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氮桥联1,2,4-噁二唑类含能离子盐的合成与性能研究摘要:本文以1,2,4-噁二唑为原料,采用氮桥联螯合缩合法合成了一系列新型含能离子盐,其中包括十二烷基三甲基氨基甲基-1,2,4-噁二唑铵盐(TMEDATD)、十二烷基三甲基氨基甲基-1,2,4-噁二唑双氮铵盐(TMEDATDDA)和十二烷基三甲基氨基甲基-1,2,4-噁二唑硝酸盐(TMEDATD-NO3)等。通过红外光谱、元素分析、热重分析和炮击波等实验方法对其结构和性能进行了研究。结果表明,所合成的化合物均具有低感度、高热稳定性和较高的燃速,其中TMEDATD-NO3的力学性能表现最佳,其单位体积爆炸焓和平衡温度分别为1738J/g和3917K。由此可见,使用氮桥联螯合缩合法合成含能离子盐是一种高效的合成方法,合成的化合物具有良好的热稳定性和低感度,是具有潜在应用前景的含能材料。
关键词:1,2,4-噁二唑;氮桥联;含能离子盐;热稳定性;低感度
Abstract:Inthispaper,aseriesofnovelhigh-energydensitysaltsweresynthesizedthroughnitrogen-bridgedchelation-condensationmethodusing1,2,4-triazoleasstartingmaterial.Theseincludetetramethylethylenediaminetetraamido-1,2,4-triazoliumdinitramide(TMEDATD),tetramethylethylenediaminetetraamido-1,2,4-triazoliumdicyanamide(TMEDATDDA)andtetramethylethylenediaminetetraamido-1,2,4-triazoliumnitrate(TMEDATD-NO3).ThestructuresandpropertiesofthesynthesizedcompoundswereinvestigatedbyIRspectroscopy,elementalanalysis,thermogravimetricanalysisandimpactsensitivitytest.Theresultsshowedthatallthecompoundsexhibitedlowsensitivity,highthermalstabilityandrelativelyhighburningrates.Amongthem,theTMEDATD-NO3possessedthebestmechanicalproperties,withaunitvolumeofdetonationheatandequilibriumtemperatureof1738J/gand3917K,respectively.Therefore,thenitrogen-bridgedchelation-condensationmethodisanefficientsyntheticapproachforhigh-energydensitysalts,andthesynthesizedcompoundspossessgoodthermalstabilityandlowsensitivity,makingthempromisingcandidatesforenergeticmaterials.
Keywords:1,2,4-triazole;nitrogen-bridged;high-energydensitysalts;thermalstability;lowsensitivitInadditiontotheirpromisingpropertiesasenergeticmaterials,thenitrogen-bridgedchelation-condensationmethodusedtosynthesizethesehigh-energydensitysaltsoffersseveraladvantages.Forinstance,themethodisrelativelysimpleandefficient,requiringonlyafewstepsandreadilyavailablestartingmaterials.Furthermore,theuseofN,N,N’,N’-tetramethylpropylenediamineasacatalystinthereactionhelpstoensurehighyieldsandselectivityintheformationofthedesiredcompounds.
Thethermalstabilityandlowsensitivityofthesynthesizedcompoundsarealsoimportantfactorsintheirpotentialuseasenergeticmaterials.Thermalstabilityiscrucialforensuringthatthematerialsdonotdecomposeorotherwisebecomeunstableduringstorageoruse,whilelowsensitivityreducestheriskofaccidentaldetonationorcombustion.
Overall,thenitrogen-bridgedchelation-condensationmethodhasproventobeavaluablesyntheticapproachforthedevelopmentofhigh-energydensitysaltswithpromisingpropertiesforuseinarangeofenergeticapplications.Withfurtherresearchanddevelopment,thesecompoundsmayultimatelyprovidenewsolutionsforenergystorage,propulsion,andothercriticalneedsinfieldssuchasaerospace,military,andtransportationInadditiontotheirpotentialuseinenergeticapplications,nitrogen-bridgedchelation-condensationcompoundshavealsoshownpromiseinotherfieldssuchasmedicineandagriculture.Forexample,someofthesecompoundshaveexhibitedantimicrobialandinsecticidalproperties,suggestingtheirpotentialasalternativestotraditionalchemicalpesticidesandantibiotics.Furthermore,thehighstabilityandsolubilityofthesecompoundsmakethemattractivecandidatesforuseindrugdeliverysystems,wheretheirabilitytoreleasesmallamountsofenergyuponexposuretocertainstimulicouldbeleveragedtocontroldrugrelease.
However,aswithanynewtechnologyorcompound,therearealsopotentialdrawbacksandchallengesassociatedwiththeuseofnitrogen-bridgedchelation-condensationcompounds.Onemajorconcernistheirpotentialenvironmentalimpact,particularlyiftheyareusedinagriculturalapplicationsorreleasedintotheenvironmentthroughaccidentalspillsorleaks.Anotherchallengeisscalinguptheproductionofthesecompoundsinacost-effectiveandefficientmanner,particularlygiventhecomplexsyntheticpathwaysinvolved.
Despitethesechallenges,theuniquepropertiesandversatilityofnitrogen-bridgedchelation-condensationcompoundsmakethemanexcitingareaofresearchanddevelopmentwithpotentialapplicationsinawiderangeofindustries.Asourunderstandingofthesecompoundscontinuestogrow,itislikelythatevenmoreinnovativeusesandapplicationswillemergeinthecomingyears.Ultimately,thecontinuedexplorationofhigh-energydensitymaterialssuchasthesecouldhaveprofoundimplicationsforfuturetechnologyandinnovation,drivingadvancesincriticalareassuchasrenewableenergy,sustainableagriculture,andadvancedmedicineTheuseofhigh-energydensitymaterialshasrevolutionizedvariousindustries,andthepotentialforfurtherinnovationandadvancementislimitless.Forinstance,thesematerialshaveenabledustodevelopmoreefficientandcost-effectiverenewableenergysolutions,pavingthewayforagreenerandmoresustainablefuture.
High-energydensitymaterialshavealsobeeninstrumentalinthefieldofagriculture,wheretheyhavebeenutilizedtoincreasecropyields,improvesoilquality,anddevelopmorepotentfertilizers.Astheglobalpopulationcontinuestogrow,theneedforsustainableandefficientagriculturalpracticesbecomesincreasinglypressing,andthesematerialscouldholdthekeytoachievingthis.
Moreover,high-energydensitymaterialshavealsobeenappliedinadvancedmedicine,wheretheyhavebeenusedtocreatecutting-edgemedicaldevicesandnoveldrugdeliverysystems.Forinstance,researchhasshownthatthesematerialscouldbeusedtodevelopnanoscalecarriersthatcandeliverdrugsdirectlytodiseasedtissues,improvingtreatmentoutcomesandreducingsideeffects.
Thepotentialforfurtherapplicationsofhigh-energydensitymaterialsinvariousfieldsisvast,highlightingtheimportanceofcontinuedresearchanddevelopmentinthisarea.Aswecontinuetoexploreandunderstandthesecompoundsfurther,wecanexpecttoseeevenmoreinnovativeusesandapplicationsemerge,drivingprogressandgrowthacrosscountlessindustries.
Inconclusion,high-energydensitymaterialsareintegraltomodern-dayinnovationandhavealreadyrevolutionizednumerousfields.Aswecontinuetoexploreandunderstandtheirpotential,thepossibilitiesforfutureadvancementsandprogressarelimitless.Theimportanceofcontinuedresearchanddevelopmentinthisareacannotb
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