CN101665645A - Nanometer compound water-based heat insulation anticorrosion paint used for metal and preparation method thereof - Google Patents

Nanometer compound water-based heat insulation anticorrosion paint used for metal and preparation method thereof Download PDF

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CN101665645A
CN101665645A CN200910193169A CN200910193169A CN101665645A CN 101665645 A CN101665645 A CN 101665645A CN 200910193169 A CN200910193169 A CN 200910193169A CN 200910193169 A CN200910193169 A CN 200910193169A CN 101665645 A CN101665645 A CN 101665645A
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heat insulation
water
rust
based heat
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CN101665645B (en
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陈中华
苏国徽
余飞
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Guangzhou Jointas Chemical Co Ltd
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South China University of Technology SCUT
Guangzhou Jointas Chemical Co Ltd
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Abstract

The invention discloses a nanometer compound water-based heat insulation anticorrosion paint used for metal and a preparation method thereof. The raw materials of the paint consists of the following components: tap water, watercraft acrylic resin, rustproofing pigment, reflection pigment and filler, hollow micro-beads, watercraft nanometer size, anti-settling agent, wetting and dispersing agent A,wetting and dispersing agent B, film-forming assistant, defoaming agent, flatting agent, anti-flash rustproofing agent and thickening agent. Watercraft polyacrylic emulsion is styrene-crylic acid copolymerization emulsion, pure crylic acid polymerization emulsion or organic silicon-crylic acid copolymerization emulsion. The wetting and dispersing agent A is block macromolecule copolymer, multivalence carboxylate polymer and/or synthetic macromolecule copolymer, and the wetting and dispersing agent B is anion wetting agent and/or nonionic wetting agnet. The product contains no organic solvent,heavy metal and other harmful substances, is extremely excellent in environmental conservation, integrates the functions of anticorrosion and heat insulation as a whole and is simple and convenient for construction, safe in storage and stable in performance.

Description

A kind of nanometer compound water-based heat insulation anticorrosion paint used for metal and preparation method thereof
Technical field
The present invention relates to technical field of coatings, be specially a kind of nanometer compound water-based heat insulation anticorrosion paint used for metal and preparation method thereof.
Background technology
Metallic substance will occupy critical role in the material field with its good mechanical property and processing performance; but always carve and also do not caused massive losses to human society in the metallic corrosion of carrying out, developing therefore efficiently that protective system protects it is the most simple and practical method.Facilities such as the storage equipment of making by metallic substance, petrochemical equipment, storage roof, can be damaged by corrosion because of chemistry or the electrochemical action that is subjected to surrounding medium for a long time on the one hand, can bring hidden danger because of the heat absorption in summer heats up on the other hand, along with the great attention of global economy development to resource, environment, exploitation integrates the anticorrosive heat insulating function, the Multifucntional coating of easy construction, aqueous, environmental protective meets the trend that coating develops, and has a good application prospect.
Domestic cooling and insulating coating generally is divided into three kinds of isolation-types, reflection-type, radial pattern.The filler that is used for thermal insulating coating should possess low thermal conductivity (being high resistive properties) characteristic, and using maximum at present is hollow glass or ceramic fine bead.The high interstitital texture material of this class has thermal conductivity little (being generally 0.03-0.10W/ (mK)), plurality of advantages such as tap density is little, surface-area is little, wearing quality, weathering resistance, excellent corrosion resistance.
In the total quantity of radiant energy of the sun, ultraviolet region 0.2-0.4 μ m accounts for 5% of total energy; Visible region 0.4-0.72 μ m accounts for 45% of total energy; Near-infrared region 0.72-2.5 μ m accounts for 50% of total energy, and reflection type thermal insulation coating is mainly by improving the purpose that the sunlight reflectivity of visible light and near-infrared band is reached cooling.Semiconductor fills is a kind of novel doping filler, in theory, suitably select parameters such as carrier density, carrier mobility and carrier impact frequency, can make doped semiconductor have lower emittance at infrared band, nano ATO (antimony-doped stannic oxide) is the mixture of transition metal oxide, absorption and reflectivity to infrared light are very strong, are a kind of novel lagging materials.
The radiativity thermal insulating coating be beyond radiation mode the energy emission that absorbs gone out and play heat-blocking action, the ir radiation powder mainly is the mixture and the carbide of metal oxide, main radiation wave band is in the scope of 2.5~12 μ m, with more be transition metal or nonmetal oxide, as ferric oxide, aluminum oxide, zirconium white etc.The super-refinement of ir radiation filler, nanometer are a kind of means that improve its emittance (emissivity), it also is the effective means that improves paint film compactness and then improve the coating antiseptic performance, but nanoparticle has, and particle diameter is little, specific surface area is big, surface energy is high, the insufficient characteristics of the serious coordination of surface atom, directly add coating and be difficult to disperse, nano-powder is made slurry, and to be scattered in the traditional coating the high performance nano composite dope of preparation be the hot subject of research at present.
Summary of the invention
The objective of the invention is to overcome the shortcoming of prior art, a kind of nanometer compound water-based heat insulation anticorrosion paint used for metal is provided, this coating had both satisfied the outer rot-resistant basic demand of metal, fully utilize obstruct, reflection, radiation heat insulation cool principle again, integrate anticorrosive heat insulating, characteristics such as have environment-protecting asepsis simultaneously, cost is low, and it is simple to construct.
Another purpose of the present invention is to provide a kind of preparation method of nanometer compound water-based heat insulation anticorrosion paint used for metal.
