Abstract: [Object] A laminate is provided which can form packaging bags having a wide range of packaging feasible temperatures and excellent high-speed liquid packaging properties. [Solution] The laminate includes a sealant layer and an intermediate layer disposed in contact with the sealant layer, the sealant layer including an ethylene/?-olefin copolymer satisfying the requirements (x0) to (x3). (x0) The copolymer is a copolymer of ethylene and a C3-C20 ?-olefin. (x1) The MFR is 1 to 50 g/10 min. (x2) The density is 890 to 910 kg/m3. (x3) 0.35??H (80)/?H?0.85, and 0.60??H (100)/?H?0.85, wherein ?H is the total heat of melting observed during DSC, and ?H (T) is the heat of melting observed during heating from 0° C. to T° C.

Abstract: An object of the present invention is to provide a resin composition for a sealant combining bag manufacturing performance and inflation film process-ability (extrusion properties, bubble stability), a sealant film and a heat-fusible film produced using the composition, and a package produced using the heat-fusible film. The ethylene-based resin composition for a sealant according to the present invention satisfies the following requirements (1) to (3) simultaneously: (1) a melt index (I21: 190° C., 21.6 kg load) is 42 to 80 g/10 min; (2) a ratio I21/I2 of the melt index (I21: 190° C., 21.6 kg load) to a melt index (I2: 190° C., 2.16 kg load) is 5 to 25; (3) a melt tension (190° C.) is 25 to 180 mN.

Abstract: Disclosed is a fiber-reinforced polypropylene-based resin composition including a propylene-based polymer (A) and reinforcing fibers (B), in which when a content of at least one olefin-derived structural unit selected from ethylene and an ?-olefin having 4 to 8 carbon atoms in the propylene-based polymer (A) is designated as E (% by mass) (the sum of the propylene-based polymer (A) and the reinforcing fibers (B) is designated as 100% by mass), and a mesopentad fraction of the propylene-based polymer (A) as measured by 13C-NMR is designated as M (%), the following Expression (1) and Expression (2) are satisfied, the fiber-reinforced polypropylene-based resin composition being a resin composition with which a molded product having excellent thermal and mechanical characteristics and having an excellent external appearance of the molded product surface (particularly, external appearance of a grained surface) can be produced.

Abstract: Provided are a propylene homopolymer composition for a capacitor film, from which a thin film can be easily produced and which can provide a film with excellent high-temperature voltage resistance, a method for producing the same, and a capacitor film. The propylene homopolymer composition for a capacitor film contains 1% by mass or more and less than 50% by mass of a propylene homopolymer (A1) having predetermined characteristics and more than 50% by mass and 99% by mass or less of a propylene homopolymer (B1) having predetermined characteristics, and has (i) a melt flow rate (MFR) of 1.0 to 10.0 g/10 min and (ii) a chlorine content of 2 ppm by mass or less.

Abstract: Provided are a propylene homopolymer composition for a capacitor film, which can provide a film with excellent high-temperature voltage resistance and excellent thin-film stretchability, a method for producing the same, and a capacitor film. The propylene homopolymer composition for a capacitor film contains 50 to 99% by mass of a propylene homopolymer (A1) having predetermined characteristics and 1 to 50% by mass of a propylene homopolymer (B1) having predetermined characteristics, and has (i) a melt flow rate (MFR) of 1.0 to 10.0 g/10 min and (ii) a chlorine content of 2 ppm by mass or less.

Abstract: There is provided a laminate having a high adhesive strength between a polyethylene layer and a base material layer without using any anchor coat agent. A method for producing the laminate, including a step of extrusion laminating a resin composition including an ethylene-based polymer composition containing an ethylene-based polymer and a phosphorus-containing compound having a specific structure with a base material so that the resin composition and the base material directly contact each other, wherein the ethylene-based polymer contains at least one of a high-pressure processed low-density polyethylene and a copolymer of ethylene with an ?-olefin having 3 to 10 carbon atoms, and the ethylene-based polymer composition satisfies predetermined requirements.

Abstract: A polypropylene resin composition including 100 parts by weight of basic components including a polypropylene resin (A) with a propylene polymer, the propylene polymer having a MFR of 10 to 300 g/10 min and containing 98 mol % or more of structural units derived from propylene, an ethylene.?-olefin copolymer (B) having an ethylene content of 65 to 90 mol %, and optionally an inorganic filler (E); 0.2 to 1 part by weight of a fatty acid amide (C); and 0.2 to 1 part by weight of a surfactant (D).

