Polyethylene Resin - Khoom Encyclopedia

Dab tsi yog polyethylene cob

Polyethylene resin yog lub siab polymer compound tsim los ntawm polymerization ntawm ethylene molecules. Nws kuj yog ib qho ntawm cov yas siv ntau tshaj plaws hauv ntiaj teb. Nws muaj cov yam ntxwv ntawm kev ceev, lub zog siab, kev ua haujlwm kub, thiab txias siv, kev tsim kho, kho mob, kho mob thiab lwm thaj chaw.

Tus nqi ntawm polyethylene cob

Raws li kev soj ntsuam cov ntaub ntawv ntawm kev lag luam cov khoom lag luam, tag nrho cov nqi ntawm polyethylene tau pom tias muaj kev hloov pauv nce siab hauv ob peb xyoos dhau los. Cov ntaub ntawv tshwj xeeb yog raws li nram no:

• Xyoo 2022: Thaum pib ntawm lub xyoo, tus nqi ntawm polyethylene yog nyob ib ncig ntawm 9,000-9,500 US las ib tuj, thiab thaum kawg ntawm lub xyoo, nws tau nce mus rau ib ncig ntawm 12,000-13,000 US dollars ib ton.
• Xyoo 2021: Thaum pib ntawm lub xyoo, tus nqi ntawm polyethylene yog nyob ib ncig ntawm 1,000-1,100 US las ib tuj, thiab thaum kawg ntawm lub xyoo, nws tau nce mus rau ib ncig ntawm 1,250-1,350 US dollars ib ton.
• Xyoo 2020: Thaum pib ntawm lub xyoo, tus nqi ntawm polyethylene yog nyob ib ncig ntawm 1,100-1,200 US las ib tuj, thiab thaum kawg ntawm lub xyoo, nws tau poob mus rau ib ncig ntawm 800-900 US dollars ib ton.
• Xyoo 2019: Thaum pib ntawm lub xyoo, tus nqi ntawm polyethylene yog nyob ib ncig ntawm 1,000-1,100 US las ib tuj, thiab thaum kawg ntawm lub xyoo, nws tau nce mus rau ib ncig ntawm 1,300-1,400 US dollars ib ton.

Hom polyethylene cob

Polyethylene yog ib qho tseem ceeb thermoplastic polymer, uas tuaj yeem muab faib ua ntau hom sib txawv raws li kev tsim khoom sib txawv thiab cov qauv molecular:
Tsawg-ceev polyethylene (ldpe): Nws muaj cov yam ntxwv ntawm qhov ntom ntom ntom ntom ntom, mos, zoo ductility, thiab siab transparency. Nws yog tsuas yog siv nyob rau hauv lub teb ntawm ntim zaj duab xis, hnab yas, fwj, thiab lwm yam.

• Linear low-density polyethylene (LLDPE): Piv nrog LDPE, LLDPE muaj cov qauv zoo li qub, muaj zog tensile ntau dua, thiab muaj kev cuam tshuam, thiab tsim nyog rau kev tsim cov hnab yas, zaj duab xis, thiab lwm yam khoom.
• High-density polyethylene (HDPE): Nws muaj qhov hnyav dua molecular thiab ntom, siab dua hardness, rigidity, thiab lub zog, thiab feem ntau yog siv los tsim cov kav dej, roj nruas, thawv, thiab lwm yam.
• Ultra-high molecular hnyav polyethylene (UHMWPE): Nws muaj qhov hnyav molecular hnyav heev thiab hnav tsis kam, thiab yog siv los tsim cov zawv zawg qhov chaw, bearings, gaskets, thiab lwm yam.
• Hla-txuas polyethylene (XLPE): Los ntawm kev sib txuas ntawm cov polyethylene molecules los ntawm cov txheej txheem sib txuas, nws muaj cov cua sov zoo thiab kev tiv thaiv corrosion, thiab yog siv dav hauv cov cables, xov hlau, cov ntaub ntawv rwb thaiv tsev, thiab lwm yam.

