Yas ntim zaj duab xisyog ib qho ntawm cov khoom siv ntim khoom hloov tau yooj yim. Muaj ntau ntau hom yas ntim zaj duab xis nrog cov yam ntxwv sib txawv, thiab lawv cov kev siv sib txawv raws li cov khoom sib txawv ntawm cov ntim zaj duab xis.
Ntim zaj duab xis muaj zoo toughness, noo noo tsis kam, thiab tshav kub sealing kev ua tau zoo, thiab yog dav siv: PVDC ntim zaj duab xis yog haum rau ntim khoom noj thiab muaj peev xwm tswj tau lub freshness rau lub sij hawm ntev; Thiab dej-soluble PVA ntim zaj duab xis tuaj yeem siv tsis tau qhib thiab tso ncaj qha rau hauv dej; PC ntim zaj duab xis tsis muaj ntxhiab tsw, tsis muaj tshuaj lom, nrog cov pob tshab thiab luster zoo ib yam li iav ntawv, thiab tuaj yeem ua rau steamed thiab sterilized nyob rau hauv qhov kub thiab txias.
Nyob rau hauv xyoo tas los no, lub ntiaj teb no thov rau cov yas ntim zaj duab xis tau qhia ib tug tas mus li upward trend, tshwj xeeb tshaj yog raws li cov ntaub ntawv ntim txuas ntxiv hloov los ntawm cov ntim nyuaj rau cov ntim mos. Qhov no tseem yog qhov tseem ceeb uas ua rau muaj kev loj hlob ntawm kev thov rau ntim cov ntaub ntawv zaj duab xis. Yog li, koj puas paub hom thiab kev siv cov yas ntim zaj duab xis? Kab lus no yuav qhia txog cov khoom thiab siv ntau lub hnab yas ntim zaj duab xis
1. Polyethylene ntim zaj duab xis
PE ntim zaj duab xis yog siv dav siv cov yas ntim zaj duab xis, suav txog ntau dua 40% ntawm tag nrho cov khoom siv yas ntim zaj duab xis. Txawm hais tias PE ntim zaj duab xis tsis zoo tagnrho rau cov tsos, lub zog, thiab lwm yam, nws muaj qhov zoo toughness, noo noo tsis kam, thiab kub sealing kev ua tau zoo, thiab yooj yim rau txheej txheem thiab tsim ntawm tus nqi qis, yog li nws yog dav siv.
a. Tsawg ceev polyethylene ntim zaj duab xis.
LDPE ntim zaj duab xis yog tsim los ntawm extrusion tshuab moulding thiab T-pwm txoj kev. Nws yog ib qho yooj yim thiab pob tshab ntim zaj duab xis uas tsis muaj tshuaj lom thiab tsis muaj ntxhiab, nrog lub thickness feem ntau ntawm 0.02-0.1mm. Nws muaj kev tiv thaiv dej zoo, tiv thaiv dej noo, drought tsis kam, thiab tshuaj lom neeg ruaj khov. Ib qho loj ntawm cov ntaub ntawv pov thawj noo noo thiab ntim cov khoom noj khov siv rau cov khoom noj, tshuaj, khoom siv txhua hnub, thiab cov khoom siv hlau. Tab sis rau cov khoom uas muaj kev nqus dej noo siab thiab cov dej noo tsis zoo, cov khoom ntim zoo dua noo noo thiab cov ntaub ntim cov ntaub ntawv sib xyaw yuav tsum tau siv rau ntim. LDPE ntim zaj duab xis muaj huab cua permeability siab, tsis muaj tshuaj tsw qab tuav, thiab cov roj tsis zoo, ua rau nws tsis tsim nyog rau ntim tau yooj yim oxidized, flavored, thiab oily zaub mov. Tab sis nws txoj kev ua pa ua rau nws tsim nyog rau kev ntim cov khoom tshiab xws li txiv hmab txiv ntoo thiab zaub. LDPE ntim zaj duab xis muaj cov thermal adhesion zoo thiab tsis tshua muaj kub kub sealing zog, yog li nws yog feem ntau siv los ua cov nplaum txheej thiab txheej txheej kub sealing rau cov khoom ntim cov yeeb yaj kiab. Txawm li cas los xij, vim nws tsis muaj cua sov tsis zoo, nws tsis tuaj yeem siv los ua cov txheej txheem cua sov rau cov hnab ua noj.
