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Compression-resistant bending-resistant enhanced fiber board material and preparation method thereof

A technology for reinforcing fiberboards and fibers, which is applied in the pretreatment of molding materials, manufacturing tools, flat products, etc., can solve the problem of mechanical strength restricting the in-depth use of plant fiberboards, mechanical strength such as low compressive strength and flexural strength, and plant fibers. Single type and other problems, to achieve the effect of improving strength, enhancing performance, improving compressive strength and flexural strength

Inactive Publication Date: 2015-09-23
SUZHOU DEXIANG DECORATION ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Technical problem to be solved: most of the common plant fiber boards are composed of lignocellulose, and the types of plant fibers are relatively single. Mechanical strength restricts the in-depth use of plant fiberboard, so it is necessary to improve the mechanical strength of fabric fiberboard materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] (1) Take silicon nitride powder and magnesium oxide powder, and grind the above two materials with a pulverizer respectively until the powder mesh of the above two components is 400 mesh;

[0050] (2) Take 22 parts of lignocellulose, 5 parts of glass fiber, 3 parts of bamboo fiber, 5 parts of sunflower stalk fiber, 8 parts of chitin fiber, 1.5 parts of coupling agent KH-550, and 3 parts of urea-formaldehyde resin by weight, Put the above ingredients into the mixing tank, start the stirring paddle, and stir the ingredients in the mixing tank, the stirring speed is 240rpm, and the stirring time is 30min;

[0051] (3) Then add 10 parts of crushed silicon nitride powder, 3 parts of magnesium oxide powder and 2 parts of dioctyl phthalate into the mixing tank, and then keep stirring at a constant speed for 30 minutes;

[0052] (4) After stirring evenly, put the mixed material in step (3) into the molding machine, and press for molding. The pressing pressure is 25MPa, and the ...

Embodiment 2

[0054] (1) Take silicon nitride powder and magnesium oxide powder, and grind the above two materials with a pulverizer respectively until the powder mesh of the above two components is 150 mesh;

[0055] (2) Take 12 parts of lignocellulose, 11 parts of glass fiber, 7 parts of bamboo fiber, 3 parts of sunflower stalk fiber, 4 parts of chitin fiber, 0.5 part of coupling agent KH-550, and 7 parts of urea-formaldehyde resin by weight, Put the above ingredients into the mixing tank, start the stirring paddle, and stir the ingredients in the mixing tank, the stirring speed is 60rpm, and the stirring time is 300min;

[0056] (3) Then add 5 parts of crushed silicon nitride powder, 6 parts of magnesium oxide powder and 1.5 parts of di-sec-octyl phthalate into the mixing tank, and then keep stirring at a constant speed for 30 minutes;

[0057] (4) After stirring evenly, put the mixed material in step (3) into the molding machine, and press for molding. The pressing pressure is 20MPa, an...

Embodiment 3

[0059] (1) Take silicon nitride powder and magnesium oxide powder, and grind the above two materials with a pulverizer respectively until the powder mesh of the above two components is 400 mesh;

[0060] (2) Take 15 parts of lignocellulose, 10 parts of glass fiber, 4 parts of bamboo fiber, 4 parts of sunflower stalk fiber, 7 parts of chitin fiber, 1.2 parts of coupling agent KH-550, and 4 parts of urea-formaldehyde resin by weight, Put the above ingredients into the mixing tank, start the stirring paddle, and stir the ingredients in the mixing tank, the stirring speed is 240rpm, and the stirring time is 30min;

[0061] (3) Add 9 parts of crushed silicon nitride powder, 5 parts of magnesium oxide powder and 1.6 parts of di-sec-octyl phthalate into the mixing tank, and then keep stirring at the same speed for 30 minutes;

[0062] (4) After stirring evenly, put the mixed material in step (3) into the molding machine, and press for molding. The pressing pressure is 25MPa, and the pr...

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Abstract

The invention relates to the field of fiber board, and discloses a compression-resistant bending-resistant enhanced fiber board material and a preparation method thereof. The enhanced fiber board material comprises 12-22 parts of lignocellulose, 5-11 parts of glass fiber, 3-7 parts of bamboo fiber, 3-5 parts of sunflower stem fiber, 4-8 parts of chitin fiber, 0.5-1.5 parts of a coupling agent KH-550, 3-7 parts of urea-formaldehyde resin, 5-10 parts of silicon nitride powder, 3-6 parts of magnesium oxide powder, and 1.5-2 parts of di-sec-octyl phthalate. The preparation method of the compression-resistant bending-resistant enhanced fiber board material comprises the following steps: (1) silicon nitride powder and magnesium oxide powder are crushed; (2) the materials are added into a mixing tank, and are mixed; (3) the mixed material is added into a forming machine, and is subjected to compression forming and cutting, such that the compression-resistant bending-resistant enhanced fiber board material is obtained.

Description

technical field [0001] The invention belongs to the field of fiber boards, and relates to a fiber board and a preparation method thereof, in particular to a compressive and anti-bending reinforced fiber board material and a preparation method thereof. Background technique [0002] Fiberboard, also known as density board, is a wood-based panel made of wood fiber or other vegetable fiber and applied with urea-formaldehyde resin or other suitable adhesives. Adhesives or additives may be applied during the manufacturing process. Fiberboard has the advantages of uniform material, small vertical and horizontal strength difference, not easy to crack, etc., and has a wide range of uses. It takes about 2.5-3 cubic meters of wood to make 1 cubic meter of fiberboard, which can replace 3 cubic meters of sawn timber or 5 cubic meters of logs. The development of fiberboard production is an effective way to comprehensively utilize wood resources. Fiberboard production has a wide range ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/00C08L97/02C08L5/08C08L61/24C08K13/04C08K7/14C08K3/34C08K3/22C08K5/12C08K5/544C08J5/04B29C43/58B27N1/00B27N3/08B27N3/04
Inventor 秦勇
Owner SUZHOU DEXIANG DECORATION ENG
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