoter.Tego ADDID 90 is a kind of alkoxy silane containing amido functional group, can be wide It is general to be applied to aqueous coating formulation, water paint is effectively improved in the adhesive force (aluminium of metal, silicate, ceramics and oxidized surface Material, glass, steel etc.).
The dosage of adhesion promoter is directly related to the adhesion of water-based industrial paint.The research of the invention finds that working as alcoxyl It is aqueous when the additive capacity of base silane Tego ADDID 900 reaches 0.5%~0.7% (weight percent) in formulation for coating material The film adhesive of industrial antisepsis coating products can be promoted to 1 grade even 0 grade (according to standard GB/T/T 9286- 1998) firm attachment to various grounds, is realized.
6. introducing the wetting of novel substrate and anti-shrinkage cavity auxiliary agent, improve water-based anticorrosive paint to the wetting effect of substrate, both without Foam stabilizing class negative effect, but help to solve after different resins system compounding it is common it is incompatible, levelability is poor, paint film shrinkage cavity etc. Problem.
Various kinds of resin compounds in the hope of the perfect film of comprehensive performance, is a challenge in aqueous industrial coating formulating The biggish technical work of property.It, both may be by two types tree when being compounded in coating system using different types of resin The excellent properties of rouge converge in a product simultaneously, it is also possible to because of the contracting that is incompatible and leading to film coated surface of different resins The problems such as hole or pit, cissing or webbing, bubble or prickly heat.
The present invention is applied by introducing a kind of novel substrate wetting and anti-shrinkage cavity auxiliary agent to be effectively improved water-based metal anti-corrosion The wetting effect and consistency problem of material.This novel substrate wetting is given birth to anti-shrinkage cavity auxiliary agent by German Evonik Degussa Corp. It produces, material number is TEGO Twin-4200.TEGO Twin-4200 is the twin body structure surface active agent of a silicone-type.Needle To various different substrate materials, even low-surface-energy or contaminated substrate, TEGO Twin-4200 auxiliary agent can strongly push water Property coating obtains uniform wetability in substrate surface, and can be effectively improved the compatible of different resins sill in coating system Property, minimum even is eliminated the film defects such as the shrinkage cavity being likely to occur, crawling.
The research of the invention finds that when additive capacity of the TEGO Twin-4200 in aqueous industrial anticorrosion paint formulation is 0.3%~0.5% (accounting for the ratio between total formula weight) can get optimal coating wetting and levelling effect, the smooth cunning of surface of the paint film It is refreshing, the paint disease such as no any shrinkage cavity, cissing or webbing.
Beneficial effects of the present invention are as follows:
(1) product of the present invention paint film impact resistance with super strength.According to ISO 6272-2:2002 regulation test shock resistance The impact resistance of high weather resistant water-thinned industrial antisepsis coating paint film (before acid resistance test), the results showed that shock height is up to 70cm When, paint film still without fall off, without cracking phenomena.The hydrochloric acid solution for being 6mol/L using concentration carries out this product paint film 3 small When more than immersion, the impact resistance (after acid resistance test) of product is surveyed after room temperature half an hour again, as a result, it has been found that, shock height When up to 30cm, paint film still without fall off, without cracking phenomena.
(2) product of the present invention has excellent weatherability and salt fog resistance.According to JG/T 224-2007 " construction(al)steel knot Structure anticorrosive paint " country's building industry professional standard, artificial ageing resistance test is carried out to the product, as the result is shown: product paint Film is not blistering through 1000h, does not fall off, flawless.Product shows excellent salt fog resistance, after paint film is tested after 1000h, no It blisters, fall off.
(3) product of the present invention has excellent water resistance, acid resistance and resistance to salt water.The water resistance of product tests display, Product paint film is without exception through 168h;The acid resistance of product tests display, and 5%H is set in the leaching of product paint film2SO4In solution, through 168h without It is abnormal;The resistance to salt water of product tests display, and the leaching of product paint film is set in 3%NaOH solution, without exception through 240h.
