The present disclosure relates to a hemodialysis membrane for the treatment of vascular calcification in hemodialysis patients, especially in chronic hemodialysis patients. The present disclosure further relates to methods of treating vascular calcification in hemodialysis patients, wherein the hemodialysis membrane is characterized in that it comprises at least one hydrophobic polymer and at least one hydrophilic polymer and in that it has a MWRO of between 15 and 20 kD and a MWCO of between 170-320 kD or that the hemodialysis membrane comprises at least one hydrophobic polymer and at least one hydrophilic polymer and has a MWRO of between 8.5 kD and 14.0 kD and a MWCO of between 55 kD and 130 kD.

The present disclosure relates to a nanofiltration membrane and a method of manufacturing a nanofiltration membrane. The method includes providing a support structure having a first mesoporous layer made of TiO.sub.2 and/or ZrO.sub.2 and a second porous layer adjacent to the mesoporous layer made of aluminum oxide. The method further includes grafting an anchoring group within pores of the first mesoporous layer, wherein the second layer is inert to the grafting step. An initiator for a surface-initiated atom transfer radical polymerization (SI-ATRP) reaction is covalently bonded to the anchoring group. The support structure is impregnated with a monomer and a solvent, and a polymerization reaction is performed, which includes passing a catalyst through the mesoporous layer, the monomer being configured to start the polymerization reaction by grafting from the initiator in the presence of the catalyst.

A polymer composite membrane, a method for fabricating same, and a lithium-ion battery including same are provided. The polymer composite membrane includes a porous base membrane and a heat-resistant layer covering at least one side surface of the porous base membrane, the heat-resistant layer includes a plurality of heat-resistant sub-layers sequentially stacked, and pore-blocking temperatures of the heat-resistant sub-layers are sequentially increased from inside to outside; each of the heat-resistant sub-layers includes at least one of a first heat-resistant polymer material and a second heat-resistant polymer material, and each of the heat-resistant sub-layers is separately configured as a fiber network structure; the melting point of the first heat-resistant polymer material is not less than 200° C.; and the melting point of the second heat-resistant polymer material is not less than 100° C.

A polymer composite membrane, a method for fabricating same, and a lithium-ion battery including same are provided. The polymer composite membrane includes a porous base membrane and a heat-resistant layer covering at least one side surface of the porous base membrane, the heat-resistant layer includes a plurality of heat-resistant sub-layers sequentially stacked, and pore-blocking temperatures of the heat-resistant sub-layers are sequentially increased from inside to outside; each of the heat-resistant sub-layers includes at least one of a first heat-resistant polymer material and a second heat-resistant polymer material, and each of the heat-resistant sub-layers is separately configured as a fiber network structure; the melting point of the first heat-resistant polymer material is not less than 200° C.; and the melting point of the second heat-resistant polymer material is not less than 100° C.

Described herein is a crosslinked graphene and biopolymer (e.g. lignin) based composite membrane that provides selective resistance for solutes while providing water permeability. The membrane may include optional additional functional additives in a crosslinked material matrix that provides enhanced salt separation from water. Methods for making such membranes, and methods of using the membranes for dehydrating or removing solutes from water are also described.

Described herein is a graphene oxide and polymer based selectively permeable element that provides selective gas, and vapor resistance for dehumidification applications. The graphene oxide is cross-linked with polyvinyl alcohol, the polymer comprises an ammonium salt polymer such as poly(diallyldimethylammonium) chloride. Also described is a selectively permeable element where the graphene may be selected from reduced graphene oxide, graphene oxide, and is also functionalized or crosslinked. Also described is a selectively permeable element where there is crosslinking between the graphene and/or the polymers to provide enhanced gas resistance with water vapor permeability. A selectively permeable device is also described that incorporates the selectively permeable element and further comprises a substrate and a protective coating, encompassing the selectively permeable element. Also described are methods for making the aforementioned selectively permeable elements and related devices.

Described herein are filtration membranes and related, compositions, methods and systems and in particular filtration membranes with embedded polymeric micro/nanoparticles and related compositions, methods, and systems.

The present disclosure relates to synthetic membranes for the removal, isolation or purification of substances from a liquid, comprising at least one hydrophobic and at least one hydrophilic polymer, wherein 5-40 wt.-% of particles having an average particles size of between 0.1 and 15 μm are entrapped and wherein the membrane has a wall thickness of below 150 μm. Further disclosed are methods for preparing such membranes in various geometries and their use for the adsorption, isolation and/or purification of substances from a liquid.

The invention proceeds from a filter device which is provided for stabilising a liquid, having at least one filter unit, a membrane filter unit, which has at least one filter element and at least one integrated stabiliser.

It is proposed that the filter unit has at least one further integrated stabiliser.

It is proposed in a further aspect of the invention that the filter device comprises at least one first precursor which is provided for forming the filter element at least partially, and the same first precursor is provided for forming the stabiliser at least partially.

The present invention pertains to a membrane for an electrochemical device, to a process for manufacturing said membrane and to use of said membrane in a process for manufacturing an electrochemical device.