Patent classifications
C08F2500/30
CABLE JACKET
The present invention relates to a cable jacket comprising a random heterophasic propylene copolymer, wherein said copolymer comprises a matrix (M) being a random propylene copolymer (R-PP) and dispersed therein an elastomeric propylene copolymer (E), wherein the random propylene copolymer (R-PP) has a melt flow rate MFR2 (230° C./2.16 kg) of 0.1 to 10.0 g/10 min and wherein the elastomeric propylene copolymer (E) has a comonomer content in the range of 40.0 to 55.0 mol %, and wherein said copolymer has MFR2 (230° C.) in the range of from 0.5 to 15 g/10 min, flexural modulus below 400 MPa, and relaxation spectrum index (RSI) at 200° C. below 20.0. The present invention further relates to a telecommunication cable comprising said jacket.
TERPOLYMERS FOR CAPS AND CLOSURES
Polymer compositions may comprise propylene, present in a range of 80 to 95 wt % of the polymer composition, and two comonomers selected from a group comprising ethylene and C4-C10 alpha olefins, wherein the polymer composition has a total content of the comonomers in the range of 5 to 20 wt % of the polymer composition. Cap liners may be formed from the polymer compositions. Caps may comprise a closure formed from polypropylene and a polypropylene-based cap liner that lines at least a portion of the closure.
POLYETHYLENE COMPOSITION
The invention is related to a polyethylene composition comprising an ethylene polymer having a density in the range from ≥950 kg/m3 to ≤958 kg/m3, determined according to ISO 1183-1:2004, a melt flow rate MFR 5 (190° C., 5 kg) in the range from ≥0.16 g/10 min to ≥0.26 g/10 min, determined according to ISO 1133:1997, a melt flow ratio FRR (190° C., 21.6/5 kg) in the range from ≥22 to ≤40, a complex viscosity at 100 rad/s and 190° C. (eta100) of at least 2500 Pa.Math.s and a complex viscosity at 0.01 rad/s and 190° C. (eta0.01) of at least 250000 Pa.Math.s.
POLYETHYLENE COMPOSITION
The invention is related to a polyethylene composition comprising an ethylene polymer having a density in the range from ≥950 kg/m3 to ≤958 kg/m3, determined according to ISO 1183-1:2004, a melt flow rate MFR 5 (190° C., 5 kg) in the range from ≥0.16 g/10 min to ≥0.26 g/10 min, determined according to ISO 1133:1997, a melt flow ratio FRR (190° C., 21.6/5 kg) in the range from ≥22 to ≤40, a complex viscosity at 100 rad/s and 190° C. (eta100) of at least 2500 Pa.Math.s and a complex viscosity at 0.01 rad/s and 190° C. (eta0.01) of at least 250000 Pa.Math.s.
Jacket with improved properties
The present invention relates to a multimodal ethylene copolymer composition having a density of 920 to 949 kg/m.sup.3 and a flexural modulus, wherein said flexural modulus is following the equation: Flexural modulus [MPa]<21.35.Math.density [kg/m3]−19585 [1]. The multimodal ethylene copolymer composition according to the invention can be used in a highly flexible cable jacket, preferably a power cable jacket.
POLYPROPYLENE COMPOSITION FOR THE PRODUCTION OF HIGH PRESSURE PIPES
The present invention is directed to a polypropylene composition (C) applicable for the production of pressure pipes, said composition comprising a propylene random copolymer (rPP) and an impact modifier being a polyethylene (PE), as well as an article comprising said composition.
POLYPROPYLENE COMPOSITION FOR THE PRODUCTION OF HIGH PRESSURE PIPES
The present invention is directed to a polypropylene composition (C) applicable for the production of pressure pipes, said composition comprising a propylene random copolymer (rPP) and an impact modifier being a polyethylene (PE), as well as an article comprising said composition.
POLYOLEFIN COMPOSITION WITH IMPROVED SURFACE APPEARANCE
The present invention is directed to a heterophasic polypropylene composition (HECO1) and the use thereof to reduce the amount of flow marks of an injection moulded polyolefin composition. Further, the present invention is directed to a polyolefinn composition (C) comprising a polyolefin (PO), said heterophasic polypropylene composition (HECOl) and optionally a filler as well as an article comprising said polyolefin composition (C).
POLYOLEFIN COMPOSITION WITH IMPROVED SURFACE APPEARANCE
The present invention is directed to a heterophasic polypropylene composition (HECO1) and the use thereof to reduce the amount of flow marks of an injection moulded polyolefin composition. Further, the present invention is directed to a polyolefinn composition (C) comprising a polyolefin (PO), said heterophasic polypropylene composition (HECOl) and optionally a filler as well as an article comprising said polyolefin composition (C).
Olefin-Based Copolymer and Method for Preparing the Same
An olefin-based copolymer and a method of making the same are disclosed herein. In some embodiments, an olefin-based copolymer has a density (d) of 0.85 to 0.89 g/cc, a melt index (MI), measured at 190° C. and 2.16 kg load, of 15 g/10 min to 100 g/10 min, a number of unsaturated functional groups (total V) per 1,000 carbon atoms of 0.8 or less, a vinylene content, and a vinyl content, wherein the vinylene content, the vinyl content and the total V satisfy (a) vinylene content/total V=0.1 to 0.7 and (b) vinylene content/vinyl content=0.8 to 1.6. The olefin-based copolymer has controlled content and kind of an unsaturated functional group in the olefin-based copolymer and thus, has high flowability, and may show improved physical properties of hardness, flexural strength and tensile strength.