DE2141408A1 - Composite explosive - Google Patents
Composite explosiveInfo
- Publication number
- DE2141408A1 DE2141408A1 DE19712141408 DE2141408A DE2141408A1 DE 2141408 A1 DE2141408 A1 DE 2141408A1 DE 19712141408 DE19712141408 DE 19712141408 DE 2141408 A DE2141408 A DE 2141408A DE 2141408 A1 DE2141408 A1 DE 2141408A1
- Authority
- DE
- Germany
- Prior art keywords
- explosive
- parts
- composite
- polyvinyl alcohol
- polyvinyl
- 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.)
- Granted
Links
- 239000002360 explosive Substances 0.000 title claims description 34
- 239000002131 composite material Substances 0.000 title claims description 16
- 239000011230 binding agent Substances 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 7
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- 229920001004 polyvinyl nitrate Polymers 0.000 claims description 6
- 229910002651 NO3 Inorganic materials 0.000 claims description 5
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 5
- 150000002148 esters Chemical class 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 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 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- ZHUOILWIVVAZJZ-UHFFFAOYSA-N nitric acid pentane Chemical group [N+](=O)(O)[O-].[N+](=O)(O)[O-].[N+](=O)(O)[O-].CCCCC ZHUOILWIVVAZJZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 4
- RUKISNQKOIKZGT-UHFFFAOYSA-N 2-nitrodiphenylamine Chemical compound [O-][N+](=O)C1=CC=CC=C1NC1=CC=CC=C1 RUKISNQKOIKZGT-UHFFFAOYSA-N 0.000 claims description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000028 HMX Substances 0.000 claims description 2
- 239000006057 Non-nutritive feed additive Substances 0.000 claims description 2
- 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 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- -1 fatty acid salts Chemical class 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 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 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 2
- 239000011118 polyvinyl acetate Substances 0.000 claims description 2
- 239000002002 slurry Substances 0.000 claims 2
- 239000000126 substance Substances 0.000 claims 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 239000000020 Nitrocellulose Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229920001220 nitrocellulos Polymers 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000001721 transfer moulding Methods 0.000 description 2
- XBPKLQLAMBBPMF-UHFFFAOYSA-N CCCCCC.[N+](=O)(O)[O-].[N+](=O)(O)[O-].[N+](=O)(O)[O-] Chemical compound CCCCCC.[N+](=O)(O)[O-].[N+](=O)(O)[O-].[N+](=O)(O)[O-] XBPKLQLAMBBPMF-UHFFFAOYSA-N 0.000 description 1
- SNIOPGDIGTZGOP-UHFFFAOYSA-N Nitroglycerin Chemical compound [O-][N+](=O)OCC(O[N+]([O-])=O)CO[N+]([O-])=O SNIOPGDIGTZGOP-UHFFFAOYSA-N 0.000 description 1
- 239000000006 Nitroglycerin Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- LYAGTVMJGHTIDH-UHFFFAOYSA-N diethylene glycol dinitrate Chemical compound [O-][N+](=O)OCCOCCO[N+]([O-])=O LYAGTVMJGHTIDH-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229960003711 glyceryl trinitrate Drugs 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000007 visual effect Effects 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
- C06B45/04—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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Molecular Biology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Description
350350
Werkzeugmaschinenfabrik Oerlikon-Bührle AGMachine tool factory Oerlikon-Bührle AG
8050 Zürich8050 Zurich
CompositsprengstoffComposite explosive
Die Erfindung bezieht sich auf einen Compositsprengstoff, aufweisend einen hochbrisanten, kristallinen Sprengstoff, welcher in einen Binder eingebettet ist.The invention relates to a composite explosive having a highly explosive, crystalline explosive that is embedded in a binder.
