Shaped, flexible fuel and energetic system therefrom
First Claim
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1. A shaped, flexible fuel comprising:
- from about 5% to about 70% by weight of poly(tetrafluoroethylene) powder and porous silicon particles prepared from a metallurgical grade silicon powder having particle sizes ranging from about 1 micron to about 100 microns wherein the porous silicon particles have mean pore sizes ranging from about 4 nm-7 nm;
surface areas ranging from about 25-300 m2/g; and
pore volumes up to about 0.5 cc/g; and
wherein the shaped, flexible fuel has a Brunauer-Emmet-Teller (BET) surface area of at least 37 m2/g.
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Abstract
A shaped, flexible fuel and energetic system is presented. The shaped, flexible fuel comprises at least one polymeric binding material and porous silicon particles dispersed throughout the polymeric binding material. The porous silicon particles are prepared from a metallurgical grade silicon powder. The shaped, flexible fuel preferably includes shapes such as: an article, a film, a wire and a tape. The energetic system comprises the shaped, flexible fuel portion used alone or in combination with at least one oxidizer.
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18 Claims
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1. A shaped, flexible fuel comprising:
- from about 5% to about 70% by weight of poly(tetrafluoroethylene) powder and porous silicon particles prepared from a metallurgical grade silicon powder having particle sizes ranging from about 1 micron to about 100 microns wherein the porous silicon particles have mean pore sizes ranging from about 4 nm-7 nm;
surface areas ranging from about 25-300 m2/g; and
pore volumes up to about 0.5 cc/g; andwherein the shaped, flexible fuel has a Brunauer-Emmet-Teller (BET) surface area of at least 37 m2/g. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
- from about 5% to about 70% by weight of poly(tetrafluoroethylene) powder and porous silicon particles prepared from a metallurgical grade silicon powder having particle sizes ranging from about 1 micron to about 100 microns wherein the porous silicon particles have mean pore sizes ranging from about 4 nm-7 nm;
Specification