Views: 0 Author: Site Editor Publish Time: 2025-11-10 Keeb Kwm: Qhov chaw
Kev xaiv cov tshuaj blister ntim zaj duab xis tsis yog ib qho kev xaiv ntawm PVC , PVDC, EVOH thiab LDPE. Cov polymers no ua haujlwm sib txawv hauv cov khoom ntim tshuaj, thiab lawv tau nquag ua ke kom ua tiav qhov yuav tsum tau muaj qhov sib npaug ntawm thermoformability, oxygen barrier, tiv thaiv ya raws, sealing kev ua tau zoo, clarity thiab ntau lawm efficiency.
Nyob rau hauv ib lub pob hlwv ib txwm, nruj PVC tuaj yeem ua lub vev xaib thermoformable. PVDC tuaj yeem coated rau PVC los yog muab tso rau hauv cov txheej txheem multilayer los txhim kho cov dej noo thiab oxygen barrier. EVOH feem ntau yog siv los ua cov pa oxygen siab- thiab roj-txheej txheej hauv cov ntim ntim ntau, thaum LDPE tuaj yeem muab kev yooj yim, kev tiv thaiv noo noo thiab ua haujlwm kub-sealing.
Rau cov chaw tsim tshuaj thiab cov khoom hloov pauv, cov khoom siv raug yuav tsum raug xaiv raws li cov ntaub ntawv kev ruaj ntseg ntawm cov tshuaj, lub hom phiaj oxygen kis tus nqi (OTR) , dej vapor kis tus nqi (WVTR) , kab noj hniav geometry, sealing system, cia huab cua, txee lub neej lub hom phiaj thiab lub hom phiaj ntawm kev ua lag luam.
| Cov khoom | tseem ceeb ntim lub luag haujlwm | tseem ceeb Lub zog | tseem ceeb txwv |
|---|---|---|---|
| PVC | Rigid thermoformable sib sau web | Formability, clarity, rigidity thiab nqi efficiency | Standard PVC tej zaum yuav tsis muaj dej noo txaus los yog oxygen barrier rau rhiab formulations |
| PVDC | Barrier txheej lossis txheej, feem ntau txuam nrog PVC -raws li cov yeeb yaj kiab | Txhim kho dej-vapor thiab oxygen barrier | Barrier nyob ntawm txheej hnyav, qauv, sib sau thiab kuaj mob |
| EVOH | Internal gas-barrier txheej nyob rau hauv multilayer lug | Zoo heev oxygen thiab gas barrier | Barrier kev ua tau zoo yog cov av noo-rhiab heev, yog li EVOH feem ntau tiv thaiv los ntawm cov khaubncaws sab nraud povtseg |
| LDPE | Sealant, saj zawg zog lossis tiv thaiv txheej hauv ntau txheej txheej | Thaum tshav kub kub sealing, yooj thiab tiv thaiv ya raws | Tsis yog ib txwm xaiv los ua ib qho standalone nruj ntsiav tshuaj-blister ua lub vev xaib |
Pharmaceutical rigid PVC zaj duab xis yog ib qho ntawm cov tsim thermoformable forming webs siv rau cov ntsiav tshuaj thiab tshuaj ntsiav tshuaj ntim. Thaum lub sij hawm tsim khoom, lub vev xaib PVC yog rhuab thiab tsim rau hauv kab noj hniav, ntim nrog cov khoom siv tshuaj thiab tom qab ntawd muab ntim nrog cov khoom siv lidding.
Nws cov txiaj ntsig tseem ceeb yog tswj cov thermoforming, kho qhov muag pom tseeb, qhov ruaj khov ntawm qhov ntev thiab kev ua haujlwm zoo . Pob tshab PVC kuj tso cai rau cov ntsiav tshuaj lossis tshuaj ntsiav kom nyob twj ywm pom rau kev txheeb xyuas cov khoom thiab tshuaj xyuas.
