Aromatic polycarbonate compositions

Problems may sometimes occur in the manufacture of optical disks from polycarbonate compositions. Cloud formation may occur notably when short cycle times are used. It has been found that cloud formation is eliminated or minimized when polycarbonate compositions are used in disk manufacture which ar...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	RIJKEN, CORNELIS JAN MARIA, VAN HOUT, HENRICUS HUBERTUS M, SNOW, KEVIN MITCHELL, HOVATTER, THOMAS WAYNE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	Problems may sometimes occur in the manufacture of optical disks from polycarbonate compositions. Cloud formation may occur notably when short cycle times are used. It has been found that cloud formation is eliminated or minimized when polycarbonate compositions are used in disk manufacture which are free of added release agents. The application relates to polycarbonate compositions having an aromatic polycarbonate having a weight-averaged molecular weight from 15,000 to 21,000 which contain no added release agents. The application also relates to substrates for optical disks manufactured from said polymer mixture.