CN102134433A - Environment-friendly water-based epoxy anticorrosion baking varnish - Google Patents
Environment-friendly water-based epoxy anticorrosion baking varnish Download PDFInfo
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- CN102134433A CN102134433A CN 201110049068 CN201110049068A CN102134433A CN 102134433 A CN102134433 A CN 102134433A CN 201110049068 CN201110049068 CN 201110049068 CN 201110049068 A CN201110049068 A CN 201110049068A CN 102134433 A CN102134433 A CN 102134433A
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Abstract
The invention relates to an environment-friendly water-based epoxy anticorrosion baking varnish which is substituted for a solvent-type paint used in coiled material manufacturers. The environment-friendly water-based epoxy anticorrosion baking varnish comprises the following components in parts by weight: 300-400 parts of water-based epoxy resin, 250-300 parts of water, 50-100 parts of curing agent resin, 150-200 parts of pigment and filler, 5-10 parts of sodium nitrate, 100-150 parts of aluminum phosphate, 0.5-1 part of wetting agent, 1-2 parts of defoaming agent, 3-5 parts of dispersant, 10-20 parts of propylene glycol monomethyl ether, 10-20 parts of propylene glycol monobutyl ether and 2 parts of leveling agent. Compared with the solvent-type product used in the existing coiled material industry, the product provided by the invention mainly uses water as a dispersion medium, and the adopted cosolvent belongs to propylene glycol ethers and is a friendly organic cosolvent for human bodies, so that the product provided by the invention has the advantage of environmental friendliness. The invention protects the construction workers from harm of toxic volatile matters, and satisfies the operational requirements of the client in corrosion resistance, luster, shock resistance, solvent resistance, weather resistance, T-bend, adhesion, hardness and other indexes.
Description
Technical field
The present invention relates to a kind of industrial water-based coiled material anticorrosive baking finish coating
Background technology
Coil coating application colour coated plate has become very big industry abroad, and the development of domestic colour coated plate in recent years is very rapid.At present, the coil coating technology mainly develops to extra long life, product functionization and environmentally friendly direction, and promotes the technical progress of color-painted steel strip and the continuous expansion of Application Areas.
The base material of coil coating has cold-rolled steel sheet, hot-dip galvanizing sheet steel, electrogalvanizing steel plate, aluminium zinc plate and aluminium sheet etc., and thickness is between 0.1～0.5mm.
In more than ten years in the past, the colored steel industry of China is grown out of nothing, actual working rate wretched insufficiency, and the excessive competition of colored steel industry faces low-end market, and high-end market needs the difficult situation of a large amount of imports.Domestic also being in the continuous process that enlarges of coloured coating plate Application Areas, generally, the demand in market is still vigorous.Coloured coating plate for building accounting on international color paint sheet market is 60%～70% heavily, and China accounts for more than 90%, though Application Areas is in expansion as can be seen, building is still main users.The production capacity total amount has been higher than the desired consumption demand, and high-grade color steel is more and more looked at by Chinese building material market parent, and household electrical appliances are increasing year by year with the demand of color steel, and have given new function, as antimicrobial surface.Household electrical appliances are very big with plate market, and refrigerator, air-conditioning, washing machine, refrigerator etc. take very big market, and domestic color steel will capture this market also need descend some time, but market is huge.
Existing coil coating can be divided into three major types: (1) priming paint: priming paint is divided into polyester-amino priming paint according to the film-forming resin difference, polyester-polyurethane priming paint, epoxy-amino priming paint, epoxy-polyurethane priming paint, (2) finish paint: use oil-free polyester resin.Crosslinking curing uses methyl-etherified aminoresin.(3) back side lacquer: use at the back side at the coil plate, can be coated with or do not prime, therefore requiring has good sticking power, though over-all properties requires not as good as the finish paint height, is better but adopt the resin manufacture identical with finish paint.
Although coil painting has many advantages, as increasingly automated, efficient is high, steady quality etc., the organic volatile in the coating (VOC) is after baking, through collecting burning, heat utilization ratio reaches more than 97%, is a kind of coating process of environment-friendly type.But,,, therefore reduce VOC even zero VOC is one of developing direction of environment-friendly type coil coating along with people improve the cognition of own healthy living and work because the solvent-borne type liquid coating need consume a large amount of organic solvents.