b. High density polyethylene ntim zaj duab xis. HDPE ntim zaj duab xis yog ib qho tawv semi pob tshab ntim zaj duab xis nrog lub ntsej muag dawb thiab lub ntsej muag tsis zoo. HDPE ntim zaj duab xis muaj lub zog tensile zoo dua, noo noo tsis kam, kub tsis kam, roj tsis kam, thiab tshuaj lom neeg ruaj khov dua li LDPE ntim zaj duab xis. Nws kuj tseem tuaj yeem raug kaw, tab sis nws cov pob tshab tsis zoo li LDPE. HDPE tuaj yeem ua rau nyias ntim zaj duab xis nrog lub thickness ntawm 0.01mm. Nws zoo nkaus li zoo ib yam li daim ntawv nyias nyias, thiab nws xis nyob rau qhov kov, tseem hu ua ntawv zoo li zaj duab xis. Nws muaj lub zog zoo, toughness, thiab qhib. Txhawm rau txhim kho daim ntawv zoo li xav thiab txo cov nqi, ib qho me me ntawm lub teeb yuag calcium carbonate tuaj yeem ntxiv. HDPE ntawv zaj duab xis yog siv los ua ntau lub hnab khw, hnab khib nyiab, hnab ntim txiv hmab txiv ntoo, thiab ntau lub hnab ntim khoom noj. Vim nws tsis zoo airtightness thiab tsis muaj cov ntxhiab tuav, lub sij hawm cia ntawm ntim khoom noj tsis ntev. Tsis tas li ntawd, HDPE ntim zaj duab xis tuaj yeem siv los ua cov txheej txheem cua sov rau cov hnab ntim khoom noj vim nws cov cua sov zoo.
c. Linear low-density polyethylene ntim zaj duab xis.
LLDPE ntim zaj duab xis yog ib qho tshiab tsim ntau yam ntawm polyethylene ntim zaj duab xis. Piv nrog LDPE ntim zaj duab xis, LLDPE ntim zaj duab xis muaj zog tensile thiab cuam tshuam ntau dua, lub zog tsim kua muag, thiab puncture kuj. Nrog tib lub zog thiab kev ua haujlwm zoo li LDPE ntim zaj duab xis, lub thickness ntawm LLDPE ntim zaj duab xis tuaj yeem raug txo mus rau 20-25% ntawm LDPE ntim zaj duab xis, yog li txo cov nqi. Txawm tias thaum siv los ua lub hnab ntim hnyav, nws cov tuab tsuas yog yuav tsum yog 0.1 hli kom tau raws li qhov yuav tsum tau ua, uas tuaj yeem hloov cov khoom kim heev polymer high-density polyethylene. Yog li ntawd, LLDPE yog qhov tsim nyog rau kev ntim khoom txhua hnub, ntim khoom noj khov, thiab tseem siv dav hauv cov hnab ntim hnyav thiab cov hnab khib nyiab.
2. Polypropylene ntim zaj duab xis
PP ntim zaj duab xis tau muab faib ua cov ntawv ntim tsis tau ntim thiab biaxially stretched ntim zaj duab xis. Ob hom ntim zaj duab xis muaj qhov sib txawv ntawm qhov ua tau zoo, yog li lawv yuav tsum raug suav hais tias yog ob hom ntim zaj duab xis sib txawv.
1) Unstretched polypropylene ntim zaj duab xis.