Abstract: Disclosed are: a polypropylene-based resin composition comprising 100 parts by mass of polypropylene-based resin (A) (provided that, when the polypropylene-based resin includes other resins and/or inorganic filler, the total amount of the polypropylene-based resin and other resins and/or inorganic filler is taken as 100 parts by mass), 0.80 to 5.0 parts by mass of on or more types of aluminum flakes (B) having an average particle size of 5 to 90 ?m, and 0.005 to 0.06 parts by mass of carbon black (C); and a molded article obtained by injection-molding this polypropylene-based resin composition. The polypropylene-based resin composition and the molded article obtained from this are excellent in a flip-flop metallic feeling, a heavy luxury feeling, light resistance and a feeling of luminance.

Abstract: Provided is a biaxially-stretched film wherein the biaxial stretching is possible in a broader temperature range and which is excellent in thickness accuracy, and an ethylene polymer composition serving as a raw material of the film. The biaxially-stretched film of the present invention is obtained from an ethylene polymer composition (E) including a specific ethylene polymer component (A) containing 20 to 100 wt % of an ethylene polymer (a) being a copolymer of ethylene and a C4-10 ?-olefin and having specific melt flow rate and density, and an ethylene polymer component (B) being another copolymer of ethylene and a C4-10 ?-olefin, wherein a weight fraction [WA] of the ethylene polymer component (A) is 0.50 or more and 0.92 or less, and a weight fraction [WE] of the ethylene polymer component (B) is 0.08 or more and 0.50 or less provided that WA and WB total 1.0.

Abstract: Propylene polymers and propylene resin compositions containing the polymers are used as molded articles used under stress for a long period such as automotive parts, housing parts, home appliance parts and electric power tool parts. Stress-resistant molded articles of the invention are obtained from these materials. A propylene homopolymer (A) satisfies the following requirements (1) to (3), and a polypropylene resin composition contains the propylene homopolymer (A). (1) The ratio (Mw/Mn) of weight average molecular weight (Mw) to number average molecular weight (Mn) according to GPC is in the range of 1.2 to 3.5. (2) Mn is in the range of 35,000 to 400,000. (3) The content of components soluble in o-dichlorobenzene at 90° C. is not more than 4 wt %.

Abstract: Disclosed is a fiber-reinforced polypropylene-based resin composition including a propylene-based polymer (A) and reinforcing fibers (B), in which when a content of at least one olefin-derived structural unit selected from ethylene and an ?-olefin having 4 to 8 carbon atoms in the propylene-based polymer (A) is designated as E (% by mass) (the sum of the propylene-based polymer (A) and the reinforcing fibers (B) is designated as 100% by mass), and a mesopentad fraction of the propylene-based polymer (A) as measured by 13C-NMR is designated as M (%), the following Expression (1) and Expression (2) are satisfied, the fiber-reinforced polypropylene-based resin composition being a resin composition with which a molded product having excellent thermal and mechanical characteristics and having an excellent external appearance of the molded product surface (particularly, external appearance of a grained surface) can be produced.

Abstract: A polypropylene (F) for film condensers having the following requirements: (1) an MFR (JIS K 7210, 230° C., 2.16 kg load) in the range of 1-10 (g/10 min), (2) an mmmm fraction that is at least 93%, (3) a <2,1>erythro position defect amount as measured using 13C-NMR that is less than 0.1 mol %, (4) ash content obtained by complete combustion in atmosphere that is at most 50 ppm, (5) chlorine content as measured by ion chromatography that is at most 5 ppm; and (6) is obtained by including a propylene homopolymer for which Mw/Mn as measured via GPC is 6.5-12 and an ?-crystal nucleating agent with a melting point of at most 290° C.

Abstract: Disclosed are a polypropylene-based resin composition comprising 5 to 47 parts by mass of a propylene-based polymer (A) having an MFR of 50 to 150 g/10 min and an amount of a decane-soluble part of 6% by mass or more, 0 to 30 parts by mass of a propylene homopolymer (B) having an MFR of 10 to 500 g/10 min, 23 to 30 parts by mass of an ethylene-?-olefin copolymer (C) which is a random copolymer composed of ethylene and an ?-olefin having 4 to 8 carbon atoms, and has a density of 0.850 to 0.890 g/cm3 and an MFR of 0.5 to 30 g/10 min, and 30 to 40 parts by mass of an inorganic filler (D) having an average particle size of over 3.0 ?m and less than 5.0 ?m [the total amount of the components (A) to (D) is 100 parts by mass]; and an automobile exterior member obtained by injection-molding or press-molding the composition.

