EP1241150B1 - Verfahren zur Herstellung giessfähiger kunststoffgebundener Sprengladungen oder Raketentreibstoffe - Google Patents
Verfahren zur Herstellung giessfähiger kunststoffgebundener Sprengladungen oder Raketentreibstoffe Download PDFInfo
- Publication number
- EP1241150B1 EP1241150B1 EP01129902A EP01129902A EP1241150B1 EP 1241150 B1 EP1241150 B1 EP 1241150B1 EP 01129902 A EP01129902 A EP 01129902A EP 01129902 A EP01129902 A EP 01129902A EP 1241150 B1 EP1241150 B1 EP 1241150B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal powder
- plastic
- explosive
- groups
- rocket propellants
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002360 explosive Substances 0.000 title claims description 23
- 239000004033 plastic Substances 0.000 title claims description 9
- 239000003380 propellant Substances 0.000 title claims description 4
- 238000000034 method Methods 0.000 title claims 4
- 239000000843 powder Substances 0.000 claims description 19
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 10
- IJOOHPMOJXWVHK-UHFFFAOYSA-N chlorotrimethylsilane Chemical compound C[Si](C)(C)Cl IJOOHPMOJXWVHK-UHFFFAOYSA-N 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 150000003254 radicals Chemical class 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 239000005051 trimethylchlorosilane Substances 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 150000005840 aryl radicals Chemical class 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 239000010955 niobium Substances 0.000 claims description 2
- 238000009738 saturating Methods 0.000 claims description 2
- 229910052715 tantalum Inorganic materials 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims 1
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 claims 1
- 229920006395 saturated elastomer Polymers 0.000 claims 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims 1
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- 239000010937 tungsten Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 3
- XTFIVUDBNACUBN-UHFFFAOYSA-N 1,3,5-trinitro-1,3,5-triazinane Chemical compound [O-][N+](=O)N1CN([N+]([O-])=O)CN([N+]([O-])=O)C1 XTFIVUDBNACUBN-UHFFFAOYSA-N 0.000 description 2
- 239000000028 HMX Substances 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical group 0.000 description 2
- UZGLIIJVICEWHF-UHFFFAOYSA-N octogen Chemical compound [O-][N+](=O)N1CN([N+]([O-])=O)CN([N+]([O-])=O)CN([N+]([O-])=O)C1 UZGLIIJVICEWHF-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920002121 Hydroxyl-terminated polybutadiene Polymers 0.000 description 1
- TZRXHJWUDPFEEY-UHFFFAOYSA-N Pentaerythritol Tetranitrate Chemical compound [O-][N+](=O)OCC(CO[N+]([O-])=O)(CO[N+]([O-])=O)CO[N+]([O-])=O TZRXHJWUDPFEEY-UHFFFAOYSA-N 0.000 description 1
- 239000000026 Pentaerythritol tetranitrate Substances 0.000 description 1
- -1 alkyl radicals Chemical class 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical compound [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- ZYTNDGXGVOZJBT-UHFFFAOYSA-N niobium Chemical compound [Nb].[Nb].[Nb] ZYTNDGXGVOZJBT-UHFFFAOYSA-N 0.000 description 1
- 229960004321 pentaerithrityl tetranitrate Drugs 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- WTKKCYNZRWIVKL-UHFFFAOYSA-N tantalum Chemical compound [Ta+5] WTKKCYNZRWIVKL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C06B45/18—Compositions or products which are defined by structure or arrangement of component of product comprising a coated component
- C06B45/30—Compositions or products which are defined by structure or arrangement of component of product comprising a coated component the component base containing an inorganic explosive or an inorganic thermic component
- C06B45/32—Compositions or products which are defined by structure or arrangement of component of product comprising a coated component the component base containing an inorganic explosive or an inorganic thermic component the coating containing an organic compound
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
- C06B21/0008—Compounding the ingredient
- C06B21/0025—Compounding the ingredient the ingredient being a polymer bonded explosive or thermic component
Definitions
- the invention relates to a method for producing pourable plastic bonded explosive charges or rocket fuels.
- Plastic-bonded explosive charges have a relatively high insensitivity despite a high active power on. They consist of reaction polymers in which crystalline before hardening Explosives, such as octogen, hexogen, pentaerythritol tetranitrate, etc., are incorporated. there the polymer content is about 10 to 20 wt .-%.
- a problem in the production of plastic-bound explosive charges is that with increasing Solid content, i. with increasing content of explosive, the viscosity of the mixture can increase so that a pouring of this mixture is impossible.
- the theoretical Limit for a flowable mixture is 92 wt .-%. However, it has been shown that the practical limit for flowable mixtures is about 90 wt .-%.
