6FDA-DAM-유형 호모-폴리이미드로부터 유래된 방향족 코-폴리이미드 가스 분리 멤브레인

• Main Authors: ALSAMAH ABDULKARIM, YAHAYA GARBA OLORIEGBE, HAYEK ALI, BAHAMDAN AHMAD
• Format: Patent
• Language: Korean
• Published: 28.10.2021
• Subjects: ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; CHEMISTRY; COMPOSITIONS BASED THEREON; FIRELIGHTERS; FUELS; FUELS NOT OTHERWISE PROVIDED FOR; LIQUEFIED PETROLEUM GAS; LUBRICANTS; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; NATURAL GAS; ORGANIC MACROMOLECULAR COMPOUNDS; PEAT; PERFORMING OPERATIONS; PETROLEUM, GAS OR COKE INDUSTRIES; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K; TECHNICAL GASES CONTAINING CARBON MONOXIDE; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING

함께 중합된 적어도 3개의 별개의 모이어티를 포함하는 사워 천연 가스의 성분을 분리하기 위한 코-폴리이미드 멤브레인으로서, 상기 모이어티는 2,2'-비스(3,4-디카르복시페닐)헥사플루오로프로판 디안하이드라이드 (6FDA) 기반 모이어티; 2,4,6-트리메틸-m-페닐렌디아민 (DAM) 기반 모이어티; 및 4,4'-(헥사플루오로이소프로필리덴)디아닐린 (6FpDA) 기반 모이어티; 9,9-비스(4-아미노페닐) 플루오렌 (CARDO) 기반 모이어티; 2,3,5,6-테트라메틸-1,4-페닐렌디아민 (듀렌 디아민) 기반 모이어티; 2,2'-비스(트리플루오로메틸)벤지딘 (ABL-21) 기반 모이어티; 3,3'-디하이드록시벤지딘 기반 모이어티; 및 3,3'-(헥사플루오로이소프로필리덴)디아닐린 기반 모이어티로 이루어진 군으로부터 선택된 적어도 하나의 성분을 포함한다. Co-polyimide membranes for separating components of sour natural gas including at least three distinct moieties polymerized together, the moieties including a 2,2′-bis(3,4-dicarboxyphenyl)hexafluoropropane dianhydride (6FDA) based moiety; a 2,4,6-trimethyl-m-phenylenediamine (DAM) based moiety; and at least one component selected from the group consisting of: a 4,4′-(hexafluoroisopropylidene)dianiline (6FpDA) based moiety; a 9,9-bis(4-aminophenyl) fluorene (CARDO) based moiety; a 2,3,5,6-tetramethyl-1,4-phenylenediamine (durene diamine) based moiety; a 2,2′-bis(trifluoromethyl)benzidine (ABL-21) based moiety; a 3,3′-dihydroxybenzidine based moiety; and a 3,3′-(hexafluoroisopropylidene)dianiline based moiety.