Summary of the invention
VOC content height at the existence of solvent-borne type coiled material baking vanish, big to person injury, coating uses later, and machine cleans difficulty, along with oil price raises, the organic solvent price is ascended to heaven, and causes enterprise to clean the disadvantage that cost further strengthens again, the invention provides a kind of novel environment-friendly water-based polyester coiled material baking vanish prescription, this kind product meets the requirement of country to the environment-friendly property of product, meets enterprise and produces needs, effectively replace solvents type coating
For achieving the above object, technical solution of the present invention is:
Environment-friendly water-based epoxy anticorrosion baking vanish is used to replace the solvent based coating that coiled material producer uses.Its each component weight proportion is: aqueous epoxy resins 300-400; Water 250-300; Curing agent resin 50-100; Color stuffing 150-200; Sodium Nitrite 5-10; Aluminum phosphate 100-150; Wetting agent 0.5-1; Defoamer 1-2; Dispersion agent 3-5; Propylene glycol monomethyl ether 10-20; Propylene glycol butyl ether 10-20; Flow agent 2.[0010] the technique scheme advantage is:
, nontoxic behind the film curing moisture evaporation with water to the person as dispersion medium, as clean-out system, can clean cost with water for enterprise reduces, substitute organic solvent, and then reduce the organic solvent usage quantity more.This kind product does not also contain heavy metal, is beneficial to health of human body more, and its paint film is at gloss, shock resistance, and anti-solvent, weathering resistance, T is curved, adheres to, and reaches client's service requirements on the indexs such as hardness.On depositing, owing to make water, do not fire and do not possess chemically reactive as dispersion agent, stable storing, safe and reliable.
Description of drawings
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Embodiment
Environment-friendly water-based epoxy anticorrosion baking vanish is used to replace the solvent based coating that coiled material producer uses.Its each component weight proportion is: aqueous epoxy resins 300-400; Water 250-300; Curing agent resin 50-100; Color stuffing 150-200; Sodium Nitrite 5-10; Aluminum phosphate 100-150; Wetting agent 0.5-1; Defoamer 1-2; Dispersion agent 3-5; Propylene glycol monomethyl ether 10-20; Propylene glycol butyl ether 10-20; Flow agent 2.
The present invention adopts the solvent-borne type anticorrosive baking finish contrast of water-base epoxy anticorrosive baking finish and 1000 grams of 1000g, comprises aqueous epoxy resins 300 in this group 1000g water-base epoxy anticorrosive baking finish; Water 270; Cured resin 60; Color stuffing 170; Sodium Nitrite 10; Aluminum phosphate 150; Wetting agent 1; Defoamer 2; Dispersion agent 5; Propylene glycol monomethyl ether 15; Propylene glycol butyl ether 15; Flow agent 2.Two kinds of product performance contrasts see the following form:
Conventional construction test: 200 ℃ of construction temperatures, relative humidity 50%, experimental result sees the following form
Performance comparison
Claims (10)
1. environment-friendly water-based epoxy anticorrosion baking vanish is used to replace the solvent based coating that coiled material producer uses.Its each component weight proportion is: aqueous epoxy resins 300-400; Water 250-300; Curing agent resin 50-100; Color stuffing 150-200; Sodium Nitrite 5-10; Aluminum phosphate 100-150; Wetting agent 0.5-1; Defoamer 1-2; Dispersion agent 3-5; Propylene glycol monomethyl ether 10-20; Propylene glycol butyl ether 10-20; Flow agent 2.
2. as environment-friendly water-based coiled material anticorrosive baking finish as described in the claim 1, its aqueous epoxy resins, molecular weight is at 4000-20000.
3. as environment-friendly water-based coiled material anticorrosive baking finish as described in the claim 1, its cured resin is one or more mixing in fatty amine, alicyclic ring amine, aminoresin, the isocyanic ester.
4. as environment-friendly water-based coiled material anticorrosive baking finish as described in the claim 1, color stuffing is one or more mixing in Rutile type Titanium Dioxide, anatase thpe white powder, organobentonite, the ultra-fine barium sulfate.