Zoo thermoforming kev ua tau zoo rau cov pa hlwv kab noj hniav
Kev pom cov khoom siab thaum siv cov qhab nias pob tshab
Zoo rigidity thiab seem stability
Dav tsim los ntawm cov khoom siv tshuaj blister
Muaj nyob rau hauv txawv thicknesses, widths, xim thiab yob configurations
Cov nqi tsim nyog-kev ua tau zoo sib npaug rau cov khoom lag luam nrog cov kev xav tau nruab nrab
Plain PVC feem ntau raug soj ntsuam thaum lub formulation yog txaus ruaj khov nyob rau hauv cov kev cia siab rau tej yam kev mob thiab tsis yuav tsum tau ib tug advanced dej-vapor los yog oxygen barrier. Cov neeg sib tw yuav muaj xws li xaiv cov ntsiav tshuaj, tshuaj ntsiav, vitamins, nutraceuticals thiab lwm yam khoom noj khoom haus tom qab ntim khoom.
Standard rigid PVC muab lub hauv paus ntim barrier, tab sis heev noo noo-rhiab heev los yog oxygen-sensitive tshuaj tshuaj tej zaum yuav xav tau ib tug muaj zog barrier qauv xws li PVC /PVDC, PVC /PE / PVDC, PVC / EVOH/LDPE, PC los yog lwm yam ntaub ntawv.
Wallis tam sim no muab khoom siv kws tshuaj nruj PVC blister zaj duab xis nyob rau hauv kwv yees li 0.15-0.80 hli thickness, nrog customized dav, xim, nto tiav thiab yob configuration muaj raws li kev pom zoo ntim specification.
PVDC, los yog polyvinylidene chloride, feem ntau yog siv los ua cov txheej thaiv txheej lossis cov khoom siv hauv cov tshuaj tua kab mob. Ib qho kev tsim qauv siv nruj PVC raws li lub hauv paus thermoformable thaum PVDC muab kev tiv thaiv ntxiv tiv thaiv dej-vapor thiab oxygen xa mus.
Tsis zoo li cov dawb PVC , qhov teeb meem kev ua tau zoo ntawm PVDC-raws li zaj duab xis tuaj yeem hloov kho los ntawm PVDC txheej hnyav, txheej txheej txheej thiab tag nrho cov txheej txheem ntau txheej . Qhov no tso cai rau cov neeg ua haujlwm ntim khoom kom phim cov txheej txheem sib txawv nrog cov kev xav tau ntawm cov tshuaj sib txawv.
Cov dej noo ntau dua li cov qauv mono PVC
Txhim kho oxygen thiab roj barrier
Pob tshab blister configurations tseem ua tau
Ntau theem barrier tuaj yeem tsim kho los ntawm txheej hnyav thiab qauv
Pab tau rau cov dej noo-rhiab heev thiab oxygen-sensitive formulations
Yuav tsim tau rau cov khoom siv thermoforming pa
Cov lus hais xws li 'PVDC yog kaum npaug zoo dua li PVC ' tsis yog qhov tseeb txaus rau kev xaiv cov ntim tshuaj. Barrier qhov tseem ceeb nyob ntawm qhov hnyav, lub hauv paus zaj duab xis, tag nrho thickness, kub, txheeb ze humidity, sib sau qhov tob thiab xeem txoj kev.
Cov neeg yuav khoom yuav tsum yog li thov ntsuas ntsuas WVTR thiab OTR qhov tseem ceeb ua ke nrog rau cov kev xeem uas siv tau ntau dua li tsuas yog tso siab rau cov ntsiab lus xws li cov txheej txheem teeb meem, teeb meem siab lossis ultra-high barrier.
EVOH, los yog ethylene vinyl cawv copolymer, yog ib qho kev ua tau zoo polymer feem ntau xaiv rau nws zoo heev tiv thaiv oxygen thiab lwm yam roj kis tau tus mob. Hauv kev ntim tshuaj nws feem ntau yog siv los ua cov txheej txheem ua haujlwm nyias nyias hauv cov txheej txheem multilayer es tsis yog ib leeg ib leeg txhav blister ua zaj duab xis.
