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Bamboo-based fiber composite material and continuous preparation method thereof

A technology of fiber composite materials and bamboo-based materials, applied in wood compression, wood impregnation, manufacturing tools, etc., can solve the problems of low production efficiency, complicated preparation methods, and inability to realize continuous production, and achieve high production efficiency and preparation methods Simple and easy to use, with good anti-mildew and anti-insect effects

Active Publication Date: 2022-07-08
INST OF WOOD INDUDTRY CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] In view of the technical problems existing in the prior art, such as: complex preparation methods, low production efficiency and inability to realize continuous production, the invention provides a continuous preparation method for bamboo-based fiber composites

Method used

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  • Bamboo-based fiber composite material and continuous preparation method thereof
  • Bamboo-based fiber composite material and continuous preparation method thereof
  • Bamboo-based fiber composite material and continuous preparation method thereof

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preparation example Construction

[0050] A first aspect of the present invention provides a method for preparing a bamboo-based fiber composite material, the bamboo-based fiber composite material comprising a plurality of bamboo fiberized veneers, comprising the following steps:

[0051] The bamboo fiberized veneer is rolled and impregnated with an adhesive to obtain an impregnated product;

[0052] drying the impregnated product to obtain a dried product;

[0053] After sewing the dried product, at least the first bamboo-based material and the second bamboo-based material are obtained;

[0054] The first bamboo-based material and the second bamboo-based material are assembled to obtain a molded body;

[0055] Hot pressing the molded body to obtain a bamboo-based fiber composite material blank;

[0056] The bamboo-based fiber composite material is obtained by performing functionalization post-processing on the bamboo-based fiber composite material blank.

[0057]

[0058] The bamboo fiberized veneers are ...

Embodiment 1

[0103] The bamboo wood is decomposed into bamboo fiber veneer, the width of the bamboo fiber veneer is 10cm, and the moisture content is 35%. Then, the fibrous veneer is rolled and then impregnated in the adhesive with an adhesive, and then rolled to obtain an impregnated product. Among them, the rolling pressure is 20MPa. The adhesive is an aqueous solution of water-soluble impregnated phenolic resin, wherein the mass concentration of water-soluble impregnated phenolic resin is 30%; ) accounted for 15% of the mass content of the impregnated product after rolling.

[0104] Then, the impregnated product is dried by a mesh belt dryer, the drying temperature is 70° C., and the drying time is 80 min to obtain a dried product. After drying, the moisture content of the dried product was 12%.

[0105] The dried products are arranged in parallel and then subjected to a whole-sheet sewing process to obtain a bamboo-based material. Wherein, in the sewing process, the sewing thread u...

Embodiment 2

[0110] The bamboo is decomposed into bamboo fibrous veneer, the width of the bamboo fibrous veneer is 10cm, the moisture content is 35%, and then the fibrous veneer is rolled and dipped in the adhesive by using an adhesive, Roll compaction is then carried out to obtain an impregnated product. Among them, the rolling pressure is 15MPa. The adhesive is an aqueous solution of water-soluble impregnated phenolic resin, wherein the mass concentration of water-soluble impregnated phenolic resin in the adhesive is 25%. After rolling, the water content of the impregnated product is 24.30%, and the content of water-soluble impregnated phenolic resin ( 100%) accounts for 15% of the content of the bamboo-based material after rolling. Then, the impregnated product is dried by a mesh belt dryer, the drying temperature is 70° C., and the drying time is 60 min to obtain a dried product. After drying, the moisture content of the dried product was 12%.

[0111] The dried products are arrange...

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Abstract

The invention relates to a bamboo-based fiber composite material and a preparation method thereof. The preparation method comprises the following steps: rolling and impregnating the bamboo fiber veneer with an adhesive to obtain an impregnated product; drying to obtain a dried product; after sewing the dried product, at least a first bamboo-based material and a second bamboo-based material are obtained; the first bamboo-based material and the second bamboo-based material are assembled to obtain a molded body; The molded body is hot-pressed to obtain a bamboo-based fiber composite material blank; the bamboo-based fiber composite material blank is functionalized and post-treated to obtain a bamboo-based fiber composite material. The preparation method of the bamboo-based fiber composite material of the invention is simple and feasible, the raw materials are easy to obtain, the continuous molding and manufacturing can be realized, and the production efficiency is high.

Description

technical field [0001] The invention relates to a bamboo-based fiber composite material and a preparation method thereof, in particular to a continuous molding manufacturing method of a bamboo-based fiber composite material, which belongs to the field of wood materials. Background technique [0002] my country is the world's largest owner of bamboo resources and the world's largest producer of bamboo products. At present, the production scale and technical level of my country's bamboo industry rank among the top in the world. With the increasing awareness of environmental protection, bamboo has been recognized by the world as an environmentally friendly material with sustainable development characteristics. Therefore, the bamboo industry has developed rapidly in my country this year. [0003] Bamboo-based fiber composite material is a new type of natural polymer composite material, which is a new type of natural polymer composite material made of my country's rich bamboo res...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27J1/00B27K9/00B27K3/02B27K5/04B27M1/08B27M1/02
CPCB27J1/00B27K9/002B27K3/02B27K3/0207B27K5/04B27M1/08B27M1/02Y02W30/91
Inventor 张亚慧齐越于文吉张亚梅饶飞吴江源
Owner INST OF WOOD INDUDTRY CHINESE ACAD OF FORESTRY
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