CN104140752B - The preparation method of steel structure special-purpose aqueous polyurethane tape rust rust-proofing primer - Google Patents
The preparation method of steel structure special-purpose aqueous polyurethane tape rust rust-proofing primer Download PDFInfo
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- CN104140752B CN104140752B CN201410213404.9A CN201410213404A CN104140752B CN 104140752 B CN104140752 B CN 104140752B CN 201410213404 A CN201410213404 A CN 201410213404A CN 104140752 B CN104140752 B CN 104140752B
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Abstract
The present invention proposes the preparation method of a kind of steel structure special-purpose aqueous polyurethane tape rust rust-proofing primer, comprise aqueous polyurethane dispersion 20-30%, ferric oxide red powder 10-15%, inhibiter 2-4%, compound phosphorus titanium valve 10-20%, ultrafine aluminium hydroxide 3-5%, environmental protection zinc phosphate 3-5%, process white 10-20%, auxiliary agent 2-3%, organobentonite 0.3-0.5%, solubility promoter 1-2%, deionized water 12.5-18.7%, film coalescence aid 1-2%; The cost not only having solved ball blast but also the pollution thoroughly solved environment, the complete environmental protection standard of the present invention, the quantity discharged of VOC is lower than 30, make use of inhibiter and metal " chelating " occurs to react simultaneously, and compound phosphorus titanium valve auxiliary under, salt spray resistance is promoted to 600 hours, comprehensive painting cost declines with oil-base paint greatly than existing, is a superior prod being applied to steel structure coating.This product is extensively used should in industries such as steel-structure factory building, Bridge Steel structure, engineering machinery, farm machinery, lathes.
Description
Technical field
The present invention relates to paint field, refer to the preparation method of a kind of steel structure special-purpose aqueous polyurethane tape rust rust-proofing primer especially.
Background technology
Along with people strengthen day by day to environmental protection consciousness; require also more and more stronger to the feature of environmental protection of coating products; on existing market, the steel construction manufacturer of 80% still adopts traditional oily antirust varniss; and the shot-blast apparatus that Meteorological is larger carries out Shot Blasting; thus reach antirust ability; but present this working method is very large to the harm of environment, personnel, consumes a large amount of human and material resources, compromises environment greatly and reached the object of product painting.
Summary of the invention
The present invention proposes the preparation method of a kind of steel structure special-purpose aqueous polyurethane tape rust rust-proofing primer, and the priming paint of making has the advantages that dry speed is fast, hardness is high, and have excellent sticking power to the steel got rusty, salt fog resistance can reach more than 600 hours.
Technical scheme of the present invention is achieved in that the preparation method of a kind of steel structure special-purpose aqueous polyurethane tape rust rust-proofing primer, comprises aqueous polyurethane dispersion 20-30%, ferric oxide red powder 10-15%, inhibiter 2-4%, compound phosphorus titanium valve 10-20%, ultrafine aluminium hydroxide 3-5%, environmental protection zinc phosphate 3-5%, process white 10-20%, auxiliary agent 2-3%, organobentonite 0.3-0.5%, solubility promoter 1-2%, deionized water 12.5-18.7%, film coalescence aid 1-2%;
Described production technique comprises: aqueous polyurethane dispersion, neutralizing agent add and stir and control pH value, add the organobentonite after deionized water, solubility promoter activation, add aqueous dispersant, water-based suds suppressor, the agent stirring of anti-sudden strain of a muscle rust, stir and add inhibiter, ferric oxide red powder, process white, compound phosphorus titanium valve, ultrafine aluminium hydroxide, environmental protection zinc phosphate, disperse and grind, add the water-based defoamer after dilution, water-based flow agent, aqueous wetting agent, antimildew disinfectant, then add film coalescence aid stirring; Adjustment spray viscosity, from dry, slaking after spraying, test salt spray resistance; Described auxiliary agent comprises: aqueous dispersant, water-based suds suppressor, water-based defoamer, water-based flow agent, aqueous wetting agent, the agent of anti-sudden strain of a muscle rust, neutralizing agent, antimildew disinfectant.