5. as environment-friendly water-based coiled material anticorrosive baking finish as described in the claim 1, its wetting agent is an alkylphenol-polyethenoxy alcohol.
6. as environment-friendly water-based coiled material anticorrosive baking finish as described in the claim 1, its dispersion agent is one or more mixing in sodium salt dispersion agent, the ammonium salt dispersion agent.
7. as environment-friendly water-based coiled material anticorrosive baking finish as described in the claim 1, its propylene glycol monomethyl ether that uses is technical grade.
8. as environment-friendly water-based coiled material anticorrosive baking finish as described in the claim 1, the propylene glycol butyl ether that it uses is technical grade.
9. as environment-friendly water-based coiled material anticorrosive baking finish as described in the claim 1, its flow agent that uses is one or more mixing in polyurethane-type flow agent, acrylic type flow agent, fluorine carbon flow agent, the organosilicon flow agent.
10. as environment-friendly water-based coiled material anticorrosive baking finish as described in the claim 1, its aluminum phosphate that uses is technical grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110049068 CN102134433A (en) | 2011-03-02 | 2011-03-02 | Environment-friendly water-based epoxy anticorrosion baking varnish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110049068 CN102134433A (en) | 2011-03-02 | 2011-03-02 | Environment-friendly water-based epoxy anticorrosion baking varnish |
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| CN102134433A true CN102134433A (en) | 2011-07-27 |
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| CN 201110049068 Pending CN102134433A (en) | 2011-03-02 | 2011-03-02 | Environment-friendly water-based epoxy anticorrosion baking varnish |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766382A (en) * | 2012-08-09 | 2012-11-07 | 广州慧谷化学有限公司 | Hollow alkali washing aluminum aqueous protective paint and preparation method and application thereof |
| CN104031524A (en) * | 2014-05-28 | 2014-09-10 | 江苏巨珩新材料科技有限公司 | Waterborne coating for metal color plate surfaces and preparation method thereof |
| CN104830109A (en) * | 2015-05-11 | 2015-08-12 | 黄梅 | Water-based anticorrosive paint for engineering machinery |
| CN105038508A (en) * | 2015-08-20 | 2015-11-11 | 哈尔滨工业大学 | Method for preparing nano-material-doped epoxy resin coating |
| CN106010240A (en) * | 2016-06-30 | 2016-10-12 | 太仓市金新涂料有限公司 | Environment-friendly high-strength corrosion resistant epoxy amino baking paint and preparation method thereof |
| CN106047064A (en) * | 2016-07-01 | 2016-10-26 | 太仓市金新涂料有限公司 | High-wear-resistance high-adhesive-force modified epoxy amino baking varnish and preparation method thereof |
| CN106634115A (en) * | 2016-12-18 | 2017-05-10 | 钦州市科学技术开发中心 | Water-based baking varnish |
| CN106987195A (en) * | 2017-04-17 | 2017-07-28 | 德阳森华新材料科技有限公司 | The preparation method of wear-resisting and etch-proof water-base epoxy baking vanish |
| CN107532036A (en) * | 2015-03-24 | 2018-01-02 | 奥钢联钢铁公司 | Coiled material and electrical steel strip or electrical sheet |
| CN109280460A (en) * | 2018-09-17 | 2019-01-29 | 浙江鑫翔环保科技有限公司 | A kind of the environment-friendly epoxy water-based industrial paint and its preparation process of heavy anti-corrosion antirust |
| CN109385183A (en) * | 2018-10-26 | 2019-02-26 | 黄河三角洲京博化工研究院有限公司 | A kind of pre-coated coil water-base epoxy priming paint and preparation method thereof |
| CN113956731A (en) * | 2021-11-22 | 2022-01-21 | 浙江优艺雅涂料有限公司 | Primer for aluminum plate curtain wall, preparation method of primer, composite paint for aluminum plate curtain wall and preparation method of aluminum plate curtain wall |
