Thermoplastic composite rocket propellant

Details Thermoplastic composite rocket propellant Thermoplastic composite rocket propellant

C - Chemistry, Metallurgy

06

B

52/13

C06B 33/06 (2006.01) C06B 21/00 (2006.01)

Patent

CA 1160455

ABSTRACT OF THE DISCLOSURE A process is disclosed by which thermoplastic elastomers may be utilized to prepare melt-formable composite rocket propellants. The thermoplastic elastomer is dissolved in a volatile organic solvent, the other propellant ingredients are mixed in, and the volatile organic solvent is eva- porated. The dried propellant is melt-formed to final shape by molding or extruding above the melting point of the elastomer. An example of a usable thermoplastic elastomer is a block copolymer comprised of about 5 to about 20 weight percent styrene and of about 80 to 95 weight percent diene. The formed grain can be reclaimed by melting or dissolution in an organic solvent for reuse of the propellant ingre- dients.

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