CN106366816A - Lengthened dipping paint longitudinal welded pipe waterborne dipping paint material formula and processing technology thereof - Google Patents

Lengthened dipping paint longitudinal welded pipe waterborne dipping paint material formula and processing technology thereof Download PDF

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Publication number
CN106366816A
CN106366816A CN201610778630.0A CN201610778630A CN106366816A CN 106366816 A CN106366816 A CN 106366816A CN 201610778630 A CN201610778630 A CN 201610778630A CN 106366816 A CN106366816 A CN 106366816A
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paint
water
formula
erw
dipping paint
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朱振发
李振西
康志君
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Jiangsu Zhen Zhen Automobile Equipment Material Co Ltd
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Jiangsu Zhen Zhen Automobile Equipment Material 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
    • C09D133/04Homopolymers or copolymers of esters
    • 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
    • C08K13/00Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/06Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
    • 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
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/04Carbon
    • 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
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/30Sulfur-, selenium- or tellurium-containing compounds
    • 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
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • 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
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • C08K3/346Clay
    • 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
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • C08K3/36Silica
    • 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
    • C08K9/00Use of pretreated ingredients
    • C08K9/04Ingredients treated with organic substances
    • 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
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/30Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045Sulfates

Abstract

The invention discloses a lengthened dipping paint longitudinal welded pipe waterborne dipping paint material formula and a processing technology thereof. The lengthened dipping paint longitudinal welded pipe waterborne dipping paint material is prepared from, by mass, 55%-60% of water-borne acrylate copolymerization emulsion, 10%-12.5% of deionized water, 6%-8% of an iron-titanium compound powder, 2%-3% of zinc phosphate, 2% of a corrosion inhibitor, 2.5% of sericite, 6%-8% of precipitated barium sulphate, 0.8% of bentonite, 0.4% of fumed silica, 2% of a flash-rust inhibitor, 1.2% of carbon black and 8.6-9.2% of various functional auxiliaries. The lengthened dipping paint longitudinal welded pipe waterborne dipping paint material formula has the advantages that the volatile organic compound content of the water-borne acrylate copolymerization emulsion is low in content, no pungent smell exists in the using process, the viscosity is low, the chain structure of a polymer can be adjusted through the minimum quantity of a solvent, the good wettability and adhesive force are achieved, the paint material is used for dipping paint, the paint is not crusted after being exposed for a long time, the water resistance and salt spray resistance are excellent, the high hardness and glossiness are achieved, and the primer-topcoat effect can be achieved.

Description

A kind of lengthening dipping lacquer ERW water paint material formula and its processing technique
Technical field
The invention belongs to technical field of metal material surface treatment is and in particular to a kind of lengthen the leaching of dipping lacquer ERW aqueouss Down formulation and its processing technique.
Background technology
Phosphatization and sandblasting are mainly still continued to use in the domestic at present rust cleaning that steel construction is included with all kinds of tubing, the pretreatment of oil removing The old technique of ball blast, not only dust is high, severe contamination air, and high cost, rust cleaning be not thorough.Domestic develop now Go out a kind of aqueous rust transforming agent (also known as aqueous rust transformation primer) and above-mentioned traditional old technique can be substituted.Aqueous rust turns Agent is to be formed with composite transformation agent collocation using modified aqueous acrylic resin dispersion, and product is white " milky " liquid, this The principle of product is, by composite transformation agent, rust is reduced into passivation composition, relies on acrylic dispersion to be attached to base material Surface forms a firmly fine and close big net, serves and can eliminate rust and the antirust two-in-one function of energy.Using this aqueous iron Transforming agent -- water logging paint not only can substitute traditional phosphatization, sandblasting Shot Blasting method to rust, and can solve traditional method Rust cleaning is not thoroughly and can cause the problem of secondary corrosion in a short time after rust cleaning.Become Vehicle mass reduction frame tube special The titanium micro-alloyed first-selection lengthening ERW external coating of bzl550 high-strength light, is that Vehicle mass reduction frame tube improves matter Amount, energy-saving and emission-reduction, the important leverage of environmental protection.
