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특허 상세정보

Method of producing thermoplastic elastomers having alternate crystalline structure for use as binders in high-energy co

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C08G-018/12   
미국특허분류(USC) 528/59 ; 528/65
출원번호 US-0174665 (1988-03-29)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 20  인용 특허 : 3
초록

A method of preparing a thermoplastic elastomer having A blocks and at least one B block, wherein said A blocks are crystalline at temperatures below about 60°C. and said B block(s) is amorphous at temperatures above about -20°C., said A blocks each being polyethers derived from monomers of oxetane and its derivatives and/or tetrahydrofuran and its derivatives, the method comprising providing hydroxyl terminated A blocks which are crystalline at temperatures below about 60°C. and separately providing hydroxyl terminated B blocks which are amorphous at te...

대표
청구항

A method of preparing a thermoplastic elastomer having A blocks and at least one B block, wherein said A blocks are crystalline at temperatures below about 60°C. and said B block(s) is amorphous at temperatures above about -20°C., said A blocks each being polyethers derived from monomers of oxetane and its derivatives and/or tetrahydrofuran and its derivatives, the method comprising providing hydroxyl terminated A blocks which are crystalline at temperatures below about 60°C. and separately providing hydroxyl terminated B blocks which are amorphous at te...

이 특허를 인용한 특허 피인용횟수: 20

  1. Igarashi Ichiro (Nagoya JPX) Sasaki Hiroshi (Tsukuba JPX). Active energy beam-curable compositions comprising oxetane compounds. USP1997105674922.
  2. Chan May L. (Ridgecrest CA) Turner Alan D. (Ridgecrest CA). Castable, insensitive energetic compositions. USP1991045009728.
  3. Sanderson, Andrew J.; Edwards, William W.; Braithwaite, Paul C.; Akester, Jeffrey D.; Widener, Jeff F.. Chain-extended poly(bis-azidomethyloxetane), and combustible cartridge cases and ammunition comprising the same. USP2003076600002.
  4. Guy Ampleman CA; Andre Marois CA; Sylvain Desilets CA. Energetic copolyurethane thermoplastic elastomers. USP2002116479614.
  5. Blomquist, Harold R.. Gas generating material for vehicle occupant protection device. USP2004106802533.
  6. Alfred G. Stern ; Horst G. Adolph. Hydrolyzable, energetic thermoplastic elastomers and methods of preparation thereof. USP2002056395859.
  7. Ampleman, Guy; Brousseau, Patrick; Thiboutot, Sonia; Dubois, Charles; Diaz, Emmanuela. Insensitive melt cast explosive compositions containing energetic thermoplastic elastomers. USP2003056562159.
  8. Beaupre, France; Ampleman, Guy; Nicole, Charles; Melan.cedilla.on, Jean-Guy. Insensitive propellant formulations containing energetic thermoplastic elastomers. USP2003016508894.
  9. Sanderson,Andrew J.; Edwards,Wayne W.. Method for the synthesis of energetic thermoplastic elastomers in non-halogenated solvents. USP2006026997997.
  10. Liu,Mingjun; Hajduk,Damian; Frechet,Jean M. J.; Khoshdel,Ezat; Nielsen,Ralph B.; Charmot,Dominique. Methods of making ABA-type block copolymers having a random block of hydrophobic and hydrophilic monomers. USP2006067067586.
  11. Haaland Andrew C. ; Braithwaite Paul C. ; Hartwell James A. ; Lott Val D. ; Rose Michael T.. Process for the manufacture of high performance gun propellants. USP2001016171530.
  12. Haaland Andrew C. ; Braithwaite Paul C. ; Hartwell James A. ; Lott Val D. ; Rose Michael T.. Process for the manufacture of high performance gun propellants. USP1998065759458.
  13. Goleniewski John R. ; Roberts James A.. Solid propellant with non-crystalline polyether/energetic plasticizer binder. USP1998075783769.
  14. Wardle Robert B. (Logan UT) Hinshaw Jerald C. (Logan UT) Edwards William W. (Tremonton UT). Synthesis of ABA triblock polymers and AnB star polymers from cyclic ethers. USP1990084952644.
  15. Guy Ampleman CA; Sylvie Brochu CA. Synthesis of energetic polyester thermoplastic homopolymers and energetic thermoplastic elastomers formed therefrom. USP2002076417290.
  16. Sanderson,Andrew J.; Edwards,Wayne; Cannizzo,Louis F.; Wardle,Robert B.. Synthesis of energetic thermoplastic elastomers containing both polyoxirane and polyoxetane blocks. USP2006097101955.
  17. Sanderson, Andrew J.; Edwards, Wayne. Synthesis of energetic thermoplastic elastomers containing oligomeric urethane linkages. USP2004116815522.
  18. Nahlovsky Boris D. (Sacramento CA) Zimmerman Gilbert A. (Sacramento CA). Thermoplastic castable composite rocket propellant. USP1991014985094.
  19. Biddle Richard A. (Elkton MD) Willer Rodney L. (Newark DE). Thermoplastic elastomer-based low vulnerability ammunition gun propellants. USP1990044919737.
  20. Bitler Steven P. ; Clarke Raymond ; Kemp David A. ; Stewart Ray F. ; Yoon Valentine Y. ; Freelin Robert G.. Thermoplastic elastomers. USP1998075783302.