NanoThermalInsulationMediaforWindowFilm Preface Windowfilm(forshortWF)isaspecialfilmproductwithmulti-storeyandmulti-functionalopticalcharacteristics,itisstuckonthewindowtoimprovetheperformanceandstrengthoftheglass.ThebenefitsofWF heatpreservation,heatproof,savingenergy,increasingsecurity,antiultravioletradiation,privacyprotection,Safety&Securityprotectionandsoon.BecauseofsuchuniqueadvantagesofWF,itisbeingwidelyappliedinallfieldsallovertheworld,includingautomotiveandbuildingglasssuchasdoors,windows,partitions,ceilingofhotels,schools,factories,gymnasiums,banks,railways,placesofentertainment,mansion,officebuildingsandsoon. Thedevelopingprocessofwindowfilm ThefirstgenerationofWFin1930scoatingandlaminatingfilm,whichisusuallynamedTanFilm,themainfunctionisshelteringthestrongsunlight,anditalmostdoesn’tplaythethermalinsulationrolebutshelterssunlight. ThesecondgenerationofWFinthe1960sdyeingfilm Dyeingfilmabsorbstheinfraredraytorealizethermalinsulationbydarkdyeingandaddingheatabsorbent,buttheheatisn’tinsulatedbytheway.Thedeficienciesofdyeingfilm:lowvisiblelighttransmission,lowdefinition,thethermalinsulationfunctionlosesfast,andthecoloriseasytofade. ThethirdgenerationofWFintheearlyof1990svacuumandheatvaporizationfilm. Thethermalinsulationeffectisachievedbyvaporizingaluminumlayeronbasematerial,althoughithaseverlastingthermalinsulationeffect,butthedefinitionislow,anditaffectsthefieldofview’scomfort,andthelightreflectionisstronger. ThefourthgenerationofWFintheendof1990metalmagnetronsputteringfilm SputteringNickel,Silver,Titanium,GoldandetcseniorspacealloymaterialevenlyonthePETbasematerialwithhightension.Thustheexcellencesoffilm:everlastingthermalinsulationeffect,highdefinition,highheatinsulation,lowlightreflection,andstablecolor.Butitcanbeeasilyoxygenated,andblocksGPSradiocommunicationsystemsignalinvehicle. Thelatesttechnologyof21stcenturynanothermalinsulationfilm Itisthelatestadvancedproductinthecentury,whichismadeoftheadhesivelayerwithnanometaloxideplasmbynanotechnologydispersingmethod.Itsadvantages:obviousthermalinsulationeffect,noteasytobeoxygenated,twicelongerlifespanthantheoneofmetalfilm,andnoblockingtheGPS.Itreallymeetsthestandardsoftheperfectwindowfilm:nobeingoxygenated,nofading,noblockingGPS,highthermalinsulation,highvisiblelighttransmission,lowreflection,stablecolorandlongerlifespan. Thestructureofnanothermalinsulationwindowfilm