Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
Heat-shrinkable layered polyolefin film, heat-shrinkable label, and container with the label attached thereto
A heat-shrinkable polyolefin series laminated film having excellent firmness (stiffness at ordinary temperature) of film, resistance to fingerprint bleaching, shrink finishability, transparency and regeneration additivity, with a small natural shrinkage and accurately separable by specific gravity, can be provided by, in a laminated film provided with a surface layer (I) and an intermediate layer (III), forming the surface layer (I) with a mixed resin of cyclic olefin series resin and a polyethylene series resin (A) with a Tm of 80° C. or higher but no greater than 125° C. as a main component, and, forming the intermediate layer (III) with a resin composition having as a main component a cyclic olefin series resin, preferably a mixed resin composition of a cyclic olefin series resin and a polyethylene series resin (C) with a Tm exceeding 125° C. but no greater than 140° C., as a main component.
Mitsubishi Plastics, Inc.
B Y Y Y Y B B B B B B
B32B Y10T Y10T Y10T Y10T B32B B32B B32B B32B B32B B32B
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Kouichirou Hideyasu Takeyoshi
Taniguchi Miyazaki Yamada