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Ulapha: Ikhaya » Iimveliso » Iifilimu zokuPakisha eziguquguqukayo » Iifilimu eziDibeneyo eziBandakanywa kwiHigh Barrier

Iifilimu eziDibeneyo eziBandakanywayo eziPhakamileyo

Zithini iiFilimu eziDibeneyo eziBandakanywa kwiHigh Barrier?

Iifilimu ezidityanisiweyo ezinemiqobo ephezulu ziifilimu ezineengqimba ezininzi ezenzelwe ukukhusela umxholo opakishwe kwioksijini, ukufuma, ivumba elimnandi, ukukhanya, nezinye izinto zangaphandle.
Ezi filimu zihlala zidibanisa izinto ezifana ne PET , iNylon, i-EVOH, i-Aluminium foil, kunye ne-PE/CPP ukuze kufezekiswe ukusebenza kakuhle kwemiqobo.
Zisetyenziswa kakhulu ekutyeni, kumayeza, nakwimizi-mveliso ezifuna ixesha elide lokugcinwa kunye nokuthembeka kwemveliso.


Ziziphi izinto ezisetyenziswa rhoqo kwiifilimu ezikhuselayo kakhulu?

Izakhiwo zezinto eziqhelekileyo ziquka:
• PET /AL/PE (Ifilimu edityanisiweyo yefoyile yeAluminiyam)
• PET /NY/PE
• BOPP/EVOH/CPP
• Inayiloni/PE ene-EVOH core layer
• Ifilimu edityanisiweyo yeMetallized PET okanye yeBOPP
Le midibaniso yeleya ezininzi iqinisekisa ukumelana okuhle kweoksijini kunye nokufuma ngelixa igcina ukuguquguquka kunye nokutywinwa.


Ziziphi iingenelo eziphambili zokusebenzisa iifilimu ezidityanisiweyo ezinemiqobo ephezulu?

Iifilimu ezikhuselayo eziphezulu zibonelela ngezi ngenelo zilandelayo:
• Iipropati ezibalaseleyo zokuthintela ioksijini kunye nokufuma
• Ixesha elide lokugcinwa kwemveliso kunye nokugcinwa kokutsha
• Ivumba elimnandi, incasa, kunye nokukhuselwa kwe-UV
• Ifanelekile ekupakishweni kwe-vacuum kunye nokupakishwa kwe-atmosphere eguquliweyo ( MAP )
• Iindawo eziprintwayo zokufaka uphawu kunye nokulebhelisha
• Amandla oomatshini aqinileyo kunye nokumelana nokubhoboza


Zeziphi izicelo ezifuna iifilimu ezithintelayo kakhulu?

Iifilimu ezidityanisiweyo ezinomqobo ophezulu zisetyenziswa kakhulu kwezi zinto zilandelayo:
• Iinyama ezipakishwe nge-vacuum, iisoseji, kunye nokutya kwaselwandle
• Ikofu, iti, kunye nokupakisha ukutya okulula
• Amayeza kunye nezixhobo zonyango
• Ukupakisha itshizi, ubisi, kunye nokutya okugutyiweyo
• Ukutya kwezilwanyana zasekhaya kunye nezongezo zesondlo
• Izixhobo ze-elektroniki kunye nezonakalisi ukufuma kwimizi-mveliso


Iifilimu ezithintela imiqobo ephezulu zithelekiswa njani neefilimu eziqhelekileyo?

Iifilimu ezidityanisiweyo eziqhelekileyo zinokubonelela ngokhuseleko olusisiseko kodwa azifanelekanga kwiimveliso ezifuna ukugcinwa ixesha elide.
Iifilimu ezithintelayo eziphezulu ziquka iileya ezikhethekileyo ezifana ne-aluminium foil, i-EVOH, okanye i-metalized PET ukunciphisa kakhulu amazinga okudluliselwa kwegesi kunye nokufuma (OTR kunye ne-MVTR).
Ziqinisekisa ukhuseleko olungcono lwemveliso, ingakumbi kwiimeko zokugcina okanye zokuthutha ezinzima.