Cov qauv xws li PVC / EVOH / LDPE muab cov polymers sib txawv vim tias ib qho khoom siv tsis zoo ib txwm muab qhov zoo tshaj plaws rigidity, gas barrier, noo noo barrier thiab kub sealing tib lub sij hawm.
EVOH tuaj yeem txo qis kev sib kis ntawm cov pa oxygen thiab yog li muaj feem cuam tshuam rau cov tshuaj oxygen-rhiab heev, kev kuaj mob, nutraceuticals thiab kev kho mob formulations uas oxidative degradation yog ib qho kev txhawj xeeb txog ntim.
EVOH yog rhiab heev rau ya raws. Nws cov pa oxygen-barrier kev ua tau zoo hloov pauv raws li cov av noo nce, uas yog vim li cas nws ib txwm encapsulated ntawm cov txheej txheem tiv thaiv polymer es tsis txhob raug cuam tshuam ncaj qha raws li thawj qhov chaw noo noo-barrier nto.
Ib puag ncig cov khaubncaws sab nraud povtseg xws li LDPE lossis lwm yam polyolefins tuaj yeem pab txo qis kev ya raws ntawm EVOH txheej, thaum tag nrho cov qauv yuav tsum tau tsim kom ua tiav qhov kawg xav tau OTR thiab WVTR.
Tsis tau. EVOH tsis muaj tshuaj chlorine thiab tuaj yeem muab tso rau hauv cov khoom ntim tshwj xeeb uas tsim los txhim kho kev rov ua dua tshiab, tab sis kev ua haujlwm ib puag ncig ntawm cov khoom siv tshuaj tiav yog nyob ntawm cov khoom tiav, cov feem pua ntawm cov khoom siv hauv cheeb tsam, cov khoom hnyav thiab kev tiv thaiv kev ua haujlwm.
Cov neeg yuav khoom yuav tsum tsis txhob kho qhov muaj EVOH ib leeg los ua pov thawj tias lub pob ntau txheej yog rov ua dua lossis ib puag ncig zoo dua.
Cov khoom siv Wallis PVC /EVOH/LDPE high-barrier ntim ntawv nyob rau hauv customized multilayer configurations rau tshuaj, kho mob, kuaj mob thiab kev kho mob ntim tej yaam num.
LDPE, los yog tsawg-density polyethylene, yog ib tug saj zawg zog polyolefin dav muaj nuj nqis rau tshav kub-sealing kev ua tau zoo, saj zawg zog thiab ya raws. Nyob rau hauv ntau lub tsev tshuaj multilayer nws ua hauj lwm raws li ib tug sealant, puab txheej los yog tiv thaiv txheej es tsis yog raws li cov thawj blister rigid tsim web.
Nyob rau hauv ib tug PVC /EVOH/LDPE qauv, PVC tuaj yeem muab kev ruaj khov thiab kev txhawb nqa thermoforming, EVOH txhawb nqa oxygen barrier, thiab LDPE tuaj yeem muab kev sib khi ua haujlwm thaum tseem pab tiv thaiv EVOH txheej los ntawm kev ya raws.
Zoo thermal sealing muaj peev xwm
Kev tsim kho txheej txheem yooj yim
Pab tau dej-vapor tsis kam nyob rau hauv ib tug engineered laminate
Muaj peev xwm tiv thaiv ya raws-rhiab hauv qhov thaiv txheej txheej
Pab tau nyob rau hauv multilayer tshuaj thiab kho mob ntim cov qauv
Lub xub ntiag ntawm LDPE tsis yog los ntawm nws tus kheej lav qhov tsim tshuaj foob. Foob qhov pib kub, lub sijhawm nyob, siab, qib LDPE, tuab thiab cov khoom siv mating tag nrho cuam tshuam qhov kawg foob lub zog thiab pob kev ncaj ncees.
Yog li ntawd, cov khoom tiav tiav yuav tsum raug soj ntsuam rau kev foob lub zog, cov channel, xau thiab kev ncaj ncees raws li kev tsim khoom, kev thauj mus los thiab kev cia khoom.
