DECORATIVE FILM AND DECORATIVE ARTICLE USING SAME, AND SURFACE PROTECTIVE COMPOSITION

• Main Author: Egashira, Ken
• Format: Patent
• Language: English
• Published: 19.01.2023
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

Provided is a decorative film having excellent weather resistance, scratch resistance, and elongation properties, and a decorative article using the same, and a surface protective composition that can exhibit such properties. A decorative film according to one embodiment of the present disclosure includes a surface protective layer. The surface protective layer contains a polyurethane resin obtained by reacting a composition containing a polycarbonate diol, and a trimer or higher multimer of a diisocyanate including a cyclohexane structure, a diisocyanate including a cyclohexane structure or a prepolymer thereof, or a mixture thereof, and the decorative film satisfies Formulas 1 to 3 below: 0≤X1≤2.00 . . . Formula 1 X1≤−0.7×X2+4.67 . . . Formula 2 X1≥−0.7×X2+2.14 . . . Formula 3 where X1 is a numerical value obtained by multiplying the number of branches from a branch point relative to a converted molecular weight of the polyurethane resin by 1000, and X2 is a numerical value obtained by multiplying the number of cyclohexane structure portions included in the polyurethane resin relative to the converted molecular weight of the polyurethane resin by 1000.