CA2352380A1 - Injection moldable conductive aromatic thermoplastic liquid crystalline polymeric compositions - Google Patents

Injection moldable conductive aromatic thermoplastic liquid crystalline polymeric compositions Download PDF

Info

Publication number
CA2352380A1
CA2352380A1 CA002352380A CA2352380A CA2352380A1 CA 2352380 A1 CA2352380 A1 CA 2352380A1 CA 002352380 A CA002352380 A CA 002352380A CA 2352380 A CA2352380 A CA 2352380A CA 2352380 A1 CA2352380 A1 CA 2352380A1
Authority
CA
Canada
Prior art keywords
liquid crystalline
injection moldable
polymeric compositions
thermoplastic liquid
crystalline polymeric
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA002352380A
Other languages
French (fr)
Other versions
CA2352380C (en
Inventor
Mukesh K. Bisaria
Peter Andrin
Mohamed Abdou
Yuqi Cai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2352380A1 publication Critical patent/CA2352380A1/en
Application granted granted Critical
Publication of CA2352380C publication Critical patent/CA2352380C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0204—Non-porous and characterised by the material
    • H01M8/0223—Composites
    • H01M8/0226—Composites in the form of mixtures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0013—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fillers dispersed in the moulding material, e.g. metal particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/88—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced
    • B29C70/882—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts characterised primarily by possessing specific properties, e.g. electrically conductive or locally reinforced partly or totally electrically conductive, e.g. for EMI shielding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/20—Conductive material dispersed in non-conductive organic material
    • H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/20—Conductive material dispersed in non-conductive organic material
    • H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon or silicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0204—Non-porous and characterised by the material
    • H01M8/0206—Metals or alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0204—Non-porous and characterised by the material
    • H01M8/0213—Gas-impermeable carbon-containing materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0204—Non-porous and characterised by the material
    • H01M8/0221—Organic resins; Organic polymers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
    • H01M8/0263—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant having meandering or serpentine paths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0079—Liquid crystals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0017—Non-aqueous electrolytes
    • H01M2300/0065—Solid electrolytes
    • H01M2300/0082—Organic polymers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/02—Details
    • H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
    • H01M8/0204—Non-porous and characterised by the material
    • H01M8/0223—Composites
    • H01M8/0228—Composites in the form of layered or coated products
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/249933—Fiber embedded in or on the surface of a natural or synthetic rubber matrix
    • Y10T428/249938—Composite or conjugate fiber [e.g., fiber contains more than one chemically different material in monofilament or multifilament form, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2904—Staple length fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2918—Rod, strand, filament or fiber including free carbon or carbide or therewith [not as steel]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2938—Coating on discrete and individual rods, strands or filaments
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
    • Y10T428/2958—Metal or metal compound in coating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer

Abstract

A method for making a shaped article or a shaped article having a volume resistivity of less than 10-2 ohm-cm with a desired combination of properties and processibility in an injection moldable composition. In particular the shaped articles formed include injection molded bipolar plates as current collectors in fuel cell applications.
CA002352380A 1999-01-19 2000-01-19 Injection moldable conductive aromatic thermoplastic liquid crystalline polymeric compositions Expired - Fee Related CA2352380C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US11641099P 1999-01-19 1999-01-19
US60/116,410 1999-01-19
US12534299P 1999-03-19 1999-03-19
US60/125,342 1999-03-19
PCT/US2000/001159 WO2000044005A1 (en) 1999-01-19 2000-01-19 Injection moldable conductive aromatic thermoplastic liquid crystalline polymeric compositions

Publications (2)

Publication Number Publication Date
CA2352380A1 true CA2352380A1 (en) 2000-07-27
CA2352380C CA2352380C (en) 2009-01-13

Family

ID=26814212

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002352380A Expired - Fee Related CA2352380C (en) 1999-01-19 2000-01-19 Injection moldable conductive aromatic thermoplastic liquid crystalline polymeric compositions

Country Status (10)

