EVOH (ethylene vinyl cawv copolymer) siab barrier zaj duab xis yog qhov zoo tshaj plaws haumxeeb polymer barrier khoom nyob rau hauv lub ntiaj teb no, thiab yog ranked ntawm peb lub siab kawg barrier khoom. EVOH zaj duab xis muaj ntau yam zoo xws li huab cua tsis kam, roj tsis kam, pob tshab, tsis kub tsis kam, kev nyab xeeb zaub mov, thiab lwm yam. Lub ntsiab kom zoo dua ntawm EVOH films tshaj cov pa thermoforming films yog lawv lub peev xwm los thaiv gases thiab zoo cais oxygen, carbon dioxide thiab organic solvents nyob rau hauv lub sij hawm ntev. Nws yog cov khoom siv tseem ceeb rau lub sijhawm ntev - khaws cia thiab ruaj khov ntawm cov khoom. Nyob rau hauv daim ntawv no, raws li qhov teeb meem tam sim no ntawm kev lag luam daim ntawv thov ntawm EVOH siab tiv thaiv daim nyias nyias, lub ntsiab daim ntawv thov scenario thiab muaj nuj nqis ntawm
1.EVOH siab tiv thaiv zaj duab xis tau sau tseg.
Khoom noj khoom haus ntim: lub ntsiab barrier substrate ntawm high freshness ntim.
Kev ntim khoom noj yog qhov loj tshaj plaws EVOH siab barrier zaj duab xis daim ntawv thov kev lag luam hauv ntiaj teb, suav txog ntau dua 60% ntawm tag nrho cov neeg siv khoom lag luam, thiab siv dav rau cov ntim ntim khoom xav tau ntawm ntau yam khoom noj uas yooj yim oxidized thiab perishable. Cov yeeb yaj kiab yas zoo ib yam yog ua pa tau yooj yim thiab tuaj yeem ua rau oxidation, discoloration thiab kab mob loj hlob hauv cov khoom nqaij, cov zaub mov siav thiab cov khoom xyaw tshiab. Txawm li cas los xij, cov khoom siv EVOH muaj ntau pua lub sij hawm ntau dua cov pa tiv thaiv ntau dua li cov PE thiab PP zaj duab xis zoo tib yam, raug kaw hauv qhov tshiab ntawm cov khoom xyaw thiab ua kom lub neej ntev ntawm cov khoom. Nyob rau hauv lub teb ntawm pre-packed tais diav, khov nqaij, nqaij nruab deg thiab thiaj li nyob rau, extruded EVOH composite zaj duab xis yog tsim rau lub tshuab nqus tsev ntim thiab tswj qhov chaw khaws cia ntim txheej txheem. Nws yog steamy thiab kub resistant, thiab muaj peev xwm tiv taus kub sterilization kev kho mob, sib npaug ntim lub zog thiab txuag cov nyhuv. Nws yog cov khoom ntim tseem ceeb rau kev xa tawm cov khoom noj tshiab thiab cov khw muag khoom txias. Hauv flavoring, roj ua noj, khoom noj siv mis, dej haus kua txiv hmab txiv ntoo, thiab lwm yam, EVOH zaj duab xis thaiv cov pa oxygen thiab lub teeb nkag mus, tiv thaiv cov roj oxidation, lwj, thiab dej haus spoilage. Nws tuaj yeem ua tiav lub neej txee ntev yam tsis muaj tshuaj tua kab mob, nyob rau hauv txoj kab nrog cov khoom noj qab haus huv, hnav khaub ncaws. Nyob rau tib lub sijhawm, nws cov pob tshab siab tuaj yeem hloov pauv cov ntawv ntim cov ntawv txhuas, pom cov khoom thiab txhim kho qhov kev ntxhib los mos ntawm cov khoom kawg.
2, Kev ntim khoom kho mob: High-kawg Aseptic Protective Materials
Kev lag luam tshuaj thiab kev kho mob yog qhov siab -qhov kawg daim ntawv thov scenario rau EVOH siab barrier zaj duab xis, uas vam khom rau biocompatibility zoo heev, asepsis, thiab ruaj khov barrier zog kom tau raws li kev lag luam cov qauv kev ua raws cai. EVOH blister ntim tau zoo cais cov dej vapor, oxygen thiab cov kab mob los ntawm cov khoom npaj xws li cov ntsiav tshuaj, tshuaj ntsiav thiab cov khoom noj qab haus huv, zam cov tshuaj noo noo thiab oxidation tsis ua haujlwm, ua kom ntev lub txee lub neej ntawm cov tshuaj thiab ua tau raws li qhov xav tau ntawm loj - nplai, kev tsim tshuaj raws cai. Hauv qhov chaw kho mob siab - kawg, EVOH zaj duab xis tuaj yeem siv rau hauv cov hnab ntim tshuaj, hnab ntshav, ntim tshuaj tiv thaiv cryogenic, hnav khaub ncaws kho mob thiab lwm yam. Nws tswj cov khoom ruaj khov ntawm qhov kub thiab txias, tiv thaiv kev ua haujlwm ntawm cov tshuaj thermosensitive xws li mRNA tshuaj tiv thaiv thiab biologics, thiab ua kom muaj kev nyab xeeb cia thiab thauj cov tshuaj. Tsis tas li ntawd, cov khoom siv EVOH yog cov khoom siv tseem ceeb ntawm cov khoom siv kho mob siab kawg nkaus vim nws tsis yog - tshuaj lom, corrosion resistant thiab tsis muaj teeb meem, uas ua tau raws li GMP cov qauv tsim rau cov tshuaj.