Specifications ntawm polyethylene cob

Polyethylene resin yog ib qho polymer compound, thiab nws cov specifications depend ntawm nws siv thiab daim ntawv thov teb. Nov yog qee qhov kev qhia tshwj xeeb ntawm polyethylene:
1. Ceev: Qhov ceev ntawm polyethylene tuaj yeem nyob ntawm 0.91 g / cm³ txog 0.97 g / cm³.
2. Molecular hnyav: Qhov hnyav molecular ntawm polyethylene kuj tuaj yeem sib txawv, txij li ntau txhiab mus rau lab.
3. Melting point: Lub melting point ntawm polyethylene feem ntau yog nruab nrab ntawm 120 ° C thiab 135 ° C.
4. Cov tsos: Polyethylene tuaj yeem yog xim dawb, translucent, lossis pob tshab.
5. Thaum tshav kub kub tsis kam: Lub tshav kub tsis kam ntawm polyethylene kuj tuaj yeem sib txawv, xws li ntawm -70 ° C txog 130 ° C.
6. Daim ntaub ntawv: Cov ntawv thov ntawm polyethylene kuj tuaj yeem sib txawv, xws li cov yeeb yaj kiab, kav dej, hnab yas, lub raj mis, thiab lwm yam.

Cov yam ntxwv ntawm polyethylene cob

1. Lub teeb yuag: Polyethylene resin yog cov yas sib zog, sib dua li dej, nrog qhov ceev ntawm 0.91-0.96g / cm³.
2. Flexibility: Polyethylene muaj qhov yooj yooj yim thiab yas, thiab tuaj yeem ua rau ntau yam duab los ntawm cua sov, nias, ncab, thiab lwm yam txheej txheem.
3. Zoo hnav tsis kam: Polyethylene muaj kev hnav zoo thiab tuaj yeem tiv taus qee yam tshuaj lom neeg thiab kev cuam tshuam ib puag ncig.
4. High transparency: Polyethylene muaj pob tshab zoo thiab tuaj yeem siv los tsim cov khoom yas pob tshab.
5. Lub zog tensile siab: Polyethylene muaj lub zog tensile siab thiab yog cov khoom siv ruaj khov.
6. Qhov kub thiab txias tsis kam: Polyethylene muaj qhov ua tau zoo ntawm qhov kub thiab txias, tsis yooj yim los ua nkig, thiab tuaj yeem siv los tsim cov thawv kub kub.
7. Cov tshuaj tiv thaiv muaj zog: Polyethylene muaj cov tshuaj tiv thaiv zoo thiab tuaj yeem tiv taus corrosion ntawm acids, alkalis, ntsev, thiab lwm yam tshuaj lom neeg.
8. Kev rwb thaiv tsev hluav taws xob zoo: Polyethylene yog cov khoom siv rwb thaiv tsev zoo thiab tuaj yeem siv los tsim cov cables, hlau raj, thiab lwm yam khoom.

Kev siv ntawm polyethylene resin

Polyethylene resin yog cov khoom siv dav siv nrog cov ntaub ntawv hauv qab no:
1. Ntim: hnab polyethylene, lub raj mis yas, lub thawv yas, cling zaj duab xis, thiab lwm yam.
2. Kev tsim kho: cov kav dej polyethylene, cov khoom siv rwb thaiv tsev, cov ntaub ntawv tsis muaj dej, cov yeeb yaj kiab hauv av, thiab lwm yam.
3. Lub Tsev: Cov rooj zaum yas, cov thoob yas, cov thoob khib nyiab yas, cov tshuaj ntxuav tais diav, cov lauj kaub paj yas, thiab lwm yam.
4. Kev Kho Mob: Infusion hnab, cov cuab yeej phais, khoom siv kho mob, thiab lwm yam.
5. Automotive: Polyethylene qhov chaw, automotive interiors, thiab lwm yam.
6. Cov khoom siv hluav taws xob: cov plhaub yas, cov ntaub ntawv rwb thaiv tsev, thiab lwm yam.
7. Aerospace: Polyethylene cov ntaub ntawv yog dav siv nyob rau hauv aerospace teb, xws li aircraft Cheebtsam, chaw suits, missile shells, thiab lwm yam.

