WO1994018144A1 - Insensitive high performance explosive compositions - Google Patents

Insensitive high performance explosive compositions Download PDF

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Publication number
WO1994018144A1
WO1994018144A1 PCT/US1993/011390 US9311390W WO9418144A1 WO 1994018144 A1 WO1994018144 A1 WO 1994018144A1 US 9311390 W US9311390 W US 9311390W WO 9418144 A1 WO9418144 A1 WO 9418144A1
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WIPO (PCT)
Prior art keywords
explosive composition
high performance
low sensitivity
performance explosive
mixtures
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PCT/US1993/011390
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English (en)
French (fr)
Inventor
Gary K. Lund
Tom K. Highsmith
Paul C. Braithwaite
Robert B. Wardle
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Thiokol Corporation
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Publication date
Application filed by Thiokol Corporation filed Critical Thiokol Corporation
Priority to DE69309969T priority Critical patent/DE69309969T2/de
Priority to EP94901670A priority patent/EP0684938B1/en
Priority to TW083100101A priority patent/TW281665B/zh
Publication of WO1994018144A1 publication Critical patent/WO1994018144A1/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
    • C07D498/22—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains four or more hetero rings
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B25/00—Compositions containing a nitrated organic compound
    • C06B25/34—Compositions containing a nitrated organic compound the compound being a nitrated acyclic, alicyclic or heterocyclic amine
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B45/00—Compositions or products which are defined by structure or arrangement of component of product
    • C06B45/04—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive
    • C06B45/06—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive the solid solution or matrix containing an organic component
    • C06B45/10—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive the solid solution or matrix containing an organic component the organic component containing a resin
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B45/00—Compositions or products which are defined by structure or arrangement of component of product
    • C06B45/04—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive
    • C06B45/06—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive the solid solution or matrix containing an organic component
    • C06B45/10—Compositions or products which are defined by structure or arrangement of component of product comprising solid particles dispersed in solid solution or matrix not used for explosives where the matrix consists essentially of nitrated carbohydrates or a low molecular organic explosive the solid solution or matrix containing an organic component the organic component containing a resin
    • C06B45/105—The resin being a polymer bearing energetic groups or containing a soluble organic explosive

Definitions

  • This invention relates to insensitive high performance explosive compositions. More specifically, the present inven ⁇ tion relates to the use of 4, 10-dinitro-2, 6, 8, 12-tetraoxa-4, 10- diazatetracyclo[5.5.0.0 5 ' 9 0 3 ' n ]dodecane as an explosive ingredient in compositions useful in high performance, low sensitivity explosive applications.
  • IHE compositions have comprised a curable elastomeric binder in which particles of high-energy material, particularly explosive particles, oxidizers, and reactive metals, are dispersed throughout the binder.
  • the elastomeric binder has generally been a cured elastomer, such as hydroxy- ter inated polybutadienes, polypropylene glycols and the like. More recently, efforts have been made to use thermoplastic resin binders to produce insensitive high-explosives.
  • NTO nitrotriazolone
  • explosive formulations based on NTO are less sensitive than those based on the widely used high performance explosives RDX and HMX, their poor explosive per ⁇ formance, compared to RDX and HMX formulations, limit the use- fulness of NTO.
  • Nitroguanidine (NQ) is another insensitive explosive ingredient commonly used in the industry, but NQ, like NTO lacks the explosive performance of conventional high performance explosives.
  • TEX 10-dinitro- 2,6,8, 12-tetraoxa-4 , 10-diazatetracyclo[5.5.0.0 5 ' 9 0 311 ]dodecane
  • TEX TEX Characterization of TEX shows it to be thermally stable and significantly less impact or friction sensitive than conven ⁇ tional high performance solid nitramines such as RDX (1,3,5- trinitro-1, 3, 5-triaza-cyclohexane) , HMX (1, 3 , 5, 7-tetranitro- 1,3,5,7-tetraaza-cyclooctane) .
