EP0781260B1 - Elements et compositions d'amor age a sensibilite finement reglable - Google Patents

Elements et compositions d'amor age a sensibilite finement reglable Download PDF

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Publication number
EP0781260B1
EP0781260B1 EP95932725A EP95932725A EP0781260B1 EP 0781260 B1 EP0781260 B1 EP 0781260B1 EP 95932725 A EP95932725 A EP 95932725A EP 95932725 A EP95932725 A EP 95932725A EP 0781260 B1 EP0781260 B1 EP 0781260B1
Authority
EP
European Patent Office
Prior art keywords
heat
dissipating
ignition
firing element
parts
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
Application number
EP95932725A
Other languages
German (de)
English (en)
Other versions
EP0781260A1 (fr
Inventor
Günther Faber
Helmut ZÖLLNER
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
Dynamit Nobel GmbH Explosivstoff und Systemtechnik
Original Assignee
Dynamit Nobel AG
Dynamit Nobel GmbH Explosivstoff und Systemtechnik
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, Dynamit Nobel GmbH Explosivstoff und Systemtechnik filed Critical Dynamit Nobel AG
Priority to EP01103794A priority Critical patent/EP1110928A1/fr
Publication of EP0781260A1 publication Critical patent/EP0781260A1/fr
Application granted granted Critical
Publication of EP0781260B1 publication Critical patent/EP0781260B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • C06B45/12—Compositions or products which are defined by structure or arrangement of component of product having contiguous layers or zones
    • C06B45/14—Compositions or products which are defined by structure or arrangement of component of product having contiguous layers or zones a layer or zone containing an inorganic explosive or an inorganic explosive or an inorganic thermic component
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
    • C06C7/00—Non-electric detonators; Blasting caps; Primers
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
    • C06C9/00—Chemical contact igniters; Chemical lighters

