Kodi mukudziwa zida zonse zisanu ndi zinayi zomwe zingagwiritsidwe ntchito kupanga RETORT BAG?

Bwezeranimatumba amapangidwa ndi Mipikisano wosanjikiza woonda filimu zipangizo, amene zouma kapena co extruded kupanga ena kukula thumba.The zikuchokera zipangizo akhoza kugawidwa mu 9 mitundu, ndikubwezathumba wopangidwa ayenera kupirira kutentha kwambiri ndi yonyowa pokonza kutentha yolera yotseketsa.Mapangidwe ake apangidwe ayeneranso kukwaniritsa zofunikira za kusindikiza kutentha kwabwino, kukana kutentha, kukana madzi, mphamvu zambiri, ndi ntchito yotchinga kwambiri.

1. PET filimu

Kanema wa BOPET amapangidwa ndikutulutsa utomoni wa PET kudzera mufilimu ya T ndi kutambasula kwa biaxially, yomwe ili ndi katundu wabwino kwambiri.

(1) Kuchita bwino kwamakina.Kulimba kwamphamvu kwa filimu ya BOPET ndikokwera kwambiri pakati pa makanema onse apulasitiki, ndipo zinthu zoonda kwambiri zimatha kukwaniritsa zofunikira, zolimba komanso zolimba kwambiri.

(2) Kuzizira kwambiri komanso kukana kutentha.Kutentha koyenera kwa filimu ya BOPET kumachokera ku 70 mpaka 150 ℃, kusunga mawonekedwe abwino kwambiri pa kutentha kwakukulu, ndikupangitsa kuti ikhale yoyenera kunyamula zinthu zambiri.

(3) Kuchita bwino kotchinga.Ili ndi magwiridwe antchito abwino kwambiri amadzi ndi gasi, mosiyana ndi nayiloni, yomwe imakhudzidwa kwambiri ndi chinyezi.Mlingo wake wokana madzi ndi wofanana ndi PE, ndipo gawo lake la permeability ndi laling'ono kwambiri.Ili ndi chotchinga chachikulu ku mpweya ndi fungo, ndipo ndi imodzi mwazinthu zosungira fungo.

(4) Chemical kukana, kukana mafuta, komanso zosungunulira zambiri, kuchepetsa zidulo, kuchepetsa alkalis, etc.

https://www.stblossom.com/retort-pouch-high-temperature-resistant-plastic-bags-spout-pouch-liquid-packaging-pouch-for-pet-food-product/
thumba lachikwama (1)

2. filimu ya BOPA

Filimu ya BOPA ndi filimu yotambasula ya biaxial, yomwe ingapezeke powombera ndi kutambasula biaxial nthawi imodzi.Kanemayo amathanso kutambasulidwa pang'onopang'ono pogwiritsa ntchito njira ya T-mold extrusion, kapena kutambasulidwa nthawi yomweyo pogwiritsa ntchito njira yowomba.Makhalidwe a filimu ya BOPA ndi awa:

(1) Kulimba mtima kwambiri.Kulimba kwamphamvu, kung'ambika, mphamvu yamphamvu, ndi kuphulika kwa filimu ya BOPA ndi zina mwazabwino kwambiri pakati pa zida zapulasitiki.

(2) Kusinthasintha kwapadera, kukana kwa dzenje la singano, komanso kuvutikira kubowola zomwe zili mkati mwake ndi gawo lalikulu la BOPA, kusinthasintha kwabwino komanso kumva bwino pakuyika.

(3) Zabwino zotchinga katundu, kusungirako fungo labwino, kukana kwambiri kwa mankhwala ena kupatula ma asidi amphamvu, makamaka kukana mafuta.

(4) The kutentha osiyanasiyana ndi lonse, ndi malo osungunuka 225 ℃, ndipo angagwiritsidwe ntchito kwa nthawi yaitali pakati -60 ~ 130 ℃.Makina a BOPA amakhalabe okhazikika pakutsika komanso kutentha kwambiri.

(5) Kuchita kwa filimu ya BOPA kumakhudzidwa kwambiri ndi chinyezi, makamaka pokhudzana ndi kukhazikika kwapamwamba komanso zotchinga.Pambuyo ponyowa, filimu ya BOPA nthawi zambiri imatalika mozungulira, kupatula makwinya.Kufupikitsa kwautali, ndi kutalika kwakukulu kwa 1%.

3. Kanema wa CPP

Kanema wa CPP, yemwe amadziwikanso kuti cast polypropylene film, ndi filimu yosatambasula, yopanda oriented polypropylene.Amagawidwa mu homopolymer CPP ndi copolymer CPP malinga ndi zipangizo.Zopangira zazikulu zophikira filimu ya CPP ndi block copolymer impact resistant polypropylene.Zofunikira pakugwirira ntchito ndi: kutentha kwa Vicat kuyenera kukhala kokulirapo kuposa kutentha kophikira, kukana kwamphamvu kuyenera kukhala kwabwinoko, kukana kwapakatikati kuyenera kukhala kwabwinoko, ndipo maso a nsomba ndi kristalo ayenera kukhala ochepa momwe angathere.

4. Aluminiyamu zojambulazo

Chojambula cha aluminiyamu ndi mtundu wokhawo wa zitsulo zopangidwa ndi zitsulo zofewa, zomwe zimagwiritsidwa ntchito popanga zinthu ndi nthawi yayitali yogwiritsira ntchito.Aluminiyamu zojambulazo ndi zinthu zachitsulo zomwe sizingafanane ndi madzi, kukana kwa gasi, kutchingira kuwala, komanso kusungirako kukoma poyerekeza ndi zinthu zina zilizonse.Ndizinthu zopakira zomwe sizingasinthidwe kwathunthu mpaka lero.

