I intend to use acetone and ethyl acetate to dissolve EPS plastic, mainly foam boxes from recycled seafood markets, but there are inevitably a lot of impurities on the boxes, such as adhesive tape, sprayed logos and so on, is there any way to filter out these impurities after dissolving, and try to be a pure mixture of foam and solvent? Is it better to do it physically or chemically? What exactly do I need to do?
Qing Lu
First, it is necessary to separate large impurities from the expanded polystyrene, for example, adhesive tape. Then it is necessary to crush the polystyrene to the size of small pieces. Then dissolve, filter.
Yuri Mirgorod
Thank you for your reply. I also would like to know whether there are any ways to turn the PS becomes soil degradable material? I want to make a product to turn the PS into a soil fixer to keep the water and nutrients in the soil and gradually release fertiliser into the soil while degrading.
Qing Lu
Polystyrene, when decomposed, forms carcinogenic and harmful substances benzene, styrene, toluene. Therefore, to use it to fix the soil means to poison it.
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