Plastic food box preparation method
A food box and plastic technology, applied in the field of food packaging, can solve the problems of high temperature resistance and difficult degradation of plastic food boxes, and achieve the effect of good high temperature stability and environmental protection.
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Example Embodiment
[0018] Example 1:
[0019] This plastic food box preparation method is made with raw materials of the following weights:
[0020] Polypropylene: 56 kg; Bagasse fiber: 32 kg; Corn starch: 5 kg; Nano clay: 5 kg; Calcium oxide: 10 kg; Calcium carbonate: 12 kg; Sodium bicarbonate: 12 kg;
[0021] Including the following steps:
[0022] A. The bagasse fiber is cut and ground to obtain 70 mesh bagasse powder, which is ready for use;
[0023] B. Mixing: Put polypropylene, bagasse powder, corn starch, and nano-clay into a mixer, and mix at 6000 rpm for 5 minutes to obtain a mixture;
[0024] C. Plasticizing and mixing: Put the mixture prepared in step B, calcium oxide, calcium carbonate, and sodium bicarbonate into the feed hopper of the plastic extruder, first turn on the power supply of the heating unit of the plastic extruder to extrude the plastic The machine is heated to 160℃, and then the screw is turned on for 70 minutes to obtain the melt;
[0025] D. Foaming: inject carbon dioxide g...
Example Embodiment
[0028] Example 2:
[0029] This plastic food box preparation method is made with raw materials of the following weights:
[0030] Polypropylene: 65 kg; Bagasse fiber: 45 kg; Corn starch: 12 kg; Nano clay: 12 kg; Calcium oxide: 20 kg; Calcium carbonate: 25 kg; Sodium bicarbonate: 25 kg; the rest are the same as in Example 1. the same.
Example Embodiment
[0031] Example 3:
[0032] This plastic food box preparation method is made with raw materials of the following weights:
[0033] Polypropylene: 59 kg; Bagasse fiber: 36 kg; Corn starch: 8 kg; Nano clay: 8 kg; Calcium oxide: 13 kg; Calcium carbonate: 18 kg; Sodium bicarbonate: 18 kg; the rest are the same as in Example 1. the same.
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