Definitions

  • the invention relates to finely graduated primers for Kindling and kindling.
  • igniters and igniters are essentially determined by two factors.
  • the reaction products should be rich in particles if possible and these particles should be as hot as possible
  • a transport gas must be provided for the particles so that the particles penetrate the propellant charge as well as possible.
  • the transport gas should also have a correspondingly high temperature in order to maintain the particle temperature.
  • Igniters and igniters containing a pyrotechnic fuel based on B / KNO 3 or Ti / Ba (NO 3 ) 2 or TiH x / Ba (NO 3 ) 2 with x ⁇ 1 or Zr / Ba (NO 3 ) 2 and nitrocellulose but also igniters and igniters containing zirconium and potassium perchlorate generally meet these requirements.
  • the so-called electrical Characteristic data are the ignition sensitivity (Aze), Ignition insensitivity (Azu) and the ignition delay time (Azvz) of the individual sentences.
  • the insensitivity to ignition says something about safety and ignitability or ignition delay time somewhat above that Ignition sensitivity of the primers.
  • primers with either sufficiently high sensitivity to ignition but with too high values for the ignition sensitivity or the ignition delay time, i.e. with too little Ignition sensitivity or primers with enough low ignition sensitivity and ignition delay time, but not known to be insensitive to ignition.
  • the object of the present invention was to ignite and ignition elements, hereinafter referred to as ignition elements, to provide, in addition to sufficient Performance depending on the application, finely graduated values for the sensitivity to ignition and the sensitivity to ignition exhibit without significantly affecting the ignition delay time becomes.
  • Ignition elements according to claims 1-12, and in particular by the provision and combination of two in their properties different primers.
  • the so-called glow wire set responsible for the electrical characteristics, during the 2nd primer, the so-called benefit rate, is responsible for the Power.
  • the Ensuring high heat dissipation in the filament set is of particular importance.
  • This heat-dissipating additive will selected from substances known to absorb heat can draw heat from the environment. Examples of such substances can be inorganic or also be organic in nature, such as metals, metal compounds or organometallic compounds.
  • metals or metal compounds are provided according to the invention as heat-dissipating components.
  • Zirconium, aluminum, titanium and / or ferrotitanium are preferably used as metals.
  • Zircon is particularly preferred.
  • borides and hydrides of the metals mentioned can be used as metal compounds.
  • Zirconium boride and zirconium hydride are particularly preferred.
  • the glow wire sets of the ignition elements according to the invention contain at least one initial explosive, for example lead azide, diazodinitrophenol, silver azide, tricinate or picrate, preferably lead picrate, and an oxidizing agent, for example alkali metal or alkaline earth metal nitrate, chlorate, perchlorate, preferably KClO 3 and / or KClO 4 , particularly preferably KClO 4 and a binder.
  • the binder is not only responsible for the connection of the individual components, but also for the temperature resistance of the ignition elements; they should have a temperature resistance of> 85 ° C.
  • Binders suitable according to the invention are therefore polyvinyl acetate, polysulfone or polyethersulfone. Polyvinyl acetate is preferably used. While the heat-dissipating additive is intended to increase sensitivity to ignition, the initial explosive used is responsible for ensuring the necessary sensitivity to ignition.
  • Glow wire sets according to the first embodiment which are suitable according to the invention are composed of 20 to 80 parts of initial explosive, preferably lead picrate, 20 to 80 parts of a mixture of heat-dissipating additive and oxidizing agent and 1 to 6 parts of binder. The mixture of heat-dissipating additive and oxidizing agent is composed of 60 to 90 parts of heat-dissipating additive and 10 to 40 parts of oxidizing agent.
  • a heat-dissipating Initial explosive preferably silver azide
  • other heat-dissipating Components such as metals, metal compounds or organometallic compounds provided.
  • metals metal compounds
  • the particular advantage in use of silver azide lies in the fact that it is also known as heat-dissipating additive acts and in its capacity Ignition sensitivity as an initial explosive improved.
  • the glow wire set consists of 100 Parts of silver azide and 1 to 6, preferably 4 parts Binder.
  • Binder As a binder with the same functions as in the first embodiment, it is preferred Polyvinyl acetate used.
  • the power set consists of a component that generates hot reaction particles, one of the oxidizing agents mentioned above and one of the said binding agents.
  • a component that generates hot reaction particles zircon in its different crystal modifications, titanium or their mixtures is suitable.
  • KClO 3 and / or KClO 4 preferably KClO 4
  • the same substances are preferably used as binders as for the filament set.
  • Power sets suitable according to the invention are composed of 30 to 80 parts of zirconium, titanium or mixtures thereof, 20 to 70 parts of oxidizing agent, preferably KClO 4 and 1 to 6 parts of binder.
  • a mixture of 60 parts of zircon, 40 parts of KClO 4 and 4 parts of polyvinyl acetate is preferably used.
  • the ignition elements according to the invention are manufactured for example as follows.
  • the components of the filament set and the benefit rate are sieved and in the binder dissolved in a suitable solvent slurried. If you use polyvinyl acetate as a binder, so butyl acetate is a suitable solvent.
  • This slurry is made submersible, i.e. the viscosity is adjusted accordingly.
  • Ignition elements are generally in shape made from squibs.
  • a common squib consists for example of two electrically conductive, elongated pole supports (lamellae), which by means of a insulating web are connected and one, the pole carrier connecting glow plug.
  • a primer body is immersed several times in the primer slurry in such a way that the 1st primer is the glow plug encloses.
  • the diving process is repeated until the sufficient amount for the respective application Glow wire set mixture is applied.
  • For the 1st primer Amounts of 6 to 10 mg have proven themselves.
  • the solvent given to evaporate After the filament set is in in the same way the power set as a sheath around the filament set upset. For this sentence too Repeat the dive until the one for each Intended use sufficient amount of power rate mix is applied.
  • primer weight for the entire squib have 50 to 100, preferably 65 to 85 mg proven. After the squib was dried for 24 hours the squib is still covered with a 20% varnish coated with the respective binder and again 48 h dried.
  • the primers according to the invention can be used according to the Binders are used in high temperature resistant Ignition elements.
  • Used as a binder for example Polysulfone or polyethersulfone used, can the primers according to the invention at temperatures of up to 250 ° C can be used.
  • the invention Ignition elements are particularly suitable for the Ignition of propellants that have long exposure times hot flame and insensitive propellants, where hot metallic particles are needed become.