Purpose of the present invention is achieved through the following technical solutions:
A kind of nanometer compound water-based heat insulation anticorrosion paint used for metal, by weight percentage, constitute by following component: tap water 10-14%, aqueous acrylic emulsion 55-58%, rust-stabilising pigment 4-6%, reflective paint 13%-18%, tiny balloon 5-7%, waterborne nano slurry 1-5%, anti-settling agent 0.1-0.2%, wetting dispersing agent A 0.3-0.5%, wetting dispersing agent B0.1-0.3%, film coalescence aid 2-3%, frostproofer 1-2%, mould inhibitor 0.1-0.2%, defoamer 0.2-0.3%, flow agent 0.1-0.2%, the anti-rust agent 0.1-0.2% that dodges, thickening material 0.3-0.5%.
Main film forming substance is an aqueous acrylic emulsion in the present invention prescription, one of can select for use in following three: styrene-propene acid copolymer emulsion, pure acrylic acid polymerized emulsion or organosilicon-acrylate copolymer emulsion.The RS-998A that produces as Shuande, the Guangdong well-off industry of Ahmedabad company limited is the polymkeric substance that a kind of cinnamic acrylic ester copolymerization forms, and has that particle is tiny, the characteristics of modest viscosity, the tough and tensile and high resilience of glued membrane, and water tolerance, scrubbing resistance and alkali resistance are good; The RS-2709 that is all the said firm's production is a kind of high performance pure acrylic acid ester emulsion, since on its propenoic acid main chain grafting have an adhesion promotion monomer of epoxide group, make its coatings formulated have fabulous wet viscous force and dried sticking power, have extensive applicability; The BLJ-818 that Shanghai Bao Lijia chemical industry company limited produces is a kind of ACRYLIC EMULSION, has fabulous Calcium ion stability, dilution stability, mechanical stability and freeze-thaw stability; The organosilicon crylic acid latex KD-8 emulsion that the chemical company limited of national starch produces, belong to organosilicon-acrylate copolymer emulsion, no saponification, microemulsified, self-crosslinking polymerization technique have been adopted, have silane group in the system, filming has excellent hydrophobic function and to the extraordinary sticking power of base material, and formation fine and close tough and tensile filmed very good to water, gas, ionic shielding; The RS-996KD of Ahmedabad richness also is a kind of organosilicon-acrylate copolymer emulsion, by compounding technology polymerization technique synthesizing organo-silicon-acrylate copolymer emulsion, has excellent weathering resistance and anti-after tackiness.
Rust-stabilising pigment is a composite iron-titanium powder, is carrier with polyphosphoric acid titanium or polyphosphoric acid iron, one or more in compound silica-based, titanium base, iron-based oxide compound and the yttrium oxide nano-powder.It is to be carrier with treated composite oxides and metallic salt for the composite iron-titanium powder of producing as Wuxi Wanda Science and Technology Ltd. (WD-S-400), introduce the high-performance rust-stabilising pigment that composite superfine powder is made, by powder surface is handled, pigment and organic base-material bonding force are strengthened, the composite superfine powder body of Yin Ruing and the small-size effect and the surface effects that produce in addition, can improve the compactness of paint film, reduce the corrosive medium permeable greatly, intercept the erosion to steel surface such as water molecules, oxygen effectively; It is adopting materials such as calcium salt, magnesium salts, zinc oxide, titanium oxide, titanium polymers through serial chemical reaction that Kweiyang section newly should change I-H-Z-III-C type rust-stabilising pigment that factory produces, filters, oven dry, pulverizes, and through chemical conversion treatment, calcining is pulverized and got; The aluminium triphosphate rust-stabilising pigment of Guangxi Chemical Inst.'s development; The rust-stabilising pigment of the zinc phosphate series that Hong Kong strength brightness chemical company sells all has rustless property preferably.
Described reflection-type color stuffing is one or more in anatase titanium dioxide or Rutile type Titanium Dioxide, talcum powder, barium sulfate, sericite and the lime carbonate.Anatase thpe white powder BA-0101 as the production of Guangxi Xing Meixiang titanium dioxide company limited, be white powder, water insoluble, no physiology toxicity, stable chemical performance, Rutile type Titanium Dioxide (SR-237) as Shandong Dongjia Group Co., Ltd.'s production, the surface is through silicon, has remarkable pigment performance after aluminium coating and the organic process, whiteness, brightness, good luster, opacifying power, reducing power and mobile strong, good dispersity, have splendid weathering resistance and resistance to chalking energy, be used in the color that to regulate coating in the static electricity conductive anticorrosive paint in the light water-based jar, be applied to finish paint; The R-706 that also has du pont company, the TR-92 of Malaysian Hensel Man, and the products such as CR-826, R-KB-6 of U.S. fine jade company of section.The sericite appearance that Chuzhou Chu sericite factory produces is satin luster, feel is fine and smooth lubricated, chemicals-resistant corrodibility is strong, its sheet structure can effectively delay the infiltration of corrosive medium to base material, ultraviolet ray had splendid shielding effect, the radiant ratio that metal during forms itself and nonmetal oxide can also improve coating realizes radiation refrigeration.