Country Link
US (2) US6379795B1 (en)
EP (1) EP1153401B1 (en)
JP (1) JP2002535173A (en)
KR (1) KR20010101567A (en)
CN (1) CN1191591C (en)
AT (1) ATE254334T1 (en)
BR (1) BR0008588A (en)
CA (1) CA2352380C (en)
DE (1) DE60006490T2 (en)
WO (1) WO2000044005A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7153603B2 (en) 2002-03-20 2006-12-26 E. I. Dupont Canada Company Process for decreasing the resistivity of conductive flow field plates for use in fuel cells

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6379795B1 (en) 1999-01-19 2002-04-30 E. I. Du Pont De Nemours And Company Injection moldable conductive aromatic thermoplastic liquid crystalline polymeric compositions
US20020039675A1 (en) * 1999-11-18 2002-04-04 Braun James C. Compounding and molding process for fuel cell collector plates
SE522666C2 (en) * 2000-07-07 2004-02-24 Volvo Ab Gas distribution element for fuel cells, fuel cell and method for producing a gas distribution element
DE10038538A1 (en) * 2000-08-08 2002-02-28 Stefan Hoeller Electrochemical cell
WO2002019451A2 (en) * 2000-08-18 2002-03-07 Franklin Jerrold E Integrated and modular bsp/mea/manifold plates and compliant contacts for fuel cells
US20020022170A1 (en) * 2000-08-18 2002-02-21 Franklin Jerrold E. Integrated and modular BSP/MEA/manifold plates for fuel cells
JP3463806B2 (en) * 2000-12-22 2003-11-05 日本ピラー工業株式会社 Fuel cell separator and method of manufacturing the same
US20050202160A1 (en) * 2001-02-15 2005-09-15 Integral Technologies, Inc. Low cost electrically conductive carpeting manufactured from conductive loaded resin-based materials
US20050202296A1 (en) * 2001-02-15 2005-09-15 Integral Technologies, Inc. Low cost fuel cell bipolar plates manufactured from conductive loaded resin-based materials
DE10112394A1 (en) * 2001-03-13 2002-10-02 Ticona Gmbh Conductive plastic molding compound, its use and molded articles made therefrom
US20020180088A1 (en) * 2001-04-03 2002-12-05 Mitsubishi Chemical Corporation Process for producing separator for fuel cell
US6607857B2 (en) * 2001-05-31 2003-08-19 General Motors Corporation Fuel cell separator plate having controlled fiber orientation and method of manufacture
US6811918B2 (en) * 2001-11-20 2004-11-02 General Motors Corporation Low contact resistance PEM fuel cell
EP1324411A3 (en) * 2001-12-26 2004-12-22 Mitsubishi Chemical Corporation Composite material for fuel cell separator molding and production method thereof, and fuel cell separator which uses the composite material and production method thereof
US20050042496A1 (en) * 2002-02-13 2005-02-24 Bisara Mukesh K Method for manufacturing fuel cell separator plates under low shear strain
DE10216306B4 (en) * 2002-04-14 2008-06-12 Sgl Carbon Ag Method for producing a contact plate for an electrochemical cell and its uses
DE10220486C1 (en) * 2002-05-07 2003-09-18 Nbt Gmbh Sealed alkaline accumulator for storing electrical energy uses graphite, mainly as short fibers, as conductor in active paste of nickel hydroxide with cobalt (hydr)oxide and binder for pasting nickel (plated) support of positive electrode
SG157957A1 (en) * 2003-01-29 2010-01-29 Interplex Qlp Inc Package for integrated circuit die
WO2004086542A2 (en) * 2003-03-25 2004-10-07 E.I. Du Pont Canada Company Process for joining a gas diffusion layer to a separator plate
WO2004085129A1 (en) * 2003-03-25 2004-10-07 Dupont Canada Inc. Method and apparatus for making conductive molded parts using resistivbe heating
WO2004086552A2 (en) * 2003-03-25 2004-10-07 E.I. Du Pont Canada Company Process for sealing plates in an electrochemical cell
