Patent application number | Description | Published |
20110192281 | POLYMER BLENDS AND CARBONIZED POLYMER BLENDS - A composition includes a first polymer having monomers each containing an imidazole group, and a second polymer, the first and second polymers being a polymer blend. The first polymer, the second polymer, or both may be cross-linked. The carbonized composition, polymeric and carbon membranes (either in the form of a flat sheet or a hollow fiber) made from the composition are also described. The polymeric and carbon membranes can be used to separate and purify gases or liquids | 08-11-2011 |
20110266223 | DUAL-LAYER HOLLOW FIBERS WITH ENHANCED FLUX AS FORWARD OSMOSIS MEMBRANES FOR WATER REUSES AND PROTEIN ENRICHMENT - A hollow fiber includes a lumen, a polymeric membrane defining the lumen, and a porous tubular substrate, a circumferential surface of which is in contact with a circumferential surface of the polymeric membrane. The polymeric membrane includes a first polymer having monomers each containing an imidazole group. The hollow fiber can be used for water reclamation and protein enrichment | 11-03-2011 |
20110277631 | METHOD FOR MODIFYING A POLYIMIDE MEMBRANE - There is provided a method for modifying a polyimide membrane comprising the step of exposing the polyimide membrane to a surface modification compound in a vapour phase, said surface modification compound having at least one amine group, to thereby modify the polyimide membrane. | 11-17-2011 |
20110311745 | CHEMICALLY-MODIFIED POLYBENZIMIDAZOLE MEMBRANOUS TUBES - This invention relates to a chemically-modified polybenzimidazole porous tube. The tube has an outer diameter of 100-1000 microns, a wall thickness of 20-100 microns, and a pore size of 0.1-0.5 nm. | 12-22-2011 |
20120285882 | MEMBRANE AND METHOD FOR PRODUCING THE SAME - The present disclosure relates to a membrane comprising a porous polymer body with a plurality of channels extending through the polymer body, a method of producing the same and a water treatment system comprising the membrane. | 11-15-2012 |
20130046057 | POLYIMIDE MEMBRANES AND THEIR PREPARATION - Disclosed are (1) a method of preparing a polyimide membrane, including cross-linking polyimides via thermal labile side chains and decomposition of the thermal labile side chains; and (2) polyimide membranes thus prepared. | 02-21-2013 |
20130305920 | Preparation of Zeolitic Imidazolate Frameworks (ZIFs) - Polybenzimidazole Mixed-Matrix Composite and Application for Gas and Vapor Separation - The present invention presents a mixed-matrix composite material comprising a continuous phase and zeolitic imidazolate framework (ZIF) particles dispersed in the continuous phase, wherein the continuous phase is polybenzimidazole (PBI), methods for making the mixed-matrix composite material, and methods for separating gas or vapor from a mixture of gases or vapors using the mixed-matrix composite material. | 11-21-2013 |
20130313185 | FORWARD OSMOSIS MEMBRANE AND METHOD OF MANUFACTURE - A forward osmosis membrane ( | 11-28-2013 |