Laminating process | BOBST

Laminating machinery and laminating types · Wet lamination: where the bonding agent is still in a liquid state when the webs are joined together. · Dry lamination ... Home > OurProducts > Substrateprocessing > Laminating > Process Laminatingprocess LaminatingmachinesProcessProcessedmaterials LaminatingprocessLaminatingistheprocessthroughwhichtwoormoreflexiblepackagingwebsarejoinedtogetherusingabondingagent.Thesubstratesmakingupthewebsmayconsistoffilms,papers,oraluminumfoils.Ingeneraltermsanadhesiveisappliedtothelessabsorbentsubstrateweb,afterwhichthesecondwebispressedagainstittoproduceaduplex,ortwo-layer,laminate.ApplicationsWeblaminatingisusedtoimprovetheappearanceandbarrierpropertiesofsubstrates. Thechoiceofthemostsuitableweblaminatingprocessismainlydictatedbytheend-useoftheproduct.Anumberofdifferenttechnologiesareavailablethatcoverthewidevarietyofapplicationsinthefoodandnon-foodpackagingindustries,aswellasforthemanufactureoftechnicallaminatesforthesolarenergyandinsulationpanelsectors.LaminatingmachineryandlaminatingtypesLaminatingmachinerycanbeclassifiedaccordingtothetypeofbondingagentusedtoproducethelaminates.Thesetypesare:Wetlamination:wherethebondingagentisstillinaliquidstatewhenthewebsarejoinedtogether.Itiscommonlyusedtoproduceapaper-aluminumfoillaminatethatiswidelyusedinflexiblepackagingDrylamination:wherethebondingagent,dissolvedintoaliquid(waterorasolvent),isappliedtooneofthewebs,beforebeingevaporatedinthedryingoven.Theadhesivecoatedwebislaminatedtotheotherunderstrongpressureandusingheatedrollers,whichimprovesthebondstrengthofthelaminateWaxlamination:wherethebondingagentisawaxorhotmeltandisappliedinamoltenstateontooneofthetwosubstrates.Thisprocessallowstheproductionofpaper-paperorpaper-aluminumfoillaminatesthatarewidelyusedforthepackagingofbiscuitsandbakeryproductsSolventlesslamination:wheretheadhesivesuseddonotcontainsolvents.Solventlessadhesivegenerallyindicatesaspecifictypeofadhesivecomposedbytwocomponentsreactingwitheachotherandconsequentlynotrequiringdrying.Theresultinglaminatedwebisthenrewoundintoafinishedroll.BOBSTexpertiseandknowledgeBOBSTlaminatormachinesrangearetailoredtothespecificrequirementsofconvertersinordertofulfillthedemandformaximumqualityandefficiency.Therangeoflaminatingmachineryavailablecoversduplex,duplextandem,andtriplexsolutions,andprovidethekindoffunctional,operator-oriented,waste-savingandeco-friendlytechnicalsolutionsneededbyindustrytoachievethefastestandmostconsistentlevelsofperformance. 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