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Metalized wood functional material and preparation method thereof

A functional material and metallization technology, applied in the direction of wood processing equipment, pretreatment of molding materials, flat products, etc., can solve the problem of low density, achieve the effect of ensuring strength, ensuring electrical and thermal conductivity, and improving strength

Active Publication Date: 2018-08-17
CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these composite materials are either inseparable from adhesives, or inseparable from good logs, or have low density; therefore, there are certain limitations in terms of environmental protection, material saving, and application fields

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A metallized woody functional material is made of four types of materials: tall grass stems, woody composite powder, tin-bismuth alloy and natural resin.

[0025] The stalk of the tall grass is a reed with a diameter of 10mm.

[0026] The wood composite powder is a homogeneous mixture of wood powder and bioplastic powder made from reed waste, and the particle size of the homogeneous mixture is 0.075-0.045 mm; the ratio of wood powder to bioplastic powder is 1:1.

[0027] In terms of weight percentage, the bioplastic powder includes: 60% high-density polyethylene and 40% wood powder; the wood powder is made of reed stalk waste.

[0028] The bioplastic powder is a wood-plastic composite powder with a particle size of 0.15-0.25 mm, which is made from a mixture of high-density polyethylene and wood powder through kneading, crushing, fine grinding, and screening processes.

[0029] The tin-bismuth alloy is a tin-bismuth alloy wire with a melting point of 135-180° C., and it...

Embodiment 2

[0039] A metallized woody functional material is made of four types of materials: tall grass stems, woody composite powder, tin-bismuth alloy and natural resin.

[0040] The stalk of the tall grass plant is the stalk of Sizhu luteus with a diameter of 15mm.

[0041] The wood composite powder is a homogeneous mixture of wood powder and bioplastic powder made from the stalk scraps of xiaoqinsizhu, and the particle size of the homogeneous mixture is 0.075-0.045 mm; The ratio is 1:1.

[0042] In terms of weight percentage, the bioplastic powder includes: 70% of high-density polyethylene, 30% of wood powder;

[0043] The bioplastic powder is a wood-plastic composite powder with a particle size of 0.15-0.25 mm, which is made from a mixture of high-density polyethylene and wood powder through kneading, crushing, fine grinding, and screening processes.

[0044] The tin-bismuth alloy is a tin-bismuth alloy wire with a melting point of 135-180° C., and its wire diameter is 5 mm.

[0...

Embodiment 3

[0054] A metallized woody functional material is made of four types of materials: tall grass stems, woody composite powder, tin-bismuth alloy and natural resin.

[0055] The stalk of the tall grass plant is the stalk of Sizhu luteus with a diameter of 13mm.

[0056] The wood composite powder is a homogeneous mixture of wood powder and bioplastic powder made from the stalk scraps of xiaoqinsizhu, and the particle size of the homogeneous mixture is 0.075-0.045 mm; The ratio is 1:1.

[0057] In terms of weight percentage, the bioplastic powder includes: 65% of high-density polyethylene, 35% of wood powder;

[0058] The bioplastic powder is a wood-plastic composite powder with a particle size of 0.15-0.25 mm, which is made from a mixture of high-density polyethylene and wood powder through kneading, crushing, fine grinding, and screening processes.

[0059] The tin-bismuth alloy is a tin-bismuth alloy wire with a melting point between 135°C and 180°C, and its wire diameter is 4m...

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Abstract

The invention discloses a metalized wood functional material and a preparation method thereof. The metalized wood functional material is made of four types of materials of tall grass plant stalk, woodcomposite powder, tin-bismuth alloy and natural resin in a compound manner. The preparation method of the metalized wood functional material comprises six steps of plant stalk pretreatment, wood composite powder preparation, plant stalk threading, raw material mat formation, die forming and cutting. The metalized wood functional material prepared by adopting the method is high in strength and good in isotropy, electrical conductivity, heat-conducting performance and anisotropy, can be widely used in the fields such as electromagnetic shielding, system heat management and broad spectrum building materials, and is environmentally friendly.

Description

technical field [0001] The invention belongs to the field of new materials, and particularly relates to a metallized wood functional material and a preparation method thereof. The metallized wood functional material prepared by the invention has high strength and isotropy, good electrical and thermal conductivity and anisotropy, and can be widely used. It is a kind of environmentally friendly metallized wood functional material in the fields of electromagnetic shielding, system thermal management and broad-spectrum building materials. Background technique [0002] Before the appearance of engineering materials such as steel bars, cement, and wood-based panels, the oldest material used by humans was undoubtedly natural wood. In recent years, some researchers have focused their attention on this ancient renewable natural material, trying to make it play a more important role in modern life. [0003] The composite material of wood and metal combines the advantages of wood and ...

Claims

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Application Information

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IPC IPC(8): B27N3/00B27N3/10B27N3/18B27N1/00B27L11/06
CPCB27L11/06B27N1/00B27N3/00B27N3/10B27N3/18
Inventor 吴庆定何玉琴刘坤键丁定成李佩刘俊怀袁建
Owner CENTRAL SOUTH UNIVERSITY OF FORESTRY AND TECHNOLOGY
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