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Composite fiber board and manufacturing method thereof

A technology of composite fiber and plywood, which is applied in the field of composite materials to achieve the effects of low water absorption thickness expansion ratio, excellent mechanical properties, and good mechanical properties

Inactive Publication Date: 2015-08-19
鸿伟木业(仁化)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In the existing technology for manufacturing composite boards, although YJ-3 special glue for formaldehyde-free plywood is used, high temperature conditions higher than 100°C are usually used in the processing process. Precision testing instruments show that composite fiberboards manufactured under high temperature conditions There are traces of free formaldehyde and other harmful substances

Method used

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  • Composite fiber board and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A kind of composite fiberboard, its composition is as follows:

[0035] 30 parts of lignocellulose;

[0036] 13 pieces of bamboo chips;

[0037] 20 copies of YJ-3 special glue for formaldehyde-free plywood;

[0038] The method for manufacturing the composite fiberboard of this embodiment may further comprise the steps:

[0039] (1) Lignocellulose and bamboo chips are pulverized respectively by weight, and the particle size of each raw material mentioned above is pulverized to 300 orders;

[0040] (2) drying lignocellulose and bamboo chips after step (1) is ground, and mixing uniformly;

[0041] (3) Place the lignocellulose and bamboo chips mixed uniformly in the previous step at room temperature, and then add YJ-3 formaldehyde-free plywood special glue and stir until uniform;

[0042] (4) The fiberboard material in step (3) is pressurized in a mould, the temperature is 50° C., and the pressure is 2 MPa.

[0043] The obtained fiberboard is subjected to performance t...

Embodiment 2

[0045] A kind of composite fiberboard, its composition is as follows:

[0046] 35 parts of lignocellulose;

[0047] 12 parts of bamboo chips;

[0048] 15 copies of YJ-3 special glue for formaldehyde-free plywood.

[0049] The method for manufacturing the composite fiberboard of this embodiment may further comprise the steps:

[0050] (1) Lignocellulose and bamboo chips are pulverized respectively by weight, and the granularity of each raw material mentioned above is pulverized to 350 orders;

[0051] (2) drying lignocellulose and bamboo chips after step (1) is ground, and mixing uniformly;

[0052] (3) Place the lignocellulose and bamboo chips mixed uniformly in the previous step at room temperature, and then add YJ-3 formaldehyde-free plywood special glue and stir until uniform;

[0053] (4) The fiberboard material in step (3) is pressurized in a mould, the temperature is 55° C., and the pressure is 3 MPa.

Embodiment 3

[0055] A kind of composite fiberboard, its composition is as follows:

[0056] 35 parts of lignocellulose;

[0057] 15 parts of bamboo chips;

[0058] 20 copies of YJ-3 special glue for formaldehyde-free plywood;

[0059] The method for manufacturing the composite fiberboard of this embodiment may further comprise the steps:

[0060] (1) Lignocellulose and bamboo chips are pulverized respectively by weight, and the granularity of each raw material mentioned above is pulverized to 400 orders;

[0061] (2) drying lignocellulose and bamboo chips after step (1) is ground, and mixing uniformly;

[0062] (3) Place the lignocellulose and bamboo chips mixed uniformly in the previous step at room temperature, and then add YJ-3 formaldehyde-free plywood special glue and stir until uniform;

[0063] (4) The fiberboard material in step (3) is pressurized in a mould, the temperature is 55° C., and the pressure is 2.5 MPa.

[0064] The obtained fiberboard is subjected to performance te...

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Abstract

The invention discloses a composite fiber board. The composite fiber board comprises, by weight, 30-35 parts of lignocellulose, 12-15 parts of bamboo scraps and 15-20 parts of YJ-3 type formaldehyde-free plywood exclusive glue. The composite fiber board is manufactured by the above materials via extrusion forming, pressurizing temperature is 50 to 55 degrees Centigrade, and pressure intensity is 2-3 MPa. The fiber board has no free formaldehyde and has the advantages of low water absorption thickness swelling rate, good mechanical performance and the like, and products have excellent mechanical performance and the like. The composite fiber board is widely applicable to indoor decoration and furniture machining and the like. Meanwhile, the invention further provides a manufacturing method of the composite fiber board.

Description

technical field [0001] The invention relates to the field of composite materials, and more specifically relates to a composite fiber board and a manufacturing method thereof. Background technique [0002] Fiberboard is a wood-based panel made by interweaving lignocellulosic fibers and utilizing their inherent adhesive properties. Adhesives and additives can be applied during the manufacturing process, which are widely used in furniture, interior decoration, packaging and other industries. With the improvement of people's living standards, the performance requirements of the board are getting higher and higher. Especially the amount of formaldehyde released from the board directly affects the physical and mental health of human beings. The analysis of the results of national supervision and spot checks in the past 10 years found that most of the unqualified aspects are mainly part of the formaldehyde emission exceeding the standard, the water absorption thickness expansion ...

Claims

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Application Information

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IPC IPC(8): B27N3/04B27N3/08
CPCB27N3/04B27N3/08
Inventor 王建增
Owner 鸿伟木业(仁化)有限公司
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