Yas zaj duab xis ua ib yam khoom luam ntawv, nws yog luam tawm ua ib lub hnab ntim khoom, nrog lub teeb thiab pob tshab, tiv taus dej noo thiab oxygen, zoo cua nruj, tawv thiab folding tsis kam, du nto, tuaj yeem tiv thaiv cov khoom, thiab tuaj yeem rov ua dua cov duab ntawm cov khoom, xim thiab lwm yam zoo. Nrog rau kev txhim kho ntawm kev lag luam petrochemical, ntau thiab ntau hom yas zaj duab xis, feem ntau siv yas zaj duab xis polyethylene (PE), polyvinyl chloride (PVC), polystyrene (PS), polyester zaj duab xis (PET), polypropylene (PP), nylon (PA) thiab lwm yam. Tsis tas li ntawd, muaj ntau lwm hom yas zaj duab xis, cov kws tshaj lij ntim khoom yooj ywm Shunfa packing xav tias nws yog qhov tsim nyog los nkag siab txog cov yam ntxwv ntawm yas zaj duab xis ua ntej kev cai ntim hnab. Tshwj xeeb txheeb xyuas cov yam ntxwv ntawm 11 hom yas zaj duab xis hauv qab lub hnab ntim khoom rau koj siv.
1. Polyvinyl chloride (PVC)
Qhov zoo ntawm PVC zaj duab xis thiab PET zoo sib xws, thiab tib yam yog cov yam ntxwv ntawm kev pom tseeb, ua pa tau, tiv taus kua qaub thiab alkali. Ntau lub hnab ntim khoom noj thaum ntxov yog ua los ntawm PVC hnab. Txawm li cas los xij, PVC yuav tso tawm cov carcinogens vim yog qhov tsis tiav polymerization ntawm qee cov monomers hauv cov txheej txheem tsim khoom, yog li nws tsis haum rau kev sau cov khoom noj khoom haus, thiab ntau tus tau hloov mus rau PET ntim hnab, cim cov cim khoom yog No. 3.
2. Polystyrene (PS)
Cov dej nqus ntawm PS zaj duab xis yog qis, tab sis nws qhov ruaj khov zoo dua, thiab nws tuaj yeem ua tiav los ntawm kev tua pwm, nias pwm, extrusion thiab thermoforming. Feem ntau, nws muab faib ua ob pawg ua npuas ncauj thiab unfoaming raws li seb nws puas tau dhau los ntawm cov txheej txheem foaming. Unfoamed PS feem ntau yog siv rau hauv cov ntaub ntawv tsim kho, cov khoom ua si, cov ntawv sau, thiab lwm yam, thiab kuj tuaj yeem ua rau hauv cov thawv ntim nrog cov khoom noj mis nyuj fermented, thiab lwm yam. Nyob rau hauv xyoo tas los no, nws kuj siv dav hauv kev ua cov tais diav pov tseg, thiab cov cim khoom siv yog No. 6.
3. Polypropylene (PP)
Cov yeeb yaj kiab PP ib txwm siv tshuab moulding, cov txheej txheem yooj yim thiab pheej yig, tab sis qhov kev ua tau zoo ntawm qhov muag qis dua CPP thiab BOPP me ntsis. Qhov tseem ceeb tshaj plaws ntawm PP yog qhov kub thiab txias tsis kam (kwv yees li -20 ° C ~ 120 ° C), thiab qhov melting point yog siab txog 167 ° C, uas yog qhov tsim nyog rau kev sau cov mis taum pauv, mis mov thiab lwm yam khoom uas xav tau kev tua kab mob hauv chav. Nws qhov nyuaj yog siab dua PE, uas yog siv los tsim cov hau thawv, thiab lub cim khoom yog tus lej 5. Feem ntau hais lus, PP muaj qhov nyuaj dua, thiab qhov chaw ci ntsa iab dua, thiab tsis tsim cov ntxhiab tsw phem thaum hlawv, thaum PE muaj ntxhiab tswm ciab hnyav dua.
