Process for spraying fluorocarbon wood grains on surface of sectional material

A surface spraying and profile technology, which is applied to devices for coating liquid on surfaces, special surfaces, and pretreated surfaces. The effect of excellent wear resistance and good impact resistance

Inactive Publication Date: 2009-12-09
梁志华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the existing technology of this industry, the wood grain texture is generally formed on the surface of the profile by using ink to transfer the wood grain texture. Practice has proved that there are a series of problems in this production process. The wood grain texture transferred from the ink is extremely It is prone to adverse phenomena such as powdering, fading, easy to wear (rub) flowers, short weather resistance time, etc., so it has brought great limitations to the development and use of wood grain transfer technology in this industry, and cannot be widely promoted

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] The specific operation of the PVDF fluorocarbon wood grain process in this embodiment is as follows: After the profile is pre-treated and cleaned, the first coating of PVDF fluorocarbon powder is sprayed with a fully automatic vertical spraying production line. The main component of the fluorocarbon powder is solid fluorocarbon tree 200-mesh solid powder produced by grinding ester-bonded inorganic ceramic raw materials. The PVDF fluorocarbon powder is evenly covered on the surface of the profile through automatic vertical line electrostatic spraying, and then baked at a medium temperature of 150°C for 15 minutes to make the PVDF fluorocarbon powder form a gelled state on the surface of the profile.

[0009] After the profile is cooled, the second PVDF fluorocarbon rendering surface color powder spraying is carried out. The purpose of this spraying is to make the groove of the profile form a transitional color of wood grain. Use PVDF fluorocarbon powder on the surface of...

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PUM

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Abstract

The invention provides a process for spraying fluorocarbon wood grains on the surface of a sectional material. At first, first PVDF fluorocarbon powder is sprayed on the surface of the sectional material and is roasted at the intermediate temperature of 150+ / -10 DEG C for 15+ / -3min, so that the PVDF fluorocarbon powder forms a gelling state on the surface of the sectional material; after cooling, the sectional material is sprayed with PVDF fluorocarbon render face-colour powder for the second time and is roasted at the intermediate temperature of 150+ / -10 DEG C for 15+ / -3min to form a gelling state, and is fully integrated with first-layer spraying powder; after the sectional material is sprayed with PVDF fluorocarbon powder for twice, the liquid PVDF fluorocarbon paint is sprayed on the wood grain of the sectional material according to the principle of PU roll printing and is roasted at the high temperature of 220+ / -10 DEG C for 40+ / -3min so that the solid PVDF fluorocarbon powder and liquid PVDF fluorocarbon paint are fully integrated and cured; finally, fluorocarbon wood grain effect is obtained on the surface of the sectional material. The fluorocarbon wood grain has the characteristics of strong weather resistance, heat resistance, low temperature resistance, chemical resistance, and low friction.

Description

Technical field: [0001] The invention relates to the technical field of profile coating, in particular to a process for spraying and forming fluorocarbon wood grains on the surface of profiles. The process is suitable for national standard profiles with a wall thickness ≥ 1.0 mm. Background technique: [0002] In the existing technology of this industry, the wood grain texture is generally formed on the surface of the profile by using ink to transfer the wood grain texture. Practice has proved that there are a series of problems in this production process. The wood grain texture transferred from the ink is extremely It is prone to adverse phenomena such as powdering, fading, easy to wear (rub) flowers, and short weather resistance time. Therefore, it has brought great limitations to the development and use of the wood grain transfer process in this industry, and cannot be widely promoted. Invention content: [0003] The purpose of the present invention is to overcome the d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05D5/06B05D3/02
Inventor 许浩洪
Owner 梁志华
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