Zuag qhia tag nrho, polyethylene muaj ntau yam kev siv hauv lub neej txhua hnub.

Cov khoom siv ntawm polyethylene resin

Polyethylene yog ib tug polymer tsim los ntawm lub polymerization ntawm ethylene monomers, nrog ib tug tshuaj formula ntawm (C2H4) n, qhov twg n yog lub degree ntawm polymerization. Cov qauv molecular ntawm polyethylene yog linear, muaj ntau ethylene monomers txuas nrog covalent bonds. Txhua ethylene monomer molecule muaj ob lub carbon atoms, uas txuas nrog covalent ob daim ntawv cog lus los ua ib qho kev sib txuas. Thaum lub sij hawm txheej txheem polymerization, ob daim ntawv cog lus no tau tawg los ua ib daim ntawv cog lus, yog li tsim cov saw tseem ceeb ntawm polyethylene. Kuj tseem muaj qee pawg sab hauv polyethylene molecule, uas feem ntau yog hydrogen atoms, thiab lawv txuas nrog cov pa roj carbon atoms ntawm cov saw tseem ceeb los ntawm ib daim ntawv cog lus. Cov khoom siv ntawm polyethylene txiav txim siab nws lub cev thiab tshuaj lom neeg, xws li qhov ntom ntom, melting point, softening point, thiab lwm yam.

Hom polyethylene cob

Polyethylene resin yog ib qho tseem ceeb thermoplastic polymer uas tuaj yeem muab faib ua ntau hom sib txawv raws li cov txheej txheem tsim khoom sib txawv thiab cov qauv molecular:
1. Tsawg-ntom polyethylene (LDPE): Nws muaj tsawg dua, mos, zoo ductility, thiab siab transparency. Nws yog tsuas yog siv nyob rau hauv lub teb ntawm ntim zaj duab xis, hnab yas, fwj, thiab lwm yam.
2. Linear low-density polyethylene (LLDPE): Piv nrog LDPE, LLDPE muaj cov qauv molecular ntau dua, muaj zog tensile ntau dua, thiab muaj kev cuam tshuam, thiab tsim nyog rau kev tsim cov hnab yas, zaj duab xis, thiab lwm yam.
3. High-density polyethylene (HDPE): Nws muaj qhov hnyav dua molecular thiab ntom, siab dua hardness, rigidity, thiab lub zog, thiab feem ntau yog siv los tsim cov kav dej, roj nruas, thawv, thiab lwm yam.
4. Ultra-high molecular hnyav polyethylene (UHMWPE): Nws muaj qhov hnyav molecular hnyav thiab hnyav hnyav heev, feem ntau yog siv los tsim cov zawv zawg qhov chaw, bearings, gaskets, thiab lwm yam.
5. Cross-linked polyethylene (XLPE): Polyethylene molecules yog cross-linked los ntawm kev sib txuas ntawm cov txheej txheem sib txuas, uas muaj cov cua sov zoo thiab kev tiv thaiv corrosion, thiab tau siv dav hauv cov khoom siv cables, xov hlau, cov ntaub ntawv rwb thaiv tsev, thiab lwm yam.

