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The procedure for introducing 4-(trifluoroacetyl)benzoate groups into (poly)vinyl chloride has been developed. The new material thus prepared, 4-(trifluoroacetyl)benzoate modified (poly)vinyl chloride (TFAB-PVC), contains a built-in neutral anion carrier function. It… Click to show full abstract
The procedure for introducing 4-(trifluoroacetyl)benzoate groups into (poly)vinyl chloride has been developed. The new material thus prepared, 4-(trifluoroacetyl)benzoate modified (poly)vinyl chloride (TFAB-PVC), contains a built-in neutral anion carrier function. It has been shown that using TFAB-PVC instead of a known anion carrier additive, 4-(trifluoroacetyl)benzoic acid heptyl ester (TFABAHE), in sulfate, hydrogen phosphate and sulfide anion selective electrodes considerably increases the electrode’s lifetime even in alkaline media, probably by preventing crystallization of TFABAHE hydrate form on the membrane surface and slowing down the hydrolysis of ester groups and dissolution of the anion carrier.Graphical Abstract
Journal Title: Chemical Papers
Year Published: 2017
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