Kev sib piv ntawm lub hnub qub tuaj yeem ua rau cov khoom ntim tshuaj zoo dua vim tias plaub cov ntaub ntawv no ua haujlwm sib txawv. Cov lus hauv qab no muab kev sib piv engineering zoo dua.
| Khoom | PVC | PVDC | EVOH | LDPE |
|---|---|---|---|---|
| Hom Lub Luag Haujlwm | Rigid forming web | Barrier txheej / txheej | Oxygen/gas barrier txheej | Sealant / tiv thaiv txheej |
| Oxygen Barrier | Lub hauv paus | Txhim kho raws li qauv | Muaj zog heev raws li qhov tsim nyog | Tsawg tsawg piv nrog rau cov roj-barrier polymers |
| Moisture Barrier | Baseline rau standard blister siv | Muaj zog txhim kho nyob ntawm txheej thiab qauv | Tsis yog nws lub zog tseem ceeb; rhiab heev rau cov av noo | Kev tiv thaiv zoo noo noo ua ib feem ntawm cov txheej txheem ntau txheej |
| Thermoforming luag hauj lwm | Cov khoom tsim thawj | Nquag txhawb nqa los ntawm thermoformable substrate | Siv ua txheej sab hauv; tag nrho cov qauv yuav tsum yog formable | Siv nyob rau hauv saj zawg zog los yog multilayer qauv |
| Pob tshab | Siab nrog cov qhab nia meej | Cov qauv pob tshab tuaj yeem ua tau | Transparent multilayers ua tau | Nyob ntawm qib thiab cov qauv |
| Kev xaiv zoo tshaj plaws Logic | Standard blister xav tau formability thiab nruab nrab barrier | Ntau dua noo noo thiab tiv thaiv oxygen | Muaj zog oxygen-barrier yuav tsum tau nyob rau hauv multilayer ntim | Sealing thiab noo noo-txhawb muaj nuj nqi nyob rau hauv multilayer lug |
Oxygen Transmission Rate (OTR) ntsuas cov pa oxygen ntau npaum li cas dhau los ntawm cov khoom ntim raws li kev ntsuas ntsuas. OTR yog qhov tseem ceeb tshwj xeeb rau cov khoom siv tshuaj uas tuaj yeem ua rau oxidative degradation.
Water Vapor Transmission Rate (WVTR) ntsuas dej-vapor permeation los ntawm cov qauv ntim raws li cov kev cai. WVTR yog ib qho tseem ceeb tshwj xeeb rau cov ntsiav tshuaj hygroscopic, tshuaj ntsiav thiab cov tshuaj uas nws ruaj khov hloov nrog cov dej noo.
Barrier qhov tseem ceeb tuaj yeem hloov nrog qhov kub thiab txias, txheeb ze av noo, tuab thiab ntsuas txoj kev. Yog li ntawd, ob qhov kev qhia tshwj xeeb ntawm tus neeg muag khoom yuav tsum tsis txhob muab piv tshwj tsis yog tias cov xwm txheej tau tshaj tawm yog sib npaug.
Ib qho RFQ yuav tsum tau hais txog lub hom phiaj OTR lossis WVTR ua ke nrog qhov kub thiab txias, txheeb ze av noo thiab siv txoj hauv kev.
Pharmaceutical films yog stretched thaum lub sij hawm thermoforming. Raws li cov yeeb yaj kiab nkag mus rau hauv qhov tob tob, cov khoom yuav thinner ntawm cov kab noj hniav thiab cov ces kaum. Qhov no tuaj yeem hloov pauv ob qho tib si lub zog thiab kev cuam tshuam kev ua tau zoo piv nrog cov ntsiab lus ntawm cov yeeb yaj kiab qub.
Rau cov khoom lag luam tseem ceeb, cov tshuab ntim khoom yuav tsum yog li ntsuas qhov cuam tshuam thiab kev ncaj ncees ntawm cov khoom tiav tiav , tsis yog OTR lossis WVTR ntawm cov khoom qub qub.
