NO119830B - - Google Patents

Download PDF

Info

Publication number
NO119830B
NO119830B NO301169A NO301169A NO119830B NO 119830 B NO119830 B NO 119830B NO 301169 A NO301169 A NO 301169A NO 301169 A NO301169 A NO 301169A NO 119830 B NO119830 B NO 119830B
Authority
NO
Norway
Prior art keywords
plastic
combustion catalyst
fuel
weight
mixture
Prior art date
Application number
NO301169A
Other languages
Norwegian (no)
Inventor
M Holgersen
Original Assignee
Raufoss Ammunisjonsfabrikker
Forsvarets Forsknings
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 Raufoss Ammunisjonsfabrikker, Forsvarets Forsknings filed Critical Raufoss Ammunisjonsfabrikker
Priority to NO301169A priority Critical patent/NO119830B/no
Priority to DE19702006229 priority patent/DE2006229A1/en
Priority to GB2943370A priority patent/GB1307239A/en
Publication of NO119830B publication Critical patent/NO119830B/no

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C06EXPLOSIVES; MATCHES
    • C06BEXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
    • C06B23/00Compositions characterised by non-explosive or non-thermic constituents
    • C06B23/007Ballistic modifiers, burning rate catalysts, burning rate depressing agents, e.g. for gas generating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicinal Preparation (AREA)

Description

Plastisk rakettdrivstoff. Plastic rocket fuel.

Denne oppfinnelse vedrorer et plastisk rakettdrivstoff spesielt for anvendelse i raålraketter, redningsraketter, fyrverkeri-raketter og lignende. This invention relates to a plastic rocket fuel especially for use in crude rockets, rescue rockets, firework rockets and the like.

Plastisk drivstoff for raketter er tidligere kjent bestående av en blanding av et oksydasjonsmiddel såsom et perklorat,et organisk brensel som ammoniumpikrat, en forbrenningskatalysator såsom titan-dioksyd, et bindemiddel for de faste bestanddeler, f.eks.' polyisobu-len som også virker som brensel, og et fuktemiddel eller overflate-aktivt stoff, f.eks. lecitin. Ovennevnte blanding ble blandet i en blandemaskin og måtte deretter valses på differensialvalser for å meddele blandingen plastisk konsistens. Plastic fuel for rockets is previously known consisting of a mixture of an oxidizing agent such as a perchlorate, an organic fuel such as ammonium picrate, a combustion catalyst such as titanium dioxide, a binder for the solid components, e.g. polyisobutylene, which also acts as fuel, and a wetting agent or surface-active substance, e.g. lecithin. The above mixture was mixed in a mixing machine and then had to be rolled on differential rollers to give the mixture a plastic consistency.

Det er nu funnet at ved å benytte et forholdsvis hbyt inn-hold av ZnO, f.eks. ca. 25 vektprosent, virker dette dels som forbrenningskatalysator og dels som fyllstoff og oksydasjonsmiddel, og videre vil dot ved blandingen av komponentene ved en temperatur av ca. 70° C bevirke at det allerede i blandcmaskinen fås en plastisk masse som direkte kan formes til egnede ladninger ved stamping uten valsing og vakuumbehandling for at luftinneslutninger skal unn-gås. It has now been found that by using a relatively high content of ZnO, e.g. about. 25 percent by weight, this acts partly as a combustion catalyst and partly as a filler and oxidizing agent, and further will dot when the components are mixed at a temperature of approx. 70° C means that already in the mixing machine a plastic mass is obtained which can be directly formed into suitable charges by stamping without rolling and vacuum treatment in order to avoid air inclusions.

Oppfinnelsen vedrorer således et plastisk rakettdrivstoff omfattende en blanding av et perklorat, polyisobutylen, et fuktningsmiddel og en forbrenningskatalysator i form av et metalloksyd, og oppfinnelsen utmerker seg ved at det sem forbrenningskatalysator inneholder ZnO i en mengde av 15 - 30 vektprosent. The invention thus relates to a plastic rocket fuel comprising a mixture of a perchlorate, polyisobutylene, a wetting agent and a combustion catalyst in the form of a metal oxide, and the invention is distinguished by the fact that the combustion catalyst contains ZnO in an amount of 15 - 30 percent by weight.

