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High-density composite board specially used for wood floor and manufacturing method thereof

A technology of composite boards and manufacturing methods, which is applied in the direction of manufacturing tools, wood processing appliances, building structures, etc., and can solve problems that cannot meet the requirements of wood floor hardness, foot feel, dimensional stability, mechanical properties, warping deformation, and impact on physical health. and other issues, to achieve the effect of protecting natural forest resources and maintaining dimensional stability

Active Publication Date: 2012-04-11
内蒙古清研沙柳产业工程技术中心有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, solid wood flooring is a kind of ground decoration material that is popular with the public. According to the data, the annual demand for solid wood flooring is more than 100 million square meters, but there is a serious shortage of natural hard wood that can be used to make solid wood flooring. The development trend of boards replacing natural hard wood to make wooden floors, but artificial boards made by traditional wood-based panels, such as multi-layer plywood, MDF and other boards, have not changed the material properties of wood that expands when wet and shrinks when dry. The wooden floor made will warp and deform due to expansion and shrinkage under wet or dry conditions, and cannot meet the requirements of wood flooring for comprehensive indicators such as material hardness, foot feel, dimensional stability, and mechanical properties. Due to the sticky agent, there will be problems of excessive free formaldehyde affecting people's health

Method used

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  • High-density composite board specially used for wood floor and manufacturing method thereof
  • High-density composite board specially used for wood floor and manufacturing method thereof
  • High-density composite board specially used for wood floor and manufacturing method thereof

Examples

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Effect test

Embodiment 1

[0021] Embodiment 1: as figure 1 Shown, a kind of manufacturing method of high-density composite board special for wooden floor, concrete implementation steps are as follows:

[0022] The specifications of the implemented high-density composite panels are 1240×620×12㎜, and the density is 1.05 g / cm 3 ;

[0023] (1) Preparation of wood modifier: Add water-soluble phenolic resin with a solid content of 20% into the glue mixing tank, and add sulfonated lignin accounting for 5% of the total volume of the water-soluble phenolic resin with a solid content of 20% , account for the preservative of 3% of the total volume of water-soluble phenolic resin with a solid content of 20%, liquid bentonite that accounts for 10% of the total volume of water-soluble phenolic resin with a solid content of 20%, then open the stirrer and stir for 15 minutes, and The above ingredients are stirred and mixed to form a uniform wood modifier, which is stored in a liquid tank for later use;

[0024] (2)...

Embodiment 2

[0028] Embodiment 2: as figure 2 Shown, a kind of manufacturing method of high-density composite board special for wooden floor, concrete implementation steps are as follows:

[0029] The specifications of the implemented high-density composite panels are 1240×620×12㎜, and the density is 1.1 g / cm 3 ;

[0030](1) Deployment of wood modifier: Add water-soluble phenolic resin with a solid content of 25% into the glue mixing tank, and add sulfonated lignin accounting for 6% of the total volume of the water-soluble phenolic resin with a solid content of 25% , account for the preservative of 3% of the total volume of water-soluble phenolic resin with a solid content of 25%, liquid bentonite that accounts for 5% of the total volume of water-soluble phenolic resin with a solid content of 25%, then open the stirrer and stir for 15 minutes, and The above ingredients are stirred and mixed to form a uniform wood modifier, which is stored in a liquid tank for later use;

[0031] (2) So...

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Abstract

The invention relates to a high-density composite board specially used for a wood floor and a manufacturing method thereof. The manufacturing method comprises the following steps of: taking wood from a reproducible quickly growing tree as a main raw material; forming a wood modifier by water-soluble phenolic resins, preservatives, sulphonating lignin and liquid bentonite; modifying a veneer or wood strip and then forming a blank together with non-woven fabrics; and gluing the blank under high temperature and high pressure, thereby manufacturing the high-density composite board with a density of 0.8-1.2g / cm<3>. The wood property of wetting swelling and drying shrinkage of the wood is changed, thereby being capable of meeting the demands of the wood floor on various indexes, such as hardness, dimensional stability, appearance, foot feeling, mechanical property, environmental protection, and the like. Instead of natural hard wood, the high-density composite board specially used for the wood floor is used for manufacturing the wood floor, thereby meeting a floor decorative requirement of people while protecting a natural forest, reducing the usage of high energy-consumption floor decorative materials such as cement and ceramic tiles, and indirectly achieving an effect of energy conservation and emission reduction.

Description

technical field [0001] The invention relates to an artificial board and a manufacturing method thereof, in particular to a high-density composite board specially used for wooden floors and a manufacturing method thereof. Background technique [0002] At present, solid wood flooring is a kind of ground decoration material that is popular with the public. According to the data, the annual demand for solid wood flooring is more than 100 million square meters, but there is a serious shortage of natural hard wood that can be used to make solid wood flooring. The development trend of boards replacing natural hard wood to make wooden floors, but artificial boards made by traditional wood-based panels, such as multi-layer plywood, MDF and other boards, have not changed the material properties of wood that expands when wet and shrinks when dry. The wooden floor made will warp and deform due to expansion and shrinkage under wet or dry conditions, and cannot meet the requirements of wo...

Claims

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Application Information

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IPC IPC(8): E04F15/10B27M3/04
Inventor 李茂林
Owner 内蒙古清研沙柳产业工程技术中心有限公司
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