Dainippon Ink and Chemicals, Incorporated

Tsuyoshi Fukukita

Hidetsugu Sawada

Mamoru Fukuoka

An anti-fogging thermoplastic resin sheet is provided which has a remarkably improved strength in an anti-fogging coating film thereof, inhibiting coating film breakage during the forming, and which exerts excellent anti-fogging effects even in the case of a deep drawn formed articles and can prevent transfer of the anti-fogging coating film to the opposite surface when the anti-fogging thermoplastic resin sheet is wound in a roll. A formed article having excellent anti-fogging effects is also provided. A thermoplastic resin sheet comprising polystyrene, a polymer alloy of polystyrene and a rubber, a high-impact styrene resin, a copolymer of styrene and an acrylic monomer, polyolefin, polyethylene terephthalate, polyvinyl chloride or polyvinylidene chloride comprises on the surface thereof an anti-fogging coating film comprising a surfactant (A) and cyclodextrin or a water-soluble compound (B) in which hydroxyl groups of cyclodextrin are modified.

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Ritto, Japan

Tsuyoshi Fukukita