Premium
Density Distributions in TATB Prepared by Various Methods
Author(s) -
Hoffman D. Mark,
Fontes Aaron T.
Publication year - 2010
Publication title -
propellants, explosives, pyrotechnics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.56
H-Index - 65
eISSN - 1521-4087
pISSN - 0721-3115
DOI - 10.1002/prep.200800069
Subject(s) - tatb , sulfolane , materials science , particle size , crystal (programming language) , analytical chemistry (journal) , chemistry , organic chemistry , solvent , detonation , explosive material , computer science , programming language
The density distribution of two legacy types of 1,3,5‐triamino‐2,4,6‐trinitrobenzene (TATB) particles were compared with TATB synthesized by new routes and recrystallized in several different solvents using a density gradient technique. Legacy wet (WA) and dry aminated (DA) TATB crystalline aggregates gave average densities of 1.9157 and 1.9163 g cm −3 , respectively. Since the theoretical maximum density (TMD) for a perfect crystal is 1.937 g cm −3 , legacy TATB crystals averaged 99% of TMD or about 1% voids. TATB synthesized from phloroglucinol (P) had comparable particle size to legacy TATBs, but significantly lower density, 1.8340 g cm −3 . TATB synthesized from 3,5 dibromoanisole (BA) was very difficult to measure because it contained extremely fine particles, but had an average density of 1.8043 g cm −3 over a very broad range. Density distributions of TATB recrystallized from dimethylsulfoxide (DMSO), sulfolane, and an 80/20 mixture of DMSO with the ionic liquid 1‐ethyl‐3‐methyl‐imidazolium acetate (EMImOAc), with some exceptions, gave average densities comparable or better than the legacy TATBs.