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Patent
Title

Composit-Festtreibstoff und Verfahren zu seiner Herstellung

Other Title
Composite solid propellant contains immobilised burning modifier - comprising a ferrocene deriv. immobilised by hydroxyl gps. reacting with PU binder during curing, useful as rocket or gas generator fuel..
Abstract
Composite solid propellant contains a crystalline inorganic oxidant, a binder with a liq. poly-OH-substd. prepolymer, crosslinking agent(s), polymer-specific plasticiser, antioxidant and adhesion promoter, a ferrocene deriv. coupled to the binder as burning modifier and opt. a metallic fuel and/or energy-rich nitramine. The ferrocene deriv. is a ferrocenyl methyl ether or ferrocenyl-carboxylate ester with free OH gps. of formula (I): Z = the ether gp. CH2-OX or the ester gp. C(O)-O-X; X = an oligoalkylene glycol or diol gp.; R = satd. hydrocarbyl or H. Also claimed is a method of producing the propellant. USE - Solid fuel of this type is esp. useful as rocket or gas generator fuel. ADVANTAGE - The ferrocene deriv., which has low viscosity and can be prepd. easily, is immobilised by chemical bonding of its OH gps. to the polymer during cure.
Inventor(s)
Menke, K.
Brehler, K.P.
Boehnlein Mauss, J.
Link to Espacenet
http://worldwide.espacenet.com/publicationDetails/biblio?DB=worldwide.espacenet.com&locale=en_EP&FT=D&CC=DE&NR=19516528A
Patent Number
1995-19516528
Publication Date
2000
Language
German
Fraunhofer-Institut für Chemische Technologie ICT  
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