BR112017004963A2 - membranas de fibras ocas de peneira molecular de carbono (cms) e preparação das mesmas a partir de poli-imidas pré-oxidadas - Google Patents

membranas de fibras ocas de peneira molecular de carbono (cms) e preparação das mesmas a partir de poli-imidas pré-oxidadas

Info

Publication number
BR112017004963A2
BR112017004963A2 BR112017004963A BR112017004963A BR112017004963A2 BR 112017004963 A2 BR112017004963 A2 BR 112017004963A2 BR 112017004963 A BR112017004963 A BR 112017004963A BR 112017004963 A BR112017004963 A BR 112017004963A BR 112017004963 A2 BR112017004963 A2 BR 112017004963A2
Authority
BR
Brazil
Prior art keywords
membrane
molecular sieve
carbon molecular
oxidized
hydrogen
Prior art date
Application number
BR112017004963A
Other languages
English (en)
Other versions
BR112017004963B1 (pt
Inventor
Xu Liren
Original Assignee
Dow Global Technologies Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Global Technologies Llc filed Critical Dow Global Technologies Llc
Publication of BR112017004963A2 publication Critical patent/BR112017004963A2/pt
Publication of BR112017004963B1 publication Critical patent/BR112017004963B1/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1075Partially aromatic polyimides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
    • B01D53/228Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion characterised by specific membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0039Inorganic membrane manufacture
    • B01D67/0067Inorganic membrane manufacture by carbonisation or pyrolysis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0039Inorganic membrane manufacture
    • B01D67/0076Pretreatment of inorganic membrane material prior to membrane formation, e.g. coating of metal powder
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08Hollow fibre membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02Inorganic material
    • B01D71/021Carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2323/00Details relating to membrane preparation
    • B01D2323/08Specific temperatures applied
    • B01D2323/081Heating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

preparar uma membrana de peneira molecular de carbono a partir de uma poli-imida (por exemplo, uma poli-imida 6fda/bpda-dam) que tem uma temperatura de transição vítrea de pelo menos 400°c e inclui um composto fenil em ponte para separação de hidrogênio e etileno um do outro se presentes como uma mistura pura de hidrogênio e etileno ou como componentes de um gás craqueado. a preparação compreende duas etapas sequenciais a) e b). na etapa a), colocar uma membrana fabricada a partir de fibras sem defeito da poli-imida em contato com uma atmosfera contendo oxigênio sob condições de tempo e temperatura suficientes para produzir uma membrana polimérica pré-oxidada e pré-carbonizada que é insolúvel em n-metilpirrolidona quente (110 c) e pelo menos substancialmente livre de colapso de subestrutura. na etapa b), pirolisar a membrana pré-oxidada e pré-carbonizada na presença de um gás de purga sob condições de tempo e temperatura suficientes para render uma membrana de peneira molecular de carbono que tem pelo menos uma de uma permeância de hidrogênio e uma seletividade de hidrogênio/etileno maior que a de uma membrana de peneira molecular de carbono preparada a partir da mesma membrana usando apenas pirólise como na etapa b).
BR112017004963-5A 2014-09-24 2015-09-03 Membranas de fibras ocas de peneira molecular de carbono (cms) e preparação das mesmas a partir de poli-imidas pré-oxidadas BR112017004963B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462054427P 2014-09-24 2014-09-24
US62/054,427 2014-09-24
PCT/US2015/048230 WO2016048612A1 (en) 2014-09-24 2015-09-03 Carbon molecular sieve (cms) hollow fiber membranes and preparation thereof from pre-oxidized polyimides

Publications (2)

Publication Number Publication Date
BR112017004963A2 true BR112017004963A2 (pt) 2018-02-20
BR112017004963B1 BR112017004963B1 (pt) 2022-01-04

Family

ID=54200051

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017004963-5A BR112017004963B1 (pt) 2014-09-24 2015-09-03 Membranas de fibras ocas de peneira molecular de carbono (cms) e preparação das mesmas a partir de poli-imidas pré-oxidadas

Country Status (6)