AU2003215471A1 (en) * 2003-03-27 2004-10-18 E.I. Du Pont Canada Company Post-molding treatment of current collector plates for fuel cells to improve conductivity
US20040211942A1 (en) * 2003-04-28 2004-10-28 Clark Darren Cameron Electrically conductive compositions and method of manufacture thereof
US20040232389A1 (en) * 2003-05-22 2004-11-25 Elkovitch Mark D. Electrically conductive compositions and method of manufacture thereof
US20040262581A1 (en) * 2003-06-27 2004-12-30 Rodrigues David E. Electrically conductive compositions and method of manufacture thereof
WO2005003238A1 (en) * 2003-07-02 2005-01-13 Polyplastics Co., Ltd. Conductive resin composition
US7670707B2 (en) * 2003-07-30 2010-03-02 Altergy Systems, Inc. Electrical contacts for fuel cells
KR20060060682A (en) * 2003-08-08 2006-06-05 제너럴 일렉트릭 캄파니 Electrically conductive compositions comprising carbon nanotubes and method of manufacture thereof
US7026432B2 (en) * 2003-08-12 2006-04-11 General Electric Company Electrically conductive compositions and method of manufacture thereof
US7354988B2 (en) * 2003-08-12 2008-04-08 General Electric Company Electrically conductive compositions and method of manufacture thereof
US7309727B2 (en) * 2003-09-29 2007-12-18 General Electric Company Conductive thermoplastic compositions, methods of manufacture and articles derived from such compositions
US20050070658A1 (en) * 2003-09-30 2005-03-31 Soumyadeb Ghosh Electrically conductive compositions, methods of manufacture thereof and articles derived from such compositions
US7923137B2 (en) 2003-10-09 2011-04-12 Eveready Battery Company, Inc. Nonaqueous cell with improved thermoplastic sealing member
EP1601036A1 (en) 2004-05-28 2005-11-30 Du Pont Canada Inc. Novel sealant material for electrochemical cell components
US7462656B2 (en) * 2005-02-15 2008-12-09 Sabic Innovative Plastics Ip B.V. Electrically conductive compositions and method of manufacture thereof
US8455155B2 (en) * 2006-11-22 2013-06-04 GM Global Technology Operations LLC Inexpensive approach for coating bipolar plates for PEM fuel cells
DE102007017553A1 (en) * 2007-04-12 2008-10-23 Wilhelm Eisenhuth Gmbh Kg Bipolar plate manufacturing method for e.g. hydrogen cell, involves inserting temperature-resistant sealing into groove before manufacturing process, where rod is provided in outer region of plate and leaves groove in plate after assembling
KR102246137B1 (en) 2012-10-16 2021-04-28 티코나 엘엘씨 Antistatic liquid crystalline polymer composition
WO2014088700A1 (en) 2012-12-05 2014-06-12 Ticona Llc Conductive liquid crystalline polymer composition
WO2014143176A1 (en) 2013-03-13 2014-09-18 Ticona Llc Compact camera module
JP6616322B2 (en) 2014-04-09 2019-12-04 ティコナ・エルエルシー The camera module
CN114989431A (en) 2014-04-09 2022-09-02 提克纳有限责任公司 Antistatic polymer composition
KR20180135344A (en) * 2017-06-12 2018-12-20 주식회사 모간 The control of carbon materials structure on bipolar plate for fuel cell and its manufacturing method
CN111417681B (en) 2017-12-05 2023-08-22 提克纳有限责任公司 Aromatic polymer composition for camera module
CN108215052A (en) * 2017-12-30 2018-06-29 大连銮艺精密模塑制造有限公司 Prevent the method for liquid crystal polymer resin injection moulding process surface product defect
US11729908B2 (en) 2020-02-26 2023-08-15 Ticona Llc Circuit structure
CN115151414A (en) 2020-02-26 2022-10-04 提克纳有限责任公司 Polymer composition for electronic devices
WO2021173408A1 (en) 2020-02-26 2021-09-02 Ticona Llc Electronic device
US11728065B2 (en) 2020-07-28 2023-08-15 Ticona Llc Molded interconnect device

