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Title: RX-08-HD, a low-viscosity, injection-moldable explosive for filling tortuous paths

Abstract

Cast cure, extrusion cast, and paste extrudable explosives have not been designed for transferring through long tortuous paths or into fine three dimensional shapes. To allow the crystalline explosive to flow a lubricating fluid is required. The energetic liquid ethane trinitrate (TMETN) was used as the lubricant to maximize the explosive energy. TMETN is a liquid nitrate ester which requires stabilization with conventional free radical stabilizers such as 2- nitrodiphenylamine, methyl-nitroanaline, or ethyl centrylite. Since these injection moldable explosives are expected to cure in place, a polyesterurethane binder based on polymeric isocyanate of hexamethylene diisocyanate and polycaprolactone polyols is dissolved in TMETN. The solubility of the polymer precursors in TMETN also reduces the energetic liquids sensitivity. The latent cure catalyst Dabco T-131 was used to minimize shrinkage associated with thermal expansion, reduce cost associated with oven cures, to give 4-6 hour potlife and overnight cure to handling strength. The product RX-08-HD is a new, low-viscosity, injection moldable explosive that can be extruded into complex, void-free shapes. Combined with appropriate design and other aspects of weaponization, RX-08-HD has produced outstanding results.

Authors:
; ;
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE, Washington, DC (United States)
OSTI Identifier:
647047
Report Number(s):
UCRL-JC-127540; CONF-9710123-
ON: DE98051119
DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Conference
Resource Relation:
Conference: Insensitive Munitions and Energetics Technology Symposium, Tampa, FL (United States), 6-9 Oct 1997; Other Information: PBD: 1 Oct 1997
Country of Publication:
United States
Language:
English
Subject:
45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE; 36 MATERIALS SCIENCE; 40 CHEMISTRY; CHEMICAL EXPLOSIVES; FABRICATION; RHEOLOGY; MOLDING; VISCOSITY; CHEMICAL COMPOSITION; SAFETY; MATERIALS HANDLING; CURING; SHEAR

Citation Formats

Hoffman, D M, Jessop, E S, and Swansiger, R W. RX-08-HD, a low-viscosity, injection-moldable explosive for filling tortuous paths. United States: N. p., 1997. Web.
Hoffman, D M, Jessop, E S, & Swansiger, R W. RX-08-HD, a low-viscosity, injection-moldable explosive for filling tortuous paths. United States.
Hoffman, D M, Jessop, E S, and Swansiger, R W. 1997. "RX-08-HD, a low-viscosity, injection-moldable explosive for filling tortuous paths". United States. https://www.osti.gov/servlets/purl/647047.
@article{osti_647047,
title = {RX-08-HD, a low-viscosity, injection-moldable explosive for filling tortuous paths},
author = {Hoffman, D M and Jessop, E S and Swansiger, R W},
abstractNote = {Cast cure, extrusion cast, and paste extrudable explosives have not been designed for transferring through long tortuous paths or into fine three dimensional shapes. To allow the crystalline explosive to flow a lubricating fluid is required. The energetic liquid ethane trinitrate (TMETN) was used as the lubricant to maximize the explosive energy. TMETN is a liquid nitrate ester which requires stabilization with conventional free radical stabilizers such as 2- nitrodiphenylamine, methyl-nitroanaline, or ethyl centrylite. Since these injection moldable explosives are expected to cure in place, a polyesterurethane binder based on polymeric isocyanate of hexamethylene diisocyanate and polycaprolactone polyols is dissolved in TMETN. The solubility of the polymer precursors in TMETN also reduces the energetic liquids sensitivity. The latent cure catalyst Dabco T-131 was used to minimize shrinkage associated with thermal expansion, reduce cost associated with oven cures, to give 4-6 hour potlife and overnight cure to handling strength. The product RX-08-HD is a new, low-viscosity, injection moldable explosive that can be extruded into complex, void-free shapes. Combined with appropriate design and other aspects of weaponization, RX-08-HD has produced outstanding results.},
doi = {},
url = {https://www.osti.gov/biblio/647047}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Oct 01 00:00:00 EDT 1997},
month = {Wed Oct 01 00:00:00 EDT 1997}
}

Conference:
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