Kev tsim qhov tob, kos piv, cua sov profile, kab noj hniav thiab txheej txheej yuav tsum tau txiav txim siab thaum tsim nyog.
Pharmaceutical blister yog ib qho kev ntim khoom tiav uas muaj lub vev xaib tsim, cov khoom siv tshuaj, cov khoom siv lidding thiab foob. Xaiv cov yeeb yaj kiab hauv qab uas tsim nyog yam tsis tau lees paub txog kev sib raug zoo ntawm lub hau tuaj yeem ua rau lub zog foob tsis zoo lossis pob-kev ntseeg tsis raug.
Pa PVC hlwv feem ntau siv txhuas lidding ntawv ci nrog lub tshav kub-seal lacquer tsim los rau daim ntawv cog lus rau PVC . Cov txheej txheem ntau yam uas muaj PE lossis LDPE yuav xav tau kev sib khi sib txawv. Yog li ntawd, tus neeg yuav khoom yuav tsum muab cov ntaub ntawv pov thawj tam sim no thaum tsim nyog hloov cov yeeb yaj kiab.
Txiav txim siab seb cov txheej txheem ntim khoom puas nkag siab feem ntau rau cov dej noo, oxygen, lub teeb, kub lossis kev sib xyaw ua ke ntawm cov xwm txheej no. Cov pob yuav tsum raug xaiv los tiv thaiv cov khoom thoob plaws nws lub neej txee.
Hloov cov kev xav tau ruaj khov mus rau hauv lub hom phiaj ntim khoom ntsuas qhov twg ua tau. Tsis txhob muab cov lus qhia tshwj xeeb uas tsuas yog hais tias 'high barrier' yam tsis tau txhais qhov xav tau cov pa oxygen thiab dej vapor kis tau zoo.
Kub thiab av noo thaum khaws cia thiab faib khoom tuaj yeem cuam tshuam kev ua haujlwm ntawm pob. Cov khoom xa mus rau cov huab cua kub thiab av noo tuaj yeem xav tau qhov sib txawv ntawm qhov sib txawv ntawm cov khoom lag luam muab faib raws li qhov xav tau tsawg dua.
Cov ntsiav tshuaj qhov ntev, capsule loj, kab noj hniav qhov tob thiab kos qhov piv ntawm cov khoom siv thinning thaum lub sij hawm thermoforming. Yog li nominal thickness ntawm lub tiaj zaj duab xis yuav tsum tau xaiv ua ke nrog cov kab noj hniav tiav lawm.
Tshuab cua sov zones, txoj kev tsim, kab ceev, web dav, sealing system thiab kev sau npe yuav cuam tshuam cov khoom xaiv. Cov neeg yuav khoom hloov tus neeg muag khoom uas twb muaj lawm yuav tsum muab cov kev qhia zaj duab xis tam sim no thiab tshuab qauv thaum twg los tau.
Muab cov ntawv ci los yog sealing-web specification, xav tau lub zog sealing thiab sealing tej yam kev mob kom tiav kev sib sau-web thiab lidding ua ke yuav raug soj ntsuam.
Cov khoom tsim nyog yuav tsum suav nrog cov khoom tsim thiab ntim khoom raws li cov khoom tsim, kev thauj mus los, kev cia thiab kev ruaj ntseg es tsis yog cia siab rau ib tus neeg xa khoom cov ntaub ntawv ua yeeb yaj kiab.