Ein bekannter Compositsprengstoff dieser Art besteht aus einem hochbrisanten, kristallinen Sprengstoff und einem Binder auf der Basis von plastifizierter Nitrocellulose. Bei der Verwendung von Nitrocellulose als Binder wird der Zusatz eines Lösungsmittels, beispielsweise Azeton, erforderlich, um die Verarbeitung zu ermöglichen. Dieses Lösungsmittel muss später wieder entfernt werden, was umständliche Operationen erfordert und nicht vollständig gelingt.A well-known composite explosive of this type consists of a highly explosive, crystalline explosive and a binder on the Based on plasticized nitrocellulose. When using nitrocellulose as a binder, the addition of a solvent, e.g. acetone, required to enable processing. This solvent has to be removed again later which requires cumbersome operations and does not completely succeed.
209811/1144209811/1144
% 2UH08 % 2UH08
Es ist die Aufgabe der Erfindung, diesen Nachteil des bekannten Compositsprengstoffes zu vermeiden. Erfindungsgemäss gelingt dies dadurch, dass der Binder aus 30 bis 70 Teileieines Esters des Polyvinylalkohols besteht, der mit 70 bis 30 Teilen eines flüssigen, organischen Nitrates plastifiziert ist.It is the object of the invention to avoid this disadvantage of the known composite explosive. Succeeds according to the invention this in that the binder is composed of 30 to 70 parts of an ester of the polyvinyl alcohol, with 70 to 30 parts of a liquid, organic nitrate is plasticized.
Als flüssiges organisches Nitrat wird Nitroglycerin, Diäthylenglykoldinitrat, Hexantrinitrat oder Pentantrinitrat verwendet, wobei sich die Verwendung von Pentantrinitrat als besonders vorteilhaft erwiesen hat. Als geeignete Polyvinylester können PoIyvinylnitrat, hergestellt aus Polyvinylalkohol mit einer MolmasseAs liquid organic nitrate, nitroglycerin, diethylene glycol dinitrate, Hexane trinitrate or pentane trinitrate is used, the use of pentane trinitrate being particularly advantageous has proven. Polyvinyl nitrate, made from polyvinyl alcohol with a molecular weight
4 5
von 4 «10 bis 1·10 g/Mol und Polyvinylacetat mit einer Molmasse
von 5·10 bis 2«10 g/Mol verwendet werden, wobei das Polyvinylnitrat
zweckmässig mit 2-Nitrodiphenylamin zu stabilisieren ist.4 5
from 4 × 10 to 1 × 10 6 g / mol and polyvinyl acetate with a molar mass of 5 × 10 to 2 × 10 g / mol can be used, the polyvinyl nitrate expediently being stabilized with 2-nitrodiphenylamine.
Der Compositsprengstoff besteht aus 60 bis 85 Teilen des hochbrisanten, kristallinen Sprengstoffes, 40 bis 15 Teilen des genannten Binders und 0,5 bis 2 Teilen eines verarbeitungstechnischen Hilfsstoffes. Als hochbrisante, kristalline Sprengstoffe kommen vornehmlich Hexogen, Octogen und Nitropenta in Frage und als verarbeitungstechnische Hilfsstoffe eignen sich insbesondere Paraffin und Fettsäuresalze, wie z.B. Pb-Stearat.The composite explosive consists of 60 to 85 parts of the highly explosive, crystalline explosive, 40 to 15 parts of the above Binder and 0.5 to 2 parts of a processing aid. As highly explosive, crystalline explosives hexogen, octogen and nitropenta are primarily suitable and processing auxiliaries are particularly suitable Paraffin and fatty acid salts such as Pb stearate.
Je nach Zusammensetzung der Feststoff- und Binderkomponenten Innerhalb der angegebenen Grenzen entstehen plastische Explosivkörper mit unterschiedlichen mechanischen Eigenschaften und mit Detonationsgeschwindigkeiten im Bereich zwischen 3000 und 8500 m/sec.Depending on the composition of the solid and binder components, plastic explosive bodies are created within the specified limits with different mechanical properties and with detonation speeds in the range between 3000 and 8500 m / sec.