Untretched polypropylene ntim zaj duab xis muaj xws li tshuab polypropylene ntim zaj duab xis (IPP) ua los ntawm extrusion tshuab moulding txoj kev thiab extruded cam khwb cia polypropylene ntim zaj duab xis (CPP) ua los ntawm T-pwm txoj kev. Lub pob tshab thiab tawv ntawm PP ntim zaj duab xis yog qhov tsis zoo; Thiab nws muaj siab transparency thiab zoo toughness. CPP ntim zaj duab xis tau zoo dua pob tshab thiab glossiness, thiab nws cov tsos zoo ib yam li cov iav ntawv. Piv nrog rau PE ntim zaj duab xis, unstretched polypropylene ntim zaj duab xis tau zoo dua pob tshab, glossiness, noo noo tsis kam, kub tsis kam, thiab roj kuj; High mechanical zog, zoo tsim kua muag, puncture kuj, thiab hnav tsis kam; Thiab nws yog non-toxic thiab tsw. Yog li ntawd, nws yog dav siv rau ntim khoom noj, tshuaj, textiles thiab lwm yam khoom. Tab sis nws muaj kev qaug zog tsis zoo thiab ua nkig ntawm 0-10 ℃, yog li nws tsis tuaj yeem siv rau ntim cov khoom noj khov. Untretched polypropylene ntim zaj duab xis muaj cov cua kub tsis kam thiab ua haujlwm zoo thaum tshav kub kub sealing, yog li nws feem ntau yog siv los ua cov txheej txheem cua sov rau cov hnab ntim khoom noj.
2) Biaxially oriented polypropylene ntim zaj duab xis (BOPP).
Piv nrog rau cov ntawv ntim polypropylene uas tsis muaj zog, BOPP ntim zaj duab xis feem ntau muaj cov yam ntxwv hauv qab no: ① Txhim kho pob tshab thiab glossiness, piv rau iav ntawv; ② Mechanical zog nce, tab sis elongation txo; ③ Txhim kho qhov ua kom txias thiab tsis muaj brittleness txawm tias siv ntawm -30 ~ -50 ℃; ④ Cov dej noo permeability thiab huab cua permeability raug txo los ntawm ib nrab, thiab cov organic vapor permeability kuj txo mus rau qhov sib txawv; ⑤ Ib zaj duab xis tsis tuaj yeem raug kaw ncaj qha tshav kub, tab sis nws qhov kev sib khi ua kom sov tuaj yeem txhim kho los ntawm cov nplaum nplaum nrog lwm cov yas ntim zaj duab xis.
BOPP ntim zaj duab xis yog ib hom tshiab ntim zaj duab xis tsim los hloov iav ntawv. Nws muaj cov yam ntxwv ntawm cov neeg kho tshuab siab zog, zoo toughness, zoo transparency thiab glossiness. Nws tus nqi yog kwv yees li 20% qis dua li cov iav ntawv. Yog li ntawd nws tau hloov los yog ib nrab hloov iav ntawv hauv ntim khoom noj, tshuaj, luam yeeb, textiles, thiab lwm yam khoom. Tab sis nws elasticity yog siab thiab tsis tuaj yeem siv rau cov khoom qab zib twisting ntim. BOPP ntim zaj duab xis yog dav siv los ua cov khoom siv rau kev ntim cov yeeb yaj kiab. Composite ntim zaj duab xis ua los ntawm txhuas ntawv ci thiab lwm yam yas ntim zaj duab xis tuaj yeem ua tau raws li kev ntim khoom ntawm ntau yam khoom thiab tau siv dav.
3. Polyvinyl chloride ntim zaj duab xis
PVC ntim zaj duab xis yog muab faib ua mos ntim zaj duab xis thiab tawv ntim zaj duab xis. Lub elongation, kua muag kuj, thiab txias kuj ntawm mos PVC ntim zaj duab xis yog zoo; Ib qho yooj yim luam tawm thiab cua sov foob; Yuav ua rau pob tshab ntim zaj duab xis. Vim tias cov ntxhiab ntawm cov yas yas thiab kev tsiv teb tsaws ntawm plasticizers, mos PVC ntim zaj duab xis feem ntau tsis haum rau ntim khoom noj. Tab sis cov mos PVC ntim zaj duab xis uas tsim los ntawm cov txheej txheem plasticization sab hauv tuaj yeem siv rau ntim khoom noj. Feem ntau hais lus, PVC hloov tau ntim zaj duab xis yog tsuas yog siv rau cov khoom lag luam thiab cov ntim khoom tsis yog khoom noj.
