Abstract: The present invention relates to a polyethylene composition comprising a base resin which comprises (A) a first ethylene homo- or copolymer fraction, and (B) a second ethylene-hexene-1 copolymer fraction, wherein fraction (A) has a lower molecular weight than fraction (B) and wherein fraction (B) is present in an amount of from 51.0 to 58.5 wt. %, preferably 52.0 to 57.5 wt. %, more preferably 53.0 to 57.0 wt. % based on the total weight of the base resin, wherein fraction (B) of the base resin has a content of units derived from hexene-1 from 0.80 to 1.45 mol %, preferably of from 0.82 to 1.35 mol % and more preferably of from 0.85 to 1.30 mol %, wherein the base resin has a number average molecular weight Mn of 8,500 g/mol or higher, and wherein the polyethylene composition has a melt flow rate MFRs from 0.10 to 0.30 g/10 min, preferably from 0.15 to 0.28, and still more preferably from 0.16 to 0.

Abstract: The present invention provides a process for producing a polyethylene composition by treating a cross-linkable ethylene copolymer containing monomer units with hydrolysable silane-groups and polar monomer units. The invention further provides a treated cross-linkable polyethylene composition 5 obtained by the process and a silane-crosslinked polyethylene composition obtained by the process. The invention further provides articles comprising the treated cross-linkable polyethylene composition or comprising the silane-crosslinked polyethylene composition.

Abstract: The present invention relates to a pipe which comprises (i) a peroxide-crosslinked polyethylene, and (ii) a sterically hindered amine which comprises the following repeating unit of formula (I).

Abstract: Composition comprising a heterophasic propylene copolymer with low melt flow rate and rather low amount of xylene cold solubles and a recycled polymer composition being rich in polypropylene.

Abstract: The invention is related to a process for producing modified polyethylene having decreased melt flow rate (5 kg, 190° C.) (MFR). In particular, the present invention is directed to a process in a controlled manner for producing modified polyethylene recyclates having low MFR and low gel content directly by reactive extrusion processing.

Abstract: The invention is related to a pipe produced by a reactive modification of a recycled polyethylene in the presence of a free radical generator. Further, the present invention is also directed to a process in a controlled manner for producing pipes from modified polyethylene recyclates having broader MFR range.

Abstract: The invention is related to a process for producing modified polyethylene having decreased melt flow rate (5 kg, 190° C.) (MFR). In particular, the present invention is directed to a process in a controlled manner for producing modified polyethylene recyclates having low MFR and low gel content directly by reactive extrusion processing.

Abstract: The invention is related to a polyethylene composition characterized in that it comprises a base resin and an inorganic mineral filler which is present in the composition in an amount of 1 to 50 wt % in respect to the weight of composition, wherein said base resin comprises: a) a first crosslinked polyethylene (PEX) having a gel content (measured according to ASTM D 2765:2006) in the range of 5% to 80% in respect to the weight of crosslinked polyethylene (PEX), said crosslinked polyethylene (PEX) being obtained from recycled wastes and b) a second polyethylene (PE) selected from virgin polyethylene and recycled polyethylene, or mixtures thereof. The invention is further related to a process for production of said polyethylene composition, and use of the polyethylene composition.

Abstract: The invention is related to a polyethylene composition characterized in that it comprises a base resin and an inorganic mineral filler which is present in the composition in an amount of 1 to 50 wt % in respect to the weight of composition, wherein said base resin comprises: a) a first crosslinked polyethylene (PEX) having a gel content (measured according to ASTM D 2765:2006) in the range of 5% to 80% in respect to the weight of crosslinked polyethylene (PEX), said crosslinked polyethylene (PEX) being obtained from recycled wastes and b) a second polyethylene (PE) selected from virgin polyethylene and recycled polyethylene, or mixtures thereof. The invention is further related to a process for production of said polyethylene composition, and use of the polyethylene composition.

Abstract: Polypropylene composition comprising: a propylene homopolymer (A), a platelet-like inorganic filler (B) having optionally ?-nucleating activity and a ?-nucleating agent (C), wherein the propylene composition and/or the propylene homopolymer has (have) a polydispersity index (PI) of at least 4.0.

Abstract: The present invention concerns a propylene copolymer composition, a molded article comprising the composition and the use of the propylene copolymer composition for preparing molded articles, preferably pipes.

Abstract: Heterophasic propylene copolymer (HECO) comprising wherein the heterophasic propylene copolymer (HECO) is ?-nucleated and the elastomeric phase has an intrinsic viscosity measured in tetraline at 135° C. of equal or below 4.0 dl/g.

