High Barrier Composite Films a Wɔde Yɛ Adwuma

Dɛn ne High Barrier Composite Films?

High barrier composite films yɛ multi-layer laminated films a wɔayɛ sɛ wɔde bɛbɔ nneɛma a wɔakyekyere no ho ban afi oxygen, nsu, hua, hann, ne nneɛma afoforo a efi akyi ho.
Saa sini ahorow yi taa ka nneɛma te sɛ PET , Nylon, EVOH, Aluminium foil, ne PE/CPP bom ma wonya akwanside adwumayɛ a ɛda nsow.
Wɔde di dwuma kɛse wɔ nnuan, nnuru, ne mfiridwuma mu nneɛma a wɔde kyekyere nneɛma mu a ɛhwehwɛ sɛ wɔkyɛ na nneɛma a wɔyɛ no yɛ pɛ.

Nneɛma bɛn na wɔtaa de di dwuma wɔ sini ahorow a akwanside kɛse wom mu?

Nneɛma a wɔtaa de yɛ nneɛma no bi ne:
• PET /AL/PE (Aluminum foil composite film)
• PET /NY/PE
• BOPP/EVOH/CPP
• Nylon/PE a EVOH core layer wom
• Metallized PET anaa BOPP composite film
Saa multi-layer combinations yi hwɛ ma oxygen ne nsuo a ɛyɛ den a ɛko tia no yɛ papa berɛ a ɛkura mu a ɛtumi yɛ nsakraeɛ ne sealability.

Mfaso atitiriw bɛn na ɛwɔ sini ahorow a wɔde akwanside kɛse ayɛ a wɔde di dwuma so?

Sini ahorow a ɛwɔ akwanside a ɛkorɔn ma mfaso horow a edidi so yi:
• Oxygen ne nsu a ɛyɛ nwini akwanside ahorow
a ɛda nsow • Nneɛma a wɔde yɛ nneɛma no nkwa nna a ɛtrɛw ne nea ɛkora so
• Hua, dɛ, ne UV ahobammɔ a eye kyɛn so
• Ɛfata ma vacuum a wɔde kyekyere nneɛma ne wim tebea a wɔasesa ( MAP )
• Nneɛma a wotumi tintim a wɔde hyɛ agyiraehyɛde ne nkyerɛwde so
• Mfiri ahoɔden a emu yɛ den ne nea ɛko tia tow

Dwumadi ahorow bɛn na ɛhwehwɛ sɛ wɔyɛ sini ahorow a ɛwɔ akwanside a ɛkorɔn?

Wɔde high barrier composite films di dwuma kɛse wɔ:
• Nam a wɔde vacuum ahyɛ mu, soseji, ne ɛpo mu nnuan
• Kafe, tii, ne nnuan a wɔde hyɛ mu •
Nnuru ne nnuruyɛ mfiri
• Cheese, nufusu, ne nnuan a wɔde powder ayɛ a wɔde kyekyere
• Ayɛmma aduan ne aduannuru a wɔde ka ho
• Ɛlektrɔnik ne mfiridwuma mu nneɛma a ɛma nsuo te nka

Sɛ wɔde sini ahorow a akwanside kɛse wom toto sini ahorow a wɔahyɛ da ayɛ ho a, ɔkwan bɛn so na?

Ebia sini ahorow a wɔde afrafra a wɔahyɛ da ayɛ no bɛma ahobammɔ titiriw nanso ɛmfata mma nneɛma a ɛhwehwɛ sɛ wɔkora so bere tenten.
Akwanside film a ɛkorɔn no bi ne layers soronko te sɛ aluminium foil, EVOH, anaa metallized PET a ɛbɛtew gas ne nsuo a ɛkɔ nipadua mu no so kɛseɛ (OTR ne MVTR).
Wɔhwɛ hu sɛ wɔbɔ nneɛma ho ban yiye, titiriw wɔ tebea horow a emu yɛ den a wɔde sie anaa wɔde fa nneɛma mu mu.

So sini ahorow a ɛwɔ akwanside a ɛkorɔn fata ma vacuum packaging ne MAP ?

