✍ Scribed by J. A. Merritt; H. C. Meyer; R. I. Greenberg; G. A. Tanton
No coin nor oath required. For personal study only.
n‐Hexylcarborane (NHC) is the proposed burning rate modifier for improved propellants to be used in the next generation of missiles. The synthesis of this material requires decaborane‐14, a material that is not commercially available in large quantities now. Therefore, the cost‐effectiveness of synthesized NHC, as it relates directly to the missile cost, depends upon a low‐cost synthesis of decaborane‐14. Laser induced chemistry, a revolutionary new kind of chemistry, offers a much more efficient and less expensive way to synthesize compounds than conventional thermochemistry provides. Using this technique, we have synthesized decaborane‐14 from diborane in high yields and high purity using both CO~2~ and DF laser frequencies. The products are decaborane‐14 formed as white crystals and pentaborane‐9 in the gaseous state; thus, isolation of the decaborane‐14 is a simple chemical engineering procedure.
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