HIGH-MOLECULAR WEIGHT POLYDIPHENYLVINYLPHOSPHINE OXIDE, ITS MANUFACTURING METHOD AND METAL EXTRACTING REAGENT
PROBLEM TO BE SOLVED: To provide a high-molecular weight polydiphenylvinylphosphine oxide having a molecular weight of 10,000 or more which is particularly useful as a metal extracting reagent. SOLUTION: The high-molecular weight polydiphenylvinylphosphine oxide is composed of a constituting unit re...
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