Saudi Arabian Oil Company

Junyan Yang

Yang Liu

Hasmukh A Patel

Milind M Vaidya

Benjamin James Sundell

Daniel J Harrigan

Sipei Li

This disclosure relates to siloxane membrane materials and polymeric membranes containing the siloxane membrane materials. The siloxane membrane materials are crosslinked with silanol polymers having backbones functionalized with bulky or rigid substituents. This disclosure also relates to methods of using the membranes for natural gas liquid recovery, such as removal and recovery of Chydrocarbons from natural gas.

Modified siloxane rubbery composite membranes for Cheavy hydrocarbon separation

This disclosure relates to membranes containing a polymer containing crown ether monomer units and a guest compound capable of binding thereto. This disclosure also relates to methods for making the membranes, and to methods for using the membranes for gas separation applications.

Membranes containing crown ether-containing polymers

This disclosure relates to blended polymeric membranes containing a polyimide polymeric matrix blended with a crosslinked polymer of intrinsic microporosity and methods of using the membranes for gas separation applications, such as removal of COfrom natural gas.

Membranes of glassy polymer blends with peg-crosslinked intrinsic microporous polymers for gas separations

A gas separation membrane, methods of forming the membrane, and methods of using the membrane for gas separation are provided. An exemplary gas separation membrane includes a cellulosic matrix and a polymer of intrinsic microporosity (PIM). The PIM includes chains coupled by a heat-treating under vacuum.

High free volume membrane for gas separation

A gas separation membrane, a method for making the gas separation membrane, and a method for using the gas separation membrane are provided. An exemplary gas separation membrane includes a polyether-block-polyamide (PEBA) matrix and a cross-linked network including functionalized polyhedral oligomeric silsesquioxane (POSS) nanoparticles dispersed through the PEBA matrix.

Hybrid membrane for gas separation

This disclosure relates to hybrid membranes comprising functionalized fillers within a polymer matrix and methods of using the membranes for gas separation applications, such as removal of hydrogen sulfide (HS) and carbon dioxide (CO) from natural gas.

Hybrid membranes with functionalized fillers for natural gas sweetening

This disclosure relates to functionalized polyhedral oligomeric silsesquioxanes (POSS) and polymeric membranes containing the functionalized POSS. This disclosure also relates to methods of using the membranes for natural gas liquid recovery, such as removal and recovery of Chydrocarbons from natural gas.

Siloxane hybrid membranes for enhanced natural gas liquid recovery

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. In formulas (I) and (II), each n is of from 2 to 30; and each R is independently &#x2014;H or &#x2014;CH.

Polymer blended membranes for sour gas separation

A method for making a gas separation membrane comprises dissolving and mixing poly(ether-b-amide) (Pebax) copolymer and acrylate-terminated polyethylene glycol oligomers (PEGDA) in a solvent, casting the polymer solution into a mold, removing the solvent to form a film, adding a photoinitiator to the film and irradiating the film with ultraviolet radiation to induce crosslinking of the PEGDA in the film, producing XLPEGDA, and submerging the film after exposure in a crosslinking solution to form crosslinked Pebax (XLPebax) in the film, wherein the crosslinking solution comprises one of a diisocyanate, a diisocyanate derivative and a combination of a diiscyanate and a diisocyanate derivative.

Gas separation membrane comprising crosslinked blends of rubbery polymers

Methods of making a gas separation membrane, a gas separation membrane, and method of gas separation. The gas separation membrane includes cross-linked poly(ether-b-amide) copolymer, in which the poly(ether-b-amide) copolymer comprise urethane crosslinks which is the reaction product of poly(ether-b-amide) copolymer and diisocyanate polyether according to formula (I): 

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Acton, MA, United States of America

Junyan Yang