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1、INTELLIGENTANDSMARTPACKAGINGWITHPLASTICSThepackagingscenarioandrequirementworldoverischangingfast.Thisisnotonlywithregardtomaterials,forms,systemsandmachinery,butalsolegalaspectscloselylinkedwithenvironmentalequilibriumandmaintenanceaswell.Amongthesedevelopments,the“PackagingofFuture”isexpe
2、ctedtodomorethanjustcontainandprotect.Imagineapackagedproductwhichcouldinteractwithyou,attractingyourattentioninastorebytalkingtoyouandlettingyouknowifitisstillfreshinside,allowingyoutobuyitwithoutstandinginthelinefortwentyminutes;ensuringyouhavecookedittoperfection!Packageswithmovingcolour
3、advertisementsandsound.Manynewapplicationsarealreadyevidentandaresettobecomeincreasinglycommonovernextfewyears.WhatisIntelligentPackaging?Withthenewroleandtheuseofsynonymousadjectiveslike‘smart’,intelligent’,and‘active’todescribethisrole,itisworthwhiletotracetheoriginofsmarttechnology.Likea
4、llothergreatinnovations,thistechnologyalsooriginatedfromtheneedsofthemilitary.Around1980,researchersmainlyinUS,begantoexaminethepotentialofcombiningadvancedmaterialsandsensorswithpowerfulandcompactcomputerstoproducefuturisticsystemsabletomonitortheiroperatingenvironmentinrealtimeandresponda
5、ppropriately.Forthoseofuswhoareawareoftheuseof‘smartbombs’duringGulfwarsandnowinIraq,thewordisnotnew.Infact,thetechnologyinoneformortheotherisbeingusedintransportation,building,civilinfrastructure,biomedical,sportsandleisure,powergenerationetc.andisslowlyfindinggreaterapplicationinpackaging
6、.Intelligentandsmartpackagingcoversahugespectrumofradicallyfastdevelopingtechnologiesandapplications.IntelligentFeaturesAninherentabilitytogatherinformationonitsoperatingenvironmentorhistory,toprocessthatinformationinordertodrawintelligentinferencesfromitandtoactonthoseinferencesbychangingi
7、tscharacteristicsinanadvantageousmannerconstitutesintelligentpackaging.Indoingso,fiveimportantelementsarehighlightedinFigure1withtherelationshipshown.Thekeyaspectofatruly‘smart’systemisthattheresponsetoanystimulusshouldbeintelligent,asopposedtorigidlypre