Country Link
US (1) US10150840B2 (pt)
EP (1) EP3197592B1 (pt)
CN (1) CN106794430B (pt)
BR (1) BR112017004963B1 (pt)
ES (1) ES2798126T3 (pt)
WO (1) WO2016048612A1 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3538251B1 (en) 2016-11-10 2022-07-13 Dow Global Technologies, LLC Improved method to make carbon molecular sieve hollow fiber membranes
KR102542793B1 (ko) * 2017-08-14 2023-06-14 다우 글로벌 테크놀로지스 엘엘씨 탄소 분자체 중공 섬유 멤브레인의 개선된 제조 방법
KR20210005011A (ko) 2018-05-02 2021-01-13 다우 글로벌 테크놀로지스 엘엘씨 탄소 분자체 막의 향상된 제조 방법
US11420154B2 (en) * 2018-05-02 2022-08-23 Dow Global Technologies Llc Method of making carbon molecular sieve membranes
BR112021001258A2 (pt) 2018-08-23 2021-04-20 Dow Global Technologies Llc poli-imida reticulada, métodos para formar uma poli-imida reticulada, e para formação uma membrana de peneira molecular de carbono, e, membrana de peneira molecular de carbono
WO2020154146A1 (en) 2019-01-25 2020-07-30 Dow Global Technologies Llc A carbon molecular sieve membrane produced from a carbon forming polymer-polyvinylidene chloride copolymer blend
CN112337321B (zh) * 2019-08-08 2022-11-04 中国石油天然气股份有限公司 一种碳分子筛膜结构重塑方法

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EP0459623B1 (en) 1990-04-27 1994-06-08 Ube Industries, Ltd. Asymmetric hollow filamentary carbon membrane and process for producing same
US5234471A (en) 1992-02-04 1993-08-10 E. I. Du Pont De Nemours And Company Polyimide gas separation membranes for carbon dioxide enrichment
JP2673846B2 (ja) 1992-02-07 1997-11-05 宇部興産株式会社 非対称性中空糸炭素膜及びその製法
US6004374A (en) * 1997-10-10 1999-12-21 Air Products And Chemicals, Inc. Carbonaceous adsorbent membranes for gas dehydration
US6395066B1 (en) * 1999-03-05 2002-05-28 Ube Industries, Ltd. Partially carbonized asymmetric hollow fiber separation membrane, process for its production, and gas separation method
AU3925900A (en) * 1999-03-27 2000-10-16 Chevron U.S.A. Inc. Method and apparatus for wellbore gas separation
JP4238416B2 (ja) * 1999-05-27 2009-03-18 宇部興産株式会社 多孔質炭化膜およびその製造方法
US20030051874A1 (en) * 2001-09-20 2003-03-20 Munson Curtis L. Downhole membrane separation system with sweep gas
US7387749B2 (en) * 2004-02-20 2008-06-17 Wayne State University Method of delaminating aggregated particles with a coating agent in a substantially supercritical fluid
KR100789219B1 (ko) * 2004-03-12 2008-01-02 니뽄 가이시 가부시키가이샤 탄소막 적층체 및 그 제조 방법, 및 voc 제거 장치
US8486179B2 (en) * 2009-10-29 2013-07-16 Georgia Tech Research Corporation Method for producing carbon molecular sieve membranes in controlled atmospheres
US8545606B2 (en) * 2010-08-20 2013-10-01 Georgia Tech Research Corporation Treatment of molecular sieve particles for mixed matrix membranes
US20120048109A1 (en) * 2010-08-24 2012-03-01 Chevron U. S. A. Inc. Mixed Matrix Membranes
CN103347596A (zh) 2011-03-07 2013-10-09 佐治亚科技研究公司 用于乙烯/乙烷分离的基于聚酰亚胺的碳分子筛膜
EA027725B1 (ru) * 2011-12-20 2017-08-31 Джорджия Тек Рисёч Корпорейшн Способ формирования углеродной мембраны
ES2744606T3 (es) * 2012-05-01 2020-02-25 Dow Global Technologies Llc Uso de una membrana de tamiz molecular de fibra de carbono hueca
WO2013181407A2 (en) * 2012-05-30 2013-12-05 Georgia Tech Research Corporation Carbon molecular sieve membrane (cmsm) performance tuning by dual temperature secondary oxygen doping (dtsod)
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Also Published As

Publication number Publication date
CN106794430B (zh) 2020-11-06
US20170247512A1 (en) 2017-08-31
CN106794430A (zh) 2017-05-31
EP3197592B1 (en) 2020-05-13
EP3197592A1 (en) 2017-08-02
US10150840B2 (en) 2018-12-11
WO2016048612A1 (en) 2016-03-31
BR112017004963B1 (pt) 2022-01-04
CN106794430A8 (zh) 2017-07-14
ES2798126T3 (es) 2020-12-09

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B350 Update of information on the portal [chapter 15.35 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 03/09/2015, OBSERVADAS AS CONDICOES LEGAIS.