Content of the invention
In order to solve the above problems, the technical solution used in the present invention is as follows:
A kind of lengthening dipping lacquer ERW water paint material formula, mass percent: water-and acrylate copolymer emulsion 55- 60%, deionized water 10-12.5%, composite iron-titanium powder 6-8%, zinc phosphate 2-3%, corrosion inhibiter 2%, sericite 2.5%, precipitation Barium sulfate 8-6%, bentonite 0.8%, meteorological silicon dioxide 0.4%, anti-flash rusting agent 2%, white carbon black 1.2%, several functions auxiliary agent 8.6-9.2%.
Preferred mass percentage ratio: water-and acrylate copolymer emulsion 55.9%, deionized water 11%, composite iron-titanium powder 7%, Zinc phosphate 2.5%, corrosion inhibiter 2%, sericite 2.5%, blanc fixe 7%, bentonite 0.8%, meteorological silicon dioxide 0.4%, anti-flash rusting agent 2%, white carbon black 1.2%, several functions auxiliary agent 8.9%.
A kind of titanium micro-alloyed processing technique lengthening dipping lacquer ERW water paint material of bzl550 high-strength light, step is such as Under:
(1) stock dispersion: by formula metering, deionized water is put into reactor, start dispersion machine, control rotating speed 400- Wetting dispersing agent, defoamer, levelling agent, ph value regulator are put into by 600r/min successively, about dispersion 10-20 minute, stirring Press after dispersion formula ratio successively by rust resisting pigment, filler (blacking put into carbon powder, iron oxide red coating put into iron oxide red, its Its colors is needed by color and luster) slowly put into;
(2) grind making beating: after stock dispersion, start sand mill feeding engine, substantially fill after slip and open sand after mill cylinder Grinding machine, whole sand grinding process machine temperature control system (configuration cooling circulating water) below 35 DEG C, slip fineness < during 15um, stops grinding;
(3) paint: step (2) is obtained emulsion through 200 mesh net filtrations to kettle of sizing mixing, stirs;Slip is cooled to Less than 32 DEG C, in the state of emulsion stirring, slip is injected kettle of sizing mixing, divided with the rotating speed stirring 10-15 of 400r-500r/min Clock;By additive solubility in formula, such as coalescents, foam inhibitor, ph value regulator, anti-flash rusting agent, preservative etc. slowly puts into Slip kettle, stirs 20 minutes;
(4) feed liquid ripening: brewed for the every batch feed liquid completing is filtered through 300 mesh, all squeezes into high-order basin, circulation 20 minutes;At interval of 24 hours circulation primary, circulate 2-3 time, production process is fully completed;
(5) fill finished product: detect finished product before fill: viscosity applies -4 glasss of 25s ± 1, fineness≤20 μm, and ph value >=8.5 meet Above-mentioned requirements can filter fill through 300 mesh.
Preferably, rotating speed 500-600r/min in step (1), jitter time 20 minutes about, with obtain fully dispersed and Wetting effect.
Preferably, in step (2) sand grinding process, preferred machine temperature is 35 DEG C, slip fineness 15um.
Preferably, in step (3) ph value in 8.5-9, viscosity control apply -4 glasss of 22-23 seconds, < 20 μm of fineness.
Preferably, at interval of 24 hours circulation primary in step (4), circulate 3 times, production process is fully completed.
Preferably, in step (5), viscosity applies -4 glasss of 25s, 20 μm of fineness, ph value 8.5, filters fill through 300 mesh.
