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K. German, K. Kulesza

The effect of poly(ethylene terephthalate) and polyethylene as admixtures in, on dehydrochlorination of, poly(vinyl chloride). RAPID COMMUNICATION (in English)

Polimery 1999, No 7-8, 548

DOI: dx.doi.org/10.14314/polimery.1999.548


Dehydrochlorination (DHC) of PVC was studied in the presence of PET and PE as admixtures by using conductometry to determine the forming HC1. The admixtures were found to suppress the maximum degree of DHC and to reduce the rate of DHC. The kinetic data showed the Diels-Alder mechanism to be involved in the zip termination reaction. GC-MS data showed PET as admixture to result in no organochlorine compounds present in the pyrolyzates of (PVC + PET) mixtures.

Keywords: poly(vinyl chloride), recycling of PVC, mechanism of dehydrochlorination of PVC

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