Kev xaiv cov ntaub ntawv rau 15 homyas ntim khoom
1. Cov hnab ntim khoom siv ua pa
Cov kev cai ntim khoom: siv rau kev ntim cov nqaij, nqaij qaib, thiab lwm yam, xav tau cov khoom zoo thaiv, tiv taus qhov pob txha tawg, ua kom tsis muaj menyuam hauv qab cov xwm txheej tsis tawg, tawg, ntsws, thiab tsis muaj ntxhiab.
Qauv tsim: 1) Hom pob tshab: BOPA/CPP, PET/CPP, PET/BOPA/CPP, BOPA/PVDC/CPPPET/PVDC/CPP, GL-PET/BOPA/CPP2) Hom ntawv ci txhuas: PET/AL/CPP, PA/AL/CPPPET/PA/AL/CPP, PET/AL/PA/CPP.
Vim li cas tsim: PET: tiv taus kub siab, zoo rigidity, luam ntawv zoo, muaj zog siab. PA: tiv taus kub siab, muaj zog siab, yooj ywm, zoo thaiv, tsis kam rau qhov. AL: zoo thaiv, tiv taus kub siab. CPP: qib ua noj kub siab, kaw cua sov zoo, tsis muaj tshuaj lom thiab tsis qab. PVDC: khoom thaiv kub siab. GL-PET: zaj duab xis ceramic vapor deposition, zoo thaiv, microwave permeability. Xaiv cov qauv tsim nyog rau cov khoom tshwj xeeb. Cov hnab pob tshab feem ntau siv rau kev ua kom sov, thiab cov hnab ntawv ci AL siv tau rau kev ua kom sov kub heev.
2. Cov kev cai rau cov khoom noj txom ncauj uas muaj puffed
ntim khoom: thaiv cov pa oxygen, thaiv dej, zam lub teeb, tiv taus roj, khaws cia tsw qab, zoo li khawb tsis kam, xim ci, thiab tus nqi qis.
Qauv tsim: BOPP/VMCPP
Vim li cas tsim: BOPP thiab VMCPP ob leeg yog khawb-resistant, BOPP muaj zoo printability thiab siab gloss.
VMCPP muaj cov khoom thaiv zoo, khaws cia tsw qab thiab tiv taus dej noo. CPP kuj tseem tiv taus roj zoo.
3. Lub hnab ntim kua ntses
Cov kev cai ntim khoom: tsis muaj ntxhiab, kaw qhov kub qis, tiv thaiv kev ua qias tuaj, cov khoom thaiv zoo, tus nqi nruab nrab.
Qauv tsim: KPA/S-PE
Vim li cas tsim: KPA muaj cov khoom thaiv zoo heev, muaj zog zoo, sib xyaw ua ke sai nrog PE, tsis yooj yim tawg, thiab luam tawm tau zoo. PE hloov kho yog kev sib xyaw ntawm ntau yam PE (co-extrusion), nrog rau qhov kub thiab txias qis thiab muaj zog tiv taus kev ua qias tuaj ntawm kev sib khi.
4. Cov khoom ntim khoom qab zib
Cov kev cai ntim khoom: cov khoom thaiv zoo, cov khoom tiv thaiv lub teeb muaj zog, tiv taus roj, muaj zog heev, tsis muaj ntxhiab, thiab tsis yooj yim khawb.
Qauv tsim: BOPP/EXPE/VMPET/EXPE/S-CPP
Vim li cas tsim: BOPP muaj kev ruaj khov zoo, luam tawm tau zoo, thiab pheej yig. VMPET muaj cov khoom thaiv zoo, tiv taus lub teeb, tiv taus oxygen, thiab tiv taus dej.
S-CPP muaj kev sib khi zoo thaum kub thiab tsis kam roj.
5. Cov khoom ntim mis nyuj
Cov kev cai ntim khoom: lub neej ntev, tshuaj tsw qab thiab saj khaws cia, tiv thaiv kev oxidation thiab kev puas tsuaj, thiab tiv thaiv kev nqus dej noo thiab kev sib sau ua ke.
Qauv tsim: BOPP/VMPET/S-PE
Vim li cas tsim: BOPP muaj peev xwm luam tawm zoo, ci ntsa iab zoo, muaj zog zoo thiab tus nqi nruab nrab. VMPET muaj cov yam ntxwv zoo thaiv, tiv taus lub teeb, tawv zoo thiab ci ntsa iab. Nws zoo dua los siv PET txhim kho nrog cov txheej txhuas thiab txheej AL tuab.
S-PE muaj kev sib khi zoo tiv thaiv kev ua qias tuaj thiab kev sib khi kub qis.
