The present disclosure relates to a method of preparing oxide and non-oxide ceramic filtration elements with a high abrasion resistance, wherein the process of manufacture allows low sinter temperatures in the presence of atmospheric oxygen, wherein the obtained non-oxide filter membrane shows typical behavior of non-oxide ceramic filtration elements.

A method of separating gas and a method of making a gas separation membrane. The method of separating gas includes flowing a gas stream through a membrane, in which the membrane comprises a crosslinked mixture of a poly(ether-b-amide) copolymer and an acrylate-terminated poly(ethylene glycol) according to formula (I) or formula (II); and separating the gas stream via the membrane. ##STR00001##
In formulas (I) and (II), each n is of from 2 to 30; and each R is independently —H or —CH.sub.3.

A method of preparing a membrane comprising the steps of: a) mixing together a membrane-forming polymer, a water-soluble polyetheramine, and a solvent, said mixture containing no component which will react chemically with the polyetheramine; and b) casting said mixture to form the polymer into a solid membrane.

The present disclosure relates to a microporous hollow fiber filter membrane having a large inner diameter and a thin wall. The fiber can be used for sterile filtration of liquids or removal of particles from liquids. The disclosure further relates to a method for producing the membrane and a filter device comprising the membrane.

An asymmetric hydrophobic polyolefin hollow fiber membrane includes a support layer and a separation layer, the separation layer including an outer surface, the outer surface including a quantity of first pores with a certain pore size; presence of the first pores facilitates an anesthetic gas such as sevoflurane and remifentanil to permeate through the hollow fiber membrane into the human blood, allowing for the patient to maintain sedated throughout a surgical process; meanwhile, the first pores facilitate reduction of dosage of the anesthetic in the surgery, thereby reducing surgical costs and avoid overdosage of the anesthetic causing secondary impairment to the patient; in addition, the hollow fiber membrane offers a long plasma permeation duration, a high tensile strength and a high elongation at break to satisfy application needs, particularly suitable for human blood oxygenation including anesthetic gas and the gas-liquid separation areas.

Described herein is a membrane for use in membrane distillation, comprising a porous polymer matrix and functionalized graphene or graphene oxide, the graphene or graphene oxide being functionalized with a polyhedral oligomeric silsesquioxane. The present membrane have improved separation performance.

Water-filtration compositions, membranes, devices, and manufacturing processes including graphene oxide with hydrophilic functional groups. Disclosed are a composition comprising graphene oxide with an average particle diameter of no more than about 1 μm and has an oxygen atomic percentage of at least about 30%, a membrane comprising the composition, a water-permeable device comprising the membrane, a method of making the membrane using the composition, and several methods of generating the composition.

A porous membrane includes a modacrylic copolymer. The modacrylic copolymer includes, with respect to 100 parts by mass of all structural units constituting the modacrylic copolymer, 15 to 85 parts by mass of a structural unit derived from acrylonitrile, 15 to 85 parts by mass of a structural unit derived from at least one halogen-containing monomer selected from the group consisting of vinyl halide and vinylidene halide, and 0 to 10 parts by mass of a structural unit derived from a vinyl monomer having an ionic substituent. The porous membrane can be produced by preparing a modacrylic copolymer solution by dissolving the modacrylic copolymer in a solvent, and bringing the modacrylic copolymer solution into contact with a non-solvent for the modacrylic copolymer such that the modacrylic copolymer solution is solidified.

The invention provides a method of producing multi-walled carbon nanotube blended polyvinylidene fluoride (MWCNTs/PVDF) membranes for membrane distillation (MD) treatment of saline water using non-solvent induced phase separation (NIPS), said method including mixing two solvents with different solubility parameters and the use of a dual coagulation bath system to control the formation of membrane pore structures and enhance surface hydrophobicity whereby blended PVDF membranes are produced for application in MD processes.

An aluminophosphate-metal oxide bonded body including a metal oxide having a bonding surface on a part of the surface thereof, and aluminophosphate that is disposed on the bonding surface of the metal oxide, wherein an alkali metal, an alkaline earth metal or both of these is/are disposed on the bonding surface of the metal oxide, and the content rate of the alkali metal, alkaline earth metal or both is from 0.3 to 30.0% by mass with respect to all of the substances that are disposed on the bonding surface of the metal oxide. An aluminophosphate-metal oxide bonded body that provides a favorable bonded state even for complicated shapes is provided.