Abstract: [Object] To provide a resin composition with excellent mold releasability and blocking resistance. [Solution] A resin composition containing a 4-methyl-1-pentene polymer includes 0.01 to 10 parts by mass of a 4-methyl-1-pentene polymer (B) per 100 parts by mass of at least one resin (A) selected from the group consisting of thermoplastic resins and thermosetting resins, wherein the 4-methyl-1-pentene polymer (B) has (B1) an intrinsic viscosity [?] of 0.01 or more but less than 0.50 dl/g measured at 135° C. in a decalin solvent.

Abstract: [Object] To provide a resin composition with excellent mold releasability and blocking resistance. [Solution] A resin composition containing a 4-methyl-1-pentene polymer includes 0.01 to 10 parts by mass of a 4-methyl-1-pentene polymer (B) per 100 parts by mass of at least one resin (A) selected from the group consisting of thermoplastic resins and thermosetting resins, wherein the 4-methyl-1-pentene polymer (B) has (B1) an intrinsic viscosity [?] of 0.01 or more but less than 0.50 dl/g measured at 135° C. in a decalin solvent.

Abstract: [Object] To provide a resin composition with excellent mold releasability and blocking resistance. [Solution] A resin composition containing a 4-methyl-1-pentene polymer includes 0.01 to 10 parts by mass of a 4-methyl-1-pentene polymer (B) per 100 parts by mass of at least one resin (A) selected from the group consisting of thermoplastic resins and thermosetting resins, wherein the 4-methyl-1-pentene polymer (B) has (B1) an intrinsic viscosity [?] of 0.01 or more but less than 0.50 dl/g measured at 135° C. in a decalin solvent.

Abstract: It is an object of the present invention to provide a propylene-based polymer composition which is excellent in transparency and heat resistance (particularly, heat resistance at high heat deformation temperature) and is free from occurrence of stickiness even when it is used at a high temperature for a long period of time. The propylene-based polymer composition of the invention comprises (A) a propylene-based polymer (PP) satisfying the following requirements (1) and (2), in an amount of 1 to 99 parts by weight, and (B) a propylene/ethylene/?-olefin copolymer satisfying the following requirements (I) to (IV), in an amount of 99 to 1 part by weight, with the proviso that the total amount of the component (A) and the component (B) is 100 parts by weight; (1) the polymer (A) has a melting point (Tm), as measured by a differential scanning calorimeter (DSC), of not lower than 110° C. but not higher than 170° C.

Abstract: [Object] To provide a resin composition with excellent mold releasability and blocking resistance. [Solution] A resin composition containing a 4-methyl-1-pentene polymer includes 0.01 to 10 parts by mass of a 4-methyl-1-pentene polymer (B) per 100 parts by mass of at least one resin (A) selected from the group consisting of thermoplastic resins and thermosetting resins, wherein the 4-methyl-1-pentene polymer (B) has (B1) an intrinsic viscosity [?] of 0.01 or more but less than 0.50 dl/g measured at 135° C. in a decalin solvent.

Abstract: Ethylene polymer particles having an intrinsic viscosity [?] of 5 dl/g to 30 dl/g, a degree of crystallinity of as high as 80% or more, and a specific shape on the surface of the particles. The ethylene polymer particles can be obtained by carrying out polymerization of olefins including ethylene using an olefin polymerization catalyst containing a solid titanium catalyst component including magnesium, halogen and titanium under specific conditions. The ethylene polymer particles obtained by a solid phase method, such as solid phase drawing molding, are capable of providing a molded article with high strength.

Abstract: [Subject] The present invention provides ultra-high molecular weight polyolefin fine particles having a small particle diameter and a narrow particle size distribution, a molded article made of the fine particles and a sintered filter obtainable by sintering molding the ultra-high molecular weight polyolefin fine particles. [Means for Solving the Subject] The ultra-high molecular weight polyolefin fine particles comprising 1 to 50 ppm of a titanium atom and 1 to 1000 ppm of an aluminum atom, wherein the ultra-high molecular weight polyolefin fine particles have: [A] an intrinsic viscosity, as measured in decalin at 135° C., of not less than 5 dl/g, [B] an average particle diameter of not more than 20 ?m, and [C] a content of particles having a particle diameter of 0 to 40 ?m of not less than 90% by mass.

Abstract: The present invention provides ethylene polymer particles obtained by a solid phase method such as solid phase drawing molding and capable of providing a molded article with high strength. The ethylene polymer particles have an intrinsic viscosity [?] of 5 dl/g to 30 dl/g, a degree of crystallinity of as high as 80% or more, and a specific shape on the surface of the particles. The ethylene polymer particles can be obtained, for example, by carrying out polymerization of olefins including ethylene using an olefin polymerization catalyst containing a solid titanium catalyst component including magnesium, halogen and titanium under specific conditions.

