DE1093717B - Process for the manufacture of shaped high strength rocket propellants from cyclotrimethylene trinitramine - Google Patents

Process for the manufacture of shaped high strength rocket propellants from cyclotrimethylene trinitramine

Info

Publication number
DE1093717B
DE1093717B DED29315A DED0029315A DE1093717B DE 1093717 B DE1093717 B DE 1093717B DE D29315 A DED29315 A DE D29315A DE D0029315 A DED0029315 A DE D0029315A DE 1093717 B DE1093717 B DE 1093717B
Authority
DE
Germany
Prior art keywords
cyclotrimethylene trinitramine
nitroguanidine
high strength
manufacture
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.)
Pending
Application number
DED29315A
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dynamit Nobel AG filed Critical Dynamit Nobel AG
Priority to DED29315A priority Critical patent/DE1093717B/en
Publication of DE1093717B publication Critical patent/DE1093717B/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C06EXPLOSIVES; MATCHES
    • C06BEXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B25/00Compositions containing a nitrated organic compound
    • C06B25/34Compositions containing a nitrated organic compound the compound being a nitrated acyclic, alicyclic or heterocyclic amine
    • CCHEMISTRY; METALLURGY
    • C06EXPLOSIVES; MATCHES
    • C06BEXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B21/00Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
    • C06B21/0033Shaping the mixture
    • C06B21/0041Shaping the mixture by compression

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Reinforced Plastic Materials (AREA)

Description

Verfahren zur Herstellung von geformten Raketentreibsätzen hoher Festigkeit aus Cyclotrimethylentrinitramin Bei der Verwendung von Raketentreibsätzen aus festen Stoffen ist die mechanische Festigkeit derartiger Treibsätze von maßgeblicher Bedeutung. Bei vielen Stoffen können solche Festigkeiten ohne Zuhilfenahme von Bindemitteln wie z. B. Kunstharzen überhaupt nicht erreicht werden. Der Zusatz von Kunstharzen als Binder setzt jedoch in solchen Fällen, in denen Stoffe mit ausgeglichener Sauerstoffbilanz wie Cyclotrimethylentrinitramin Verwendung finden sollen, die Leistung meistens so stark herab, daß der Einsatz eines so hochwertigen Materials nicht mehr sinnvoll ist. Andererseits muß dem Cyclotrimethylentrinitramin sowohl aus Gründen der Verarbeitbarkeit zu einem genügend festen Formteil wie auch aus Gründen der Verringerung der Sensibilität ein Zusatz gemacht werden, der sowohl phlegmatisierend wirkt als auch eine ausreichende Festigkeit und Verarbeitbarkeit gewährleistet, jedoch die energetische Wirksamkeit nicht wesentlich herabmindert.Process for the manufacture of molded high strength rocket propellants made of cyclotrimethylene trinitramine When using solid rocket propellants The mechanical strength of such propellants is of decisive importance. With many substances, such strengths can be achieved without the aid of binders such as B. synthetic resins cannot be achieved at all. The addition of synthetic resins as a binder, however, in those cases in which substances with a balanced oxygen balance how cyclotrimethylene trinitramine should be used, the performance mostly so much that the use of such a high-quality material no longer makes sense is. On the other hand, the cyclotrimethylene trinitramine must be used both for reasons of processability to a sufficiently strong molded part as well as for reasons of reducing sensitivity an addition can be made that has both a phlegmatizing effect and a sufficient one Strength and workability guaranteed, but the energetic effectiveness does not decrease significantly.

Es ist bereits vorgeschlagen worden, bei der Verformung von Explosivstoffen diesen organische Faserstoffe einzuverleiben, wodurch die Festigkeit daraus hergestellter Gebilde erhöht wird. Diese müssen jedoch, um eine ausreichende Verfestigung zu erzielen, in erheblichen Mengen zugefügt werden, wodurch bei der Verwendung solcher Gemische als Treibsätze Unregelmäßigkeiten im Abbrand entstehen, außerdem die Sauerstoffbilanz, wie bereits oben ausgeführt, erheblich gestört wird. Um den dargestellten Forderungen zu genügen, muß der Zusatzstoff selbst eine möglichst ausgeglichene Sauerstoffbilanz besitzen; er muß also zweckmäßig selbst Sprengstoffcharakter besitzen, jedoch mit ausgesprochen geringer Sensibilität und von feinfaseriger Struktur sein zur Vermittlung der erforderlichen Festigkeit.It has been suggested in the deformation of explosives incorporate these organic fibers, thereby increasing the strength of them Structure is increased. However, in order to achieve sufficient consolidation, these must can be added in significant amounts, thereby reducing the use of such mixtures as propellants, irregularities occur in the combustion, as well as the oxygen balance, as already stated above, is significantly disturbed. To the presented claims To be sufficient, the additive itself must have an oxygen balance that is as balanced as possible own; it must therefore expediently have the character of an explosive itself, but with to be extremely low sensitivity and of fine-grained structure for mediation the required strength.