3, Tshiab Zog thiab Ntim Ntim: Precision Media Protection Scenarios
Nrog rau txoj kev loj hlob sai ntawm kev lag luam hluav taws xob tshiab, EVOH siab tiv thaiv diaphragm tau dhau los ua cov khoom txhawb nqa tseem ceeb hauv cov roj teeb hluav taws xob thiab kev lag luam tshuaj precision. Electrolytes nyob rau hauv lub hwj chim roj teeb yog heev rhiab heev rau cov dej vapor thiab oxygen thiab nws yog heev deterioration thiab malfunction. EVOH barrier zaj duab xis tuaj yeem siv los ua cov khoom muag muag thiab cov khoom ntim hauv ob sab phlu los tiv thaiv kev nkag mus ntawm cov dej vapor thiab huab cua, ruaj khov rau hauv ib puag ncig ntawm lub roj teeb thiab txhim kho kev nyab xeeb thiab kev pabcuam lub neej ntawm cov roj teeb hluav taws xob. Hauv kev lag luam tshuaj lom neeg kev lag luam, EVOH zaj duab xis muaj cov kuab tshuaj zoo heev thiab cov roj ua haujlwm thiab tuaj yeem siv rau hauv ntim cov tshuaj tua kab, cov kuab tshuaj organic thiab tshuaj reagents. Nws tuaj yeem tiv thaiv cov tshuaj volatilization thiab to, cais cov tshuaj tiv thaiv los ntawm cov huab cua sab nraud, thiab txhim kho kev ruaj ntseg ntawm kev cia thiab kev thauj mus los ntawm cov khoom siv tshuaj. Rau kev lag luam tsheb, cov khoom siv EVOH tuaj yeem siv los ua cov zaj duab xis liner rau lub tsheb roj tank, tiv thaiv cov roj av volatilization poob, txo cov roj khib nyiab thiab ib puag ncig muaj kuab paug, thiab yog ib qho tseem ceeb txhawb nqa lub teeb yuag thiab ib puag ncig tus phooj ywg kev txhim kho tsheb.
4, Cov khoom siv hauv tsev thiab kev ntim khoom rau cov tshuaj niaj hnub: kev siv ntau yam thiab txuas ntxiv.
Daim ntawv thov ntawm EVOH siab barrier zaj duab xis nyob rau hauv pej xeem cov ntaub ntawv thiab kev lag luam tshuaj niaj hnub yog nthuav thiab lub scene yog adaptable. Hauv kev ua haujlwm ntawm HVAC cov ntaub ntawv hauv tsev, cov txheej txheem tseem ceeb ntawm cov cua sov hauv qab hauv av cua sov oxygen thaiv cov kav dej yog EVOH zaj duab xis, uas zoo insulates oxygen nkag mus rau hauv cov yeeb nkab, tiv thaiv kev loj hlob ntawm cov kab mob hauv cov yeeb nkab thiab corrosion ntawm cov khoom cua sov, thiab txuas ntxiv lub neej ntawm cov cua sov hauv qab. Nws yog cov khoom siv rau siab -kawg underfloor cua sov kav. Hauv kev ntim khoom txhua hnub, EVOH cov ntim ntim tau dav siv hauv cov tshuaj tsw qab, cov khoom siv, cov khoom tu tawv nqaij thiab lwm yam khoom uas muaj oxidizing cov khoom xyaw, tuaj yeem thaiv cov oxidation ntawm huab cua, xauv rau hauv cov khoom xyaw nquag ntawm cov khoom tu tawv nqaij, thiab muaj cov nyhuv moisturizing thiab evaporative. Tsis tas li ntawd, kev tiv thaiv kev ntim khoom rau cov khoom ua si, cov khoom siv precision, thiab siab -kawg hluav taws xob feem ntau qhia txog EVOH thaiv txheej kom ua tiav kev tiv thaiv zoo ntawm plua plav, noo noo, thiab oxidation.
