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OntheEnergy& SafetyContradictionofEnergeticMaterialsandtheStrategyforDevelopingLowsensitive
HighenergeticMaterials
ZHANG Chaoyang
(InstituteofChemicalMaterials,CAEP,Mianyang621999,China)
Abstract:Energyandsafetyarethetwomostimportantconcernsinthefieldofenergeticmaterials(EMs).Anditisuniversallybe
lievedthatthereexistsaninevitableandinherentcontradictionbetweenthem:thehigherenergygoeswiththelowersafety,i.e.,
thesocalledenergyandsafety(E&S)contradiction.Thisarticlediscussesthecontradictionincombinationwithmanycounterex
amplesshowingthatthecontradictionisnotalwaysthecase.Itisfoundthatthecontradictionisstructureleveldependent:onlyon
thelevelofmolecule,theE&Scontradictionappearsmostnecessarilyandremarkablyasaninherentone;while,onthehigher
levelsofcrystalandmixture,theE&Scontradictioncancertainlybealleviated.Moreover,wethinkthattheenergyandsafetyof
EMsareoriginatedfrom asenseofmorethermodynamicsandasenseofmorekineticsofchemicalreactions,respectively,and
thustheE&Scontradictionisathermodynamickineticone.Accordingly,westressagainastrategyfordevelopingEMs,i.e.,the
natureofincreasingtheenergyistoincreasethechemicalenergystoredinmoleculesandtoenhancethemolecularpackingcom
pactness;while,theprincipleofenhancingsafety,orreducingsensitivity,istomakeexternalstimulimoreandmoreinsufficient
toigniteEMs,throughcrystalengineeringandmixingtechnologies.
Keywords:energeticmaterials;energyandsafety(E&S)contradiction;explosives;highenergyandlow sensitivity
CLCnumber:TJ55 Documentcode:A DOI:10.11943/j.issn.10069941.2018.01.001
ChineseJournalofEnergeticMaterials,Vol.26,No.1,2018(2 - 10) !"#$ www.energeticmaterials.org.cn