| CN115449274A (en) * | 2022-10-27 | 2022-12-09 | 江苏扬瑞新材料有限公司 | Water-based coil coating and preparation method thereof |
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| CN101050330A (en) * | 2006-04-06 | 2007-10-10 | 深圳市海川实业股份有限公司 | Aqueous industrial baking varnish |
| CN101230228A (en) * | 2007-01-26 | 2008-07-30 | 深圳市海川实业股份有限公司 | Single-component aqueous epoxy medium temperature curing rust-inhibiting paint |
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| CN101701126A (en) * | 2009-11-13 | 2010-05-05 | 中国电力科学研究院 | Aqueous rusty anti-corrosion paint and preparation method thereof |
| CN101775108A (en) * | 2010-03-26 | 2010-07-14 | 哈尔滨工业大学 | Synthesis of modified aqueous epoxy resin and method for preparing antiseptic rusty paint |
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| CN101050330A (en) * | 2006-04-06 | 2007-10-10 | 深圳市海川实业股份有限公司 | Aqueous industrial baking varnish |
| CN101230228A (en) * | 2007-01-26 | 2008-07-30 | 深圳市海川实业股份有限公司 | Single-component aqueous epoxy medium temperature curing rust-inhibiting paint |
| CN101481491A (en) * | 2009-01-21 | 2009-07-15 | 广州秀珀化工股份有限公司 | Epoxy resin water dispersion and process for preparing the same |
| CN101701126A (en) * | 2009-11-13 | 2010-05-05 | 中国电力科学研究院 | Aqueous rusty anti-corrosion paint and preparation method thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766382A (en) * | 2012-08-09 | 2012-11-07 | 广州慧谷化学有限公司 | Hollow alkali washing aluminum aqueous protective paint and preparation method and application thereof |
| CN104031524A (en) * | 2014-05-28 | 2014-09-10 | 江苏巨珩新材料科技有限公司 | Waterborne coating for metal color plate surfaces and preparation method thereof |
| CN107532036A (en) * | 2015-03-24 | 2018-01-02 | 奥钢联钢铁公司 | Coiled material and electrical steel strip or electrical sheet |
| CN107532036B (en) * | 2015-03-24 | 2021-06-22 | 奥钢联钢铁公司 | Coil and electrical steel strip or sheet |
| CN104830109A (en) * | 2015-05-11 | 2015-08-12 | 黄梅 | Water-based anticorrosive paint for engineering machinery |
| CN105038508A (en) * | 2015-08-20 | 2015-11-11 | 哈尔滨工业大学 | Method for preparing nano-material-doped epoxy resin coating |
| CN106010240A (en) * | 2016-06-30 | 2016-10-12 | 太仓市金新涂料有限公司 | Environment-friendly high-strength corrosion resistant epoxy amino baking paint and preparation method thereof |
| CN106047064A (en) * | 2016-07-01 | 2016-10-26 | 太仓市金新涂料有限公司 | High-wear-resistance high-adhesive-force modified epoxy amino baking varnish and preparation method thereof |
| CN106634115A (en) * | 2016-12-18 | 2017-05-10 | 钦州市科学技术开发中心 | Water-based baking varnish |
| CN106987195A (en) * | 2017-04-17 | 2017-07-28 | 德阳森华新材料科技有限公司 | The preparation method of wear-resisting and etch-proof water-base epoxy baking vanish |
| CN109280460A (en) * | 2018-09-17 | 2019-01-29 | 浙江鑫翔环保科技有限公司 | A kind of the environment-friendly epoxy water-based industrial paint and its preparation process of heavy anti-corrosion antirust |
| CN109385183A (en) * | 2018-10-26 | 2019-02-26 | 黄河三角洲京博化工研究院有限公司 | A kind of pre-coated coil water-base epoxy priming paint and preparation method thereof |
| CN113956731A (en) * | 2021-11-22 | 2022-01-21 | 浙江优艺雅涂料有限公司 | Primer for aluminum plate curtain wall, preparation method of primer, composite paint for aluminum plate curtain wall and preparation method of aluminum plate curtain wall |
| CN113956731B (en) * | 2021-11-22 | 2022-05-13 | 浙江优艺雅涂料有限公司 | Primer for aluminum plate curtain wall, preparation method of primer, composite paint for aluminum plate curtain wall and preparation method of aluminum plate curtain wall |
| CN115449274A (en) * | 2022-10-27 | 2022-12-09 | 江苏扬瑞新材料有限公司 | Water-based coil coating and preparation method thereof |
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Application publication date: 20110727 |