A Study of Some Changes in the Properties of Recycled PVC Plastic in Arbil Factories
This research was carried out in the laboratories of Erbil city on recycled PVC plastic for several times. The plasticizer DOP was extracted from the old plastic to study the extent to which the plasticizer remained in it after a period of time, as well as its exposure to heat of atmosphere. Several experiments were conducted to reach the optimum conditions to obtain the highest percentage of extracted plasticizer and then it was diagnosed by infrared spectrophotometer and thin layer chromatography. The results showed that the extracted plasticizer matches the standard plasticizer. We also performed viscosity measurements and bromine detection. The results showed that increasing the percentage of plasticizer works to increase the flexibility of plastic materials and reduce the degree of softening, knowing that adding the amount of plasticizer depends on the season of the year. This study can be used for the purpose of qualitative improvement of the production of recycled plastic as well as for the benefit of environmental issues.
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