(4) product of the present invention has excellent paint film adhesion.By the product painting in metallic conduit, irregular tabular The paint film adhesion of the product is detected according to standard GB/T/T 9286-1998 in the bottom materials such as metal base surface, should Product paint film adhesion can reach 1 grade even 0 grade.
(5) product of the present invention has got important breakthrough in terms of hardness of paint film and scratch resistant performance.Hardness of paint film will be much Higher than general level (referring to " HG/T 3828-2006 ") B of water-based industrial paint product in the market, reach H or more.Paint film it is resistance to It scratches performance to be also significantly improved, reaching can be with damage resistant effect that solvent type industrial coating matches in excellence or beauty;According to GB/T 9729 standards regulation, given load 100g carries out Scratch Test on scriber, and testing result reaches the rank of " not scratching ".
(6) product of the present invention itself has environment-friendly advantage outstanding.Product of the present invention uses polyurethane-modified polyacrylate Lotion compounds painting technology with aqueous polyurethane dispersion, reduces the use in paint can with the irritation volatile matter of work progress Amount, is greatly reduced the content of product VOC.The VOC of this water-based anticorrosive paint product can be controlled in 30g/L hereinafter, much Lower than the most stringent of environmental protection standard of coating industry (HJ 2537-2014) require Limited Doses 80g/L, thus advantage highlight it is aqueous The environmental protection characteristic of metal anti-corrosive paint.
(7) product of the present invention meets national environmental standard HJ 2537-2014 " environmental labelling product technical requirements: aqueous painting Material " comprehensive requirement.
Specific embodiment
A kind of high weather resistant water-thinned industrial antisepsis coating of shock resistance, composed of the following components by weight percentage:
Wherein the sum of weight percent of each component is absolutely.
Wherein the polyurethane-modified polyacrylate lotion is the poly- ammonia of Shanxi Jia Yufeng Chemical Industry Science Co., Ltd production Ester modified acrylic acid ester emulsion JR-8031A.
Wherein the aqueous polyurethane dispersion is the aqueous polyurethane that Guangdong sea is produced along new material Science and Technology Ltd. Resin HMP-1201.
Wherein the weight proportion of the polyurethane-modified polyacrylate lotion and the aqueous polyurethane dispersion be 2.5~ 3.5。
Wherein the nano silica is the nano silica HT- that Zhejiang China endures the production of nanometer new material Co., Ltd 001。
Wherein the aluminium zinc phosphomolybdate rust resisting pigment is the aluminium zinc phosphomolybdate of Guangxi Xinjing Sci. & Tech. Co., Ltd.'s production.
Wherein the substrate wetting and anti-shrinkage cavity auxiliary agent are the TEGO Twin-4200 of German Evonik Degussa Corp.'s production.
Wherein the alkoxy silane adhesion promoter is the Tego ADDID of German Evonik Degussa Corp.'s production 900。
A kind of preparation method of the high weather resistant water-thinned industrial antisepsis coating of above-mentioned shock resistance, comprising the following steps: dispersing Water, polyurethane-modified polyacrylate lotion, aqueous polyurethane dispersion, dispersing agent, substrate profit is added in cylinder by weight percentage It is wet with anti-shrinkage cavity auxiliary agent, 0.1%~0.2% defoaming agent, and carry out middling speed dispersion;It is slow added into titanium dioxide, talcum powder, surpasses Thin calcium carbonate, sericite in powder, aluminium zinc phosphomolybdate rust resisting pigment, nano silica, are added with water and rinse casing wall, high speed dispersion 30 ~40 minutes to fineness≤50 micron;Then levelling agent, thickener, the defoaming agent of surplus, alkane is added under low dispersion revolving speed in Oxysilane adhesion promoter and other components, middling speed disperse to obtain finished product in 20~30 minutes;Sample detection finish fineness with Viscosity, finish fineness reach 20~40 μm, viscosity be 70~120s when be qualification.