Abstract: A polypropylene (F) for film condensers having the following requirements: (1) an MFR (JIS K 7210, 230° C., 2.16 kg load) in the range of 1-10 (g/10 min), (2) an mmmm fraction that is at least 93%, (3) a <2,1>erythro position defect amount as measured using 13C-NMR that is less than 0.1 mol %, (4) ash content obtained by complete combustion in atmosphere that is at most 50 ppm, (5) chlorine content as measured by ion chromatography that is at most 5 ppm; and (6) is obtained by including a propylene homopolymer for which Mw/Mn as measured via GPC is 6.5-12 and an ?-crystal nucleating agent with a melting point of at most 290° C.

Abstract: There is shown a propylene resin composition including 100 parts by weight of (A) a propylene resin and 0.05 to 0.5 part by weight of (B) a nucleating agent containing an organophosphoric ester compound represented by the formula (B1) and at least one kind selected from aliphatic carboxylic acids and derivatives thereof and containing an alkali metal element as an essential component, wherein MFR is 11 to 100 g/10 min, the crystalline melting point is 140 to 155° C., and in an elution curve determined by a temperature rising elution fractionation chromatograph (TREF), the elution quantity Wp1 (% by weight) in a temperature range higher than the main elution peak temperature Tp and the elution quantity Wp2 (% by weight) in a temperature range not higher than 10° C. are each in a specific range.

Abstract: [Problem] To provide polypropylene for a microporous film having excellent heat resistance and strength. [Solution] Polypropylene for a microporous film satisfying the following requirements (1) and (2): (1) the weight-average molecular weight (Mw) value, as determined by gel permeation chromatography (GPC), is not less than 100,000 but less than 800,000, the value (Mw/Mn) obtained by dividing the weight-average molecular weight by the number-average molecular weight is more than 7.0 but not more than 12.0, and the value (Mz/Mw) obtained by dividing the Z-average molecular weight by the weight-average molecular weight is not less than 3.8 but not more than 9.0, and (2) the mesopentad fraction, as measured by 13C-NMR (nuclear magnetic resonance method), is not less than 95.5%.

Abstract: Provided is a polypropylene resin composition which is good in extrusion property, which is good in appearance and low in variation in thickness when formed into a film, which is well-balanced in dynamic characteristics, and which has high heat resistance. A polypropylene resin composition satisfying the following requirements (1) to (3): (1) a melt flow rate (MFR) measured under a load of 2.16 kg at 230° C. according to ASTM D1238 is 1 to 10 g/10 min; (2) a pentad isotactic fraction measured using 13C-NMR is 0.930 or more; and (3) Mz is 600000 to 1400000, and Mw/Mn is 6.5 to 14.0.

Abstract: A laminate from which containers with improved transparency, high low-temperature impact strength and rigidity can be made. The laminate includes a resin layer [I] containing 60.0% by mass or more and 85.0% by mass or less of a propylene-based polymer (A) and 15.0% by mass or more and 40.0% by mass or less of an ethylene-based polymer (B), and a resin layer [II] containing 80.0% by mass or more and 99.9% by mass or less of a propylene-based polymer (A), 0.0% by mass or more and less than 15.0% by mass of an ethylene-based polymer (B), and 0.1% by mass or more and 20.0% by mass or less of a nucleating agent (C). The propylene-based polymer (A) and the ethylene-based polymer (B) satisfy specific requirements in both of the resin compositions [I] and [II].

Abstract: In a polypropylene-based foamed molded body of the present invention, a density which is measured on the basis of ISO1183 is greater than or equal to 0.15 g/cm3 and less than or equal to 0.54 g/cm3, thermal resistance (R) at 30° C. in a thickness direction which is measured on the basis of ASTM E1530 is greater than or equal to 0.020 m2·K/W and less than or equal to 0.125 m2·K/W, thermal capacity per unit area (Q) at 30° C. is greater than or equal to 1.0 kJ/m2·K and less than or equal to 2.5 kJ/m2·K, and Expression 1 described below is satisfied.

Abstract: A film for inorganic substance deposition, comprising single or multiple resin layers, wherein all of the resin layers contain an ethylene-based polymer (A) having a melt tension (MT), as measured at 190° C., of not more than 5.0 g, and the film satisfies the following requirements: Requirement (1): the amount of a component generated by heating the film under the prescribed conditions is not more than 1.2 ?g per milligram of the film; Requirement (2): the amount of a compound containing pentavalent phosphorus, said compound being recovered after washing of a surface of the film under the prescribed conditions, is not more than 9 ?g; and Requirement (3): the amount of an oxide of an oligomer of a hexamer to a decamer, said oxide being recovered after washing of a surface of the film under the prescribed conditions, is not more than 1.5 ?g.