6. Cov tshuaj yej ntsuab ntim khoom
Cov kev cai ntim khoom: tiv thaiv kev puas tsuaj, kev hloov pauv thiab kev hloov pauv saj, uas yog, tiv thaiv kev oxidation ntawm cov protein, chlorophyll, catechin thiab vitamin C uas muaj nyob hauv tshuaj yej ntsuab.
Cov qauv tsim: BOPP / AL / PE, BOPP / VMPET / PE, KPET / PE
Vim li cas tsim: AL ntawv ci, VMPET thiab KPET yog cov ntaub ntawv uas muaj cov khoom thaiv zoo heev, thiab muaj cov khoom thaiv zoo rau cov pa oxygen, cov dej ua pa thiab cov ntxhiab tsw. AK ntawv ci thiab VMPET kuj muaj cov khoom tiv thaiv lub teeb zoo heev. Tus nqi khoom nruab nrab.
7. Roj noj tau
Cov kev cai ntim khoom: tiv thaiv kev oxidation thiab kev puas tsuaj, lub zog kho tshuab zoo, tiv taus tawg siab, lub zog tsim kua muag siab, tiv taus roj, ci ntsa iab, pob tshab
Cov qauv tsim: PET / AD / PA / AD / PE, PET / PE, PE / EVA / PVDC / EVA / PE, PE / PEPE
Vim li cas tsim: PA, PET, PVDC muaj cov roj zoo tiv taus thiab muaj cov khoom thaiv siab. PA, PET, PE muaj lub zog siab, txheej sab hauv PE yog PE tshwj xeeb, tiv taus kev ua qias tuaj ntawm kev sib khi, thiab huab cua nruj heev.
8. Zaj duab xis mis nyuj
Cov kev cai ntim khoom: cov khoom zoo thaiv, tiv taus tawg siab, tiv taus lub teeb, zoo kaw thaum kub, thiab tus nqi nruab nrab. Cov qauv tsim: dawb PE/dawb PE/dub PE Vim li cas tsim: txheej sab nraud PE muaj qhov ci zoo thiab lub zog kho tshuab siab, txheej nruab nrab PE yog lub zog tuav, thiab txheej sab hauv yog txheej kaw thaum kub nrog cov khoom tiv taus lub teeb, tiv taus qhov, thiab kaw thaum kub.
9. Cov khoom ntim kas fes av
Cov kev cai ntim khoom: tiv thaiv kev nqus dej, tiv thaiv kev oxidation, tiv taus cov khoom tawv tom qab nqus tsev, thiab khaws cia cov ntxhiab tsw ntawm kas fes uas yooj yim oxidized. Cov qauv tsim: PET / PE / AL / PE, PA / VMPET / PE Vim li cas tsim: AL, PA, VMPET muaj cov khoom thaiv zoo, dej thiab roj thaiv, PE muaj kev sib khi zoo thaum tshav kub.
10. Chocolate
Cov kev cai ntim khoom: cov khoom thaiv zoo, tiv thaiv lub teeb, luam ntawv zoo nkauj, kaw qhov kub thiab txias. Cov qauv tsim: cov kua roj hmab chocolate ntshiab / kua mem / dawb BOPP / PVDC / kua nplaum txias txiv ntoo chocolate varnish / kua mem / VMPET / AD / BOPP / PVDC / kua nplaum txias vim li cas tsim: PVDC thiab VMPET yog ob qho khoom thaiv siab, kua nplaum txias tuaj yeem kaw tau ntawm qhov kub qis heev, thiab cua sov yuav tsis cuam tshuam rau chocolate. Vim tias txiv ntoo muaj roj ntau dua thiab yooj yim oxidized thiab lwj, ib txheej oxygen barrier ntxiv rau cov qauv.
11. Lub hnab ntim dej haus
Cov kev cai ntim khoom: Tus nqi pH ntawm cov dej haus acidic yog <4.5, pasteurized, thiab feem ntau barrier. Tus nqi pH ntawm cov dej haus nruab nrab yog >4.5, sterilized, thiab cov cuab yeej barrier yuav tsum siab.
Cov qauv tsim: 1) Acidic dej haus: PET / PE (CPP), BOPA / PE (CPP), PET / VMPET / PE 2) Cov dej haus tsis zoo: PET / AL / CPP, PET / AL / PA / CPP, PET / AL / PET / CPP, PA / AL / CPP
Vim li cas tsim: Rau cov dej haus uas muaj kua qaub, PET thiab PA tuaj yeem muab cov khoom thaiv zoo thiab tiv taus kev ua kom sov. Qhov kua qaub ua rau lub txee ntev dua. Rau cov dej haus uas tsis muaj kua qaub, AL muab cov khoom thaiv zoo tshaj plaws, PET thiab PA muaj zog heev thiab tiv taus kev ua kom huv si kub.
