Abstract: The invention provides a process for producing an olefin polymerisation catalyst, comprising suspending a porous particulate support material in a liquid/liquid two phase system, which comprises a solution of one or more catalyst components and an inert solvent immiscible therewith, to impregnate said solution into the pores of said support material, wherein the active transition metal concentration in the support is from 0.001 to 10% by weight of the dry catalyst system.

Abstract: A polymer composition having (i) 0.01 to 50% wt (e.g. 0.05 to 15% wt) of a propylene polymer with a polymeric nucleating agent is disclosed. Preferably, the agent contains vinyl compound units and (ii) a heterophasic propylene polymer which includes less (or no) polymeric nucleating agent than the propylene polymer in (i).

Abstract: A film with a broad molecular weight distribution, excellent impact strength and a high dart drop value or moderate dart drop value accompanied by good optical property consisting of a bimodal terpolymer comprising a low molecular weight homopolymer of ethylene and a high molecular weight terpolymer of ethylene, 1-butene and a C6 to C12 alpha-olefin, or a bimodal terpolymer comprising a low mo-lecular weight polymer which is a binary copolymer of ethylene and a C4 to C12 alpha-olefin and a high molecular weight polymer which is either a binary copolymer of ethylene and 1-butene, if the low molecular weight polymer is a binary co-polymer of ethylene and a C6 to C12 alpha-olefin, or a terpolymer of ethylene, 1 -butene and a C6 to C12 alpha-olefin.

Abstract: A shrink film comprising a polyethylene film of thickness 5 to 500 ?m, wherein the polyethylene comprises an ethylene homopolymer-copolymer mixture having a molecular weight distribution in the range of 5 to 40, and a weight average molecular weight of at least 100 kD.

Abstract: The invention relates to novel multimodal polyethylene polymers comprising a low molecular weight fraction and a high molecular weight fraction, and having a MFR5 of greater than 0.10 g/10 min and less than or equal to 0.22 g/10 min, and a density of greater than equal to 952 kg/m3. The invention also relates to uses of the novel polymers in the production of polymeric articles, especially pipes.

Abstract: A shrink film comprising a polyethylene film, characterized in that said polyethylene is an ethylene copolymer mixture having a molecular weight distribution in the range 10 to 35, a density of 915 to 940 kg/m3, a weight average molecular weight of at least 100000 D and an MFR2.16 (190° C.) of 0.1 to 0.9 kg/m3, which copolymer mixture is produced by a two or more stage copolymerization of ethylene and 2 to 10% mole (relative to ethylene) of a C3-12 alpha-olefin comonomer in a series of reactors including at least one slurry loop reactor and at least one gas phase reactor using a heterogeneous Ziegler-Natta catalyst.

Abstract: The invention relates to propylene polymer compositions comprising 45-79 parts per weight of a propylene homo- or copolymer, 10-27 parts per weight of a first elastomeric ethylenepropylene copolymer, 5-22 parts per weight of a second elastomeric ethylene-propylene copolymer, 1-15 parts per weight of an elastomeric ethylene-1-octene copolymer and 5-15 parts per weight of inorganic filler. The propylene polymer compositions are suitable for injection molding of large articles, which do not show flow marks and which have a good impact strength/stiffness ratio.

Abstract: The present invention relates to a crosslinkable polymer composition, comprising (i) an unsaturated polyolefin having a total amount of carbon-carbon double bonds/1000 carbon atoms of more than 0.

Abstract: The present invention relates to a crosslinkable polymer composition which is useful for the preparation of semiconductive layers of electric cables, the polymer composition comprising (a) an unsaturated polyolefm having at least 0.15 vinyl groups/1000 carbon atoms and (b) carbon black.

Abstract: The present invention concerns a polypropylene composition comprising a nucleated propylene homopolymer having improved optical properties.

Abstract: This invention relates to a process for the preparation of an olefin polymerisation catalyst, to the use of the catalyst in olefin polymerisation and to the catalyst and polymers obtained. In particular, the invention relates to the preparation of a catalyst comprising an organometallic compound of a transition metal of Group 3 to 10 of the Periodic Table (IUPAC) by a semi-continuous or continuous process.

Abstract: The invention refers to polypropylene blown films which are characterised by excellent optical and mechanical properties. The polypropylene composition used for the films contains nucleating agents.

