Abstract: A modified solid polyalkylaluminoxane is provided, which is capable of providing ?-olefin suppressing adhesion of any polymer produced as a by-product onto the reactor wall and the stirrer, and which is capable of providing a highly active olefin oligomerization reaction catalyst. An olefin oligomerization reaction catalyst containing the modified solid polyalkylaluminoxane is also provided. The modified solid polyalkylaluminoxane for olefin oligomerization reactions contains structural units represented by general formula (a) and structural units represented by general formula (b), whose median diameter is equal to or larger than 0.1 ?m and equal to or smaller than 50 ?m, in which R? in the general formula (a) represents an alkyl group having 1 to 20 carbon atoms, and R? in the general formula (b) represents a halogenated alkoxy group having 1 to 20 carbon atoms or a halogenated aryloxy group having 6 to 20 carbon atoms.

Abstract: A modified solid polyalkylaluminoxane is provided, which is capable of providing ?-olefin suppressing adhesion of any polymer produced as a by-product onto the reactor wall and the stirrer, and which is capable of providing a highly active olefin oligomerization reaction catalyst. An olefin oligomerization reaction catalyst containing the modified solid polyalkylaluminoxane is also provided. The modified solid polyalkylaluminoxane for olefin oligomerization reactions contains structural units represented by general formula (a) and structural units represented by general formula (b), whose median diameter is equal to or larger than 0.1 ?m and equal to or smaller than 50 ?m, in which R? in the general formula (a) represents an alkyl group having 1 to 20 carbon atoms, and R? in the general formula (b) represents a halogenated alkoxy group having 1 to 20 carbon atoms or a halogenated aryloxy group having 6 to 20 carbon atoms.

Abstract: A resin composition, comprising (a) 50 to 99% by weight of a crystalline polypropylene resin, and (b) 1 to 50% by weight of a propylene copolymer comprising 50 to 85% by mol of a propylene unit and 15 to 50% by mol of a C8-12 ?-olefin unit, the propylene copolymer having (1) no meting point in a range of ?100 to 200° C., or a melting point of 50° C. or lower in that temperature range, (2) an isotactic selectivity of 90% or higher, (3) a molecular weight distribution of 3 or smaller, and (4) an intrinsic viscosity of 0.1 to 10 dl/g.

Abstract: A transition metal complex represented by formula [1], and its production process; a substituent-carrying fluorene compound represented by formula [2], and its production process; an olefin polymerization catalyst component comprising the complex; an olefin polymerization catalyst obtained by contacting the catalyst component with a defined aluminum compound and/or a defined boron compound; and a production process of an olefin polymer using the catalyst:

Abstract: An emulsion comprising the following (A), (B) and (C): (A) an olefinic copolymer comprising a structural unit derived from ethylene and/or a linear ?-olefin and a structural unit derived from a vinyl compound represented by the formula (I): CH2?CH—R??(I) wherein R represents a secondary alkyl group, a tertiary alkyl group or a alicyclic hydrocarbon group, or a polymer obtained by graft polymerizing an ?,?-unsaturated carboxylic acid anhydride to the olefinic copolymer, (B) an acrylic resin comprising a structural unit derived from an ?,?-unsaturated carboxylic acid and a structural unit derived from an ?,?-unsaturated carboxylic acid ester, (C) water.

Abstract: A resin composition, comprising (a) 50 to 99% by weight of a crystalline polypropylene resin, and (b) 1 to 50% by weight of a propylene copolymer comprising 50 to 85% by mol of a propylene unit and 15 to 50% by mol of a C8-12 ?-olefin unit, the propylene copolymer having (1) no meting point in a range of ?100 to 200° C., or a melting point of 50° C. or lower in that temperature range, (2) an isotactic selectivity of 90% or higher, (3) a molecular weight distribution of 3 or smaller, and (4) an intrinsic viscosity of 0.1 to 10 dl/g.

Abstract: A transition metal complex represented by the general formula [1]; a catalyst component for olefin polymerization comprising said transition metal complex; a catalyst for olefin polymerization using said transition metal complex as a catalyst component for olefin polymerization; a process for producing an olefin polymer comprising the step of polymerizing an olefin in the presence of said catalyst for olefin polymerization; a substituent-carrying fluorene compound; a process for producing said substituent-carrying fluorene compound; and a process for producing said transition metal complex using said substituent-carrying fluorene compound: wherein M is the group 4 transition metal atom in the periodic table of elements; A is the group 16 atom therein; J is the group 14 atom therein; R1, R2, R3, R4, R5, R6, X1 and X2 are independently of one another (1) a substituent selected from the group consisting of (1-1) an alkyl group having 1 to 20 carbon atoms, which may be substituted by a halogen atom, (1-2) an