Packaging Technology丨Nkhani imodzi kuti mumvetsetse masankhidwe amitundu 15 yamapaketi apulasitiki

Kusankha zipangizo 15 mitundu yapulasitiki phukusi

1. Matumba opaka ndi nthunzi

Zofunikira pakuyika: zomwe zimagwiritsidwa ntchito pakuyika nyama, nkhuku, ndi zina zotere, zomwe zimafuna zotchinga zabwino, kukana kusweka kwa dzenje, kutseketsa pansi pamikhalidwe yowotcha popanda kusweka, kusweka, kuchepa, komanso kusanunkhiza.

Kapangidwe kamangidwe: 1) Mtundu wowonekera: BOPA/CPP, PET/CPP, PET/BOPA/CPP, BOPA/PVDC/CPPPET/PVDC/CPP, GL-PET/BOPA/CPP2) Mtundu wa Aluminium zojambulazo: PET/AL/CPP, PA/AL/CPPPET/PA/AL/CPP, PET/AL/PA/CPP.

Zifukwa zopangira: PET: kukana kutentha kwambiri, kukhazikika bwino, kusindikiza kwabwino, mphamvu yayikulu. PA: kukana kutentha kwakukulu, mphamvu yayikulu, kusinthasintha, katundu wabwino wotchinga, kukana kuphulika. AL: zabwino zotchinga katundu, kutentha kwambiri kukana. CPP: kalasi yophikira kutentha kwambiri, kusindikiza kutentha kwabwino, kopanda poizoni komanso kosakoma. PVDC: zinthu zotchinga kutentha kwambiri. GL-PET: filimu ya ceramic vapor deposition, zabwino zotchinga katundu, ma microwave permeability. Sankhani dongosolo loyenera la mankhwala enieni. Matumba owoneka bwino amagwiritsidwa ntchito kwambiri pakuwotcha, ndipo matumba a zojambula za AL atha kugwiritsidwa ntchito pakuwotcha kwambiri.

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2.Zofunikira pazakudya zokhwasula-khwasula

kulongedza: chotchinga cha okosijeni, chotchinga madzi, kupewa kuwala, kukana mafuta, kusunga fungo labwino, mawonekedwe osayamba kukanda, mitundu yowala, komanso mtengo wotsika.

Kapangidwe kamangidwe: BOPP/VMCPP

Chifukwa chopanga: BOPP ndi VMCPP onse ndi osayamba kukanda, BOPP imakhala yosindikiza bwino komanso yonyezimira kwambiri.

VMCPP ili ndi zotchinga zabwino, kusunga fungo komanso kukana chinyezi. CPP imakhalanso ndi kukana mafuta abwino.

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3. Chikwama cha soya msuzi

Zofunikira pakuyika: kusindikiza kopanda fungo, kutentha pang'ono, kuipitsidwa kwa anti-kusindikiza, katundu wabwino wotchinga, mtengo wapakatikati.

Kapangidwe kamangidwe: KPA/S-PE

Chifukwa chopangira: KPA ili ndi zotchinga zabwino kwambiri, kulimba kwabwino, kuthamanga kwamagulu ambiri ndi PE, yosavuta kuthyoka, komanso kusindikiza kwabwino. PE yosinthidwa ndi kuphatikiza kwa ma PE angapo (co-extrusion), ndi kutentha kochepa kosindikiza kutentha komanso kukana mwamphamvu kusindikiza kuipitsidwa.

4. Kupaka masikono

Zofunikira pakuyika: zotchinga zabwino, zotchingira zowala zolimba, kukana kwamafuta, kulimba kwakukulu, kusanunkhiza, komanso kuyika kwapang'onopang'ono.

Kapangidwe kamangidwe: BOPP/EXPE/VMPET/EXPE/S-CPP

Chifukwa chopanga: BOPP ili ndi kukhazikika bwino, kusindikiza kwabwino, komanso mtengo wotsika. VMPET ili ndi zotchinga zabwino, zosawoneka bwino, zowona bwino za okosijeni, komanso zosawona madzi.

S-CPP ili ndi kusindikiza kwabwino kwa kutentha kochepa komanso kukana mafuta.

5. Kupaka ufa wa mkaka

Zofunikira pakuyika: moyo wautali wa alumali, kununkhira komanso kusungirako kukoma, anti-oxidation ndi kuwonongeka, komanso kuyamwa kwa anti-chinyontho ndi kuphatikiza.

Kapangidwe kamangidwe: BOPP/VMPET/S-PE

Chifukwa chopanga: BOPP ili ndi kusindikiza kwabwino, gloss yabwino, mphamvu yabwino komanso mtengo wocheperako. VMPET ili ndi zotchinga zabwino, zowoneka bwino, zolimba bwino komanso zowala zachitsulo. Ndikwabwino kugwiritsa ntchito PET yowonjezera yokhala ndi aluminiyamu yokutira komanso wosanjikiza wa AL.

