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AssigneesMitsui Chemicals, Inc., Prime Polymer Co., Ltd.
InventorsMasao Suzuki, Yasuo Satoh, Takahiro Akashi, Tsutomi Tasaki, Shinya Matsubara, Hideki Bando
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The present invention provides a film including, in at least a part thereof, a layer comprising an ethylene-based resin, which is a copolymer of ethylene and an α-olefin of 4 to 10 carbon atoms, and satisfies the following requirements (1) to (5) at the same time or an ethylene-based resin composition containing the resin; (I) the melt flow rate at 190° C. under a load of 2.16 kg is in the range of 0.1 to 50 g/10 min, (II) the density is in the range of 875 to 970 kg/m3, (III) the ratio of a melt tension at 190° C. to a shear viscosity at 200° C. and an angular velocity of 1.0 rad/sec is in the range of 1.00×10−4 to 9.00×10−4, (IV) the sum of the number of methyl branches and the number of ethyl branches, each number being based on 1000 carbon atoms and measured by 13C-NMR, is not more than 1.8, and (V) the zero shear viscosity [η0(P)] at 200° C. and the weight-average molecular weight (Mw) as measured by a GPC-viscosity detector method (GPC-VISCO) satisfy the following relational formula (Eq-1): 0.01×10−13×Mw3.4≦η0≦4.5×10−13×Mw3.4 (Eq-1)
A film including, in at least a part thereof, a layer comprising an ethylene-based resin (R) which is a copolymer of ethylene and an α-olefin of 4 to 10 carbon atoms and satisfies the following requirements (1) to (5) at the same time or an ethylene-based resin composition (R′) containing the resin (R);
A laminate obtained by laminating a layer selected from a paper in the form of a sheet, an engineering plastic layer and an aluminum layer on one surface of a layer comprising the ethylene-based resin (R) or the resin composition (R′) through an anchor coating agent, and as needed, laminating a layer of an ethylene-based resin (P3) that is different from the ethylene-based resin (R) or the resin composition (R′) on the other surface.
A laminate obtained by laminating a layer selected from a paper in the form of a sheet, an engineering plastic layer and an aluminum layer on one surface of an ethylene-based resin (P3) that is different from the ethylene-based resin (R) or the resin composition (R′) through an anchor coating agent and laminating a layer comprising the ethylene-based resin (R) or the resin composition (R′) on the other surface.
Dependencies are inferred from the claim text.