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A fire-resistant and anti-folding bamboo fiber board and preparation method thereof

A bamboo fiber and fire-resistant technology, applied in the field of fiberboard, can solve the problems of life and health affecting the range of use of fiberboard, failure to meet the requirements of furniture use, low fire protection level, etc., to improve biodegradability and environmental affinity, excellent fire resistance Flame retardant and mechanical properties, the effect of preventing the return of halogen and moisture

Active Publication Date: 2022-03-18
广东竹中竹制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, because the raw materials contain more wood fibers, and wood fibers contain more tannins, formaldehyde is easily formed and released during the use of the board, which seriously affects the scope of use of fiber boards and the lives and health of personnel; and the fire rating Low, can not meet the requirements of furniture use

Method used

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  • A fire-resistant and anti-folding bamboo fiber board and preparation method thereof
  • A fire-resistant and anti-folding bamboo fiber board and preparation method thereof
  • A fire-resistant and anti-folding bamboo fiber board and preparation method thereof

Examples

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preparation example Construction

[0031] In some preferred embodiments, the preparation method of the self-made water-soluble adhesive includes the following steps: (1) mix polyvinyl alcohol 1699, polyvinyl alcohol 2488 with boiling water at 80-90°C at a ratio of 1:1: Mix at a ratio of 20, and stir at a high speed until it is completely dissolved; (2) After the stirring is completed, add polyacrylamide, borax, acetaldehyde, defoamer and silicon dioxide for modification, continue to stir rapidly for 2 to 3 hours, and react After completion, it is filtered to obtain the desired water-soluble adhesive.

[0032] The bamboo fiberboard prepared by adding self-made water-soluble glue as an adhesive can effectively improve the wear resistance, thermal stability and curing speed of the bamboo fiberboard. The applicant speculates that: the polyacrylamide added to the self-made water-soluble glue is a linear high molecular polymer, which has a good flocculation effect, can reduce the frictional resistance between the com...

Embodiment 1

[0054] Embodiment 1 provides a fire-resistant and anti-folding bamboo fiberboard, the raw materials include the following parts by weight: 40 parts of bamboo tendons, 8 parts of magnesium sulfate, 8 parts of magnesium chloride, 40 parts of magnesium oxide, 3 parts of aluminum hydroxide, 12 parts of aluminum oxide, 5 parts of low-temperature calcined kaolin, 20 parts of water-soluble adhesive, 8 parts of magnesium sulfate whiskers, 4 parts of polyvinyl alcohol fiber, 2 parts of silica fiber; the average particle size of magnesium oxide, aluminum hydroxide, and aluminum oxide Both are 600 mesh.

[0055] In this example, the water-soluble adhesive is self-made, and the steps include the following steps: (1) Mix 5 parts of polyvinyl alcohol 1699, 5 parts of polyvinyl alcohol 2488 with 100 parts of boiling water at 90°C, and stir at high speed until it is completely dissolved (2) Add 2 parts of polyacrylamide, 1 part of borax, 1 part of acetaldehyde, 0.5 part of silicone defoamer a...

Embodiment 2

[0066] The specific implementation of this example is the same as that of Example 1, except that the average particle size of magnesium oxide, aluminum hydroxide, and aluminum oxide is 400 mesh.

[0067] The bamboo fiber board that present embodiment is made is marked as Z2.

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Abstract

The invention discloses a fire-resistant and anti-folding bamboo fiberboard and a preparation method thereof. The raw materials include the following parts by weight: 30-40 parts of bamboo fiber, 30-50 parts of magnesium compounds, 10-15 parts of aluminum compounds, 4-6 parts of kaolin, 15-25 parts of adhesive, 10-16 parts of reinforcing material. The present invention can effectively prevent the occurrence of brine and moisture return through a reasonable proportion of inorganic additives and the synergistic effect of bamboo, and solve the pain points of the board industry for many years, so that the bamboo fiber board has excellent fire resistance, flame retardancy and mechanical properties. It has excellent waterproof performance, is suitable for promotion in the field of environmental protection fiberboard, and has broad development prospects.

Description

technical field [0001] The invention relates to the field of fiberboards, in particular to a fire-resistant and anti-folding bamboo fiberboard and a preparation method thereof. Background technique [0002] China's bamboo processing technology and level are in the leading position in the world, and bamboo wood-based panels are the main product and core of bamboo processing. Among them, bamboo fiberboard has been widely used in construction, furniture and other industries due to its uniform structure and excellent processing performance. However, formaldehyde-based adhesives are basically used in the manufacture of bamboo fiberboards. The harmful substance formaldehyde will be released during the production and use of bamboo fiberboards, which will cause great harm to the health of employees and consumers. It is urgent to develop formaldehyde-free bamboo fiberboards. In addition, the nutrients necessary for mold such as sugar, starch, and protein contained in bamboo itself a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/32C04B18/26C04B20/04C04B20/02C04B111/28
CPCY02W30/91
Inventor 何增明何智平
Owner 广东竹中竹制品有限公司