Described concrete technology is:
A. aqueous polyurethane dispersion, neutralizing agent are added employing 400-600 rev/min and stir 5-10 minute, test pH value, controls pH value between 8-9;
B. add after adopting deionized water, solubility promoter fully to be activated by organobentonite and produce in cylinder;
C. adopting deionized water to produce adding after aqueous dispersant, water-based suds suppressor, anti-sudden strain of a muscle rust dilution agent in cylinder, adopting 400-600 rev/min to stir 5-10 minute;
D. limit adopts 400-600 rev/min of stirring limit to add inhibiter, ferric oxide red powder, process white, compound phosphorus titanium valve, ultrafine aluminium hydroxide, environmental protection zinc phosphate, adopt 600-800 rev/min to disperse 15-20 minute, adopt sand mill to be ground to fineness and reach 50 microns;
E. deionized water is adopted to produce in cylinder by adding after water-based defoamer, water-based flow agent, aqueous wetting agent, antimycotic antiseptic dilution agent, add film coalescence aid, adopt 600-800 rev/min to stir 5-10 minute, test pH value, controls with neutralizing agent between 8-9 by pH value;
Dry plate realizes: directly adopt deionized-distilled water to carry out the adjustment of spray viscosity, spray viscosity is adjusted to 20-30S (NK-2 cup), spraying layer 2-3, dry plate is placed in 25 DEG C of thermostat containers and was detected traditional performance from dry 48 hours, slaking tested salt spray resistance after 7 days, and the dry plate film thickness of salt spray resistance controls at 90-100 μm.
Compared with prior art, the invention has the advantages that: a kind of aqueous polyurethane band rust rust-proofing primer is provided, the cost not only having solved ball blast but also the pollution thoroughly solved environment, the complete environmental protection standard of the present invention, the quantity discharged of VOC is lower than 30, make use of inhibiter and metal " chelating " occurs to react simultaneously, and compound phosphorus titanium valve auxiliary under, salt spray resistance is promoted to 600 hours, comprehensive painting cost declines with oil-base paint greatly than existing, is a superior prod being applied to steel structure coating.This product is extensively used should in industries such as steel-structure factory building, Bridge Steel structure, engineering machinery, farm machinery, lathes.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment:
Raw material is as follows:
Aqueous polyurethane dispersion (PU-608 Guangzhou hat will chemical industry)
Ferric oxide red powder (190 new capital chemical industry)
Compound phosphorus titanium valve (X-500 Changzhou crowd is general)
Ultrafine aluminium hydroxide (the prosperous industry chemical industry of 5000 order aluminium hydroxide)
Environmental protection zinc phosphate (PZ20 ring fine jade chemical industry)
Process white (3000 order ultra-fine barium sulfate Shanghai jump river)
Dispersion agent (PX4585 BASF)
Suds suppressor (river, A363 sea chemical industry)
Defoamer (NXZ section is peaceful)
Flow agent (57 this chemistry of sea inscription)
Wetting agent (440 U.S.'s gas)
Mould inhibitor (the outstanding bright material of DFX-1)
Inhibiter (petroleum sodium sulfonate refines the jade refining of 60# Wuxi)
Organobentonite (this chemistry of LT sea inscription)
Film coalescence aid (ethylene glycol monobutyl ether LG-DOW)
Auxiliary agent agent (ethylene glycol chemical industry shop)
Neutralizing agent (this chemistry of AMP-95 sea inscription)
Anti-sudden strain of a muscle rust agent (river, SJ-09 sea chemical industry)
Described auxiliary agent comprises: aqueous dispersant, water-based suds suppressor, water-based defoamer, water-based flow agent, aqueous wetting agent, the agent of anti-sudden strain of a muscle rust, neutralizing agent, antimildew disinfectant;
Its concrete proportioning is:
Table 1: the component A paint formula proportioning of embodiment 1 ~ embodiment 5
Preparation method is:
1, aqueous polyurethane dispersion, neutralizing agent are added employing 400-600 rev/min and stir 5-10 minute, test pH value, controls pH value between 8-9;
2, employing deionized water, solubility promoter add in production cylinder after fully being activated by organobentonite;
3, adopting deionized water to produce adding after aqueous dispersant, water-based suds suppressor, anti-sudden strain of a muscle rust dilution agent in cylinder, adopting 400-600 rev/min to stir 5-10 minute;
4, limit adopts 400-600 rev/min of stirring limit to add inhibiter, ferric oxide red powder, process white, compound phosphorus titanium valve, ultrafine aluminium hydroxide, environmental protection zinc phosphate, adopts 600-800 rev/min to disperse 15-20 minute.Adopt sand mill to be ground to fineness and reach 50 microns;
5, deionized water is adopted to produce in cylinder by adding after water-based defoamer, water-based flow agent, aqueous wetting agent, antimycotic antiseptic dilution agent, add film coalescence aid, adopt 600-800 rev/min to stir 5-10 minute, test pH value, controls pH value between 8-9 with neutralizing agent.