- There are also explosive charges with such a high solids content only pourable when the particle sizes of the for the Explosive charge used explosive crystals within a given diameter interval lie, so that a relatively expensive screening of grain fractions is required.
- the solids content and thus the performance increase plastic-bound explosive charges without increasing the viscosity, that 0.1 to 10 wt .-% of the solid when mixed with the curable plastic binder as the finest grain with a mean grain size less than 25 microns, preferably less than 8 microns added becomes.
- the invention is based on the object, a method for producing insensitive pourable plastic bonded explosive charges or rocket propellants with a high (e.g., 90%) solids content, with an increase the viscosity by polar deposited on the metal surface of the metal powder Groups is avoided.
- R organic radical
- the polar groups can no longer react with the isocyanates and the specific surface area of the respective metal powder decreases.
- the viscosity of the explosive charge decreases.
- Suitable organic radicals are all alkyl and aryl radicals, the alkyl radicals being more reactive.
- tungsten powder particles size between 3 and 5 microns
- a solution of 900 g of pentane and 20 g of trimethylchlorosilane were placed in a solution of 900 g of pentane and 20 g of trimethylchlorosilane and stirred for 5 minutes. Subsequently, the tungsten powder was filtered off and dried in a drying oven. While the specific surface before treatment with Me3SiCl was 0.1978 m 2 / g, after treatment it was only 0.1880 m 2 / g, which subsequently led to a reduction of the viscosity of the explosive mixture from approx. 600 - 800 Pas to approx 400 Pas led.
- the preparation of the explosive charges according to the invention can be carried out, for example, by means of the following typical formulations: 80-88% by weight Crystalline explosive, eg RDX or HMX 10-20% by weight Binder, eg HTPB 5-10% by weight softener 0.01-02% by weight bonding agent 0.05-05% by weight coating aids 0.1-1.0% by weight antioxidant 0.1-10% by weight metal powder
- the grain size of the respective metal powder should be between 0.1 and 5 ⁇ m lie.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Lubricants (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Description
80-88 Gew.-% | Kristalliner Sprengstoff, z.B. RDX oder HMX |
10-20 Gew.-% | Binder, z.B. HTPB |
5-10 Gew.-% | Weichmacher |
0,01-02 Gew.-% | Haftvermittler |
0,05-05 Gew.-% | Gießhilfen |
0,1-1,0 Gew.-% | Antioxidans |
0,1-10 Gew.-% | Metallpulver |
Claims (4)
- Verfahren zur Herstellung gießfähiger kunststoffgebundener Sprengladungen oder Raketentreibstoffen, wobeia) der Sprengladung ein Metallpulver zugesetzt wird, deren Pulverkörner eine im wesentlichen sphärische Form aufweisen und eine Korngröße zwischen 0,1 bis 5 µm besitzen undb) vor dem Einbringen des Metallpulvers in die Sprengstoffmischung ein Absättigen der polaren Gruppen des Metallpulvers durch SiR3-Gruppen , in der R ein organischer Rest ist, erfolgt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß es sich bei dem organischen Rest um einen Alkyl- oder Arylrest handelt.
- Verfahren nach Anspruch 2, dadurch gekennzeichnet, daß zur Absättigung der polaren Gruppen des Metallpulvers Trimethylchlorsilan (Me3SiCl) verwendet wird.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß als Metallpulver Pulver eines oder mehrerer der folgenden Metalle: Vanadin, Niob, Tantal, Chrom, Molybdän oder Wolfram zugesetzt wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10107948A DE10107948A1 (de) | 2001-02-20 | 2001-02-20 | Verfahren zur Herstellung gießfähiger kunststoffgebundener Sprengladungen oder Raketentreibstoffe |
DE10107948 | 2001-02-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1241150A2 EP1241150A2 (de) | 2002-09-18 |
EP1241150A3 EP1241150A3 (de) | 2003-11-05 |
EP1241150B1 true EP1241150B1 (de) | 2005-09-07 |
Family
ID=7674732
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01129902A Expired - Lifetime EP1241150B1 (de) | 2001-02-20 | 2001-12-15 | Verfahren zur Herstellung giessfähiger kunststoffgebundener Sprengladungen oder Raketentreibstoffe |
Country Status (5)
Country | Link |
---|---|
US (1) | US6558488B2 (de) |
EP (1) | EP1241150B1 (de) |
DE (2) | DE10107948A1 (de) |
IL (1) | IL148248A (de) |