Cov khoom ntawm polyethylene resin

1. Polyethylene resin muaj corrosion kuj zoo thiab muaj zog tiv thaiv cov tshuaj xws li acids, alkalis, thiab ntsev.
2. Polyethylene muaj kev hnav zoo heev thiab tsis yooj yim hnav, txiav, lossis deformed.
3. Polyethylene muaj cov khoom siv hluav taws xob zoo thiab tsim nyog rau kev tsim cov khoom siv hluav taws xob xws li xov hlau thiab cables.
4. Polyethylene muaj cov cua kub zoo heev thiab tuaj yeem tswj kev ua haujlwm ruaj khov hauv qhov chaw kub kub.
5. Polyethylene muaj qhov ua kom txias txias thiab tuaj yeem tswj tau zoo toughness thiab lub zog nyob rau hauv qhov kub thiab txias.
6. Polyethylene muaj cov pob tshab thiab glossiness, haum rau kev tsim cov khoom ntim pob tshab, hnab yas, thiab lwm yam.
7. Polyethylene muaj cov txheej txheem zoo thiab tuaj yeem ua tiav los ntawm kev txhaj tshuaj molding, tshuab molding, extrusion, thiab lwm yam.

Polyethylene resin hloov kho yog dab tsi

Polyethylene resin hloov kho yog cov txheej txheem ntawm kev hloov nws lub cev thiab tshuaj lom neeg los ntawm kev qhia lwm yam tshuaj rau hauv polyethylene molecule. Cov tshuaj no tuaj yeem yog monomers, copolymers, crosslinking agents, additives, thiab lwm yam. Los ntawm kev hloov cov polyethylene molecular qauv, molecular hnyav tis, crystallinity, melting point, thermal stability, mechanical zog, deg zog, thiab lwm yam, nws cov yam ntxwv thiab kev siv yuav hloov tau. . Polyethylene yog cov yas siv dav nrog cov khoom siv zoo, tshuaj lom neeg, tsis muaj tshuaj lom, tsis muaj dej nqus, thiab kev laus ua haujlwm. Txawm li cas los xij, nws qhov qis melting point, tsis txaus rigidity, tsis zoo tshav kub tsis kam, thiab tsis zoo lubrication txwv nws daim ntawv thov ntau yam. Kev hloov kho polyethylene tuaj yeem txhim kho nws qhov kev ua tau zoo. Piv txwv li, qhia qee qhov nyiaj ntawm acrylic acid monomer rau hauv polyethylene tuaj yeem txhim kho nws cov cua sov thiab cov khoom siv tshuab; ntxiv plasticizers rau polyethylene tuaj yeem txhim kho nws qhov yooj thiab ductility; ntxiv nanoparticles rau polyethylene tuaj yeem txhim kho nws lub zog thiab nruj, thiab lwm yam.

Kev tsim cov txheej txheem ntawm polyethylene resin

Polyethylene resin yog cov khoom siv thermoplastic, thiab nws cov txheej txheem ntau lawm feem ntau muab faib ua cov hauv qab no steps:

1. Kev npaj cov khoom siv raw: Cov khoom siv raw rau polyethylene yog ethylene gas, uas feem ntau yog muab rho tawm los ntawm fossil fuels xws li roj av, natural gas, los yog thee. Ethylene gas yuav tsum tau kho ua ntej, xws li lub cev qhuav dej thiab desulfurization, ua ntej nkag mus rau lub polymerization reactor.
2. Cov tshuaj tiv thaiv Polymerization: Hauv cov khoom siv hluav taws xob polymerization, cov roj ethylene tau dhau los ua polymerization los ntawm cov txheej txheem siab-siab lossis qis-siab polymerization. High-pressure polymerization feem ntau yog ua nyob rau hauv 2000-3000 atmospheres, thiab yuav tsum tau catalysts, siab kub, thiab siab siab los txhawb cov tshuaj tiv thaiv polymerization; low-pressure polymerization yog nqa tawm nyob rau hauv 10-50 atmospheres, thiab yuav tsum tau catalysts thiab tshav kub los txhawb cov tshuaj tiv thaiv polymerization.
3. Kev kho cov polymer: Cov polymer tau tom qab cov tshuaj tiv thaiv polymerization yuav tsum tau kho, feem ntau suav nrog compression, shredding, melting, ua, thiab lwm yam.
4. Pelletizing: Tom qab cov polymer ua tiav los ntawm extrusion, txiav, thiab lwm yam txheej txheem, nws yog tsim rau hauv polyethylene hais rau kev thauj mus los thiab cia.
5. Moulding: Tom qab cov khoom siv polyethylene tau rhuab thiab yaj, lawv tau molded rau hauv ntau yam duab thiab qhov ntau thiab tsawg ntawm cov khoom siv polyethylene los ntawm kev txhaj tshuaj molding, extrusion, tshuab molding, thiab lwm yam txheej txheem molding.

