Mixed Poly(vinyl chloride) (PVC) and Poly(ethylene terephthalate)(PET) scraps can be separated by various methods based on the difference in their physical or chemical properties. A short review of the presently known methods is made. The presentation is focused on a method developed by MICRONYL WEDCO and based on the difference in impact strength resistance of the two polymers at room temperature.
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René Famechon (1992) studied this question.