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Novel artificial board and manufacturing method thereof

A production method and technology for wood-based panels, which are applied to flat products, manufacturing tools, other household appliances, etc., can solve problems such as lack of surface flatness, and achieve the effects of excellent interlayer bonding, tight and reliable bonding, and simple process steps.

Inactive Publication Date: 2021-03-12
亚恪新材料(江苏)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Not limited to the above two patent application schemes, although each has its technical effects recorded in the technical effect column of the description, but as far as the finally obtained wood-based panel is concerned, there is also the problem of lack of surface flatness mentioned by the applicant above.

Method used

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  • Novel artificial board and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] See figure 1 , figure 1 The manufacture method of the novel wood-based panel shown comprises the steps:

[0024] A) prepare the inner core layer 1, choose preferably to buy from commercial channels but also can be self-made multi-layer plywood with a thickness of 25mm as the inner core layer 1, stand-by, the raw material of the multi-layer plywood described in this step is wood Wood waste generated during processing or wood product processing, the wood waste is any one or a combination of wood shavings, chips, wood fibers, sawdust, miscellaneous strips, miscellaneous pieces, and granular debris, that is, A variety of mixtures, wood waste and formaldehyde-free flame-retardant environmentally friendly adhesives are mixed according to mass percentages of 75% and 25% respectively, and then pressed under high temperature and high pressure and formed after a reasonable period of time. In this embodiment , the formaldehyde-free flame-retardant and environment-friendly adhesi...

Embodiment 2

[0028] The figure is omitted, only the raw material of the inner core layer 1 in step A) is changed to a mixture of wood waste and plant material, and the mixing ratio of the two can be any weight ratio, but the preferred weight ratio is 1:1. The thickness of the inner core layer 1 is changed to 5mm, and the aforementioned plant material is any one or more mixtures of rice straw, bagasse, waste hemp fiber, plant stems and vines; Instead, the mixture of wood waste and plant material described in step A) is thermally ground into a powder material with a 130 mesh sieve, and the moisture content is changed to 10%, and the addition of the adhesive is changed to wood waste 22% of the weight of the mixture with the plant material; only change the temperature of the high-temperature and high-pressure device in step C) to 105°C, the pressure of the high-temperature and high-pressure device to 2MPa, change the natural curing time to 60h, and change the first smooth finish The thicknesse...

Embodiment 3

[0030]The figure is omitted, only the material of the inner core layer 1 in step A) is changed to a tooth joint plate purchased from commercial channels, and the thickness of the inner core layer 1 is changed to 10mm; only the smashing in step B) is changed to For the thermal grinding of woody waste material described in step A) into the powder material of crossing 120 mesh sieves, and the moisture content is changed into 6%, and the addition of adhesive is changed into 25% of woody waste material weight; Change the temperature of the high temperature and high pressure device in step C) to 150°C, change the pressure of the high temperature and high pressure device to 6MPa, change the natural curing time to 48h, and change the thicknesses of the first smooth finish layer I2 and the second smooth finish layer II3 Each changed to 2.4mm. All the other are the same as the description to embodiment 1.

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Abstract

The invention discloses a novel artificial board and a manufacturing method thereof and belongs to the technical field of plywood and preparation thereof. The method comprises the following steps of selecting a multi-layer plywood, a blockboard or a toothed plate as an inner core layer for later use; crushing or hot-grinding wood waste materials and / or plant materials into powder, drying, adding an adhesive, and uniformly stirring to obtain a facing layer material; firstly, spreading the facing layer material on the surfaces of one side and the other side of the inner core layer through a spreading machine, then introducing a high-temperature and high-pressure device for press fit, and performing maintenance after the facing layer material is taken out of the high-temperature and high-pressure device; and then performing sanding to form a first smooth facing layer which is combined with the inner core layer into a whole on the surface of one side of the inner core layer and a second smooth facing layer which is combined with the inner core layer into a whole on the surface of the other side of the inner core layer, and finally performing fixed-length cutting to obtain the novel artificial board. The situations of separation, hollowing, cross bars and the like which damage appearance are avoided; the impact resistance and the weather resistance are realized; and the process steps are simple, and the obtained artificial board has good green, environment-friendly, flame-retardant and safe properties.

Description

technical field [0001] The invention belongs to the technical field of plywood and its preparation, specifically relates to a novel artificial board and also relates to a manufacturing method of the novel artificial board. Background technique [0002] Wood-based panels are boards or pressed products made of wood or other non-wood plants, which are separated into various unit materials by certain mechanical processing, and then glued with or without adhesives and other additives, mainly including plywood, shavings (crumbs) ) board and fiberboard, etc., there are hundreds of extended products and deep-processed products. The positive significance of wood-based panels is that it can improve the comprehensive utilization of wood. For example, one cubic meter of wood-based panels can replace three to five cubic meters of log materials; it can be widely used in furniture production and building interior decoration materials. The aforementioned examples of improving the comprehen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27D1/04B27N3/08
CPCB27D1/04B27N3/08
Inventor 姜永芳
Owner 亚恪新材料(江苏)有限公司
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