| Ntim Cov Qauv | Tseem Ceeb Lub Zog Muaj Peev Xwm | Txheej Txheem Xaiv Logic |
|---|---|---|
| Mono PVC | Thermoforming, clarity thiab nqi efficiency | Cov khoom lag luam nrog cov kev cai cuam tshuam me ntsis |
| PVC /PVDC | Txhim kho noo noo thiab oxygen barrier | Moisture- lossis oxygen-sensitive cov khoom yuav tsum tau pob tshab thermoformed ntim |
| PVC /PE/PVDC | High barrier ua ke nrog multilayer forming los yog sealing functionality | Xav tau ntau dua barrier thiab hloov cov kev xav tau |
| PVC /EVOH/LDPE | Muaj zog oxygen barrier ntxiv rau sealing functionality | Oxygen-sensitive cov khoom uas yuav tsum tau ib tug pob tshab multilayer qauv |
| PC TFE-Based Film | High noo noo barrier | Cov txheej txheem dej noo-rhiab heev uas cov txheej txheem qis-barrier tsis ua raws li lub hom phiaj ruaj khov |
| Txias-Form Aluminium | High noo noo, oxygen thiab tiv thaiv lub teeb | Cov khoom uas yuav tsum tau muaj kev txwv siab tshaj plaws uas tsis muaj qhov pom tseeb |
Ib yam khoom uas tau piav raws li 'pharmaceutical grade' yuav tsum tsis txhob raug kho raws li cov pov thawj tias txhua pob tiav lawm yuav haum rau txhua yam tshuaj lossis kev lag luam.
Cov tuam txhab lag luam yuav tsum ntsuas qhov tsim nyog ntawm kev ntim khoom tiav raws li cov khoom lag luam npaj, kev sib cuag, kev txwv tsis pub, kev sib raug zoo, kev nyab xeeb, kev tiv thaiv, txheej txheem tsim khoom thiab siv cov kev cai ntawm kev lag luam.
Cov neeg yuav khoom yuav tsum tau thov cov lus qhia tshwj xeeb, cov ntawv xeem thiab cov ntaub ntawv tswj hwm rau cov khoom siv tiag tiag uas tsim nyog thiab ua tiav lawv tus kheej pob-kev txhim kho thiab kev ruaj ntseg-validation txheej txheem.
Sustainability tsis tuaj yeem hais meej meej los ntawm kev muab PVC , PVDC, EVOH thiab LDPE ib qho yooj yim tus naj npawb ntawm 'eco-friendly hnub qub.' Ib pob kws tshuaj yuav tsum xub muab qhov thaiv thiab kev ncaj ncees uas xav tau los tiv thaiv cov tshuaj thoob plaws hauv nws lub neej txee.
Cov yam tseem ceeb ntawm kev ruaj ntseg tuaj yeem suav nrog tag nrho cov khoom hnyav, muaj pes tsawg leeg ntawm cov khoom siv, cov ntsiab lus halogen, rov ua dua tshiab hauv cov dej hauv cheeb tsam, kev tsim khoom, kev ua haujlwm ntawm cov hneev taw, cov khoom ntim khoom thib ob thiab kev pheej hmoo ntawm cov khoom lag luam poob los ntawm kev tiv thaiv tsis txaus.
Kev lag luam ntim tshuaj yog tsim cov khoom siv mono-cov khoom thiab polyolefin-raws li cov qauv, suav nrog cov qauv tsim uas siv EVOH ua cov txheej txheem nyias nyias. Txawm li cas los xij, kev thov rov ua dua tshiab yuav tsum raug txheeb xyuas rau cov pob tiav tiav thiab cov phiaj xwm kev tswj cov khib nyiab.
Daim ntawv thov ntim: ntsiav tshuaj blister, capsule blister, nutraceutical, kuaj mob, kho mob lossis lwm hom.
Cov qauv uas twb muaj lawm: PVC , PVC /PVDC, PVC /PE/PVDC, PVC /EVOH/LDPE los yog tam sim no tus neeg xa khoom TDS.
Tag nrho cov thickness: yuav tsum tau zaj duab xis los yog daim ntawv ntsuas.
Txheej txheej: txheej hnyav lossis txheej piv uas twb tau hais tseg lawm.
Lub hom phiaj OTR: suav nrog qhov kub thiab txias, RH thiab cov qauv ntsuas.
Lub hom phiaj WVTR: suav nrog qhov ntsuas kub, RH thiab cov qauv ntsuas.
Blister tshuab: chaw tsim tshuaj paus, qauv thiab kab ceev uas cuam tshuam.