Further, the speed of middling speed dispersion is 600~800r/min;The speed of low dispersion is in described 400~600r/min;The speed of the high speed dispersion is 1000~1500r/min.
The present invention will be described in detail With reference to embodiment:
Embodiment one:
A kind of high weather resistant water-thinned industrial antisepsis coating of shock resistance, composed of the following components by weight percentage:
The preparation method of the high weather resistant water-thinned industrial antisepsis coating of above-mentioned shock resistance, comprising the following steps: in dispersion cylinder By weight percentage be added water, polyurethane-modified polyacrylate lotion, aqueous polyurethane dispersion, dispersing agent, substrate wetting with Anti- shrinkage cavity auxiliary agent, 0.2% defoaming agent, and carry out middling speed dispersion, the speed of the middling speed dispersion is 600~800r/min; It is slow added into titanium dioxide, talcum powder, calcium carbonate superfine powder, sericite in powder, aluminium zinc phosphomolybdate rust resisting pigment, nano silica, It is added with water and rinses casing wall, the speed of the high speed dispersion is 1000 to fineness≤50 micron within high speed dispersion 30~40 minutes ~1500r/min;Then it is attached that levelling agent, thickener, 0.2% defoaming agent, alkoxy silane is added under low dispersion revolving speed in Adhesion promoter and other components, it is described in low dispersion speed be 400~600r/min;Middling speed (600~800r/ again Min) disperse to obtain finished product in 20~30 minutes;Sample detection finish fineness and viscosity, finish fineness reach 20~40 μm, viscosity be It is qualification when 70~120s.
Testing result: 1) product paint film has excellent impact resistance.Before acid resistance test, when shock height is up to 70cm, Paint film without fall off, without cracking phenomena.After acid resistance test.When shock height is up to 30cm, paint film still without fall off, it is existing without cracking As.2) product has excellent weatherability and salt fog resistance.Artificial ageing resistance test result shows that product paint film is through 1000h It is not blistering, do not fall off, flawless.It is not blistering, do not take off after product salt fog resistance test result shows paint film after 1000h experiment It falls.3) product has excellent water resistance, acid resistance and resistance to salt water.Water resistance test the result shows that, product paint film is through 168h It is without exception;Acid resistance test result shows that product paint film is without exception through 168h;Resistance to salt water test result shows product paint film It is without exception through 240h.4) hardness of paint film is high, testing result H.5) it scratches and has excellent performance.It is drawn according to 9729 standard of GB/T Wound test, testing result are " not scratching ".6) paint film adhesion with super strength, adhesive force are 1 grade.7) product environmental protection characteristic is prominent Out, VOC 24g/L.
Embodiment two:
A kind of high weather resistant water-thinned industrial antisepsis coating of shock resistance, composed of the following components by weight percentage:
The preparation method of the high weather resistant water-thinned industrial antisepsis coating of above-mentioned shock resistance, comprising the following steps: in dispersion cylinder By weight percentage be added water, polyurethane-modified polyacrylate lotion, aqueous polyurethane dispersion, dispersing agent, substrate wetting with Anti- shrinkage cavity auxiliary agent, 0.2% defoaming agent, and carry out middling speed dispersion, the speed of the middling speed dispersion is 600~800r/min; It is slow added into titanium dioxide, talcum powder, calcium carbonate superfine powder, sericite in powder, aluminium zinc phosphomolybdate rust resisting pigment, nano silica, It is added with water and rinses casing wall, the speed of the high speed dispersion is 1000 to fineness≤50 micron within high speed dispersion 30~40 minutes ~1500r/min;Then it is attached that levelling agent, thickener, 0.1% defoaming agent, alkoxy silane is added under low dispersion revolving speed in Adhesion promoter and other components, it is described in low dispersion speed be 400~600r/min;Middling speed (600~800r/ again Min) disperse to obtain finished product in 20~30 minutes;Sample detection finish fineness and viscosity, finish fineness reach 20~40 μm, viscosity be It is qualification when 70~120s.
