JPH064689B

PURPOSE:A polymer useful as an optical element material, etc., having transparency, low water vapor absorption and improved heat resistance, comprising (meth)acrylic acid tricyclo[5,2,1,0]deca-8-yl and other monomer units. CONSTITUTION:(A) (Meth)acrylic acid tricyclo[5,2,1,0]deca-8-yl is copolymeriz...

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Bibliographische Detailangaben
Hauptverfasser:	HOSOI YUTAKA, MYAJIMA HIROSHI, AKIMA TOSHIO, KAWAI HIROMASA, MORINAGA TAKASHI, KATO MITSUHARU
Format:	Patent
Sprache:	eng
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:	PURPOSE:A polymer useful as an optical element material, etc., having transparency, low water vapor absorption and improved heat resistance, comprising (meth)acrylic acid tricyclo[5,2,1,0]deca-8-yl and other monomer units. CONSTITUTION:(A) (Meth)acrylic acid tricyclo[5,2,1,0]deca-8-yl is copolymerized with (B) another (meth)acrylic acid ester (e.g., methyl methacrylate, etc.), and (C) an M-substituted maleimide, to give a copolymer comprising 100-3mol% main chain unit shown by the formula I (R1 is H, or methyl), 0-97mol% main chain unit shown by the formula II (R2 is H, or methyl; R3 is 1-8C alkyl, cycloalkyl, or aromatic group), and 0-30mol% main chain unit shown by the formula III (R4 is 1-6C alkyl, or cycloalkyl).