Hardcoat multilayer film
Abstract:
One embodiment is a hardcoat multilayer film which includes layers, namely, a first hardcoat, a second hardcoat and a transparent resin film sequentially from the surface layer side. The first hardcoat is formed from a coating material that does not contain inorganic particles, while containing 100 parts by mass of (A) a polyfunctional (meth)acrylate, 0.5-20 parts by mass of (B) a compound having two or more secondary thiol groups in each molecule, 0.01-7 parts by mass of (C) a water repellent agent and 0.01-10 parts by mass of (D) a silane coupling agent; and the second hardcoat is formed from a coating material that contains 100 parts by mass of (A) a polyfunctional (meth)acrylate and 30-300 parts by mass of (F) inorganic fine particles having an average particle diameter of 1-300 nm. The polyfunctional (meth)acrylate (A) may contain 20% by mass or more of a tripentaerythritol acrylate. The coating material which forms the first hardcoat may additionally contain 0.1-5 parts by mass of (E) a thiophenyl-based photopolymerization initiator.
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