Plastic wood prepared from mixed plastic in domestic garbage and wood powder, and preparation method of plastic wood
A technology of mixing plastic and plastic wood, which is applied in the field of comprehensive utilization of resources, can solve the problems of insufficient resource utilization of waste plastics and increased production cost of plastic wood, achieve sorting and recycling, improve bag breaking efficiency, and have a wide range of practical applications. Effect
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Embodiment 1
[0051] Table 1 Example 1 WPC formula
[0052]
[0053] Concrete preparation is carried out according to the following steps:
[0054] (1) Dry the wood powder fibers crushed to 40-80 mesh in a drying oven at 150°C for 3 hours, so that the wood powder can completely dehumidify and remove low-molecular-weight volatile substances in the wood powder.
[0055] (2) The municipal solid waste is bag-broken and sorted by two-stage drum sieve, and further air-separated by a double-chamber multifunctional air separator to obtain mixed plastics of polyethylene, polypropylene, and polyvinyl chloride, according to the proportion The polyethylene, polypropylene and polyvinyl chloride are washed and crushed, dried and dehydrated, and granulated to obtain mixed plastic granules with a granulation size of 40-60 mesh.
[0056] (3) In a heating jacket high-speed mixer at a temperature of 150°C, first add wood flour fibers and stir for 5 minutes, then add mixed plastic particles and other addit...
Embodiment 2
[0064] The preparation method of embodiment 2 is identical with embodiment 1, just formula is different.
[0065] Table 2 Example 2 WPC formula
[0066]
Embodiment 3
[0068] The preparation method of embodiment 3 is identical with embodiment 1, just formula is different.
[0069] Table 3 Example 3 WPC formula
[0070]
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