Hard PVC ntim zaj duab xis, feem ntau hu ua PVC iav ntawv. High transparency, txhav, zoo toughness, thiab ruaj khov twisting; Nws muaj huab cua nruj, muaj ntxhiab tsw qab, thiab zoo noo noo tsis kam; Kev luam ntawv zoo heev, tuaj yeem tsim cov ntawv ntim tsis muaj tshuaj lom. Nws yog tsuas yog siv rau twisted ntim ntawm cov khoom qab zib, ntim ntawm textiles thiab khaub ncaws, raws li zoo raws li cov txheej ntim zaj duab xis rau luam yeeb thiab zaub mov ntim thawv. Txawm li cas los xij, tawv PVC muaj qhov tsis zoo rau qhov txias txias thiab ua nkig ntawm qhov kub thiab txias, ua rau nws tsis haum rau cov khoom ntim khoom noj khov.
4. Polystyrene ntim zaj duab xis
PS ntim zaj duab xis muaj cov pob tshab thiab glossiness, zoo nkauj tsos, thiab kev ua haujlwm zoo luam ntawv; Tsawg dej nqus thiab siab permeability rau gases thiab dej vapor. Untretched polystyrene ntim zaj duab xis yog ib qho nyuaj thiab nkig, nrog qis extensibility, tensile lub zog, thiab cuam tshuam tsis kam, yog li nws tsis tshua muaj siv los ua cov khoom ntim tau yooj yim. Cov ntaub ntawv ntim tseem ceeb siv yog biaxially oriented polystyrene (BOPS) ntim zaj duab xis thiab cov khoom ntim khoom cua sov.
BOPS ntim zaj duab xis tsim los ntawm biaxial stretching tau txhim kho nws lub cev thiab cov khoom siv kho tshuab, tshwj xeeb tshaj yog elongation, cuam tshuam lub zog, thiab toughness, thaum tseem tuav nws thawj pob tshab thiab glossiness. Kev ua pa zoo ntawm BOPS ntim zaj duab xis ua rau nws tsim nyog rau ntim cov khoom noj tshiab xws li txiv hmab txiv ntoo, zaub, nqaij thiab ntses, nrog rau paj.
5. Polyvinylidene chloride ntim zaj duab xis
PVDC ntim zaj duab xis yog ib qho yooj yim, pob tshab, thiab cov khoom ntim ntim siab. Nws muaj dej tsis kam, huab cua nruj, thiab cov tshuaj tsw qab tuav cov khoom; Thiab nws muaj kev tiv thaiv zoo rau cov kua qaub, muaj zog alkalis, tshuaj, thiab roj; Untretched PVDC ntim zaj duab xis tuaj yeem ua kom sov, uas yog qhov tsim nyog rau ntim khoom noj thiab tuaj yeem tswj cov khoom noj tsis hloov mus ntev.
Txawm hais tias PVDC ntim zaj duab xis muaj lub zog zoo txhua yam, nws qhov tawv nqaij tsis zoo, nws yog mos heev thiab nws yooj yim rau adhesion, thiab nws cov kev ua haujlwm tsis zoo. Tsis tas li ntawd, PVDC muaj qhov muaj zog crystallinity, thiab nws cov zaj duab xis ntim yog nquag perforation lossis microcracks, ua ke nrog nws cov nqi siab. Yog li tam sim no, PVDC ntim zaj duab xis yog tsis tshua muaj siv nyob rau hauv ib daim ntawv zaj duab xis thiab tsuas yog siv los ua cov khoom ntim zaj duab xis.
6. Ethylene vinyl acetate copolymer ntim zaj duab xis
Kev ua tau zoo ntawm EVA ntim zaj duab xis muaj feem xyuam rau cov ntsiab lus ntawm vinyl acetate (VA). Qhov siab dua VA cov ntsiab lus, qhov zoo dua elasticity, kev ntxhov siab tawg tsis kam, tsis kub tsis kam, thiab kub sealing kev ua tau zoo ntawm lub ntim zaj duab xis. Thaum cov ntsiab lus VA nce mus txog 15% ~ 20%, qhov ua tau zoo ntawm lub ntim zaj duab xis yog ze rau ntawm cov ntawv ntim PVC mos. Qhov qis dua VA cov ntsiab lus, qhov tsawg dua elastic lub ntim zaj duab xis yog, thiab nws qhov kev ua tau zoo yog ze rau LDPE ntim zaj duab xis. Cov ntsiab lus ntawm VA feem ntau EVA ntim zaj duab xis yog 10% ~ 20%.
