RING-OPENED POLYNORBORNENES

Ring-opened polynorbornenes which exhibit relatively small birefringence, peculiar dependence of birefringence on wavelength, and excellent transparency and heat resistance. The polymers comprises structural units represented by the general formula (I): general formula (I) general formula (I-1) gene...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MIYAMOTO, YOSHIKAZU, YOSHIDA, SOUICHI, HASHIGUCHI, YUICHI, MIYAKI, NOBUYUKI
Format:	Patent
Sprache:	eng ; fre ; jpn
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS THEIR PREPARATION OR CHEMICAL WORKING-UP
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