Testing result: 1) product paint film has excellent impact resistance.Before acid resistance test, when shock height is up to 70cm, Paint film without fall off, without cracking phenomena.After acid resistance test.When shock height is up to 30cm, paint film still without fall off, it is existing without cracking As.2) product has excellent weatherability and salt fog resistance.Artificial ageing resistance test result shows that product paint film is through 1000h It is not blistering, do not fall off, flawless.It is not blistering, do not take off after product salt fog resistance test result shows paint film after 1000h experiment It falls.3) product has excellent water resistance, acid resistance and resistance to salt water.Water resistance test the result shows that, product paint film is through 168h It is without exception;Acid resistance test result shows that product paint film is without exception through 168h;Resistance to salt water test result shows product paint film It is without exception through 240h.4) hardness of paint film is high, testing result H.5) it scratches and has excellent performance.It is drawn according to 9729 standard of GB/T Wound test, testing result are " not scratching ".6) paint film adhesion with super strength, adhesive force are 1 grade.7) product environmental protection characteristic is prominent Out, VOC 21g/L.
Embodiment three:
A kind of high weather resistant water-thinned industrial antisepsis coating of shock resistance, composed of the following components by weight percentage:
The preparation method of the high weather resistant water-thinned industrial antisepsis coating of above-mentioned shock resistance, comprising the following steps: in dispersion cylinder By weight percentage be added water, polyurethane-modified polyacrylate lotion, aqueous polyurethane dispersion, dispersing agent, substrate wetting with Anti- shrinkage cavity auxiliary agent, 0.2% defoaming agent, and carry out middling speed dispersion, the speed of the middling speed dispersion is 600~800r/min; It is slow added into titanium dioxide, talcum powder, calcium carbonate superfine powder, sericite in powder, aluminium zinc phosphomolybdate rust resisting pigment, nano silica, It is added with water and rinses casing wall, the speed of the high speed dispersion is 1000 to fineness≤50 micron within high speed dispersion 30~40 minutes ~1500r/min;Then it is attached that levelling agent, thickener, 0.1% defoaming agent, alkoxy silane is added under low dispersion revolving speed in Adhesion promoter and other components, it is described in low dispersion speed be 400~600r/min;Middling speed (600~800r/ again Min) disperse to obtain finished product in 20~30 minutes;Sample detection finish fineness and viscosity, finish fineness reach 20~40 μm, viscosity be It is qualification when 70~120s.
Testing result: 1) product paint film has excellent impact resistance.Before acid resistance test, when shock height is up to 70cm, Paint film without fall off, without cracking phenomena.After acid resistance test.When shock height is up to 30cm, paint film still without fall off, it is existing without cracking As.2) product has excellent weatherability and salt fog resistance.Artificial ageing resistance test result shows that product paint film is through 1000h It is not blistering, do not fall off, flawless.It is not blistering, do not take off after product salt fog resistance test result shows paint film after 1000h experiment It falls.3) product has excellent water resistance, acid resistance and resistance to salt water.Water resistance test the result shows that, product paint film is through 168h It is without exception;Acid resistance test result shows that product paint film is without exception through 168h;Resistance to salt water test result shows product paint film It is without exception through 240h.4) hardness of paint film is high, testing result H.5) it scratches and has excellent performance.It is drawn according to 9729 standard of GB/T Wound test, testing result are " not scratching ".6) paint film adhesion with super strength, adhesive force are 1 grade.7) product environmental protection characteristic is prominent Out, VOC 20g/L.