NO (1) | NO321219B1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60221679D1 (de) * | 2001-08-27 | 2007-09-20 | Wiley Organics Inc | Alkynylsilane als brennstoff und treibstoffe für raketen |
US8545646B1 (en) * | 2005-06-10 | 2013-10-01 | The United States Of America As Represented By The Secretary Of The Navy | High-density rocket propellant |
US8894739B1 (en) * | 2007-05-23 | 2014-11-25 | The United States Of America As Represented By The Secretary Of The Navy | Metal powders with improved flowability |
US7943084B1 (en) * | 2007-05-23 | 2011-05-17 | The United States Of America As Represented By The Secretary Of The Navy | Metal powders with improved flowability |
DE102010052628A1 (de) | 2010-11-29 | 2012-05-31 | Rheinmetall Waffe Munition Gmbh | Perchloratfreie pyrotechnische Mischung |
RU2524500C1 (ru) * | 2013-02-05 | 2014-07-27 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | ЗАРЯД ДЛЯ ОХОТНИЧЬЕГО ПАТРОНА 7,62×39-9 (С ПУЛЕЙ МАССОЙ 9 г) |
RU2524494C1 (ru) * | 2013-03-06 | 2014-07-27 | Федеральное казенное предприятие "Государственный научно-исследовательский институт химических продуктов" (ФКП "ГосНИИХП") | ЗАРЯД ДЛЯ ОХОТНИЧЬЕГО ПАТРОНА 7,62×39-10 (С ПУЛЕЙ МАССОЙ 10 г) |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2647047A (en) * | 1950-03-06 | 1953-07-28 | Warren B Richardson | Explosive composition |
USRE27025E (en) * | 1960-02-01 | 1971-01-12 | Mcdonald Louis | Process of conditioning particulate materials with an organosilicon coating for use in organic explosives. |
CA928927A (en) * | 1967-11-14 | 1973-06-26 | Kawakita Takao | Nylon molding article and process for producing the same |
CA1060660A (en) * | 1976-10-28 | 1979-08-21 | Her Majesty The Queen In Right Of Canada As Represented By The Minister Of National Defence Of Her Majesty's Canadian Government | Composite explosives |
US4115165A (en) * | 1977-06-23 | 1978-09-19 | Atlas Powder Company | Hydrophobic aluminum sensitizing agents for explosives |
NO144666C (no) * | 1980-02-29 | 1981-10-14 | Dyno Industrier As | Fremgangsmaate for fremstilling av aluminiumholdige hoeyenergisprengstoffblandinger |
DE3234978C1 (de) * | 1982-09-22 | 1984-01-26 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Gegossene Sprengladung |
CA1207588A (en) * | 1983-09-23 | 1986-07-15 | Gordon K. Briosi | Dual-function storage container for prilled explosive |
US4689250A (en) * | 1984-11-16 | 1987-08-25 | Siemens Aktiengesellschaft | Cross-linked polymer coated metal particle filler compositions |
US4696641A (en) * | 1986-08-11 | 1987-09-29 | Gte Products Corporation | Primer material and photoflash lamp |
DE3804396C1 (en) * | 1988-02-12 | 1989-05-18 | Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De | Process for producing plastic-bonded explosives |
US5209976A (en) * | 1988-07-04 | 1993-05-11 | Matsushita Electric Industrial Co., Ltd. | Structure having a surface covered with a monomolecular film |
DE3934368C1 (de) * | 1989-10-14 | 1990-11-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung Ev, 8000 Muenchen, De | |
US5547526A (en) * | 1990-03-06 | 1996-08-20 | Daimler-Benz Aerospace Ag | Pressable explosive granular product and pressed explosive charge |
US5123981A (en) * | 1990-06-14 | 1992-06-23 | Atlas Powder Company | Coated solid additives for explosives |
US5451277A (en) * | 1991-05-09 | 1995-09-19 | Aerojet-General Corporation | Preparing solid energetic compositions from coated particles and liquid oxidizers |
-
2001
- 2001-02-20 DE DE10107948A patent/DE10107948A1/de not_active Withdrawn
- 2001-12-15 DE DE50107360T patent/DE50107360D1/de not_active Expired - Lifetime
- 2001-12-15 EP EP01129902A patent/EP1241150B1/de not_active Expired - Lifetime
- 2001-12-20 NO NO20016257A patent/NO321219B1/no not_active IP Right Cessation
-
2002
- 2002-02-19 IL IL148248A patent/IL148248A/en active IP Right Grant
- 2002-02-20 US US10/077,770 patent/US6558488B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE50107360D1 (de) | 2005-10-13 |
EP1241150A2 (de) | 2002-09-18 |
NO20016257L (no) | 2002-08-21 |
DE10107948A1 (de) | 2002-08-22 |
EP1241150A3 (de) | 2003-11-05 |
IL148248A (en) | 2007-05-15 |
US6558488B2 (en) | 2003-05-06 |
US20030056865A1 (en) | 2003-03-27 |
NO20016257D0 (no) | 2001-12-20 |
IL148248A0 (en) | 2002-09-12 |
NO321219B1 (no) | 2006-04-03 |
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