VERFAHREN ZUR HERSTELLUNG VON POLYVINYLALKOHOLMISCHUNGEN IN WÄSSERIGER LÖSUNG UND ERHALTENE PRODUKTE.

摘要

A decolorized anticrust material to be deposited on the internal surfaces of a polymerization reactor for the production of PVC-S of the type utilizing an amino-derived of the benzoic acid esterified on a polyvinylic alcohol in mix with a natural poliphenols extract particularly treated with sodium hydrosulfite.