Method for producing wear-resistant flame-retardant panel from fast growing wood

A production method and fast-growing wood technology, applied in chemical instruments and methods, layered products, impregnated wood, etc., can solve problems affecting the bonding quality of glued panels and the reduction of the adhesive strength of impregnated adhesives

Inactive Publication Date: 2010-08-11
ZHEJIANG FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, many impregnation solutions with both adhesive and flame-retardant functions have a variety of solvents that dilute the concentration of the glue and do not add a reinforcing agent that helps increase the adhesive strength, which reduces the adhesive strength of the impregnated glue. , affecting the bonding quality of the glued panels

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0013] Example 1: 30 parts of phthalic anhydride, 65 parts of triethanolamine, and 130 parts of water were first mixed, heated to 100°C, and reacted under normal pressure for 20 minutes to make a reinforcing agent for later use. Then 5 parts of borax, 15 parts of ammonium polyphosphate, 0.5 part of ammonium molybdate, 30 parts of ammonium sulfate, 30 parts of diammonium hydrogen phosphate, and 15 parts of the reinforcing agent prepared above were mixed and stirred evenly to make a flame retardant.

[0014] Then, 3 parts by weight of the aforementioned flame retardant and 7 parts by weight of industrial water were mixed and stirred evenly to prepare a flame retardant solution.

[0015] Finally, 3 parts by weight of the aforementioned flame retardant solution and 7 parts by weight of the commercially available urea-modified melamine glue were stirred and mixed to prepare a flame-retardant impregnated glue for use.

[0016] Put the fir rotary-cut veneer into the impregnation tank...

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PUM

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Abstract

The invention relates to a method for making an anti-abrasion and fire-retardant panel by quick growing wood. The method comprises the following processes: rotatably cutting a single board, preparing fire-retardant soaking glue, soaking the single board into the fire-retardant soaking glue, laying and densifying the panel and so on. The fire-retardant soaking glue is preparing by mixing urea-modified melamine glue, an intensifier and a flame retardant; the single board is obtained by rotatably cutting the quick growing wood; a vacuum pressurizing and impregnating process is adopted to make the soaking glue infilter wood tissues, so as to improve the performances of fire retardance, smoke abatement and agglutination; then three pieces of single boards are stacked and laid through crisscrossing textures of the single boards; and the thickness of the panel is 4+ / - 0.5 mm, and the density reaches 1.0 to 1.2g / cm3 after the single boards are hotly pressed and densified. The panel has the advantages of fire retardance, smoke abatement, stable abrasion resistance, strong mildew resistance and strong weather resistance.

Description

technical field [0001] The invention relates to a production method of plywood, in particular to a production method of a wear-resistant and fire-resistant plywood panel. Background technique [0002] Wear-resistant wooden panels, the most commonly used method is to use expensive high-density materials as panels, raw materials are difficult to find, high cost; or the method of coating the surface with aluminum oxide wear-resistant layer is to use aluminum oxide film Abrasion resistance replaces the abrasion resistance of the wood surface layer, and does not fundamentally solve the abrasion resistance problem of the wood surface panel itself. CN1404975 discloses Ning Baiyi successively " the production technology of solid wood process composite strengthened board ", adopts black walnut, Sapele, Thai pomelo and other famous and precious woods to make face ply board exactly, there is the problem of raw material shortage, high cost. CN1164600 discloses Mr. Han Shuxiang's "wood ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27D1/04B27D1/08B32B21/13B27K3/52
Inventor 李延军于红卫鲍滨福
Owner ZHEJIANG FORESTRY UNIVERSITY
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