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Bamboo scrimber

A technology of bamboo reconstituted wood and medium, which is applied in the direction of impregnated wood, wood impregnation, wood processing utensils, etc., and can solve the problems of affecting the surface adhesiveness of the sheet, reducing the bonding strength, and hindering

Inactive Publication Date: 2017-08-18
ZHEJIANG YONGYU FURNITURE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, there are shortcomings in the above scheme. The high-temperature medium oil is carbonized in the form of a sheet. After the treatment, the surface of the sheet is covered with medium oil, and the extraction method from the inside to the outside, such as hot pressing and extraction, cannot completely clean the surface of the sheet. The attached oil affects the adhesiveness of the surface of the sheet and becomes an obstacle to the formation of glue nails, making it difficult for the adhesive to form a bonding force on the surface of the modified sheet, resulting in poor bonding strength of the floor or profile
On the other hand, the modified bamboo and wood sheets and adhesive are stirred and pressed into shape, and the medium oil permeated and stored in the water channels such as bamboo and wood sheet fiber channels and capillary channels will gradually flow to the adhesive and The adhesive interface of the sheet penetrates, destroying the interface and causing degumming, which further reduces the bonding strength of the product

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030]Embodiment 1: select the primary wood of bamboo heavy wood with a specification of 1920*200*24mm, select mineral oil as the medium oil, the moisture content of the primary wood of bamboo heavy wood is 10~16%, and the first temperature is 135 ± 5 ° C, The second temperature is 10~20℃ (room temperature in winter); the thickness of the first medium oil layer on the longitudinal section is 3~6mm, the thickness on the transverse section is 5~10mm, and the thickness of the second medium oil layer on the longitudinal section is 1~3mm, the thickness on the cross section is about 3mm; the average oil content in the first medium oil layer is 6~10%, the average oil content in the second medium oil layer is 4~8%; the average oil content in the first medium oil layer is The oil content in the rubber oil storage space is 5-7%, and the oil content in the rubber oil storage space in the second medium oil layer is 3-6%.

Embodiment 2

[0031] Embodiment 2: select the primary wood of bamboo heavy wood with a specification of 2400*240*34mm, select vegetable oil as the medium oil, the moisture content of the primary wood of bamboo heavy wood is 12 ~ 16%, the first temperature is 180 ± 5 ° C, the second The temperature is 20~25℃ (room temperature in spring and autumn); the thickness of the first medium oil layer on the longitudinal section is 6~8mm, the thickness on the transverse section is 10~15mm, and the thickness of the second medium oil layer on the longitudinal section is 2 ~4mm, the thickness on the cross section is about 4mm; the average oil content in the first medium oil layer is 6~8%, the average oil content in the second medium oil layer is 3~6%; the glue in the first medium oil layer The oil content in the oil storage space is 4-6%, and the oil content in the gel oil storage space in the second medium oil layer is 3-5%.

Embodiment 3

[0032] Embodiment 3: select the bamboo heavy wood primary material whose specification is 2400*260*40mm, select the alkylbiphenyl type heat transfer oil as the medium oil, the moisture content of the bamboo heavy wood primary material is 14~20%, and the first temperature is 205 ±5°C, the second temperature is 25~35°C (room temperature in summer); the thickness of the first medium oil layer on the longitudinal section is 8~10mm, the thickness on the transverse section is The thickness on the surface is 3~5mm, and the thickness on the cross section is about 5mm; the average oil content in the first medium oil layer is 4~7%, and the average oil content in the second medium oil layer is 2~4%; The oil content in the rubber oil storage space in the medium oil layer is 6-8%, and the oil content in the rubber oil storage space in the second medium oil layer is 4-5%.

[0033] Such as image 3 with 4 Shown, a kind of bamboo heavy wood of embodiment 4-5, at first by dry bamboo sheet ma...

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Abstract

The invention discloses a bamboo scrimber. The bamboo scrimber is prepared by pressing a piece of bamboo wood and an adhesive, the bamboo wood forms bamboo wood oil storage space, at least part of the adhesive forms adhesive oil storage space, and medium oil is permeated and stored in at least part of the bamboo wood oil storage space and the adhesive oil storage space. The bamboo scrimber has the characteristic that the bonding strength is good.

Description

technical field [0001] This application relates to recombined timber, specifically a bamboo recombined timber structure. Background technique [0002] Recombined bamboo, also known as heavy bamboo, is a new bamboo material that reorganizes and strengthens bamboo. By processing bamboo into strips, bamboo filaments or crushing bamboo filaments, drying or After carbonization, it is impregnated with adhesive, placed in a mold, and cured by high temperature and high pressure (or normal pressure). In order to improve the stability of recombined bamboo to adapt to the outdoor environment, it is usually necessary to carbonize bamboo sheets or bamboo threads, and the carbonization methods generally applicable to wood—kiln or tank carbonization—are difficult to apply to bamboo sheets. , especially bamboo wire. Bamboo sheets and filaments are small in size and light in weight, while both kiln and tank carbonization use circulating hot air as the heating medium, and bamboo sheets and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27N3/04B27N3/12B27N1/02B27K3/50
CPCB27N3/04B27K3/50B27N1/0209B27N3/12
Inventor 宋剑刚刘福清孙芳利张晓春
Owner ZHEJIANG YONGYU FURNITURE CO LTD