Puas yog polyethylene resin tshuaj lom?

Polyethylene resin nws tus kheej tsis yog tshuaj lom, nws cov khoom tseem ceeb yog carbon thiab hydrogen, thiab nws tsis muaj cov tshuaj lom. Yog li ntawd, cov khoom polyethylene lawv tus kheej tsis tsim cov tshuaj lom. Txawm li cas los xij, qee cov tshuaj yuav siv tau rau hauv cov txheej txheem ntawm cov khoom siv polyethylene, xws li catalysts, cov kuab tshuaj, thiab lwm yam, uas yuav ua rau tib neeg noj qab haus huv. Nyob rau tib lub sijhawm, cov pa phem xws li cov khoom siv hluav taws xob tsis zoo yuav raug tsim thaum lub sijhawm ua cov khoom siv polyethylene, thiab yuav tsum tau ntsuas qhov cua kom tsim nyog. Tsis tas li ntawd, thaum cov khoom siv polyethylene raug rhuab mus rau qhov kub siab, cov khoom tsis zoo xws li carbon monoxide thiab carbon dioxide yuav raug tso tawm, yog li kev ntsuas kev nyab xeeb yuav tsum tau ua thaum cua sov. Feem ntau, polyethylene nws tus kheej tsis yog tshuaj lom, tab sis hauv kev tsim thiab ua cov khoom siv polyethylene, yuav tsum tau them nyiaj rau kev nyab xeeb ntawm kev siv thiab tuav cov tshuaj, thiab kev tiv thaiv tsim nyog yuav tsum tau ua thaum siv thiab tuav cov khoom polyethylene.

Txoj kev loj hlob thiab daim ntawv thov kev cia siab ntawm polyethylene hnab yas

Keeb kwm kev loj hlob: Polyethylene hnab yas thawj zaug tau tshwm sim hauv xyoo 1950 thiab tau siv los ntim cov khoom ua liaj ua teb thiab cov khoom lag luam. Nrog rau txoj kev loj hlob ntawm kev lag luam thiab kev txhim kho ntawm tib neeg txoj kev ua neej nyob, qhov kev thov rau cov hnab yas polyethylene maj mam nce, thiab qee qhov teeb meem ntawm ib puag ncig muaj kuab paug kuj tshwm sim. Txhawm rau daws cov teeb meem no, tib neeg tau pib tshawb nrhiav txoj hauv kev txhim kho kom ruaj khov ntawm cov hnab yas polyethylene, xws li siv cov ntaub ntawv tshiab xws li cov yas degradable thiab ntxiv dag zog rau cov khoom siv rov ua dua tshiab.

Daim ntawv thov kev cia siab: Nrog kev txhim kho ntawm kev lag luam thoob ntiaj teb thiab kev paub txog ib puag ncig ntawm tib neeg, daim ntawv thov kev cia siab ntawm cov hnab yas polyethylene tseem dav. Ntxiv rau qhov chaw ntim khoom ib txwm muaj, cov hnab yas polyethylene kuj tuaj yeem siv rau hauv kev ua liaj ua teb, kev kho mob, kev tiv thaiv ib puag ncig thiab lwm yam kev lag luam, xws li siv rau kev faib cov khib nyiab, kev siv pov tseg kev kho mob, kev ua liaj ua teb zaj duab xis, thiab lwm yam nyob rau hauv lub neej yav tom ntej, nrog kev nruam nruam. ntawm kev siv tshuab, kev ua tau zoo ntawm cov hnab yas polyethylene yuav raug txhim kho ntxiv, xws li kev txhim kho lub zog, txhim khu kev ua pa, ua kom nrawm nrawm nrawm, thiab lwm yam, tib lub sijhawm, cov ntaub ntawv tshiab zoo nkauj thiab ruaj khov, xws li biodegradable polymers, kuj yuav tshwm sim.

