Environment-friendly type special adhesion primer for nonferrous metal surface
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A non-ferrous metal, environment-friendly technology, applied in coatings, anti-corrosion coatings, etc., can solve problems such as difficult adhesion of organic coatings, limited color varieties, and environmental pollution, and achieve fast drying speed, high transparency, and coating adhesion. focus on good effect
Inactive Publication Date: 2010-04-14
袁泉利
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Problems solved by technology
Traditional methods can use phosphating, electroplating, oxidation treatment, etc., but these methods have many procedures, high cost, serious pollution, and limited color varieties, and there are strict requirements on material specifications and shapes
Therefore, it is the fastest and most convenient choice to improve the protective performance of the product by coating organic coatings on the surface of non-ferrous metals. The environment is polluted
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specific Embodiment 1
[0027] Component A formula: Component B formula:
[0028] Zinc chrome yellow 8 parts Phosphoric acid 28 parts
[0029] 2 parts of talcum powder 18 parts of purified water
[0030] 15 parts of polyvinyl butyral 54 parts of isopropanol
[0031] 51 parts of isopropanol
[0032] Butanol 24 parts
[0033] Component A production steps:
[0034] 1) Dissolve 15 parts of polyvinyl butyral weighed in 51 parts of isopropanol according to the formula, and make it a colorless transparent liquid while mixing and stirring at room temperature;
[0035] 2) Add 8 parts of zinc chrome yellow and 2 parts of talcum powder that have been weighed, and grind it into a paint slurry with a fineness of less than or equal to 30 microns after stirring at a high speed of 2000-3000 rpm;
[0036] 3) Adjust the viscosity of the paint paste with butanol, measure it with Ford No. 4 cup to reach 20-50 seconds, filter and pack after passing the test.
[0037] Production steps of component B: Pour 28 parts o...
specific Embodiment 2
[0041] Component A formula: Component B formula:
[0042] Zinc chrome yellow 5 parts Phosphoric acid 18 parts
[0043] 4 parts of talcum powder 35 parts of purified water
[0044] 11 parts of polyvinyl butyral 47 parts of isopropanol
[0045] 62 parts of isopropanol
[0046] Butanol 18 parts
[0047] Component A production steps:
[0048] 1) Dissolve 11 parts of polyvinyl butyral weighed in 62 parts of isopropanol according to the formula, and make it into a colorless transparent liquid while mixing and stirring at room temperature;
[0049] 2) Add 5 parts of zinc chrome yellow and 4 parts of talcum powder that have been weighed, and grind it into a paint slurry with a fineness of less than or equal to 30 microns after stirring at a high speed of 2000-3000 rpm;
[0050] 3) Adjust the viscosity of the paint paste with butanol, measure it with Ford No. 4 cup to reach 20-50 seconds, filter and pack after passing the test.
[0051] Production steps of component B: Pour 18 pa...
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Abstract
The invention relates to an environment-friendly type special adhesion primer for nonferrous metal surface which is exclusively used for the surface of nonferrous metal, such as stainless steel, aluminum alloy and the like, to serve as the primer. The environment-friendly type special adhesion primer for nonferrous metal surface comprises a component A and a component B, wherein the formula of the component A comprises the following components: 1-20 parts of zinc chrome yellow, 1-5 parts of talcum powder, 2-20 parts of polyvinyl butyral, 5-70 parts of isopropanol and 1-25 parts of butanol; the formula of the component B comprises the following components: 1-30 parts of phosphoric acid, 10-40 parts of purified water and 30-70 parts of isopropanol. A coating is ultrathin and has strong matching property, wide use range, little consumption of unit area and high drying speed; and the thickness of a dry film is only 5-20 microns, and subsequent matching paint can be sprayed after 10-20 minutes. The polyvinyl butyral and the zinc chrome yellow which are innoxious and inodorous are used as main raw materials, the properties of high transparence and superior flexibility and deflection of the polyvinyl butyraldehyde after being dissolved in alcohol solvents and the like are utilized, the adhesion force is increased, the zinc chrome yellow and the phosphoric acid generate a phosphating reaction on the surface of the metal to act as the functions of phosphatization and passivation, the bonding force between the paint and a substrate of the metal is improved, and the environment-friendly type special adhesion primer for nonferrous metal surface has a certain corrosion-prevention function and effect.
Description
technical field [0001] The invention relates to an environment-friendly paint and a preparation method thereof, in particular to an ultra-thin adhesion primer specially used on the surface of non-ferrous metals such as stainless steel, aluminum alloy, copper, etc. With good adhesion between layers, it is an environmentally friendly non-ferrous metal surface special adhesion primer. Background technique [0002] Non-ferrous metals refer to all metals except iron and iron-based alloys (including pig iron, iron alloys and steel). Functions should be marked with different colors. Traditional methods can use phosphating, electroplating, oxidation treatment, etc., but these methods have many procedures, high cost, serious pollution, and limited color varieties, and there are strict requirements on material specifications and shapes. Therefore, it is the fastest and most convenient choice to improve the protective performance of the product by coating organic coatings on the surf...
Claims
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Application Information
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