Self-drying black aluminum mirror coating and preparation method thereof
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A self-drying, black technology, applied to anti-corrosion coatings, coatings, etc., to achieve high anti-corrosion, strong adhesion, and fast-drying effects
Inactive Publication Date: 2020-07-03
TIANJIN CITY XINLIHUA COLOR MATERIAL
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Abstract
Description
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Problems solved by technology
[0004] The technical problem solved by the invention is to ensure that the product is completely green and pollution-free. Firstly, the raw materials should be modified and replaced to ensure that the product itself is not harmful.
Method used
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Examples
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Effect test
Embodiment 1
[0033] A kind of self-drying type black aluminum mirror paint, its composition and weight (kg) are:
[0037] Filler (mixture of calcium carbonate, talc, barium sulfate): 250
[0038] 2# solvent (mixture of heavy aromatics, xylene, butanol, OBE, ethers): 30
[0039] Auxiliary (mixture of anti-sedimentation agent, drier, anti-skinning agent): 20
[0040] The above-mentioned substances are made into a self-drying black aluminum mirror coating through the following steps.
[0041] Step 1: After putting in oil-based resin, 2# solvent, modified acrylic resin, and additives, use the PLC automation system to drive the batching kettle, and pre-disperse for 15 minutes; the speed is 400rad / min, and the viscosity of the mixed slurry is adjusted to 180-220s .
[0042] Step 2: put 300kg of the above-mentioned mixed slurry from the batching ...
Embodiment 2
[0055] A kind of self-drying type black aluminum mirror paint, its composition and weight (kg) are:
[0056] Oil-based resin: 250;
[0057] Modified acrylic resin: 350;
[0058] Pigment (mixture of carbon black and phthalo blue): 50;
[0059] Filler (a mixture of talc and barium sulfate): 280;
[0060] 2# solvent (mixture of heavy aromatics, OBE and ethers): 40;
[0061] Auxiliary (mixture of anti-settling agent, drier, anti-skinning agent): 30;
[0062] The above-mentioned substances are made into a self-drying black aluminum mirror coating through the following steps.
[0063] Others are the same as in Example 1.
[0064] The steps of the preparation method are the same as in Example 1.
Embodiment 3
[0066] A kind of self-drying type black aluminum mirror paint, its composition and weight (kg) are:
[0067] Oil-based resin: 300;
[0068] Modified acrylic resin: 300;
[0069] Pigment (mixture of carbon black and phthalo blue): 50;
[0070] Filler (a mixture of talc and barium sulfate): 250;
[0071] 2# solvent (mixture of heavy aromatics, OBE and ethers): 50;
[0072] Auxiliary (mixture of anti-sedimentation agent, drier, anti-skinning agent): 50;
[0073] The above-mentioned substances are made into a self-drying black aluminum mirror coating through the following steps.
[0074] Others are the same as in Example 1.
[0075] The steps of the preparation method are the same as in Example 1.
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Abstract
The invention provides a self-drying black aluminum mirror coating. The self-drying black aluminum mirror coating comprises the following components in percentage by weight: 20-30% of an oil-based resin, 30 to 50 percent of a modified acrylic resin, 5-15% of a pigment, 25-48% of a filler, 3-5% of a 2# solvent and 2-5% of an aid. The substances are uniformly mixed, stirred and ground into the air-drying black aluminum mirror coating. The air-drying type black aluminum mirror coating prepared by the invention adopts an acrylic acid modified resin system, so that the quick drying property and thehigh corrosion resistance are ensured. Meanwhile, dimethylbenzene of benzoyl peroxide is added in the resin polymerization process, the coating has super-strong adhesive force, and in terms of colored paint formula design and pigment and filler selection, pigment and filler containing heavy metal are avoided, in terms of solvent selection, corresponding high-boiling-point and low-boiling-point solvents are adopted according to different temperature and humidity climate conditions, and auxiliaries which do not influence curtain coating are added, so that the defoaming property and leveling property in the construction process are guaranteed.
Description
technical field [0001] The invention relates to the technical field of quick-drying mirror back coatings, in particular to a self-drying black aluminum mirror coating and a preparation method thereof. Background technique [0002] The traditional mirror back protection coating mostly uses alkyd resin as the base material, and the double bonds contained in the vegetable oil in the resin are oxidized and dried by Co, Mn, Pb, Zn, Ca and other driers, and it generally takes 18-24 hours to form a film. It will take 72 hours to achieve the actual drying, if it reaches the level of boxing, which requires the user to be equipped with a considerable drying site, which will bring great inconvenience to the user's production. Therefore, it is urgent to increase the drying speed of the protective coating on the mirror back to ensure Save drying time and enterprise production site. The current solvent self-drying type mirror back protective coating is far from meeting these requirements...
Claims
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Application Information
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