S-PE ili ndi kusindikiza kwabwino koletsa kuipitsidwa ndi kusindikiza kutentha pang'ono.

6. Kupaka tiyi wobiriwira

Zofunikira pakuyika: kupewa kuwonongeka, kusinthika ndi kusintha kwa kukoma, ndiko kuti, kupewa makutidwe ndi okosijeni a mapuloteni, chlorophyll, catechin ndi vitamini C omwe ali mu tiyi wobiriwira.

Kapangidwe kamangidwe: BOPP/AL/PE, BOPP/VMPET/PE, KPET/PE

Chifukwa cha mapangidwe: AL zojambulazo, VMPET ndi KPET zonse ndi zida zomwe zili ndi zotchinga zabwino kwambiri, ndipo zili ndi zotchinga zabwino ku oxygen, nthunzi wamadzi ndi fungo. Zojambula za AK ndi VMPET zilinso ndi mawonekedwe abwino kwambiri osawonetsa kuwala. Mtengo wa mankhwala ndi wapakatikati.

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7. Mafuta odyetsedwa

Zofunikira pakuyika: anti-oxidation ndi kuwonongeka, mphamvu zamakina abwino, kukana kuphulika, kung'ambika kwakukulu, kukana mafuta, gloss yayikulu, kuwonekera.

Kapangidwe kamangidwe: PET/AD/PA/AD/PE, PET/PE, PE/EVA/PVDC/EVA/PE, PE/PEPE

Chifukwa chopanga: PA, PET, PVDC ali ndi kukana mafuta abwino komanso zotchinga zazikulu. PA, PET, PE ali ndi mphamvu zambiri, wosanjikiza wamkati PE ndi PE wapadera, kukana bwino kusindikiza kuipitsidwa, komanso kusanjikiza kwambiri mpweya.

8. Kanema wa mkaka

Zofunikira pakuyika: katundu wotchinga wabwino, kukana kuphulika kwakukulu, kutsimikizira kuwala, zinthu zabwino zotsekera kutentha, komanso mtengo wocheperako. Kapangidwe kamangidwe: PE yoyera / yoyera PE / yakuda PE Chifukwa Chopanga: gawo lakunja la PE lili ndi gloss yabwino komanso mphamvu zamakina apamwamba, gawo lapakati la PE ndilonyamula mphamvu, ndipo gawo lamkati ndi chosindikizira cha kutentha chokhala ndi umboni wopepuka, chotchinga, ndi kutentha-kusindikiza katundu.

9. Kupaka khofi pansi

Zofunikira pakuyika: kuyamwa kwamadzi, anti-oxidation, kukana midadada yolimba ya zinthu mukatha kutsuka, ndikusunga fungo losakhazikika komanso losavuta oxidized la khofi. Kapangidwe kamangidwe: PET / PE / AL / PE, PA / VMPET / PE Chifukwa Chopanga: AL, PA, VMPET ali ndi zotchinga zabwino, zotchinga madzi ndi mpweya, PE ili ndi kusindikiza kwabwino kwa kutentha.

10. Chokoleti

Zofunikira pakuyika: zotchinga zabwino, chitetezo chopepuka, kusindikiza kokongola, kusindikiza kutentha pang'ono. Kapangidwe kake: vanishi wa chokoleti / inki / yoyera BOPP / PVDC / zomatira zomatira chokoleti varnish / inki / VMPET / AD / BOPP / PVDC / guluu ozizira chosindikizira Chifukwa Chopanga: PVDC ndi VMPET zonse ndi zida zotchinga zapamwamba, zomatira zozizira zimatha kusindikizidwa pa kutentha kwambiri, ndipo kutentha sikudzakhudza chokoleti. Popeza mtedza uli ndi mafuta ochulukirapo ndipo umakhala ndi okosijeni mosavuta ndikuwonongeka, wosanjikiza wotchinga wa okosijeni amawonjezedwa pamapangidwewo.

11. Chikwama chonyamula chakumwa

Zofunikira pakuyika: Mtengo wa pH wa zakumwa za acidic ndi <4.5, pasteurized, komanso zotchinga. Mtengo wa pH wa zakumwa zosalowerera ndale ndi> 4.5, wosabala, ndipo katundu wotchinga ayenera kukhala wapamwamba.

Kapangidwe kamangidwe: 1) Zakumwa za asidi: PET/PE (CPP), BOPA/PE (CPP), PET/VMPET/PE 2) Zakumwa zosalowerera ndale: PET/AL/CPP, PET/AL/PA/CPP, PET/AL/ PET/CPP, PA/AL/CPP
Chifukwa cha mapangidwe: Pazakumwa za acidic, PET ndi PA zimatha kupereka zotchinga zabwino komanso zosagwirizana ndi pasteurization. Acidity imatalikitsa moyo wa alumali. Pazakumwa zopanda ndale, AL imapereka zotchingira zabwino kwambiri, PET ndi PA zili ndi mphamvu zambiri ndipo zimagonjetsedwa ndi kutsekereza kutentha kwambiri.

