CN102329547B - Preparation method of coating composition - Google Patents
Preparation method of coating composition Download PDFInfo
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- CN102329547B CN102329547B CN 201110140891 CN201110140891A CN102329547B CN 102329547 B CN102329547 B CN 102329547B CN 201110140891 CN201110140891 CN 201110140891 CN 201110140891 A CN201110140891 A CN 201110140891A CN 102329547 B CN102329547 B CN 102329547B
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Abstract
The invention discloses a preparation method of a coating composition. A coating consists of the following components in parts by weight: 21 parts of nano aluminum powder, 19 parts of calcined magnesia, 2 parts of bentonite, 8 parts of water borne epoxy resin emulsion, 12 parts of nano-calcium oxide, 8 parts of nano-titanium oxide and the balance of water. In the assistance of ultrasonic waves and microwave heating, the overall performance of the coating can be enhanced; and the prepared coating has wide application, is corrosion-resistant and erosion-resistant, and can be used at certain temperature.
Description
Technical field
The present invention relates to a kind of preparation method of coating, particularly relate to the preparation method of the coating of anticorrosion, anti-corrosion, anti-certain temperature.
Background technology
Along with national economy and high-tech development, except universal, day by day urgent to the demand of speciality coating to the requirement of coating.In protective system, peroxide ethene coating, epoxypaint, oxygen sulfonated polyethylene coating etc. are all held concurrently or exist, but respectively deficiency are arranged.Peroxide ethene coating came out at the beginning of the seventies, and this coating has certain preservative activity, but due to larger molecular weight, levelling property is undesirable, solid content is low, generally only has 14～18%, the paint film density difference, and viscosity is also very low, only have 20～50 seconds, its sticking power is also bad, and paint film easily comes off.
Metallic substance, especially ferrous materials in process of production all will be through the operations of rolling from the ingot to the base, from the base to the material.Resistance to deformation when rolling in order to reduce makes and rollingly carries out smoothly, rolling front must be through the equal thermal treatment under the heating furnace high-temperature condition, the treatment time needs a few hours.For ferrous materials, as carbon steel,
High quality steel, Medium Alloy Steel, low alloy steel, stainless steel etc., in this equal thermal process, steel ingot or steel billet will stand the temperature more than 1200 ℃, and soaking time is generally more than 4 hours.In this course, the surface will be subject to serious high temperature oxidation.Steel can cause very large financial loss in this oxygenizement of equal thermal process, and according to statistics, the oxide loss that causes due to this high temperature oxidation effect reaches 1%～3% of quality of materials.Calculate by this, produce the iron and steel enterprise of 1,000 ten thousand tons of steel per year, because equal oxidational losses of thermal process is 10～300,000 tons of steel.
In addition, many metallic substance also need to carry out the thermal treatment under hot conditions in the process of finished parts, member, and treatment temp is up to more than 1000 ℃, and the treatment time generally also needs more than 4 hours.In such heat treatment process, these metals can be subject to high temperature oxidation equally, and some metal parts, member are even scrapped because the surface is subject to oxidation.
For the high temperature oxidation problem that solves material, report was arranged once, and generally adopted high temperature material to do antioxidant coating.But this coating poor air-tightness is easily peeled off, and result of use is undesirable.Chinese patent discloses a kind of " high-temp. antioxidation coatings ", publication number: CN1050890A.The graphite electrode surface fire-resistant oxidation resistant effect that is coated on Electric furnace steel making is better.But the composition of this coating is more complicated, and main is that it is for non-metallic material.
If adopt high-temp. antioxidation coatings to be coated on the ingot of metallic substance, the surface of base; can avoid or reduce in all oxidational losses of thermal process; carry out heat treated metal parts, member under hot conditions for needs, the loss that also can adopt the method Avoids or reduces high temperature oxidation of coating protection to cause.
Summary of the invention
For the deficiencies in the prior art, one of purpose of the present invention is to provide a kind of corrosion resistant coating, and it can protect the chemical resistance of metalwork;
Another object of the present invention is to provide a kind of metallic substance high-temperature resistant coating, effectively solve the high temperature oxidation problem of metallic substance, more be to provide a kind of method for preparing above-mentioned coating, its advantage is to have found under microwave, is better than general stirring at normal temperature for the microwave heating of emulsion, and there is no to find to prepare the method for coating under microwave heating, be more to be to coordinate with hyperacoustic, more improved the uniformity coefficient of coating, stability, levelling property, and corrosion-resistant and high-temperature resistance.