Example IV:
A kind of high weather resistant water-thinned industrial antisepsis coating of shock resistance, composed of the following components by weight percentage:
The preparation method of the high weather resistant water-thinned industrial antisepsis coating of above-mentioned shock resistance, comprising the following steps: in dispersion cylinder By weight percentage be added water, polyurethane-modified polyacrylate lotion, aqueous polyurethane dispersion, dispersing agent, substrate wetting with Anti- shrinkage cavity auxiliary agent, 0.2% defoaming agent, and carry out middling speed dispersion, the speed of the middling speed dispersion is 600~800r/min; It is slow added into titanium dioxide, talcum powder, calcium carbonate superfine powder, sericite in powder, aluminium zinc phosphomolybdate rust resisting pigment, nano silica, It is added with water and rinses casing wall, the speed of the high speed dispersion is 1000 to fineness≤50 micron within high speed dispersion 30~40 minutes ~1500r/min;Then it is attached that levelling agent, thickener, 0.2% defoaming agent, alkoxy silane is added under low dispersion revolving speed in Adhesion promoter and other components, it is described in low dispersion speed be 400~600r/min;Middling speed (600~800r/ again Min) disperse to obtain finished product in 20~30 minutes;Sample detection finish fineness and viscosity, finish fineness reach 20~40 μm, viscosity be It is qualification when 70~120s.
Testing result: 1) product paint film has excellent impact resistance.Before acid resistance test, when shock height is up to 70cm, Paint film without fall off, without cracking phenomena.After acid resistance test.When shock height is up to 30cm, paint film still without fall off, it is existing without cracking As.2) product has excellent weatherability and salt fog resistance.Artificial ageing resistance test result shows that product paint film is through 1000h It is not blistering, do not fall off, flawless.It is not blistering, do not take off after product salt fog resistance test result shows paint film after 1000h experiment It falls.3) product has excellent water resistance, acid resistance and resistance to salt water.Water resistance test the result shows that, product paint film is through 168h It is without exception;Acid resistance test result shows that product paint film is without exception through 168h;Resistance to salt water test result shows product paint film It is without exception through 240h.4) hardness of paint film is high, testing result H.5) it scratches and has excellent performance.It is drawn according to 9729 standard of GB/T Wound test, testing result are " not scratching ".6) paint film adhesion with super strength, adhesive force are 0 grade.7) product environmental protection characteristic is prominent Out, VOC 26g/L.
Embodiment five:
A kind of high weather resistant water-thinned industrial antisepsis coating of shock resistance, composed of the following components by weight percentage:
The preparation method of the high weather resistant water-thinned industrial antisepsis coating of above-mentioned shock resistance, comprising the following steps: in dispersion cylinder By weight percentage be added water, polyurethane-modified polyacrylate lotion, aqueous polyurethane dispersion, dispersing agent, substrate wetting with Anti- shrinkage cavity auxiliary agent, 0.2% defoaming agent, and carry out middling speed dispersion, the speed of the middling speed dispersion is 600~800r/min; It is slow added into titanium dioxide, talcum powder, calcium carbonate superfine powder, sericite in powder, aluminium zinc phosphomolybdate rust resisting pigment, nano silica, It is added with water and rinses casing wall, the speed of the high speed dispersion is 1000 to fineness≤50 micron within high speed dispersion 30~40 minutes ~1500r/min;Then it is attached that levelling agent, thickener, 0.2% defoaming agent, alkoxy silane is added under low dispersion revolving speed in Adhesion promoter and other components, it is described in low dispersion speed be 400~600r/min;Middling speed (600~800r/ again Min) disperse to obtain finished product in 20~30 minutes;Sample detection finish fineness and viscosity, finish fineness reach 20~40 μm, viscosity be It is qualification when 70~120s.
Testing result: 1) product paint film has excellent impact resistance.Before acid resistance test, when shock height is up to 70cm, Paint film without fall off, without cracking phenomena.After acid resistance test.When shock height is up to 30cm, paint film still without fall off, it is existing without cracking As.2) product has excellent weatherability and salt fog resistance.Artificial ageing resistance test result shows that product paint film is through 1000h It is not blistering, do not fall off, flawless.It is not blistering, do not take off after product salt fog resistance test result shows paint film after 1000h experiment It falls.3) product has excellent water resistance, acid resistance and resistance to salt water.Water resistance test the result shows that, product paint film is through 168h It is without exception;Acid resistance test result shows that product paint film is without exception through 168h;Resistance to salt water test result shows product paint film It is without exception through 240h.4) hardness of paint film is high, testing result H.5) it scratches and has excellent performance.It is scratched according to GB/T9729 standard Test, testing result are " not scratching ".6) paint film adhesion with super strength, adhesive force are 0 grade.7) product environmental protection characteristic is prominent Out, VOC 28g/L.
