Water-based bronze-like coating and application thereof
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A technology for imitating copper and paint, applied in the field of paint, can solve problems such as unfavorable environmental protection, and achieve the effects of reduced production cost, realistic copper imitation effect, and simplified process steps.
Active Publication Date: 2010-12-15
浙江九合环保科技有限公司
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Problems solved by technology
[0004] The present invention provides a water-based imitation copper paint aiming at the disadvantages that the existing copper imitation paints are all oily and not conducive to environmental protection.
Method used
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Examples
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Effect test
Embodiment 1
[0019] A kind of technology that utilizes water-based imitation copper coating to make imitation copper door, the steps are as follows:
[0020] a. Conventional pretreatment of the steel door surface to make the metal surface clean and smooth, including degreasing, chemical polishing, neutralization, cleaning, and drying, is a conventional technology in this industry and will not be described in detail here.
[0021] b. Spray the copper and gold powder emulsion evenly on the surface of the steel door, the thickness is controlled at about 0.2 mm, dry, and then spray the prefabricated brushed black, after drying, draw and cover to obtain the imitation copper door product. Drying, drawing, and varnishing are conventional techniques in this industry, and will not be described in detail here.
[0022] Preparation of copper-gold powder emulsion: 50 kg of copper-gold powder, 120 kg of white latex, 100 kg of bone glue solution containing 2% bone glue mass fraction, mix the above raw m...
Embodiment 2
[0025] Concrete scheme is with embodiment 1, and difference is:
[0026] Preparation of copper-gold powder emulsion: 60 kg of copper-gold powder, 130 kg of white latex, 105 kg of bone glue solution containing 2% bone glue mass fraction, mix the above raw materials, stir them evenly, and filter through a 1200-mesh filter.
[0027] Preparation of drawing black: 20 kg of tank black pulp, 35 kg of white latex, 45 kg of bone glue solution containing 2% bone glue mass fraction, 100 kg of water, 6 kg of ethanol, and mix the above raw materials.
Embodiment 3
[0029] Concrete scheme is with embodiment 1, and difference is:
[0030] Preparation of copper-gold powder emulsion: 55 kg of copper-gold powder, 125 kg of white latex, 95 kg of bone glue solution containing 2% bone glue mass fraction, mix the above raw materials, stir them evenly, and filter through a 1200-mesh filter.
[0031] Preparation of drawing black: 15 kg of tank black slurry, 25 kg of white latex, 35 kg of bone glue solution containing 2% bone glue mass fraction, 100 kg of water, 4 kg of ethanol, and mix the above raw materials.
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PUM
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Abstract
The invention belongs to the technical field of coatings and in particular relates to a water-based bronze-like coating and application thereof to manufacturing of a bronze-like door. The water-based bronze-like coating of the invention consists of a bronze powder emulsion and a wire-drawing black, wherein the bronze powder emulsion comprises the following components in part by weight: 50 to 60 parts of bronze powder, 120 to 130 parts of white latex and 95 to 105 parts of bone glue solution which contains 2 mass percent of bone glue; and the wire-drawing black comprises the following components in part by weight: 10 to 20 parts of black colour paste, 25 to 35 parts of white latex, 35 to 45 parts of bone glue solution which contains 2 mass percent of bone glue, 100 parts of water and 4 to 6 parts of ethanol. The method for manufacturing the bronze-like door by using the water-based bronze-like coating comprises the following steps of: a, performing routine pretreatment on the surface of a steel door to make the surface of the metal clean, smooth and flat; and b, uniformly coating the bronze powder emulsion on the surface of the steel door, wherein the thickness of the bronze powder emulsion layer on the surface of the steel door is 0.2 to 0.3mm, drying the bronze powder emulsion layer, coating the wire-drawing black onto the bronze powder emulsion layer, after drying the wire-drawing black, drawing wire, and glaring. In the invention, the water-based coating is adopted to manufacture the bronze-like door and only two times of baking are needed, so that the cost is relatively low and the process is environmentally-friendly.
Description
technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a water-based imitation copper coating and its application in the manufacture of imitation copper doors. Background technique [0002] The imitation copper door is made of electrolytic plates, and the surface is sprayed with paint with a color similar to that of the copper door to make it look similar to the copper door, so it is called an imitation copper door. In order to achieve a beautiful and durable effect, most of the domestic anti-theft doors are made of imitation copper doors, and most of them adopt pickling and phosphating process before painting. Plates, forgings and cold plates are welded together, which causes certain difficulties for spraying, so a primer for degreasing and rust removal is required in the early stage. First: Primer. At present, most enterprises use electrostatic powder spraying as primer. Second: finish paint, which is now basically i...
Claims
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Application Information
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