Family Cites Families (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3801374A (en) 1969-01-08 1974-04-02 United Aircraft Corp Graphite and vinylidene fluoride structures for fuel cells
US3945844A (en) 1971-08-18 1976-03-23 United Aircraft Corporation Electrochemical cell
CA1051512A (en) 1973-05-23 1979-03-27 Royce E. Biddick Bipolar electrode using electrically conductive plastic substrate containing vitreous carbon
PH15509A (en) 1974-05-10 1983-02-03 Du Pont Improvements in an relating to synthetic polyesters
US3991014A (en) 1974-05-10 1976-11-09 E. I. Du Pont De Nemours And Company Polyesters of derivatives of hydroquinone and bis(carboxyphenyl)ether
US3991013A (en) 1974-05-10 1976-11-09 E. I. Du Pont De Nemours And Company Copolyesters of derivatives of hydroquinone
US4048148A (en) 1975-05-09 1977-09-13 E. I. Du Pont De Nemours And Company Polyazomethine fibers and films
US4075262A (en) 1975-08-12 1978-02-21 E. I. Du Pont De Nemours And Company Copolyesters capable of forming an anisotropic melt
US4011199A (en) 1975-11-28 1977-03-08 Eastman Kodak Company Acidolysis process
US4122070A (en) 1976-03-19 1978-10-24 E. I. Du Pont De Nemours And Company Fibers and anisotropic melts of polyazomethines
US4083829A (en) 1976-05-13 1978-04-11 Celanese Corporation Melt processable thermotropic wholly aromatic polyester
GB1538632A (en) 1976-06-30 1979-01-24 Sumitomo Chemical Co Polyester resin composition
US4159365A (en) 1976-11-19 1979-06-26 E. I. Du Pont De Nemours And Company Polyphenyl-1,4-phenylene terephthalates and fibers therefrom
US4169933A (en) 1977-08-08 1979-10-02 Eastman Kodak Company Liquid crystal copolyesters containing terephthalic acid and 2,6-naphthalenedicarboxylic acid
US4130545A (en) 1977-09-12 1978-12-19 Celanese Corporation Melt processable thermotropic wholly aromatic polyester comprising both para-oxybenzoyl and meta-oxybenzoyl moieties
US4184996A (en) 1977-09-12 1980-01-22 Celanese Corporation Melt processable thermotropic wholly aromatic polyester
US4161470A (en) 1977-10-20 1979-07-17 Celanese Corporation Polyester of 6-hydroxy-2-naphthoic acid and para-hydroxy benzoic acid capable of readily undergoing melt processing
US4153779A (en) 1978-06-26 1979-05-08 Eastman Kodak Company Liquid crystal copolyester containing a substituted phenylhydroquinone
DE2966721D1 (en) 1978-07-24 1984-04-05 Ici Plc Thermotropic polyesteramides
US4245082A (en) 1979-07-09 1981-01-13 E. I. Du Pont De Nemours And Company Polyesters derived from 3,4'-dihydroxy-benzophenones or 3-hydroxy-4'-(4-hydroxyphenyl-)benzophenone and certain aromatic dicarboxylic acids and filaments thereof
DE2842005A1 (en) 1978-09-27 1980-04-10 Bayer Ag POLYCARBONATES WITH ALKYLPHENYL END GROUPS, THEIR PRODUCTION AND THEIR USE
US4214969A (en) 1979-01-02 1980-07-29 General Electric Company Low cost bipolar current collector-separator for electrochemical cells
US4219461A (en) 1979-04-23 1980-08-26 Celanese Corporation Polyester of 6-hydroxy-2-naphthoic acid, para-hydroxy benzoic acid, aromatic diol, and aromatic diacid capable of readily undergoing melt processing
US4256624A (en) 1979-07-02 1981-03-17 Celanese Corporation Polyester of 6-hydroxy-2-naphthoic acid, aromatic diol, and aromatic diacid capable of undergoing melt processing
US4232144A (en) 1979-09-17 1980-11-04 E. I. Du Pont De Nemours And Company Polyester which exhibits anisotropy in the melt containing p-oxybenzoyl units and 4-oxy-3'-carbonylbenzophenone units or methyl and chloro derivatives of said units
