Abstract: A hearing aid system (200) with improved adaptive feedback suppression based on de-correlation and a method (300) of operating such a hearing aid system.

Abstract: Use of talc as a nucleating agent for linear low density polyethylene formed from ethylene and at least one C4-10 alpha-olefin comonomer, said polyethylene having a density below 940 g/cm3.

Abstract: A process for producing bimodal linear low-density polyethylene polymer compositions, useful for making films. The polymer compositions have a melt flow rate MFR2 of 0.4 to 1.0 g/10 min and a density of 918 to 925 kn/m3. The process to produce the polymer compositions involves copolymerising ethylene with an alpha-olefin comonomer in a loop reactor to produce a low molecular weight polymer having a melt flow rate MFR2 of 50 to 500 g/10 min and a density of 945 to 953 kg/m3. The polymerisation is continued in a gas phase reactor to produce a high molecular weight polymer, such that the final polymer composition has the desired properties. The final composition contains from 41 to 48% by weight of the low molecular weight polymer and from 59 to 52% by weight of the high molecular weight polymer. The resulting films have an excellent visual appearance and good mechanical properties. The compositions can easily be converted to films. The process can be operated a long time without a shutdown.

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: A composition for preparing breathable films. The composition comprises a bimodal polyethylene composition, a particulate filler, and, optionally, an olefin-based polymer. The bimodial polyethylene composition has a melt flow rate MFR2 of 0.1 to 4 g/10 min. and a density of 918 to 935 kg/m3. The olefin-based polymer can be, e.g., polypropylene. The films prepared from the composition have a very high water vapour transmission rate, exceeding 3000 g/m2/24 hours.

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.