EVA ntim zaj duab xis muaj qhov zoo kub kub sealing thiab suav nrog sealing zog, ua rau nws yog ib qho zoo heev sealing zaj duab xis thiab feem ntau yog siv los ua ib lub tshav kub sealing txheej rau composite ntim films. Lub tshav kub tsis kam ntawm EVA ntim zaj duab xis yog qhov tsis zoo, nrog kev siv kub ntawm 60 ℃. Nws airtightness tsis zoo, thiab nws yooj yim rau adhesion thiab tsw. Yog li ib txheej EVA ntim zaj duab xis feem ntau tsis siv ncaj qha rau ntim khoom noj.
7. Polyvinyl cawv ntim zaj duab xis
PVA ntim zaj duab xis tau muab faib ua cov ntawv ntim dej-resistant thiab dej-soluble ntim zaj duab xis. Lub hnab ntim dej tsis zoo yog tsim los ntawm PVA nrog rau qib polymerization ntau dua 1000 thiab ua tiav saponification. Cov dej-soluble ntim zaj duab xis yog tsim los ntawm PVA ib nrab saponified nrog tsawg polymerization degree. Lub ntsiab ntim zaj duab xis siv yog dej-resistant PVA ntim zaj duab xis.
PVA ntim zaj duab xis muaj cov pob tshab zoo thiab glossiness, tsis yooj yim rau khaws cov hluav taws xob zoo li qub, tsis yooj yim rau adsorb plua plav, thiab muaj kev luam ntawv zoo. Nws muaj huab cua nruj thiab cov tshuaj tsw qab tuav hauv lub xeev qhuav, thiab cov roj ua haujlwm zoo; Nws muaj lub zog zoo txhua yam, toughness, thiab kev ntxhov siab tawg ua haujlwm; Muaj peev xwm ua tau cua sov kaw; PVA ntim zaj duab xis muaj cov dej noo permeability siab, muaj zog nqus, thiab qhov loj me tsis ruaj khov. Yog li, polyvinylidene chloride txheej, tseem hu ua K txheej, feem ntau yog siv. Qhov no coated PVA ntim zaj duab xis muaj peev xwm tswj tau zoo heev airtightness, fragrance tuav, thiab ya raws kuj nyob rau hauv high humidity, ua rau nws zoo heev rau ntim khoom noj. PVA ntim zaj duab xis feem ntau yog siv los ua ib txheej txheej txheej rau cov khoom ntim cov khoom sib xyaw, uas yog siv los ntim cov khoom noj ceev, cov khoom noj nqaij, cov khoom qab zib thiab lwm yam khoom noj. PVA ib zaj duab xis kuj yog siv dav rau ntim textiles thiab khaub ncaws.
Dej soluble PVA ntim zaj duab xis tuaj yeem siv los ntsuas ntim cov khoom siv tshuaj xws li tshuaj tua kab mob, tshuaj ntxuav tes, tshuaj pleev xim, tshuaj pleev xim, tshuaj tua kab, thiab cov neeg mob khaub ncaws ntxhua khaub ncaws. Nws tuaj yeem muab tso ncaj qha rau hauv dej yam tsis tau qhib.
8. Nylon ntim zaj duab xis
Nylon ntim zaj duab xis feem ntau suav nrog ob hom: biaxially stretched ntim zaj duab xis thiab unstretched ntim zaj duab xis, cov uas biaxially stretched nylon ntim zaj duab xis (BOPA) yog siv ntau dua. Untretched nylon ntim zaj duab xis muaj qhov zoo elongation thiab yog siv rau kev sib sib zog nqus nqus ntim ntim.
