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Processing method for manmade shaving board

A processing method and particleboard technology, applied in the direction of manufacturing tools, wood processing appliances, and pretreatment of molding materials, can solve the problems of increasing the amount of adhesive used, poor flame retardant effect of the board surface, and affecting the uniformity of flame retardants, etc., to achieve Improve the overall flame retardant performance, simple composition, and improve the effect of smoke suppression

Inactive Publication Date: 2018-12-07
GUANGXI ZHEYUAN AGRI SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the application method of this method is simple and the production cost of the wood-based panel is low, the flame retardant component is not well compatible with the adhesive, which will affect the uniformity of the flame retardant application; It is coated between the board and the board, that is, the interior of the particle board has flame retardant properties, but the board surface does not have flame retardant components, which will not only lead to poor flame retardant effect of the board surface, but also increase the amount of adhesive used

Method used

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  • Processing method for manmade shaving board
  • Processing method for manmade shaving board
  • Processing method for manmade shaving board

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A processing method for artificial particleboard, comprising the following steps:

[0022] 1) Adhesives, flame retardants and shavings are fully mixed according to the mass ratio of 0.20:0.2:100, and paved into a slab of multi-layer structure particleboard;

[0023] 2) Send the slab directly into the hot press for hot pressing, the hot pressing temperature is 90 degrees Celsius, and the hot pressing pressure is 14kg / cm 2 ;

[0024] 3) Neatly stack the hot-pressed plates after step 2) and cool them down to normal temperature for edge sawing and polishing to obtain rough plates;

[0025] 4) Take a certain amount of flame retardant, and mix it according to the weight ratio of flame retardant: adhesive = 0.7:1.5 to obtain a flame retardant, and then uniformly coat the surface of the rough plate obtained in step 3) with the flame retardant , dry naturally to get the finished product.

[0026] In step 4), the flame retardant is made of the following raw materials in parts ...

Embodiment 2

[0030] The processing method of the artificial particle board is the same as that of Example 1, the difference is that the composition of the flame retardant: in parts by weight, is made of the following raw materials: 80 parts of magnesium hydroxide, 60 parts of aluminum hydroxide, 25 parts of ultra-fine zinc borate, 20 parts of nano-Mg / Al-LDH, 18 parts of talcum powder, and 10 parts of modifier. Wherein, the surfaces of the magnesium hydroxide and the aluminum hydroxide are coated with a silane coupling agent, and the modifier may be nano silicon dioxide.

[0031] In this embodiment, both the magnesium hydroxide and the aluminum hydroxide are powders.

[0032] The preparation method of the flame retardant is the same as that of Example 1.

Embodiment 3

[0034] A processing method for artificial particleboard, comprising the following steps:

[0035] 1) Adhesives, flame retardants and shavings are fully mixed according to the mass ratio of 0.35:0.1:100, and paved into a slab of multi-layer structure particleboard;

[0036] 2) Send the slab directly into the hot press for hot pressing, the hot pressing temperature is 100 degrees Celsius, and the hot pressing pressure is 10kg / cm 2 ;

[0037] 3) Neatly stack the hot-pressed plates after step 2) and cool them down to normal temperature for edge sawing and polishing to obtain rough plates;

[0038] 4) Take a certain amount of flame retardant, and mix it according to the weight ratio of flame retardant: adhesive = 0.4:1 to obtain a flame retardant, and then uniformly coat the surface of the rough plate obtained in step 3) with the flame retardant , dry naturally to get the finished product.

[0039] In step 4), the flame retardant is made of the following raw materials in parts b...

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Abstract

The invention discloses a processing method for a manmade shaving board. A fire retardant consists of magnesium hydroxide, aluminum hydroxide, superfine zinc borate, nano Mg / Al-LDH, talcum powder andan improver, is an inorganic fire retardant, does not contain formaldehyde, is non-toxic and free of peculiar smell, is simple in composition, and is green and environmentally friendly; during manmadeboard manufacturing, a using method of the fire retardant is also different according to characteristics of the board, so that the flame-retarding effect of the fire retardant and compatibility of anadhesive are brought into play to the greatest extent, i.e., the shaving board is formed by cutting a wooden section into a veneer in a rotary mode or slicing a batten into thin wood, and shaving with the adhesive; and the shaving board is soaked into the fire retardant, and the fire retardant can be effectively adhered on the surface of the shaving board, so that use amount of the flame retardant further can be reduced while fire resistance of the shaving board is improved, and the production cost is reduced.

Description

technical field [0001] The invention relates to a building material board, in particular to a processing method of an artificial particle board, and belongs to the technical field of building materials. Background technique [0002] Wood-based panel is a board or molded product made of wood or other non-wood plants as raw materials, separated into various unit materials by certain mechanical processing, and shavings with or without adhesives and other additives. It mainly includes three categories of products: particle board, particle (chip) board and fiberboard. There are hundreds of extended products and deep-processed products, which are widely used in construction engineering, interior decoration, furniture manufacturing, packaging and other industries. However, most of the raw materials included in wood-based panels are plant fibers, which are combustible materials, so it is very easy to cause a fire. According to reports, more than 21% of fires are caused by fibrous m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27K3/12B27K3/32B27N1/02B27N3/12B27N3/18B27N3/20
CPCB27K3/12B27K3/32B27K2240/30B27N1/029B27N3/12B27N3/18B27N3/203
Inventor 韩佳琪谢剑玲
Owner GUANGXI ZHEYUAN AGRI SCI & TECH CO LTD
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