Abstract: The present invention relates to a heterophasic polymer composition which comprises (i) a matrix comprising a propylene homopolymer and/or a propylene copolymer having an amount of comonomer units of less than 1.0 wt %, and (ii) an elastomeric polypropylene which is dispersed within the matrix and comprises comonomer units derived from ethylene and/or a C4 to C12 alpha-olefin; and wherein the heterophasic polymer composition has an amorphous fraction AM in an amount of 2.0 to 7.5 wt %, and the amorphous fraction AM has an amount of ethylene- and/or C4 to C12 alpha-olefin-derived comonomer units of 20 to 45 wt %.

Abstract: The invention relates to novel propylene polymers with improved properties especially with improved stiffness and impact strength comprising propylene homopolymers or propylene block copolymers with 90.0 to 99.9 wt % propylene and 0.1 to 10 wt % ?-olefins with 2 or 4 to 18 carbon atoms, or mixtures thereof, wherein the propylene homopolymers or propylene block copolymers are ?-nucleated propylene polymers, whereby the ?-nucleated propylene homopolymers have an Ir??0.98 and the values for tensile modulus and Charpy impact strength as specified herein. The ?-nucleated propylene block copolymers are polymers having an IR? of the propylene homopolymer block of ?0.98 and the values for tensile modulus and Charpy impact strength as also specified herein. The propylene polymers with an improved property spectrum are suitable for producing molded parts in a pipe system, such as pipes and fittings, inspection chambers, pipe ducting systems, extrusion or compression molded sheets and the like.

Abstract: The invention relates to a colored ?-nucleated polypropylene composition having a high content of ?-modification, wherein the polypropylene composition comprises at least one ?-nucleating agent and an inorganic blue pigment and an inorganic yellow pigment.

Abstract: The invention relates to novel propylene polymers with improved properties especially with improved stiffness and impact strength comprising propylene homopolymers or propylene block copolymers with 90.0 to 99.9 wt % propylene and 0.1 to 10 wt % ?-olefins with 2 or 4 to 18 carbon atoms, or mixtures thereof, wherein the propylene homopolymers or propylene block copolymers are ?-nucleated propylene polymers, whereby the ?-nucleated propylene homopolymers have an Ir??0.98 and the values for tensile modulus and Charpy impact strength as specified herein. The ?-nucleated propylene block copolymers are polymers having an IR? of the propylene homopolymer block of ?0.98 and the values for tensile modulus and Charpy impact strength as also specified herein. The propylene polymers with an improved property spectrum are suitable for producing molded parts in a pipe system, such as pipes and fittings, inspection chambers, pipe ducting systems, extrusion or compression molded sheets and the like.

Abstract: The invention relates to a novel process for producing coloured polypropylene compositions having a high content of ?-modification, wherein polypropylene is melt blended with at least one inorganic pigment and at least one ?-nucleating agent, wherein a1) polypropylene is melt blended with at least one inorganic pigment or with a first concentrate comprising the at least one inorganic pigment to obtain a coloured polypropylene and a2) the coloured polypropylene is melt blended with at least one ?-nucleating agent or with a second concentrate comprising the at least one ?-nucleating agent to obtain the coloured ?-nucleated polypropylene composition or b1) polypropylene is melt blended with at least one ?-nucleating agent or with a second concentrate comprising the at least one ?-nucleating agent to obtain a ?-nucleated polypropylene and b2) the ?-nucleated polypropylene is melt blended with at least one inorganic pigment or with a first concentrate comprising the at least one inorganic pigment to obtain the col

Abstract: Polypropylene composition comprising a propylene homopolymer (A) and a random propylene-butene copolymer (B) or a random propylene-ethylene copolymer (B?) wherein the polypropylene composition is ?-nucleated.

Abstract: Polypropylene composition comprising: a propylene homopolymer (A), a platelet-like inorganic filler (B) having optionally ?-nucleating activity and a ?-nucleating agent (C), wherein the propylene composition and/or the propylene homopolymer has (have) a polydispersity index (PI) of at least 4.0.

Abstract: The present invention relates to a heterophasic polymer composition which comprises (i) a matrix comprising a propylene homopolymer and/or a propylene copolymer having an amount of comonomer units of less than 1.0 wt %, and (ii) an elastomeric polypropylene which is dispersed within the matrix and comprises comonomer units derived from ethylene and/or a C4 to C12 alpha-olefin; and wherein the heterophasic polymer composition has an amorphous fraction AM in an amount of 2.0 to 7.5 wt %, and the amorphous fraction AM has an amount of ethylene- and/or C4 to C12 alpha-olefin-derived comonomer units of 20 to 45 wt %.