Komanschek, V., Happ, A., Pfeil, A.
DE 19933648 A UPAB: 20010502 NOVELTY - Production of fine particles of diamond doped with impurity atom(s) comprises detonating an explosive containing carbon, with a negative oxygen balance, in the...
Rohrleitungselement und daraus gebildete Rohrleitungsverbindung (2000)
Pappert, S., Eickershoff, B., Pfeil, A., Keicher, T., Marioth, E., Scheidt, B.
DE 19827010 A UPAB: 20000320 NOVELTY - The pipe element (1) comprises a cylindrical pipe section (2) with a ring flange (3) defining a flange edge (5). The angle ( alpha ) between the normal (4) of...
Possner, U., Possner, T., Messerschmidt, B., Kräplin, A., Pfeil, A.
Diffraction-limited focusing lenses with a numerical aperture of 0.52 and diverging lenses with a numerical aperture of 0.62 were fabricated by silver-sodium ion exchange in cylindrical and rod...
Thermal behavior and stability of HNIW (CL20) (1998)
Löbbecke, S., Bohn, M.A., Pfeil, A., Krause, A.
The thermal stability, phase behavior, and decompn. of the explosive .epsilon.-2,4,6,8,10,12-hexanitrohexaazaisowurtzitane (HNIW) were studied. At >164.degree. irreversible transition to the...
Nanostructured diamonds: Synthesis, characterization and applications (1998)
Ultrafine diamonds were produced by processing detonation residues and characterized. Diamond crystallites of a few nanometers in diam. that form clusters of 50-150 nm were recovered from the...
Accident prevention in metalorganic precursor usage (1998)
Fischer, T.S., Eisenreich, N., Pfeil, A., Bohn, M.A., Jones, C., Rushworth, S.
Thermal decomposition and stabilization of ammonium dinitramide (ADN) (1997)
Löbbecke, S., Krause, H., Pfeil, A.
Ammonium dinitramide (ADN), NH4N(NO2)2, a new energetic compd. was investigated as a potential replacement for NH4NO3 or NH4ClO4 as an oxidizer in solid-fuel rocket propellants. The stability of pure...
Thermal analysis of ammonium dinitramide decomposition (1997)
Löbbecke, S., Krause, H., Pfeil, A.
Thermal properties and decompn. behavior of the new energetic material ammonium dinitramide (ADN) were investigated. Thermal decompn. of ADN is obsd. after complete melting at 91.5.degree.. The main...
Safety technology of thermal explosions and gas explosions (1997)
Fischer, T.S., Schneider, H., Pförtner, H., Eisenreich, N., Pfeil, A.
A review with refs. presents safety analyses on substances with potential to explode . Safety analyses were performed on the examples of metalorg. compds. as potential explosives. The decompn. of...
Pyrolysis of high-energetic diacetylenes (1997)
Löbbecke, S., Pfeil, A., De Meijere, A.
First results of the thermal decompn. of 4 different spirocyclopropanated macrocyclic oligodiacetylenes ([n]rotanes) are described. The thermal behavior of the samples was characterized by modulated...
Microlens arrays by field-assisted Ag(+)-exchange (1997)
Messerschmidt, B., Pfeil, A., Poßner, T.
The formation of both cylindrical as well as sperical microlens arrays by field assisted Ag+-exchange with N.A. up to 0.2 is presented. A special designed optical glass enabling a refractive index...
Controlled pyrolysis of the new energetic binder azide polyester PAP-G (1997)
The degrdn. mechanism of the azide polyester PAP-G (poly-2,2-bis(azidomethyl)-1,3-propanediol-glutarate) on controlled pyrolysis differed from that of the polyether GAP (glycidyl azide polymer). The...
Nonpoisonous crash bag gas generats - from technical issue to market introduction (1996)
Bucerius, K.M., Ebeling, H., Eisenreich, N., Pfeil, A., Schmid, H.
Thermisches Zersetzungsverhalten von AN/GAP-Mischungen (1995)
Böhnlein-Mauß, J., Härdle, T., Keicher, T., Löbbecke, S., Pfeil, A., Weiser, V.
Verhalten von polymeren Werkstoffen im Kompostiermilieu (1994)
Als Alternative zu Deponieren und Verbrennen wird zunehmend die Kompostierung als Entsorgungsschiene diskutiert. Im Mittelpunkt stehen dabei der Einsatz biologisch abbaubarer Kunststoffe. Kern der...
Ebeling, H., Eisenreich, N., Pfeil, A., Schmid, H., Bucerius, K.M.
The term "crash bag" respectively "airbag" as synonym for "safety" is well-known. The usefulness of these systems is high, because the risk of being hurt is decisively lowered. Introduced crash bag...
Screening of the Degradation of Plastic Material in a Composting Medium (1994)
As an alternative in polymer waste utilization, the biodegradation of plastic waste is increasingly under discussion. This concept depends on the polymer degradation by the action of micro-organisms....
High rate decomposition of cyclotrimethylene trinitramine -RDX- (1992)
Eisenreich, N., Krause, H.H., Pfeil, A.
