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A kind of water-based organic porcelain pre-roller coated metal color plate and its manufacturing process

A metal substrate, water-based technology, applied in metal layered products, coatings, polyester coatings, etc., can solve the problems of unseen product sales, unseen pre-roller coating production processes and products, etc., to meet the color imagination Force and mechanical processing requirements, high coating utilization rate, and excellent function

Active Publication Date: 2017-09-22
WONDERFUL WALL NEW MATERIALS CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Before the completion of the present invention, there were no patent reports of adopting the same pre-roller coating production process and products of the present invention, and no products with the same performance index and application field as the present invention were sold on the market

Method used

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  • A kind of water-based organic porcelain pre-roller coated metal color plate and its manufacturing process
  • A kind of water-based organic porcelain pre-roller coated metal color plate and its manufacturing process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] This implements a kind of manufacturing process of water-based organic porcelain pre-roller coated metal color plate, combined with figure 1 and figure 2 , select an aluminum coil with a thickness of 0.4 mm as the metal substrate 1, and form a pretreatment layer 1 and a pretreatment layer 2 3 after pretreatment with alkali washing, water washing, and passivation. The pretreatment layer 1 2 is located on the upper surface of the metal substrate 1, and the pretreatment Layer 2 3 is located on the lower surface of the metal substrate 1; the viscosity of the primer and top coat pre-roller coating is set to 40s according to the characteristics of the water-based paint; the upper surface of the pre-treatment layer 2 3 is coated with 6 μm water-based polyurethane white paint, and the pre-roller coating line speed Set at 20m / min, leveling after 20s, enter 260~220℃ step-down heating, bake and solidify for 60s, and cool to form water-based primer layer 4; the surface of water-ba...

Embodiment 2

[0041] This implements a kind of manufacturing process of water-based organic porcelain pre-roller coated metal color plate, combined with figure 1 and figure 2 , choose a 1.0mm thickness 3004H24 aluminum alloy coil as the metal substrate 1, the metal substrate 1 is pre-treated by alkali washing, water washing, and passivation to form a pre-treatment layer 1 2 and a pre-treatment layer 2 3, and the pre-treatment layer 1 2 is located on the metal substrate 1 On the surface, the pretreatment layer 23 is located on the bottom surface of the metal substrate 1; the primer and topcoat are pre-rolled and the construction viscosity is set to 38s according to the characteristics of the water-based paint; The roller coating line speed is set at 22m / min, after 20s of leveling, enter the 260~220°C stepwise cooling and heating, bake and solidify for 60s, and the water-based primer layer 4 is formed after cooling; the surface of the water-based primer layer 4 is then coated with 12µm Wate...

Embodiment 3

[0047] This implements a kind of manufacturing process of water-based organic porcelain pre-roller coated metal color plate, combined with figure 1 and figure 2 , choose a 0.45mm thick hot-dip galvanized steel plate as the metal substrate 1, and the metal substrate 1 is pre-treated by pickling, water washing, and passivation to form a pre-treatment layer 1 2 and a pre-treatment layer 2 3; The viscosity of the pre-roller coating is set to 40s; the surface of the pre-treatment layer 23 is coated with a 6µm water-based white primer, the coating line speed is set at 15m / min, after 60s of leveling, enter the 260~230℃ high-temperature drying room to separate The water-based primer layer 4 is formed after baking for 100 seconds in one section; the surface of the water-based primer layer 4 is coated with a 14µm water-based medium-gloss black organic porcelain topcoat, and the coating line speed is set at 15m / min. After leveling for 60s, enter Bake in a high-temperature oven at 270-2...

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Abstract

The invention relates to a water-based organic porcelain pre-roller-coated metal color plate and a manufacturing process thereof, belonging to the technical field of decorative building materials. From bottom to top are pretreatment layer 1, metal substrate, pretreatment layer 2, water-based primer layer and water-based organic porcelain topcoat layer. The water-based organic porcelain topcoat layer is composed of polyalkoxysilane and water-based inorganic The polymer alloy layer formed by polysiloxane hybridization, the pretreatment layer 1, the pretreatment layer 2 and the metal substrate are integrated structures. The reverse high-temperature baking and curing process of prolonging the leveling time and step-wise cooling is adopted to ensure sufficient moisture volatilization and surface leveling. The metal color plate of the invention is used as a decorative building material, and has the advantages of wide gloss range, scratch resistance, high temperature resistance, acid corrosion resistance, self-cleaning and the like.

Description

technical field [0001] The invention relates to a water-based organic porcelain pre-roller-coated metal color plate and a manufacturing process thereof, belonging to the technical field of decorative building materials. Background technique [0002] With the development of the coatings industry, there are more and more colors, varieties and functions of coatings, and the division of labor is becoming more and more detailed. However, traditional solvent-based coatings mostly use organic solvents such as toluene, xylene, and butyl acetate as diluents, and their manufacturing and construction processes cause huge pollution to the environment due to the large amount of organic solvents discharged. In order to limit the emission of organic solvents, coatings with high solid content, no organic solvents, water-based, and high utilization have become increasingly popular. Among them, the water-based coating is a field that has developed very rapidly in recent years. Water-based c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B15/04B32B27/06B32B27/08B32B33/00C09D183/04C09D163/00C09D167/00
Inventor 方宏蒋学文丁阳东
Owner WONDERFUL WALL NEW MATERIALS CORP LTD
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