CN105062162A - Preparation technology of composite metal organic soap-containing inorganic anticorrosive paint - Google Patents
Preparation technology of composite metal organic soap-containing inorganic anticorrosive paint Download PDFInfo
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- CN105062162A CN105062162A CN201510463880.0A CN201510463880A CN105062162A CN 105062162 A CN105062162 A CN 105062162A CN 201510463880 A CN201510463880 A CN 201510463880A CN 105062162 A CN105062162 A CN 105062162A
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Abstract
The invention relates to a preparation technology of a composite metal organic soap-containing inorganic anticorrosive paint. The preparation technology of the paint comprises the following steps: pouring a sodium silicate solution into a heatable container, heating, adding a silicone acrylic emulsion, fully mixing, stopping heating after uniformity, adding a titanate coupling agent and zinc powder, adding proper amounts of an aqueous solution of MgCl2, and a zinc stearate and barium stearate stabilizer, and uniformly mixing to obtain the composite metal organic soap-containing inorganic anticorrosive paint.
Description
Technical field
The present invention relates to a kind of antifouling paint and preparation method thereof, particularly a kind of rich zinc antifouling paint of aqueous inorganic adding stearate and preparation method thereof, belongs to paint chemical field.
Background technology
Iron and steel we life in purposes widely, as automotive industry, production, construction industry, the industries such as transportation, but iron and steel rotproofness is poor, anticorrosion concerning extremely important iron and steel, according to statistics, the 10%-20% of annual production is accounted for every year owing to corroding the iron and steel loss caused, corrosion is generally that between metallic surface and medium, generation chemistry or electrochemistry heterogeneous reaction cause, the intensity of ferrous materials significantly can be reduced after corroding, the mechanical properties such as toughness, destroy the geometrical shape of hardware, the work-ing life of shortening equipment, people are prevented by antifouling paint or delay corrosion for this reason.
Common antifouling paint mainly reaches rot-resistant object from two aspects: one is with shielding effect, and antifouling paint paint film stops corrosive medium and material surface contact, cuts off the path of corrosion cell, increases resistance.As epoxy coal asphalt paint, epoxy glass squama antiseptic paint, chlorosulfonated polyethylene paint, polyureas, acrylic polyurethane coating etc.; Another is corrosion inhibition, some pigment of antifouling paint, or the reaction product of itself and film forming matter or moisture, can play corrosion inhibition (comprising passivation), as wash primer, phosphatization, zinc-plated chromium plating, epoxy phosphate yellow zinc chromate primer paint etc. to ground metal.But these two kinds of antifouling paint preservative effects are limited; and be used for anticorrosion with galvanic protection; preservative effect is better; as zinc rich paint; containing a large amount of zinc powder in zinc rich paint, close contact between zinc particles, between zinc particles and steel surface, the current potential of zinc is more negative than iron; so zinc atom easily loses electronics and becomes anode in electrolyte solution, iron rule is negative electrode.In positive column, zinc is corroded owing to losing electronics, and in cathodic area, steel surface constantly obtains electronics, thus is protected.After film has site tissue damage, expose matrix metal, can flow to iron and steel exposed portion at less area internal corrosion electric current, then the product of zinc is just deposited on and forms layer protecting film herein, delays corrosion and continues to occur.
Zinc rich paint is divided into organic zinc rich paint and inorganic zinc-rich paint, and it is film forming binder that organic zinc rich paint commonly uses epoxy resin, chlorinated rubber, Vinylite and urethane resin.But the poor electric conductivity of the organic binder of organic zinc rich paint.Inorganic zinc-rich paint is divided into again solvent-borne type and water-based two class.Wherein aqueous inorganic zinc rich paint is made up of aqueous inorganic silicate (receive, potassium, lithium) resin, zinc powder, auxiliary agent etc.Aqueous inorganic zinc rich paint is due to its organic solvent-free, there is free from extraneous odour, do not fire not quick-fried, the advantage such as free from environmental pollution, but in waterborne zinc-rich paint preparation process, there will be the wild effects such as sedimentation, in order to overcome above shortcoming, in paint preparation process, add the organic soap stablizer of metal, prevent from expecting particles settling, improve the stability of paint.The present invention increases effect in order to what improve stablizer, and in paint preparation process, add Zinic stearas and barium stearate one package stabilizer, the paint stabilization of preparation improves further.
Summary of the invention
Add a preparation technology for the inorganic anti-corrosion paint of the organic soap of composition metal, its preparation technology comprises the steps:
(1) a certain amount of sodium silicate solution is poured in container, slowly heat;
(2) when being heated to 60-75 DEG C, organosilicon crylic acid latex is slowly added in container, and ceaselessly stir, after interpolation, stop heating;
(3) in container, add appropriate titanate coupling agent again, high-speed stirring;
(4) add zinc powder, ceaselessly stir;
(5) finally add appropriate MgCl successively
2the aqueous solution, Zinic stearas and barium stearate stablizer, mix to obtain a kind of inorganic anti-corrosion paint adding the organic soap of composition metal.
Preferential, step (4) in, added zinc powder is 500-600 order, and interpolation mass percent is 45%-60%.
Preferential, step (5) in, Zinic stearas adds mass percent 2%-3%, and the interpolation mass percent of barium stearate is 2%-3%.
