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A kind of preparation method of recombined bamboo profile

A bamboo profile and profile technology, which is applied to wood treatment, flat products, impregnated wood, etc., can solve the problems of affecting normal use, long processing time, low production efficiency, etc., and achieves improvement of mildew resistance, sufficient impregnation treatment, and work efficiency. high effect

Active Publication Date: 2017-10-10
ZHEJIANG YONGYU FURNITURE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this technology needs to heat up slowly in stages. When cooling, it needs to be cooled to a certain temperature in the treatment tank before it can be taken out, so as to ensure that the material will not crack or deform during the oil bath process. The processing time is longer, so the production efficiency is low.
At the same time, this technology only stays at heat treatment for wood modification treatment, and the duct structure of bamboo is more developed. When it is directly applied to bamboo, the treated bamboo will exchange with external moisture, and the size of the product will be changed during use. Normal use

Method used

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  • A kind of preparation method of recombined bamboo profile
  • A kind of preparation method of recombined bamboo profile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] Taking the recombined bamboo profile as an example, firstly, the bamboo silk and the thermosetting phenolic adhesive are mixed in the form of glue mixing. The solid content of the adhesive is 30%, and the sizing amount is 10% of the mass of the bamboo silk; The moisture content is 2-5%, and after cold pressing and heat curing, it becomes a profile with a thickness of 22mm; then, inject alkyl biphenyl type heat transfer oil into the container, and heat it to 100°C to keep it warm; then stack the recombined bamboo profiles, and use The steel belt is fixed so that the vascular bundle of the profile is parallel to the direction of the oil hot steam, and impregnated in this form, so that the surface of the heat transfer oil is higher than the end surface of the restructured bamboo, and the restructured bamboo profile is immersed for 10 hours; finally, the recombined bamboo profile is taken out and allowed to stand for 10 minutes , After the oil on the surface is automatically...

Embodiment 2

[0060] Taking the recombined bamboo profile as an example, first mix the bamboo silk and the thermosetting phenolic adhesive by dipping, the solid content of the adhesive is 45%, and the sizing amount is 25% of the mass of the bamboo silk; then the mixed bamboo silk is dried The moisture content is 25-30%, and after cold pressing and heat curing, it becomes a profile with a thickness of 20mm; then inject alkyl naphthalene heat transfer oil into the container, and heat it to 300°C to keep it warm; then stack the recombined bamboo profiles, and use steel Fix the vascular bundle of the profile parallel to the direction of the oil hot steam, and impregnate in this way, make the surface of the heat transfer oil higher than the end surface of the restructured bamboo, immerse the recombined bamboo profile, and keep it for 1 hour; finally, take out the recombined bamboo profile and let it stand for 2 minutes. After the oil attached to the surface is automatically sucked into the inside...

Embodiment 3

[0062] Taking the recombined bamboo profile as an example, first mix the bamboo silk and the thermosetting melamine adhesive by dipping, the solid content of the adhesive is 35%, and the sizing amount is 20% of the mass of the bamboo silk; The moisture content is 12-17%, and after cold pressing and heat curing, it becomes a profile with a thickness of 30mm; then the vegetable oil is heated to 180°C; then the recombined bamboo profiles are stacked and fixed with steel belts so that the vascular bundles of the profiles are parallel to the direction of the oil hot steam , impregnated in this form, so that the surface of the heat transfer oil is higher than the end surface of the restructured bamboo, so that the restructured bamboo profile is submerged and kept for 5 hours; finally, the restructured bamboo profile is taken out and rested for 6 minutes, and after the oil attached to the surface is automatically sucked into the profile, it is placed at temperature 20 ℃, relative humi...

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Abstract

The present application discloses a preparation method of recombined bamboo profiles, including sizing steps, drying steps, cold pressing steps, oil immersion treatment steps, automatic oil absorption steps and other processes; it has a high working efficiency, less equipment investment and uniform treatment effect Features, the prepared recombined bamboo profiles have good mechanical properties, good dimensional stability, good corrosion resistance and mildew resistance.

Description

technical field [0001] The invention relates to a preparation method of a recombined bamboo profile improved through recombination, heat treatment and dipping treatment processes, which belongs to the production technology of bamboo products. Background technique [0002] my country is a big bamboo country with a large output of bamboo and a long history of bamboo utilization. Bamboo has the advantages of good toughness and high strength. It is made into recombined bamboo materials in the market and is widely used as raw materials for indoor flooring, outdoor flooring and furniture. However, bamboo contains a large amount of sugar, protein, and rich content, so it is very vulnerable to the infringement and corrosion of bamboo rot fungi; the existence of lignin, hemicellulose and cellulose makes the dimensional stability of the recombined bamboo material poor; and in A large amount of adhesive is required in the reorganization process, which brings about a large amount of fo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27N3/08B27K5/00B27K3/02B27K3/34B27K3/50
Inventor 宋剑刚刘福清成岗陈永兴
Owner ZHEJIANG YONGYU FURNITURE CO LTD
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