Method for preparing bio-based composite material by using palm biomass powder as raw material
A biomass powder and composite material technology, which is applied in separation methods, chemical instruments and methods, sedimentation tanks, etc., can solve the problems affecting the durability of finished products, high nutrient content, and biological damage to finished products, and reduce environmental protection. The effect of pressure, high performance, good processability
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Embodiment 1
[0020] Step 1. Cleaning of palm micropowder:
[0021] Generally speaking, biomass micropowder is a relatively cheap resin filler. The cost of biomass micropowder is only 300-800 yuan / ton, and the cleaning cost of biomass micropowder is even much higher than the cost of biomass micropowder itself. Because of this, practitioners in the bio-based materials industry usually do not clean and purify biomass powder. However, there are many unfavorable factors to directly use palm micropowder as biomass filling material. The content of protein and oil in palm micropowder is too high, which is easy to cause discoloration, coking, migration of small molecular substances and biological erosion, which seriously affects the production of bio-based resin. Product performance. The inventor believes that there are serious misunderstandings about the cleaning and surface treatment of biomass in the current industry. It is generally believed in the industry that water should be used as the med...
Embodiment 2
[0036] Step 1. Surface cleaning of palm micropowder:
[0037] Put 100 parts of 600-mesh palm micropowder into the reaction vessel, add 500 parts of acetone into the reaction vessel according to the bath ratio of 1:5, close the reaction vessel to seal the system, heat to 50°C, stir and disperse at a speed of 500 rpm for 30 minutes, Stand still to make the palm micropowder settle, use the press plate to slightly compact the settled solid, draw out the clear liquid above the press plate, recover the clear liquid, distill and recover a large amount of acetone solvent, and filter the remaining turbid solution, then concentrate the distillation to recover the solvent. Lift the pressure plate, add 500 parts of acetone preheated to 50°C to the reaction vessel as a dispersion medium, stir and disperse at a speed of 500 rpm for 15 minutes, let the palm fine powder settle, use the pressure plate to slightly press the settled solid Solid, pump out the clarified liquid above the platen. A...
Embodiment 3
[0043] Step 1. Surface cleaning of palm micropowder:
[0044] Put 100 parts of 800-mesh palm skin micropowder into the reaction vessel, add 400 parts of acetone into the reaction vessel according to the bath ratio of 1:4, close the reaction vessel to seal the system, heat to 60°C, stir and disperse at a speed of 500 rpm for 30 minutes , let the palm powder settle, use the press plate to slightly compact the settled solid, draw out the clear liquid above the press plate, recover the clear liquid, distill and recover a large amount of acetone solvent, filter the remaining turbid solution, and concentrate the distillation to recover the solvent. Lift the pressure plate, add 500 parts of acetone preheated to 50°C to the reaction vessel as a dispersion medium, stir and disperse at a speed of 500 rpm for 15 minutes, let the palm fine powder settle, use the pressure plate to slightly press the settled solid Solid, pump out the clarified liquid above the platen. After repeating this ...
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