Claims (12)

  1. Elément d'amorçage constitué d'une combinaison de deux dispositifs d'amorçage, caractérisé par le fait que le premier dispositif d'amorçage (dispositif à filament chauffant) contient au moins un explosif initial, au moins un additif dissipateur de chaleur, au moins un agent oxydant et un liant, et que le deuxième dispositif d'amorçage (charge relais), contient au moins un composant formant des particules réactionnelles chaudes, un agent oxydant et un liant.
  2. Elément d'amorçage selon la revendication 1, caractérisé par le fait que l'on utilise, comme explosif initial du dispositif à filament chauffant, de l'azoture de plomb, du diazodinitrophénol, de l'azoture d'argent, du picrate ou du trizinate, de préférence du picrate de plomb.
  3. Elément d'amorçage constitué d'une combinaison de deux dispositifs d'amorçage, caractérisé par le fait que le premier dispositif d'amorçage (dispositif à filament chauffant) contient un explosif initial dissipateur de chaleur ou un explosif dissipateur de chaleur avec un additif dissipateur de chaleur et un liant, et que le deuxième dispositif d'amorçage (charge relais) contient au moins un composant formant des particules réactionnelles chaudes, un agent oxydant et un liant.
  4. Elément d'amorçage selon la revendication 3, caractérisé par le fait qu'il utilise, en tant que explosif initial dissipateur de chaleur, de l'azoture d'argent.
  5. Elément d'amorçage selon une des revendications 1 à 4, caractérisé par le fait que l'on utilise, en tant qu'additif dissipateur de chaleur, des substances thermoabsorbantes organiques ou minérales, de préférence des métaux, des composés métalliques ou des composés organométalliques.
  6. Elément d'amorçage selon une des revendications 1 à 5, caractérisé par le fait que l'on utilise en tant qu'additif dissipateur de chaleur du zirconium, de l'aluminium, du titane, du ferrotitane, des composés métalliques, de préférence du borure de zirconium ou de l'hydrure de zirconium, ou un mélange de tels additifs dissipateurs de chaleur.
  7. Elément d'amorçage selon une des revendications 1 à 6,
    caractérisé par le fait que le composant formant des particules réactionnelles chaudes dans la charge relais est constitué de différentes variétés cristallines de zirconium, de titane ou de mélanges de ceux-ci.
  8. Elément d'amorçage selon une des revendications 1 à 7, caractérisé par le fait que l'on utilise comme agent oxydant du KClO3 et/ou du KClO4.
  9. Elément d'amorçage selon l'une quelconque des revendications 1 à 8, caractérisé par le fait que l'on utilise, en tant que liant, du poly(acétate de vinyle), de la polysulfone ou de la poly(éther sulfone), de préférence du poly(acétate de vinyle).
  10. Elément d'amorçage selon l'une quelconque des revendications 1 et 2, caractérisé par le fait que le dispositif à filament chauffant contient de 20 à 80 parties de picrate, de 80 à 20 parties d'un mélange d'un additif dissipateur de chaleur selon la revendication 5 et d'un agent d'oxydation selon la revendication 8, et de 1 à 6 parties d'un liant selon la revendication 9, de préférence 4 parties de liant selon la revendication 9.
  11. Elément d'amorçage selon la revendication 10, caractérisé par le fait que le mélange d'additif dissipateur de chaleur et d'agent oxydant est constitué de 60 à 90 parties d'additif dissipateur de chaleur et de 10 à 40 parties de KClO4.
  12. Elément d'amorçage selon une des revendications 3 à 9, caractérisé par le fait que le dispositif à filament chauffant est constitué de 100 parties d'explosif initial dissipateur de chaleur, de préférence d'azoture d'argent, et de 1 à 6 parties, de préférence de 4 parties, de liant.
EP95932725A 1994-09-13 1995-09-12 Elements et compositions d'amor age a sensibilite finement reglable Expired - Lifetime EP0781260B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01103794A EP1110928A1 (fr) 1994-09-13 1995-09-12 Element d'amorcage et compositions d'amorcage à sensibilité finement réglable

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4432521 1994-09-13
DE4432521 1994-09-13
PCT/EP1995/003589 WO1996008454A1 (fr) 1994-09-13 1995-09-12 Elements et compositions d'amorçage a sensibilite finement reglable

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP01103794A Division EP1110928A1 (fr) 1994-09-13 1995-09-12 Element d'amorcage et compositions d'amorcage à sensibilité finement réglable

Publications (2)

Publication Number Publication Date
EP0781260A1 EP0781260A1 (fr) 1997-07-02
EP0781260B1 true EP0781260B1 (fr) 2001-12-12

Family

ID=6528065

Family Applications (2)

Application Number Title Priority Date Filing Date
EP01103794A Withdrawn EP1110928A1 (fr) 1994-09-13 1995-09-12 Element d'amorcage et compositions d'amorcage à sensibilité finement réglable
EP95932725A Expired - Lifetime EP0781260B1 (fr) 1994-09-13 1995-09-12 Elements et compositions d'amor age a sensibilite finement reglable

