Zithini iimeko ezithile zesicelo ze 3003 I-Aluminium foil kwicandelo lepakethi yokutya?
1. Intshayelelo: Isiseko se 3003 I-Aluminiyam ye-Foil kwi-Packaging yokutya
3003 ifoyile yealuminiyam, ialloyi ye-Al-Mn (1.0%-1.5% Mnu, ≤0.7% Fe), sisixhobo esisisiseko sokupakishwa kokutya. Iqhayisa amandla aphakathi koomatshini (140-160I-MPa ebandayo-iqengqeleke amandla okuqina), Ukunganyangeki kwe-Porrosion (0.12-0.15mm/ngonyaka ongathathi hlangothi wokutshiza ityuwa), ukumila kakuhle (10%-12% i-elongwation), kunye nokhuseleko lokutya (ihambelana ne-FDA 21 CFR §175.300 kunye ne-GB 4806.8).
Ngokukodwa, xa kuthelekiswa ne 1060 I-Alumnum ye-aluminium ecocekileyo, isigaba sayo sesibini se-Mn-induced Al₆Mn siphucula ukuxhathisa umhlwa (ngakumbi ngokuchasene nokutya okumuncu) kunye namandla-ngokufanelekileyo ukusombulula imiba yomonakalo kwi-high-temperature sterilization kunye neenkqubo ezinzulu zokudweba.
Ngaphezulu, Ukuqobisana 5052 ifoyile yealuminiyam, 3003 iindleko zefoyile ye-aluminium 15%-20% Ngaphantsi, ukuyenza ifaneleke kakhulu kwimveliso enkulu. Le nzuzo yokusebenza kweendleko yenza isiseko esiluqilima sokusetyenziswa kwayo ngokubanzi kwipakethe yokutya.
Ngobuqhetseba, Iimfuno eziphambili zokupakishwa kokutya-kubandakanya ukhuseleko lomqobo, ukumelana nokusingqongileyo, ukubumbeka, kunye nokhuseleko-zihambelana ngokusondeleyo 3003 iipropathi zendalo zefoyile ye-aluminium. Okwangoku, ibala malunga 35% yokusetyenziswa kwefoyile ye-aluminiyam kwicandelo lokupakisha ukutya (2024 ingxelo yoshishino lwehlabathi), equka iimeko ezahlukeneyo ezifana nokutya osele kukulungele ukutyiwa, imveliso entsha, kunye namalungiselelo ekhonkco elibandayo.
Ukubonisa ngcono umahluko wokusebenza phakathi 3003 ifoyile yealuminiyam kunye nezinye iifoyile eziqhelekileyo zealuminiyam ekupakishweni kokutya, Kunikiwe le theyibhile ilandelayo:
| Uhlobo lwe-Aluminiyam yeFoil | Ukuqamba (Iimpawu eziphambili) | Amandla okuqina aqengqelekayo abandayo (MPa) | Ukungathathi hlangothi kweSitshizi seTyuwa izinga lokuRhakala (mm/ngonyaka) | Elongation (%) | Iindleko (Ihlobene kwi 3003) | Ukulungelelaniswa kokupakishwa kokutya |
| 3003 | I-Al-1.0% -1.5%Mn | 140-160 | 0.12-0.15 | 10-12 | 100% (Isiseko) | Phezulu (ukuhambelana kweemeko ezininzi) |
| 1060 | Al≥99.6% | 110-130 | 0.20-0.25 | 20-25 | 90% | Iphantsi (umhlwa/amandla amabi) |
| 5052 | I-Al-2.2%-2.8%Mg | 230-260 | 0.05-0.08 | 15-18 | 120%-125% | Phakathi (isikali semilinganiselo yeendleko eziphezulu) |
2. Iimeko zeSicelo ezingundoqo ze 3003 I-Aluminiyam ye-Foil kwi-Packaging yokutya
(1) UkuPhakhelwa koBubushushu obuphezulu: Ukumelana ne-121-135℃
Ukuvalwa kobushushu obuphezulu kubalulekile ekugcineni ukutya okunkonkxiweyo kunye nokutya okulungisiweyo, izinto zokupakisha ezifunayo ezihlala zizinzile kwaye zingavuzi phantsi kobushushu obugqithisileyo. 3003 Ifoyile yealuminiyam iyagqwesa kule meko ngenxa yobushushu bayo obuthambileyo ≥200℃, ≥80% izinga logcino lwamandla obushushu obuphezulu, kunye nokusebenza kokutywina okuqinileyo.
