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특허 상세정보

Composite modified double-base propellant with filler bonding agent

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C06B-045/10   
미국특허분류(USC) 149/198 ; 149/7 ; 149/11 ; 149/20
출원번호 US-0868666 (1969-10-07)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 12  인용 특허 : 0
초록

Mechanical properties of composite modified double-base propellant are improved by coating fillers for the propellant with a crosslinked, binder insoluble coating having reactive surface isocyanate groups. The reactive isocyanate groups become chemically bound to the nitrocellulose binder of the propellant during propellant cure. Failure of the propellant at the binder-filler interface under conditions of stress is substantially reduced.

대표
청구항

In the process of preparing composite modified double-base propellant by slurry casting, the improvement whereby dewetting of filler particles from the binder under conditions of stress is reduced said improvement comprising admixing with the uncured propellant ingredients at least one filler selected from the group consisting of inorganic oxidizer salts, organic oxidizers and metal fluids, said filler having a crosslinked, binder-insoluble coating having reactive surface-NCO groups, and curing the resulting propellant.

이 특허를 인용한 특허 피인용횟수: 12

  1. Kincaid John F. (Arlington VA) Reed ; Jr. Russell (Ridgecrest CA). Bonding agent for HMX (cyclotetramethylenetetranitramine). USP1982094350542.
  2. Lemons Kelly W. ; Baggett ; Jr. Albert J. ; Fahey William D. ; Weinman Lawrence. Combustible composition for use in vehicle safety systems. USP2000106136111.
  3. Comfort Theodore F. (Cumberland MD). Cross-linked double base propellant having improved low temperature mechanical properties. USP1987044659402.
  4. Robinson ; Jr. Anderson E. (Destin FL). Crosslinked double base propellant binders. USP1980114234364.
  5. Riggs, Jeffrey L.; Oleynik, Vladislav; Borovikov, Valery; Albul, Gennadiy. Explosive decompression propulsion system. USP2012058181561.
  6. Kim Chung S. (1955 Santa Maria Way Sacramento CA 95825). Filler reinforcement of polyurethane binder using a neutral polymeric bonding agent. USP1990044915755.
  7. Martins, Laura J.; Cragun, Richard B.; Lund, Gary K.; Wells, Michael V.; Mancini, Vincent E.. Method of making multi-base propellants from pelletized nitrocellulose. USP2004026692655.
  8. Chi Minn-Shong (Bel Air MD). Polyfunctional isocyanate crosslinking agents for propellant binders. USP1987064670068.
  9. Orbey, Nese; Cushman, B. Michael; Temchenko, Marina; Bromberg, Lev. Process of separating gun propellant components and useful byproducts thereof. USP2009107604705.
  10. Riggs, Jeffrey L.; Oleynik, Vladislav; Borovikov, Valery; Albul, Gennadiy. Projectile propulsion system. USP2012128327747.
  11. Brodman Bruce W. (Stroudsburg PA) Devine Michael P. (Sparta NJ) Schwartz Stuart (Indianapolis IN). Propellant charge with reduced muzzle smoke and flash characteristics. USP1982024315785.
  12. Pierce Everette M. (Somerville AL). Smokeless propellant compositions having polyester or polybutadiene binder system crosslinked with nitrocellulose. USP1980084216039.