Tiny balloon is hollow ceramic microspheres and/or hollow glass micropearl, and it is that a kind of diameter is the hollow ball of 1-10 μ m, belongs to ceramic.Minnesota Mining and Manufacturing Company can provide the hollow glass micro-ball that meets technical requirements fully, and its product K 1, S38, S60 outward appearance are pure white, and dispersion flows is good, and granularity is moderate, hollow, and wall thickness is the 8-10% of its diameter.Hardness height, light weight, water-fast, corrosion-resistant, nontoxic, radioprotective, sound insulation can be used for doing in the environment-friendly type coating thermal insulating filling and use.
Waterborne nano slurry is water nano ATO slurry, water nano zirconium white slurry, water nano alumina slurry etc.The slurry that the present invention can provide with following enterprise: the water-based ATO slurry that Shanghai Huzheng Nano-Tech Co., Ltd. produces, effective concentration reaches more than 50%; The nano ATO water paste that China Shipbuilding Industry Corporation the 7th two or five researchs and produces; Water nano zirconium white slurry, nano oxidized aluminum slurry that Hangzhou ten thousand scape novel material company limiteds produce; Nano zircite, nano aluminium oxide and water paste product thereof that chin or cheek logical novel material company limited in Shandong produces.
The agent of described anti-sudden strain of a muscle rust is one or more in volatile salt, Sodium Benzoate, Sodium Nitrite, water glass, sodium phosphate and the trolamine.The agent of anti-sudden strain of a muscle rust is that a kind of metal initial stage burn into that can stop prevents that the functional aid of rust from appearring dodging in the metallic surface, anti-sudden strain of a muscle rust agent (SER-AD FA179) as the sale of Yongfeng, Zhongshan city chemical industry company limited, with the Sodium Benzoate is main component, be to be used for the effective liquid of water-borne coatings to dodge corrosion inhibitor, can prevent to dodge erosion and get rusty in early days.Available following product: the anti-sudden strain of a muscle rust agent (raybo60-NoRust) that the U.S. auspicious precious auxiliary agent company produces, with the volatile salt is the gas phase anticorrosive agent of main component and the mixture of contact anticorrosive agent, can on metal, become rusty in anti-wink in the spendable latex system, also can provide anti-corrosion protection the can of lining; The strong affinity of SER-AD FA 179 molecules and iron ground is guaranteed to produce the instant effect of corrosion inhibition at once behind the coating application, therefore SER-AD FA 179 can effectively suppress the sudden strain of a muscle rust phenomenon that the water-borne coatings on the irony ground occurs in drying process, and the metal complex that forms in the coating drying process can cause SER-AD FA 179 water miscible reductions.Under general condition, most SER-AD FA 179 can be transformed into water-insoluble complex compound after drying, the activity that the full thing of this network still keeps long-acting sudden strain of a muscle corrosion inhibitor to possess.In addition, different with inorganic water-soluble sudden strain of a muscle rust inhibitor is that this water-insoluble complex compound can not influence the water sensitivity of dry coating film; The also anti-sudden strain of a muscle rust of water-based dissolubility neutral mediums such as the Sodium Nitrite of available homemade technical grade, water glass, sodium phosphate, trolamine agent.
Wetting dispersing agent A is one of block macromolecular multipolymer, polyvalent carboxylic acid's salt base polymer, synthetic macromolecule base polymer or multiple being mixed, and its effect is that rust-stabilising pigment and light-colored conductive fillers dispersed are even, makes its stable existence in system.Wherein, the block macromolecular multipolymer, as: Solsperse 12000, the Solsperse20000 of Disperbyk180, the Disperbyk181 of the Hydropalat 3275 of Shenzhen Hai Chuan chemical industry company limited, Hydropalat 1080, German BYK chemical company, Disperbyk184, Disperbyk190, Disperbyk191, Britain Avecia company, Solsperse27000 etc.; Polyvalent carboxylic acid's salt base polymer, as: the Orotan 731A of SN-5027, the SN-5034 of Shenzhen Hai Chuan chemical industry company limited, SN-5040, U.S. Rhom and Hass; The synthetic macromolecule base polymer, as: DP512, the DP518 of the Hydropalat 3204 of Shenzhen Hai Chuan chemical industry company limited, Hydropalat 759, Hydropalat 100, the modest company of Taiwan moral, Orotan 1124, the Orotan1288 etc. of U.S. Rhom and Hass.
Wetting dispersing agent B is one of anionic wetting agent, non-ionic wetting agent or multiple being mixed, its effect is the surface tension of reduction system, the enhancing coating is wetting to base material, improve sticking power, improve the levelling property of system simultaneously, the unfairness phenomenon that elimination is filmed helps the oriented alignment of metalluster pigment.Wherein, the anionic wetting agent comprises: dialkyl group (octyl group, hexyl, butyl) sulfosuccinate, sodium alkyl naphthalene sulfonate, the Viscotrol C hydrosulfate, sodium laurylsulfonate, the sulfuric acid laurel tallow, oleic acid butyl ester hydrosulfate etc., Hydropalat 875 as Shenzhen Hai Chuan chemical industry company limited, Nopcowet50 etc., or non-ionic wetting agent, comprise: alkylphenol polyoxyethylene, the alkyl alcohol Soxylat A 25-7, the polyxyethylated ester of ethylene glycol, the ethylene glycol polyoxyethylene alkylaryl ether, acetylene ethylene glycol etc., as the X-405 of U.S. Rhom and Hass, the PE-100 of Shenzhen Hai Chuan chemical industry company limited, Hydropalat 436 etc.
