Manufacturing method for antibacterial plastic tablecloth material
A technology of antibacterial plastics and manufacturing methods, applied in the field of tablecloth material production, can solve the problems of complex manufacturing process, high cost, and poor antibacterial effect, and achieve low cost, good environmental protection, good antibacterial and flocculation effects
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Embodiment 1
[0032] The existing ordinary plastic tablecloths are not environmentally friendly, easy to smell, and not durable enough. The present invention proposes antibacterial plastic tablecloth materials. Chemical performance, use safety, durability and dimensional stability, reduce odor and also improve stain resistance of tablecloths. And it can be made by recycling domestic plastics, which has low cost and is more environmentally friendly.
[0033] The main types of existing living plastics are polyethylene, polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS, ABS), polyamide, etc., which are mixed with various adhesives, coatings, etc. Among them, the existing technology directly separates various plastics before making them, which is complicated in process and high in cost.
[0034] This scheme directly selects cheap domestic plastics to decompose and then mixes the plastics, and adds antibacterial agents to obtain the required antibacterial properties. The process use...
Embodiment 2
[0049] A method for manufacturing an antibacterial plastic tablecloth material, the steps are as follows:
[0050] (1) The existing plastic is fed into the shredder for shredding, and the particle size is shredded to 1-15mm;
[0051] (2) Melt the chopped plastic fragments in a multi-stage hot-melt equipment; the temperature curve is 0-90°C, 10min; 90-180°C, 25min; 180-240°C, 25min; 240-360°C, 20min . Since there are many types of plastics in garbage recycling plastics, and because different types of plastics have different temperatures and effects, the following temperatures respectively act on the following, 0-90°C; soften plastics; 90-180°C; polyethylene , polypropylene is melted; separation; 180-240; polyvinyl chloride, polystyrene, are melted; separation; 240-360 ° C, polyamide is melted; four-stage melting avoids different high temperatures leading to low-temperature plastic cracking , resulting in instability and modification. After each section of plastic is melted, ...
Embodiment 3
[0058] A method for manufacturing an antibacterial plastic tablecloth material, the steps are as follows:
[0059] (1) The existing plastic is fed into the shredder for shredding, and the particle size is shredded to 1-15mm;
[0060] (2) Melt the chopped plastic fragments in a multi-stage hot-melt equipment; the temperature curve is 0-90°C, 10min; 90-180°C, 25min; 180-240°C, 25min; 240-360°C, 20min . Since there are many types of plastics in garbage recycling plastics, and because different types of plastics have different temperatures and effects, the following temperatures respectively act on the following, 0-90°C; soften plastics; 90-180°C; polyethylene , polypropylene is melted; separation; 180-240; polyvinyl chloride, polystyrene, are melted; separation; 240-360 ° C, polyamide is melted; four-stage melting avoids different high temperatures leading to low-temperature plastic cracking , resulting in instability and modification. After each section of plastic is melted, ...
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