Ngaba iifilimu ezithintelayo eziphezulu zifanelekile ukupakishwa nge-vacuum kunye ne- MAP ?

Ewe, iifilimu ezidityanisiweyo ezinemiqobo ephezulu zisetyenziswa kakhulu kwiingxowa zevacuum kunye nokupakisha umoya oguquliweyo ( MAP ).
Ukungena kwazo okuphantsi kunceda ukususa ioksijini kunye nokugcina initrogen okanye iCO₂, ukwandisa ubutsha kunye nokuthintela ukukhula kweentsholongwane.
Zisetyenziswa kakhulu ekucubungulweni kwenyama, ekupakishweni kwetshizi, nakwizicelo zokutya okulungele ukutyiwa.


Ngaba iifilimu ezithintela imiqobo emikhulu zingavalwa, ziprintwe, okanye zenziwe ngokwezifiso?

Ngokuqinisekileyo. Ezi filimu zingavalwa ngobushushu okanye zivalwe ngokubandayo, kuxhomekeke kumaleko wokuvalwa (PE, CPP, EVA, njl.njl.).
Ziyahambelana negravure, i-flexo, kunye nokuprintwa kwedijithali.
Iimpawu ozikhethelayo ziquka ii-notches ezikrazulwa lula, ii-zippers ezivalwa kwakhona, i-anti-fog coating, kunye ne-laser scoring.
Ubukhulu, amanqanaba okuthintela, kunye nonyango lomphezulu zonke zinokulungiswa ngokweemfuno ezithile zokupakishwa.


Ingaba ezi filimu zikhuselekile ekutyeni kwaye ziyahambelana nemigaqo?

Ewe, iifilimu ezidityanisiweyo ezinemiqobo ephezulu yokutya zenziwe ngokuhambelana nemigangatho ye-FDA, i-EU, kunye ne-GB.
Zikhuselekile ukuba zinxibelelane ngqo nokutya neziselo, kuquka izicelo eziqandisiweyo, ezifrijiweyo, nezibuyiselwayo.
Izatifikethi zohlalutyo (COA), iingxelo zovavanyo lokufuduka, kunye nedatha yezinto eziphathekayo karatasi zinokubonelelwa xa ziceliwe.


Ziziphi ubukhulu obufumanekayo kwiifilimu ezithintelayo eziphezulu?

Ubukhulu buhlala buqala kwi-50 microns ukuya kwi-180 microns kuxhomekeke kwisakhiwo kunye nokusetyenziswa.
Iifilimu zesikhwama se-vacuum zihlala ziyi-70–150 microns, ngelixa ii-laminates zokutya okulula zinokuba zincinci (20–60 microns).
Izakhiwo ezenziwe ngokwezifiso zinokwakhiwa ngokusekelwe kubuntununtunu bemveliso kunye neemfuno zokuphathwa koomatshini.


Ngaba iifilimu ezikhuselayo ezinomqobo ophezulu zinokuphinda zisetyenziswe okanye zinobuhlobo nokusingqongileyo?

Iifilimu zemveli zokuthintela izinto ezininzi kunzima ukuzisebenzisa kwakhona.
Nangona kunjalo, iifilimu zokuthintela ezinokuphinda zisetyenziswe zezinto enye (umz., zonke ii-PE okanye zonke ii-PP) ziyafumaneka ngakumbi, zibonelela ngezisombululo zokupakisha ezizinzileyo.
Abanye abavelisi bakwabonelela ngeefilimu zokuthintela ezisekelwe kwibhayoloji zisebenzisa izinto ezinomgquba ezifana ne-PLA okanye i-cellulose.
Kubalulekile ukufanisa iimfuno zokusebenza kunye neenjongo zozinzo ngexesha lokukhetha ifilimu.

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