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Multilayer flame-retardant composite wood and method for producing same

A technology for synthesizing wood and flame-retardant layers, which is applied in the direction of manufacturing tools, wood-layered products, chemical instruments and methods, etc., can solve the problems of fire prevention indicators failing to meet requirements, environmental protection and safety performance, and fire prevention. Achieve the effects of light weight, strong bending resistance, fire resistance and impact resistance

Inactive Publication Date: 2006-12-27
江苏木易阻燃科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In recent years, although different types of fireproof products such as fireproof boards and fireproof doors have appeared, some of these products have fireproof indicators that cannot meet the requirements and cannot solve the actual problem of fireproofing. The fireproofing problem has not been effectively solved from the source.
In addition, some of the existing products consume a large amount of high-quality wood, and if they are not handled properly, they will cause insect damage. Some of the adhesives in them cannot meet the requirements of environmental protection and safety performance and pollute the environment.

Method used

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  • Multilayer flame-retardant composite wood and method for producing same
  • Multilayer flame-retardant composite wood and method for producing same

Examples

Experimental program
Comparison scheme
Effect test

manufacture Embodiment 1

[0034] Flame-retardant layer manufacturing embodiment 1 is:

[0035] 1. Prepare materials according to the following composition weight ratio: 100kg of sawdust with a particle diameter between 1 and 2 mm; 25kg of talc powder; 25kg of Shuangfei powder; 25kg of perlite; 280kg of magnesium chloride;

[0036] 2. Proportion magnesium chloride with water to form a liquid with a density of 1.4;

[0037] 3. Mix the liquid with other raw materials and pour into the mixer to stir into a paste slurry;

[0038] 4. The upper plane press machine makes a 2 mm thick sheet.

manufacture Embodiment 2

[0039] Flame-retardant layer manufacturing embodiment 2 is:

[0040] 1. Prepare materials according to the following composition and weight ratio: 125kg of peanut shells with a particle diameter between 1 and 2 mm; 30kg of talc powder; 30kg of Shuangfei powder; 30kg of perlite; 315kg of magnesium chloride;

[0041] 2. Proportion magnesium chloride with water into a liquid with a density of 1.45;

[0042] 3. Pour the liquid and other raw materials into the mixer and stir into a paste slurry;

[0043] 4. The upper plane press machine makes 10 mm thick sheet.

manufacture Embodiment 3

[0044] Flame-retardant layer manufacturing embodiment 3 is:

[0045] 1. Prepare materials according to the following composition and weight ratio: 150kg of rice husk and barley husk with a particle diameter of 1-2mm or one or more of them mixed; 35kg of talc powder; 35kg of Shuangfei powder; 35kg of perlite; Magnesium chloride 350kg; Magnesium oxide 550kg;

[0046] 2. Proportion magnesium chloride with water to form a liquid with a density of 1.5;

[0047] 3. Pour the liquid and other raw materials into the mixer and stir into a paste slurry;

[0048] 4. The upper plane press is used to make a 20mm thick sheet.

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Abstract

A multilayer flameproof synthetic wood is at least three-layer laminated structure with 2 to 20 mm wood sheet and 2 to 20mm flameproof sheet, and the surface of the wood is processed by conventional flame retardant treatment, wherein the wood sheet is next to the flameproof sheet, and the wood sheet and the flameproof sheet are bound by adhesive; and the weight ratios of the flameproof sheet components are 100 to 150kg saw dust or crop hull and stalk with the diameter of 1 to 2 mm,65 to 105kg assisted materials, and 780 to 900kg inorganic salts. The production process comprises the steps of flameproof moth-proof and anticorrosion treatment for wood sheet, drying, splicing, and finishing, coating adhesive on the flameproof sheet and extrusion pressing after the wood sheet and the flameproof sheet are bound, and high frequency drying. The multilayer flameproof synthetic wood is provided with the fireproof, dampproof, anticorrosion, soundproof, and thermal-proof performances, high strength, high impact resistance, excellent toughness, and good persistence, and the synthetic wood can be cut, planed, drilled, and nailed.

Description

technical field [0001] The invention relates to a building material, in particular to a multi-layer flame-retardant synthetic wood and a manufacturing method thereof. Background technique [0002] For a long time, the fire protection of wood materials has always been an important issue of common concern and urgent need to be solved in our country and even in the world. my country has also taken various preventive measures against fire prevention to reduce losses. In recent years, although different types of fireproof boards, fireproof doors and other fireproof products have appeared, some of these products fail to meet the requirements of fireproof indicators, and cannot solve the actual problem of fireproofing. The fireproofing problem has not been effectively solved from the source. In addition, some of the existing products consume a large amount of high-quality wood, which will lead to insect damage if not handled properly, and some of the adhesives therein can not meet...

Claims

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Application Information

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IPC IPC(8): B27D1/04B32B21/04B27K3/32
CPCB27K2240/30B27K3/32B27K3/0278B27K3/08B27K3/166B27K3/18B27K2200/30
Inventor 杨光伟
Owner 江苏木易阻燃科技股份有限公司
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