Performance test
Test method is: directly adopt deionized-distilled water to carry out being diluted to spray viscosity (20-30S, NK-2 cup), get salt spray resistance test steel plate and standard-bred mouth iron plate carry out phosphatization or grinding process, the aqueous polyurethane iron oxide red band mixed up rust rust-proofing primer is sprayed on material, salt spray resistance tested steel plate thickness controls at 90-100 micron thickness, on tinplate sheet, gauge control is at the thickness of 20-30 micron, after 48 hours do solid work completely, do all-round property testing, slaking tested salt spray resistance after 7 days.
Table 2: embodiment 1 ~ 5 dry plate the performance test results
The invention provides a kind of aqueous polyurethane band rust rust-proofing primer, the cost not only having solved ball blast but also the pollution thoroughly solved environment, the complete environmental protection standard of the present invention, the quantity discharged of VOC is lower than 30, make use of inhibiter and metal " chelating " occurs to react simultaneously, and compound phosphorus titanium valve auxiliary under, salt spray resistance is promoted to 600 hours, comprehensive painting cost declines with oil-base paint greatly than existing, is a superior prod being applied to steel structure coating.This product is extensively used should in industries such as steel-structure factory building, Bridge Steel structure, engineering machinery, farm machinery, lathes.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. a preparation method for steel structure special-purpose aqueous polyurethane tape rust rust-proofing primer, is characterized in that: comprise aqueous polyurethane dispersion 20-30%, ferric oxide red powder 10-15%, inhibiter 2-4%, compound phosphorus titanium valve 10-20%, ultrafine aluminium hydroxide 3-5%, environmental protection zinc phosphate 3-5%, process white 10-20%, auxiliary agent 2-3%, organobentonite 0.3-0.5%, solubility promoter 1-2%, deionized water 12.5-18.7%, film coalescence aid 1-2%;
Described preparation method comprises: aqueous polyurethane dispersion, neutralizing agent add stirring and control ph, add the organobentonite after deionized water, solubility promoter activation, add aqueous dispersant, water-based suds suppressor, the agent stirring of anti-sudden strain of a muscle rust, stir and add inhibiter, ferric oxide red powder, process white, compound phosphorus titanium valve, ultrafine aluminium hydroxide, environmental protection zinc phosphate, disperse and grind, add the water-based defoamer after dilution, water-based flow agent, aqueous wetting agent, antimildew disinfectant, then add film coalescence aid stirring; Adjustment spray viscosity, from dry, slaking after spraying, test salt spray resistance; Described auxiliary agent comprises: aqueous dispersant, water-based suds suppressor, water-based defoamer, water-based flow agent, aqueous wetting agent, the agent of anti-sudden strain of a muscle rust, neutralizing agent, antimildew disinfectant;
Described concrete preparation method is:
A. aqueous polyurethane dispersion, neutralizing agent are added employing 400-600 rev/min and stir 5-10 minute, test pH value, controls pH value between 8-9;
B. add after adopting deionized water, solubility promoter fully to be activated by organobentonite and produce in cylinder;
C. adopting deionized water to produce adding after aqueous dispersant, water-based suds suppressor, anti-sudden strain of a muscle rust dilution agent in cylinder, adopting 400-600 rev/min to stir 5-10 minute;
