Abstract: The present invention provides a process for preparation of a solid titanium catalyst component for use as pro-catalyst for a Ziegler-Natta catalyst system. The solid titanium catalyst component comprises a combination of 15 to 20 wt % of a magnesium moiety, 1.0 to 6.0 wt % of a titanium moiety and 5.0 to 20 wt % of an internal donor, said solid titanium catalyst component has an average particle size in the range of 1 to 100 ?m, characterized by a three point particle size distribution of D10 in the range of 1 to 10 ?m; D50 in the range of to 25 ?m and D90 in the range of 15 to 50 ?m. The present invention also provides a 15 Ziegler-Natta catalyst system comprising the solid titanium catalyst component and the method of polymerizing and/or copolymerizing olefins by using the Ziegler-Natta catalyst system.

Abstract: The present invention provides a process for preparation of a solid titanium catalyst component for use as pro-catalyst for a Ziegler-Natta catalyst system. The solid titanium catalyst component comprises a combination of 15 to 20 wt % of a magnesium moiety, 1.0 to 6.0 wt % of a titanium moiety and 5.0 to 20 wt % of an internal donor, said solid titanium catalyst component has an average particle size in the range of 1 to 100 ?m, characterized by a three point particle size distribution of D10 in the range of 1 to 10 ?m; D50 in the range of to 25 ?m and D90 in the range of 15 to 50 ?m. The present invention also provides a 15 Ziegler-Natta catalyst system comprising the solid titanium catalyst component and the method of polymerizing and/or copolymerizing olefins by using the Ziegler-Natta catalyst system.

Abstract: The present invention relates to a heterophasic polypropylene resin comprising a propylene homo- or copolymer matrix (A) and an ethylene-propylene rubber phase (B) dispersed within the matrix, wherein the heterophasic polypropylene resin has a fraction insoluble in p-xylene at 25° C. (XCU) with an intrinsic viscosity of 1.5 dl/g or less, determined according to DIN EN ISO 1628-1 and -3 and an amount of propylene monomer units of at least 95 mol %, and a fraction soluble in p-xylene at 25° C. (XCS) with an intrinsic viscosity of 1.5 to 3.0 dl/g, determined according to DIN EN ISO 1628-1 and -3, and an amount of propylene monomer units of 50 to 75 mol %, and a MFR (2.16 kg, 230° C.) of more than 100 g/10 min, determined according to ISO 1133, a heterophasic polypropylene composition comprising such a resin, a process for preparing that resin, and an article made thereof.

Abstract: The present invention relates to a heterophasic polypropylene resin comprising a polypropylene homo- or copolymer matrix phase (A) and an ethylene-propylene copolymer phase (B) dispersed within the matrix, wherein the heterophasic polypropylene resin has a fraction insoluble in p-xylene (XCU) at 25° C. with an intrinsic viscosity of 2.0 dl/g or less, determined according to DIN EN ISO 1628-1 and -3, and a fraction soluble in p-xylene (XCS) at 25° C. having an intrinsic viscosity of 2.0 to 4.5 dl/g, determined according to DIN EN ISO 1628-1 and -3, and an amount of ethylene monomer units of 60 to 85 mol %, a heterophasic polypropylene composition comprising such a resin, a process for preparing that resin, and an article made thereof.

Abstract: The application provides propylene polymer including at least 80 mol % units derived from propylene and less than 0.5 mol % units derived from a tertiary diene wherein said tertiary diene is not a 1,4-diene, said polymer including 1-50 tertiary double bonds per 10,000 carbon atoms of the main chain of said polymer. The polymer may be obtained using a Ziegler Natta catalyst. The application further provides a long chain branched propylene polymer obtainable from the afore-mentioned propylene polymer including tertiary double bonds.

Abstract: The present invention relates to a heterophasic polypropylene resin comprising a propylene homo- or copolymer matrix (A) and an ethylene-propylene rubber phase (B) dispersed within the matrix, wherein the heterophasic polypropylene resin has a fraction insoluble in p-xylene at 25° C. (XCU) with an intrinsic viscosity of 1.5 dl/g or less, determined according to DIN EN ISO 1628-1 and -3 and an amount of propylene monomer units of at least 95 mol %, and a fraction soluble in p-xylene at 25° C. (XCS) with an intrinsic viscosity of 1.5 to 3.0 dl/g, determined according to DIN EN ISO 1628-1 and -3, and an amount of propylene monomer units of 50 to 75 mol %, and a MFR (2.16 kg, 230° C.) of more than 100 g/10 min, determined according to ISO 1133, a heterophasic polypropylene composition comprising such a resin, a process for preparing that resin, and an article made thereof.

Abstract: The present invention relates to a heterophasic polypropylene resin comprising a polypropylene homo- or copolymer matrix phase (A) and an ethylene-propylene copolymer phase (B) dispersed within the matrix, wherein the heterophasic polypropylene resin has a fraction insoluble in p-xylene (XCU) at 25° C. with an intrinsic viscosity of 2.0 dl/g or less, determined according to DIN EN ISO 1628-1 and -3, and a fraction soluble in p-xylene (XCS) at 25° C. having an intrinsic viscosity of 2.0 to 4.5 dl/g, determined according to DIN EN ISO 1628-1 and -3, and an amount of ethylene monomer units of 60 to 85 mol %, a heterophasic polypropylene composition comprising such a resin, a process for preparing that resin, and an article made thereof.

Abstract: The invention relates to a process for the preparation of an olefin polymer wherein olefin polymerization is effected in a plurality of polymerization reaction stages in the presence of an olefin polymerization catalyst material, characterized in that said catalyst material comprises at least two different types of active polymerization sites.