It is that above-mentioned preferred embodiment should be regarded as application scheme embodiment for example, all with application scheme thunder Same, approximate or technology deduction, replacement, improvement for making based on this etc., are regarded as protection scope of the present invention.

Claims (9)

1. a kind of high weather resistant water-thinned industrial antisepsis coating of shock resistance, which is characterized in that composed of the following components by weight percentage:
Wherein the sum of weight percent of each component is absolutely.
2. the high weather resistant water-thinned industrial antisepsis coating of shock resistance according to claim 1, which is characterized in that the polyurethane changes Property acrylic acid ester emulsion be Shanxi Jia Yufeng Chemical Industry Science Co., Ltd production polyurethane-modified polyacrylate lotion JR- 8031A。
3. the high weather resistant water-thinned industrial antisepsis coating of shock resistance according to claim 2, which is characterized in that the aqueous poly- ammonia Ester dispersion is the waterborne polyurethane resin HMP-1201 that Guangdong sea is produced along new material Science and Technology Ltd..
4. the high weather resistant water-thinned industrial antisepsis coating of shock resistance according to claim 3, which is characterized in that the polyurethane changes Property acrylic acid ester emulsion and the aqueous polyurethane dispersion weight proportion be 2.5~3.5.
5. the high weather resistant water-thinned industrial antisepsis coating of shock resistance according to claim 1, which is characterized in that the phosphomolybdic acid aluminium Zinc rust resisting pigment is the aluminium zinc phosphomolybdate of Guangxi Xinjing Sci. & Tech. Co., Ltd.'s production.
6. the high weather resistant water-thinned industrial antisepsis coating of shock resistance according to claim 1, which is characterized in that the substrate wetting It is the TEGO Twin-4200 of German Evonik Degussa Corp.'s production with anti-shrinkage cavity auxiliary agent.
7. the high weather resistant water-thinned industrial antisepsis coating of shock resistance according to claim 1, which is characterized in that the alkoxyl silicone Alkane adhesion promoter is the Tego ADDID 900 of German Evonik Degussa Corp.'s production.
8. a kind of preparation method of the high weather resistant water-thinned industrial antisepsis coating of shock resistance described in claim 1-7 any one, It is characterized in that, comprising the following steps: water, polyurethane-modified polyacrylate lotion, water is added by weight percentage in dispersion cylinder Property dispersions of polyurethanes, dispersing agent, substrate wetting and anti-shrinkage cavity auxiliary agent, 0.1%~0.2% defoaming agent, and carry out middling speed point It dissipates;It is slow added into titanium dioxide, talcum powder, calcium carbonate superfine powder, sericite in powder, aluminium zinc phosphomolybdate rust resisting pigment, nanometer titanium dioxide Silicon is added with water and rinses casing wall, high speed dispersion 30~40 minutes to fineness≤50 micron;Then it is added under low dispersion revolving speed in Levelling agent, thickener, the defoaming agent of surplus, alkoxy silane adhesion promoter and other components, middling speed disperse 20~30 points Clock obtains finished product;Sample detection finish fineness and viscosity, finish fineness reach 20~40 μm, viscosity be 70~120s when be close Lattice.
9. the preparation method of the high weather resistant water-thinned industrial antisepsis coating of shock resistance according to claim 8, which is characterized in that institute The speed for the middling speed dispersion stated is 600~800r/min;The speed of low dispersion is 400~600r/min in described;Described The speed of high speed dispersion is 1000~1500r/min.
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