Method for surface directly coating beaverboard of middle density

A fiberboard, medium-density technology, applied in the direction of surface coating device, special surface, pretreatment surface, etc., to achieve the effect of fast coating speed and high efficiency coating

Inactive Publication Date: 2009-10-07
QUANYOU FURNITURE +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0015] The problem to be solved by the present invention is to provide a method for direct and rapid coating on the surface of medium density fiberboard (MDF) products without environmental pollution

Method used

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  • Method for surface directly coating beaverboard of middle density

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Embodiment Construction

[0040] see figure 1 , the inventive method comprises the following steps:

[0041] (1) Medium density fiberboard (MDF) with a thickness of 8mm to 25mm (density 720--860Kg / m 3 ) as the substrate.

[0042] (2) According to the product design and order size, saw and cut MDF with plain surfaces on both sides (the size of the standard board is usually 2440mm×1220mm), and then perform edge sealing, slotting, drilling, Postforming of flat or coplanar concave milling profiles.

[0043] (3) Spray or brush the concave surface of the MDF product surface with PU color paint. Because the concave area on the surface of MDF products is much smaller than the plane area (usually the concave area is only 5% to 8% of the plane area), so its drying speed is faster, and the degree of pollution to the environment is also reduced due to the substantial reduction in the amount of PU paint. It is far less than the level of flat, concave surface spraying and brushing PU paint on the surface of MDF ...

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Abstract

The invention relates to the field of architectural decoration material and its post-contour machining technology, concretely a method for surface directly coating beaverboard of middle density. The invention is indicated constructing continuous coating lines of priming lacquer, emulation grain and top-coat, taking the beaverboard of middle density as basic materials on the continuous coating lines, and continuously coating the basic materials to form into coating of the priming lacquer, emulation grain and top-coat. With employing this method, the aforementioned coatings can dry and form film in 0.5-2 seconds, the coating speed is quickly, and the quality is excellent without environment pollution.

Description

technical field [0001] The invention relates to the technical field of building decoration materials and their post-forming processing, in particular to a method for directly finishing the surface of a medium density fiberboard. Background technique [0002] Indoor furniture products such as cabinets, tables, beds, wooden doors, dumb openings, window casings, porch, floor made by the prior art are mostly based on medium density fiberboard (MDF for short). The following methods are commonly used for surface coating and decoration of MDF: [0003] 1. Use two-component polyurethane paint (PU paint) as the surface coating material of the product, and use spraying or brushing technology to finish the product surface with MDF as the base material (in the process of product industrialization and large-scale production, spraying is mainly used) process). It has the following defects: [0004] 1) The drying speed of the paint film is slow, and it is difficult to control the stabil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27N3/18B05D5/06B05D5/08B05D7/06B05D3/06
Inventor 张友全朱建勇
Owner QUANYOU FURNITURE
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