Abstract
AbstractThe product of chlorination of poly(vinyl chloride), perchlorovinyl (PerCV), dissolves in most organic solvents, a fact explained by the weakening of intermolecular interaction by irregular disposition of chlorine atoms along the chain. For evaluation of the changes in these forces, solubility parameters were determined by the method of turbidimetry and viscosimetry proposed by Suh, Clark, and Mangarai.For turbidimetry 15 solvents of differing chemical nature and 2 nonsolvents were used: hexane (low solubility parameter) and methanol (high solubility parameter). Values of the intrinsic viscosity and Huggins constants were obtained from viscometric data. Consideration of the results in terms of the Flory‐Huggins theory gave a value of 9.30(cal/cm3)1/2 for the solubility parameter of PerCV.
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