Method for preparing polyethylene-based wood-plastic composite material by using bagasse
A wood-plastic composite material and polyethylene-based technology, which is applied in the field of preparing polyethylene-based wood-plastic composite materials by using bagasse, can solve the problems of material waste and secondary pollution, and achieve broad application prospects, simple operation, and excellent comprehensive performance Effect
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[0012] Examples:
[0013] (1) The bagasse is soaked in a 15% sodium hydroxide aqueous solution for 3.5 hours, and the alkalization temperature is 35°C to prepare the alkalized bagasse.
[0014] (2) Wash the alkalized bagasse prepared in step (1) with distilled water 4 times to remove alkali and other impurities on the bagasse, then dry it at 70°C for 2.5 hours, and then mechanically pulverize to obtain granules Bagasse powder with a diameter of 150 mesh.
[0015] (3) Weigh the raw materials according to the following mass ratio, and the bagasse powder obtained in step (2): medium density polyethylene: benzoyl peroxide: maleic anhydride: silicone oil: chlorinated paraffin: dibasic phthalic acid Lead=40:30:1.2:2.5:18:4:2.3, the raw materials are mixed uniformly on a high-speed mixer, and the speed of the high-speed mixer is 4,500 revolutions per minute to prepare a mixture.
[0016] (4) The mixture material prepared in step (3) is reacted and extruded in a twin-screw extruder, the scr...
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