Amorphous fluorinated copolymer gas separation membranes

Title: Amorphous fluorinated copolymer gas separation membranes

Abstract

Membranes having a permselective active layer of a copolymerized perfluorinated monomer and an non-fluorinated alkylvinylester monomer demonstrate superior selective permeability performance for separating gas mixtures compared to membranes of exclusively perfluorinated polymers. Preferred active layer compositions are copolymers of perfluoro-2,2-dimethyl-1,3 dioxole (PDD) copolymerized with an alkylvinyl ester such as vinyl acetate, and vinyl pivalate, and with alkylvinyl esters that are substantially hydrolyzed to provide copolymerized vinyl alcohol functionality. The membranes can have a thin, high diffusion rate, “gutter layer” of a fluorinated polymer highly permeable to nitrogen positioned between the active layer and a porous support layer. A novel copolymer effective in selectively permeable membranes is a copolymer of PDD and an alkylvinyl ester compound having the formula H2C═CHOC(O)R1 in which R1 is a linear or branched alkyl group of from 2 to 5 carbon atoms.

Inventors:: Shangguan, Ning; Feiring, Andrew Edward; Majumdar, Sudipto

Issue Date:: 2020-03-24

Research Org.:: Compact Membrane Systems, Inc., Newport, DE (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1637783

Patent Number(s):: 10596527

Application Number:: 15/574,408

Assignee:: Compact Membrane Systems, Inc. (Newport, DE)

Patent Classifications (CPCs):: B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION

C - CHEMISTRY C07 - ORGANIC CHEMISTRY C07C - ACYCLIC OR CARBOCYCLIC COMPOUNDS

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B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
B01D67/0006 - {by chemical reactions
B01D71/52 - Polyethers
B01D71/76 - Macromolecular material not specifically provided for in a single one of groups B01D71/08 - B01D71/74
B01D71/32 - containing fluorine atoms

C - CHEMISTRY C07 - ORGANIC CHEMISTRY C07C - ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C21/185 - tetrafluorethene
C07C17/38 - Separation

B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
B01D2323/06 - Specific viscosities of materials involved
B01D2325/20 - Specific permeability or cut-off range

C - CHEMISTRY C07 - ORGANIC CHEMISTRY C07C - ACYCLIC OR CARBOCYCLIC COMPOUNDS
C07C21/18 - containing fluorine

B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
B01D2323/08 - Specific temperatures applied
B01D53/228 - {characterised by specific membranes}

C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08F - MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
C08F214/186 - {with non-fluorinated comonomers}

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DOE Contract Number:: SC0011989

Resource Type:: Patent

Resource Relation:: Patent File Date: 06/10/2016

Country of Publication:: United States

Language:: English

Citation Formats


                    Shangguan, Ning, Feiring, Andrew Edward, and Majumdar, Sudipto. Amorphous fluorinated copolymer gas separation membranes.  United States: N. p., 2020. 
        Web.

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                    Shangguan, Ning, Feiring, Andrew Edward, & Majumdar, Sudipto. Amorphous fluorinated copolymer gas separation membranes.  United States.

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                    Shangguan, Ning, Feiring, Andrew Edward, and Majumdar, Sudipto. Tue .  
        "Amorphous fluorinated copolymer gas separation membranes".  United States.  https://www.osti.gov/servlets/purl/1637783.

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@article{osti_1637783,

  title        = {Amorphous fluorinated copolymer gas separation membranes},

  author       = {Shangguan, Ning and Feiring, Andrew Edward and Majumdar, Sudipto},

  abstractNote = {Membranes having a permselective active layer of a copolymerized perfluorinated monomer and an non-fluorinated alkylvinylester monomer demonstrate superior selective permeability performance for separating gas mixtures compared to membranes of exclusively perfluorinated polymers. Preferred active layer compositions are copolymers of perfluoro-2,2-dimethyl-1,3 dioxole (PDD) copolymerized with an alkylvinyl ester such as vinyl acetate, and vinyl pivalate, and with alkylvinyl esters that are substantially hydrolyzed to provide copolymerized vinyl alcohol functionality. The membranes can have a thin, high diffusion rate, “gutter layer” of a fluorinated polymer highly permeable to nitrogen positioned between the active layer and a porous support layer. A novel copolymer effective in selectively permeable membranes is a copolymer of PDD and an alkylvinyl ester compound having the formula H2C═CHOC(O)R1 in which R1 is a linear or branched alkyl group of from 2 to 5 carbon atoms.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2020},

  month        = {3}

}

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Similar Records

Title: Amorphous fluorinated copolymer gas separation membranes

Abstract

Citation Formats

Non-porous gas permeable membrane patent, June 1999

Solid state facilitated transport separation membranes using polymer electrolytes for alkene separation patent, October 2002

Process for the separation of olefins from paraffins using membranes patent, April 2008

Perfluorodioxole membranes patent, September 1991

Method for the preparation of ionomer films patent, March 1988

Polymeric membrane and process for separating aliphatically unsaturated hydrocarbons patent, May 1991

Method of manufacturing fluoropolymers patent, September 1999

Methods for manufacturing olefins from lower alkans by oxidative dehydrogenation patent, February 2003

Shaped articles which are composed of a copolymer containing fluorine groups and which are selectively permeable to liquids and gases and are simultaneously oleophobic and oleophilic patent, December 1985

Method for producing silver salt-containing facilitated transport membrane for olefin separation having improved stability patent, April 2005

Silver nanoparticle/polymer nanocomposite membranes for olefin/paraffin separation and method of preparing the same patent, February 2009

Use of silver-exchanged ionomer membranes for gas separation patent, March 1993

Silver salt-containing facilitated transport membrane for olefin separation having improved stability and method for producing the same patent, March 2004

Water-free hydrocarbon separation membrane and process patent, September 1986

Facilitated transport membranes comprising a porous support and a solid polymer electrolyte consisting of a transition metal salt and a polymer having phthalic structure patent, February 2007

Solid polymer electrolyte material, liquid composition, solid polymer fuel cell and fluoropolymer patent, May 2007

Polymeric membrane and process for separation of aliphatically unsaturated hydrocarbons patent, November 1991

Color concentrates and polymer compositions containing the same, and methods of making the same patent, September 1997

Non-porous gas permeable membrane
patent, June 1999

Solid state facilitated transport separation membranes using polymer electrolytes for alkene separation
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Process for the separation of olefins from paraffins using membranes
patent, April 2008

Perfluorodioxole membranes
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Method for the preparation of ionomer films
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Polymeric membrane and process for separating aliphatically unsaturated hydrocarbons
patent, May 1991

Method of manufacturing fluoropolymers
patent, September 1999

Methods for manufacturing olefins from lower alkans by oxidative dehydrogenation
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Shaped articles which are composed of a copolymer containing fluorine groups and which are selectively permeable to liquids and gases and are simultaneously oleophobic and oleophilic
patent, December 1985

Method for producing silver salt-containing facilitated transport membrane for olefin separation having improved stability
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Silver nanoparticle/polymer nanocomposite membranes for olefin/paraffin separation and method of preparing the same
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Use of silver-exchanged ionomer membranes for gas separation
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Silver salt-containing facilitated transport membrane for olefin separation having improved stability and method for producing the same
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Water-free hydrocarbon separation membrane and process
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