Retorthnab yog ua los ntawm ntau txheej nyias nyias cov ntaub ntawv, uas yog qhuav los yog co extruded los ua ib tug tej yam me me hnab. Cov ntaub ntawv muaj pes tsawg leeg tuaj yeem muab faib ua 9 hom, thiab covrov hais dualub hnab ua yuav tsum muaj peev xwm tiv taus qhov kub thiab txias kom tsis muaj menyuam. Nws cov qauv tsim yuav tsum ua kom tau raws li qhov yuav tsum tau ua kom zoo thaum tshav kub kub sealing, kub tsis kam, dej tsis kam, siab zog, thiab kev ua haujlwm siab.
1. PET zaj duab xis
BOPET zaj duab xis yog tsim los ntawm extruding PET resin los ntawm T zaj duab xis thiab biaxially stretching, uas muaj cov khoom zoo heev.
(1) Kev ua haujlwm zoo txhua yam. Lub zog tensile ntawm BOPET zaj duab xis yog qhov siab tshaj plaws ntawm tag nrho cov yas zaj duab xis, thiab cov khoom nyias nyias tuaj yeem ua tau raws li qhov xav tau, muaj zog rigidity thiab siab hardness.
(2) Zoo heev txias thiab kub tsis kam. Qhov ntsuas kub ntawm BOPET zaj duab xis yog los ntawm 70 mus rau 150 ℃, tswj lub cev zoo tshaj qhov kub ntau, ua rau nws haum rau feem ntau ntawm cov khoom ntim.
(3) Kev ua haujlwm zoo heev ntawm kev thaiv. Nws muaj kev ua tau zoo ntawm dej thiab roj ua haujlwm, tsis zoo li nylon, uas cuam tshuam zoo heev los ntawm cov av noo. Nws cov dej tsis kam yog zoo ib yam li PE, thiab nws cov permeability coefficient tsawg heev. Nws muaj kev tiv thaiv siab rau huab cua thiab tsw, thiab yog ib qho ntawm cov khoom siv tshuaj tsw qab.
(4) Tshuaj tiv thaiv, roj kuj, nrog rau feem ntau cov kuab tshuaj, dilute acids, dilute alkalis, thiab lwm yam.
2. BOPA zaj duab xis
BOPA zaj duab xis yog biaxial stretching zaj duab xis, uas tuaj yeem tau txais los ntawm tshuab thiab biaxial stretching ib txhij. Cov yeeb yaj kiab kuj tseem tuaj yeem maj mam nthuav dav siv txoj kev T-pwm extrusion, lossis ib txhij biaxially stretched siv txoj kev tshuab moulding. Cov yam ntxwv ntawm BOPA zaj duab xis yog raws li nram no:
(1) Zoo heev toughness. Lub zog tensile, lub zog tsim kua muag, lub zog cuam tshuam, thiab lub zog tawg ntawm BOPA zaj duab xis yog tag nrho cov zoo tshaj plaws ntawm cov ntaub ntawv yas.
(2) Kev ua tau zoo tshaj plaws, rab koob qhov tsis kam, thiab qhov nyuaj ntawm kev xuas nrig ntaus cov ntsiab lus yog ib qho tseem ceeb ntawm BOPA, nrog kev ua tau zoo thiab kev ntim khoom zoo.
(3) Cov khoom tiv thaiv zoo, zoo aroma tuav, zoo heev tiv thaiv cov tshuaj uas tsis muaj zog acids, tshwj xeeb tshaj yog roj kuj.
(4) Qhov kub thiab txias yog qhov dav, nrog lub ntsiab lus melting ntawm 225 ℃, thiab tuaj yeem siv tau ntev ntawm -60 ~ 130 ℃. Cov khoom siv kho tshuab ntawm BOPA nyob ruaj khov ntawm qhov kub thiab txias.
(5) Kev ua tau zoo ntawm BOPA zaj duab xis cuam tshuam zoo heev los ntawm cov av noo, tshwj xeeb tshaj yog nyob rau hauv cov nqe lus ntawm qhov ruaj khov thiab cov khoom thaiv. Tom qab ntub dej, BOPA zaj duab xis feem ntau elongates tom qab, tsuas yog wrinkling. Longitudinal shortening, nrog qhov siab tshaj plaws elongation ntawm 1%.
3. CPP zaj duab xis
CPP zaj duab xis, tseem hu ua cam khwb cia polypropylene zaj duab xis, yog ib tug tsis stretching, tsis oriented polypropylene zaj duab xis. Muab faib ua homopolymer CPP thiab copolymer CPP raws li raw khoom. Lub ntsiab raw khoom rau qib CPP zaj duab xis yog thaiv copolymer cuam tshuam resistant polypropylene. Cov kev xav tau ntawm kev ua tau zoo yog: qhov muag muag kub ntawm Vicat yuav tsum siab dua qhov kub ua noj, qhov cuam tshuam tsis zoo yuav tsum zoo dua, qhov nruab nrab kuj yuav tsum zoo dua, thiab cov ntses qhov muag thiab cov khoom siv lead ua yuav tsum tsawg li tsawg tau.
4. Aluminium ntawv ci
Aluminium ntawv ci yog tib hom ntawv hlau hlau hauv cov khoom ntim mos, siv rau cov khoom ntim nrog lub sijhawm ntev. Aluminium ntawv ci yog cov khoom siv hlau uas tsis muaj dej tsis sib xws, tsis muaj roj, tiv thaiv lub teeb, thiab tsw qab tuav cov khoom piv rau lwm yam khoom ntim. Nws yog cov khoom ntim khoom uas tsis tuaj yeem hloov pauv mus rau hnub no.
