Polycarbonates

   
   

A polycarbonate comprised of a repeating unit represented by Formula (I) ##STR1## with R.sup.1, R.sup.2, R.sup.3 and R.sup.4 being, for example, alkyl; Ar being, for example, aryl; and m representing the number of groups.

Un policarbonato formato da un'unità ripetente rappresentata dal ## del ## STR1 della Formula (i) con R.sup.1, R.sup.2, R.sup.3 e R.sup.4 che sono stato, per esempio, alchile; Ar che è, per esempio, arile; e m. che rappresenta il numero di gruppi.

 
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