Lub cev thiab tshuaj muaj zog ntawm polyethylene cob

Polyethylene resin yog ib qho thermoplastic polymer nrog cov yam ntxwv ntawm lub cev thiab tshuaj lom neeg hauv qab no:

1. Cov yam ntxwv ntawm lub cev:

Qhov ntom ntom: Qhov ntom ntawm polyethylene yog qhov tsawg, feem ntau yog nyob nruab nrab ntawm 0.91-0.93g / cm3, ua rau nws lub teeb yuag.
Transparency: Polyethylene muaj cov pob tshab zoo thiab lub teeb kis tau zoo, ua rau nws tsim nyog siv rau hauv ntim thiab lwm yam.
Thaum tshav kub kub tsis kam: Polyethylene muaj cov cua kub tsis zoo thiab tsuas yog siv tau ntawm qhov kub ntawm 60-70 ℃.
Kev Tiv Thaiv Txias: Polyethylene muaj qhov ua tau zoo txias thiab tuaj yeem siv rau hauv qhov chaw qis qis.
Mechanical zog: Polyethylene muaj cov khoom siv zoo, nrog rau lub zog tensile, elastic modulus, cuam tshuam lub zog, thiab lwm yam.

2. Cov yam ntxwv tshuaj:

Kev ruaj ntseg tshuaj: Polyethylene muaj kev tiv thaiv zoo rau cov tshuaj feem ntau ntawm chav tsev kub, tab sis kev sib cuag nrog cov khoom uas muaj zog oxidants, muaj zog acids, thiab muaj zog alkalis yuav tsum zam.
Solubility: Polyethylene yog insoluble nyob rau hauv cov organic solvents, tab sis ib nrab yaj nyob rau hauv kub aromatic kuab tshuaj.
Combustibility: Polyethylene yog nplaim taws thiab ua rau cov pa luam yeeb dub thiab cov pa phem thaum hlawv, yog li kev tiv thaiv hluav taws thiab tawg yuav tsum raug coj mus rau hauv tus account thaum tsim khoom thiab siv.
Degradability: Polyethylene degrades maj mam thiab feem ntau siv decades mus rau ntau pua xyoo kom degrade tag nrho, ua rau muaj kev cuam tshuam loj rau ib puag ncig.

Daim ntawv thov thiab kev lag luam kev tsom xam ntawm polyethylene zaj duab xis hauv ntim teb

Polyethylene zaj duab xis yog ib qho khoom ntim khoom siv feem ntau, thiab nws cov ntawv thov hauv kev ntim khoom suav nrog cov hauv qab no:

1. Ntim Cov Khoom Noj: Polyethylene zaj duab xis tuaj yeem ua rau hauv cov hnab ntim khoom noj, cov khoom noj khoom haus, thiab lwm yam, nrog rau cov cua sov zoo, tiv thaiv roj, thiab noo noo, tiv thaiv zoo thiab kev nyab xeeb ntawm cov zaub mov.
2. Kev ntim khoom kho mob: Polyethylene zaj duab xis tuaj yeem ua rau hauv cov hnab ntim kho mob, cov ntaub ntawv kho mob, thiab lwm yam, nrog rau cov tshuaj lom neeg zoo thiab tsis kub tsis kam, tiv thaiv cov tshuaj zoo thiab kev nyab xeeb.
3. Agricultural ntim: Polyethylene zaj duab xis tuaj yeem ua rau hauv zaj duab xis ua liaj ua teb, tsev cog khoom zaj duab xis, thiab lwm yam, nrog cov dej noo zoo, tiv thaiv los nag, thiab kev txuag hluav taws xob, kev txhim kho qoob loo thiab zoo.
4. Kev ntim khoom: Polyethylene zaj duab xis tuaj yeem ua rau hauv hnab, nyias zaj duab xis, thiab lwm yam rau kev siv, nrog kev hnav zoo, tshuaj tiv thaiv corrosion, plua plav, thiab lwm yam khoom, tiv thaiv cov khoom lag luam zoo.

Tam sim no, kev lag luam thov rau polyethylene zaj duab xis nyob rau hauv lub ntim teb yog nce xyoo los ntawm lub xyoo, feem ntau yog vim li cas rau hauv qab no:

1. Kev txhim kho tas mus li ntawm kev lag luam ntim khoom: Nrog kev txhim kho kev noj qab haus huv thiab kev tsim kho cov khoom siv logistics, qhov kev thov rau kev lag luam ntim khoom yog nce, ua rau kev lag luam xav tau rau polyethylene zaj duab xis.
2. Kev nce hauv kev nyab xeeb ntawm zaub mov thiab kev paub txog ib puag ncig: Nrog rau kev saib xyuas ntawm cov neeg siv khoom noj khoom haus kev nyab xeeb thiab kev tiv thaiv ib puag ncig, cov kev xav tau ntawm cov khoom ntim tau nce siab dua, thiab polyethylene zaj duab xis muaj qee qhov zoo hauv qhov no.
3. Kev txhawb nqa kev ua liaj ua teb niaj hnub: Kev ua liaj ua teb niaj hnub xav tau ntau cov ntaub ntawv ntim khoom, thiab polyethylene zaj duab xis muaj kev lag luam dav dav hauv kev ntim khoom ua liaj ua teb.

Recycling thiab kev tiv thaiv ib puag ncig tseem ceeb ntawm polyethylene

Kev rov ua dua tshiab thiab rov siv dua ntawm polyethylene muaj qhov tseem ceeb ntawm ib puag ncig, uas tuaj yeem pom hauv cov hauv qab no:

• Kev txuag cov peev txheej: Kev rov ua dua tshiab thiab rov siv dua ntawm polyethylene tuaj yeem txo qhov kev thov rau cov khoom siv tshiab, txuag cov peev txheej, thiab txhawb kev txhim kho kom ruaj khov.
• Kev txo cov pov tseg: Kev rov ua dua tshiab thiab rov siv dua ntawm polyethylene tuaj yeem txo cov khoom pov tseg, txo qhov hnyav ntawm ib puag ncig, thiab txhawb kev tiv thaiv ib puag ncig.
• Txo cov pa roj carbon emissions: Kev tsim cov polyethylene yuav tsum muaj ntau lub zog, thiab kev rov ua dua thiab rov siv dua tuaj yeem txo qis kev siv hluav taws xob, txo qis carbon emissions, thiab pab daws qhov hloov pauv huab cua.

Muaj ntau txoj hauv kev los rov ua dua polyethylene:

• Mechanical recycling: Polyethylene pov tseg yog crushed, ntxuav, qhuav, thiab ces ua rau pellets, nplooj ntawv, films, thiab lwm yam ntaub ntawv rau rov qab siv.
• Kev Siv Tshuaj Siv Tshuaj: Polyethylene pov tseg yog hloov mus rau hauv cov organic tebchaw lossis lub zog los ntawm cov txheej txheem tshuaj, xws li polyethylene catalytic cracking los tsim cov roj.
• Kev siv hluav taws xob rov qab: Polyethylene pov tseg yog siv rau kev siv hluav taws xob thermal, xws li incineration thiab hluav taws xob tsim.