Thickening material is a non-ionic hydrophobic modified polyurethane segmented copolymer, contain hydrophilic radical and hydrophobic grouping on its molecular chain simultaneously, can be simultaneously the water thickening and with the polymer emulsion associative thickening, can be composite with non-ionic hydrophobic modified polyurethane segmented copolymer, as: the Optiflo H 400 of southern chemical company and Optiflo H 600, the DSX 3116 of Shenzhen Hai Chuan chemical industry company limited and DSX 3290, UN-643 of Beijing Futesi Chemical Technology Co., Ltd. and UN-641, the ET-605 of dimension Hong Kongnization worker company limited, the RM-2020 of U.S.'s ROHM AND HAAS, RM-8W etc., its effect is good levelling property of the system of giving and sag resistance, thereby makes coating have good preservation performance and workability.
Described anti-settling agent is for covering holder soil and/or gas phase SiO 2
Other auxiliary agents such as film coalescence aid, flow agent, defoamer are auxiliary agent commonly used in the water-borne coatings production.
Described nanometer compound water-based heat insulation anticorrosion paint used for metal constitutes weight percentages of components and takes by weighing each component respectively, and prepares with processing condition as follows:
1) under 100-400r/min rotating speed agitation condition, add tap water, wetting dispersing agent A0.3-0.5%, wetting dispersing agent B0.1-0.2%, defoamer 0.1-0.15%, the mould inhibitor 0.1-0.2% of 10-14% successively, stir 10min; Under the 600-800r/min rotating speed stirs, add anti-settling agent 0.1-0.2%, composite iron-titanium powder 4-6%, titanium dioxide 8%-11%, sericite 5-7%, be under the 4500-5000r/min at rotating speed then, high speed dispersion 30min, arrive below the 40um until fineness, under 100-400r/min rotating speed agitation condition, stir 10min, promptly make pigment slurry;
2) under 400-500r/min rotating speed agitation condition, in above-mentioned pigment slurry, add waterborne nano slurry 1-5% and stir 10min, add aqueous acrylic emulsion 55-58%, add hollow glass micropearl 5-7% again, dispersed with stirring 20min, cenosphere is fully disperseed, reduce rotating speed to 300-400r/min, add defoamer 0.1-0.15%, stir the 10min part bubble that the dispersion cenosphere produces that disappears, add film coalescence aid 2-3% successively, frostproofer 1-2%, flow agent 0.1-0.2%, the anti-rust agent 0.1-0.5% that dodges, thickening material 0.3-0.5%, stirring gets final product, and makes nanometer compound water-based heat insulation anticorrosion paint used for metal.
The construction technology of nanometer compound water-based heat insulation anticorrosion paint of the present invention is as follows: because the bonding force that depends on protection against corrosion construction quality, particularly coating and matrix work-ing life to a great extent of metal vessel is closely related with the surface treatment quality of container.Rust cleaning quality having the greatest impact in rust cleaning quality, coat-thickness and execution conditions factors to whole coating quality and pipeline, container work-ing life.It is generally acknowledged that the surface treatment quality accounts for 50% of whole influence factor, coat-thickness accounts for 19%, and coating type accounts for 5%, and construction environment accounts for 26%.Long term production proves, rust cleaning matter is measured more ropy or without long 3~5 times of work-ing life of the coating of processing of rust removing than rust cleaning.Before the construction, preferably derusting by sandblast is carried out on the surface of constructing, derusting grade reaches the Sa2.5 level of GB/T 8923 regulations.Then anti-corrosion primer and prepared anticorrosive heat insulating finish paint are respectively brushed 2 roads, thickness is controlled in totally four roads well.
With respect to prior art, the present invention has following advantage:
1) product of gained of the present invention belongs to a kind of environment-friendly type aqueous heat insulating and corrosion erosion coating; excellent heat-proof quality and Corrosion Protection have been had concurrently; can be applicable to facilities such as storage equipment that metallic substance makes, petrochemical equipment, storage roof; when metal is carried out anti-corrosion protection; improve the heat-proof quality of facility, saved the energy.
2) corrosion-inhibiting pigment, cenosphere and water nano function slurry are made up, in the water-base resin system, carry out reasonably combined, realize the multifunction of water-based, also promoted simultaneously the protection against corrosion, thermal insulation of water-borne coatings, many-sided performance such as acidproof, alkaline-resisting.
3) construction of the product of gained of the present invention is simple and convenient, and directly water is brushed or spraying application in the metallic surface as thinner.
Embodiment
The invention will be further described below in conjunction with embodiment, but the present invention claimed scope be not limited to the scope of embodiment statement.Unless outside specializing among the present invention, the related per-cent of embodiment all is weight percentage.