Die bei hoher Aufheizgeschwindigkeit erhaltenen Zerset Hexogen werden diskutiert. Hexogen wurde zersetzt durc Druckbombe und durch Bestrahlung mit kurzen Laserpulse Druckbombe und durch Bestrahlung...
Burning behaviour of gas generators with high Boron content. (1992)
Eisenreich, N., Krause, H.H., Menke, K., Pfeil, A.
Gasgeneratoren mit hohem Boranteil, die für Staustrahlraketen interessant sind, wurden hergestellt und charakterisiert. Folgende Parameter wurden untersucht: - Verbrennungsrückstand - Druckexponent...
Biologisches Verwerten von Kunststoffen - Screening-Test (1992)
The degradation of plastics in a compositing environment is described. Degradation results were obtained on a macroscopic, microscopic and molecular level.
FTIR-Untersuchungen an Pyrolyseprodukten von GAP (1990)
FTIR-spectroscopy and thermochemistry was combined to investigate the pyrolysis products of GAP and cured GAP. The IR-fingerprints are presented and how they change on programmed heating. The...
Biologische Abbaubarkeit von Folien getestet (1990)
Vermehrt kommen mit Stärkeadditiven ausgerüstete Polyethylen-Folien auf den Markt mit dem Anspruch der biologischen Abbaubarkeit. Beim Käufer werden damit Erwartungen geweckt wie z. B.: "Man...
Schadgaseinflüsse of polymere Werkstoffe (1989)
Bohn, M.A., Krause, H.H., Pfeil, A., Schmitt, D.
Luftverunreinigungen, wie NO tief x, SO tief 2 und O tief 3 stehen in Verdacht die Alterung polymerer Wirkstoffe zu beschleunigen. Aus diesem Grunde ist es wichtig, die Auswirkungen einer...
Polymer failure induced by air pollutants (1989)
Bohn, M.A., Krause, H.H., Pfeil, A., Schmitt, D.
An overview is given on an outdoor experiment whereby polyvinylchloride, polyurethane, polyester and alkyd resin based polymers are exposed over a period of 5 years to NO sub x, SO sub 2, O sub 3 in...
Kinetics of evaporation and decomposition of isopropyl nitrate by rapid scan IR spectroscopy. (1989)
Eisenreich, N., Krause, H.H., Pfeil, A.
The evaporation and chemical decomposition kinetics of IPN were investigated at 200, 225 and 250 degree C by monitoring the gas phase using rapid scan FTIR spectroscopy. Evaporation and decomposition...
Eisenreich, N., Krause, H.H., Pfeil, A., Schmid, H.
A method is presented to determine thermodynamic and kinetic parameters from complex thermoanalytical curves. Such curves are obtained when thermoanalytical events like phase transisition and...
Abbauverhalten von polymeren Materialien unter Bedingungen der Schnellverrottung (1989)
Bohn, M.A., Krause, H.H., Menke, K., Pfeil, A.
Ein Schnellrotteverfahren verursacht spezifische Abbaureaktionen an polymeren Materialien. Das Verfahren und der Abbau im makroskopischen und molekularen Bereich werden beschrieben.
ANALYSIS OF INTERMEDIATE AND FINAL PRODUCTS OF AN EXPLOSIVE REACTION (1987)
Pfeil, A., Eisenreich, N., Krause, H.
The gas products of the energetic material RDX were studied by fast spectroscopic methods (TOF, time resolved UV/VIS spectroscopy, FTIR) after thermal stimulation involving different energy transfer...
ANALYSIS OF INTERMEDIATE AND FINAL PRODUCTS OF AN EXPLOSIVE REACTION (1987)
Pfeil, A., Eisenreich, N., Krause, H.
The gas products of the energetic material RDX were studied by fast spectroscopic methods (TOF, time resolved UV/VIS spectroscopy, FTIR) after thermal stimulation involving different energy transfer...
ANALYSIS OF INTERMEDIATE AND FINAL PRODUCTS OF AN EXPLOSIVE REACTION (1987)
Pfeil, A., Eisenreich, N., Krause, H.
The gas products of the energetic material RDX were studied by fast spectroscopic methods (TOF, time resolved UV/VIS spectroscopy, FTIR) after thermal stimulation involving different energy transfer...
Momentaufnahme der Reaktionsprodukte energetischer Stoffe nach Laserblitz Aufheizung (1985)
Eisenreich, N., Krause, H.H., Pfeil, A.
Wir präsentieren Momentaufnahmen kurzlebiger Reaktionsprodukte, wie sie bei ultra-schneller Aufheizung von energetischen Stoffen durch Laserblitz entstehen.
The consequence of beginning slow decomposition on the molecular weight of nitrated cellulose (1985)
Schnelle pyrolytische Reaktionen initiiert durch kurze Laserpulse (1984)
Beim Abbrand von Festtreibstoffen laeuft eine komplizierte Reaktionsfolge ab (Primaer-, Zwischen- und Endprodukte). Hierbei ist die Bildung der Primaerprodukte von besonderer Bedeutung, weil sie die...