Abstract: It is an object of the present invention to provide a modified polypropylene composition for forming laminates, which enables prevention of lowering of interlaminar bond strength even in the case where it is subjected to high-speed molding or subjected to stretch molding, and a laminate using the composition and having excellent interlaminar bond properties. The present invention relates to a modified polypropylene composition comprising a propylene-based polymer (A-1), 0 to 45% by weight of a propylene-based polymer (A-2), an ethylene/?-olefin copolymer (B) having a melt flow rate (MFR; ASTM D1238, 230° C., load of 2.16 kg) of 0.01 to 40 g/10 min and a density (ASTM D1505) of not more than 0.900 g/cm3, and a specific amount of modified polypropylene (C) a part or all of which has been graft-modified with an unsaturated carboxylic acid or a derivative thereof.

Abstract: It is an object of the present invention to provide a modified polypropylene composition for forming laminates, which enables prevention of lowering of interlaminar bond strength even in the case where it is subjected to high-speed molding or subjected to stretch molding, and a laminate using the composition and having excellent interlaminar bond properties. The present invention relates to a modified polypropylene composition comprising a propylene-based polymer (A-1), 0 to 45% by weight of a propylene-based polymer (A-2), an ethylene/?-olefin copolymer (B) having a melt flow rate (MFR; ASTM D1238, 230° C., load of 2.16 kg) of 0.01 to 40 g/10 min and a density (ASTM 91505) of not more than 0.900 g/cm3, and a specific amount of modified polypropylene (C) a part or all of which has been graft-modified with an unsaturated carboxylic acid or a derivative thereof.

Abstract: Laminating resin compositions of the invention enable excellent productivity in the lamination processes, and are free from deterioration in optical characteristics such as transparency or surface properties inherent to resins such as polypropylenes. Multilayer structures obtained by laminating the composition on a substrate have tear strength which is as high as that of multilayer structures obtained by simply laminating a polyolefin resin such as polypropylene on a substrate. The laminating resin composition includes a polyolefin resin and a polyethylene wax having a density in the range of 890 to 955 kg/m3 as measured by a density gradient tube method in accordance with JIS K 7112 and a number average molecular weight (Mn) in terms of polyethylene in the range of 500 to 2900 as measured by gel permeation chromatography (GPC).

Abstract: An olefin wax (A) is (i) a copolymer (A1) obtained by copolymerizing ethylene and at least one diene or a copolymer (A2) obtained by copolymerizing ethylene, at least one olefin selected from ?-olefins of 3 to 12 carbon atoms and at least one diene; wherein (ii) the content of unsaturated groups per one molecule is in the range of 0.5 to 3.0 groups; (iii) the density is in the range of 870 to 980 kg/m3; (iv) the melting point is in the range of 70 to 130° C.; (v) the number-average molecular weight is in the range of 400 to 5,000; and (vi) the ratio (Mw/Mn) of the weight-average molecular weight to the number-average molecular weight is not more than 4.0. A silicone-modified olefin wax can be obtained by reacting hydrogen silicone with the olefin wax (A). Cosmetics contain the silicone-modified olefin wax.

Abstract: The present invention provides a process for producing a thermoplastic resin composition comprising a polyolefin wax having good dispersibility for a thermoplastic resin, a molded product, which is excellent in physical properties such as blocking property and mechanical properties, from the thermoplastic resin composition and a process for producing the molded product. Specifically, a process for producing a thermoplastic resin composition comprises melt-kneading a mixture of a polyolefin wax (A) which has a passing ratio through a mesh having a sieve opening of 5.66 mm? of 95% by weight or more, and a non-passing ratio through a mesh having a sieve opening of 2.00 mm? of 95% by weight or more, and is in the particle form, and a thermoplastic resin (B), a molded product, which is excellent in physical properties such as blocking property and mechanical properties, obtained from the thermoplastic resin composition and a process for producing the molded product are provided.

Abstract: A polyester binder resin for a toner that excels in low-temperature fixing properties, offset resistance, development durability, long-term storability, electrification properties, pulverizability, etc.; and a toner containing the same. The binder resin for a toner is comprised of a polyester resin and, dispersed therein, a wax having a substituent selected from among a substituent of aromatic structure (representative example thereof is a group derived from a styrene compound), a carboxyl group and a hydroxyl group, or comprised of a polyester resin having the above wax introduced in the structure thereof. The toner containing the above binder resin for toner exhibits excellent capability in not only, as fundamental performance of toner, low-temperature fixing properties and offset resistance but also development durability, antiblocking properties and pulverizability.