Abstract: A polymer composition suitable for rotomoulding comprising I) An ethylene homopolymer or copolymer with at least one other C3-10 a olefin, having a melt flow rate of 0.5 to 30, a molecular weight distribution (Mw/Mn) of less than 4, an Mw of 50,000 to 110,000, a density of 0.940 g/cm3 to 0.970 g/cm3 and a melting point of 100 to 145° C.; or I) a propylene homopolymer or copolymer with at least one other C2-10 ? olefin, having a melt flow rate of 0.5 to 30, a molecular weight distribution (Mw/Mn) of less than 4, an Mw of 150,000 to 300,000, and a melting point of 100 to 170° C.; and II) an ethylene homo or copolymer with at least one other C3-10 ?-olefin, having a melt flow rate of within 40% of the melt flow rate of component (I), a molecular weight distribution of (Mw/Mn) of less than 4, an Mw of within 30% of the Mw of component (I), a density of 0.880 g/cm3 to 0.940 g/cm3 said density being at least 0.010 g/cm3 less than the density of component (I) and a melting point of at least 5+ C.

Abstract: The present invention relates to a polymer composition with good chemical properties and barrier properties being multimodal and comprising a polymer (A) having a weight average molecular weight of lower than 6000 g/mol and a polyolefine (B) having a higher weight average molecular weight than polymer (A) and a filler (C), whereby a polymer composition without filter (C) has a density of 940 kg/m3 or lower.

Abstract: An injection molded article formed from a polypropylene polymer and having an in mold label located inside the article is disclosed. The article may contain a product such as a product that contains an organic solvent.

Abstract: The present invention relates to a blown film made of a composition comprising a) a propylene heterophasic copolymer (A) with a matrix propylene polymer and an ethylene-propylene-rubber characterized in that the film has been monoaxially oriented in the machine direction with a stretch ratio of 1:1.1 to 1:10, to a process for making such a film, to the use of said composition in making such a film, and to an article comprising such a film.

Abstract: The present invention relates to a process for preparing a propylene random copolymer comprising polymerisation of propylene with a comonomer, said comonomer being ethylene or an ?-olefin comprising at least four carbon atoms, in the presence of a catalyst in a muiltistage process comprising polymerisation of propylene with a comonomer in a first reaction zone including at least one slurry reactor to give a first polymerisation product, transferring said first product to a second reaction zone including at least one gas phase reactor and polymerisations of propylene with a comonomer in said gas phase reactor in the presence of said first polymerisation product, wherein the temperature in the gas phase reactor is at least 10° C. higher than in the slurry reactor and to a polymer obtainable by this process.

Abstract: The invention relates to a polymer composition, comprising (a) a polyolefin base resin which comprises at least (a1) a first olefin homo- or copolymer fraction, and (a2) a second olefin homo- or copolymer fraction, wherein the weight average molecular weight of the first fraction is lower than the weight average molecular weight of the second fraction, and (b) at least one additive selected from a polar copolymer; a low density polyethylene; an ether and/or ester group containing additive selected from the group consisting of polyethylene glycol, a glycerol ester compound, polypropylene glycol, an amido group containing fatty acid ester, ethoxylated and/or propoxylated pentaerythritol, an alpha-tocopherol ester, an ethoxylated and/or propoxylated fatty acid, and derivatives thereof; or mixtures of these additives.

Abstract: This invention relates to a process for the production of a polymer film or fibre wherein a polymer composition comprising a propylene homo- or copolymer is formed into a film or fibre, and wherein said propylene homo or copolymer is produced in a process which comprises the polymerization of propylene monomers or propylene monomers and one or more types of comonomers in the presence of a high yield Ziegler-Natta olefin polymerization catalyst, which catalyst comprises a component in the form of particles having a predetermined size range which has been produced in a process comprising: a) preparing a solution of a complex of a Group 2 metal and an electron donor by reacting a compound of said material with said electron donor or a precursor thereof in an organic liquid reaction medium, b) reacting said complex in solution with a compound of a transition metal to procedure an emulsion the dispersed phase of which containing more than 50 mol % of the Group 2 metal in said complex, c) maintaining the particles

Abstract: A multilayer film containing at least three layers, two outer layers and a core layer, each outer layer independently having at least 50% wt of a single site catalyst produced LLDPE component having a density of less than 940 kg/m3 and preferably an LDPE component and the core layer containing a polypropylene component and a single site produced LLDPE component having a density of less than 940 kg/m3.