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP01103794A Withdrawn EP1110928A1 (fr) 1994-09-13 1995-09-12 Element d'amorcage et compositions d'amorcage à sensibilité finement réglable

Country Status (8)

Country Link
EP (2) EP1110928A1 (fr)
JP (1) JPH10505573A (fr)
KR (1) KR100407715B1 (fr)
AT (1) ATE210619T1 (fr)
CZ (1) CZ296695B6 (fr)
DE (2) DE59509947D1 (fr)
PL (1) PL181960B1 (fr)
WO (1) WO1996008454A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19912622A1 (de) * 1998-03-20 1999-09-23 Dynamit Nobel Ag Durch elektrische Auslösung anzündbare Initialexplosivstoffe und Anzündsätze
ATE425131T1 (de) * 1999-12-03 2009-03-15 Ruag Ammotec Gmbh Anzündmittel für treibladungspulver
DE10125079C1 (de) * 2001-05-23 2003-01-09 Tdw Verteidigungstech Wirksys Sprengladung für einen Gefechtskopf
US6905562B2 (en) * 2003-09-04 2005-06-14 Autoliv Asp, Inc. Low density slurry bridge mix
RU2484077C2 (ru) * 2011-04-11 2013-06-10 Витаутас Валентинович Сенкус Горючая смесь и способ ее зажигания
RU2538263C1 (ru) * 2013-06-26 2015-01-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кемеровский государственный университет" (КемГУ) Способ регулирования порога инициирования оптического детонатора
JP6648161B2 (ja) * 2016-01-27 2020-02-14 第一稀元素化学工業株式会社 硼化ジルコニウム及びその製造方法
DE102019116464A1 (de) * 2019-06-18 2020-12-24 NEFZER SPECIAL EFFECTS GmbH Filmeffektzünder und Verfahren zum Herstellen
JP2023096436A (ja) * 2021-12-27 2023-07-07 日本化薬株式会社 点火薬、およびそれを含む点火器

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE552935A (fr) * 1955-11-30
US3017300A (en) * 1956-06-21 1962-01-16 Phillips Petroleum Co Pelleted igniter composition and method of manufacturing same
US3499386A (en) * 1962-11-29 1970-03-10 Dynamit Nobel Ag Primer
CH450990A (de) * 1964-02-11 1968-05-15 Du Pont Knallzündschnur
US3211097A (en) * 1964-06-29 1965-10-12 Kenneth R Foote Pyrogen squib
DE1771943C2 (de) * 1968-08-05 1975-03-27 Dynamit Nobel Ag, 5210 Troisdorf Anfeuerungssatz für Treibladungen und Raketentreibsätze
US3865008A (en) * 1970-02-04 1975-02-11 Arwyn Theophilus Thomas Manufacture of fuse heads
CH648012A5 (de) * 1980-12-22 1985-02-28 Inventa Ag Verzoegerungssatz, enthaltend initialsprengstoff.
DE3243425A1 (de) * 1982-11-24 1984-05-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Anzuendmittel fuer treibladungen
FR2599361B1 (fr) * 1986-05-27 1991-10-04 Survilliers Nle Cartoucherie Composition pyrotechnique pour inflammateur et allumeur electrique de securite, inflammateur et allumeur ainsi obtenus
DE3707694A1 (de) * 1987-03-11 1988-09-29 Dynamit Nobel Ag Elektrisch anzuendbare anzuendsaetze fuer huelsenlose munition und treibkartuschen
DE4302476C2 (de) * 1993-01-29 1995-12-07 Dynamit Nobel Ag Zündempfindliche elektrische Zündsätze mit schwachem detonativem Ausgang, Verfahren zu deren Herstellung, sowie deren Verwendung

Also Published As

Publication number Publication date
DE19533487A1 (de) 1996-03-14
CZ70797A3 (en) 1997-11-12
PL319093A1 (en) 1997-07-21
DE59509947D1 (de) 2002-01-24
EP0781260A1 (fr) 1997-07-02
EP1110928A1 (fr) 2001-06-27
CZ296695B6 (cs) 2006-05-17
JPH10505573A (ja) 1998-06-02
PL181960B1 (pl) 2001-10-31
ATE210619T1 (de) 2001-12-15
WO1996008454A1 (fr) 1996-03-21
KR100407715B1 (ko) 2004-03-30
KR970706215A (ko) 1997-11-03

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