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Production method of heavy bamboo wide-breadth plate

A production method and format technology, applied in the pretreatment of molding materials, wood impregnation, wood impregnation, etc., can solve the problems of poor weather resistance, achieve cost reduction, low stability, and good mildew resistance

Active Publication Date: 2022-05-27
宜丰县永安建材有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Insufficient in performance of the heavy bamboo prepared by the prior art mentioned in the background technology, the object of the present invention is to provide a kind of production method of heavy bamboo wide panel , the heavy bamboo wide panel material prepared by the present invention effectively overcomes the problems of easy to produce cracks in the transverse direction, easy to mold, and poor weather resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] 1. Take the newly mined moso bamboo, cut off the green bamboo and cook for 3 hours, then roll it into bamboo bundles, immerse the bamboo bundles in a 50% ethanol solution, slowly add a few drops of ethylene oxide, and then take it out at 90°C Dry to a moisture content of 11%;

[0030] 2. Take two parts of a phenolic resin adhesive with a molecular weight of 1200 and a viscosity of 185 cps, respectively add 0.8% of its mass of nano-zirconia and 7% of chitosan and mix it uniformly to obtain Adhesive I and Adhesive II;

[0031] 3. get 30 kilograms of pretreated bamboo bundles and put them into adhesive I for dipping, the dipping temperature is controlled at 42°C, and the dipping time is 18min, and the dipping amount is 12%; Dip into Adhesive II, the dipping temperature is controlled at 55°C, the dipping time is 13min, and the dipping amount is 14%; after dipping, it is dried at 95°C to a moisture content of 7.2%;

[0032] 4. The obtained two kinds of dipped bamboo bundles...

Embodiment 2

[0035] 1. Take the newly mined moso bamboo, cut off the green bamboo and cook for 3 hours, then roll it into bamboo bundles, immerse the bamboo bundles in a 50% ethanol solution, slowly add a few drops of ethylene oxide, and then take it out at 90°C Dry to a moisture content of 11%;

[0036] 2. Take two parts of a phenolic resin adhesive with a molecular weight of 1200 and a viscosity of 185cps, respectively add 0.6% of its mass of nano-zirconia and 9% of chitosan and mix it uniformly to obtain Adhesive I and Adhesive II;

[0037] 3. get 30 kilograms of pretreated bamboo bundles and put them into adhesive I for dipping, the dipping temperature is controlled at 42°C, and the dipping time is 18min, and the dipping amount is 12%; Dip into Adhesive II, the dipping temperature is controlled at 55°C, the dipping time is 13min, and the dipping amount is 14%; after dipping, it is dried at 95°C to a moisture content of 7.2%;

[0038] 4. The obtained two kinds of dipped bamboo bundles ...

Embodiment 3

[0041]1. Take the newly mined moso bamboo, cut off the green bamboo and cook for 3 hours, then roll it into bamboo bundles, immerse the bamboo bundles in a 50% ethanol solution, slowly add a few drops of ethylene oxide, and then take it out at 90°C Dry to a moisture content of 11%;

[0042] 2. Take two parts of a phenolic resin adhesive with a molecular weight of 1200 and a viscosity of 185cps, respectively add 1.0% of its mass of nano-zirconia and 5% of chitosan and mix it uniformly to obtain Adhesive I and Adhesive II;

[0043] 3. get 30 kilograms of pretreated bamboo bundles and put them into adhesive I for dipping, the dipping temperature is controlled at 42°C, and the dipping time is 18min, and the dipping amount is 12%; Dip into Adhesive II, the dipping temperature is controlled at 55°C, the dipping time is 13min, and the dipping amount is 14%; after dipping, it is dried at 95°C to a moisture content of 7.2%;

[0044] 4. The obtained two kinds of dipped bamboo bundles a...

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Abstract

The invention discloses a production method of a heavy bamboo wide-breadth plate, and belongs to the technical field of bamboo production and processing. The method comprises the steps that moso bamboos are pretreated firstly, then phenolic resin adhesives are treated with nano-zirconia and chitosan to obtain two new adhesives, bamboo bundles are subjected to gum dipping with the two new adhesives, the obtained gum-dipped bamboo bundles are assembled, and finally cold press molding is conducted to obtain the heavy bamboo wide-breadth board. The heavy bamboo wide-breadth board prepared by the method effectively overcomes the defects that heavy bamboo products are easy to generate transverse cracks, easy to mildew and poor in stability, can well replace conventional wood to be used in the fields of furniture and the like, and has a good application prospect.

Description

technical field [0001] The invention belongs to the technical field of bamboo production and processing, and in particular relates to a production method of a heavy bamboo wide-width panel. Background technique [0002] my country's bamboo species, bamboo forest area and stock volume are the highest in the world. Bamboo is a fast-growing material with a short growth period. For example, moso bamboo can be harvested and used in 3-5 years. In addition, some small-diameter bamboos have a shorter growth period. Therefore, if the bamboo forest is properly managed and harvested reasonably, it will be able to provide bamboo continuously. As for precious woods such as teak, rosewood, red pine, rosewood, and wenge, it will take hundreds or even hundreds of years to become timber. Coupled with the long-term and uncontrolled cutting of human beings, some precious tree species resources have been exhausted. Therefore, the development and utilization of bamboo is a feasible way to solv...

Claims

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Application Information

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IPC IPC(8): B27N3/10B27N1/00B27J1/00B27K9/00B27K3/50B27K3/34B27K3/36B27N1/02
CPCB27N3/10B27N1/00B27J1/00B27K9/002B27K3/50B27K3/343B27K3/36B27N1/0209B27K2240/20
Inventor 徐国荣黄慧
Owner 宜丰县永安建材有限责任公司
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