OPTICAL MATERIAL
PURPOSE:An optical material excellent in transparency, water resistance, thermal properties, processability, etc., comprising a polymer obtained by hydrogenating a ring-opening polymer comprising a tetracyclododecene (derivative) and a norbornene (derivative). CONSTITUTION:A ring-opening polymer com...
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| creator | YAMAZAKI MASAHIRO KAMIYA SHIGEMITSU FUKAZAWA YASUTOSHI |
| description | PURPOSE:An optical material excellent in transparency, water resistance, thermal properties, processability, etc., comprising a polymer obtained by hydrogenating a ring-opening polymer comprising a tetracyclododecene (derivative) and a norbornene (derivative). CONSTITUTION:A ring-opening polymer comprising 100-50mol% units of tetracyclododecene or derivative thereof and 0-50mol% units of norbornene or derivative thereof, represented by the formula (wherein R1, R2, R3, and R4 are each H or lower alkyl, or the like, and X/Y is 100/0-50/50 (molar ratio) is prepared by a usual polymerization process for a cyclic olefin. This polymer is hydrogenated in the presence of a hydrogenation catalyst (e.g., nickel/silica). The purpose optical material is made from the obtained hydrogenated polymer as a constituent. This optical material is suitably used for optical recording materials such as video disks or computer disks. |
| format | Patent |
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CONSTITUTION:A ring-opening polymer comprising 100-50mol% units of tetracyclododecene or derivative thereof and 0-50mol% units of norbornene or derivative thereof, represented by the formula (wherein R1, R2, R3, and R4 are each H or lower alkyl, or the like, and X/Y is 100/0-50/50 (molar ratio) is prepared by a usual polymerization process for a cyclic olefin. This polymer is hydrogenated in the presence of a hydrogenation catalyst (e.g., nickel/silica). The purpose optical material is made from the obtained hydrogenated polymer as a constituent. This optical material is suitably used for optical recording materials such as video disks or computer disks.</description><language>eng</language><subject>AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G ; CHEMISTRY ; COLOUR PRINTING ; COMPOSITIONS BASED THEREON ; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ; GENERAL PROCESSES OF COMPOUNDING ; LINING MACHINES ; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS ; METALLURGY ; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICS ; ORGANIC MACROMOLECULAR COMPOUNDS ; PERFORMING OPERATIONS ; PHYSICS ; PRINTING ; PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES ; STAMPS ; THEIR PREPARATION OR CHEMICAL WORKING-UP ; TRANSPORTING ; TYPEWRITERS ; WORKING-UP</subject><creationdate>1985</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19850208&DB=EPODOC&CC=JP&NR=S6026024A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19850208&DB=EPODOC&CC=JP&NR=S6026024A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>YAMAZAKI MASAHIRO</creatorcontrib><creatorcontrib>KAMIYA SHIGEMITSU</creatorcontrib><creatorcontrib>FUKAZAWA YASUTOSHI</creatorcontrib><title>OPTICAL MATERIAL</title><description>PURPOSE:An optical material excellent in transparency, water resistance, thermal properties, processability, etc., comprising a polymer obtained by hydrogenating a ring-opening polymer comprising a tetracyclododecene (derivative) and a norbornene (derivative). CONSTITUTION:A ring-opening polymer comprising 100-50mol% units of tetracyclododecene or derivative thereof and 0-50mol% units of norbornene or derivative thereof, represented by the formula (wherein R1, R2, R3, and R4 are each H or lower alkyl, or the like, and X/Y is 100/0-50/50 (molar ratio) is prepared by a usual polymerization process for a cyclic olefin. This polymer is hydrogenated in the presence of a hydrogenation catalyst (e.g., nickel/silica). The purpose optical material is made from the obtained hydrogenated polymer as a constituent. 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CONSTITUTION:A ring-opening polymer comprising 100-50mol% units of tetracyclododecene or derivative thereof and 0-50mol% units of norbornene or derivative thereof, represented by the formula (wherein R1, R2, R3, and R4 are each H or lower alkyl, or the like, and X/Y is 100/0-50/50 (molar ratio) is prepared by a usual polymerization process for a cyclic olefin. This polymer is hydrogenated in the presence of a hydrogenation catalyst (e.g., nickel/silica). The purpose optical material is made from the obtained hydrogenated polymer as a constituent. This optical material is suitably used for optical recording materials such as video disks or computer disks.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COLOUR PRINTING COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING LINING MACHINES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICS PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYPEWRITERS WORKING-UP |
| title | OPTICAL MATERIAL |
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