PROCESS FOR PREPARING POLYARYLATES

Described herein is a process for preparing polyarylates which comprises reacting a diester derivative of a dihydric phenol with an aromatic dicarboyxlic acid in the presence of from about 10 to about 60 weight percent of at least one halogenated and/or etherated substituted aromatic or heteroaromat...

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Bibliographische Detailangaben
Hauptverfasser: MARESCA, LOUIS M, STEINER, ULRICH A, BERGER, MITCHELL H
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:Described herein is a process for preparing polyarylates which comprises reacting a diester derivative of a dihydric phenol with an aromatic dicarboyxlic acid in the presence of from about 10 to about 60 weight percent of at least one halogenated and/or etherated substituted aromatic or heteroaromatic compound, at a temperature of from about 260 to about 3?0.degree.C.