Esona sicelo siphambili apha sisingxobo esiyimbuyekezo sopakisho oluhlanganisiweyo:
- Ulwakhiwo: 3003 ifoyile yealuminiyam (0.03-0.05mm, H14 umsindo) isebenza njengomaleko womqobo, idityaniswe ne-PET (umaleko wangaphandle, ukuxhathisa ukukrwempa) kunye neCPP (umaleko wangaphakathi wokutywinwa kobushushu) ukwenza a “I-PET / 3003 i-foil / CPP” Ulwakhiwo;
- Izibonelelo: Isigaba se-Al₆Mn sinqanda ukukhula okuziinkozo kumaqondo obushushu aphezulu. Emva kokwenziwa inzala, amandla okutywinwa kobushushu ahlala ≥30N/15mm (ye GB/T 10004-2020), kunye nesantya sokuhambisa ioksijini yi ≤0.1cc/(M²² · god)-ukwandisa ubomi beshelufu yokutya okulungisiweyo 12-18 iinyanga;
- Into yokuphonononga: Uphawu oluphambili lokutya olulungisiweyo lusebenzisa i-0.04mm-thick 3003 ifoil composite ukupakishwa kwegumbi-lobushushu bayo behagu ephothiweyo. Emva kwe-121℃×30min yokuvala inzala, imveliso ifezekisa ubomi beshelufu yeenyanga ezili-15 kunye nezinga lomonakalo we <0.3%.
Ngaphandle kweepowutshi zokubuya, izikhongozeli ezikwaziyo ukumelana nobushushu sesinye isicelo esingundoqo.
Le theyibhile ilandelayo ishwankathela iiparamitha zobugcisa ze 3003 Ifoyile yealuminiyam kwiimeko eziphambili zokupakisha ukutya:
| Imeko yesicelo | Ubunzima be-foil (mm) | Ukucaphuka | Izalathisi zoMsebenzi oPhambili | Umgangatho wokuThotyelwa | Ubomi beShelf ekujoliswe kuyo |
| Retort Pouch Composite Packaging | 0.03-0.05 | H14 | Amandla okutywinwa kobushushu ≥30N/15mm; OTR ≤0.1cc/(M²² · god) | Gb / t 10004-2020, I-FDA 21 CFR §175.300 | 12-18 iinyanga |
| Izikhongozeli ezixhathisayo ze-High-Temp | 0.08-0.10 | H16 | Ukugcinwa kobude ≥75% (135℃×20min); Ityuwa yokutshiza ≥200h | I-GB 4806.8-2016 | 6-12 iinyanga |
| Ukutya okukhenkcezisiweyo okwenziwe ngeetreyi | 0.05-0.07 | H112 | Ukumelana nokuhlatywa ≥18N; Akukho zintanda (10×180° ukugoba kwi -25℃) | Gb / t 31985-2015 | 3-6 iinyanga |
| Ukupakishwa kwenyama efrijiweyo | 0.025-0.03 | O | OTR ≤0.05cc/(M²² · god); I-WVTR ≤0.5g/kg(m² · 20h) | I-GB 4806.8-2016 | 20-30 iintsuku |
| I-Snack Bags esele ilungile | 0.018-0.025 | O | Izinga lokukhusela ukukhanya 100%; OTR ≤0.08cc/(M²² · god) | Gb / t 21302-2007 | 6-9 iinyanga |
(2) Ukupakishwa kokutya okuKhenkcezisiweyo / okuQinisekileyo: Ukuqina kobushushu obuphantsi
Ifakwe efrijini (0-4℃) kunye nomkhenkce (-18℃ ukuya -30℃) ukupakishwa kokutya kujongene nemingeni ekhethekileyo: Ukuvuselelwa kobushushu obuphantsi kunye nokuxhuzulwa kumacandelo okutya okukhawulezileyo. 3003 I-Aluminium Foil ihlangabezana nezi mfuno nge-≥9% ye-≥9% ye-30 (ye GB/T 31985-2015).
Ukutya okuthambileyo, Yenza iitreyi zenziwe ngesicelo esikhulu:
- Inkqubo: 3003 ifoyile yealuminiyam (0.05-0.07mm, H112 Temp) Ithathwe nzulu, Nge-1-2-22-2mmma onzulu ukomeleza inkxaso yesakhiwo;
- Intsebenzo: Ayibonisi imfihlo emva 3 Iinyanga zokugcina kwi--25 ℃ kwaye akukho fucks emva 10 Imijikelezo ye-180 ° Ukugoba, ngokuchasana nokuchasana kwe-18-22n. Oku kuthembeka kuye kwanceda ukubanjwa ngaphezulu 60% yentengiso ye-jizza ye-pizza ye-pizza ye-pizza.
