ACRYLHARZE MIT GERINGER WASSERAUFNAHME

Data storage disks containing optically readable information made from a copolymer having low water absorption and good optical and mechanical properties, said copolymer being at least ternary and comprising (A) methyl methacrylate, and further comonomers selected from at least two of the groups (B)...

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Bibliographische Detailangaben
Hauptverfasser:	JOSEPH,ARNDT,PETER, SIOL,WERNER,.DR, WENZEL,FRANZ,DR
Format:	Patent
Sprache:	ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	Data storage disks containing optically readable information made from a copolymer having low water absorption and good optical and mechanical properties, said copolymer being at least ternary and comprising (A) methyl methacrylate, and further comonomers selected from at least two of the groups (B) where R' is hydrogen or methyl and R'' is hydrogen or alkyl, and (C) where R''' is aliphatic or alicyclic hydrocarbon, and (D) styrene and/or alpha-methyl styrene.