| abstract |
It aims at providing the resin substrate with a hard coat film excellent in weather resistance adhesion and weather cracking resistance. On at least one surface of the resin substrate 2, the primer layer 3 containing the acrylic polymer (P) as a main component and the hard coat layer 4 are sequentially provided from the resin substrate 2 side and are contained in the primer layer 3. The silyl group-containing acrylic polymer (α) contains a polymer unit based on methyl methacrylate (MMA), and a polymer unit having a silyl group-containing polymer unit and having an aromatic hydrocarbon group in the side chain, Value of acrylic polymer (P)) / (total amount of acrylic polymer (P) content and silyl group-containing acrylic polymer (α)) × 100 value is 50 to 98% by mass A resin substrate 1 with a hard coat film. |