Nylon ntim zaj duab xis yog ib qho tawv ntim zaj duab xis uas tsis muaj tshuaj lom, tsis muaj ntxhiab, pob tshab, glossy, tsis ua rau hluav taws xob zoo li qub, thiab muaj kev luam ntawv zoo. Nws muaj lub zog txhua yam, peb zaug lub zog tensile ntawm PE ntim zaj duab xis, thiab zoo heev hnav tsis kam thiab puncture kuj. Nylon ntim zaj duab xis muaj cov cua kub zoo, tawm hws ua haujlwm, thiab roj tsis kam, tab sis nws nyuaj rau cua sov foob. Nylon ntim zaj duab xis muaj huab cua nruj zoo nyob rau hauv lub xeev qhuav, tab sis nws muaj cov dej noo permeability siab thiab muaj zog nqus dej. Nyob rau hauv high humidity ib puag ncig, seem stability yog tsis zoo thiab airtightness sharply txo. Yog li ntawd, polyvinylidene chloride txheej (KNY) los yog composite nrog PE ntim zaj duab xis yog feem ntau siv los txhim kho nws cov dej tsis kam, noo noo tsis kam, thiab kub sealing kev ua tau zoo. Qhov no NY / PE composite ntim zaj duab xis yog dav siv hauv ntim khoom noj. Nylon ntim yog dav siv nyob rau hauv zus tau tej cov composite ntim films thiab kuj raws li ib tug substrate rau txhuas plated ntim films.
Nylon ntim zaj duab xis thiab nws cov khoom ntim zaj duab xis yog siv los ntim cov khoom noj roj, cov zaub mov dav dav, cov zaub mov khov, thiab cov zaub mov steamed. Untretched nylon ntim zaj duab xis, vim nws qhov siab elongation tus nqi, tuaj yeem siv rau lub tshuab nqus tsev ntim cov nqaij, cov nqaij pob txha thiab lwm yam khoom noj.
9. Ethylene vinyl cawv copolymerntim zaj duab xis
EVAL ntim zaj duab xis yog ib hom tshiab ntawm cov khoom ntim ntim cov yeeb yaj kiab uas tau tsim nyob rau xyoo tas los no. Nws muaj cov pob tshab zoo, oxygen barrier, fragrance tuav, thiab roj kuj. Tab sis nws cov hygroscopicity yog muaj zog, uas txo nws cov barrier zog tom qab absorbing noo noo.
EVAL ntim zaj duab xis feem ntau yog ua rau hauv cov ntawv ntim cov khoom sib xyaw ua ke nrog cov ntaub ntawv tsis muaj dej noo, siv rau ntim cov khoom noj xws li hnyuv ntxwm, nqaij npua, thiab zaub mov ceev. EVAL ib zaj duab xis kuj tuaj yeem siv rau ntim cov khoom siv fiber ntau thiab cov khoom siv woolen.
10. Polyester ntim zaj duab xis yog ua los ntawm biaxially oriented polyester ntim zaj duab xis (BOPET).
PET ntim zaj duab xis yog hom ntim zaj duab xis nrog kev ua haujlwm zoo. Nws muaj zoo pob tshab thiab luster; Nws muaj huab cua nruj thiab muaj ntxhiab tsw qab; Nruab nrab noo noo tsis kam, nrog ib tug txo nyob rau hauv noo noo permeability ntawm tsawg kub. Cov khoom siv ntawm PET ntim zaj duab xis yog qhov zoo heev, thiab nws lub zog thiab lub zog yog qhov zoo tshaj plaws ntawm tag nrho cov thermoplastic plastics. Nws lub zog tensile thiab kev cuam tshuam lub zog muaj zog ntau dua li cov khoom ntim dav dav; Thiab nws muaj qhov zoo rigidity thiab ruaj khov, haum rau kev ua haujlwm thib ob xws li luam ntawv thiab hnab ntawv. PET ntim zaj duab xis kuj tseem muaj qhov kub thiab txias ua haujlwm, nrog rau cov tshuaj lom neeg thiab roj ua haujlwm zoo. Tab sis nws tsis resistant rau muaj zog alkali; Yooj yim rau nqa hluav taws xob zoo li qub, tsis muaj txoj hauv kev los tiv thaiv zoo li qub, yog li yuav tsum tau them nyiaj thaum ntim cov khoom hmoov.