  • TEX may be used either alone or in combination with conventional or novel solid explosive ingredients such as RDX, HMX, NTO, NQ, ADN (ammonium dinitramide) , HNIW (2,4,6,8,10,12- hexanitro-2, 4, 6,8,10, 12-hexaazatetracyclo [ 5.5.0.0 5*9 0 3 "] - dodecane) , TATB (1, 3 , 5-triamino-2,4, 6-trinitrobenzene) , DADNE (1, l-diamino-2,2-dinitro ethane) , and similar compounds obvious to those skilled in the art, as the basis for formulating very high performance insensitive explosive compositions.
  • solid explosive ingredients such as RDX, HMX, NTO, NQ, ADN (ammonium dinitramide) , HNIW (2,4,6,8,10,12- hexanitro-2, 4, 6,8,10, 12-hexaazatetracyclo [ 5.5.0.0 5
  • TEX may be used in combination with a binder, metal, and oxidizer to prepare low cost, castable explosives.
  • TEX and a small amount of binder may also be used to prepare high solids (>90% TEX) pressable or extrudable explosives.
  • Melt cast explosives may be prepared by combining TEX with an ener ⁇ getic or inert material having a relatively low melt tempera- ture ( ⁇ 120°C) . These melt cast explosives may also contain a metal, oxidizer and other nitramine.
  • TEX may also be used as the primary solid in simple castable formulations (up to 90% solids) using energetic or inert polymeric binders. This class of explosives may contain another nitramine (i.e., RDX, HMX), but will not normally contain an oxidizer or metal.
  • the explosive compositions of the present invention exhibit greatly improved explosive performance relative to current insensitive explosive compositions comprising nitro- triazolone (NTO) , nitroguanidine (NQ) , and various nitrate salts, all of which suffer from low performance in order to satisfy sensitivity criteria.
  • NTO nitro- triazolone
  • NQ nitroguanidine
  • various nitrate salts all of which suffer from low performance in order to satisfy sensitivity criteria.
  • the present invention is directed to compositions using 4 , 10-dinitro-2 , 6 , 8 , 12-tetraoxa-4 , 10-diazatetracyclo- [5.5.0.0 5,9 0 3,n ]dodecane (herein referred to as TEX) as an explosive ingredient in compositions useful in high perfor ⁇ mance, low sensitivity explosive applications.
  • TEX 10-dinitro-2 , 6 , 8 , 12-tetraoxa-4 , 10-diazatetracyclo- [5.5.0.0 5,9 0 3,n ]dodecane
  • TEX may be prepared quicker and easier by reaction of diformyltetrahydroxy-piperazine with nitric acid in concentrated sulf ric acid. Ammonium nitrate may also be used instead of nitric acid as a nitrate source.
  • the TEX as prepared often contains small measurable amounts of trioxa-trinitro-triazaisowurtzitane or tetraoxa- mononitro-monoformyl-diazaisowurtzitane and analogous isomers with progressively higher nitramine content up to and including HNIW.
  • the inclusion of these compounds in the TEX formulations does not significantly affect the sensitivity of performance of the explosive and should be considered typical of the composi ⁇ tions containing TEX. Characterization of TEX shows it to be thermally stable and significantly less impact or friction sensitive than conventional high performance solid nitramines such as RDX, HMX, or HNIW.
  • Theoretical performance calcula- tions utilizing TEX indicate that the explosive performance of the TEX exceeds that of RDX in the neat form and is comparable to compositions containing RDX in a simple energetic binder- based plastic bonded explosive (PBX) composition.
  • PBX plastic bonded explosive
  • the TEX nitramine may be used either alone or in combina- tion with other conventional or novel solid explosive ingre ⁇ washers such as RDX, HMX, NTO, NQ, ADN, HNIW, TATB, DADNE, and similar compounds obvious to those skilled in the art, as the basis for formulating very high performance insensitive explo ⁇ sive compositions.
  • the explosive compositions of the present invention exhibit greatly improved theoretical explosive per ⁇ formance relative to current insensitive explosive compositions based on NTO, NQ, and various nitrate salts, all of which suffer from low performance in order to satisfy sensitivity criteria.
