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Coil coating production line and process using water-based paint

A coating production line, the use of water-based technology, applied in the device, coating, pre-treatment surface and other directions of the surface coating liquid, can solve the problem of high defect rate of water-based paint bursting cells, to reduce the defects of bursting cells, Improve coating quality and achieve water-based effects

Inactive Publication Date: 2019-01-18
GUANGZHOU KINTE IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Even so, water-based coatings have a relatively high rate of bubble-hole defects compared to solvent-based coatings

Method used

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  • Coil coating production line and process using water-based paint
  • Coil coating production line and process using water-based paint
  • Coil coating production line and process using water-based paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～3

[0048] The main coating process and conditions of Examples 1-3, the appearance of the paint film are shown in Table 1, and the performance test results of the paint film are shown in Table 2.

[0049] Table 1. The main coating process and appearance of Examples 1 to 3

[0050]

[0051] Table 2, the coating appearance and performance testing results of Examples 1 to 3

[0052]

[0053] The main coating process and conditions of Comparative Examples 1 to 3 are the same as those of Examples 1 to 3 respectively, the difference being that the paint tray of Comparative Examples 1 to 3 is not provided with a filter screen during the coating process, and the outlet of the roller coater is The far-infrared radiation heating is not turned on in the leveling section, and the appearance of the paint film is shown in Table 3.

[0054] Table 3, the appearance of the paint film of Comparative Examples 1 to 3

[0055]

[0056] The main coating process and conditions of Comparative ...

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PUM

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Abstract

The invention discloses a coil coating production line and process using a water-based paint. The production line comprises an unwinding section, a roll coating section, a leveling section, a baking curing section, an air-cooling section and a winding section, wherein a filter screen is arranged on a paint tray of the roll coating section, and the filter screen is used for filtering the water-based paint that flows back. The filter screen is arranged on the paint tray, and an infrared drying device is arranged at the leveling section, so that the coil coating production line accidently reducesthe defect of the pop-up holes in the coating, and greatly improves the coating quality of a product.

Description

technical field [0001] The invention relates to a coil coating production line and process using water-based paint. Background technique [0002] In recent years, with the continuous development of the global economy and China's economy, various new building materials have emerged. Pre-roller coating coil coating products have the advantages of strong decoration, weather resistance, corrosion resistance, stain resistance and good processability. It is used in building curtain walls, aluminum-plastic composite panels, high-grade building roofs, roofs, doors, windows, ceilings, various electronic products, vehicle and ship shells, containers, etc. [0003] Taking aluminum coil as an example, with the rapid development of my country's aluminum coil coating process, the application field of aluminum coil coating products continues to expand, and the market's requirements for aluminum coil products are also increasing. [0004] Traditional coil coating production lines generally...

Claims

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Application Information

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IPC IPC(8): B05C1/08B05C9/14B05C11/10B05D3/02B05D7/14
CPCB05C1/0826B05C9/14B05C11/1039B05D3/0263B05D7/14B05D2202/25
Inventor 姚煌许奕祥张红吴炳贤
Owner GUANGZHOU KINTE IND