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Method for manufacturing non-glued bamboo fiber board

A production method, bamboo fiber technology, applied in flat products, wood processing appliances, household components, etc., can solve the problems of unfavorable products and environmental protection, and achieve the effect of good strength

Inactive Publication Date: 2014-04-09
宁波新缅新材料研发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the need to add adhesives in the above process, it is not conducive to the environmental protection of the product

Method used

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Experimental program
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Effect test

Embodiment Construction

[0009] The present invention is further described in detail below, a method for making bamboo fiber glue-free boards, the method includes the following steps: Step 1, heat grinding and defibrillation process: send fresh bamboo into the cooking tank after sawing and slicing, and control the cooking The temperature is 145°C-190°C, the cooking time is 3 min-10 min, and finally mechanically defibrated to obtain bamboo fibers. The hot grinding process is a very important part of it, which determines the color and energy consumption of the product, and even affects the production speed of the product, which ultimately affects the market viability of the product. The most important process control point in the whole thermal grinding process is the cooking time. If the cooking time is longer than the actual cooking time, it will cause the surface of the board to be black, the fiber will be brittle and reduce the bonding strength in the board, and the cooking time will be too short. It...

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Abstract

The invention discloses a method for manufacturing a non-glued bamboo fiber board. The method sequentially comprises the following processes of hot-grinding fiber degradation, drying, pavement, prepressing, saw cutting, hot-pressing molding, cooling and edge clipping, wherein in the hot-pressing process, the hot-pressing temperature ranges from 160 DEG C to 230 DEG C, the hot-pressing pressure ranges from 30 kg / cm<2> to 85kg / cm<2>, and the hot-pressing time lasts for 5 minutes to 30 minutes, and then the non-glued bamboo fiber board is obtained. Chemical substances in bamboo fibers are degraded at a high temperature and under high pressure to generate a low-molecular-weight substance with properties of natural glue, and then bamboo fibers which are not degraded are glued together under the action of the temperature and the pressure to form a non-glued environment-friendly board with high mechanical properties. Since the board is made from the bamboo fibers through degradation and combination, glue is not needed in the process, usage of the glue is reduced effectively, and production cost and pollution are reduced.

Description

technical field [0001] The invention relates to a method for producing glue-free boards with bamboo fibers. Background technique [0002] The utilization rate of bamboo is low. The current production process of recombined bamboo is as follows: bamboo slices are cut into rectangular shapes with specific specifications, then rolled, dried, dipped in glue, secondary drying, multi-layered material on the molding machine, pressed, trimmed Finally, the bamboo recombined wood is formed. When rolling, put the bamboo slices on the rollers of the rolling machine and roll them into bamboo fiber bundles that are loose and interlaced, and keep the original fiber arrangement direction in the longitudinal direction. , the two ends of the bamboo fiber bundle are pressed after leveling. The mold used for pressing is composed of an upper template and a lower template, which are pressed into a plate shape by a hot press, and then trimmed to form a flat product. [0003] Due to the need to a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B27N3/04B27N3/12B27N3/18
Inventor 陈正光范千银邵成峰陈波
Owner 宁波新缅新材料研发有限公司
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