Embodiment 1:
A kind of composition of raw materials of nanometer compound water-based heat insulation anticorrosion paint used for metal is: tap water 14Kg (14%), aqueous acrylic emulsion (RS-998A, Shuande, the Guangdong well-off industry of Ahmedabad company limited) 55Kg (55%), composite iron-titanium powder (WD-S-400, Wuxi Wanda Science and Technology Ltd.) 5Kg (5%), Rutile type Titanium Dioxide (SR-237, Shandong Dongjia Group Co., Ltd.) 8Kg (8%), sericite (1250 order sericites, the imperial sericite of Chuzhou City literary composition company limited) 5Kg (5%), hollow glass micropearl (K1, Minnesota Mining and Manufacturing Company) 5Kg (5%), water nano zirconium white slurry (the logical novel material company limited of Shandong chin or cheek) 2Kg (2%), anti-settling agent (BYK-420, Germany BYK chemical company) 0.1Kg (0.1%), mould inhibitor (EPW, Canada Nuo De company) 0.1Kg (0.1%), wetting dispersing agent A (SN-5040, Shenzhen Hai Chuan chemical industry company limited) 0.3Kg (0.3%), wetting dispersing agent B (X-405, U.S. Rhom and Hass) 0.1Kg (0.1%), frostproofer (propylene glycol, Guangzhou auspicious maple Chemical Industry Science Co., Ltd) 1.5Kg (1.5%), film coalescence aid (Texanol, U.S. Eastman company) 2.7Kg (2.7%), the anti-rust agent (raybo60-NoRust that dodges, the U.S. auspicious precious auxiliary agent company) 0.5Kg (0.5%), thickening material A (RM-2020, U.S. Rhom and Hass) 0.2Kg (0.2%), thickening material B (RM-8W, U.S. Rhom and Hass) 0.2Kg (0.2%), defoamer A (FoamStar A34, Shenzhen Hai Chuan chemical industry company limited) 0.1Kg (0.1%), defoamer B (681F, Luo Diya) 0.1Kg (0.1%), flow agent (BYK-346, German BYK chemical company) 0.1Kg (0.1%).The preparation method is as follows:
1) under 100r/min rotating speed agitation condition, add 14% tap water, wetting dispersing agent A0.3%, wetting dispersing agent B0.1%, defoamer A 0.1%, mould inhibitor 0.1% successively, stir 10min; Under the 800r/min rotating speed stirs, add anti-settling agent 0.1%, composite iron-titanium powder 5%, titanium dioxide 8%, sericite 5%, be under the 5000r/min at rotating speed then, high speed dispersion 30min, arrive below the 40 μ m until fineness, under 400r/min rotating speed agitation condition, stir 10min, promptly make pigment slurry;
2) under 500r/min rotating speed agitation condition, in above-mentioned pigment slurry, add waterborne nano slurry 2% and stir 10min, add aqueous acrylic emulsion 55%, add hollow glass micropearl 5% again, dispersed with stirring 20min, cenosphere is fully disperseed, reduce rotating speed to 300r/min, add defoamer B 0.1%, stir the 10min part bubble that the dispersion cenosphere produces that disappears, add film coalescence aid 2.7% successively, frostproofer 1.5%, flow agent 0.1%, the agent 0.5% of anti-sudden strain of a muscle rust, thickening material A 0.2%, thickening material B 0.2%, stirring gets final product, and makes nanometer compound water-based heat insulation anticorrosion paint used for metal.
The nanometer compound water-based heat insulation anticorrosion paint used for metal performance that makes is as shown in table 1.
Embodiment 2:
A kind of composition of raw materials of nanometer compound water-based heat insulation anticorrosion paint used for metal is: tap water 10Kg (10%), aqueous acrylic emulsion (RS-2709, Shuande, the Guangdong well-off industry of Ahmedabad company limited) 56Kg (56%), composite iron-titanium powder (WD-S-400, Wuxi Wanda Science and Technology Ltd.) 5Kg (5%), Rutile type Titanium Dioxide (R-KB-6, U.S. Ke Meiqi company) 9.5Kg (9.5%), sericite (1250 order sericites, the imperial sericite of Chuzhou City literary composition company limited) 5.5Kg (5.5%), hollow glass micropearl (S60, Minnesota Mining and Manufacturing Company) 7Kg (7%), water nano zirconium white slurry (the logical novel material company limited of Shandong chin or cheek) 2Kg (2%), anti-settling agent (BYK-420, Germany BYK chemical company) 0.2Kg (0.2%), mould inhibitor (EPW, Canada Nuo De company) 0.1Kg (0.1%), wetting dispersing agent A (SN-5040, Shenzhen Hai Chuan chemical industry company limited) 0.3Kg (0.3%), wetting dispersing agent B (X-405, U.S. Rhom and Hass) 0.1Kg (0.1%), frostproofer (propylene glycol, Guangzhou auspicious maple Chemical Industry Science Co., Ltd) 2Kg (2%), film coalescence aid (Texanol, U.S. Eastman company) 2.3Kg (2.3%), the anti-rust agent (FA-179 that dodges, Yongfeng, Zhongshan city chemical industry company limited) 0.2Kg (0.2%), thickening material A (RM-2020, U.S. Rhom and Hass) 0.2Kg (0.2%), thickening material B (RM-8W, U.S. Rhom and Hass) 0.3Kg (0.3%), defoamer A (FoamStarA34, Shenzhen Hai Chuan chemical industry company limited) 0.1Kg (0.1%), defoamer B (1340, Japan Nuo Puke) 0.1Kg (0.1%), flow agent (BYK-346, German BYK chemical company) 0.1Kg (0.1%).The preparation method is as follows:
1) under 400r/min rotating speed agitation condition, add 10% tap water, wetting dispersing agent A0.3%, wetting dispersing agent B0.1%, defoamer A0.1%, mould inhibitor 0.1% successively, stir 10min; Under the 600r/min rotating speed stirs, add anti-settling agent 0.2%, composite iron-titanium powder 5%, titanium dioxide 9.5%, sericite 5.5%, be under the 4500r/min at rotating speed then, high speed dispersion 30min, arrive below the 40 μ m until fineness, under 100r/min rotating speed agitation condition, stir 10min, promptly make pigment slurry;
2) under 400r/min rotating speed agitation condition, in above-mentioned pigment slurry, add waterborne nano slurry 2% and stir 10min, add aqueous acrylic emulsion 56%, add hollow glass micropearl 7% again, dispersed with stirring 20min, cenosphere is fully disperseed, reduce rotating speed to 400r/min, add defoamer B0.1%, stir the 10min part bubble that the dispersion cenosphere produces that disappears, add film coalescence aid 2.3% successively, frostproofer 2%, flow agent 0.1%, the agent 0.2% of anti-sudden strain of a muscle rust, thickening material A0.2%, thickening material B0.3%, stirring gets final product, and makes nanometer compound water-based heat insulation anticorrosion paint used for metal.
