This is what I've been able to find thus far. Can't find much on ethylene vinyl acetate (EVA), more is available on vinyl acetate (VA). Both are discussed in this study.
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From lead acetate the acetate anion is a weak base that will react with stronger acids than acetic acid is ( pKa < 4.77) to form is conjugated acid. The Pb2+ ion may react with the acid's anion if...