[특허]High-blast explosive compositions containing particulate metal

The United States of America as represented by the Secretary of the Army

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High-blast explosive compositions containing particulate metal

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	D03D-023/00 D03D-043/00
미국특허분류(USC)	149/109.6; 149/108.2; 149/109.4
출원번호	US-0907599 (2005-04-07)
등록번호	US-8168016 (2012-05-01)
발명자 / 주소	Nicolich, Steven M. Capellos, Christos Balas, Wendy A. Akester, Jeffrey D. Hatch, Robert L.
출원인 / 주소	The United States of America as represented by the Secretary of the Army
대리인 / 주소	Goldfine, Henry S.
인용정보	피인용 횟수 : 1 인용 특허 : 6

초록
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High performance aluminized explosive compositions for high performance, high blast, low sensitivity explosive applications are disclosed. The compositions include Cl-20, HMX, RDX, or another material as the explosive ingredient, a binder system of cellulose acetate butyrate and bis-dinitropropyl acetyl and bis-dinitropropyl formal, and aluminum. The explosive is preferably pressable and or/mixable to permit formation into grains suitable for ordnance and similar applications including grenades, warheads, landmines, demolition, etc. The aluminum fully participates in the detonation of said explosive, manifesting its energy into fully useable metal pushing energy suitable for shaped charges, explosively formed penetrators, fragmentation warheads, enhanced blast warheads, multipurpose warheads, and the like. The aluminum is substantially reacted at two volume expansions of the expanding gas, and fully reacted prior to seven volume expansions of the expanding gas.

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1. An explosive composition consisting essentially of: an explosive component containing seventy-seven weight percent (77 wt %) of the explosive composition, said explosive component selected from the group consisting of: CL-20, HMX, RDX, HNS, TATB, PETN, TNT, ONAN, nitramines, nitrate esters, nitrated aromatics, melt phase explosives, and combinations thereof;a binder system component containing three and two-tenths weight percent (3.2 wt. %) of the explosive composition, said binder component selected from the group consisting of: cellulose acetate butyrate, a fluoroelastomer, ethyl vinyl acetate, a polyisobutylene polymer, a nylon, a thermoplastic polyester elastomer, a polyacrylate elastomer, a thermoplastic polyurethane, a polyvinyl chloride, a polyether block amide and combinations thereof; andan energetic plasticizer component containing four and eight-tenths weight percent (4.8 wt. %) of the explosive composition, said plasticizer component selected from the group consisting of bis-dinitropropyl acetyl and bis-dinitropropyl formal (BDNPA/F), isodecyl pelargonate (IDP), dioctyl adipate (DOA) dioctyl sebecate (DOS), a glycidyl azide polymer (GAP), and combinations thereof;a particulate metal component containing fifteen weight percent (15 wt. %) of the explosive composition, said particulate metal component selected from the group consisting of aluminum, boron, magnesium and combinations thereof, wherein the size of all the said particulate metal component is less than ten microns (10 μm) in diameter. 2. The explosive composition of claim 1, wherein the particle size of said particulate metal component is from about two-tenths of a micron (0.2 μm) to less than ten microns (10.0 μm) in diameter. 3. The explosive composition of claim 1, wherein the particle size of said particulate metal component is from about three microns (3 μm) to about four microns (4.0 μm) in diameter. 4. For an explosive composition consisting essentially of: an explosive component containing seventy-seven weight percent (77 wt %) of the explosive composition, said explosive component selected from the group consisting of: CL-20, HMX, RDX, HNS, TATB, PETN, TNT, ONAN, nitramines, nitrate esters, nitrated aromatics, melt phase explosives, and combinations thereof;a binder system component containing three and two-tenths weight percent (3.2 wt. %) of the explosive composition, said binder component selected from the group consisting of: cellulose acetate butyrate, a fluoroelastomer, ethyl vinyl acetate, a polyisobutylene polymer, a nylon, a thermoplastic polyester elastomer, a polyacrylate elastomer, a thermoplastic polyurethane, a polyvinyl chloride, a polyether block amide and combinations thereof; andan energetic plasticizer component containing four and eight-tenths weight percent (4.8 wt. %) of the explosive composition, said plasticizer component selected from the group consisting of bis-dinitropropyl acetyl and bis-dinitropropyl formal (BDNPA/F), isodecyl pelargonate (IDP), dioctyl adipate (DOA) dioctyl sebecate (DOS), a glycidyl azide polymer (GAP), and combinations thereof;a particulate metal component containing fifteen weight percent (15 wt. %) of the explosive composition, said particulate metal selected from the group consisting of aluminum, boron, magnesium and combinations thereof, wherein the size of all said particulate metal is less than ten microns (10 μm) in diameter;a method of preparing and using the explosive composition comprising the steps of:combining the explosive component, the binder system component, the energetic plasticizer component and the particulate metal component together until the explosive composition is formed; anddetonating the formed explosive composition. 5. The method of claim 4, wherein the particle size of said particulate metal is from about two-tenths of a micron (0.2 μm) to less than ten microns (10.0 μm) in diameter. 6. The method of claim 4, wherein the particle size of said particulate metal from about three microns (3 μm) to about four microns (4.0 μm) in diameter.

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Grattan, Antony F.; Davidson, Justine M.; Lin, Steve S.; Morton, Kevin O.. Downhole severing tools employing a two-stage energizing material and methods for use thereof. USP20181010094190.

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High-blast explosive compositions containing particulate metal

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