Abstract: [Object] Disclosed is to provide a process for producing a molded article of polyethylene excellent in mechanical properties while the productivity at the time of T-die molding is improved, and a process for producing a secondary molded article by vacuum molding of the molded article with high formability. [Means to Solve the Problems] A process for producing a molded article by T-die molding of a mixture comprising a polyolefinic resin and a polyethylene wax, the polyethylene wax having a density of 880 to 980 (kg/m3) as measured by a density gradient tube method in accordance with JIS K7112 and a number average molecular weight (Mn) of 500 to 4,000 in terms of polyethylene as determined by gel permeation chromatography (GPC) and satisfying the relationship shown by the following expression (I): B?0.

Abstract: [Object]Disclosed is to provide a process for producing a film by using a raw material comprising a polyethylene having a density of 900 to 980 kg/m3 or a polypropylene, whereby improving the productivity at the time of producing the film by a stretch molding. Further the film is obtained without impairing the optical characteristics and mechanical characteristics, which are intrinsic characteristics of polyethylene or polypropylene. [Solving Means]A process for producing a film by a stretch molding of a mixture comprising a polyethylene and a polyethylene wax, the polyethylene having a density of 900 to 980 kg/m3 and an MI of 0.01 to 100 g/10-minutes as measured at 190° C. and a testing load of 21.18 N in accordance with JIS K7210 or a polypropylene, and the polyethylene wax having a density of 890 to 980 kg/m3 and a number-average molecular weight (Mn) of 500 to 4,000 as measured by the gel permeation chromatography (GPC) and satisfying the relationship shown by the following equation (I). B?0.

Abstract: A process for producing a molded product by inflation molding, which is improved in productivity in molding and can give a molded product not impaired in properties inherent in polyethylene, wherein a molded product is produced by inflation molding using a mixture comprising polyethylene having a density of 900 to 980 (kg/m3) and a polyethylene wax having a density of 890 to 980 (kg/m3) and a number-average molecular weight (Mn), as measured by gel permeation chromatography (GPC), of 500 to 4,000 in terms of polyethylene and satisfying a relationship represented by the following formula (I): B?0.0075×K??(I) wherein B is a content (% by weight) of a component having a molecular weight, as measured by gel permeation chromatography, of not less than 20,000 in terms of polyethylene, in the polyethylene wax, and K is a melt viscosity (mPa·s) of the polyethylene wax at 140° C.

Abstract: An olefin wax (A) is (i) a copolymer (A1) obtained by copolymerizing ethylene and at least one diene or a copolymer (A2) obtained by copolymerizing ethylene, at least one olefin selected from ?-olefins of 3 to 12 carbon atoms and at least one diene; wherein (ii) the content of unsaturated groups per one molecule is in the range of 0.5 to 3.0 groups; (iii) the density is in the range of 870 to 980 kg/m3; (iv) the melting point is in the range of 70 to 130° C.; (v) the number-average molecular weight is in the range of 400 to 5,000; and (vi) the ratio (Mw/Mn) of the weight-average molecular weight to the number-average molecular weight is not more than 4.0. A silicone-modified olefin wax can be obtained by reacting hydrogen silicone with the olefin wax (A). Cosmetics contain the silicone-modified olefin wax.

Abstract: The present invention provides a process for producing an injection molded product comprising injection molding a mixture containing a thermoplastic resin (A) and a polyolefin wax (B), wherein the mixture has L/L0?1.05, the L being a flow length in the case where the mixture contains the polyolefin wax and the L0 being a flow length in the case where the mixture contains no polyolefin wax, the L and L0 being measured under the conditions of a mold temperature of 40° C. and a resin temperature, Tr, as determined by the following expression: Tr=3/4×Tm+100 (wherein Tm represents a melting temperature (° C.) of the thermoplastic resin), using a spiral flow mold having a thickness of 1 mm and a width of 10 mm.

Abstract: Provided is a process for efficiently producing a molded product with an improved moldability in blow molding and no deterioration of the physical properties of the molded product. The process comprises melting a mixture of a thermoplastic resin and a polyolefin wax which has a number-average molecular weight (Mn) in terms of polyethylene, as measured by gel permeation chromatography (GPC), in the range of 200 to 5,000, and a crystallization temperature, as measured by a differential scanning calorimetry (DSC), in the range of 65 to 120° C.; and then subjecting the mixture to blow molding.