  • the TEX nitramine may be used in the development of dif ⁇ ferent types of insensitive high performance explosives.
  • TEX may be included in castable explosive formulations using a binder and optionally a metal and an oxidizer.
  • the binder may be inert or energetic.
  • Typical formulations may contain from about 5% to 90% TEX, preferably from about 30% to 90% TEX; from about 10% to 20% binder; from about 0% to 50% oxidizer; and from about 0% to 30% reactive metal.
  • the binder is preferably hydroxy terminated polybutadiene (HTPB) , although other inert binders could also be used such as PBAN (butadiene-acrylo- nitrile-acrylic acid terpolymer) , PPG (polypropylene glycol) , PEG (polyethylene glycol) , polyesters, polyacrylates, poly- methacrylates, CAB (cellulose acetate butyrate) , and mixtures thereof.
  • HTPB hydroxy terminated polybutadiene
  • PBAN butadiene-acrylo- nitrile-acrylic acid terpolymer
  • PPG polypropylene glycol
  • PEG polyethylene glycol
  • polyesters polyacrylates, poly- methacrylates
  • CAB cellulose acetate butyrate
  • Typical energetic binders which may be used include PGN (polyglycidyl nitrate) , poly-NMMO (nitratomethyl-methyl- oxetane) , GAP (polyglycidyl azide) , 9DT-NIDA (diethyleneglycol- triethyleneglycol-nitraminodiaceticacidterpolymer) , poly-BAMO (poly(bisazidomethyloxetane) ) , poly-AMMO (poly(azidomethyl- methyloxetane) ) , poly-NAMMO (poly(nitraminomethyl-methyloxe- tane) ) , copoly-BAMO/NMMO, copoly-BAMO/AMMO, NC (nitrocellu ⁇ lose) , and mixtures thereof.
  • PGN polyglycidyl nitrate
  • poly-NMMO nitratomethyl-methyl- oxetane
  • the binder may also contain 0% to 75% of a plasticizer such as DOA (dioctyladipate or (2-ethyl- hexyl)adipate) , IDP (isodecylperlargonate) , DOP (dioctylphtha- late) , DOM (dioctylmaleate) , DBP (dibutylphthalate) , oleyl nitrile, or mixtures thereof.
  • DOA dioctyladipate or (2-ethyl- hexyl)adipate
  • IDP isodecylperlargonate
  • DOP dioctylphtha- late
  • DOM dioctylmaleate
  • DBP dibutylphthalate
  • oleyl nitrile or mixtures thereof.
  • Energetic plasticizers may also be used, such as BDNPF/BDNPA (bis(2,2-dinitropropyl) acetal/bi ⁇ - (2,2-dinitropropyl) formal) , TMETN (trimethylolethanetrini- trate) , TEGDN (triethyleneglycoldinitrate) , DEGDN (diethylene- glycol-dinitrate) , NG (nitroglycerine) , BTTN (butanetrioltrini- trate) , alkyl NENA's (nitratoethylnitramine) , or mixtures thereof.
  • BDNPF/BDNPA bis(2,2-dinitropropyl) acetal/bi ⁇ - (2,2-dinitropropyl) formal
  • TMETN trimethylolethanetrini- trate
  • TEGDN triethyleneglycoldinitrate
  • DEGDN diethylene- glycol-dinitrate
  • NG nitrogenglycerine
  • the reactive metal is preferably aluminum or magnesium, although other reactive metals could be used such as boron, titanium, zirconium, or mixtures thereof.
  • the oxidizer is preferably AP (ammonium perchlorate) or AN (ammonium nitrate) , although other oxidizers could be used such as HAN (hydroxyl- am onium nitrate) , ADN, or mixtures thereof.
  • Some of the TEX may be replaced with another energetic solid such as RDX, HMX, NQ or NTO.
  • the sensitivity of the final explosive formulation will depend upon its explosive ingredients; therefore, as a general rule, as the TEX concentration replacing HMX or RDX in the explosive increases, the sensitivity of the explosive decreases, while if the TEX concentration replacing NQ or NTO increases, the performance increases.
