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
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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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