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Flame-retardant oriented strand board

A technology of oriented strand board and shavings, which is applied in the jointing of wooden veneers, coating impregnation, and wood layered products, etc., which can solve the problem of interfacial bonding of veneer interfaces with dyeing agents, poor compatibility of water-based adhesives, and bleaching and dyeing processes. Environmental pollution and other issues, to achieve the effect of low formaldehyde and VOC release, good compatibility, and good penetration function

Active Publication Date: 2016-06-01
DEHUA TB NEW DECORATION MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

CN103171014B (2015-4-15) discloses a preparation method of scientific and technological wood, but the formaldehyde emission of the technological wood is high, the dyeing agent is difficult to penetrate, easy to lose, not weather-resistant, poor compatibility with water-based adhesives, and environmental pollution in the bleaching and dyeing process More serious; because the flame retardant seriously interferes with the color development of the dye and the interface gluing of the dyed veneer, this technical wood has not been treated with flame retardant, and its functionality needs to be improved

Method used

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  • Flame-retardant oriented strand board
  • Flame-retardant oriented strand board
  • Flame-retardant oriented strand board

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0146] The preparation method of β-cyclodextrin peppermint oil micropowder is as follows: at 20°C, mix β-cyclodextrin and peppermint oil at a mass ratio of 8:65, and peppermint oil is embedded in the cavity of β-cyclodextrin in the form of molecules , forming β-cyclodextrin peppermint oil micropowder in clathrate form;

[0147] The extraction method of bamboo leaf flavonoids is as follows: select the dry leaves of the lower part of the bamboo that is more than six years old in Moganshan, Deqing, and grind them into 0.5mm bamboo leaf fine powder; Add 75wt% methanol solution to dissolve and filter, and take the filtrate as the liquid to be separated by column chromatography.

[0148] Three-component compound solution formula two

[0149] It is composed of biomass nanofiber solubilizer, flame retardant and acidic disazo dye compound solution according to the mass ratio of 1:40:100;

[0150] The configuration of biomass nanofiber solubilizer: by weight, 1 part of bamboo leaf f...

Embodiment 1

[0192] The flame-retardant oriented strand board includes a core layer of oriented four-layer paving flame-retardant particle layer, and a facing layer that is respectively pressed and glued on the upper surface and lower surface of the core layer of directional four-layer pavement flame-retardant particle layer;

[0193] The facing layer is decorative paper, and the core layer is directional four-layer paving flame-retardant particle layer and the facing layer are directly pressed and bonded with a balance layer;

[0194] The decorative paper is impregnated with melamine-formaldehyde resin or melamine-modified urea-formaldehyde resin, and the decorative paper added with formaldehyde decomposition glue; the core layer is oriented four-layer paving flame-retardant paring layer, and soybean adhesive is respectively set between the balance layer and the facing layer Reinforcement layer made from recipe one.

[0195] The flame retardant in the directional four-layer pavement flame...

Embodiment 2

[0198] The flame-retardant oriented strand board includes a core layer of oriented four-layer paving flame-retardant particle layer, and a facing layer that is respectively pressed and glued on the upper surface and lower surface of the core layer of directional four-layer pavement flame-retardant particle layer;

[0199] The facing layer is decorative paper, and the core layer is directional four-layer paving flame-retardant particle layer and the facing layer are directly pressed and bonded with a balance layer;

[0200] The decorative paper is impregnated with melamine-formaldehyde resin or melamine-modified urea-formaldehyde resin, and the decorative paper added with formaldehyde decomposition glue; the core layer is oriented four-layer paving flame-retardant paring layer, and soybean adhesive is respectively set between the balance layer and the facing layer Reinforcement layer made from recipe two.

[0201] The flame retardant in the directional four-layer pavement flame...

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Abstract

The invention relates to boards, in particular to a flame-retardant oriented strand board. The flame-retardant oriented strand board comprises a core layer oriented four-layer laying flame-retardant strand layer and facing layers which are pressed and glued to the upper surface and the lower surface of the core layer oriented four-layer laying flame-retardant strand layer correspondingly. A fire retardant in the flame-retardant strand layer is a magnesium-aluminum nano layered double metal hydroxide fire retardant. The fire retardant comprises, by molar mass, 1-5 parts of magnesium chloride, 0.5-1.2 parts of aluminum chloride, 0.5-1 part of sodium hydroxide and 0.6-1.3 parts of sodium carbonate. The facing layers are made of anyone of decorative paper, veneer or engineered veneer. When the facing layers are made of the decorative paper, balancing layers are further pressed and glued between the core layer oriented four-layer laying flame-retardant strand layer and the facing layers. The engineered veneer with the required thickness is formed by slicing functional engineered wood. The flame-retardant strand layer is vivid in decoration effect, low in cost and good in formaldehyde purifying effect.

Description

technical field [0001] The invention relates to a board, in particular to a flame-retardant oriented strand board. Background technique [0002] As the problem of global warming becomes increasingly prominent and extreme weather occurs frequently, the low-carbon economy with the theme of "low emissions, low pollution, and low energy consumption" is increasingly recognized and respected by people. Under such background conditions, the wood industry is playing an increasingly important role in developing a low-carbon economy and coping with climate change by taking advantage of its inherent "green", "environmental protection" and "clean" characteristics. Wood and wood products have a good carbon sequestration effect. As long as it does not rot or burn, the carbon sequestration function of wood and wood products will continue for a long time and stably. Some carbon fixation time can reach decades, hundreds of years. Therefore, increasing the use of wood and prolonging the se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27K5/02B27K5/00B27K3/12B27D1/04B27D1/08B27K3/52B32B21/13B32B33/00
CPCB27D1/04B27D1/086B27K3/12B27K3/52B27K5/00B27K5/02B27K2200/30B27K2240/30B32B21/13B32B33/00
Inventor 杨勇陈达施晨阳周宝林高顺叶冬徐凯单云峰
Owner DEHUA TB NEW DECORATION MATERIAL CO LTD
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