  • This family of explosive formulations provides insensitive high performance explosives for general purpose bomb fill and underwater applications.
  • the pressable or extrudable explosives have a high solids content and contain up to about 98.5% TEX, preferably from 50% to 98.5% TEX and most preferably form 80% to 98.5% TEX, or a combination of TEX and another high explosive.
  • Various polymeric binders including halogenated, inert and energetic binders, may be used in pressable or extrudable explosives.
  • the polymeric binder is preferably present up to 20% by weight of the explosive compo ⁇ sition.
  • a reactive metal and/or an oxi- dizer may be included in the pressable or extrudable explosive formulations of the present invention.
  • Halogenated polymers are preferred where high density is important.
  • Typical halogenated polymers which may be used include Viton A® (fluorinated ethylene propylene copolymer) sold by DuPont and Kel-F® (copolymer of chlorotrifluoroethyl- ene and vinylidene fluoride) sold by 3M.
  • Other halogenated polymers which may be used include polyvinylidene fluoride, polydifluorochloroethylene, fluorinated polyethers, PVC (poly- vinyl chloride) , polytetrafluoroethylene, and mixtures thereof. Inert binders are sometimes desirable in pressable explosives because of stability and improved explosive processing.
  • Typical inert binders which may be used include EVA (ethylene- vinylacetate) and Estane® (a poly-urethane resin) sold by B.F. Goodrich.
  • Other inert binders which may also be used include HTPB, PBAN, PPG, PEG, polyesters, polyacrylates, polymethacryl- ates, and CAB.
  • Energetic binders may also be used in pres- sable explosives to maximize energy production and to reduce solids loading without reducing explosive performance.
  • Typical energetic binders which may be used include PGN (polyglycidyl nitrate) , poly-NMMO, GAP and NC (nitrocellulose) or CAB (cellu ⁇ lose acetate butyrate) plasticized with an energetic plastici- zer such as a liquid nitrate ester, BDNPA, or BDNPF.
  • PGN polyglycidyl nitrate
  • poly-NMMO poly-NMMO
  • GAP and NC nitrocellulose
  • CAB cellu ⁇ lose acetate butyrate
  • BDNPA and BDNPF are sometimes blended together or made as a mixture synthetically.
  • Combinations of energetic solids such as 50% TEX/40% HNIW/10% binder or 60% TEX/35% HMX/5% binder, etc. may be made to achieve the desired performance and sensitivity goals. It will be appreciated that by using TEX in this class of explo ⁇ sives, it is possible to achieve a wide range of performance and sensitivity goals. These explosive compositions are ideal for shaped charge or explosively formed projectile applications where a more insensitive fill is required than achievable with RDX or HMX. They are also useful for applications where more energy is required than possible with NTO or NQ, but insensi- tivity is still mandatory.
  • An additional class of explosives are those containing up to 90% TEX with the balance being a liquid polymer. These formulations may also contain a plasticizer. Both inert and energetic polymers and plasticizers may be used in this class of explosives, and another energetic solid such as HMX or RDX may replace part of the TEX to tailor the explosive properties.
  • the polymers and plasticizers may be inert or energetic depen ⁇ ding on the specific properties required for the particular application.
  • the energetic binder systems may be used to maxi ⁇ mize energy and/or to reduce solids loading while the inert binder systems may be used to increase processability and reduce sensitivity. Examples of inert polymers include HTPB, PPG, and acrylates.
  • Typical inert plasticizers include DOA, IDP, and DOM.
  • Typical energetic polymers useful in this class of explosives include PGN, poly-NMMO, and GAP.
  • Energetic plasticizers include BDNPA/BDNPF, NG, DEGDN, and other nitrate esters.
  • TEX explosives are the melt cast explosives which contain TEX, or TEX in combination with another high explosive, and an energetic or inert meltable material with a relatively low melt temperature (about 120°C or below) .
  • the meltable material acts as a "binder" to the solid explosive.
  • Two currently preferred meltable energetic materi- als which may be used in the present invention are TNT (2,4,6- trinitrotoluene) and TNAZ (1, 3 , 3-trinitroazetidine) .