Abstract: This invention relates to a perfectly or partially crosslinked olefinic thermoplastic elastomer composition which comprises 10 to 90 parts by weight of a crystalline polyolefin (a), 90 to 10 parts by weight of an olefin-based copolymer rubber (b) (the total amount of the components (a) and (b) being 100 parts by weight) and 3 to 100 parts by weight of a paraffinic mineral oil softening agent (c) having an evaporation loss of 0.4% by weight or less at a condition of 200° C., atmospheric pressure and 1 hour and having a kinetic viscosity (40° C.

Abstract: The resin composition for a skin member according to the present invention comprises a completely or partially crosslinked olefin thermoplastic elastomer (A) in an amount of 100 parts by weight, an organopolysiloxane (B) having a viscosity (JIS K2283, 25° C.) of not less than 1×106 cSt, preferably 1×106 to 1×108 cSt in an amount of 2 to 20 parts by weight, an organopolysiloxane (C) having a viscosity (JIS K2283, 25° C.) of not less than 10 cSt and less than 1×106 cSt in an amount of 0.5 to 5 parts by weight, and optionally, a polyolefin resin (D) in an amount of 5 to 150 parts by weight and/or a fluoropolymer (E) in an amount of 0.5 to 10 parts by weight. The other resin composition for a skin member according to the invention comprises a completely or partially crosslinked olefin thermoplastic elastomer (A) in an amount of 100 parts by weight, a fluoropolymer (E) in an amount of 0.

Abstract: This invention relates to a perfectly or partially crosslinked olefinic thermoplastic elastomer composition which comprises 10 to 90 parts by weight of a crystalline polyolefin (a), 90 to 10 parts by weight of an olefin-based copolymer rubber (b) (the total amount of the components (a) and (b) being 100 parts by weight) and 3 to 100 parts by weight of a paraffinic mineral oil softening agent (c) having an evaporation loss of 0.4% by weight or less at a condition of 200° C., atmospheric pressure and 1 hour and having a kinetic viscosity (40° C.

Abstract: In accordance with the present invention, there are provided information recording media having a substrate and thereon a recording layer and a metallic layer, wherein the metallic layer is composed of an aluminum alloy containing (i) titanium and (ii) at least one metal selected from among chromium, niobium and magnesium. The information recording media thus provided are excellent in corrosion resistance and small in dependence of the recording power on linear velocity.

Abstract: A thin film of an amorphous alloy comprising (i) at least one element selected from Fe and Co, (ii) at least one element selected from Pt and Pd and (iii) at least one element selected from (a) 3d transition elements other than Fe and Co, (b) 4d transition elements other than Pd, (c)5d transition elements other than Pt, (d) light rare earth elements, (e)Group III B elements, (f)Group IV B elements, (g)Group V B elements, and (h)Group VI B elements, and the film having an easy axis of magnetization perpendicular to the film face. The thin film has excellent magnetooptical characteristics including increased coercive force and large Kerr-rotation angle and Faraday-rotation angle, and is excellent in resistance to oxidation and In consequence the coercive force and Kerr-angle of the film do not substantially change with time. The film has a high reflectance as well.

Abstract: Magnetooptical recording media according to the present invention are disclosed. By virtue of comprising films of Nd-Dy-Co, Nd-M-Fe or Nd-M-Fe-Co alloy system (in which M denotes Tb, Dy or Ho) having a magnetic easy axis perpendicular to the film, the present magnetooptical recording media have such advantages that there is not any fear of lowering magnetic properties owing to the oxidation of the alloy films, and that there is no need of heating substrates when said alloy films are intended to be formed on the substrates. Accordingly, these alloy films can be formed even on such substrates composed of organic materials such as plastics. Moreover, magnetooptical recording media which comprise the alloy films in accordance with the present invention have excellent magnetic properties such as perpendicular magnetic, anisotropic energy in direction normal to the film, coercive force and saturation magnetization, particularly in point of coercive force.

Abstract: In accordance with the present invention, there are provided information recording media having a substrate and thereon a recording layer and a metallic layer, wherein the metallic layer is composed of an aluminum alloy containing (i) titanium and (ii) at least one metal selected from among chromium, niobium and magnesium. The information recording media thus provided are excellent in corrosion resistance and small in dependence of the recording power on linear velocity.

Abstract: In accordance with the present invention, there are provided information recording media having a substrate and thereon a recording layer, and a metallic layer composed of an aluminum alloy containing at least hafnium. The information recording media provided are excellent in corrosion resistance and also small in dependence of the recording power on linear velocity.

Abstract: A thin film of an amorphous alloy comprising (i) at least one element selected from Fe and Co, (ii) at least one element selected from Pt and Pd and (iii) at least one element selected from (a) 3d transition elements other than Fe and Co, (b) 4d transition elements other than Pd, (c) 5d transition elements other than Pt, (d) light rare earth elements, (e) Group III B elements, (f) Group IV B elements, (g) Group V B elements, and (h) Group VI B elements, and the film having an easy axis of magnetization perpendicular to the film face. The thin film has excellent magnetooptical characteristics including increased coercive force and large Kerr-rotation angle and Faraday-rotation angle, and is excellent in resistance to oxidation and in consequence the coercive force and Kerr-angle of the film do not substantially change with time. The film has a high reflectance as well.