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특허 상세정보

High molecular weight polycaprolactone prepolymers used in high-energy formulations

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C06B-045/10   
미국특허분류(USC) 149/194 ; 149/20
출원번호 US-0927887 (1986-11-06)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 25  인용 특허 : 4
초록

Poly(caprolactone) polymers are provided having molecular weights of 4000 or higher, are used to form propellant binders. When the high molecular weight poly(caprolactone) polymers are used in propellant formulations and cured with isocyanates of adequate functionality, propellants are produced having improved stress and strain characteristics relative to presently formulated propellants having binders of cured, lower molecular weight poly(caprolactone) polymers.

대표
청구항

A solid propellant composition comprising between about 70 and about 85 weight percent particulate material including particulate fuel material and particulate oxidizer material, balance consisting essentially of binder and nitrate ester plasticizer at a plasticizer to binder weight ratio of at least about 2.0:1, said binder being an elastomer formed from poly(caprolactone) and an isocyanate curative, the improvement comprising said poly(caprolactone) having a number average molecular weight of from about 4000 to about 20,000.

이 특허를 인용한 특허 피인용횟수: 25

  1. Manning Thelma G. (Montville NJ) Turci Joseph (Long Valley NJ) Mezger Mark J. (Mt. Bethel PA) Strauss Bernard (Rockaway NJ). Insensitive energetic compositions, and related articles and systems and processes. USP1996105567912.
  2. 2281448 ; 19420400 ; Mathey. Minimum signature isocyanate cured propellants containing bismuth compounds as ballistic modifiers. USP2001016168677.
  3. Warren Larry C.. Processing procedure for isocyanate cured propellants containing some bismuth compounds. USP2001026183574.
  4. Bennett S. John (Brigham City UT) Barnes Michael W. (Warrenton VA) Kolonko Kenneth J. (Brigham City UT). Propellant binder prepared from a PCP/HTPB block polymer. USP1989084853051.
  5. Moser, Jr., John R.. Reduced energy binder for energetic compositions. USP2004126835255.
  6. Roemerman, Steven D.. Small smart weapon and weapon system employing the same. USP2015069068796.
  7. Roemerman, Steven D.. Small smart weapon and weapon system employing the same. USP2018039915505.
  8. Roemerman, Steven D.. Small smart weapon and weapon system employing the same. USP2016119482490.
  9. Roemerman, Steven D.. Small smart weapon and weapon system employing the same. USP2013098541724.
  10. Roemerman, Steven D.; Tepera, Joseph Edward. Small smart weapon and weapon system employing the same. USP2013058443727.
  11. Roemerman, Steven D.; Tepera, Joseph Edward. Small smart weapon and weapon system employing the same. USP2011037895946.
  12. Roemerman, Steven D.; Volpi, John P.. Small smart weapon and weapon system employing the same. USP2010047690304.
  13. Roemerman, Steven D.; Volpi, John P.. Small smart weapon and weapon system employing the same. USP2015049006628.
  14. Jones Marvin Luther ; Tzeng Donald Dongjaw. Solid rocket propellant. USP2001056238499.
  15. Jones, Marvin Luther; Tzeng, Donald Dongjaw. Solid rocket propellant. USP2005066905561.
  16. Roemerman, Steven D.; Tepera, Joseph Edward. Weapon and weapon system employing the same. USP2014038661980.
  17. Roemerman, Steven D.; Volpi, John P.. Weapon and weapon system employing the same. USP2015069068803.
  18. Tepera, Joseph Edward; Roemerman, Steven D.. Weapon and weapon system employing the same. USP2012038127683.
  19. Tepera, Joseph Edward; Roemerman, Steven D.. Weapon and weapon system employing the same. USP2009057530315.
  20. Tepera, Joseph Edward; Roemerman, Steven D.. Weapon and weapon system employing the same. USP2015048997652.
  21. Tepera, Joseph Edward; Roemerman, Steven D.. Weapon and weapon system employing the same. USP2014038661981.
  22. Roemerman, Steven D.; Volpi, John P.; Tepera, Joseph Edward. Weapon interface system and delivery platform employing the same. USP2013088516938.
  23. Roemerman, Steven D.; Volpi, John P.; Tepera, Joseph Edward. Weapon interface system and delivery platform employing the same. USP20180710029791.
  24. Roemerman, Steven D.; Volpi, John P.; Tepera, Joseph Edward. Weapon interface system and delivery platform employing the same. USP2012028117955.
  25. Roemerman, Steven D.; Volpi, John P.; Tepera, Joseph Edward. Weapon interface system and delivery platform employing the same. USP2017019550568.