12. Thumba lamadzi atatu-dimensional

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Zofunikira pakuyika: mphamvu yayikulu, kukana kukhudzidwa, kukana kuphulika, zotchinga zabwino, kusasunthika kwabwino, kutha kuyimirira, kukana kupsinjika, kusindikiza bwino.

Kapangidwe kamangidwe: ① Atatu-dimensional: BOPA/LLDPE; pansi: BOPA/LLDPE. ② Atatu-dimensional: BOPA / kulimbikitsa BOPP / LLDPE; pansi: BOPA/LLDPE. ③ Atatu-dimensional: PET/BOPA/yolimbitsa BOPP/LLDPE; pansi: BOPA/LLDPE.

Chifukwa cha mapangidwe: Zomwe zili pamwambazi zili ndi zotchinga zabwino, zinthuzo ndi zolimba, zoyenerera matumba oyikapo atatu-dimensional, ndipo pansi ndi osinthika komanso oyenera kukonzedwa. Wosanjikiza wamkati amasinthidwa PE ndipo ali ndi kukana kwabwino kwa kusindikiza kuipitsidwa. Kulimbikitsidwa kwa BOPP kumawonjezera mphamvu zamakina azinthu ndikulimbitsa zotchinga zazinthuzo. PET imathandizira kukana kwamadzi komanso mphamvu zamakina zazinthuzo.

13. Aseptic ma CD chivundikiro zinthu

Zofunikira pakuyika: Ndiwosabala panthawi yolongedza ndikugwiritsa ntchito.

Kapangidwe kamangidwe: zokutira/AL/peel wosanjikiza/MDPE/LDPE/EVA/peel wosanjikiza/PET.

Chifukwa cha mapangidwe: PET ndi filimu yoteteza yosabala yomwe imatha kusenda. Mukalowa m'malo osungiramo osabala, PET imasendedwa kuti iwonetse malo osabala. Wosanjikiza wa AL zojambulazo amasenda pamene kasitomala amwa. Bowo lakumwa limakhomeredwa pasadakhale pa PE wosanjikiza, ndipo dzenje lakumwa limawonekera pamene zojambula za AL zimachotsedwa. AL zojambulazo ntchito chotchinga mkulu, MDPE ali olimba bwino ndi zabwino matenthedwe adhesion ndi AL zojambulazo, LDPE ndi yotsika mtengo, VA zili mkati wosanjikiza EVA ndi 7%, VA> 14% saloledwa kukhudzana mwachindunji chakudya, ndi EVA ili ndi zotsekera bwino kutentha kwapang'onopang'ono komanso kuipitsidwa koletsa kusindikiza.

14. Kupaka mankhwala ophera tizilombo

Zofunikira pakuyika: Popeza mankhwala ophera tizilombo ndi oopsa kwambiri ndipo amaika pachiwopsezo chitetezo chamunthu komanso chilengedwe, zotengerazo zimafunikira mphamvu zambiri, kulimba kwabwino, kukana kukhudzidwa, kukana kugwa, komanso kusindikiza bwino.

Kapangidwe kamangidwe: BOPA/VMPET/S-CPP

Chifukwa chopanga: BOPA ili ndi kusinthasintha kwabwino, kukana nkhonya, mphamvu yayikulu, komanso kusindikiza kwabwino. VMPET ili ndi mphamvu zambiri komanso zotchinga zabwino, ndipo imatha kugwiritsa ntchito zida zokutira zokhuthala. S-CPP imapereka kusindikiza kutentha, chotchinga ndi kukana dzimbiri, ndipo imagwiritsa ntchito ternary copolymer PP. Kapena gwiritsani ntchito CPP yokhala ndi zigawo zingapo zokhala ndi zotchinga zapamwamba za EVOH ndi PA.

15. Matumba onyamula katundu olemera

Zofunikira pakuyika: Zonyamula zolemera zimagwiritsidwa ntchito pakuyika zinthu zaulimi monga mpunga, nyemba, mankhwala (monga feteleza), ndi zina zambiri. Zofunikira zazikulu ndizolimba komanso zofunikira zotchinga.

Kamangidwe kamangidwe: Pe / pulasitiki nsalu / PP, Pe / pepala / Pe / pulasitiki nsalu / Pe, Pe / Pe

Zifukwa zopangira: PE imapereka kusindikiza, kusinthasintha kwabwino, kukana kutsika, komanso kulimba kwa nsalu zapulasitiki.


Nthawi yotumiza: Sep-26-2024
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