Light fiberboard and preparation thereof

A technology for lightweight fiberboard and slab, applied in the field of lightweight fiberboard, can solve problems such as environmental pollution, and achieve the effects of reducing product cost, low price and simple preparation process

Inactive Publication Date: 2008-07-02
卢洪英
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is also to provide a preparation method of lightweight fiberboard, wh

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0033] Example 1

[0034] A kind of lightweight fiberboard whose composition is expressed by mass ratio as:

[0035] 1000kg of poplar (wood) branches, 1kg of polyacrylamide flocculant, 25kg of phenolic resin glue, 1kg of paraffin wax.

[0036] The preparation method includes the following steps:

[0037] (1) Wood selection and slice

[0038] Cut the wood into pieces of 3-10cm in diameter and 1-3cm in length;

[0039] (2) Steaming, hot grinding

[0040] Take the wood section with a moisture content of 30%-50% and place it in a cooking pot for cooking into wood fiber. Make the wood fiber diameter 0.1-0.5mm and length 1-8mm for use. If the wood section moisture content is too high or too low, it should be done first Water content treatment;

[0041] (3) Homogeneous pulping

[0042] Add phenolic resin glue and paraffin wax to the homogenizing tank containing wood fiber, stir for 20-30 minutes, then put the material into the slurry storage well with stirring, and then add polyacrylamid...

Example Embodiment

[0057] Example 2

[0058] A kind of lightweight fiberboard whose composition is expressed by mass ratio as:

[0059] 800kg of mixed branches of poplar, willow and sycamore (wood), 200kg of mixed branches of plow, peach and locust wood, 3kg of polyacrylamide flocculant, 30kg of phenolic resin, 4kg of paraffin wax, 15kg of aluminum sulfate, and commercial brightener VDL2kg, commercial enhancer high-strength cellulose 2kg.

[0060] The preparation method includes the following steps:

[0061] (1) Wood selection and slice

[0062] Cut the wood into pieces of 3-10cm in diameter and 1-3cm in length;

[0063] (2) Steaming, hot grinding

[0064] Take the wood section with a moisture content of 30%-50% and place it in a cooking pot for cooking into wood fiber, making the wood fiber 0.1-0.5mm in diameter and 1-8mm in length for later use;

[0065] (3) Homogeneous pulping

[0066] Add phenolic resin glue, paraffin wax, aluminum sulfate, commercially available brightener VDL, and commercially...

Example Embodiment

[0081] Example 3

[0082] A kind of lightweight fiberboard whose composition is expressed by mass ratio as:

[0083] 700kg of mixed branches of poplar and willow (wood), 300kg of apple wood, 2.5kg of polyacrylamide flocculant, 40kg of phenolic resin, 5kg of paraffin wax, 30kg of aluminum sulfate, 3kg of commercial brightener VDL, commercial enhancer of high-strength cellulose 3kg.

[0084] The preparation method includes the following steps:

[0085] (1) Wood selection and slice

[0086] Cut the wood into pieces of 3-10cm in diameter and 1-3cm in length;

[0087] (2) Steaming, hot grinding

[0088] Take the wood section with a moisture content of 30%-50% and place it in a cooking pot for cooking into wood fiber, making the wood fiber 0.1-0.5mm in diameter and 1-8mm in length for later use;

[0089] (3) Homogeneous pulping

[0090] Add phenolic resin glue, paraffin wax, aluminum sulfate, commercially available brightener VDL, and commercially available enhancer high-strength cellul...

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Abstract

The invention discloses an artificial light fiber plate and a preparation method thereof, consisting of cottonwood, willow, platane wood (wood material), fruit trees, locusts, benfite, phenolic-resin glue, wax, aluminum sulphate, whitener and reinforcer. The preparation method comprises the steps of (1) selection and slicing of wood; (2) stewing and hot grinding; (3) material mixing and pulp preparation; (4) forming of slab; (5) secondary dehydration; (6) baking and shaping; (7) coating protection layer on the plate surface (8) grinding and thickness fixing; (9) spraying the protection layer on the back surface of the plate; (10) obtaining a finished light fiber plate through trimming and packaging. The compounded raw material of the invention is easy to be obtained; trees and branches can be taken as main raw material wood; the invention has the advantages of low price, wide source of raw material, low cost of product, having superiority of market competitiveness, reaching the performance level of abroad similar product, simple process of the preparation method, draining no polluted water, no environmental pollution in the whole process, being the improvement of wet-method plate preparation and meeting corresponding requirement of environmental protection.

Description

technical field [0001] The invention relates to a lightweight fiberboard, which belongs to the technical field of artificial boards. Background technique [0002] With the progress of society and the improvement of human awareness of environmental protection, wood-based panels are gradually replacing natural wood in the fields of architectural decoration. Usually wood-based panels generally include high-density boards, medium-density boards and low-density boards (also known as lightweight boards). With the continuous development of construction and decoration technology, the amount of low-density boards is increasing due to its unique properties. The production methods of wood-based panels are divided into two methods: dry method and wet method. Dry method is widely used because of its economy and practicality, energy saving and environmental protection requirements. In the disclosed prior art, the technology for producing high-density boards and medium-density boards is ...

Claims

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Application Information

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IPC IPC(8): B27N3/04B27N1/00B27N1/02B27N3/12B27N3/18B27N7/00
Inventor 卢洪英
Owner 卢洪英
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