5. Chophimba cha Ceramic evaporation

Ceramic nthunzi ❖ kuyanika ndi mtundu watsopano wa ma CD filimu, amene analandira ndi vaporizing oxides zitsulo pamwamba filimu pulasitiki kapena pepala monga gawo lapansi mu mkulu vacuum zida.Makhalidwe a zokutira za ceramic nthunzi makamaka ndi awa:

(1) Ntchito yotchinga bwino kwambiri, yofanana ndi zida za aluminiyamu zopangidwa ndi zojambulazo.

(2) Kuwonekera bwino, ma microwave permeability, kukana kutentha kwakukulu, koyenera chakudya cha microwave.

(3) Kusunga fungo labwino.Zotsatira zake zimakhala zofanana ndi kuyika magalasi, ndipo sizidzatulutsa fungo lililonse pambuyo pa kusungidwa kwa nthawi yayitali kapena chithandizo cha kutentha kwambiri.

(4) Kukonda chilengedwe.Kutentha koyaka pang'ono komanso zotsalira zochepa zikapsa.

6. Mafilimu ena owonda

(1) filimu ya PEN

Mapangidwe a PEN ndi ofanana ndi PET, ndipo ali ndi zinthu zosiyanasiyana za PET, ndipo pafupifupi katundu wake wonse ndi wapamwamba kuposa PET.Kuchita bwino kwambiri, mphamvu zambiri, kukana kutentha kwabwino, ntchito yabwino yotchinga, komanso kuwonekera.Kukaniza kwapadera kwa UV ndiye chowunikira chachikulu cha PEN.Chotchinga cha PEN ku nthunzi wamadzi ndi kuwirikiza 3.5 kuposa cha PET, ndipo chotchinga chake ku mipweya yosiyanasiyana ndi kuwirikiza kanayi kuposa cha PET.

(2) filimu ya BOPI

BOPI ili ndi kutentha kwakukulu kwambiri, kuyambira -269 mpaka 400 ℃.Kanema yemwe wamaliza kuchitapo kanthu alibe malo osungunuka, ndipo kutentha kwa galasi kuli pakati pa 360 mpaka 410 ℃.Itha kugwiritsidwa ntchito mosalekeza mumlengalenga pa 250 ℃ kwa zaka zopitilira 15 popanda kusintha kwakukulu kwamachitidwe.BOPI ili ndi magwiridwe antchito abwino kwambiri, mawonekedwe apamwamba akuthupi ndi makina, kukana kwa radiation, kukana kwa zosungunulira zamankhwala, kukhazikika kwapang'onopang'ono, komanso kusinthasintha komanso kukana kupindika.

(3) filimu ya PBT

Filimu ya PBT ndi imodzi mwa mafilimu a polyester a thermoplastic, omwe ndi filimu ya butylene terephthalate.Kachulukidwe ndi 1.31-1.34g/cm ³, Malo osungunuka ndi 225 ~ 228 ℃, ndipo kutentha kwa galasi ndi 22 ~ 25 ℃.Filimu ya PBT ili ndi katundu wapamwamba poyerekeza ndi filimu ya PET.PBT ili ndi kukana kutentha kwambiri, kukana mafuta, kusunga fungo, komanso kusindikiza kutentha, kumapangitsa kuti ikhale yoyenera matumba olongedza omwe amagwiritsidwa ntchito popanga chakudya cha microwave.Kanema wa PBT ali ndi zotchinga zabwino ndipo atha kugwiritsidwa ntchito pakuyika zakudya zokometsera.Kanema wa PBT ali ndi kukana kwambiri kwamankhwala.

(4) filimu ya TPX

Kanema wa TPX amapangidwa ndi copolymerization ya 4-methylpentene-1 yokhala ndi 2-olefin pang'ono (3% ~ 5%), ndipo ndi pulasitiki yopepuka kwambiri yokhala ndi mphamvu yokoka ya 0.83g/cm ³, Kuchita kwina kulinso kwambiri. zabwino kwambiri.Kuphatikiza apo, TPX ili ndi kukana kwabwino kwa kutentha ndipo ndi chinthu chosamva kutentha kwambiri pakati pa ma polyolefin.Ili ndi crystallization kusungunuka kwa 235 ℃, zabwino zamakina, machulukidwe apamwamba kwambiri komanso elongation otsika, kukana kwamphamvu kwamankhwala, kukana mafuta, kukana kwambiri kwa asidi, alkali ndi madzi, komanso kukana ma hydrocarbon ambiri.Imatha kupirira kutentha kwa zosungunulira mpaka 60 ℃, kuposa mapulasitiki onse owoneka bwino.Ili ndi kuwonekera kwambiri komanso kufalikira kwa 98%.Mawonekedwe ake ndi owoneka bwino kwambiri, okongoletsa, ndipo ali ndi kulowa mwamphamvu kwa ma microwave.

Ngati muli ndi zofunikira zilizonse za thumba la retort, mutha kulumikizana nafe.Monga wopanga ma CD osinthika kwazaka zopitilira 20, tidzakupatsirani mayankho anu oyenera malinga ndi zosowa zanu ndi bajeti.


Nthawi yotumiza: Nov-04-2023