209811/1144209811/1144
So weist beispielsweise ein Compositsprengstoff, der aus 80 Teilen Hexogen, 10 Teilen Polyvinylnitrat, 10 Teilen Pentantrinitrat und 1 Teil Paraffin hergestellt ist und der bei Temperaturen von 60 bis 700C mit einem Pressdruck von J500 kp/cm verpresst wird, eine Detonationsgesehwindigkeit von 8l00 m/sec auf.For example, a Compositsprengstoff consisting of 80 parts of hexogen, 10 parts of polyvinyl nitrate, 10 parts Pentantrinitrat and 1 part of paraffin is made and which is at temperatures of 60 to 70 0 C and a pressure of J500 kp / cm pressed, a Detonationsgesehwindigkeit of 8l00 m / sec.
Zur weiteren Erhellung der Erfindung wird im folgenden ein Verfahren zur Herstellung des plastischen Compositsprengstoffes annand eines Beispieles erläutert:To further illustrate the invention, the following is a method for the production of the plastic composite explosive annand an example explained:
In einen laufenden auf 80°C geheizten 2,5 Liter-Laborkneter werden innerhalb von 20 Minuten der Reihe nach 440 g Wasser, kkO g Hexogen mit einer Korngrösse kleiner 60 /at 2,25 g Paraffin und 55 g Pentantrinitrat gegeben. Nach weiteren 20 Minuten mischen liegt nach visueller Beurteilung ein homogener Brei vor. Anschliessend werden bei laufendem Kneter innerhalb von 15 Minu» ten 55 g Polyvinylnitrat mit einer Korngrösse von 50 bis 200 M0 In a running 2.5 liter laboratory kneader heated to 80 ° C., 440 g of water, kkO g of hexogen with a particle size of less than 60 / a t 2.25 g of paraffin and 55 g of pentane trinitrate are added in succession over the course of 20 minutes. After a further 20 minutes of mixing, a homogeneous paste is present according to visual assessment. Then, with the kneader running, 55 g of polyvinyl nitrate with a particle size of 50 to 200 M 0 are added within 15 minutes
welches mit 2-Nitrodiphenylamin stabilisiert ist, hlnzugoge-which is stabilized with 2-nitrodiphenylamine,
Λ ben. Nach etwa 2 Stunden bilden sich Klumpen und nach insgesamt ' 3 Y2 Stunden mischen im offenen Kneter, wobei die Temperatur des Inhalts auf ungefähr 700C gehalten wird, hat sich das Wasser weitgehendst verflüchtigt. Anschliessend wird unter Vakuum während 1 Stunde das restliche Wasser entfernt. Schliesslieli erhält man nach einer weiteren Stunde Kneten unter Normaldruck ' eine homogene, plastische Masse, die bequem aus dem Kneter entfernt werden kann. Λ practice . After about 2 hours, lumps form and after a total of 3 1/2 hours of mixing in an open kneader, the temperature of the contents being kept at about 70 ° C., the water has largely evaporated. The remaining water is then removed under vacuum for 1 hour. Finally, after a further hour of kneading under normal pressure, a homogeneous, plastic mass is obtained which can easily be removed from the kneader.
20981 1/120981 1/1
2UU082UU08
Anstelle des Wassers, welches zur Beschleunigung der Vermischung und gleichzeitig zur Phlegmatisierung des hochbrisanten, kristallinen Sprengstoffes eingesetzt wird, kann auch Alkohol verwendet werden.Instead of the water, which is used to accelerate the mixing and at the same time to phlegmatize the highly explosive, crystalline explosive is used, alcohol can also be used.
Durch Umkehrung der Mischannbewegung und Abkühlung des .Kneterinhaltes kann auch ein grobkörniges Granulat mit einer Korngrösse von 1 bis 5 mm erzeugt werden.By reversing the mixer movement and cooling the contents of the mixer Coarse granules with a grain size of 1 to 5 mm can also be produced.
