Process for manufacturing discoloration color-coating aluminum plate

A manufacturing process and aluminum plate technology, applied in the field of color-changing aluminum plate manufacturing process, can solve problems such as monotony, lack of aesthetics, single color of aluminum plate, etc.

Active Publication Date: 2009-12-16
ZHEJIANG WONDERFUL WALL BUILDING MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In recent years, people have higher and higher requirements for the aesthetics of building decoration materials, especially the aluminum plates decorated on the interior and exterior walls of buildings. At present, the ...

Method used

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  • Process for manufacturing discoloration color-coating aluminum plate
  • Process for manufacturing discoloration color-coating aluminum plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Embodiment 1: refer to figure 1 Shown, a kind of manufacturing process of changing color coated aluminum plate, this process comprises the following steps

[0022] (1) Perform pretreatment degreasing and passivation processes on the aluminum substrate 11, so that a passivation film layer is formed on the surface of the aluminum substrate 11;

[0023] (2) Carry out primer on passivation film layer, described primer is to coat one deck polyurethane paint on passivation film layer, and it is baked in oven, makes the temperature of aluminum substrate 11 reach 204°C, after baking, a polyurethane organic coating is formed into a film. The viscosity of the polyurethane coating is 60″ (4# Ford cup), and the baking time is 90 seconds;

[0024] (3) After priming, carry out intermediate coating on polyurethane organic coating, described intermediate coating is to coat one deck polyester coating or fluorocarbon coating on polyurethane organic coating, and it is baked in oven Bake...

Embodiment 2

[0030] Embodiment 2: refer to figure 1 Shown, a kind of manufacturing process of changing color coated aluminum plate, this process comprises the following steps

[0031] (1) Perform pretreatment degreasing and passivation processes on the aluminum substrate 11 to form a passivation film on the surface of the aluminum substrate;

[0032] (2) Carry out primer on passivation film layer, described primer is to coat one deck polyurethane paint on passivation film layer, and it is baked in oven, makes the temperature of aluminum substrate 11 reach 207°C, after baking, a polyurethane organic coating is formed into a film. The viscosity of the polyurethane coating is 65″ (4# Ford cup), and the baking time is 60 seconds;

[0033] (3) After priming, carry out intermediate coating on polyurethane organic coating, described intermediate coating is to coat one deck polyester coating or fluorocarbon coating on polyurethane organic coating, and it is baked in oven Bake, make the temperatu...

Embodiment 3

[0036] Embodiment 3: refer to figure 1 Shown, a kind of manufacturing process of changing color coated aluminum plate, this process comprises the following steps

[0037] (1) performing a pretreatment degreasing and passivation process on the aluminum substrate (11), so that a passivation film layer is formed on the surface of the aluminum substrate;

[0038] (2) Carry out primer on passivation film layer, described primer is to coat one deck polyurethane coating on passivation film layer, and it is baked in oven, makes the temperature of aluminum substrate reach 210 ℃, after baking, the polyurethane organic coating is formed into a film. The viscosity of the polyurethane coating is 70 "(4# Ford cup), and the baking time is 45 seconds;

[0039] (3) After priming, carry out intermediate coating on polyurethane organic coating, described intermediate coating is to coat one deck polyester coating or fluorocarbon coating on polyurethane organic coating, and it is baked in oven B...

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Abstract

The invention discloses a process for manufacturing a discoloration color-coating aluminum plate. The process comprises the following steps of: pretreating an aluminum base plate for degreasing and passivation; coating a base coating which is a layer of polyurethane coating on a passivation membrane layer, roasting the base coating in an oven, and forming an organic coating of polyurethane after roasting and membrane forming; coating a middle coating which is a layer of polyester or fluorocarbon coating on the organic coating of polyurethane, roasting the middle coating in the oven, and forming the polyester or fluorocarbon coating after roasting and membrane forming; and coating a surface coating which is a layer of polyester or fluorocarbon varnish mixed with scaly pearly-lustre mica powder on the polyester or fluorocarbon coating, roasting the surface coating in the oven, and forming the discoloration coating after roasting and membrane forming. The color-coating aluminum plate manufactured by the process can show different colors along with changes of a light source and viewing angles of people in the bright light.

Description

technical field [0001] The invention discloses a manufacturing process of a color-changing coated aluminum plate, which belongs to the technical field of building decoration materials. Background technique [0002] In recent years, people have higher and higher requirements for the aesthetics of building decoration materials, especially the aluminum plates decorated on the interior and exterior walls of buildings. At present, the colors of aluminum plates are relatively single, and only a single color is coated on the aluminum plates. If the color of the wall is decorated on the wall, it will feel very monotonous, and it will not meet the aesthetics required by people. Contents of the invention [0003] The object of the present invention is to provide a manufacturing process of a color-changing coated aluminum plate that can present different colors under bright light as the light source and people's viewing angles change. [0004] In order to achieve the above object, t...

Claims

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Application Information

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IPC IPC(8): B05D5/06B05D7/16B05D3/00B05D3/02B05C1/12B05C11/02
Inventor 丁旭东方宏金新民傅伟江
Owner ZHEJIANG WONDERFUL WALL BUILDING MATERIALS
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