The nanometer compound water-based heat insulation anticorrosion paint used for metal performance that makes is as shown in table 1.
Embodiment 3:
A kind of composition of raw materials of nanometer compound water-based heat insulation anticorrosion paint used for metal is: tap water 10Kg (10%), aqueous acrylic emulsion (BLJ-818, Shanghai Bao Lijia chemical industry company limited) 55Kg (55%), composite iron-titanium powder (WD-S-400, Wuxi Wanda Science and Technology Ltd.) 6Kg (6%), Rutile type Titanium Dioxide (CR-826, U.S. Ke Meiqi company) 11Kg (9%), sericite (1250 order sericites, the imperial sericite of Chuzhou City literary composition company limited) 5Kg (5%), hollow glass micropearl (S38, Minnesota Mining and Manufacturing Company) 6Kg (6%), water nano zirconium white slurry (the logical novel material company limited of Shandong chin or cheek) 2Kg (2%), anti-settling agent (BYK-420, Germany BYK chemical company) 0.1Kg (0.1%), mould inhibitor (EPW, Canada Nuo De company) 0.1Kg (0.1%), wetting dispersing agent A (731A, U.S. Rhom and Hass) 0.5Kg (0.5%), wetting dispersing agent B (X-405, U.S. Rhom and Hass) 0.1Kg (0.1%), frostproofer (propylene glycol, Guangzhou auspicious maple Chemical Industry Science Co., Ltd) 1.5Kg (1.5%), film coalescence aid (Texanol, U.S. Eastman company) 2Kg (2%), the anti-rust agent (Sodium Nitrite that dodges, the Shanghai Xiang is pleased Industrial Co., Ltd.) 0.1Kg (0.1%), thickening material A (RM-2020, U.S. Rhom and Hass) 0.2Kg (0.2%), thickening material B (RM-8W, U.S. Rhom and Hass) 0.1Kg (0.1%), defoamer A (1350, Japanese Nuo Puke) 0.1Kg (0.1%), defoamer B (1340, Japan Nuo Puke) 0.1Kg (0.1%), flow agent (BYK-346, German BYK chemical company) 0.1Kg (0.1%).The preparation method is as follows:
1) under 200r/min rotating speed agitation condition, add 10% tap water, wetting dispersing agent A0.5%, wetting dispersing agent B0.1%, defoamer A0.1%, mould inhibitor 0.1% successively, stir 10min; Under the 700r/min rotating speed stirs, add anti-settling agent 0.1%, composite iron-titanium powder 6%, titanium dioxide 11%, sericite 5%, be under the 4800r/min at rotating speed then, high speed dispersion 30min, arrive below the 40 μ m until fineness, under 200r/min rotating speed agitation condition, stir 10min, promptly make pigment slurry;
2) under 450r/min rotating speed agitation condition, in above-mentioned pigment slurry, add waterborne nano slurry 2% and stir 10min, add aqueous acrylic emulsion 55%, add hollow glass micropearl 6% again, dispersed with stirring 20min, cenosphere is fully disperseed, reduce rotating speed to 350r/min, add defoamer A0.1%, stir the 10min part bubble that the dispersion cenosphere produces that disappears, add film coalescence aid 2% successively, frostproofer 1%, flow agent 0.1%, the agent 0.1% of anti-sudden strain of a muscle rust, thickening material A0.2%, thickening material B0.1%, stirring gets final product, and makes nanometer compound water-based heat insulation anticorrosion paint used for metal.
The nanometer compound water-based heat insulation anticorrosion paint used for metal performance that makes is as shown in table 1.