4. Polyester Zaj duab xis (PET)
Zaj duab xis Polyester (PET) yog ib hom yas thermoplastic engineering plastic. Cov khoom siv zaj duab xis nyias ua los ntawm daim ntawv tuab los ntawm kev rho tawm thiab kev ncab ob sab. Zaj duab xis Polyester muaj cov yam ntxwv zoo heev, muaj zog, tawv thiab tawv, tiv taus kev sib txhuam, tiv taus kub thiab txias siab, tiv taus tshuaj lom neeg, tiv taus roj, tiv taus huab cua thiab khaws cia tsw qab zoo. Nws yog ib qho ntawm cov khoom siv feem ntau siv rau cov zaj duab xis sib xyaw ua ke uas tiv taus permeability, tab sis kev tiv taus corona tsis zoo, tus nqi siab. Feem ntau, zaj duab xis tuab yog 0.12 hli, uas feem ntau siv ua cov khoom siv sab nraud ntawm lub hnab ntim khoom noj, thiab kev luam tawm zoo. Cim cov cim khoom 1 hauv cov khoom yas.
5. Nylon (PA)
Cov yas zaj duab xis nylon (polyamide PA) tam sim no muaj ntau hom kev lag luam, uas cov hom tseem ceeb siv los tsim cov zaj duab xis yog nylon 6, nylon 12, nylon 66 thiab lwm yam. Cov zaj duab xis nylon yog cov zaj duab xis tawv heev, pob tshab zoo, thiab ci ntsa iab zoo. Lub zog tensile, lub zog tensile, tiv taus kub thiab txias siab, tiv taus roj, tiv taus cov kuab tshuaj organic, tiv taus hnav thiab tiv taus qhov, thiab cov zaj duab xis mos heev, tiv taus oxygen zoo heev, tab sis cov dej tsis zoo, nqus dej noo, permeability noo noo loj, thiab kaw cua sov tsis zoo. Haum rau ntim cov khoom tawv, xws li cov khoom noj roj, khoom noj kib, ntim khoom noj nqus tsev, ua noj, thiab lwm yam.
6. Cov Polyethylene Ceev Siab (HDPE)
Zaj duab xis HDPE hu ua geomembrane lossis zaj duab xis impermeable. Nws lub ntsiab lus yaj yog li 110 ℃ -130 ℃, thiab nws qhov ceev yog 0.918-0.965kg / cm3. Yog ib qho khoom siv crystallinity siab, tsis yog-polar thermoplastic resin, thawj HDPE tsos yog dawb milky, hauv ib qho me me ntawm qee qib translucent. Nws muaj kev tiv thaiv zoo rau qhov kub siab thiab qis thiab kev cuam tshuam tsis kam, txawm tias ntawm -40F qis kub. Nws cov tshuaj ruaj khov, rigidity, toughness, mechanical zog, tear zog zog zoo heev, thiab nrog rau qhov nce ntawm qhov ceev, mechanical zog, barrier zog, tensile zog thiab cua sov tsis kam yuav zoo dua raws li, tuaj yeem tiv taus acid, alkali, organic solvents thiab lwm yam corrosion. Kev txheeb xyuas: feem ntau opaque, xav tias zoo li ciab, lub hnab yas sib tsoo lossis sib tsoo thaum rusting.
7. Polyethylene Qis Qis (LDPE)
LDPE zaj duab xis muaj qhov ceev tsawg, mos, tsis kub, tsis yooj yim rau kev cuam tshuam, tshuaj lom neeg ruaj khov zoo, nyob rau hauv qhov xwm txheej ib txwm muaj acid (tshwj tsis yog oxidizing acid muaj zog), alkali, ntsev corrosion, nrog zoo hluav taws xob rwb thaiv tsev. LDPE feem ntau siv rau hauv cov hnab yas, cim cov khoom siv yog tus lej 4, thiab nws cov khoom feem ntau siv rau hauv kev tsim kho vaj tse thiab kev ua liaj ua teb, xws li geomemofilm, zaj duab xis ua liaj ua teb (zaj duab xis tso, zaj duab xis mulch, zaj duab xis khaws cia, thiab lwm yam). Kev txheeb xyuas: Lub hnab yas ua los ntawm LDPE yog softer, tsawg dua rusting thaum kneading, lub ntim yas sab nraud yog mos thiab yooj yim rau rhuav LDPE, thiab qhov ntau brittle thiab tawv yog PVC lossis PP zaj duab xis.
