PRODUCTION OF HYDROGENATED POLYMER

PRODUCTION OF HYDROGENATED POLYMER

PURPOSE:To obtain a polymer (plastic) outstanding in transparency, thermal characteristics, etc., useful esp. as an optical recording material, by hydrogenation of a polymer prepared by ring opening polymerization of a mixture of each polar substituent-free tetracyclododecene (and norbornene). CONST...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YAMAZAKI MASAHIRO, KAMIYA SHIGEMITSU, FUKAZAWA YASUTOSHI
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:PURPOSE:To obtain a polymer (plastic) outstanding in transparency, thermal characteristics, etc., useful esp. as an optical recording material, by hydrogenation of a polymer prepared by ring opening polymerization of a mixture of each polar substituent-free tetracyclododecene (and norbornene). CONSTITUTION:The objective polymer can be obtained by hydrogenation of a polymer prepared by ring opening polymerization of a mixture of each polar substituent-free tetracyclododecene (and norbornene). Preferably, the proportion of the tetracyclododecene skeleton in the final polymer is >=90mol.%, and >=90mol.% of the main chain double bond in the final polymer is hydrogenated.