  • Other meltable energetic materials which may be used include AN/NQ eutectic or alkylammonium nitrate salts.
  • Inert meltable materials such as polyethylene and hydrocarbon wax may also be used to prepare melt cast explosive compositions within the scope of the present invention.
  • Inert thermoplastic materials may also be used in these compositions to reduce the sensitiv ⁇ ity.
  • Oxidizers AP, AN, HAN, ADN, etc.
  • reactive metals Al, Mg, B, Ti, Zr, etc.
  • Typical melt cast explosive formulations within the scope of the present invention include a meltable material in the range from about 15% to 40%; TEX or blends of TEX/RDX, TEX/HMX, etc. in the range from about 5% to 85%, preferably 30% to 85%; a reactive metal from about 0% to 30%; and an oxidizer from about 0% to 30%.
  • the reactive metal is preferably aluminum, magnesium, boron, titanium, or zirconium, although other reactive metals could be used.
  • the oxidizer is preferably ammonium perchlorate or ammonium nitrate, although other oxidizers could be used.
  • Composition B is a well known melt cast explosive formulation comprising 59.5% RDX, 39.5% TNT, and 1% D2 wax (84% polyethylene, 14% nitrocellulose, and 2% lecithin) .
  • a high performance, insensitive explosive may be prepared by replacing the RDX in Composition B with TEX. It will be appreciated that the percentages of TNT and TEX may be varied in such a manner that the explosive performance of Composition B is maintained or even improved.
  • Example 1 TEX was prepared as follows: 250 L of concentrated sulfuric acid were placed in a 1 liter Erlenmeyer flask. The flask was placed in a water bath and stirred. To the stirred contents were added 250 mL of 90% nitric acid followed by 100 g l,4-diformyl-2, 3, 5, 6-tetrahydroxypiperazine at such rate that the temperature remained below 60°C. The contents were stirred for 1.5 hours over which time the temperature of the reaction dropped to ambient. The pale yellow reaction mixture was poured on to ice and the resultant precipitate collected by filtration on a glass frit. The wet solid was then returned to the flask and washed with saturated sodium bicarbonate until no more gassing was apparent.
  • the solid was then recollected on a glass filter and washed several times with methanol to remove impurities and to facilitate drying.
  • the product was dried in a vacuum oven overnight at 50°C.
  • the yield was 37.62 g.
  • the product displayed the proton and carbon NMR resonances as well as FTIR absorbances reported by Joseph H. Boyer and colleagues in Heterocycles. vol. 31, pp. 479-80 (1990).
  • the chemical reaction is shown below:
  • Example 2 TEX prepared according to the procedure of Example 1 was characterized by standard chemical methods. ⁇ and 13 C NMR and FTIR spectra were identical to data provided by Boyer. The material was further characterized for safety data. Safety tests were run using standard methodologies common the those skilled in the art. It should noted that TC tests are 50% values and ABL numbers are threshold initiation values. The results are as follows:
  • Example 3 Card gap testing of explosive compositions containing TEX, NTO, and RDX were conducted.
  • an explosive primer is set off a certain distance from the explosive.
  • the space between the primer and the explosive charge is filled with an inert material such as PMMA (poly- methylmethacrylate) .
  • PMMA poly- methylmethacrylate
  • the distance is expressed in cards, where 1 card is equal to 0.01 inch such that 70 cards is equal to 0.7 inches. If the explosive does not detonate at 70 cards, for example, then the explosive is insensitive at 70 cards.
  • the explosive compositions tested included 70% solids (e.g., 70% TEX, 70% NTO, and 70% RDX) in a PGN binder system comprising PGN, diethylene glycol dinitrate, and an isocyanate curative in which the plasticizer to polymer ratio was 2:1.
  • the TEX used was prepared according to the procedure of Example 1. The density of each explosive composition was measured and compared with its theoretical density. From this information, the theoretical detonation velocity at that density was also calculated using the standard BKW equation of state.
  • the pipes were instrumented for detonation velocity. Two tests were conducted for each explosive composition, the first test at zero cards and the second at 70 cards. The results of these tests are summarized below.
