TRANSPARENT LAMINATE FILM AND TRANSPARENT SUBSTRATE

PROBLEM TO BE SOLVED: To provide a new transparent laminate film having superior transparency and thermal dimensional stability at a high temperature (for example, 200°C or higher).SOLUTION: The laminate film has a cured layer in both of top and back sides of a base film. The laminate film is firstl...

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Bibliographische Detailangaben
Hauptverfasser:	KINOSHITA SHOHEI, YAMAMOTO YORIYASU
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON 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 METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a new transparent laminate film having superior transparency and thermal dimensional stability at a high temperature (for example, 200°C or higher).SOLUTION: The laminate film has a cured layer in both of top and back sides of a base film. The laminate film is firstly characterized in that: the cured layer is formed by using a photopolymerizable compound (A), a photopolymerization initiator (B) and fine particles (C); and thicknesses of the base film and the cured layer satisfy a predetermined relationship. The laminate film is secondly characterized in that: when the laminate film is heated at 200°C for 10 minutes, a thermal shrinkage of the laminate film in at least one of the longitudinal direction (MD direction) and the transverse direction (TD direction) is 70% or less of a thermal shrinkage when the base film is heated under the same conditions; and the total ray transmittance of the laminate film is 80% or more.