Functional bamboo or wood veneer processing method
A processing method and wood veneer technology, which is applied in wood processing equipment, wood treatment, impregnated wood, etc., can solve the problems of complex steps and affecting the color and performance of bamboo and wood veneer materials, so as to improve the flame retardancy, The effect of easy craft
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specific Embodiment 1
[0023] First, take a poplar veneer with a moisture content of 12% and a thickness of 1.5mm. Use ethanol and deionized water to ultrasonically clean the poplar veneer for 10 minutes, and then place it in an electric vacuum drying oven at 60°C to dry to a moisture content of 5%. .
[0024] Prepare a polyethyleneimine (PEI, degree of polymerization 70000) aqueous solution with a concentration of 0.9%, and adjust the pH value to 9 with 0.5 mol / L sodium hydroxide solution. An aqueous solution of ammonium polyphosphate (APP, polymerization degree>1000) with a concentration of 0.9% was prepared, and the pH value of the solution was also adjusted to 9. Configuration mass fraction is 0.2% zirconium phosphate (chemical formula is α-Zr(HPO 4 ) 2 ·H 2 O, ZrO 2 The content is more than 40%, the fluoride is less than 0.002%, the water insoluble is more than 99.9%, the moisture loss on ignition is less than 6%, the pH is 4, and the density is 1.66g / cm 3 , with an average particle size o...
specific Embodiment 2
[0029] First, a poplar veneer with a moisture content of 12% and a thickness of 2 mm was taken, and the poplar veneer was ultrasonically cleaned with ethanol and deionized water for 5 minutes, and then dried in an electric vacuum oven at 55°C until the moisture content was 3%. The configured solution is the same as in Example 1, except that the mass concentration of the zirconium phosphate suspension is 0.25%, and the mass concentration of the polyethyleneimine solution and the ammonium polyphosphate solution is 1.0%.
[0030] Immerse the prepared poplar veneer in the polyethyleneimine solution for 30 minutes. After taking it out, wash the wood with deionized water, and then place the wood in an electric vacuum drying oven at 60°C for 15 minutes to dry. Then immediately immerse the prepared poplar veneer in the zirconium phosphate solution for 25 minutes. After taking it out, wash the wood with deionized water, and then place the wood in an electric vacuum oven at 55°C for 12...
specific Embodiment 3
[0034] Firstly, sliced moso bamboo veneer with a moisture content of 10%, with a thickness of 0.6 mm, ultrasonically cleaned the poplar veneer with ethanol and deionized water for 8 minutes, and then dried it in an electric vacuum oven at 50°C until the moisture content was 4. %. The configured solution is the same as in Example 1, except that the mass concentration of the zirconium phosphate suspension is 0.3%, and the mass concentration of the polyethyleneimine solution and the ammonium polyphosphate solution is 1.1%.
[0035] Immerse the prepared sliced moso bamboo veneer in the polyethyleneimine solution for 20 minutes. After taking it out, wash the wood with deionized water, and then place the wood in an electric vacuum drying oven at 60°C for 15 minutes to dry. Then immediately immerse the prepared poplar veneer in the zirconium phosphate solution for 30 minutes. After taking it out, wash the wood with deionized water, and then place the wood in an electric vacuum ...
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