GB2319024A - Alkali metal dispersions - Google Patents

Alkali metal dispersions

Info

Publication number
GB2319024A
GB2319024A GB9803042A GB9803042A GB2319024A GB 2319024 A GB2319024 A GB 2319024A GB 9803042 A GB9803042 A GB 9803042A GB 9803042 A GB9803042 A GB 9803042A GB 2319024 A GB2319024 A GB 2319024A
Authority
GB
United Kingdom
Prior art keywords
oil
dispersion
alkali metal
particles
hydrocarbon
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
GB9803042A
Other versions
GB2319024B (en
GB9803042D0 (en
Inventor
Bob Troy Dover
Conrad William Kamienski
Robert Charles Morrison
Jr R Thomas Currin
James Anthony Schwindeman
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.)
FMC Corp
Original Assignee
FMC Corp
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 FMC Corp filed Critical FMC Corp
Publication of GB9803042D0 publication Critical patent/GB9803042D0/en
Publication of GB2319024A publication Critical patent/GB2319024A/en
Application granted granted Critical
Publication of GB2319024B publication Critical patent/GB2319024B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D15/00—Lithium compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/14—Treatment of metallic powder
    • B22F1/145—Chemical treatment, e.g. passivation or decarburisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/02—Making metallic powder or suspensions thereof using physical processes
    • B22F9/06—Making metallic powder or suspensions thereof using physical processes starting from liquid material
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D13/00—Compounds of sodium or potassium not provided for elsewhere

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Lubricants (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

A process for producing dispersions of atmospherically stable, coated alkali metal particles and atmospherically stable, coated alkali metal powders by agitating a mixture of molten alkali metal in a hydrocarbon oil at dispersion speeds, optionally in the presence of a dispersing agent, contacting the molten alkali metal-hydrocarbon oil dispersion, above or below the surface of the dispersion, with up to 3 weight percent anhydrous carbon dioxide while agitating the dispersion for at least 1 minute. The dispersion in oil can be used directly in chemical reactions. The bulk of the oil can be removed from the dispersions to produce oil wet particles, the oil wet particles can be washed with a low boiling hydrocarbon to produce hydrocarbon wet particles which can be dried to produce atmospherically stable powders of coated metal particles. The dispersed particles in oil, the oil wet particles, the hydrocarbon wet particles and the atmospherically stable powders can each be used in chemical reactions. After washing and drying, the process produces lithium powders having a surface coating composition containing 0.1-0.3 atom percent lithium, 0.3-0.4 atom percent carbon, and 0.3-0.5 atom percent oxygen. The products of the invention may be used to synthesize organometallic compounds having low color and low soluble inorganic chloride levels.
GB9803042A 1995-08-15 1996-08-13 Alkali metal dispersions Expired - Lifetime GB2319024B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US233295P 1995-08-15 1995-08-15
PCT/US1996/013137 WO1997006910A1 (en) 1995-08-15 1996-08-13 Alkali metal dispersions

Publications (3)

Publication Number Publication Date
GB9803042D0 GB9803042D0 (en) 1998-04-08
GB2319024A true GB2319024A (en) 1998-05-13
GB2319024B GB2319024B (en) 1999-09-29

Family

ID=21700288

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9803042A Expired - Lifetime GB2319024B (en) 1995-08-15 1996-08-13 Alkali metal dispersions

Country Status (4)

Country Link
AU (1) AU6723896A (en)
DE (1) DE19681528B4 (en)
GB (1) GB2319024B (en)
WO (1) WO1997006910A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10204680A1 (en) 2002-02-06 2003-08-07 Chemetall Gmbh Process for the preparation of alkyl lithium compounds by atomization of lithium metal
GB0414161D0 (en) * 2004-06-24 2004-07-28 Aea Technology Battery Systems Anode for lithium ion cell
EP2621650B1 (en) 2010-09-28 2020-12-09 Albemarle Germany GmbH Stabilized, pure lithium metal powder and method for producing the same

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2058503A (en) * 1933-01-04 1936-10-27 Raffold Process Corp Colloidal calcium carbonate
US2394608A (en) * 1944-11-15 1946-02-12 Du Pont Dispersion
US2798831A (en) * 1952-07-30 1957-07-09 Du Pont Coating protected alkali metal product and process
US3293313A (en) * 1962-05-01 1966-12-20 Foote Mineral Co Method of making organic lithium compounds
US5332533A (en) * 1993-07-06 1994-07-26 Fmc Corporation Alkyllithium process
WO1994019100A1 (en) * 1993-02-18 1994-09-01 Fmc Corporation Alkali metal dispersions

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2058503A (en) * 1933-01-04 1936-10-27 Raffold Process Corp Colloidal calcium carbonate
US2394608A (en) * 1944-11-15 1946-02-12 Du Pont Dispersion
US2798831A (en) * 1952-07-30 1957-07-09 Du Pont Coating protected alkali metal product and process
US3293313A (en) * 1962-05-01 1966-12-20 Foote Mineral Co Method of making organic lithium compounds
WO1994019100A1 (en) * 1993-02-18 1994-09-01 Fmc Corporation Alkali metal dispersions
US5332533A (en) * 1993-07-06 1994-07-26 Fmc Corporation Alkyllithium process

Also Published As

Publication number Publication date
WO1997006910A1 (en) 1997-02-27
DE19681528T1 (en) 1999-07-15
AU6723896A (en) 1997-03-12
DE19681528B4 (en) 2006-10-05
GB2319024B (en) 1999-09-29
GB9803042D0 (en) 1998-04-08

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20160812