Kwiimveliso zenyama efrijini ngokukodwa, Ukupakishwa okuhlanganisiweyo kuyakhethwa:
- Ulwakhiwo: 3003 ifoyile yealuminiyam (0.025-0.03mm, O umsindo) idityaniswe ne-PA (ukuxhathisa ukugqobhoza) kunye ne-PE (ukutywinwa kobushushu) ukwenza a “PA/3003 ifoyile/PE” Ulwakhiwo;
- Umsebenzi: Kwi-0-4℃, izinga lokuhambisa ioksijini yi ≤0.05cc/(M²² · god) kunye nesantya sokuhambisa umphunga wamanzi yi ≤0.5g/(m² · 20h)-ukwandisa ubomi beshelufu ye ham ukusuka 7 iintsuku ukuya 30 iintsuku. Ukunganyangeki kwayo kokugqobhoza kukwanqanda umonakalo wokupakisha kwimisipha yenyama.
(3) I-Ready-to-Eat / Fast Food Packaging: Ikhaphukhaphu & Yenziwe
I-snacks esele ilungele ukutyiwa kunye nokupakishwa kokutya okukhawulezayo kufuna iimpawu ezimbini eziphambili: uyilo olulula (ukunciphisa iindleko) kunye nokwenza lula (kwiimilo ezahlukeneyo). 3003 Ubuncinci befoyile ye-aluminiyam ubukhulu be-0.018mm kunye nomlinganiselo onzulu womzobo we-≥1:3 yenze ilingane ngokugqibeleleyo.
Iingxowa ze-snack barriers ezilungele ukutyiwa zisicelo esiqhelekileyo kwaye iibhokisi zokutya okukhawulezayo ezilahlwayo yenye imveliso engundoqo kolu didi, njengoko kucacisiwe kwitheyibhile engentla.
(4) Ukupakishwa kokutya okuSebenzayo okuKhethekileyo: Izisombululo ezenzelwe wena
Ukutya okuneemfuno ezizodwa (I-E.G., iimveliso zentsana, izithako zomgubo), 3003 ifoyile yealuminiyam inokuguqulwa ngeenkqubo ezikhethekileyo ukuhlangabezana neemfuno ekujoliswe kuzo, okufana nokupakishwa kwe-aseptic kokutya okuhambelana nosana kunye nokupakishwa okuphezulu komqobo wokutya komgubo.
3. IiNzuzo zokuSebenza ze 3003 Ifoyile yeAluminiyam
(1) Inzuzo Yokuqulunqa: Mn Element ukuXhobisa
Ilungu leMn kwi 3003 ifoyile aluminiyam iifom 0.5-1.0μm Al₆Mn izigaba, ethintela ukhukuliseko lwe-Cl⁻ kunye ne-Ac⁻ (ixhaphake kukutya okune-asidi ene-pH 3-5). Oku kunciphisa izinga lokubola kwayo 40%-50% kuthelekiswa ne 1060 ifoyile, ukuthintela ngokufanelekileyo umonakalo wokupakisha.
Ngaphezulu, I-Mn yenza ukuba zombini isisombululo esiluqilima someleze kunye nokusabalalisa ukusabalalisa-ukugcina i-ductility ngelixa ukwandisa amandla ngo 30%-40% ihlobene kwi 1060 ifoyile. Le bhalansi yenza ukuba ifaneleke kakuhle kwiqondo lokushisa eliphezulu kunye neemeko ezinzulu zokudweba.
(2) Ulawulo lweMicrostructural
Ngaphandle kokwakheka, Ulawulo lwe-microstructure luphucula ngakumbi ukuguquguquka kwayo:
- Ukungqungqa (300-320℃ nge-3-5h) ilawula ubungakanani beenkozo kwi-5-8μm, ukuphepha ubushushu obuphantsi embrittlement (ezibangelwa iinkozo <3μm) kunye nokwakheka okungalinganiyo (ezibangelwa iinkozo >10μm);
- Ukuqengqeleka okubandayo kudityaniswe ne-annealing ephakathi kuqinisekisa imvula efanayo yezigaba ze-Al₆Mn, ukuthintela iintanda zokugoba zoxinzelelo.
(3) Ukuqhubekeka kwiiMfuno ezahlukeneyo
Okubaluleke ngokulinganayo kukuqhubekeka kwayo, exhasa iimfuno zokupakisha ezahlukeneyo njengoko zichaziwe kwitheyibhile yemeko yesicelo.
