CURABLE COMPOSITION AND OPTICAL INFORMATION-RECORDING MEDIUM
PROBLEM TO BE SOLVED: To provide a curable composition from which an optical information-recording medium having a light-transmitting layer having high hardness and being excellent in adhesion to polycarbonate and in low-hygroscopic property is obtained, and to provide the optical information-record...
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| creator | HIRAOKA MIKI NURISHI SEIJI |
| description | PROBLEM TO BE SOLVED: To provide a curable composition from which an optical information-recording medium having a light-transmitting layer having high hardness and being excellent in adhesion to polycarbonate and in low-hygroscopic property is obtained, and to provide the optical information-recording medium using a cured product of the curable composition in the light-transmitting layer. SOLUTION: The curable composition contains 0.1-10 pts.mass of a photoinitiator (D) based on 100 pts.mass of a monomer composition including 35-80 pts.mass of a urethane (meth)acrylate (A) obtained by reacting an isocyanate compound (a1), a polycarbonatediol (a2), and a (meth)acrylate (a3) containing a hydroxy group, 10-30 pts.mass of an isobornyl (meth)acrylate (B), and 10-35 pts.mass of a hydrophobic (meth)acrylate other than the urethane (meth)acrylate (A) and the isobornyl (meth)acrylate (B). The optical information-recording medium uses the cured product of the curable composition in the light-transmitting layer. COPYRIGHT: (C)2010,JPO&INPIT |
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SOLUTION: The curable composition contains 0.1-10 pts.mass of a photoinitiator (D) based on 100 pts.mass of a monomer composition including 35-80 pts.mass of a urethane (meth)acrylate (A) obtained by reacting an isocyanate compound (a1), a polycarbonatediol (a2), and a (meth)acrylate (a3) containing a hydroxy group, 10-30 pts.mass of an isobornyl (meth)acrylate (B), and 10-35 pts.mass of a hydrophobic (meth)acrylate other than the urethane (meth)acrylate (A) and the isobornyl (meth)acrylate (B). The optical information-recording medium uses the cured product of the curable composition in the light-transmitting layer. 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| language | eng |
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| subjects | 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 MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | CURABLE COMPOSITION AND OPTICAL INFORMATION-RECORDING MEDIUM |
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