According to aforementioned purpose and other content, the preparation method of concrete coating of the present invention is as follows:
A kind of preparation method of coating composition, coating composition is made of following components by weight percent:
Its preparation method specifically comprises the following steps:
Get the polyvinylacrylate emulsion and part water joins in container by formula, under microwave heating to 35 ℃, then constant temperature add nanometer aluminium powder, magnesia calcined, wilkinite, nano calcium oxide and nano-titanium oxide successively under ultrasonic echography, ultrasonic 20min, frequency is 200HZ, and power is 650W, then adds the water of remainder, and stirring 25min under mechanical stirring, mixing speed is that 1000-1250r/min gets final product.
Embodiment
Embodiment one
A kind of preparation method of coating composition, coating composition is made of following components by weight percent:
Its preparation method specifically comprises the following steps:
Get the polyvinylacrylate emulsion and part water joins in container by formula, under microwave heating to 35 ℃, then constant temperature add nanometer aluminium powder, magnesia calcined, wilkinite, nano calcium oxide and nano-titanium oxide successively under ultrasonic echography, ultrasonic 20min, frequency is 200HZ, and power is 650W, then adds the water of remainder, and stirring 25min under mechanical stirring, mixing speed is that 1100r/min gets final product.
On above-mentioned coating coating and A3 steel, investigating high temperature resistant property under 1800 degrees centigrade and testing its anticorrosion effect in 3%NaCl solution, result such as following table:
| Preservative effect (3%NaCl solution, 1 year testing period) | High temperature resistant property | |
| Embodiment | Half rear coating was still complete in 1 year, without rust spot | Under 1800 ℃, not oxidation of 10h |
| Comparative Examples | Just found rust spot in 3 months | Under 1800 ℃, the 2.5h rear oxidation |
Coating of the present invention has outstanding antiseptic property, also has simultaneously resistance to elevated temperatures, and high temperature resistant and corrosion-resistant possess simultaneously, and polycomponent has reached synergy, and the effect of playing than independent any composition is larger, and application surface is more extensive.。
Applicant's statement, the present invention illustrates detailed process equipment and process flow process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, does not mean that namely the present invention must rely on above-mentioned detailed process equipment and process flow process and could implement.The person of ordinary skill in the field should understand, any improvement in the present invention is to the interpolation of the equivalence replacement of each raw material of product of the present invention and ancillary component, the selection of concrete mode etc., within all dropping on protection scope of the present invention and open scope.
Claims (2)
1. the preparation method of a coating composition, it is characterized in that: described method is got the raw materials ready by following components by weight percent:
Its preparation method specifically comprises the following steps:
Get the polyvinylacrylate emulsion and part water joins in container by formula, under microwave heating to 35 ℃, then constant temperature add nanometer aluminium powder successively under ultrasonic echography, magnesia calcined, wilkinite, nano calcium oxide and nano-titanium oxide, ultrasonic 20min, frequency is 200Hz, power is 650W, then the water that adds remainder, and stirring 25min under mechanical stirring, mixing speed is 1000-1250r/min, can obtain coating composition.
2. according to claim 1 preparation method, is characterized in that, described churned mechanically rotating speed is 1100r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110140891 CN102329547B (en) | 2011-05-27 | 2011-05-27 | Preparation method of coating composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110140891 CN102329547B (en) | 2011-05-27 | 2011-05-27 | Preparation method of coating composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102329547A CN102329547A (en) | 2012-01-25 |
| CN102329547B true CN102329547B (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110140891 Expired - Fee Related CN102329547B (en) | 2011-05-27 | 2011-05-27 | Preparation method of coating composition |
Country Status (1)
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| CN (1) | CN102329547B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111205724B (en) * | 2020-02-19 | 2021-09-10 | 绍兴顺泰机械科技有限公司 | Magnesium-containing coating composition for automobile ball joint assembly and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1611554A (en) * | 2003-10-28 | 2005-05-04 | 北京立高高新技术研究所 | Multifunctional coating and its preparing method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5951957A (en) * | 1982-09-17 | 1984-03-26 | Yayoi Kagaku Kogyo Kk | Sealer |
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- 2011-05-27 CN CN 201110140891 patent/CN102329547B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1611554A (en) * | 2003-10-28 | 2005-05-04 | 北京立高高新技术研究所 | Multifunctional coating and its preparing method |
Non-Patent Citations (1)
| Title |
|---|
| JP昭59-51957A 1984.03.26 |
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| CN102329547A (en) | 2012-01-25 |
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