A membrane includes a porous base membrane and a hydrophilic coating. The coating comprises a hydrophilic additive and a hydrophilic polymer derivatized with an electron beam reactive group adapted to form a radical under high energy irradiation. In some embodiments, the membrane comprises a fluoropolymer. Also disclosed are processes for forming the membrane.

A membrane includes a porous base membrane and a hydrophilic coating. The coating comprises a hydrophilic additive and a hydrophilic polymer derivatized with an electron beam reactive group adapted to form a radical under high energy irradiation. In some embodiments, the membrane comprises a fluoropolymer. Also disclosed are processes for forming the membrane.

A spiral-wound acid gas separation membrane element (1) includes a wound body which includes a laminate and a perforated core (5), the laminate being wound around the perforated core tube (5) and including: a separation membrane (2), a feed-side channel component (3), and an element constituent layer (e.g., permeate-side channel component (4)). The separation membrane (2) is provided with a sealing section (25) present at both widthwise ends of the separation membrane (2). The sealing section (25) is sealed with an adhesive. This makes it possible not only to separate acid gas from mixed gas more efficiently as compared to a conventional spiral-wound acid gas separation membrane element but also to save energy.

A poly(methyl methacrylate) (PMMA) membrane having a highly porous, reticulated, 3-D structure suitable for lateral flow diagnostic applications is described. Also described is a method for producing a poly(methyl methacrylate) (PMMA) membrane that comprises the steps of mixing a suitable amount of PMMA, a solvent and a optionally one of either a co-solvent or a non-solvent to produce a solution, casting a thin film of the solution onto a support, and removal of the solvent from the solution to produce the PMMA membrane. A lateral flow diagnostic device comprising a highly porous PMMA membrane as a reaction membrane is also described.

A poly(methyl methacrylate) (PMMA) membrane having a highly porous, reticulated, 3-D structure suitable for lateral flow diagnostic applications is described. Also described is a method for producing a poly(methyl methacrylate) (PMMA) membrane that comprises the steps of mixing a suitable amount of PMMA, a solvent and a optionally one of either a co-solvent or a non-solvent to produce a solution, casting a thin film of the solution onto a support, and removal of the solvent from the solution to produce the PMMA membrane. A lateral flow diagnostic device comprising a highly porous PMMA membrane as a reaction membrane is also described.

A polymer having a contact angle with water that is greater than or equal to 90? and a contact angle with 1,3-propane diol that is less than 90?. A pervaporation membrane comprising the polymer and a process for purifying a fermentation broth using a pervaporation membrane comprising the polymer is also described.

A polymer having a contact angle with water that is greater than or equal to 90? and a contact angle with 1,3-propane diol that is less than 90?. A pervaporation membrane comprising the polymer and a process for purifying a fermentation broth using a pervaporation membrane comprising the polymer is also described.

This application relates to a separator for a rechargeable battery. The separator includes a porous substrate and a coating layer on at least one surface of the porous substrate. The coating layer includes a binder including a fluorine-based binder and a (meth)acryl-based binder, and a filler. The fluorine-based binder includes a first structural unit derived from vinylidene fluoride and a second structural unit derived from at least one monomer of hexafluoropropylene, chlorotrifluoroethylene, trifluoroethylene, ethylene tetrafluoride, and ethylene monomers, and the second structural unit is included in an amount of 10 wt % or less with respect to the fluorine-based binder. The fluorine-based binder includes a first fluorine-based binder having a weight average molecular weight of 800,000 to 1,500,000 and a second fluorine-based binder having a weight average molecular weight of less than or equal to 600,000. The (meth)acryl-based binder has pencil hardness of 5H or higher.

A novel thermo-induced stimuli-responsive membrane for leukocyte enrichment and its application to white blood cells were disclosed. Specifically, the thermo-induced stimuli-responsive membrane for leukocyte enrichment comprises a layer coated on a porous substrate, and composition of the layer comprises at least one copolymer selected from one of group consisting of poly(acrylic acid-co-alkyl methacrylate), poly(N-alkyl acrylamide-co-alkyl methacrylate) and their mixture. In particular, the time for white blood cells recovery is within 1 hour, so as to obtain fresh and high purity white blood cells by using the novel thermo-induced stimuli-responsive membrane.

A novel thermo-induced stimuli-responsive membrane for leukocyte enrichment and its application to white blood cells were disclosed. Specifically, the thermo-induced stimuli-responsive membrane for leukocyte enrichment comprises a layer coated on a porous substrate, and composition of the layer comprises at least one copolymer selected from one of group consisting of poly(acrylic acid-co-alkyl methacrylate), poly(N-alkyl acrylamide-co-alkyl methacrylate) and their mixture. In particular, the time for white blood cells recovery is within 1 hour, so as to obtain fresh and high purity white blood cells by using the novel thermo-induced stimuli-responsive membrane.