CN105062276A - Magnesium stearate-containing anticorrosive paint and preparation technology thereof - Google Patents
Magnesium stearate-containing anticorrosive paint and preparation technology thereof Download PDFInfo
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- CN105062276A CN105062276A CN201510463236.3A CN201510463236A CN105062276A CN 105062276 A CN105062276 A CN 105062276A CN 201510463236 A CN201510463236 A CN 201510463236A CN 105062276 A CN105062276 A CN 105062276A
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- magnesium stearate
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- antifouling paint
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Abstract
The invention relates to a magnesium stearate-containing anticorrosive paint and a preparation technology thereof. A magnesium stearate stabilizer is added in the preparation process of the paint, and magnesium stearate has excellent lubrication, dispersion and stabilization effects, so a loose network thixotropy structure is introduced to the paint, thereby material particle settlement is prevented, and the stability of the paint is improved. Magnesium stearate also has a drying acceleration property, so the drying speed of the paint is improved; and the preparation technology is simple and has good application prospect.
Description
Technical field
The present invention relates to a kind of antifouling paint and preparation technology thereof, particularly a kind of antifouling paint and preparation technology thereof adding stearate, belongs to paint chemical field.
Background technology
Many article in the work environment; the various corrosion of easy generation; in order to make material durable more; through being everlasting, material surface coats layer protective layer; to reach the object preventing from or delay corroding; antifouling paste be used in body surface can be used for protect interior of articles be not corroded one class paint, it is widely used in the fields such as aviation, boats and ships, chemical industry, oil pipeline, bridge.
Anticorrosion concerning extremely important especially metal iron and steel, 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, 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 sedimentation phenomenon, in order to overcome above shortcoming, in paint preparation process, adding people's Magnesium Stearate stablizer, Magnesium Stearate has excellent lubrication stably dispersing effect, in paint, introduce loose webs thixotropy structure, can prevent from expecting particles settling, improve the stability of paint.Simultaneously Magnesium Stearate also has and urges dryness, can promote the rate of drying of paint.
Summary of the invention
The present invention discloses a kind of antifouling paint and the preparation technology thereof that add Magnesium Stearate, and contained by this paint, the mass percent of component is:
Potassium silicate 20%-30%;
Super-fine zinc dust 45%-60%;
Organosilicon crylic acid latex 10%-20%;
Titanate coupling agent 3%-5%;
MgCl
2aqueous solution 3%-4%;
Magnesium Stearate 4%-6%.
Add antifouling paint and the preparation technology thereof of Magnesium Stearate, its preparation method comprises the steps:
(1) potassium 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 and Magnesium Stearate, obtain a kind of antifouling paint adding Magnesium Stearate.
The present invention has following advantages and characteristic:
(1) preparation technology is simple;
(2) paint stabilization is good, and rate of drying is fast.
Embodiment
Embodiment one:
200g potassium 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 and 40g Magnesium Stearate, obtain a kind of antifouling paint adding Magnesium Stearate.
Embodiment two:
500g potassium 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 and 120g Magnesium Stearate, obtain a kind of antifouling paint adding Magnesium Stearate.
Embodiment three:
1500g potassium 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 and 200g Magnesium Stearate, obtain a kind of antifouling paint adding Magnesium Stearate.
Claims (3)
1. add antifouling paint and the preparation technology thereof of Magnesium Stearate, it is characterized in that, the preparation method of this paint comprises the following steps:
(1) potassium 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 and Magnesium Stearate, obtain a kind of antifouling paint adding Magnesium Stearate.
2. a kind of antifouling paint and preparation technology thereof adding Magnesium Stearate 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. a kind of antifouling paint and preparation technology thereof adding Magnesium Stearate according to claim 1, is characterized in that, step (5) in, the interpolation mass percent of Magnesium Stearate is 4%-6%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510463236.3A CN105062276A (en) | 2015-08-02 | 2015-08-02 | Magnesium stearate-containing anticorrosive paint and preparation technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510463236.3A CN105062276A (en) | 2015-08-02 | 2015-08-02 | Magnesium stearate-containing anticorrosive paint and preparation technology thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105062276A true CN105062276A (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510463236.3A Pending CN105062276A (en) | 2015-08-02 | 2015-08-02 | Magnesium stearate-containing anticorrosive paint and preparation technology thereof |
Country Status (1)
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| CN (1) | CN105062276A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106147484A (en) * | 2016-08-25 | 2016-11-23 | 梁升辉 | A kind of antifouling paint and modified technique thereof |
| CN106634353A (en) * | 2016-12-29 | 2017-05-10 | 重庆博延汽车部件制造有限公司 | Preparation process of corrosion-resistant paint |
-
2015
- 2015-08-02 CN CN201510463236.3A patent/CN105062276A/en active Pending
Non-Patent Citations (3)
| Title |
|---|
| 周春婧等: "硅丙乳液改性高模数硅酸钾水性无机富锌徐料的研究", 《上海涂料》 * |
| 张鹏飞等: "水性无机富锌涂料及其改性", 《上海涂料》 * |
| 钱逢麟等: "《涂料助剂》", 30 November 1990, 化学工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106147484A (en) * | 2016-08-25 | 2016-11-23 | 梁升辉 | A kind of antifouling paint and modified technique thereof |
| CN106634353A (en) * | 2016-12-29 | 2017-05-10 | 重庆博延汽车部件制造有限公司 | Preparation process of corrosion-resistant paint |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151118 |
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| WD01 | Invention patent application deemed withdrawn after publication |