Thorough dechlorination of poly (vinyl chloride) and applications of the dechlorinated solid

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Poly (vinyl chloride) (PVC) was thoroughly dechlorinated in the presence of zinc(II) oxide without evolving HCl gas at a lower temperature. Sulfonation of the dechlorinated PVC was conduced to induce adsorbents and catalysts. Cation exchange capacity of the sulfonated solid was ca.2meq/g close to the value of a commercially available cation exchange resin. The sulfonated sample adsorbed organic compounds from vapor phase, especially an aromatic compound, and activated a vapor phase alcohol dehydration reaction.