US4232143A (en) 1979-09-17 1980-11-04 E. I. Du Pont De Nemours And Company Polyester which exhibits anisotropy in the melt containing p-oxybenzoyl units and 4,4'-dioxybenzophenone units or methyl and chloro derivatives thereof
US4339322A (en) 1980-04-21 1982-07-13 General Electric Company Carbon fiber reinforced fluorocarbon-graphite bipolar current collector-separator
US4370466A (en) 1981-09-28 1983-01-25 E. I. Du Pont De Nemours And Company Optically anisotropic melt forming polyesters
US4383105A (en) 1981-12-28 1983-05-10 E. I. Du Pont De Nemours And Company Polyimide-esters and filaments
US4983456A (en) * 1982-03-16 1991-01-08 American Cyanamid Compositions convertible to reinforced conductive components and articles incorporating same
US4882089A (en) * 1982-03-16 1989-11-21 American Cyanamid Company Compositions convertible to reinforced conductive components and articles incorporating same
US4909910A (en) * 1982-03-16 1990-03-20 American Cyanamid Yarns and tows comprising high strength metal coated fibers, process for their production, and articles made therefrom
US4661403A (en) * 1982-03-16 1987-04-28 American Cyanamid Company Yarns and tows comprising high strength metal coated fibers, process for their production, and articles made therefrom
US4752415A (en) * 1982-03-16 1988-06-21 American Cyanamid Co. Compositions convertible to reinforced conductive components and articles incorporating same
US4522974A (en) 1982-07-26 1985-06-11 Celanese Corporation Melt processable polyester capable of forming an anisotropic melt comprising a relatively low concentration of 6-oxy-2-naphthoyl moiety-4-benzoyl moiety, 1,4-dioxyphenylene moiety, isophthaloyl moiety and terephthaloyl moiety
JPS5943021A (en) 1982-09-02 1984-03-09 Ueno Seiyaku Oyo Kenkyusho:Kk Production of aromatic (co)polyester
CH656402A5 (en) 1983-05-06 1986-06-30 Bbc Brown Boveri & Cie CATHODIC ELECTRIC COLLECTOR.
US4447592A (en) 1983-06-13 1984-05-08 E. I. Du Pont De Nemours And Company Anisotropic melt polyesters of 6-hydroxy-2-naphthoic acid
US4944965A (en) * 1985-06-13 1990-07-31 American Cyanamid Elongated molding granules and injection-molding process employing them
US4617369A (en) 1985-09-04 1986-10-14 E. I. Du Pont De Nemours And Company Polyester polymers of 3-hydroxy-4'-(4-hydroxyphenyl)benzophenone or 3,4'-dihydroxybenzophenone and dicarboxylic acids
DE3542797A1 (en) 1985-12-04 1987-06-11 Basf Ag FULLY FLAVORED MESOMORPHIC POLYESTERIMIDES, THEIR PRODUCTION AND USE
DE3542779A1 (en) 1985-12-04 1987-06-11 Basf Ag FULLY FLAVORED MESOMORPHIC POLYESTERAMIDES, THEIR PRODUCTION AND USE
DE3542798A1 (en) 1985-12-04 1987-06-11 Basf Ag FULLY FLAVORED MESOMORPHIC POLYESTERAMIDIMIDES, THEIR PRODUCTION AND USE
DE3542777A1 (en) 1985-12-04 1987-06-11 Basf Ag FULLY FLAVORED POLYESTER CARBAMIDES, THEIR PRODUCTION AND USE
DE3542855A1 (en) 1985-12-04 1987-06-11 Basf Ag FULLY FLAVORED MESOMORPHIC POLYESTERAMIDES, THEIR PRODUCTION AND USE
DE3542814A1 (en) 1985-12-04 1987-06-11 Basf Ag FULLY FLAVORED MESOMORPHIC POLYESTER, THEIR PRODUCTION AND USE
US4664972A (en) 1986-04-23 1987-05-12 E. I. Du Pont De Nemours And Company Optically anisotropic melt forming aromatic copolyesters based on t-butylhydroquinone
US4818615A (en) * 1986-06-02 1989-04-04 American Cyanamid Company Elongated molding granules and injection-molding process employing them
DE3621519A1 (en) 1986-06-27 1988-01-07 Basf Ag FULLY FLAVORED MESOMORPHIC POLYESTER, THEIR PRODUCTION AND USE
JPH0717748B2 (en) 1986-12-19 1995-03-01 川崎製鉄株式会社 Aromatic polyester amide