Lub tshav kub sealing ntawm PET ntim zaj duab xis yog qhov nyuaj heev thiab tam sim no kim, yog li nws tsis tshua muaj siv nyob rau hauv daim ntawv ntawm ib zaj duab xis. Lawv feem ntau yog sib xyaw nrog PE lossis PP ntim zaj duab xis nrog cov khoom siv hluav taws xob zoo los yog coated nrog polyvinylidene chloride. Cov ntawv ntim khoom sib xyaw no raws li PET ntim zaj duab xis yog cov khoom siv zoo tshaj plaws rau kev ua haujlwm ntim khoom thiab siv dav hauv cov ntim khoom noj xws li steaming, ci, thiab khov.
11. Polycarbonate ntim zaj duab xis
PC ntim zaj duab xis yog ntxhiab tsw thiab tsis muaj tshuaj lom, nrog pob tshab thiab luster zoo ib yam li iav ntawv, thiab nws lub zog yog piv rau PET ntim zaj duab xis thiab BONY ntim zaj duab xis, tshwj xeeb tshaj yog nws cov kev cuam tshuam zoo heev. PC ntim zaj duab xis muaj cov tshuaj tsw qab zoo, zoo huab cua nruj thiab noo noo tsis kam, thiab zoo UV tsis kam. Nws muaj roj zoo; Nws kuj muaj qhov kub thiab txias ua haujlwm zoo. Nws tuaj yeem muab steamed thiab sterilized nyob rau hauv qhov kub thiab txias; Tsis tshua muaj kub tsis kam thiab khov tsis kam yog zoo dua li PET ntim zaj duab xis. Tab sis nws cov thermal sealing kev ua haujlwm tsis zoo.
PC ntim zaj duab xis yog cov khoom ntim khoom noj khoom haus zoo tshaj plaws, uas tuaj yeem siv rau ntim khoom noj, khov, thiab tsw qab. Tam sim no, vim nws tus nqi siab, nws tsuas yog siv rau kev ntim tshuaj ntsiav tshuaj thiab ntim tsis muaj menyuam.
12. Acetate cellulose ntim zaj duab xis
CA ntim zaj duab xis yog pob tshab, glossy, thiab muaj ib tug du nto. Nws yog nruj, ruaj khov nyob rau hauv loj, tsis yooj yim rau sau hluav taws xob, thiab muaj kev ua tau zoo; Ib qho yooj yim rau daim ntawv cog lus thiab muaj zoo printability. Thiab nws muaj dej tsis kam, folding kuj, thiab kav ntev. Cov huab cua permeability thiab noo noo permeability ntawm CA ntim zaj duab xis yog qhov siab, uas tuaj yeem siv rau "ua pa" ntim zaub, txiv hmab txiv ntoo, thiab lwm yam khoom.
CA ntim zaj duab xis feem ntau yog siv los ua txheej txheej txheej ntawm cov khoom ntim khoom vim nws qhov zoo nkauj thiab yooj yim ntawm kev luam ntawv. Nws cov khoom ntim cov yeeb yaj kiab yog dav siv rau ntim tshuaj, khoom noj, tshuaj pleev ib ce thiab lwm yam khoom.
13. Ionic bonded polymerntim zaj duab xis yob
Lub pob tshab thiab glossiness ntawm ion bonded polymer ntim zaj duab xis yog zoo dua li cov PE zaj duab xis, thiab nws tsis yog tshuaj lom. Nws muaj huab cua nruj, softness, durability, puncture kuj, thiab roj kuj. Haum rau ntim cov khoom angular thiab tshav kub ntsws ntim khoom noj. Nws qhov kub thiab txias sealing kev ua tau zoo yog qhov zoo, lub tshav kub sealing qhov kub yog qhov dav, thiab kev ua haujlwm kub sealing tseem zoo txawm tias muaj kev sib xyaw, yog li nws feem ntau siv los ua cov txheej txheem kub sealing rau cov khoom ntim cov yeeb yaj kiab. Tsis tas li ntawd, ion bonded polymers muaj thermal adhesion zoo thiab tuaj yeem co extruded nrog lwm cov yas los tsim cov khoom ntim cov yeeb yaj kiab.
Post lub sij hawm: Feb-11-2025