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Preparation of magnesium-fluoropolymer pyrotechnic material

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C06B-021/00    C06B-027/00   
미국특허분류(USC) 149/109.6 ; 149/019.2 ; 149/019.9 ; 149/087 ; 264/035 ; 264/036
출원번호 US-0030008 (1998-02-25)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Forrest
인용정보 피인용 횟수 : 20  인용 특허 : 7
초록

A process for preparing energetic materials by (1) dissolving a vinylidenuoride-hexafluoropropylene copolymer in a ketone that is acetone, methyl ethyl ketone, or mixtures thereof, (2) adding polytetrafluoroethylene particles and reactive metal (magnesium, aluminum, or their alloys) particles to form a slurry, (3) adding CO.sub.2 to the slurry to precipitate out the copolymer which then coats the polytetrafluoroethylene and reactive metal particles, and (4) separating the copolymer-coated particles from the ketone and CO.sub.2.

대표
청구항
▼

[ What is claimed is:] [1.] A process for producing energetic materials comprising:A. dissolving a vinylidenefluoride-hexafluoropropylene copolymer in a ketone solvent that is acetone, methyl ethyl ketone, or mixtures thereof;B. forming a slurry by adding a mixture of polytetrafluoroethylene particles and reactive metal particles that are magnesium particles, magnesium alloy particles, aluminum particles, aluminum alloy particles, or mixtures thereof to the solution formed in step A;C. adding CO.sub.2 to the slurry formed in step B to cause the vinyliden...

이 특허에 인용된 특허 (7)

  1. Sdat Georges A. (St.-Raphael FRX). Castable pyrotechnic composition with a chlorinated binder. USP1984054447278.
  2. Brown Jerry S. (Woodford VA) Conkling John A. (Chestertown MD). Energetic compositions containing no volatile solvents. USP1996115574248.
  3. Arita Takenori (Nobeoka JPX) Sato Shunichi (Nobeoka JPX). Explosive composition and method for producing the same. USP1995125472529.
  4. Hahn George T. (China Lake CA) Rivette Paul G. (Baton Rouge LA) Weldon Rodney G. (China Lake CA). Infra-red tracking flare. USP1997105679921.
  5. Coeling Kenneth J. (Westlake OH) Saidman Laurence B. (Avon Lake OH) Smith James C. (Amherst OH) Messerly James W. (Stow OH) Mayer Stanley E. (Avon Lake OH). Method and apparatus for preventing the formation of a solid precipitate in a coating material formulation. USP1995085443796.
  6. Mandel Frederick S. (Chagrin Falls OH) Green Charles D. (Hudson OH) Scheibelhoffer Anthony S. (Norton OH). Method of preparing coating materials. USP1996085548004.
  7. Sanai Mohsen (Palo Alto CA). Molded low density controlled pressure solid explosive material and method of making same. USP1988024722280.

이 특허를 인용한 특허 피인용횟수: 20

  1. Nielson, Daniel B.; Truitt, Richard M.; Ashcroft, Benjamin N.. Articles of ordnance including reactive material enhanced projectiles, and related methods. USP2018059982981.
  2. Guerin ; deceased Jean-Claude,FRX ; Guerin ; heir by Robert Rene Armand,FRX ; Guerin ; heir by Christiane,FRX ; Guerin ; heir by Jean-Baptiste,FRX ; Cano ; heir by Agnes Fernande,FRX ; Guerin ; heir . Compacting process and compacting means and device suitable for the compacting of materials with a pyrophoric tendency. USP2000086110307.
  3. Nielson, Daniel B.; Fielding, Curtis W.. Compositions usable as flare compositions, countermeasure devices containing the flare compositions, and related methods. USP20190110173944.
  4. Widener, Jeffrey F.; Nielson, Daniel B.. Consumable weight components for flares and methods of formation. USP20181210155700.
  5. Brothers, Alan H.. Energetic materials using amorphous metals and metal alloys. USP2017029573858.
  6. Posson, Philip L.; Clark, Mark; Cornwell, Jim. Energetics binder of fluoroelastomer or other latex. USP2005056896751.
  7. Koch, Ernst-Christian. Energy-producing material. USP2010037678209.
  8. Widener, Jeffrey F.; Nielson, Daniel B.. Flares with a consumable weight and methods of fabrication and use. USP2015119194669.
  9. Nielson, Daniel B.; Truitt, Richard M.; Rasmussen, Nikki. Low temperature, extrudable, high density reactive materials. USP2005116962634.
  10. Nielson, Daniel B.; Truitt, Richard M.; Rasmussen, Nikki. Low temperature, extrudable, high density reactive materials. USP201602RE45899.
  11. Nauflett George W. ; Farncomb Robert E.. Nitration of organics in carbon dioxide. USP2001016177033.
  12. Hanaki Koichi,JPX ; Mitamura Yasuhiro,JPX ; Ohkawa Atsuhiro,JPX. Photo- and heat-sensitive recording material and colorant produced from the material. USP2000056060206.
  13. Joshi, Vasant S.. Process for making polytetrafluoroethylene-aluminum composite and product made. USP2003046547993.
  14. Ashcroft, Benjamin N.; Nielson, Daniel B.; Doll, Daniel W.. Reactive compositions including metal. USP2013018361258.
  15. Ashcroft, Benjamin N.; Nielson, Daniel B.; Doll, Daniel W.. Reactive compositions including metal. USP2011128075715.
  16. Nielson, Daniel B.; Ashcroft, Benjamin N.; Doll, Daniel W.. Reactive material compositions and projectiles containing same. USP2013108568541.
  17. Nielson, Daniel B.; Truitt, Richard M.; Poore, Rochelle D.; Ashcroft, Benjamin N.. Reactive material compositions, shot shells including reactive materials, and a method of producing same. USP2011077977420.
  18. Nielson, Daniel B.; Truitt, Richard M.; Ashcroft, Benjamin N.. Reactive material enhanced projectiles and related methods. USP2012028122833.
  19. Nielson, Daniel B.; Truitt, Richard M.; Ashcroft, Benjamin N.. Reactive material enhanced projectiles and related methods. USP2015089103641.
  20. Mock, Jr.,Willis; Holt,William H.. Reactive munition in a three-dimensionally rigid state. USP2008067383775.

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