HYDROGENATED CYCLIC CONJUGATED DIENE POLYMER AND OPTICAL DISK SUBSTRATE

PROBLEM TO BE SOLVED: To provide a highly purified resin with high thermostability, plasticity and mechanical properties. SOLUTION: A hydrogenated cyclic conjugated diene polymer containing transition metals and aluminium in total 10 ppm or less is obtained from a cyclic conjugated diene polymer con...

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Bibliographische Detailangaben
Hauptverfasser:	HASHIZUME KIYOSHIGE, MATSUMURA SHUNICHI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING 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 WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a highly purified resin with high thermostability, plasticity and mechanical properties. SOLUTION: A hydrogenated cyclic conjugated diene polymer containing transition metals and aluminium in total 10 ppm or less is obtained from a cyclic conjugated diene polymer consisting of x wt.% unit derived from a cyclic conjugated diene monomer, y wt.% unit derived from a styrene monomer and z wt.% unit derived from a conjugated diene monomer (x, y and z satisfy following relation; 1