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Color coating line film covering machine set and method for processing polyester film color plate

A polyester film, color coating line technology, applied in chemical instruments and methods, printing, lamination and other directions, can solve problems such as poor appearance effect, inability to achieve high metal texture, etc., to solve the problem of poor printing hiding power and good metal appearance Effects, noble appearance effects

Active Publication Date: 2015-02-25
QINGDAO HEGANG NEW MATERIAL TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a color coating line laminating unit and a processing method for a polyester film color plate, which can solve the problems in the prior art that the printed metal powder PET film-coated color plate has poor appearance and cannot achieve high metal texture

Method used

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  • Color coating line film covering machine set and method for processing polyester film color plate
  • Color coating line film covering machine set and method for processing polyester film color plate
  • Color coating line film covering machine set and method for processing polyester film color plate

Examples

Experimental program
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Effect test

Embodiment 1

[0034] see figure 1 As shown, the laminating unit of the color coating line in this embodiment includes a flattening roller 1 and a coating roller 2. The flattening roller 1 is a cylindrical straight roller, and the surface of the cylinder has two spirals that are staggered and extend in opposite directions. Groove 3.

[0035] During the production of PET-coated color plates, the PET film contacts the surface of the flattening roller 1 and is flattened by the rotation and conveyance of the flattening roller 1 to prevent wrinkles during film coating. The spiral grooves that cross each other and extend in opposite directions are set on the flattening roller 1, which can generate a spiral force to the left and right sides when flattening the PET film, and at the same time increase the distance between the flattening roller 1 and the PET film. The friction force improves the flattening effect of the PET film. The longitudinal section of the groove 3 is U-shaped, the width range ...

Embodiment 2

[0049] Only change the particle size of the metal powder in the compound printing PET film in step (2) to 10 μm, change the linear speed of the flattening roller 1 and the coating roller 2 to 100 m / min, and change the advancing speed of the steel plate 10 obtained in step (1) to 40 m / min, when the printed PET film 9 is attached to the polyurethane glue layer 8 of the steel plate 10 gained in step (1), the temperature is changed to 140° C. to obtain such as figure 2 The printed metal powder PET coated color plate 11 shown, the rest are the same as the description of embodiment 1.

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Abstract

The invention provides a color coating line film covering machine set and a method for processing a polyester film color plate through using the color coating line film covering machine set to solve a problem of an unrealized metal sense because of a bad appearance effect of metal powder-printed PET (polyethylene terephthalate) film-covered color plates prepared with the prior art. The color coating line film covering machine set comprises flattening rollers and film covering rollers, the flattening roller are cylindrical straight rollers, and two spiral grooves which are opposite in extension directions are interlacedly distributed on each cylindrical surface. The processing method for the polyester film color plate comprises the following steps: 1, processing a steel plate; 2, compound-printing a PET film: printing the PET film with metal powder through multilayer intaglio printing, flattening by the flattening rollers, conveying to a space between the two film covering rollers which are un-down symmetrical and rotate in a same-speed different-direction mode, attaching the printed PET film to a polyurethane glue layer of the steel plate to obtain the metal powder-printed PET film-covered color plate; and 3, rolling the color plate. By adopting the processing method to process the film covered color plate, the high metal sense appearance effect can be realized.

Description

technical field [0001] The invention belongs to the technical field of color-coated steel plates, and in particular relates to a color-coating line film-coating unit and a processing method for polyester film color plates. Background technique [0002] Color-coated steel plate (referred to as coated color plate) has light weight, beautiful appearance and good corrosion resistance. Color plates mainly include PET / PVC film-coated color plates and polyester film color plates adhered with metal powder ink. Polyester film color plates are also PET film-coated color plates. Because PET / PVC coated color board contains PVC layer, as the shell of household appliances, the product is not environmentally friendly, the processing cost is high, and the appearance effect is poor, so it is gradually replaced by PET coated color board. In the prior art, the processing of PET film-coated color plates adhered with metal powder ink is generally carried out on the substrate surface after pretr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B32B37/06B32B37/10B32B37/12B41M1/30B41M1/22
Inventor 周斌邹炎斌谢德胜王洪读齐巍
Owner QINGDAO HEGANG NEW MATERIAL TECHNOLOGY CO LTD