D. limit adopts 400-600 rev/min of stirring limit to add inhibiter, ferric oxide red powder, process white, compound phosphorus titanium valve, ultrafine aluminium hydroxide, environmental protection zinc phosphate, adopt 600-800 rev/min to disperse 15-20 minute, adopt sand mill to be ground to fineness and reach 50 microns;
E. deionized water is adopted to produce in cylinder by adding after water-based defoamer, water-based flow agent, aqueous wetting agent, antimycotic antiseptic dilution agent, add film coalescence aid, adopt 600-800 rev/min to stir 5-10 minute, test pH value, controls with neutralizing agent between 8-9 by pH value;
Dry plate realizes: directly adopt deionized-distilled water to carry out the adjustment of spray viscosity, spray viscosity is adjusted to 20-30S, adopt NK-2 cup, spraying layer 2-3, dry plate is placed in 25 DEG C of thermostat containers and was detected traditional performance from dry 48 hours, slaking tested salt spray resistance after 7 days, and the dry plate film thickness of salt spray resistance controls at 90-100 μm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410213404.9A CN104140752B (en) | 2014-05-20 | 2014-05-20 | The preparation method of steel structure special-purpose aqueous polyurethane tape rust rust-proofing primer |
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| CN201410213404.9A CN104140752B (en) | 2014-05-20 | 2014-05-20 | The preparation method of steel structure special-purpose aqueous polyurethane tape rust rust-proofing primer |
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| CN104140752B true CN104140752B (en) | 2016-04-13 |
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| CN105219253B (en) * | 2015-10-08 | 2018-03-13 | 江苏华夏制漆科技有限公司 | A kind of asphalt modification epoxy phosphate zinc heavy antisepsis priming paint and preparation method thereof |
| CN105295480A (en) * | 2015-11-26 | 2016-02-03 | 江苏有能电力自动化有限公司 | Novel wind speed detection probe |
| CN106047133A (en) * | 2016-06-30 | 2016-10-26 | 广西梧州龙鱼漆业有限公司 | Aqueous anti-rusting primer and preparation method thereof |
| CN107880764A (en) * | 2017-10-11 | 2018-04-06 | 湖南文理学院 | A kind of water based shop primer, preparation method and application |
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| CN101724336A (en) * | 2009-12-24 | 2010-06-09 | 北京联飞翔科技股份有限公司 | Coating material and preparation method thereof |
| CN102108245A (en) * | 2010-12-20 | 2011-06-29 | 深圳市中科立涛科技有限公司 | Waterborne polyester modified epoxy polyurethane anticorrosive paint and preparation method thereof |
| 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 |
| DE202013000271U1 (en) * | 2013-01-11 | 2013-02-11 | Vestocor GmbH | Paint system for hazardous areas and areas with high corrosive load |
| CN102993810A (en) * | 2012-11-28 | 2013-03-27 | 天长市开林化工有限公司 | General water-based quick-drying anti-rust paint and preparation method thereof |
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- 2014-05-20 CN CN201410213404.9A patent/CN104140752B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101724336A (en) * | 2009-12-24 | 2010-06-09 | 北京联飞翔科技股份有限公司 | Coating material and preparation method thereof |
| CN102108245A (en) * | 2010-12-20 | 2011-06-29 | 深圳市中科立涛科技有限公司 | Waterborne polyester modified epoxy polyurethane anticorrosive paint and preparation method thereof |
| 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 |
| CN102993810A (en) * | 2012-11-28 | 2013-03-27 | 天长市开林化工有限公司 | General water-based quick-drying anti-rust paint and preparation method thereof |
| DE202013000271U1 (en) * | 2013-01-11 | 2013-02-11 | Vestocor GmbH | Paint system for hazardous areas and areas with high corrosive load |
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