Advantages of the present invention:
(1) water-and acrylate copolymer emulsion content of volatile organic compound low, use during have no irritating odor, The low available minimal amount of solvent of viscosity adjusts the chain structure of polymer, has higher wellability and adhesive force, applies for dip-coating Material, exposed for a long time not skinning, water-fast and salt spray resistance is excellent, has higher hardness and gloss, enables bottom surface unification Effect;
(2) organic modified bentonite selected and meteorological silicon dioxide all belong to thixotropic anti-settling agent, and collocation uses above two Plant anti-settling agent, the thixotropic property of coating can be effectively increased and improve anti-settling and sag resistance, both ensure that bin stability, and Improve can workability;And take into account the compatibility between auxiliary agent and base material, the compatibility of color stuffing, auxiliary agent;
(3) adopt new technology before dipping lacquer and preheat to steel strip surface scale removal, rust and impurity, to naked official, Substantially increase bzl550 welded tube dipping lacquer quality, and these technological operations can be applied to other and need surface treatment and dipping lacquer Product;
(4) adopt the raw material such as composite iron-titanium powder, blanc fixe, sericite and several functions auxiliary agent through scientific formula and Fine synthesis, have captured and have lengthened the difficulty that metal pipe material is difficult to dip-coating, all real from paint vehicle configuration, blasting treatment, dipping lacquer processing Existing environmental protection, energy-conservation, reduction of discharging require, and form lightweight integrated technology chain.
Specific embodiment
A kind of lengthening dipping lacquer ERW water paint material formula, mass percent: water-and acrylate copolymer emulsion 55.9%, deionized water 11%, composite iron-titanium powder 7%, zinc phosphate 2.5%, corrosion inhibiter 2%, sericite 2.5%, sulfate precipitate Barium 7%, bentonite 0.8%, meteorological silicon dioxide 0.4%, anti-flash rusting agent 2%, white carbon black 1.2%, several functions auxiliary agent 8.9%.
A kind of titanium micro-alloyed processing technique lengthening dipping lacquer ERW water paint material of bzl550 high-strength light, step is such as Under:
(1) stock dispersion: by formula metering, deionized water is put into reactor, start dispersion machine, control rotating speed 400- Wetting dispersing agent, defoamer, levelling agent, ph value regulator are put into by 600r/min successively, about dispersion 10-20 minute, stirring Press after dispersion formula ratio successively by rust resisting pigment, filler (blacking put into carbon powder, iron oxide red coating put into iron oxide red, its Its colors is needed by color and luster) slowly put into;
(2) grind making beating: after stock dispersion, start sand mill feeding engine, substantially fill after slip and open sand after mill cylinder Grinding machine, whole sand grinding process machine temperature control system (configuration cooling circulating water) below 35 DEG C, slip fineness < during 15um, stops grinding;
(3) paint: step (2) is obtained emulsion through 200 mesh net filtrations to kettle of sizing mixing, stirs;
Slip is cooled to less than 32 DEG C, in the state of emulsion stirring, slip is injected kettle of sizing mixing, with 400r-500r/ The rotating speed stirring 10-15 minute of min;By additive solubility in formula, such as coalescents, foam inhibitor, ph value regulator, anti-flash rusting Agent, preservative etc. slowly put into slip kettle, stir 20 minutes;
(4) feed liquid ripening: brewed for the every batch feed liquid completing is filtered through 300 mesh, all squeezes into high-order basin, circulation 20 minutes;At interval of 24 hours circulation primary, circulate 2-3 time, production process is fully completed;
(5) fill finished product: detect finished product before fill: viscosity applies -4 glasss of 25s ± 1, fineness≤20 μm, and ph value >=8.5 meet Above-mentioned requirements can filter fill through 300 mesh.
Preferably, preferred rotating speed 500-600r/min in step (1), jitter time 20 minutes about, fully divided with obtaining Dissipate and wetting effect.
Preferably, in step (2) sand grinding process, preferred machine temperature is 35 DEG C, slip fineness 15um.
Preferably, in step (3) ph value in 8.5-9, viscosity control apply -4 glasss of 22-23 seconds, < 20 μm of fineness.
Preferably, at interval of 24 hours circulation primary in step (4), circulate 3 times, production process is fully completed.
Preferably, in step (5), viscosity applies -4 glasss of 25s, 20 μm of fineness, ph value 8.5, filters fill through 300 mesh.