The present invention has following advantages and characteristic:
(1) preparation technology is simple;
(2) paint stabilization is good.
Embodiment
Embodiment one:
200g sodium silicate solution is poured in a heatable container, slow heating, after solution temperature reaches 60 DEG C, then drips 100g organosilicon crylic acid latex in container, and ceaselessly stir, after dropwising, stop heating, after system temperature is down to room temperature, 30g titanate coupling agent is added again in container, and improve stirring velocity, then add the 500 order super-fine zinc dusts of 600g, finally add 30gMgCl successively
2the aqueous solution, 20g Zinic stearas and 20g barium stearate, obtain a kind of inorganic anti-corrosion paint adding the organic soap of composition metal.
Embodiment two:
500g sodium silicate solution is poured in a heatable container, slow heating, after solution temperature reaches 65 DEG C, then drips 200g organosilicon crylic acid latex in container, and ceaselessly stir, after dropwising, stop heating, after system temperature is down to room temperature, 100g titanate coupling agent is added again in container, and improve stirring velocity, then add the 550 order super-fine zinc dusts of 1000g, finally add 80gMgCl successively
2the aqueous solution, 60g Zinic stearas and 60g barium stearate, obtain a kind of inorganic anti-corrosion paint adding the organic soap of composition metal.
Embodiment three:
1500g sodium silicate solution is poured in a heatable container, slow heating, after solution temperature reaches 75 DEG C, then drips 750g organosilicon crylic acid latex in container, and ceaselessly stir, after dropwising, stop heating, after system temperature is down to room temperature, 150g titanate coupling agent is added again in container, and improve stirring velocity, then add the 600 order super-fine zinc dusts of 2550g, finally add 150gMgCl successively
2the aqueous solution, 100g Zinic stearas and 100g barium stearate, obtain a kind of inorganic anti-corrosion paint adding the organic soap of composition metal.
Claims (3)
1. add a preparation technology for the inorganic anti-corrosion paint of the organic soap of composition metal, it is characterized in that, the preparation technology of this paint comprises the following steps:
(1) a certain amount of sodium silicate solution is poured in container, slowly heat;
(2) when being heated to 60-75 DEG C, organosilicon crylic acid latex is slowly added in container, and ceaselessly stir, after interpolation, stop heating;
(3) in container, add appropriate titanate coupling agent again, high-speed stirring;
(4) add zinc powder, ceaselessly stir;
(5) finally add appropriate MgCl successively
2the aqueous solution, Zinic stearas and barium stearate stablizer, mix to obtain a kind of inorganic anti-corrosion paint adding the organic soap of composition metal.
2. the preparation technology of a kind of inorganic anti-corrosion paint adding the organic soap of composition metal according to claim 1, is characterized in that, step (4) in, added zinc powder is 500-600 order, and interpolation mass percent is 45%-60%.
3. the preparation technology of a kind of inorganic anti-corrosion paint adding the organic soap of composition metal according to claim 1, is characterized in that, step (5) in, Zinic stearas adds mass percent 2%-3%, and the interpolation mass percent of barium stearate is 2%-3%.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106047007A (en) * | 2016-08-12 | 2016-10-26 | 严致迪 | Preparation process for inorganic anti-corrosive paint |
CN106167661A (en) * | 2016-08-07 | 2016-11-30 | 严致迪 | A kind of inorganic anti-corrosion paint adding composite modifier and preparation technology thereof |
CN106189403A (en) * | 2016-08-12 | 2016-12-07 | 严致迪 | A kind of stable modification inorganic anti-corrosion paint and preparation method thereof |
CN106221320A (en) * | 2016-08-07 | 2016-12-14 | 严致迪 | A kind of inorganic anti-corrosion paint adding composite modifier |
CN106243877A (en) * | 2016-08-07 | 2016-12-21 | 吴房文 | A kind of antifouling paint adding benzenesulfonic acid class/barium stearate stabilizer and technique thereof |
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CN103173045A (en) * | 2013-03-07 | 2013-06-26 | 中国科学院宁波材料技术与工程研究所 | Inorganic zinc-rich anticorrosive nano-attapulgite coating and its preparation method |
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2015
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CN101245208A (en) * | 2008-02-27 | 2008-08-20 | 华中师范大学 | Shockproof corrosion resistant nano-composite zinc-rich paint and manufacture method thereof |
CN103173045A (en) * | 2013-03-07 | 2013-06-26 | 中国科学院宁波材料技术与工程研究所 | Inorganic zinc-rich anticorrosive nano-attapulgite coating and its preparation method |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106167661A (en) * | 2016-08-07 | 2016-11-30 | 严致迪 | A kind of inorganic anti-corrosion paint adding composite modifier and preparation technology thereof |
CN106221320A (en) * | 2016-08-07 | 2016-12-14 | 严致迪 | A kind of inorganic anti-corrosion paint adding composite modifier |
CN106243877A (en) * | 2016-08-07 | 2016-12-21 | 吴房文 | A kind of antifouling paint adding benzenesulfonic acid class/barium stearate stabilizer and technique thereof |
CN106047007A (en) * | 2016-08-12 | 2016-10-26 | 严致迪 | Preparation process for inorganic anti-corrosive paint |
CN106189403A (en) * | 2016-08-12 | 2016-12-07 | 严致迪 | A kind of stable modification inorganic anti-corrosion paint and preparation method thereof |
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