Kab noj hniav qhov ntev: ntsiav tshuaj / capsule loj, kab noj hniav qhov tob thiab kos duab.
Lidding khoom: aluminium ntawv ci los yog lwm yam sealing-web specification.
Roll specification: dav, tub ntxhais txoj kab uas hla, yob txoj kab uas hla thiab winding yuav tsum tau.
Xim thiab clarity: ntshiab, tinted, opaque los yog customized xim.
Cia huab cua: xav tau qhov kub thiab txias.
Kev lag luam chaw: lub teb chaws lossis cheeb tsam thiab cov ntaub ntawv xav tau.
Quantity: qauv, validation kom muaj nuj nqis thiab xav tau kev lag luam xav tau.
Wallis muab ntau yam nruj thiab ntau txheej tshuaj ntim cov ntaub ntawv, suav nrog dawb PVC blister film, PVDC-based high-barrier structures thiab PVC /EVOH/LDPE multilayer sheet rau txawv barrier thiab converting yuav tsum.
Khoom thickness, dav, xim, opacity, yob qhov ntev, core loj thiab multilayer configuration yuav tham raws li tus neeg muas zaub lub blister tshuab thiab pom zoo ntim specification.
Rau cov phiaj xwm kev thaiv siab, cov neeg yuav khoom tuaj yeem muab lawv lub hom phiaj oxygen thiab dej-vapor kis tau tus mob es tsis txhob cia siab rau cov lus piav qhia dav dav xws li nruab nrab barrier lossis siab barrier.
Cov ntaub ntawv ntim tshuaj yuav tsum raug soj ntsuam ntawm cov khoom siv tsim khoom tsim nyog thiab tsim nyog nrog cov khoom siv tiag tiag, tsim cov xwm txheej, lidding system thiab kev cia khoom ua ntej kev lag luam.
Rigid PVC feem ntau yog siv los ua cov thermoformable forming web uas tsim cov ntsiav tshuaj los yog capsule kab noj hniav. Nws muaj kev sib xyaw ua ke ntawm kev pom tseeb, rigidity, tsim kev ua tau zoo thiab tus nqi ua haujlwm.
Plain PVC feem ntau muab cov thermoforming thiab kev txhawb nqa. PVDC-coated los yog PVDC-muaj cov qauv ntxiv kev tiv thaiv ntau dua rau dej-vapor thiab oxygen xa mus. Qhov kev txhim kho qhov thaiv qhov tseeb nyob ntawm qhov hnyav ntawm txheej thiab tag nrho cov qauv.
Tsis yog. PVDC muab kev cuam tshuam ntxiv rau kev ua haujlwm tab sis kuj tsim kom muaj kev sib tw ntau dua thiab feem ntau yog tus nqi siab dua. Plain PVC tej zaum yuav txaus thaum kev tshawb fawb kev ruaj ntseg qhia tau tias cov tshuaj tsis xav tau qhov kev thaiv ntxiv.
EVOH feem ntau yog xaiv rau nws cov pa oxygen thiab roj barrier zoo heev. Nws yog ib txwm koom ua ke ua ib txheej sab hauv hauv cov txheej txheem ntim ntau.
Moisture barrier tsis yog EVOH lub luag haujlwm tseem ceeb. EVOH yog cov av noo-rhiab heev, yog li nws feem ntau tiv thaiv los ntawm ib puag ncig cov txheej txheem polymer. Tag nrho WVTR ntawm tag nrho cov txheej txheem multilayer yuav tsum tau soj ntsuam nyias.
LDPE tuaj yeem muab kev ua haujlwm kub-sealing, yoog raws thiab kev tiv thaiv noo noo thaum pab cais cov EVOH oxygen barrier txheej los ntawm cov av noo.
Tsis ib txwm. LDPE feem ntau yog siv los ua ib qho kev sib khi yooj yooj yim lossis cov txheej txheem ua haujlwm hauv ntau txheej txheej. Rigid PVC los yog lwm yam thermoformable rigid polymer feem ntau muab cov txheej txheem blister kab noj hniav.