Wherein:
The selection of emulsion: screen through a large amount of, a water-and acrylate copolymer emulsion of final choice has a following advantage: Its content of volatile organic compound is low, has no irritating odor during producing and using;It is low that this copolymer emulsion has a viscosity, Available minimal amount of solvent adjusts the chain structure of polymer, realizes the mesh of high solid on the premise of not sacrificing film performance Mark;Higher wellability and adhesive force, chemical resistance is good;For dip-coating paint, it is exposed in the air for a long time and does not tie Skin, provides convenience for construction;This copolymer emulsion is water-fast and salt spray resistance is excellent, has higher hardness and gloss, can be real The effect of existing bottom surface unification;Dried coating film is fast and does not return glutinous, stacks or lash packaging after being suitable for batch coating.
The selection of color stuffing: composite iron-titanium powder is the main body rust resisting pigment of this coating.Composite iron-titanium powder is by four oxidations Three-iron is carrier, and nano-powder is uniformly adhered on carrier be formed.The chemical antirust function of composite iron-titanium powder shows The phosphate radical of itself reacts generation phosphoric acid chromium-iron lignosulfonate with the iron atom on metal pipe material surface, and phosphoric acid chromium-iron lignosulfonate is attached to tube surfaces It is passivated into oxide-film, serve the effect stoping chemical attack;And nano powder physical ability improves the compactness of film, and can be formed Smooth and pin-free coating, can intercept hydrone, chloride ion, the erosion to tubing for the oxygen effectively.
Not only oil absorption is less for sericite, blanc fixe both inserts, and has good acid and alkali-resistance, heat-resisting Performance, has outstanding performance to preventing film cracking, the hardness of enhancing film and wearability.Pulvis Talci generally makes in water paint With, but Pulvis Talci oil absorption is larger, can increase the viscosity of coating.Dip-coating paint needs viscosity high because of construction, therefore in leaching Apply in coating and should not add Pulvis Talci.
The selection of auxiliary agent: bzl550 lengthens the length of metal pipe material typically at 6 meters or more than 6 meters, paint liquid after dip-coating Long flow path, therefore to coating can application property require more harsh.Bin stability, viscosity and the levelability of resolving product are It is related to the successful core technology of this product.The organic modified bentonite that this product is selected and meteorological silicon dioxide all belong to thixotropic and prevent Heavy agent, collocation uses both the above anti-settling agent, can be effectively increased the thixotropic property of coating and improve anti-settling and sag resistance, both Ensure that bin stability, improve can workability again.
Dip-coating paint is different from spraying, brush coating, and viscosity is almost 1/3rd of the latter.Viscosity height then has a strong impact on Levelling, causes the even appearance of coating uneven distribution to drip extension, teardrop, tear stains;Viscosity is too low, can affect to adhere to, cause cover light Or coating slips.Therefore, the natural levelling of distance should be completed, ensure certain adhesive force again, except to base material Careful selection, the collocation being more to rely on several functions auxiliary agent uses.In the research and development lengthening metal pipe material and batch production In, according to above-mentioned particular/special requirement, it is configured with multiple high-quality function additives.Such as froth breaking problem, coating is in process for preparation high speed Bubble all can be produced, the bubble that can produce for different periods is configured with to froth breaking, suppression in dispersion and stirring and work progress Bubble has the byk-024 defoamer of dual capability;Because the surface tension of water paint is higher, in addition to from powder wetting agent, Select the byk-346 moistening flatting agent to ground with excellent wettability;For another example, from the actual consideration of dip application, coating Surface drying is too fast, can affect levelling, causes to paint liquid choked flow, and coating surface drying can affect slowly construction excessively, selected for this two kinds with Upper alcohol ether, preferably can control film forming speed, and to preventing coating skinning from playing a role.
The compatibility of system will be fully taken into account in the selection of auxiliary agent, and that is, auxiliary agent and base material, the compatibility of color stuffing, also will take into account The mutual compatibility between auxiliary agent.For example wetting agent can produce certain stability to bubble, and the therefore selection of defoamer will be simultaneous Turn round and look at the ability of brokenly bubble and suds.
