Preparation method of all-fiber degradable composite material
A composite material and full-fiber technology, applied in the field of preparation of degradable composite materials, can solve the problems of a large number of solvents, high cost, and large energy consumption, and achieve the effects of inhibiting heat-sensitive reactions, easy operation, and uniform heating
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Embodiment 1
[0050] Select 10 kg of cassava distiller's grains, dry at 100 degrees Celsius to make the water content 5%, and pulverize to 80 mesh. The pulverized cassava distiller's grains, lauric acid and AlCl 3 According to the weight ratio of 100:40:5 into the high-speed mixer, stirring at a rotating speed of 1500rpm for 1min, to obtain cassava distiller's grains reaction mixture.
[0051] React the above-mentioned cassava distiller's grains reaction mixture and the ball milling medium in a ratio of 100g:600ml in a horizontal reinforced polysaccharide high polymer modified stirring ball mill reactor, and after stirring for 120min at a rotating speed of 250rpm and a temperature of 50 degrees Celsius, the ester Modified cassava distiller's grains.
[0052] The above-mentioned esterified modified cassava distiller's grains and sisal fiber were mixed in a high-speed mixer at a weight ratio of 100:10 at a speed of 1000 rpm for 2 minutes to obtain a mixed material.
[0053] Put the mixed mat...
Embodiment 2
[0055] Choose 10 kg of bagasse, dry it at 110 degrees Celsius, make the water content 5%, and pulverize it to 100 mesh, and add the pulverized bagasse, n-octanoic acid and KNO3 to the high-speed mixer according to the weight ratio of 100:30:12, Stir for 2 min at a rotational speed of 1000 rpm to obtain a cassava distiller's grains reaction mixture.
[0056] React the above-mentioned cassava distiller's grains reaction mixture and the ball milling medium in a ratio of 100g:200ml in a vertical reinforced polysaccharide high polymer modified stirring ball milling reactor. After stirring for 100 minutes at a speed of 300 rpm and a temperature of 60 degrees Celsius, the ester mixture is obtained. Modified bagasse.
[0057] The esterified modified bagasse and wood fiber obtained above were mixed in a high-speed mixer at a weight ratio of 100:20 at a speed of 500 rpm for 3 minutes to obtain a mixed material.
[0058] Put the mixed material obtained above into the mold, raise the tem...
Embodiment 3
[0060] Select 10 kg of cassava distiller's grains and bagasse mixture, dry it at 120 degrees Celsius to make the water content 5%, and crush it to 60 meshes. Add the crushed mixture, citric acid and KCl to the high-speed Mixer, stirring at 1200rpm for 80s to obtain a mixed reactant.
[0061] The above-mentioned mixed reactant and ball-milling medium were reacted in a horizontal reinforced polysaccharide high polymer modified stirring ball-milling reactor according to the ratio of 100g:500ml. After stirring for 90 minutes at a rotating speed of 400rpm and a temperature of 55 degrees Celsius, esterification was obtained. modified fiber.
[0062] The esterified modified fiber and wood fiber obtained above were mixed in a high-speed mixer at a weight ratio of 100:15 at a speed of 1500 rpm for 1 min to obtain a mixed material.
[0063] Put the mixed material obtained above into the mold, raise the temperature to 120 degrees Celsius in the flat vulcanizer, increase the pressure to ...
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