EP0272676A3 (en) 1986-12-23 1989-03-29 Mitsubishi Chemical Corporation Wholly aromatic polyester and process for its production
GB8700923D0 (en) 1987-01-16 1987-02-18 Ici Plc Aromatic copolyesters
US4818089A (en) * 1987-04-24 1989-04-04 Coherent, Inc. Kinematic resonator support
ATE86266T1 (en) 1987-10-05 1993-03-15 Polyplastics Co RESIN WITH EXCELLENT HEAT RESISTANCE AND ANISOTROPIC PROPERTIES IN THE MELT.
IT1223401B (en) 1987-12-02 1990-09-19 Montedison Spa THERMOTROPIC CRYSTALLINE LIQUID AROMATIC POLYESTERS
DE3742205A1 (en) 1987-12-12 1989-06-22 Huels Chemische Werke Ag MOLDING COMPOSITION MADE OF A THERMOTROPEN, AROMATIC POLYESTER
IT1215682B (en) 1988-01-12 1990-02-22 Montedison Spa AROMATIC POLYESTERS THERMOTROPIC CRYSTALLINE LIQUID.
DE3802511A1 (en) 1988-01-28 1989-08-10 Huels Chemische Werke Ag MOLDING COMPOSITIONS MADE FROM A THERMOPLASTICALLY PROCESSABLE, AROMATIC POLYESTERIMIDE
US4849499A (en) 1988-08-01 1989-07-18 Eastman Kodak Company Melt processable, liquid crystalline polyesters
DE3914048A1 (en) 1988-09-13 1990-03-22 Bayer Ag EASY-FLOWING POLYAMIDE MOLDS AND ALLOYS
US5292831A (en) * 1989-01-17 1994-03-08 The Dow Chemical Company Mesogenic epoxy compounds
JPH02196819A (en) 1989-01-25 1990-08-03 Nippon Oil Co Ltd Wholly aromatic polyester
US4952448A (en) * 1989-05-03 1990-08-28 General Electric Company Fiber reinforced polymeric structure for EMI shielding and process for making same
US5312866A (en) * 1989-11-30 1994-05-17 Mitsui Toatsu Chemicals, Incorporated Polyimide based resin composition
JP3086231B2 (en) 1989-11-01 2000-09-11 ポリプラスチックス株式会社 Polyester resin and resin composition showing anisotropy when melted
US5091255A (en) * 1990-01-23 1992-02-25 American Cyanamid Company Molding granules, their manufacture and their use in the production of molded articles
DE4006404A1 (en) 1990-03-01 1991-09-05 Bayer Ag Phenolic hydroxy-contg. liq. crystalline ester or ether-amide cpds.
US5015722A (en) 1990-04-04 1991-05-14 Hoechst Celanese Corporation Melt-processable polyester capable of forming an anisotropic melt which exhibits a highly attractive balance between its molding and heat deflection temperatures
EP0485991B1 (en) * 1990-11-14 1997-01-29 Matrix Science Corporation Conductive fiber composite electrical connector and method of making same
US5110896A (en) 1990-12-10 1992-05-05 E. I. Du Pont De Nemours And Company Thermotropic liquid crystalline polyester compositions
ES2111080T3 (en) * 1991-08-12 1998-03-01 Gen Electric POLYPHENYLENE ETHER BASED DELAYED FLAME CONDUCTIVE COMPOSITIONS.
TW401454B (en) * 1992-06-02 2000-08-11 Sumitomo Chemical Co Liquid crystal polyester resin composition and molded article
US5582622A (en) 1994-10-12 1996-12-10 Bipolar Technologies, Inc. Methods of making bipolar battery plates comprising carbon and a fluoroelastomer
JP3693275B2 (en) 1998-06-30 2005-09-07 ニチアス株式会社 Fuel cell separator
US6180275B1 (en) 1998-11-18 2001-01-30 Energy Partners, L.C. Fuel cell collector plate and method of fabrication
US6379795B1 (en) 1999-01-19 2002-04-30 E. I. Du Pont De Nemours And Company Injection moldable conductive aromatic thermoplastic liquid crystalline polymeric compositions
US6384128B1 (en) * 2000-07-19 2002-05-07 Toray Industries, Inc. Thermoplastic resin composition, molding material, and molded article thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7153603B2 (en) 2002-03-20 2006-12-26 E. I. Dupont Canada Company Process for decreasing the resistivity of conductive flow field plates for use in fuel cells