4. Imingeni & Izisombululo
3003 Ifoyile ye-aluminiyam ijongene nemingeni emininzi ebonakalayo kwizicelo zokupakisha ukutya, kunye nezisombululo ezijoliswe kuzo eziphuhlisiwe ukujongana nomba ngamnye:
| Uluhlu lomngeni | Inqaku leentlungu zobuGcisa | Isisombululo Iinkcukacha | Isiphumo esilindelekileyo |
| Ukutywinwa kweXesha Eliphezulu okunganelanga | Iingxowa ezihlanganisiweyo: Izinga lokuvuza >1% emva >121℃ ukuvala inzala | 1. Faka endaweni ye-CPP nge-PE/EVA copolymer (amandla okutywinwa kobushushu →45N/15mm); 2. Ifayibha laser welding (100-120W, 0.5-1.0ububanzi be-weld mm) | Izinga lokuvuza <0.1% |
| Ukutenxa ukutyeba kweThin-Gauge | 0.018-0.025ifoyile mm: Ukuphambuka kobunzima >5%, ukuphazamisa ukusebenza komqobo | Sebenzisa i-20-high-high cold rolling Mill (500-600m / yam, 15-20Uxinzelelo lwe-kN) + Igeyiji yobukhulu beX-reyi (±0.001mm ukuchaneka) | Ukutenxa kulawulwe ukuya ku-≤3% |
| Ukuthotyelwa kokusiNgqongileyo | Ukupakishwa okuhlanganisiweyo kwemveli: Izinga lokurisayikilisha <30% (iyasilela i-EU PPWD 2030 ≥85% imfuneko) | 1. Phuhlisa “3003 ifoyile + aluminiyam-iplastiki isakhiwo lula-peel”; 2. Yamkela i-Zr-Ti esekwe kwi-chromium-free passivation | Izinga lokurisayikilisha >70%; Iyahambelana neRoHS 2.0 |
5. Imizila Yekamva
(1) Ikhaphukhaphu & Uphuhliso lwe-Thin-Gauge
Enye intsingiselo yekamva ecacileyo kukukhanya ngakumbi kunye nophuhliso lwegeji encinci: 3003 Ifoyile yealuminiyam iya kuguqukela kwi-0.015-0.02mm ubukhulu. Ukugcina ukusebenza, umkhondo we-Zr uya kongezwa ukunyusa amandla-ukwenza ukuba kube yinto efanelekileyo yokupakisha ukutya okuncinci.
(2) Ukuguqulwa kokuSebenza
Ecaleni kokukhanya, ukuguqulwa kokusebenza kuya kufumana ukutsaleka:
- Hlanganisa i-thermochromic coatings ukunika izilumkiso ezibonakalayo xa amaqondo obushushu okugcina edlula imida ekhuselekileyo;
- Yongeza i-antibacterial fresh-seep layers ukwandisa ubomi beshelufu yokutya, ngakumbi kwizinto ezitshabalalayo njengemveliso entsha.
(3) UJoliso kuQoqosho lweSetyhula
Ukongeza, ukulungelelanisa neenjongo zozinzo lwehlabathi, amalinge oqoqosho lwesetyhula aya kuqhuba inguqulelo:
- Phuhlisa ukupakishwa kwe-aluminiyam enokuphinda isetyenziswe, enokufikelela kumlinganiselo wokurisayikilishwa >95%;
- Phonononga uhlengahlengiso olusekwe kwisitatshi ukuphucula ukonakaliswa kwezinto eziphilayo, ukunciphisa impembelelo yokusingqongileyo ngelixa ugcina ukhuseleko lokuqhagamshelana nokutya.
6. Ukuqukumbela
Isishwankathelo, 3003 Ifoyile yealuminiyam iye yaziseka kuzo zonke iimeko ezine eziphambili zokupakisha ukutya: ukuvalwa kobushushu obuphezulu, isikhenkcezisi/umkhenkce, okulungele ukutyiwa/ukutya okukhawulezayo, kunye nezicelo ezikhethekileyo ezisebenzayo-kunye neeparitha zobugcisa ezisemgangathweni kwitheyibhile yemeko.
Ngokusisiseko, impumelelo yayo isukela kulawulo oluchanekileyo lweMn element kunye ne-microstructure-ukubetha ibhalansi phakathi kokuchasana nokudumba., Ukomelela kwamatshini, kunye nokwenziwa, njengoko kubonisiwe kwitheyibhile yokuthelekisa ukusebenza kwefoyile yealuminium.
Ngokusebenzisa inkqubo ekujoliswe kuyo kwimingeni efana nokutywinwa kunye nokusebenziseka kwakhona (ichazwe kwitheyibhile yezisombululo), 3003 imida yesicelo se-aluminium foil iyaqhubeka nokwandisa. Ukujonga phambili, ukuqhubela phambili kuhlengahlengiso olusebenzayo kunye nobugcisa obujikelezayo boqoqosho luya kwandisa ngakumbi amandla ayo okuxhasa ukhuseleko lokutya, umgangatho, kunye nozinzo-ekugqibeleni ukuqhuba ukupakishwa kwefoyile ye-aluminiyam ukuya kwixabiso eliphezulu kunye nefuthe eliphantsi lokusingqongileyo.