8. Cawv Polyvinyl (PVA)
Polyvinyl cawv (PVA) zaj duab xis sib xyaw ua ke uas muaj kev thaiv siab yog ib zaj duab xis uas muaj cov khoom thaiv siab uas tsim los ntawm kev txheej cov kua dej uas hloov kho ntawm polyvinyl cawv rau ntawm cov yas polyethylene. Vim tias cov zaj duab xis sib xyaw ua ke uas muaj kev thaiv siab ntawm polyvinyl cawv muaj cov khoom thaiv zoo thiab ua tau raws li qhov yuav tsum tau ua ntawm kev tiv thaiv ib puag ncig, kev cia siab ntawm cov khoom ntim khoom no yog qhov ci ntsa iab heev, thiab muaj qhov chaw ua lag luam dav hauv kev lag luam zaub mov.
9. Casting polypropylene Zaj duab xis (CPP)
Zaj duab xis polypropylene casting (CPP) yog ib hom zaj duab xis uas tsis ncab tau, tsis yog-taw qhia tiaj tiaj extrusion uas tsim los ntawm kev yaj casting quench txias. Nws muaj cov yam ntxwv los ntawm kev ceev ceev ntawm kev tsim khoom, cov txiaj ntsig zoo, zaj duab xis pob tshab, ci, khoom thaiv, mos, qhov tuab sib xws zoo, tuaj yeem tiv taus qhov kub siab (qhov kub ua noj siab tshaj 120 ° C) thiab qhov kub qis kub sealing (qhov kub sealing qis dua 125 ° C), qhov kev ua tau zoo sib npaug zoo heev. Cov haujlwm ua raws li xws li kev luam ntawv, kev sib xyaw ua ke yooj yim, siv dav hauv cov ntaub, khoom noj, cov khoom siv niaj hnub, ua cov khoom siv sab hauv ntawm cov ntim khoom sib xyaw, tuaj yeem ntev lub txee lub neej ntawm cov khoom noj, ua kom zoo nkauj dua.
10. Zaj duab xis polypropylene ob sab (BOPP)
Zaj duab xis polypropylene biaxial (BOPP) yog ib lub hnab ntim khoom pob tshab uas tau tsim nyob rau xyoo 1960, uas yog ib txoj kab tsim khoom tshwj xeeb los sib tov cov khoom siv raw polypropylene thiab cov khoom siv ntxiv, yaj thiab sib tov, ua daim ntawv, thiab tom qab ntawd ua ib zaj duab xis los ntawm kev ncab. Zaj duab xis no tsis yog tsuas yog muaj qhov zoo ntawm qhov ceev qis, tiv taus corrosion thiab tiv taus cua sov zoo li cov PP resin qub, tab sis kuj muaj cov khoom siv optical zoo, lub zog kho tshuab siab, cov khoom siv raw nplua nuj, cov khoom luam ntawv zoo heev, thiab tuaj yeem ua ke nrog ntawv, PET thiab lwm yam substrates. Nrog kev txhais siab thiab ci ntsa iab, kev nqus kua mem zoo heev thiab kev nplaum txheej, lub zog tensile siab, cov khoom tiv thaiv roj zoo heev, cov yam ntxwv electrostatic qis.
11. Zaj duab xis hlau
Cov yeeb yaj kiab hlau muaj cov yam ntxwv ntawm cov yeeb yaj kiab yas thiab cov hlau. Lub luag haujlwm ntawm cov txhuas plating rau ntawm qhov chaw ntawm cov yeeb yaj kiab yog los thaiv lub teeb thiab tiv thaiv ultraviolet hluav taws xob, uas ua rau lub txee ntev dua thiab txhim kho qhov ci ntawm cov yeeb yaj kiab, hloov cov ntawv ci txhuas mus rau qee qhov, thiab kuj muaj cov khoom pheej yig, zoo nkauj thiab zoo thaiv. Yog li ntawd, cov yeeb yaj kiab hlau yog siv dav hauv cov ntim khoom sib xyaw, feem ntau yog siv rau hauv cov ncuav qab zib thiab lwm yam khoom noj qhuav, ntim tshuaj thiab cov khoom siv pleev ib ce.
Lub sijhawm tshaj tawm: Lub Xya Hli-19-2023