Hauv kev tshawb nrhiav tsis tu ncua rau cov kev daws teeb meem kev ntim khoom ruaj khov, qhov kev hloov pauv ntawm cov pa xa hluav taws xob (OTR) thiab dej vapor kis tus nqi (WVTR) tau tshwm sim los ua qhov tseem ceeb ntawm kev tsim cov toj roob hauv pes ntawm cov ntim yas. Raws li kev lag luam nrhiav kev txo cov kev cuam tshuam ib puag ncig thaum tswj cov khoom ncaj ncees, kev nce qib hauv kev nkag siab thiab tswj OTR thiab WVTR tuav cov lus cog tseg tseem ceeb.
OTR thiab WVTR xa mus rau cov nqi uas cov pa oxygen thiab dej vapor permeate los ntawm cov khoom ntim, feem. Cov khoom no ua lub luag haujlwm tseem ceeb hauv kev khaws cia qhov tshiab, zoo, thiab txee lub neej ntawm ntau yam khoom, xws li zaub mov thiab tshuaj mus rau electronics thiab tshuaj pleev ib ce.
Nyob rau hauv xyoo tas los no, kev paub txog kev txhawj xeeb ntawm ib puag ncig tau ua rau kev lag luam rov ntsuam xyuas cov khoom ntim khoom ib txwm siv, xws li cov yas siv ib zaug, uas ua rau muaj kuab paug thiab cov pa roj carbon emissions. Yog li ntawd, tau muaj kev sib koom ua ke los tsim cov kev hloov pauv ruaj khov yam tsis muaj kev cuam tshuam rau kev ua haujlwm.
Hais txog qhov kev sib tw, cov kws tshawb fawb thiab cov tuam txhab tsim khoom tau nkag mus rau hauv kev tshawb fawb zoo sib xws ntawm OTR thiab WVTR los tsim cov khoom ntim khoom uas muaj cov khoom thaiv kev txhim kho thaum txo kev cuam tshuam ib puag ncig. Qhov kev sim siab no tau coj mus rau qhov tshwm sim ntawm cov kev daws teeb meem tshiab, suav nrog bio-based polymers, biodegradable films, thiab cov khoom siv rov ua dua tshiab.
Ntxiv mus, kev nce qib hauv nanotechnology thiab cov ntaub ntawv tshawb fawb tau pab txhawb kev tsim cov yeeb yaj kiab nanostructured thiab coatings muaj peev xwm txo qis OTR thiab WVTR. Los ntawm leveraging nanomaterials, manufacturers muaj peev xwm tsim ultra-thin khaubncaws sab nraud povtseg nrog tshwj xeeb barrier zog, yog li ncua cov khoom txee lub neej thiab txo qhov xav tau rau cov ntim ntau dhau.
Qhov cuam tshuam ntawm kev nkag siab OTR thiab WVTR txuas mus dhau ib puag ncig kev ruaj ntseg. Rau kev lag luam xws li kws tshuaj thiab khoom siv hluav taws xob, kev tswj xyuas meej ntawm cov pa oxygen thiab noo noo yog qhov tseem ceeb rau kev tswj xyuas cov khoom ua tau zoo thiab kev ncaj ncees. Los ntawm kev tswj xyuas cov nqi sib kis tau zoo, cov neeg tsim khoom tuaj yeem txo qhov kev pheej hmoo ntawm kev lwj, degradation, thiab ua haujlwm tsis zoo, yog li ua kom cov neeg siv khoom muaj kev nyab xeeb thiab txaus siab.
Tsis tas li ntawd, kev loj hlob ntawm kev lag luam e-lag luam thiab cov khoom lag luam thoob ntiaj teb tau nce qhov kev thov rau cov khoom ntim uas muaj peev xwm tiv taus ntau yam kev mob ib puag ncig thiab kev phom sij ntawm kev thauj mus los. Yog li ntawd, muaj kev nthuav dav ntxiv rau kev tsim cov kev daws teeb meem ntim nrog cov khoom zoo tshaj plaws los tiv thaiv cov khoom thoob plaws hauv cov txheej txheem faib khoom.
Txawm hais tias muaj kev nkag siab thiab tswj hwm OTR thiab WVTR, cov kev cov nyom tseem muaj, tshwj xeeb tshaj yog hais txog tus nqi-zoo thiab scalability. Raws li kev lag luam hloov mus rau kev ntim khoom ruaj khov, qhov xav tau rau kev daws teeb meem kev lag luam tseem ceeb tseem ceeb. Tsis tas li ntawd, kev txiav txim siab txog kev tswj hwm thiab kev nyiam ntawm cov neeg siv khoom txuas ntxiv cuam tshuam rau kev siv cov txheej txheem ntim khoom tshiab.
Hauv kev xaus, kev nrhiav cov kev daws teeb meem ruaj khov hinges ntawm kev nkag siab zoo ntawm oxygen thiab dej vapor kis tus nqi. Los ntawm kev siv cov kev tshawb fawb tshiab thiab kev sib koom tes thoob plaws hauv kev lag luam, cov neeg koom nrog tuaj yeem tsim cov khoom ntim uas sib koom ua ke ib puag ncig lub luag haujlwm nrog cov khoom ncaj ncees thiab kev nyab xeeb ntawm cov neeg siv khoom. Raws li kev nce qib txuas ntxiv nthuav dav, qhov kev cia siab ntawm cov zaub ntsuab, zoo dua ntim cov toj roob hauv pes looms ntawm lub qab ntug.
Post lub sij hawm: Mar-07-2024