Through the careful selection to raw material and retrofit, lengthen metal pipe material aqueouss dip-coating paint and have been achieved with without weight Metal, no carcinogen, low voc discharge, environmentally safe, the environment protection requirement to healthy fanout free region.Film after dip-coating Uniform ground, has good hardness and gloss, and film adhesive is excellent, is not cracked, does not peel, and bend-resistance is strong, electric welding cutting No noxious gas emission, aging resistance, water resistance are excellent, and salt spray resistance can reach more than 120h it is adaptable to the dip-coating of all kinds of steel Anticorrosive coating.
Technical specification
Surface treatment: surface preparation refers to, before to the titanium micro-alloyed ERW dip-coating of bzl550 high-strength light, first need By steel band or steel tube surface scale removal, rust staining and impurity, just can ensure that adhesive force and the salt spray resistance of external coating. This programme be from macromolecule resin sand as abrasive material, adopt blasting craft, to bzl550 lengthen welded tube steel band carry out pre- place Reason, specific program is: by added for steel band → enter cold-rolled forming section equipment and carry out surface rolling preliminary roguing descale → enter Enter custom-designed abrasive blast equipment steel strip surface carried out with sandblasting roguing to derust descale → winding.After surface treatment Steel strip surface roughness reaches 1.6-2.5 micron, and uniform and smooth, does not damage metal surface, and pollution-free, no electrostatic, not firmly Change, adhesive force≤1 of dipping lacquer, salt spray resistance more than 120 hours.
Paint-dipping process: its flow scheme design of paint-dipping process is by pretreatment immersion trough, water paint immersion trough and baking room three part Composition includes:
1st, make hanging frame, every frame bridging specification, quantity needs suitably to allow some leeway according to welded tube specification, and with immersion trough phase Coupling;Must assure that during hanging frame design and leave spacing between welded tube, prevent from during control paint, producing obstruct and pile up, affect welded tube paint Face quality, and root, length is at 7 to 10 meters, and can regulate and control, and width needs to be designed according to yield, and hanging frame is hung to every Leave certain gap between material, can be impregnated with meeting every root bead pipe inside and outside wall dipping lacquer, and not stay extension trace.
2nd, configure immersion trough, according to the scale lengths of bzl550 welded tube, customize water paint material immersion trough, paint vehicle is poured into leaching Groove, then puts into immersion trough the bzl550 welded tube being seated on hanging frame and completely soaks 5-10 minute, treats that welded tube two does not have bubble, that is, Oblique for hanging frame slinging is hung on levelling frame in Kong Qi.
3rd, configure levelling frame, its width, length can determine according to welded tube specification, yield, but hanging frame shelved by levelling frame Plane must keep being not less than 45 degree of gradient, other two sides are at a right angle, and paint vehicle viscosity is high, levelling frame angle is little, then seriously Impact levelling, causes the even appearance of coating uneven distribution to drip extension, teardrop, tear stains;Viscosity is too low, can affect to adhere to, cause coating Cross thin or coating slippage.After tubing completes dip-coating, will hanging frame is oblique is seated on levelling frame, allow its natural levelling 10-15 minute, when not dripping paint phenomenon, you can hanging frame is hung on parallel orbit car and enters drying room drying or certainly dry.
4th, levelling tubing is advanced and dries baking room, initial temperature, at 35-40 DEG C, is then stepped up to 80 DEG C about, Run 10-15 minute can complete to dry, then release from drying room, take out welded tube and carry out packaging and warehousing.
If the 5, build does not reach user and requires (typically at 30-35 μm) after testing, can two times dip-coatings;Two times dip-coatings When one end of former hooking streamline should be changed to the other end.The coating layer thickness of whole tubing can be made relative according to said procedure dip-coating Uniformly reach 30 μm or more than 30 μm, the requirement to application for the client can be met.
Embodiment 1:
A kind of lengthening dipping lacquer ERW water paint material formula, mass percent: water-and acrylate copolymer emulsion 55- 60%, deionized water 10-12.5%, composite iron-titanium powder 6-8%, zinc phosphate 2-3%, corrosion inhibiter 2%, sericite 2.5%, precipitation Barium sulfate 8-6%, bentonite 0.8%, meteorological silicon dioxide 0.4%, anti-flash rusting agent 2%, white carbon black 1.2%, several functions auxiliary agent 8.6-9.2%.
