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Shaving board

A particle board and board body technology, applied in the field of particle board, can solve the problems of complicated edge sealing process, edge sealing, poor penetration of liquid application, etc., and achieves the effect of satisfying mechanical strength requirements and simple and convenient edge sealing process.

Inactive Publication Date: 2014-05-21
TIGER DRYLAC TAICANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The applicant tested various disclosed improvement schemes in the background technology, and found that they all used to pre-seal the edge of the particleboard in order to avoid the problem of cracks in the existing commercial powder coating spraying, specifically, as using Applying hot melt adhesives for edge sealing, or using UV-curable UV-curable coatings for edge sealing, although a certain procedure solves the problem of cracks caused by spraying conventional low-temperature curing powder coatings, the edge-sealing process is complicated and is not suitable for those with Particleboard with complex shape and structure is used for edge banding. At the same time, the penetration of liquid application is poor, and thick coating cannot be achieved, so that the strength and leveling of the edge banding coating are limited, and ultimately it is impossible to produce high-quality particle board edge banding Coating, making the application of powder coatings on chipboard edgebands extremely difficult constraints

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] See figure 2 As shown, a particle board includes a particle board body 100, the side of the board body has an edge-seal coating 200, and a thermosetting coating 300 is provided on the edge-seal coating 200 and on the surface of the board body 100, wherein the edge-seal coating 200 The side surface of the plate body 100 is obtained by electrostatically spraying powder coating for edge sealing and curing by infrared spectrum. The specific wavelength range of the infrared spectrum is 100-300 μm. Certainly, in other specific implementation manners, infrared spectra of other specific wavelength ranges may also be selected.

[0044] In this embodiment, the powder coating for edge sealing includes the following raw materials in parts by weight:

[0045] 63 parts of epoxy resin, wherein, epoxy resin is prepared by adopting semi-crystalline or full crystallization or superesterification process, and is used to reduce viscosity and improve curing speed. Specifically, in this em...

Embodiment 2

[0059] The rest of the technical solutions of this embodiment 2 are the same as those of the above-mentioned embodiment 1, the only difference being that the powder coating for edge sealing includes the following raw materials in parts by weight:

[0060] 25 parts of epoxy resin;

[0061] 20 parts of curing agent;

[0062] 35 parts of pigments and fillers;

[0063] 20 parts of auxiliary agent, specifically, in this embodiment, the auxiliary agent includes 3 parts of leveling agent, 5 parts of rheological agent, 5 parts of viscosity reducer, 3 parts of degassing agent and 4 parts of defoamer.

Embodiment 3

[0065] The remaining technical solutions of this embodiment 3 are the same as those of the above-mentioned embodiment 1, and the only difference is that the powder coating for edge sealing includes the following raw materials in parts by weight:

[0066] 30 parts of epoxy resin;

[0067] 18 parts of curing agent;

[0068] 32 parts of pigments and fillers;

[0069]20 parts of auxiliary agent, specifically, in this embodiment, the auxiliary agent includes 3 parts of leveling agent, 5 parts of rheological agent, 5 parts of viscosity reducer, 3 parts of degassing agent and 4 parts of defoamer.

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Abstract

The invention relates to a shaving board. The shaving board comprises a shaving board body. The side face of the board body is provided with edge banding coatings, and the edge banding coatings and the surface of the board body are provided with thermosetting coatings. The edge banding coatings are obtained by carrying out the electrostatic spraying and solidifying process on a powder coating used for edge banding on the side face of the board body. The edge banding coatings are obtained by carrying out the electrostatic spraying and solidifying process on a powder coating used for low-temperature solidifying on the edge banding coatings and the surface of the board body. According to the shaving board, the good edge banding effect is achieved, the side face of the shaving board is effectively prevented from being cracked, electrostatic spraying is achieved, and the edge banding technology is simple, convenient to carry out and suitable for edge banding of base material workpieces with various shapes.

Description

technical field [0001] The invention relates to a board, in particular to a particle board. Background technique [0002] Thermosetting powder coatings are widely used in various fields due to their advantages of no organic solvent, good environmental protection, high utilization rate, and convenient storage and transportation. Due to the heat sensitivity of heat-sensitive substrates (such as wood, fiberboard, plastic, cement board, etc.), conventional thermosetting powder coatings cannot be directly applied to heat-sensitive substrates. With the development of modern science and technology, there are many low-temperature curing powder coatings for heat-sensitive substrates. However, the following problems still exist in the actual production process: [0003] For heat-sensitive substrates such as particleboard, cracks may appear on the side of the substrate during the baking and curing process after spraying of low-temperature curing powder coatings and after curing. This...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27N7/00
Inventor 刘际平高志豪顾颂文
Owner TIGER DRYLAC TAICANG
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