Es wurde nun gefunden, daß Nitroguanidin in feinfaseriger Form in hervorragender Weise geeignet ist als Zusatzstoff für die Herstellung von festen Raketentreibsätzen aus Cyclotrimethylentrinitramin. Als feinfaseriges Nitroguanidin eignen sich hierzu insbesondere Nitroguanidinkristalle, deren Länge 20 bis 100 R. und deren Breite 1,5 bis 5 [, beträgt. Da gepreßtes Cyclotrimethylentrinitramin allein keinerlei Festigkeit besitzt, wird durch den Zusatz des feinfaserigen Nitroguanidins erreicht, daß matt Treibsätze von großer mechanischer Festigkeit, hoher Leistung und guter Handhabungssicherheit auf der Basis von Cyclotrimethylentrinitramin benutzen kann.It has now been found that nitroguanidine in fine fiber form in Is eminently suitable as an additive for the production of solid Rocket propellants made from cyclotrimethylene trinitramine. As fine-fiber nitroguanidine Nitroguanidine crystals with a length of 20 to 100 R. and the width of which is 1.5 to 5 [. Because pressed cyclotrimethylene trinitramine alone has no strength, is due to the addition of the fine-fiber nitroguanidine achieved that matt propellants of great mechanical strength, high performance and good handling safety based on cyclotrimethylene trinitramine can.

Das Nitroguanidin, das in feinfaseriger Form der genannten Größenordnung verwendet wird, wird in Mengen von etwa 25 bis 50% dem Cyclotrimethylentrinitramin zugesetzt, die Komponenten innig vermischt und in der üblichen Art und Weise zu Treibsatzformlingen mittels Pressen oder Schneckenpressen verarbeitet.The nitroguanidine, which is in fine fibrous form of the order of magnitude mentioned is used in amounts of about 25 to 50% of the cyclotrimethylene trinitramine added, the components are intimately mixed and in the usual way Processed propellant moldings by means of presses or screw presses.

Bei der Verarbeitung auf Schneckenpressen kann man so verfahren, daß eine nasse Mischung, wie sie 'beispielsweise durch Zentrifugieren oder Absaugen auf Nutschen erhalten wird, in der Schneckenpresse bei der Verformung weitestgehend entwässert wird und der erhaltene Formkörper, der nunmehr nur noch wenige Prozente Feuchtigkeit enthält, nachträglich durch Trocknung wasserfrei gemacht wird.When processing on screw presses one can proceed in such a way that a wet mixture, such as that obtained by centrifugation or suction is obtained on suction filters, in the screw press during deformation as far as possible is dehydrated and the molded body obtained, which is now only a few percent Contains moisture, is subsequently rendered anhydrous by drying.

Claims (3)

PATENTANSPRÜCHE: 1. Verfahren zur Herstellung von geformten Raketentreibsätzen hoher Festigkeit aus Cyclotrimethylentrinitramin, dadurch gekennzeichnet, daß man dem Cyclotrimethylentrinitramin feinfaseriges Nitroguanidin, und zwar insbesondere Nitroguanidinkristalle, deren Länge 20 bis 100 w und deren Breite 1,5 bis 5 #t beträgt, in Mengen von etwa 25% und mehr zusetzt und die innige Mischung dieser Substanzen auf Pressen oder Schneckenpressen verdichtet. PATENT CLAIMS: 1. A process for the production of shaped rocket propellants of high strength from cyclotrimethylene trinitramine, characterized in that finely fibrous nitroguanidine, in particular nitroguanidine crystals, the length of which is 20 to 100 w and the width of 1.5 to 5 #t, is added to the cyclotrimethylene trinitramine in quantities of about 25% and more is added and the intimate mixture of these substances is compressed on presses or screw presses. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß ein wasserhaltiges Gemisch aus Cyclotrimethylentrinitramin und feinfaserigem Nitroguanidin verwendet wird und dieses bei der Verdichtung und Verformung in Schneckenpressen weitestgehend entwässert wird. 2. The method according to claim 1, characterized characterized in that a water-containing mixture of cyclotrimethylene trinitramine and fine-fiber nitroguanidine is used and this is used for compression and deformation is largely dewatered in screw presses. 3. Verfahren nach Anspruch 1 und 2, dadurch gekennzeichnet, daß die Treibsatzmischung bis zu 50°/o Nitroguanidin enthält. In Betracht gezogene Druckschriften: Deutsche Patentschriften Nr. 1010 888, 1048 528.3. The method according to claim 1 and 2, characterized in that the propellant mixture contains up to 50% nitroguanidine. Considered publications: German Patent Specifications No. 1 010 888, 1 048 528.
DED29315A 1958-11-07 1958-11-07 Process for the manufacture of shaped high strength rocket propellants from cyclotrimethylene trinitramine Pending DE1093717B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DED29315A DE1093717B (en) 1958-11-07 1958-11-07 Process for the manufacture of shaped high strength rocket propellants from cyclotrimethylene trinitramine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED29315A DE1093717B (en) 1958-11-07 1958-11-07 Process for the manufacture of shaped high strength rocket propellants from cyclotrimethylene trinitramine

Publications (1)

Publication Number Publication Date
DE1093717B true DE1093717B (en) 1960-11-24

Family

ID=7040037

Family Applications (1)

Application Number Title Priority Date Filing Date
DED29315A Pending DE1093717B (en) 1958-11-07 1958-11-07 Process for the manufacture of shaped high strength rocket propellants from cyclotrimethylene trinitramine

Country Status (1)

Country Link
DE (1) DE1093717B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1238369B (en) * 1961-03-07 1967-04-06 Du Pont Self-supporting explosive preparations and process for their manufacture
WO1999035108A1 (en) * 1998-01-05 1999-07-15 Dynamit Nobel Gmbh Explosivstoff- Und Systemtechnik Propellant explosive

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1238369B (en) * 1961-03-07 1967-04-06 Du Pont Self-supporting explosive preparations and process for their manufacture
WO1999035108A1 (en) * 1998-01-05 1999-07-15 Dynamit Nobel Gmbh Explosivstoff- Und Systemtechnik Propellant explosive

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