Bamboo material modifying method and bamboo plate

A wood panel and bamboo wood technology, applied in the field of bamboo and wood material modification and bamboo wood panel, can solve the problems of unstable anti-corrosion and mildew-proof effect, complicated operation, etc. The effect of weather resistance

Active Publication Date: 2019-09-06
NANJING FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Aiming at the problems of complex operation and unstable anti-corrosion and anti-mildew effect existing in the modification treatment technology of bamboo wood materials, the present invention provides a method for modifying bamboo wood materials and a bamboo wood board

Method used

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  • Bamboo material modifying method and bamboo plate
  • Bamboo material modifying method and bamboo plate
  • Bamboo material modifying method and bamboo plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] (1) Sample preparation

[0058] The wooden material is made into a sample plate with a specification of 50mm×50mm×20mm (length×width×height).

[0059] (2) High-voltage electrostatic treatment of samples

[0060] 1) The wooden sample plate is dried, and the final moisture content of the dried wooden sample plate is 5%.

[0061] 2) Carry out sanding treatment to the surface of the wooden sample plate dried in step 1), and the sanding amount is 0.3mm.

[0062] 3) Place two silver plates 2 of 55 mm × 55 mm × 2 mm (length × width × height) respectively on the upper and lower ends of the dried wooden sample plate in the thickness direction, and the silver content of the silver plates 2 is 92.5%. , and put them into a hot press together for hot pressing treatment, the hot pressing temperature is set to normal temperature (no heating), and the plate surface pressure is set to 0.1MPa.

[0063] 4) The silver plate 2 on the upper side of the wooden sample plate is connected to ...

Embodiment approach 25

[0078] (1) Sample preparation

[0079] The bamboo material is made into a sample plate with a specification of 50mm×50mm×10mm (length×width×height).

[0080] (2) High-voltage electrostatic treatment of samples

[0081] 1) The bamboo sample plate is dried, and the final moisture content of the dried bamboo sample plate is 11%.

[0082] 2) Carry out sanding treatment to the surface of the bamboo sample board dried through step 1), and the sanding amount is 0.5mm.

[0083] 3) Place two silver plates 2 of 55mm × 55mm × 2mm (length × width × height) respectively on the upper and lower ends of the dried bamboo sample plate in the thickness direction, and the silver content of the silver plates 2 is 95.0 %, and put into a hot press together for hot pressing treatment, the hot pressing is set to normal temperature (without heating), and the pressure is set to 0.1MPa. It should be noted that the remaining silver plate 2 after the high-voltage electrostatic treatment can be reused fo...

Embodiment 49

[0099] (1) Sample preparation

[0100] The 7-layer bamboo-wood composite laminate: the upper and lower surfaces are 1.5mm thick poplar veneer, the second outer layer of the lower surface is a 2.5mm thick bamboo sheet layer, the average gap between the bamboo sheets is 3mm wide, and the remaining 4 layers It is also a 1.5mm thick poplar veneer. The laying method of the laminated board is that the middle 4 layers are laid orthogonally, and the remaining poplar on the upper and lower surfaces and the sub-outer layer of bamboo on the lower surface are laid at 0° along the direction of the grain, and the specifications are 50mm×50mm×20mm (length×width× High) bamboo-wood composite laminate sample plate.

[0101] (2) High-voltage electrostatic treatment of samples

[0102] 1) The bamboo-wood composite laminate sample plate is dried, and the final moisture content of the dried wood sample plate is 8%.

[0103] 2) Carry out sanding treatment to the surface of the bamboo-wood composi...

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Abstract

The invention discloses a bamboo material modifying method and a bamboo plate and belongs to the field of wood materials. According to the bamboo material modifying method, under the action of a 20-60KV high-voltage electrostatic field, high-voltage electrostatic treatment is carried out on a bamboo plate body with silver plates fitting on the upper and lower end faces. The bamboo plate after modified treatment sequentially comprises a nano-silver element permeation layer, a bamboo plate body, and a nano-silver element deposition layer/nano-silver element permeation layer in the thickness direction of the plate. The bamboo material after high-voltage electrostatic modified treatment has larger anti-corrosive and mildewproof treatment depth; the permeation depth of the nano-silver elementin the plate is 0.05-1mm; and the modified bamboo material is higher in anti-corrosive and mildewproof effect.

Description

technical field [0001] The invention belongs to the field of bamboo wood materials, and in particular relates to a method for modifying bamboo wood materials and a bamboo wood board. Background technique [0002] Both wood and bamboo are natural polymer materials with excellent performance, which have been widely used by humans since ancient times. In today's highly developed science and technology, although many new materials emerge in an endless stream, wood and bamboo still play an important role in people's lives with their unique advantages and natural and beautiful textures. However, as biological materials, wood and bamboo have their natural defects, such as easy to be attacked by bacteria, insects, marine borers and other organisms, which limit their applications. Anti-corrosion is an important measure to prolong the service life of wood and bamboo, and it is of great significance. From a macroscopic point of view, antiseptic treatment of wood and bamboo can reduce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27D1/04B27D1/08B27K5/00B32B9/02B32B9/04B32B21/14B32B15/10B32B15/04B32B33/00B32B38/16B32B37/06B32B37/10B32B38/00
CPCB27D1/04B27D1/08B27K5/002B27K2240/20B32B9/02B32B9/041B32B15/04B32B15/10B32B21/14B32B33/00B32B37/06B32B37/10B32B38/0008B32B38/164B32B2307/7145
Inventor 卢晓宁鞠泽辉何倩张海洋詹天翼洪璐程良松
Owner NANJING FORESTRY UNIV
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