Ntau yam niaj hnubsaj zawg zog ntim khoomuas muaj niaj hnub no yuav ua tsis tau yog tsis muaj cov nplaum niaj hnub.
Lub evolution ntawm kev lag luam ntim tau zoo sib xws rau kev tsim kho tshiablamination nplaum cov ntaub ntawvthiab cov txheej txheem ntau lawm. Cov qauv no tau ua rau cov khoom lag luam zoo thiab cov txheej txheem ntim khoom xav tau los ntawm cov neeg siv khoom.
Rau ntau daim ntawv thov hauv kev ntim khoom yooj yim, kev siv ib qho khoom siv yuav tsis txaus siab rau tag nrho cov khoom xav tau ntawm cov khoom. Hauv cov xwm txheej no, cov khoom sib xyaw uas muaj ob lossis ntau txheej ntawm cov khoom siv tuaj yeem muab qhov kev xav tau. Ib qho tshwj xeeb tshaj plaws ntawm kev tsim cov khoom sib xyaw no yog laminate ntau cov yeeb yaj kiab polymeric rau lwm cov yeeb yaj kiab, foils, ntawv, thiab lwm yam.kua nplaum-yug nplaum.
Qhov kev daws teeb meem no feem ntau yog ua haujlwm hauv kev lag luam ntim khoom uas cov khoom kawg yuav tsum muaj ntau yam khoom siv, xws li lub zog tensile siab thiab siab gas permeability. Cov no feem ntau hu ua barrier films. Cov qauv laminate tuaj yeem dhau los ua qhov nyuaj vim qhov kev thov tshwj xeeb. Ib qho laminate siv nyob rau hauv kev lag luam ntim khoom kho mob, piv txwv li, tej zaum yuav yog ntau txheej txheej uas muaj cov yeeb yaj kiab ntawmpolyester / aluminium ntawv ci / polyethylene.