Abstract: A thermoplastic resin composition of the present invention comprises a thermoplastic resin (A), and a polyolefin wax (B) having a number-average molecular weight (Mn), as measured by gel permeation chromatography (GPC), in the range of 400 to 5,000, a melting point, as measured by a differential scanning calorimetry (DSC), in the range of 65 to 130° C., and a density, as measured by a density gradient tube process, in the range of 850 to 980 kg/m3, and satisfying the relationship represented by the following formula (I) of the crystallization temperature (Tc(° C.), measured at a temperature lowering rate of 2° C./min.), as measured by a differential scanning calorimetry (DSC), and the density (D (kg/m3)): 0.501×D?366?Tc??(I). The thermoplastic resin composition can reduce the load applied on the screw of an extruder upon plasticization, and has good extrusion productivity. A molded product of the present invention is obtained by molding the thermoplastic resin composition.

Abstract: [PROBLEMS] The present invention provides a modifier for an electrophotographic toner which is excellent in adhesiveness with various inks, coating materials, aluminum or other metals, or the like, a release agent of the electrophotographic toner, and a modified electrophotographic toner. [MEANS FOR SOLVING PROBLEMS] A release agent for an electrophotographic toner, which comprises an epoxidized low-molecular-weight ethylene polymer (B) which contains an epoxy group in the polymer chain of a low-molecular-weight ethylene polymer (A), and has (i) a density of 870 to 1,050 kg/m3, (ii) a melting point of 70 to 130° C., and (iii) a number-average molecular weight (Mn) of 400 to 5,000, and a modified low-molecular-weight ethylene compound (C) obtained from the epoxidized low-molecular-weight ethylene polymer (B) and a carboxylic acid compound; and an electrophotographic toner for developing an electrostatic charge image, which comprises the modified low-molecular-weight ethylene compound (C).

Abstract: The present invention provides a process for improving the moldability in the blow molding and efficiently producing a molded product, without deterioration of the physical properties of the molded product. The process comprises melting a mixture of a thermoplastic resin, and a polyolefin wax which has a number-average molecular weight (Mn) in terms of polyethylene, in the range of 200 to 5,000, and a crystallization temperature, as measured by a differential scanning calorimetry (DSC) in the range of 65 to 120° C., and then subjecting the mixture to blow molding.

Abstract: The present invention provides a process for producing a thermoplastic resin composition comprising a polyolefin wax having good dispersibility for a thermoplastic resin, a molded product, which is excellent in physical properties such as blocking property and mechanical properties, from the thermoplastic resin composition and a process for producing the molded product. Specifically, a process for producing a thermoplastic resin composition comprises melt-kneading a mixture of a polyolefin wax (A) which has a passing ratio through a mesh having a sieve opening of 5.66 mm? of 95% by weight or more, and a non-passing ratio through a mesh having a sieve opening of 2.00 mm? of 95% by weight or more, and is in the particle form, and a thermoplastic resin (B), a molded product, which is excellent in physical properties such as blocking property and mechanical properties, obtained from the thermoplastic resin composition and a process for producing the molded product are provided.

Abstract: The present invention provides a process for producing a thermoplastic resin composition having good dispersibility of a polyolefin wax for a thermoplastic resin under a stable production condition, a process for producing a molded product using the thermoplastic resin composition, and a molded product obtained from the thermoplastic resin composition. According to the present invention, a mixture of a wax masterbatch (A) containing a polyolefin wax and a thermoplastic resin, and a thermoplastic resin (B) is melt-kneaded to prepare the thermoplastic resin composition and the molded product.

Abstract: The present invention provides an injection molding process of a thermoplastic resin which is capable of preventing the burning of the resin and reducing the cooling time after injection. The process for producing an injection molded product comprises injection molding a mixture containing a thermoplastic resin and a polyolefin wax at a molding temperature lower than that of the mixture excluding the polyolefin wax by at least 5° C.

Abstract: The present invention provides an injection molding process of a thermoplastic resin which is capable of thin molding or precision molding by improving injection moldability, particularly releasability or fluidity, without deteriorating the characteristics of the injection molded article of the thermoplastic resin. The process for producing an injection molded product comprises injection molding a mixture containing a thermoplastic resin and a polyolefin wax, wherein the mixture has L/L0?1.05, the L being a flow length in the case where the mixture contains the polyolefin wax and the Lo being a flow length in the case where the mixture contains no polyolefin wax, the L and L0 being measured under the conditions of a mold temperature of 40° C. and a resin temperature, Tr, as determined by the following equation: Tr=¾×Tm+100 (wherein Tm represents a melting temperature (° C.) of the thermoplastic resin), using a spiral flow mold having a thickness of 1 mm and a width of 10 mm.

Abstract: A binder resin for a toner comprises a polyester component having a specific structure which is not soluble in tetrahydrofuran, and a polyester component having a specific branched structure which is soluble in tetrahydrofuran. The binder resin can provide a toner, which is superior in low-temperature fixation and offset resistance and can be used in high speed printing in response to the recent market demands owing to its specific structure.