OTR txhais tau tias Oxygen Transmission Rate. Nws ntsuas cov pa oxygen permeation los ntawm cov khoom ntim raws li cov xwm txheej tshwj xeeb thiab yog qhov tseem ceeb rau cov khoom siv oxygen.
WVTR txhais tau tias Dej Vapor Transmission Rate. Nws ntsuas dej-vapor permeation los ntawm cov khoom ntim raws li cov xwm txheej tshwj xeeb thiab tseem ceeb tshwj xeeb rau cov khoom lag luam noo noo.
Tsuas yog thaum ntsuas qhov tseem ceeb siv cov khoom sib piv cov thicknesses, qhov kub thiab txias, txheeb ze humidities thiab cov qauv ntsuas. Barrier naj npawb qhia nyob rau hauv txawv tej yam kev mob yuav tsum tsis txhob raug kho raws li ncaj qha sib npaug.
Yog lawm. Thermoforming stretches cov khoom thiab tuaj yeem txo cov tuab ntawm cov txheej txheem ntawm cov kab noj hniav thiab cov ces kaum. Cov khoom tseem ceeb yuav tsum tau soj ntsuam siv lub pob tsim tiag tiag.
Yog tsis muaj universal teb. High-PVDC, PC TFE-raws li los yog txias-daim ntawv txhuas qauv tej zaum yuav raug soj ntsuam thaum uas tsis tshua muaj dej-vapor kis tau tus mob yuav tsum tau. Qhov kev txiav txim zaum kawg yuav tsum yog raws li cov ntaub ntawv tshuaj-stability thiab ntim-validation.
EVOH-muaj cov txheej txheem ntau txheej tuaj yeem yog cov neeg sib tw muaj zog qhov kev tiv thaiv oxygen yog qhov tseem ceeb. PVDC thiab lwm yam kev teeb tsa siab kuj tseem yuav raug txiav txim siab nyob ntawm cov dej noo, tsim thiab kev tswj hwm.
Kev rov ua dua tshiab nyob ntawm qhov ua tiav ntau txheej txheej, EVOH feem pua, lwm yam polymers, cov khoom siv hauv tsev thiab cov kwj deg hauv zos. Lub xub ntiag ntawm EVOH ib leeg tsis ua pov thawj tias cov khoom siv tshuaj tiav tuaj yeem rov ua dua.
Yog lawm. Cov neeg yuav khoom yuav tsum ntsuas kev sib sau, sib khi, luam tawm qhov cuam tshuam, qhov ruaj khov, kev ua tiav-pob kev ncaj ncees thiab yuav tsum muaj kev cuam tshuam kev ua haujlwm ntawm cov khoom ntim khoom npaj ua ntej kev lag luam tsim nyog.
PVC , PVDC, EVOH thiab LDPE yuav tsum tsis txhob saib tsuas yog plaub qhov sib tw tshuaj hlwv zaj duab xis. Txhua lub polymer ua haujlwm sib txawv, thiab ntau txheej ntim ua haujlwm los ntawm kev sib txuas cov haujlwm no rau hauv cov qauv sib txuam nrog cov khoom siv tshuaj.
PVC muab rigidity thiab thermoforming. PVDC txhim kho cov dej noo thiab oxygen barrier. EVOH muab kev tiv thaiv oxygen thiab roj muaj zog tab sis ib txwm yuav tsum muaj kev tiv thaiv cov khaubncaws sab nraud povtseg. LDPE muab kev sib khi thiab txhawb nqa kev tiv thaiv noo noo nyob rau hauv ntau txheej txheej.
Rau ib txoj haujlwm ntim tshuaj tshiab, muab Wallis nrog koj cov qauv tam sim no, lub hom phiaj OTR thiab WVTR, zaj duab xis thickness, kab noj hniav geometry, cov ntaub ntawv blister-tshuab, lidding specification, lo lus teb huab cua thiab yuav tsum muaj kom muaj nuj nqis yog li cov khoom tsim nyog yuav raug soj ntsuam rau cov qauv tsim nyog.
