Radiation Curable Composition and Curing Product Thereof, and Laminate Including the Same

A radiation-curable composition capable of giving a cured product which has excellent transparency, mechanical strength and an excellent balance between surface hardness and resistance to deformation by heat/humidity; the cured product; and a multilayer structure which has a layer of the cured produ...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MATSUDA OSAMU, ESAKI AKIRA
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON CORRECTING FLUIDS DYES FILLING PASTES INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER INKS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 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 MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS PHYSICS POLISHES THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	A radiation-curable composition capable of giving a cured product which has excellent transparency, mechanical strength and an excellent balance between surface hardness and resistance to deformation by heat/humidity; the cured product; and a multilayer structure which has a layer of the cured product and is suitable for use as an optical recording medium, etc, are provided A radiation-curable composition which comprises a monomer having a radiation-curable group and gives a cured product having the following properties: (1) when the cured product has a thickness of 100±5 mum, the cured product has a light transmittance at a wavelength of 550 nm of 80% or higher; (2) a multilayer structure where a layer of the cured product having a thickness of 100±5 mum is formed on a poly(ethylene terephthalate) film having a thickness of 100±5 mum, has a surface hardness of HB or higher; and (3) when a multilayer structure where the cured product having a thickness of 100±5 mum is formed on a disk made of a polycarbonate having a diameter of 130 mm and a thickness of 1.2±0.2 mm, is placed in an environment of 80° C. and 85% RH for 100 hours, then an absolute value \|a\| of an amount of warpage, a (mm), on the circumference of the multilayer structure is 0.5 mm or less.