  • TEX was the least sensitive because it did not detonate at 70 cards (0.7 inches). Also pieces of the card gap pipe from the 70 cards TEX test were recovered along with pieces of unburned explosive. In the other tests, all of the explosive was consumed. In the tests with sustained detonations, a clean hole was punched through the witness plate.
  • Example 4 The safety profile for TEX was compared with that of HMX and RDX and is summarized below. Safety tests were run using standard methodologies common the those skilled in the art. It should noted that TC tests are 50% values and ABL numbers are threshold initiation values.
  • TEX appears to be quite insensitive to ignition stimuli compared to conventional nitramines.
  • Example 6 Computer modeling calculations comparing the theoretical explosive performance of several conventional explosive formulations with and without TEX were conducted utilizing the BKW equation of state. The calculations are summarized below:
  • RDX 359.58 8.802 1.820 HMX 392.56 9.046 1.900 fH-6 includes 74.2% Composition B, 20.6% Al, 4.7% D2 wax, and 0.5% CaCl 2 .
  • • -i.AFX-644 includes 40% TNT, 40% NTO, 20% Al, and a trace of D2 wax.
  • the present invention provides high performance explosives which are also insensitive during storage and transportation.
  • the present invention further provides a new major explosive ingredient which may be used in a variety of explosive formulations for use in high performance, low sensitivity explosive applica ⁇ tions.
  • the invention may be embodied in other specific forms without departing from its spirit or essential characteristics.
  • the described embodiments are to be considered in all respects only as illustrative and not restrictive.
  • the scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. All changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope. What is claimed is:

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PCT/US1993/011390 1993-02-03 1993-11-23 Insensitive high performance explosive compositions WO1994018144A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE69309969T DE69309969T2 (de) 1993-02-03 1993-11-23 Sprengstoffzusammensetzung mit unempfindlicher hoher sprengkraft
EP94901670A EP0684938B1 (en) 1993-02-03 1993-11-23 Insensitive high performance explosive compositions
TW083100101A TW281665B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-02-03 1994-01-07

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US08/013,034 US5529649A (en) 1993-02-03 1993-02-03 Insensitive high performance explosive compositions
US08/013,034 1993-02-03

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Cited By (5)

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WO1999018050A1 (en) * 1997-10-07 1999-04-15 Cordant Technologies, Inc. High performance explosive formulations and articles containing 2,4,6,8,10,12-hexanitrohexaazaisowurtzitane
EP0968983A4 (en) * 1997-11-26 2000-09-27 Asahi Chemical Ind COMPOSITION BASED ON HEXANITROHEXAAZAISOWURTIZITAN AND HEXANITROHEXAAZAISOWURTIZITAN COMPOSITION OF EXPLOSIVES
US6217799B1 (en) 1997-10-07 2001-04-17 Cordant Technologies Inc. Method for making high performance explosive formulations containing CL-20
WO2004089853A1 (de) * 2003-04-11 2004-10-21 Diehl Bgt Defence Gmbh & Co. Kg Verfahren zur herstellung von insensitivem hexogen
US6881283B2 (en) 2001-08-01 2005-04-19 Alliant Techsystems Inc. Low-sensitivity explosive compositions

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US5716557A (en) * 1996-11-07 1998-02-10 The United States Of America As Represented By The Secretary Of The Army Method of making high energy explosives and propellants
AU1159797A (en) * 1996-11-13 1998-06-03 Thelma Manning High energy thermoplastic elastomer propellant
WO1998034891A1 (de) * 1997-02-08 1998-08-13 Diehl Stiftung & Co. Treibladungspulver für rohrwaffen
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EP0684938A4 (en) 1996-03-13
EP0684938B1 (en) 1997-04-16
TW281665B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1996-07-21
EP0684938A1 (en) 1995-12-06
DE69309969D1 (de) 1997-05-22
US5529649A (en) 1996-06-25
DE69309969T2 (de) 1997-11-20
IL107772A (en) 1997-02-18
IL107772A0 (en) 1994-07-31

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