5. Ceramic evaporation txheej
Ceramic vapor txheej yog ib hom tshiab ntim zaj duab xis, uas yog tau los ntawm vaporizing hlau oxides rau saum npoo ntawm yas zaj duab xis los yog ntawv raws li lub substrate nyob rau hauv lub tshuab nqus tsev siab. Cov yam ntxwv ntawm ceramic vapor txheej feem ntau suav nrog:
(1) Kev tiv thaiv zoo heev, yuav luag piv rau cov ntaub ntawv aluminium foil.
(2) Zoo pob tshab, microwave permeability, kub tsis kam, haum rau microwave zaub mov.
(3) Cov tshuaj tsw qab zoo. Cov nyhuv zoo ib yam li iav ntim, thiab nws yuav tsis tsim cov ntxhiab tsw tom qab kev cia ntev ntev lossis kev kho kub kub.
(4) Zoo ib puag ncig tus phooj ywg. Tsawg combustion tshav kub thiab tsawg residue tom qab incineration.
6. Lwm cov yeeb yaj kiab nyias
(1) PEN zaj duab xis
Cov qauv ntawm PEN zoo ib yam li PET, thiab nws muaj ntau yam khoom ntawm PET, thiab yuav luag tag nrho nws cov khoom yog siab dua PET. Kev ua tau zoo tshaj plaws, lub zog siab, kev ua haujlwm kub zoo, kev ua haujlwm zoo, thiab kev pom tseeb. Qhov zoo tshaj UV tsis kam yog qhov tseem ceeb tshaj plaws ntawm PEN. PEN txoj kev thaiv rau cov dej vapor yog 3.5 npaug ntawm tus tsiaj, thiab nws qhov kev thaiv rau ntau yam gases yog plaub npaug ntawm tus tsiaj.
(2) BOPI zaj duab xis
BOPI muaj qhov kub thiab txias ntau yam, xws li -269 txog 400 ℃. Cov yeeb yaj kiab uas tau ua tiav cov tshuaj tiv thaiv tsis muaj qhov melting point, thiab cov iav hloov pauv kub ntawm 360 txog 410 ℃. Nws tuaj yeem siv tsis tu ncua hauv huab cua ntawm 250 ℃ rau ntau tshaj 15 xyoo yam tsis muaj kev hloov pauv tseem ceeb. BOPI muaj kev ua tau zoo tshaj plaws, lub cev muaj zog thiab kev ua haujlwm siab, hluav taws xob tiv thaiv, tshuaj hnyav ua haujlwm, qhov ruaj khov, thiab yoog raws thiab folding kuj.
(3) PBT zaj duab xis
PBT zaj duab xis yog ib qho ntawm cov thermoplastic polyester zaj duab xis, uas yog butylene terephthalate zaj duab xis. Qhov ceev yog 1.31-1.34g / cm³, melting point yog 225 ~ 228 ℃, thiab iav hloov kub yog 22 ~ 25 ℃. PBT zaj duab xis muaj cov khoom zoo dua piv rau PET zaj duab xis. PBT muaj qhov ua tau zoo ntawm cov cua sov, tsis muaj roj, tsis muaj ntxhiab tsw, thiab cov khoom siv hluav taws xob sib khi, ua rau nws tsim nyog rau cov hnab ntim khoom siv hauv kev tsim cov khoom noj microwave. PBT zaj duab xis muaj cov khoom thaiv zoo thiab tuaj yeem siv rau ntim khoom noj khoom haus. PBT zaj duab xis muaj tshuaj tiv thaiv zoo heev.
(4) TPX zaj duab xis
TPX zaj duab xis yog tsim los ntawm copolymerization ntawm 4-methylpentene-1 nrog ib tug me me ntawm 2-olefin (3% ~ 5%), thiab yog lub lightest yas nrog ib tug tshwj xeeb gravity ntawm tsuas yog 0.83g / cm³, Lwm yam kev ua tau zoo kuj heev. zoo heev. Tsis tas li ntawd, TPX muaj cov cua sov zoo thiab yog cov khoom siv hluav taws xob zoo tshaj plaws ntawm polyolefins. Nws muaj crystallization melting point ntawm 235 ℃, zoo mechanical zog, siab tensile modulus thiab tsis elongation, muaj zog tshuaj tsis kam, roj kuj, siab tsis kam mus rau acid, alkali, thiab dej, thiab kuj rau feem ntau hydrocarbons. Nws tuaj yeem tiv taus qhov kub thiab txias txog li 60 ℃, tshaj tag nrho lwm cov yas pob tshab. Nws muaj lub siab transparency thiab transmittance ntawm 98%. Nws cov tsos yog crystal ntshiab, zoo nkauj, thiab muaj zog microwave nkag.
Yog tias koj muaj kev xav tau ntawm lub hnab retort, koj tuaj yeem tiv tauj peb. Raws li cov chaw tsim khoom lag luam hloov pauv tau ntau dua 20 xyoo, peb yuav muab koj cov kev daws teeb meem zoo raws li koj cov khoom xav tau thiab peev nyiaj.
Post lub sij hawm: Nov-04-2023