Der vorstehend beschriebene plastische Compositsprengstoff eignet sich besonders zur Herstellung von Hohlladungen. Infolge seiner Homogenität zeigen die mit ihm hergestellten Hohlladungen sehr geringe Leistungsstreuungen. Ueberdies ist die Beschussempfindlichkeit dieses plastischen Comppsitsprengstoffes sehr klein.The plastic composite explosive described above is particularly suitable for the production of shaped charges. As a result Due to its homogeneity, the shaped charges produced with it show very little power variation. In addition, the bombardment sensitivity this plastic composite explosive is very small.
Die Weiterverarbeitung der nach vorstehendem Beispiel hergestellten plastischen Sprengstoffe, z.B. die endgültige Formgebung für Hohlladungen, kann nach verschiedenen, der Produktion angepassten Verfahren erfolgen, z.B. durch Umpressen von extrudieren Rohlingen, durch Verpressen von Granulat oder durch Spritzpressen, wobei durch Variation der Peststoff-Binderverhältnisse und beim Binder durch Aenderung der Polymer-Weichsacherverhältnisse die Verarbeitungseigenschaften des Pulvers dem gewählten Verfahren angepasst werden können. Die beim Pres» sen und Spritzpressen angewendeten Drücke und Temperaturen bewegen sich im Bereich von 100 bis 500 kp/cm und 50 bis 90 C.The further processing of the prepared according to the previous example Plastic explosives, e.g. the final shape for shaped charges, can be different according to the production adapted processes are carried out, e.g. by pressing extrusion Blanks, by pressing granules or by transfer molding, whereby by varying the pesticide-binder ratios and in the case of the binder by changing the polymer / plasticizer ratios the processing properties of the powder can be adapted to the selected process. The one at the press » The pressures and temperatures used in transfer molding and injection molding are in the range of 100 to 500 kp / cm and 50 to 90 C.
20981 1/1 UA20981 1/1 UA
Claims (8)
kristallinen Sprengstoff, welcher in einen Binder, eingebettet ist, dadurch gekennzeichnet, dass der Binder aus a.) 30 bis 70 Teilen eines Esters des Polyvinylalkohole1. Composite explosives, having a highly explosive,
crystalline explosive, which is embedded in a binder, characterized in that the binder is composed of a.) 30 to 70 parts of an ester of polyvinyl alcohol
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1308670A CH544045A (en) | 1970-09-02 | 1970-09-02 | Composite explosive and method of making same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2141408A1 true DE2141408A1 (en) | 1972-03-09 |
| DE2141408B2 DE2141408B2 (en) | 1973-03-01 |
| DE2141408C3 DE2141408C3 (en) | 1973-09-20 |
Family
ID=4389163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19712141408 Expired DE2141408C3 (en) | 1970-09-02 | 1971-08-18 | explosive |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE771764A (en) |
| CH (1) | CH544045A (en) |
| DE (1) | DE2141408C3 (en) |
| FR (1) | FR2106179A5 (en) |
| GB (1) | GB1334419A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4415255A1 (en) * | 1994-04-30 | 1995-11-02 | Fraunhofer Ges Forschung | Pyrotechnic charge to release trapped compressed gas |
-
1970
- 1970-09-02 CH CH1308670A patent/CH544045A/en not_active IP Right Cessation
-
1971
- 1971-08-17 GB GB3844071A patent/GB1334419A/en not_active Expired
- 1971-08-18 DE DE19712141408 patent/DE2141408C3/en not_active Expired
- 1971-08-25 BE BE771764A patent/BE771764A/en unknown
- 1971-08-30 FR FR7131277A patent/FR2106179A5/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4415255A1 (en) * | 1994-04-30 | 1995-11-02 | Fraunhofer Ges Forschung | Pyrotechnic charge to release trapped compressed gas |
| US5623121A (en) * | 1994-04-30 | 1997-04-22 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Pyrotechnic charge for releasing enclosed pressurized gas |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1334419A (en) | 1973-10-17 |
| BE771764A (en) | 1971-12-31 |
| CH544045A (en) | 1973-11-15 |
| DE2141408C3 (en) | 1973-09-20 |
| DE2141408B2 (en) | 1973-03-01 |
| FR2106179A5 (en) | 1972-04-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |