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Wood flame retardant and application thereof

A fire retardant and wood technology, applied in wood treatment, impregnated wood, wood impregnation, etc., can solve the problems of plywood with great influence on mechanical properties, poor loss resistance and aging resistance, and inconspicuous flame retardant effect, etc., to achieve smoke suppression Environmentally friendly, good flame retardant effect, good smoke suppression effect

Inactive Publication Date: 2017-04-05
防城港市林木良种繁育中心苗圃
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although wood flame retardants are widely used in plywood, the existing wood flame retardants still have the following problems: the flame retardant effect is not obvious, the cost is high, the loss resistance and aging resistance are poor, and the mechanical properties of plywood are greatly affected. And other issues

Method used

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  • Wood flame retardant and application thereof

Examples

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Effect test

Embodiment 1

[0026] A wood flame retardant, comprising the following raw materials in parts by weight: 25 parts of melamine, 30 parts of boric acid, 10 parts of zinc borate, 10 parts of sodium sulfate and 10 parts of sodium tripolyphosphate.

[0027] The preparation method of the described wood flame retardant comprises the following steps: weighing melamine, boric acid, zinc borate, sodium sulfate and sodium tripolyphosphate by weight, adding them into a pulverizer and pulverizing them to 120 mesh, and then mixing the components , and finally add water to prepare a wood flame retardant solution with a mass concentration of 10%.

[0028] The application of described wood flame retardant in the production of flame retardant fiberboard comprises the following production steps:

[0029] (1) Select a veneer with few knots and few defects, clean the surface, dry the veneer to a moisture content of 8%, and then soak it in a wood flame retardant solution with a mass concentration of 10% for 24 ho...

Embodiment 2

[0034] A wood flame retardant, comprising the following raw materials in parts by weight: 35 parts of melamine, 40 parts of boric acid, 15 parts of zinc borate, 20 parts of sodium sulfate and 15 parts of sodium tripolyphosphate.

[0035] The preparation method of the described wood flame retardant comprises the following steps: weighing melamine, boric acid, zinc borate, sodium sulfate and sodium tripolyphosphate by weight, adding them into a pulverizer and pulverizing them to 120 mesh, and then mixing the components , and finally add water to prepare a wood flame retardant solution with a mass concentration of 10%.

[0036] The application of described wood flame retardant in the production of flame retardant fiberboard comprises the following production steps:

[0037] (1) Select a veneer with few knots and few defects, clean the surface, dry the veneer to a moisture content of 10%, and then soak it in a wood flame retardant solution with a mass concentration of 15% for 24 h...

Embodiment 3

[0042] A wood flame retardant, comprising the following raw materials in parts by weight: 30 parts of melamine, 35 parts of boric acid, 12 parts of zinc borate, 15 parts of sodium sulfate and 12 parts of sodium tripolyphosphate.

[0043] The preparation method of the described wood flame retardant comprises the following steps: weighing melamine, boric acid, zinc borate, sodium sulfate and sodium tripolyphosphate by weight, adding them into a pulverizer and pulverizing them to 120 mesh, and then mixing the components , and finally add water to prepare a wood flame retardant solution with a mass concentration of 10%.

[0044] The application of described wood flame retardant in the production of flame retardant fiberboard comprises the following production steps:

[0045] (1) Select a veneer with few knots and few defects, clean the surface, dry the veneer to a moisture content of 9%, and then soak it in a wood flame retardant solution with a mass concentration of 12% for 24 ho...

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Abstract

The invention relates to the technical field of wood processing and particularly relates to a wood flame retardant and an application thereof. The wood flame retardant includes, by weight, 25-35 parts of melamine, 30-40 parts of boron acid, 10-15 parts of zinc borate, 10-20 parts of zinc sulfate, and 10-15 parts of sodium tripolyphosphate. The raw materials of the wood flame retardant have synergistic flame retarding effects, so that the flame retardant is good in flame retarding effect, is low-toxicity, has good smoke inhibition property and is environment-friendly, and is also low in cost. Flame retarding plywood produced from the flame retardant is significantly improved in flame retarding performance, which can reach C-level fireproofing grade in national standard. Bonding strength and maximum fracture load of the plywood are approximated to plywood produced without the flame retardant.

Description

technical field [0001] The invention relates to the technical field of wood processing, in particular to a wood flame retardant and its application. Background technique [0002] Due to the excessive use of wood by humans, the number of various valuable and large-diameter woods is getting less and less, so humans realize the comprehensive utilization of wood in various ways. The birth of wood-based panels marks the beginning of the modern era of wood processing, which makes the process develop from simply changing the shape of wood to improving the properties of wood. People plant artificial forests and make various wood-based panels from the wood cut from the artificial forests, so as to meet people's needs for precious wood and large-diameter wood. Making wood into wood-based panels maintains the characteristics of lightness and good mechanical properties of logs, and at the same time has large format, good structure, and convenient construction; low expansion and contrac...

Claims

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Application Information

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IPC IPC(8): B27K3/52B27D1/04
CPCB27K3/52B27D1/04B27K2240/30
Inventor 苏学鹏李宏春
Owner 防城港市林木良种繁育中心苗圃
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