12. Lub hnab ntxuav xab npum peb sab
Cov kev cai ntim khoom: lub zog siab, tiv taus kev cuam tshuam, tiv taus tawg, cov khoom thaiv zoo, lub zog nruj zoo, muaj peev xwm sawv ntsug ncaj, tiv taus kev ntxhov siab, thiab kev sib khi zoo.
Tus qauv tsim: ① Peb-dimensional: BOPA / LLDPE; Hauv qab: BOPA / LLDPE. ② Peb-dimensional: BOPA/reinforced BOPP/LLDPE; Hauv qab: BOPA / LLDPE. ③ Peb-dimensional: PET/BOPA/reinforced BOPP/LLDPE; Hauv qab: BOPA / LLDPE.
Vim li cas tsim: Cov qauv saum toj no muaj cov khoom thaiv zoo, cov khoom siv yog khov kho, tsim nyog rau cov hnab ntim khoom peb-seem, thiab hauv qab yog yoog tau thiab tsim nyog rau kev ua tiav. Lub txheej sab hauv yog hloov kho PE thiab muaj kev tiv thaiv zoo rau kev ua qias tuaj ntawm kev sib khi. BOPP txhawb nqa ua rau lub zog kho tshuab ntawm cov khoom siv thiab ua kom cov khoom thaiv ntawm cov khoom siv muaj zog. PET txhim kho kev tiv thaiv dej thiab lub zog kho tshuab ntawm cov khoom siv.
13. Cov ntaub ntawv npog aseptic ntim khoom
Cov kev cai ntim khoom: Nws yog sterile thaum lub sijhawm ntim khoom thiab siv.
Cov qauv tsim: txheej txheej / AL / tev txheej / MDPE / LDPE / EVA / tev txheej / PET.
Vim li cas tsim: PET yog ib daim zaj duab xis tiv thaiv uas tsis muaj kab mob uas tuaj yeem tev tawm. Thaum nkag mus rau hauv thaj chaw ntim khoom tsis muaj kab mob, PET raug tev tawm kom pom qhov chaw tsis muaj kab mob. Cov txheej AL ntawv ci tev tawm raug tev tawm thaum tus neeg siv khoom haus. Lub qhov haus dej raug xuas ua ntej rau ntawm txheej PE, thiab lub qhov haus dej raug nthuav tawm thaum cov ntawv ci AL raug tev tawm. Cov ntawv ci AL siv rau kev thaiv siab, MDPE muaj kev ruaj khov zoo thiab kev nplaum zoo nrog cov ntawv ci AL, LDPE pheej yig, cov ntsiab lus VA ntawm txheej sab hauv EVA yog 7%, VA> 14% tsis raug tso cai ncaj qha rau kev sib cuag nrog zaub mov, thiab EVA muaj kev sib khi zoo hauv qhov kub qis thiab tiv thaiv kev ua qias tuaj.
14. Cov ntim tshuaj tua kab
Cov kev cai ntim khoom: Vim tias cov tshuaj tua kab muaj tshuaj lom heev thiab ua rau muaj kev phom sij rau tus kheej thiab kev nyab xeeb ib puag ncig, cov khoom ntim khoom yuav tsum muaj lub zog siab, tawv zoo, tiv taus kev cuam tshuam, tiv taus kev poob, thiab kaw zoo.
Qauv tsim: BOPA/VMPET/S-CPP
Vim li cas tsim: BOPA muaj kev ywj pheej zoo, tiv taus kev tho, muaj zog siab, thiab luam tawm tau zoo. VMPET muaj zog siab thiab cov khoom thaiv zoo, thiab tuaj yeem siv cov ntaub ntawv txheej tuab dua. S-CPP muab kev sib khi cua sov, kev thaiv thiab kev tiv thaiv xeb, thiab siv ternary copolymer PP. Los yog siv ntau txheej co-extruded CPP uas muaj cov txheej EVOH thiab PA thaiv siab.
15. Cov hnab ntim khoom hnyav
Cov kev cai ntim khoom: Cov ntim khoom hnyav yog siv rau ntim cov khoom ua liaj ua teb xws li mov, taum, cov khoom siv tshuaj lom neeg (xws li chiv), thiab lwm yam. Cov kev cai tseem ceeb yog qhov tawv thiab cov khoom thaiv tsim nyog.
Cov qauv tsim: PE / yas ntaub / PP, PE / ntawv / PE / yas ntaub / PE, PE / PE
Cov laj thawj tsim: PE muab kev sib khi, kev ywj pheej zoo, kev tiv thaiv kev poob, thiab lub zog siab ntawm cov ntaub yas.
Lub sijhawm tshaj tawm: Cuaj hlis-26-2024