Classifications

• • 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
  • C06B25/04—Compositions containing a nitrated organic compound the nitrated compound being an aromatic
  • C06B25/06—Compositions containing a nitrated organic compound the nitrated compound being an aromatic with two or more nitrated aromatic compounds present
• • C—CHEMISTRY; METALLURGY
  • C06—EXPLOSIVES; MATCHES
  • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
  • C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
  • C06B21/0033—Shaping the mixture
  • C06B21/005—By a process involving melting at least part of the ingredients

Definitions

• a fusible explosive mixture for the preparation of cast or pressed explosives which cast or pressed explosives have a shape stability of at least 70 C. which comprises from about to 80% of tetryl and from about 90% to of trinitrophenylethylnitramine and cast or pressed explosives having a content of said fusible explosive mixture together with a content of solid explosives selected from the group consisting of hexogen, octogen, nitropentaerythrite and mixtures thereof.
• Trinitrotoluene has been utilized more than any other explosive as a fusion component or casting explosive, in admixture with such solid explosives as hexogen (tri methylene trinitramine), octogen (cyclotetramethylenetetranitramine) and/or nitropentaerythrite, for military high-efficiency explosives, due to its suitable fusion temperature of 808 C. and due to its very great operational safety.
• hexogen tri methylene trinitramine
• octogen cyclotetramethylenetetranitramine
• nitropentaerythrite for military high-efficiency explosives
• An object of the invention is the obtention of a fusible explosive mixture for the preparation of cast or pressed explosives, which cast or pressed explosives have a shape stability of at least 70 C., which comprises from about 10% to 80% of tetryl and from about 90% to 20% of trinitrophenylethylnitramine.
• Another object of the invention is the obtention of a cast or pressed explosive having a shape stability of at least 70 C. which comprises a content of a fusible ex- States ate 3,496,041 Patented Feb. 17, 1970 ice DESCRIPTION OF THE INVENTION
• a fusible explosive mixture for the preparation of cast or pressed explosives having a shape stability of at least 70 C. can be obtained from mixtures of tetryl and 2,4,6-trinitrophenylethylnitramine (a homolog of tetryl, sometimes called ethyl-tetryl). These mixtures have the same favorable explosive properties and have the same operation safety as have fusible explosive mixtures of tetryl and trinitrobenzene.
• the eutectic point of the fusible explosive mixture of tetryl and ethyl-tetryl is 77 C. and, therefore, this mixture can be employed for military purposes as a casting explosive or fusion component for high-efficiency explosives. If composed suitably the fusion point of the fusible explosive mixtures of the invention is below 100 C. Particularly suitable are mixtures containing from about 10% to 70% of tetryl and 90% to 30% of ethyl-tetryl. Yet, if heated only shortly, mixtures can be used having a content of up to 80% of tetryl.
• the fusible explosive mixtures of the invention can be employed alone as casting fillings in place of trinitrotoluene. They are employed particularly well, however, as a fusion component in casting mixtures in combination with hexogen, octogen and/or nitropentaerythrite where they can be utilized as readily as trinitrotoluene. However, their use leads to cast articles with a higher detonation velocity.
• the new fusion components can be employed in all casting processes for the obtaining of homogenous castings, which are known in the art, that is, for example, in vacuum casting, centrifugal casting and sedimentation casting.
• the solid explosives such as hexogen, octogen or nitropentaerythrite dissolve in the melt of tetryl and ethyl-tetryl without having an adverse effect on the shape stability of the cast articles at 70 C.
• the fusion components of the invention can be admixed with small amounts of other substances such as, for instance, stabilizers and desensitizing agents.
• nitropentaerythrite can be worked as an addition.
• high-molecular-weight polymers such as, for instance, casting resins or nitrocellulose, the mechanical stability of the cast explosives of the invention can be increased.
• Examples 3 to 6 indicate the detonation velocities and impact sensitivities of cast and pressed articles which were prepared for mixtures of tetryl and ethyl-tetryl as fusion components, with or without addition of solid explosives.
• Examples 1 and 2 relate to explosive cast articles with a fusion component consistingof tetryl and trinitrobenzene.
• a fusible explosive mixture for the preparation of cast or pressed explosives which cast or pressed explosives have a shape stability of at least 70 C., which comprises from about 10% to 80% of 2,4,6-trinitrophenylmethylnitramine and from about 90% to 20% of trinitrophenylethylnitramine.
• a cast or pressed explosive having a shape stability of at least 70 C. which comprise a content of a fusible explosive mixture consisting of from about 10% to 80% UNITED STATES PATENTS 3,160,535 12/1964 Wells 14992 X 3,265,545 8/1966 Murray 149-92 X 3,271,212 9/1966 Riedl et a1. 14992 3,284,255 11/1966 Rothstein et a1 14992 X 3,369,944 2/1968 Berthmann et al. 14992 X CARL D. QUARFORTH, Primary Examiner STEPHEN I. LECHERT, JR., Assistant Examiner US. Cl. X.R. 14988, 105, 106

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Agricultural Chemicals And Associated Chemicals (AREA)
• Compositions Of Macromolecular Compounds (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=5684573

Family Applications (1)

Country Status (6)

Cited By (1)

Citations (5)

• 1968
  • 1968-09-05 BE BE720426D patent/BE720426A/xx unknown
  • 1968-09-05 FR FR1578692D patent/FR1578692A/fr not_active Expired
  • 1968-09-07 ES ES357935A patent/ES357935A1/es not_active Expired
  • 1968-09-20 NO NO3721/68A patent/NO118099B/no unknown
  • 1968-09-25 GB GB45492/68A patent/GB1188099A/en not_active Expired
  • 1968-09-25 US US762655A patent/US3496041A/en not_active Expired - Lifetime

Patent Citations (5)

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