Embodiment 4:
A kind of composition of raw materials of nanometer compound water-based heat insulation anticorrosion paint used for metal is: tap water 10Kg (10%); aqueous acrylic emulsion (KD-8; national starch) 58Kg (58%); composite iron-titanium powder (WD-S-400; Wuxi Wanda Science and Technology Ltd.) 4Kg (4%); Rutile type Titanium Dioxide (CR-826; U.S. Ke Meiqi company) 8Kg (8%); sericite (1250 order sericites; the imperial sericite of Chuzhou City literary composition company limited) 7Kg (7%); hollow glass micropearl (S38; Minnesota Mining and Manufacturing Company) 6Kg (6%); water nano ATO slurry (Shanghai Huzheng Nano-Tech Co., Ltd.) 1Kg (1%); anti-settling agent (BYK-420; Germany BYK chemical company) 0.15Kg (0.15%); mould inhibitor (EPW; Canada Nuo De company) 0.15Kg (0.15%); wetting dispersing agent A (731A; U.S. Rhom and Hass) 0.5Kg (0.5%); wetting dispersing agent B (X-405; U.S. Rhom and Hass) 0.2Kg (0.2%); frostproofer (propylene glycol; Guangzhou auspicious maple Chemical Industry Science Co., Ltd) 1Kg (1%); film coalescence aid (Texanol; U.S. Eastman company) 3Kg (3%); the anti-rust agent (Sodium Nitrite that dodges; the Shanghai Xiang is pleased Industrial Co., Ltd.) 0.1Kg (0.1%), thickening material A (RM-2020, U.S. Rhom and Hass) 0.2Kg (0.2%); thickening material B (RM-8W; U.S. Rhom and Hass) 0.2Kg (0.2%), defoamer A (FoamStar A34, Shenzhen Hai Chuan chemical industry company limited) 0.15Kg (0.1%); defoamer B (1340; Japan Nuo Puke) 0.15Kg (0.15%), flow agent (BYK-346, German BYK chemical company) 0.2Kg (0.2%).The preparation method is as follows:
1) under 300r/min rotating speed agitation condition, add 10% tap water, wetting dispersing agent A0.5%, wetting dispersing agent B0.2%, defoamer A0.1%, mould inhibitor 0.15% successively, stir 10min; Under the 800r/min rotating speed stirs, add anti-settling agent 0.15%, composite iron-titanium powder 4%, titanium dioxide 8%, sericite 7%, be under the 5000r/min at rotating speed then, high speed dispersion 30min, arrive below the 40 μ m until fineness, under 200r/min rotating speed agitation condition, stir 10min, promptly make pigment slurry;
2) under 400r/min rotating speed agitation condition, in above-mentioned pigment slurry, add waterborne nano slurry 1% and stir 10min, add aqueous acrylic emulsion 58%, add hollow glass micropearl 6% again, dispersed with stirring 20min, cenosphere is fully disperseed, reduce rotating speed to 360r/min, add defoamer A0.1%, stir the 10min part bubble that the dispersion cenosphere produces that disappears, add film coalescence aid 3% successively, frostproofer 1%, flow agent 0.2%, the agent 0.1% of anti-sudden strain of a muscle rust, thickening material A0.2%, thickening material B0.2%, stirring gets final product, and makes nanometer compound water-based heat insulation anticorrosion paint used for metal.
The nanometer compound water-based heat insulation anticorrosion paint used for metal performance that makes is as shown in table 1.
Embodiment 5:
A kind of composition of raw materials of nanometer compound water-based heat insulation anticorrosion paint used for metal is: tap water 11Kg (11%), aqueous acrylic emulsion (996KD, Shuande, the Guangdong well-off industry of Ahmedabad company limited) 55Kg (55%), composite iron-titanium powder (WD-S-400, Wuxi Wanda Science and Technology Ltd.) 4Kg (4%), Rutile type Titanium Dioxide (SR-237, Shandong Dongjia Group Co., Ltd.) 8Kg (8%), sericite (1250 order sericites, the imperial sericite of Chuzhou City literary composition company limited) 6Kg (6%), hollow glass micropearl (S60, Minnesota Mining and Manufacturing Company) 6Kg (6%), water nano alumina slurry (Hangzhou ten thousand scape novel material company limiteds) 5Kg (5%), anti-settling agent (BYK-420, Germany BYK chemical company) 0.1Kg (0.1%), mould inhibitor (EPW, Canada Nuo De company) 0.1Kg (0.1%), wetting dispersing agent A (SN-5040, Shenzhen Hai Chuan chemical industry company limited) 0.4Kg (0.4%), wetting dispersing agent B (X-405, U.S. Rhom and Hass) 0.15Kg (0.15%), frostproofer (propylene glycol, Guangzhou auspicious maple Chemical Industry Science Co., Ltd) 1Kg (1%), film coalescence aid (Texanol, U.S. Eastman company) 2Kg (2%), the anti-rust agent (raybo60-NoRust that dodges, the U.S. auspicious precious auxiliary agent company) 0.45Kg (0.45%), thickening material A (RM-2020, U.S. Rhom and Hass) 0.2Kg (0.2%), thickening material B (RM-8W, U.S. Rhom and Hass) 0.2Kg (0.2%), defoamer A (1350, Japanese Nuo Puke) 0.13Kg (0.13%), defoamer B (1340, Japan Nuo Puke) 0.12Kg (0.12%), flow agent (BYK-346, German BYK chemical company) 0.15Kg (0.15%).The preparation method is as follows:
1) under 300r/min rotating speed agitation condition, add 11% tap water, wetting dispersing agent A0.4%, wetting dispersing agent B0.15%, defoamer A0.13%, mould inhibitor 0.1% successively, stir 10min; Under the 800r/min rotating speed stirs, add anti-settling agent 0.1%, composite iron-titanium powder 4%, titanium dioxide 8%, sericite 6%, be under the 5000r/min at rotating speed then, high speed dispersion 30min, arrive below the 40 μ m until fineness, under 200r/min rotating speed agitation condition, stir 10min, promptly make pigment slurry;
2) under 500r/min rotating speed agitation condition, in above-mentioned pigment slurry, add waterborne nano slurry 5% and stir 10min, add aqueous acrylic emulsion 55%, add hollow glass micropearl 6% again, dispersed with stirring 20min, cenosphere is fully disperseed, reduce rotating speed to 400r/min, add defoamer B0.12%, stir the 10min part bubble that the dispersion cenosphere produces that disappears, add film coalescence aid 2% successively, frostproofer 1%, flow agent 0.15%, the agent 0.45% of anti-sudden strain of a muscle rust, thickening material A0.2%, thickening material B0.2%, stirring gets final product, and makes nanometer compound water-based heat insulation anticorrosion paint used for metal.