A kind of titanium micro-alloyed processing technique lengthening dipping lacquer ERW water paint material of bzl550 high-strength light, step is such as Under:
(1) stock dispersion: by formula metering, deionized water is put into reactor, start dispersion machine, control rotating speed 500- Wetting dispersing agent, defoamer, levelling agent, ph value regulator are put into, disperse 20 minutes about by 600r/min successively, stirring point By rust resisting pigment, filler, (blacking puts into carbon powder, and iron oxide red coating puts into iron oxide red, other successively to press formula ratio after dissipating Colors are needed by color and luster) slowly put into;
(2) grind making beating: after stock dispersion, start sand mill feeding engine, substantially fill after slip and open sand after mill cylinder Grinding machine, whole sand grinding process machine temperature control system, at 35 DEG C, configures cooling circulating water, during slip fineness 15um, stops grinding;
(3) paint: step (2) is obtained emulsion through 200 mesh net filtrations to kettle of sizing mixing, stirs;
Slip is cooled to less than 32 DEG C, in the state of emulsion stirring, slip is injected kettle of sizing mixing, with 400r-500r/ The rotating speed stirring 10-15 minute of min;By additive solubility in formula, such as coalescents, foam inhibitor, ph value regulator, anti-flash rusting Agent, preservative etc. slowly put into slip kettle, stir 20 minutes, and in 8.5-9, viscosity controls in -4 glasss of 22-23 seconds of painting, fineness ph value <20μm;
(4) feed liquid ripening: brewed for the every batch feed liquid completing is filtered through 300 mesh, all squeezes into high-order basin, circulation 20 minutes;At interval of 24 hours circulation primary, circulate 3 times, production process is fully completed;
(5) fill finished product: detect finished product before fill: viscosity applies -4 glasss of 25s, 20 μm of fineness, ph value 8.5, meet above-mentioned wanting Ask and can filter fill through 300 mesh.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any Those of ordinary skill in the art disclosed herein technical scope in, the change or replacement that can readily occur in, all should contain Cover within protection scope of the present invention.Therefore, the protection model that protection scope of the present invention should be limited with claims Enclose and be defined.

Claims (8)

1. a kind of lengthen dipping lacquer ERW water paint material formula it is characterised in that mass percent: water-and acrylate is common Poly- emulsion 55-60%, deionized water 10-12.5%, composite iron-titanium powder 6-8%, zinc phosphate 2-3%, corrosion inhibiter 2%, sericite 2.5%, blanc fixe 8-6%, bentonite 0.8%, meteorological silicon dioxide 0.4%, anti-flash rusting agent 2%, white carbon black 1.2% is many Plant function additive 8.6-9.2%.
2. according to claim 1 a kind of lengthen dipping lacquer ERW water paint material formula it is characterised in that preferred matter Amount percentage ratio: water-and acrylate copolymer emulsion 55.9%, deionized water 11%, composite iron-titanium powder 7%, zinc phosphate 2.5%, delay Erosion agent 2%, sericite 2.5%, blanc fixe 7%, bentonite 0.8%, meteorological silicon dioxide 0.4%, anti-flash rusting agent 2%, White carbon black 1.2%, several functions auxiliary agent 8.9%.