Yiw, wɔtaa de sini ahorow a wɔabom ayɛ a akwanside kɛse wom di dwuma wɔ vacuum nkotoku ne wim nneɛma a wɔayɛ mu nsakrae mu ( MAP ).
Wɔn ntumi nkɔ mu a ɛba fam no boa ma woyi oxygen fi hɔ na ɛma nitrogen anaa CO2 kɔ so tra hɔ, na ɛma ɛyɛ foforo na esiw mmoawa nketenkete nyin ano.
Wɔde di dwuma kɛse wɔ nam a wɔyɛ, kyiisi a wɔde kyekyere nneɛma, ne aduan a wɔasiesie sɛ wobedi mu.

So wobetumi asɔ sini ahorow a ɛwɔ akwanside a ɛkorɔn ano, atintim, anaasɛ wɔayɛ no sɛnea wɔpɛ?

Pɛpɛɛpɛ. Saa sini ahorow yi betumi ayɛ nea wɔde ɔhyew akata so anaasɛ wɔde awɔw ahyɛ mu, a egyina nea wɔde akata so (PE, CPP, EVA, ne nea ɛkeka ho) so.
Wɔne gravure, flexo, ne dijitaal tintim hyia.
Nneɛma a wobetumi apaw bi ne notches a ɛnyɛ den sɛ wobɛtetew, zippers a wotumi san to mu, anti-fog coating, ne laser scoring.
Wobetumi ayɛ nea ɛyɛ den, akwanside dodow, ne ayaresa a wɔde yɛ nneɛma a ɛwɔ soro no nyinaa ma ɛne nneɛma pɔtee a wɔde kyekyere nneɛma ahiade ahorow ahyia.

So sini ahorow yi yɛ nea aduan nnim na ɛne mmara hyia?

Yiw, wɔyɛ sini ahorow a wɔde akwanside kɛse ayɛ a ɛyɛ aduan de ma ɛne FDA, EU, ne GB gyinapɛn ahorow hyia.
Wɔyɛ nea asiane biara nni ho sɛ wɔde bɛka nnuan ne anonne ho tẽẽ, a nea ɛka ho ne nea wɔde ahyɛ nwini, frigye mu, ne nea wotumi san de di dwuma.
Wobetumi de nhwehwɛmu adansedi nkrataa (COA), atutra sɔhwɛ amanneɛbɔ, ne nneɛma ho nsɛm krataa so nsɛm s ama bere a wɔabisa no.

Nneɛma a ɛyɛ den bɛn na ɛwɔ hɔ ma sini ahorow a ɛwɔ akwanside a ɛkorɔn?

Mpɛn pii no, ne kɛse fi microns 50 kosi microns 180 a egyina sɛnea wɔahyehyɛ ne sɛnea wɔde di dwuma so.
Vacuum pouch films taa yɛ 70–150 microns, bere a snack food laminates betumi ayɛ tratraa (20–60 microns).
Wobetumi agyina sɛnea nneɛma no te nka ne mfiri a wɔde di dwuma ho ahwehwɛde ahorow so ayɛ nhyehyɛe ahorow a wɔahyɛ da ayɛ.

So sini ahorow a akwanside kɛse wom no yɛ nea wotumi san de di dwuma bio anaasɛ ɛnyɛ nea ɛmma nneɛma a atwa yɛn ho ahyia?

Atetesɛm mu akwanside sini ahorow a wɔde nneɛma pii ayɛ no yɛ den sɛ wɔbɛsan de adi dwuma bio.
Nanso, mono-material recyclable barrier films (sɛ nhwɛso no, all-PE anaa all-PP) renya nkɔanim, na ɛde nnuru a wɔde kyekyere nneɛma ano aduru a ɛtra hɔ daa ma.
Wɔn a wɔyɛ nneɛma bi nso de bio-based barrier films a wɔde nneɛma a wotumi yɛ compost te sɛ PLA anaa cellulose di dwuma ma.
Ɛho hia sɛ wɔde adwumayɛ ahiade ne botae ahorow a ɛfa sɛnea ɛbɛkɔ so atra hɔ daa ho hyia bere a wɔrepaw sini no.