Color frosted plastic-steel section bar, and manufacturing method

A technology of plastic steel and profiles, applied in the direction of slender components, building components, pre-treated surfaces, etc., can solve the problems of poor three-dimensional effect of the surface, complex production process, low production efficiency, etc., and achieve good weather resistance, simple production process, The effect of high production efficiency

Inactive Publication Date: 2007-12-26
LG HAUSYS TIANJIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for this kind of colored plastic-steel profiles, since the surface of the plastic-steel profiles needs to be treated with complex acid-base cleaning agents before spraying, the pain

Method used

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  • Color frosted plastic-steel section bar, and manufacturing method
  • Color frosted plastic-steel section bar, and manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] Example 1: frosted light yellow plastic steel profile

[0051] Please refer to Figure 4. Prepare qualified PVC substrates, place them on the production line, and prepare for production. Adjust the sandblasting transmission speed, spraying transmission speed, curing transmission speed, and traction speed to 20m / min. After the substrate is sandblasted, it enters the spraying equipment, and the yellow UV-curable coating with a mass fraction of 3-8wt% and containing acrylic particles (2-8wt%) is sprayed (the coating should be stirred continuously and maintained at 50°C ~60°C temperature), then enter the curing equipment. In the curing equipment, there are 3 high-pressure mercury lamps with a power of 4.7kw, and 3 metal halide lamps with a power of 3Kw. After the curing is completed, check whether the profile is qualified after passing the traction machine. After reaching the qualified standard, stick PE (polyethylene) protective film.

Embodiment 2

[0052] Example 2: frosted brown plastic-steel profiles

[0053] Prepare qualified PVC substrates, place them on the production line, and prepare for production. The acrylic particle with a mass fraction of 3-8wt% is mixed with the brown ultraviolet light curing paint, stirred and heated to 50-60°C. Adjust the sandblasting transmission speed, spraying transmission speed, curing transmission speed, and traction speed to 18m / min. Started production, after surface sandblasting and paint spraying, it entered the curing equipment, 6 high-pressure mercury lamps with a power of 7.8Kw, and 3 metal halide lamps with a power of 3Kw. After curing, the inspection index reaches the qualified standard, and the PE (polyethylene) protective film is pasted, and the frosted brown plastic-steel profile can be obtained.

Embodiment 3

[0054] Example 3: Frosted green plastic-steel profiles

[0055] Prepare qualified PVC substrates, place them on the production line, and prepare for production. Adjust the sandblasting transmission speed, spraying transmission speed, curing transmission speed, and traction speed to 18m / min. After the substrate is sandblasted, it enters the spraying equipment, and is sprayed with a green UV-curable coating containing acrylic particles (3-8wt%) (the coating should be stirred continuously and maintained at a temperature of about 52°C), and then enters the curing process. equipment. In the curing equipment, there are 3 high-pressure mercury lamps with a power of 4.7kw, and 3 metal halide lamps with a power of 3Kw. After the curing is completed, check whether the profile is qualified after passing the traction machine. After reaching the qualified standard, stick PE (polyethylene) protective film.

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Abstract

This invention relates to color matte plastic steel profiles, in which at least one surface includes backing of a plastic steel profile, ultraviolet solidified color coat and a protection film orderly from inside characterizing in blasting sand on the surface of the backing to form a sandblasting layer, then coating a solidified color dope layer on the sandblasting surface. This invention also relates to a manufacturing method for the color matte plastic steel profiles.

Description

technical field [0001] The invention relates to a colored frosted plastic-steel profile produced by frosting the surface with colored paint and a manufacturing method for the colored plastic-steel profile. Background technique [0002] The plastic-steel profiles used in the construction industry are usually polyvinyl chloride (U-PVC), while the traditional white plastic-steel profiles (as shown in Figure 1) are prone to yellowing on the surface of the window profiles on the outdoor side due to long-term exposure to the outdoors. Corrosion, the service life is greatly shortened. Moreover, with the improvement of people's living standards, colored three-dimensional plastic steel profiles are favored by consumers. [0003] The current colored profiles have a whole-body coloring method, that is, adding a colorant to the PVC raw material. For this type of profile after extrusion molding, due to the uneven dispersion of the colorant, there will be color difference between differ...

Claims

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Application Information

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IPC IPC(8): F16S3/00B05D1/36B05D1/12B05D3/06B05D7/14B05C9/06B05C19/04B32B33/00
Inventor 李锡浩刘鹏
Owner LG HAUSYS TIANJIN
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