The nanometer compound water-based heat insulation anticorrosion paint used for metal performance that makes is as shown in table 1.
Table 1 is the result show; the every performance of nanometer compound water-based heat insulation anticorrosion paint used for metal of the present invention has has all met and exceeded the performance index of heat insulating and corrosion erosion coating; excellent heat-proof quality and Corrosion Protection have been had concurrently; and environment-protecting asepsis, directly water has good construction performance as thinner; can be applicable to metallic substance facilities such as storage equipment, petrochemical equipment, storage roof; when metal is carried out anti-corrosion protection, improve the heat-proof quality of facility, saved the energy.
The nanometer compound water-based heat insulation anticorrosion paint performance table that table 1 embodiment 1~5 is disposed

Claims (8)

1, a kind of nanometer compound water-based heat insulation anticorrosion paint used for metal, it is characterized in that, by weight percentage, this coating raw material prescription is made of following component: water 10-14%, aqueous acrylic emulsion 55-58%, rust-stabilising pigment 4-6%, reflective paint 13%-18%, tiny balloon 5-7%, wetting dispersing agent A0.3-0.5%, wetting dispersing agent B 0.1-0.3%, defoamer 0.2-0.3%, the anti-rust agent 0.1-0.5% that dodges, film coalescence aid 2-3%, frostproofer 1-2%, mould inhibitor 0.1-0.2%, waterborne nano slurry 1-5%, anti-settling agent 0.1-0.2%, flow agent 0.1-0.3% and thickening material 0.3-0.5%;
Described aqueous acrylic emulsion is styrene-propene acid copolymer emulsion, pure acrylic acid polymerized emulsion or organosilicon-acrylate copolymer emulsion;
Described wetting dispersing agent A is block macromolecular multipolymer, polyvalent carboxylic acid's salt base polymer and/or synthetic macromolecule base polymer;
Described wetting dispersing agent B is anionic wetting agent and/or non-ionic wetting agent;
Described thickening material is a non-ionic hydrophobic modified polyurethane segmented copolymer;
Described defoamer is mineral oils and/or silicone based defoamer;
Described waterborne nano slurry is water nano ATO slurry, water nano zirconium white slurry and/or water nano alumina slurry.
2, nanometer compound water-based heat insulation anticorrosion paint used for metal according to claim 1 is characterized in that: described tiny balloon is hollow ceramic microspheres and/or hollow glass micropearl.
3, nanometer compound water-based heat insulation anticorrosion paint used for metal according to claim 1, it is characterized in that: described rust-stabilising pigment is for being carrier with polyphosphoric acid titanium or polyphosphoric acid iron, the composite iron-titanium powder of one or more in compound silica-based, titanium base, iron-based oxide compound and the yttrium oxide nano-powder.
4, nanometer compound water-based heat insulation anticorrosion paint used for metal according to claim 1 is characterized in that: described rust-stabilising pigment is one or more in I-H-Z-III-C type rust-stabilising pigment, aluminium triphosphate rust-stabilising pigment and the zinc phosphate rust-preventive pigment.
5, nanometer compound water-based heat insulation anticorrosion paint used for metal according to claim 1 is characterized in that: described reflective paint is one or more in anatase titanium dioxide or Rutile type Titanium Dioxide, talcum powder, barium sulfate, sericite and the lime carbonate.
6, nanometer compound water-based heat insulation anticorrosion paint used for metal according to claim 1 is characterized in that: the agent of described anti-sudden strain of a muscle rust is one or more in volatile salt, Sodium Benzoate, Sodium Nitrite, water glass, sodium phosphate and the trolamine.
7, nanometer compound water-based heat insulation anticorrosion paint used for metal according to claim 1 is characterized in that: described anti-settling agent is for covering holder soil and/or gas phase SiO 2
8, a kind of method for preparing the described nanometer compound water-based heat insulation anticorrosion paint used for metal of claim 1 is characterized in that, comprises the steps and processing condition:
(1) under 100-400r/min rotating speed agitation condition, in the described coating raw material prescription of claim 1 gross weight, the tap water, wetting dispersing agent A0.3-0.5%, wetting dispersing agent B 0.1-0.2%, defoamer 0.1-0.15%, the mould inhibitor 0.1-0.2% that add 10-14% successively stir 10min; Under the 600-800r/min rotating speed stirs, add anti-settling agent 0.1-0.2%, rust-stabilising pigment 4-6%, reflection-type color stuffing 13-18%, be under the 4500-5000r/min at rotating speed then, high speed dispersion 30min, arrive below the 40 μ m until fineness, under 100-400r/min rotating speed agitation condition, stir 10min, promptly make pigment slurry;
(2) under 400-500r/min rotating speed agitation condition, in step (1) gained pigment slurry, add waterborne nano slurry 1-5% and stir 10min, add aqueous acrylic emulsion 55-58%, add hollow glass micropearl 5-7% again, dispersed with stirring 20min, cenosphere is fully disperseed, reduce rotating speed to 300-400r/min, add defoamer 0.1-0.15%, stir the 10min part bubble that the dispersion cenosphere produces that disappears, add film coalescence aid 2-3% successively, frostproofer 1-2%, flow agent 0.1-0.2%, the anti-rust agent 0.1-0.5% that dodges, thickening material 0.3-0.5%, stirring gets final product, and makes nanometer compound water-based heat insulation anticorrosion paint used for metal.
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