Et foretrukket eksempel på en sammensetning ifolge oppfinnelsen er folgende bestanddeler regnet i vektprosent: A preferred example of a composition according to the invention is the following components calculated in percentage by weight:

Faste rakettdrivstoffer er karakterisert ved en nedre Solid rocket fuels are characterized by a lower

grense for forbrenningstrykket når de brenner i en rakettmotor, men under denne grense brenner disse drivstoffer ujevnt hvilket bevirker en nedsatt motorytelse eller at rakettmotoren eventuelt slukner. Et drivstoff ifolge oppfinnelsen brenner også stabilt ved trykk under 5 kp/cm 2, og dette muliggjor et skyvkraftforhold pa over 1 : 30 for brenntrykk i startfasen på f.eks. 150 kp/cm 2 i en enkammermotor. limit for the combustion pressure when they burn in a rocket engine, but below this limit these fuels burn unevenly, which causes a reduced engine performance or that the rocket engine eventually shuts down. A fuel according to the invention also burns stably at pressures below 5 kp/cm 2 , and this enables a thrust ratio of over 1:30 for combustion pressures in the initial phase of e.g. 150 kp/cm 2 in a single-chamber engine.

Claims (2)

1. Plastisk rakettdrivstoff omfattende en blanding av et perklorat, polyisobutylen, et fuktningsmiddel og en forbrenningskatalysator i form av et metalloksyd, karakterisert ved at det som forbrenningskatalysator inneholder ZnO i en mengde av 15 - 30 vektprosent.1. Plastic rocket fuel comprising a mixture of a perchlorate, polyisobutylene, a wetting agent and a combustion catalyst in the form of a metal oxide, characterized in that it contains ZnO as a combustion catalyst in an amount of 15 - 30 percent by weight. 2. Plastisk rakettdrivstoff ifolge krav 1, karakterisert ved at det består av folgende blanding i Tvektprosent:2. Plastic rocket fuel according to claim 1, characterized in that it consists of the following mixture in two percent by weight:
NO301169A 1969-07-19 1969-07-19 NO119830B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NO301169A NO119830B (en) 1969-07-19 1969-07-19
DE19702006229 DE2006229A1 (en) 1969-07-19 1970-02-12 Plastic rocket fuel
GB2943370A GB1307239A (en) 1969-07-19 1970-06-17 Plastic rocket propellants

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO301169A NO119830B (en) 1969-07-19 1969-07-19

Publications (1)

Publication Number Publication Date
NO119830B true NO119830B (en) 1970-07-06

Family

ID=19879310

Family Applications (1)

Application Number Title Priority Date Filing Date
NO301169A NO119830B (en) 1969-07-19 1969-07-19

Country Status (3)

Country Link
DE (1) DE2006229A1 (en)
GB (1) GB1307239A (en)
NO (1) NO119830B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2193491B (en) * 1978-07-21 1988-09-14 Imi Kynoch Limited Kynoch Work Improvements in propellants
GB2246348B (en) * 1986-07-15 1993-03-03 Ici Plc Nitrocellulose propellant composition

Also Published As

Publication number Publication date
GB1307239A (en) 1973-02-14
DE2006229A1 (en) 1971-01-28

Similar Documents

Publication Publication Date Title
US2393594A (en) Operation of internal-combustion engines
Shidlovskii Principles of pyrotechnics
GB644073A (en) Improvements in and relating to solid gas-generating charges
US4130061A (en) Gun fired projectile having reduced drag
JPH02124791A (en) Advanced combination propellant for rocket engine
US3217651A (en) Multiple propellent grain for rocket motors
NO119830B (en)
US3102834A (en) Composition comprising nitrocellulose, nitroglycerin and oxides of lead or copper
US4140562A (en) Solid propellant with alginate binder
US3726729A (en) Solid propellant compositions having a nitrocellulose-hydroxyl-terminated polybutadiene binder and method of preparing the same
US4417900A (en) High temperature solid fire starter
US3755019A (en) Solid propellant compositions containing plasticized nitrocellulose and aluminum hydride
US5015310A (en) Embedded explosives as burning rate accelerators for solid propellants
US3742710A (en) Termination fluids for solid stop-start propellant rocket motors
US3043099A (en) Monopropellant fuel
US1432321A (en) Explosive
NO831009L (en) COMPOSITION OF SOLID DRUGS AND PROCEDURES IN PRODUCING THEREOF.
US3234059A (en) Igniter composition comprising pyrotechnic dispersion in solid propellant
US2968539A (en) Monofuels
US3717997A (en) Method for operating hybrid engines
US1547808A (en) Propellent powder
US3000717A (en) Asphalt base solid composite propellants
Caveny et al. Solid propellant flammability including ignitability and combustion limits
GB354398A (en) Improvements relating to fuel for internal combustion engines
GB1372324A (en) Fuse powder composition and fuse containing the same