FILM AND LABELED PLASTIC CONTAINER
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United States of America Patent
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Oct 27, 2014
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Mar 3, 2014
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Abstract
A thermoplastic resin film that has an excellent heat insulating property, and a labeled plastic container produced by attaching the thermoplastic resin film by in-mold molding are provided. The film comprises at least one porous layer that satisfies the following conditions (A) and (B). (A) The porous layer includes 25 to 65 pts. mass of thermoplastic resin and 35 to 75 pts. mass of inorganic fine powders. (B) A pore length L of the porous layer as expressed by L=d×(ρ0−ρ)/ρ0 is 20 μm or longer. L denotes the pore length [μm] of the porous layer, d denotes a thickness [μm] of the porous layer, p denotes a density [g/cm3] of the porous layer, and ρ0 denotes a true density [g/cm3] of the porous layer.
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