3. the titanium micro-alloyed processing technique lengthening dipping lacquer ERW water paint material of a kind of bzl550 high-strength light, its feature exists As follows in step:
(1) stock dispersion: by formula metering, deionized water is put into reactor, start dispersion machine, control rotating speed 400-600r/ Wetting dispersing agent, defoamer, levelling agent, ph value regulator are put into by min successively, about dispersion 10-20 minute, dispersed with stirring By rust resisting pigment, filler, (blacking puts into carbon powder, and iron oxide red coating puts into iron oxide red, other each successively to press formula ratio afterwards Color is needed by color and luster) slowly put into;
(2) grind making beating: after stock dispersion, start sand mill feeding engine, substantially fill after slip and open sand mill after mill cylinder, Whole sand grinding process machine temperature control system (configuration cooling circulating water) below 35 DEG C, slip fineness < during 15um, stops grinding;
(3) paint: step (2) is obtained emulsion through 200 mesh net filtrations to kettle of sizing mixing, stirs;Slip is cooled to 32 DEG C Hereinafter, in the state of emulsion stirring, slip is injected kettle of sizing mixing, 10-15 minute is stirred with the rotating speed of 400r-500r/min;Will Additive solubility in formula, such as coalescents, foam inhibitor, ph value regulator, anti-flash rusting agent, preservative etc. slowly puts into slip Kettle, stirs 20 minutes;
(4) feed liquid ripening: brewed for the every batch feed liquid completing is filtered through 300 mesh, all squeezes into high-order basin, circulate 20 points Clock;At interval of 24 hours circulation primary, circulate 2-3 time, production process is fully completed;
(5) fill finished product: detect finished product before fill: viscosity applies -4 glasss of 25s ± 1, fineness≤20 μm, and ph value >=8.5 meet above-mentioned Requesting party can filter fill through 300 mesh.
4. a kind of bzl550 high-strength light according to claim 4 is titanium micro-alloyed lengthens dipping lacquer ERW water paint material Processing technique it is characterised in that: preferred rotating speed 500-600r/min in described step (1), jitter time 20 minutes about, with Obtain fully dispersed and wetting effect.
5. a kind of bzl550 high-strength light according to claim 4 is titanium micro-alloyed lengthens dipping lacquer ERW water paint material Processing technique it is characterised in that: in described step (2) sand grinding process preferred machine temperature be 35 DEG C, slip fineness 15um.
6. a kind of bzl550 high-strength light according to claim 4 is titanium micro-alloyed lengthens dipping lacquer ERW water paint material Processing technique it is characterised in that: in described step (3) ph value in 8.5-9, viscosity control apply -4 glasss of 22-23 seconds, fineness < 20μm.
7. a kind of bzl550 high-strength light according to claim 4 is titanium micro-alloyed lengthens dipping lacquer ERW water paint material Processing technique it is characterised in that: at interval of 24 hours circulation primary in described step (4), circulate 3 times, production process is whole Complete.
8. a kind of bzl550 high-strength light according to claim 4 is titanium micro-alloyed lengthens dipping lacquer ERW water paint material Processing technique it is characterised in that: in described step (5), preferred viscosity applies -4 glasss of 25s, 20 μm of fineness, and ph value 8.5, through 300 mesh Filter fill.
CN201610778630.0A 2016-08-31 2016-08-31 Lengthened dipping paint longitudinal welded pipe waterborne dipping paint material formula and processing technology thereof Pending CN106366816A (en)

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CN107141912A (en) * 2017-04-07 2017-09-08 河北晨阳工贸集团有限公司 Silver powder dipping lacquer of aqueous quick-drying anti-corrosion stable storing and preparation method thereof
CN107899909A (en) * 2017-11-09 2018-04-13 广州擎天材料科技有限公司 A kind of dipping process of iron machine part aqueous industrial anticorrosive paint
CN109321105A (en) * 2018-11-04 2019-02-12 广西南宁维防腐科技有限公司 A kind of reflective heat-insulation paint and preparation method thereof can be used for storage tank

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CN102618159A (en) * 2012-03-31 2012-08-01 广州集泰化工有限公司 Water-based polyurethane anticorrosive coating for containers and preparation method for coating
CN103834249A (en) * 2013-12-31 2014-06-04 上海福岛化工科技发展有限公司 Anti-flash-rust water-based acrylic acid iron red antirust priming paint and preparation method thereof
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CN109321105A (en) * 2018-11-04 2019-02-12 广西南宁维防腐科技有限公司 A kind of reflective heat-insulation paint and preparation method thereof can be used for storage tank

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Application publication date: 20170201