Also Published As

Publication number Publication date
CA2352380C (en) 2009-01-13
ATE254334T1 (en) 2003-11-15
CN1191591C (en) 2005-03-02
EP1153401B1 (en) 2003-11-12
DE60006490D1 (en) 2003-12-18
US6379795B1 (en) 2002-04-30
CN1337048A (en) 2002-02-20
WO2000044005A1 (en) 2000-07-27
USRE40083E1 (en) 2008-02-19
JP2002535173A (en) 2002-10-22
BR0008588A (en) 2002-11-19
DE60006490T2 (en) 2004-09-16
EP1153401A1 (en) 2001-11-14
KR20010101567A (en) 2001-11-14

Similar Documents

Publication Publication Date Title
CA2352380A1 (en) Injection moldable conductive aromatic thermoplastic liquid crystalline polymeric compositions
US4169816A (en) Electrically conductive polyolefin compositions
CA2171298A1 (en) Trifluorostyrene and Substituted Trifluorostyrene Copolymeric Compositions and Ion-Exchange Membranes Formed Therefrom
BR9917095B1 (en) thermally conductive and highly conductive moldable composition, thermally conductive polymeric composition, thermally conductive composition and thermally conductive mold injection composition.
MY121981A (en) A flame retardant resin composition.
AU3586897A (en) Thermoplastic polymer compositions with modified electrical conductivity
GB2385055A (en) Conductive polymer compositions containing n-n-m-phenylenedimaleimide and devices
CN102051018B (en) Thermoplastic elastomer for being subjected to secondary injection adhesion with PBT (polybutylene terephthalate) material and composite molding product using same
CA2391894A1 (en) Fuel cell, fuel cell separator, and method of manufacture thereof
EP1925637A4 (en) Thermoplastic elastomer composition and composite molded article manufactured from the same
CA2412891A1 (en) Cable with recyclable covering
EP0698639A4 (en) Rubber composition
EP0572911A1 (en) Liquid crystal polyester resin composition and molded article
EP1455407A3 (en) Non-perfluoropolymer resins containing ionic or ionizable groups and products containing the same
EP0373834A3 (en) Hydrogenated diene copolymer-containing resin composition and process for producing the same
WO2002001582A3 (en) Electrical devices containing conductive polymers
WO2002015302A3 (en) Thermosetting composition for electrochemical cell components and methods of making thereof
EP0673969A4 (en) Colorant composition.
CA2041898A1 (en) Polymer compositions
EP0397531A3 (en) Thermoplastic resin composition and use thereof
EP0332454A3 (en) A resin composition
EP0250203A3 (en) Filled polymer compositions
TW200505092A (en) Fuel cell collector plates containing grafted polyolefins
EP0296611A3 (en) Stamping-moldable material
CA2380378A1 (en) Ternary poly(biphenyl ether sulfone) resin blends having improved environmental stress cracking resistance

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20150119