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Mesoporous molecular sieve modified flame-retardant solid wood board and preparation method thereof

A technology of mesoporous molecular sieves and solid wood boards, which is applied in the direction of wood layered products, wood processing appliances, and the joining of wooden veneers, and can solve problems such as human and environmental hazards, excessive smoke, corrosive gases, and toxic gases. Achieve the effects of improving bonding strength, solving warping deformation, and increasing carbon formation rate

Inactive Publication Date: 2016-04-27
LANGFANG HUARI FURNITURE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, halogenated flame retardants are the most widely used in production and application. The earliest flame retardant products of wood materials are all halogenated flame retardants, but because they generate more smoke, corrosive gases and toxic gases when burned, they are harmful to the environment. It is harmful to the human body and the environment, and has been banned in Europe and the United States

Method used

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  • Mesoporous molecular sieve modified flame-retardant solid wood board and preparation method thereof
  • Mesoporous molecular sieve modified flame-retardant solid wood board and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as figure 2 As shown, in order to increase the penetration and sizing area of ​​the flame retardant, the inner surface of the solid wood board is artificially scored and processed for later use; add 5% SBA-15 mesoporous molecular sieve in 10kg of flame retardant ammonium polyphosphate (APP) , 4% MJB-MS type wood penetrating agent and 0.5% silane coupling agent are modified for subsequent use; in 5kg urea-formaldehyde resin glue (UF), add 10% flour, 1% ammonium chloride to adjust Stir and mix with the flame retardant modified by molecular sieve after gluing; paint the mixed sizing material on the surface of the scored solid wood board; Carry out billet assembly; send the assembled solid wood board into a hot press for hot pressing with a hot pressing pressure of 2.0-2.5MPa, a hot-pressing temperature of 95-120°C, and a hot-pressing time of 0.5-0.8min / mm. After hot pressing and cooling, trim the edge to obtain a mesoporous molecular sieve modified flame-retardant s...

Embodiment 2

[0029] In order to increase the penetration and sizing area of ​​the flame retardant, the inner surface of the solid wood board is artificially scored for later use; add 4% MCM-41 mesoporous molecular sieve, 4% The MJB-MS type wood penetrating agent and 1% silane coupling agent are modified for later use; add 10% flour and 1% ammonium chloride in 8kg phenolic resin glue (PF) and adjust the glue with Stir and mix the flame retardant modified by molecular sieve; paint the mixed rubber on the surface of the scored solid wood board; then assemble the glued solid wood board according to the vertical-horizontal-longitudinal method ; Send the finished solid wood board into a hot press for hot pressing, with a hot pressing pressure of 3.5-4.0MPa, a hot-pressing temperature of 120-150°C, and a hot-pressing time of 1.0-1.5min / mm. After hot pressing and cooling, trim the edge to obtain a mesoporous molecular sieve modified flame-retardant solid wood board.

Embodiment 3

[0031] In order to increase the penetration and sizing area of ​​the flame retardant, the inner surface of the solid wood board is artificially scored and processed for later use; add 4% mesoporous SiO2 molecular sieve, 4% MJB in 20kg flame retardant ammonium polyphosphate (APP) - MS type wood penetrating agent and 1% silane coupling agent are modified and used for later use; add 10% flour and 1% ammonium chloride to 10kg furan resin glue to adjust the glue and then modify it with molecular sieve Stir and mix the flame retardant; paint the mixed glue on the surface of the scored solid wood board; then assemble the glued solid wood board according to the vertical-horizontal-longitudinal method; The good solid wood boards are sent to the hot press machine for hot pressing, the hot pressing pressure is 0.8-1.2MPa, the hot-pressing temperature is 120-150°C, and the hot-pressing time is 1.5-2.5min / mm. After hot pressing and cooling, trim the edge to obtain a mesoporous molecular si...

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Abstract

The invention provides mesoporous molecular sieve modified anti-flaming solid wood panels which comprise a longitudinal solid wood board, a middle transverse solid panel and a bottom layer longitudinal solid wood panel. The preparation method comprises the following steps: S1, manual scoring processing is conducted on the inner surfaces of the solid wood panels, and the inner surfaces of the solid wood panels are reserved; S2, modified processing is conducted on fire retardant, and fire retardant is reserved; S3, 10 % of flour and 1 % of ammonium chloride are added in glue, the glue is mixed and is reserved; S4, the glue after being mixed in the S3 is stirred and mixed with the fire retardant after being modified in the S2; S5, the glue after by mixed in the S4 is coated on the surfaces of the solid wood panels after scoring processing is conducted in the S1; S6, the solid wood panels after being glued are assembled according to a vertical-horizontal-vertical mode; and S7, the solid wood panels after being assembled are sent to a hot press to conduct hot press, after hot press is finished and the solid woodpanels are cooled, edge cutting is conducted on the solid wood panels to obtain mesoporous molecular modified anti-flaming solid wood panels. The mesoporous molecular sieve modified anti-flaming solid wood panels and the preparation method of the mesoporous molecular sieve modified anti-flaming solid wood panels have good anti-flaming and smoke suppression effect, and avoid buckling deformation.

Description

technical field [0001] The invention belongs to the field of nano-flame-retardant materials, and in particular relates to a preparation method of a solid wood board capable of preventing warping and deformation and highly efficient flame-retardant and smoke-suppressing properties, which can be used for furniture solid wood table boards, cabinet boards and wall decoration boards. Background technique [0002] Wood material is light in weight, has elasticity, good thermal insulation performance, and can be sawed and processed at will, but it is flammable and is one of the sources of fire, which brings great harm to people's lives and property. At present, halogenated flame retardants are the most widely used in production and application. The earliest flame retardant products of wood materials are all halogenated flame retardants, but because they generate more smoke, corrosive gases and toxic gases when burned, they are harmful to the environment. The harm to the human body a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27D1/04B27D1/08B32B7/12B32B21/13B32B37/12B32B37/10B32B37/06C09J161/06C09J161/24C09J161/00C09J11/04
Inventor 周旭恩陶涛陈星艳陈凤义
Owner LANGFANG HUARI FURNITURE CO LTD
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