Daim ntawv thov thiab kev loj hlob zeem muag ntawm cov khoom siv polyethylene hauv kev tsim kho

Polyethylene resin cov ntaub ntawv muaj ntau yam kev siv hauv kev tsim kho kev lag luam, feem ntau suav nrog cov hauv qab no:

• Cov ntaub ntawv rwb thaiv tsev hauv tsev: Polyethylene foam board yog cov khoom siv rwb thaiv tsev zoo heev uas tuaj yeem siv rau rwb thaiv tsev ntawm phab ntsa, ru tsev, pem teb, thiab lwm yam.
• Cov kav dej: Cov kav dej polyethylene muaj qhov zoo ntawm kev tiv thaiv corrosion, hnav tsis kam, thiab lub teeb yuag, thiab tuaj yeem siv rau cov kav dej txias thiab dej kub, cov kav dej kub, thiab lwm yam kev siv hauv tsev.
• Rwb thaiv tsev cov ntaub ntawv: Polyethylene rwb thaiv tsev cov ntaub ntawv yog dav siv nyob rau hauv lub tshav pob ntawm rwb thaiv tsev, tshav kub preservation, thiab waterproofing nyob rau hauv lub tsev.
• Zaj duab xis hauv av: Polyethylene zaj duab xis hauv av tuaj yeem siv rau kev ya raws-pov thawj thiab rwb thaiv tsev hauv tsev.
• Artificial turf: Cov ntaub ntawv polyethylene yog siv dav hauv kev tsim cov nyom dag, nrog kev ua haujlwm zoo thiab zoo nkauj.

Txoj kev loj hlob zeem muag ntawm polyethylene resin cov ntaub ntawv nyob rau hauv kev tsim kho kev lag luam yog cog lus, raws li lawv muaj peev xwm ua tau raws li qhov xav tau ntawm kev txuag hluav taws xob, kev tiv thaiv ib puag ncig, thiab kev txhim kho kom ruaj khov. Nrog rau kev txhim kho txuas ntxiv ntawm kev tsim cov thev naus laus zis thiab kev tsim cov ntawv thov tshiab, cov ntaub ntawv polyethylene yuav tsum ua lub luag haujlwm tseem ceeb hauv kev tsim kho kev lag luam.

Kev siv cov polyethylene resin hauv cov hmoov txheej

Polyethylene resin yog nce dav siv hauv cov hmoov txheej. Cov hmoov txheej yog cov kuab tshuaj tsis muaj kuab lom, tsis muaj cov organic txheej nrog kev tiv thaiv ib puag ncig, kev ua haujlwm siab, thiab kev txuag hluav taws xob zoo. Polyethylene resin yog ib qho tseem ceeb raw khoom rau hmoov txheej, feem ntau yog siv nyob rau hauv cov nram no:

• Polyethylene resin tuaj yeem siv los ua cov yeeb yaj kiab tseem ceeb ntawm cov hmoov coatings, nrog kev ua haujlwm zoo, hnav tsis kam, thiab huab cua tsis kam, uas tuaj yeem tiv thaiv qhov chaw ntawm cov khoom coated los ntawm corrosion thiab oxidation.
• Polyethylene resin tuaj yeem siv los ua cov yas yas rau cov hmoov txheej, uas tuaj yeem txhim kho qhov yooj thiab cuam tshuam ntawm cov txheej, ua rau cov txheej txheem ntau dua.
• Polyethylene resin tuaj yeem siv los ua tus neeg sawv cev rau cov hmoov txheej, uas tuaj yeem txhim kho gloss thiab smoothness ntawm txheej txheej, ua rau txheej txheej zoo nkauj dua.
• Polyethylene resin tuaj yeem siv los ua cov tshuaj tua kab mob rau cov hmoov txheej, uas tuaj yeem ua rau lub neej ntev ntawm cov txheej txheej thiab txhim kho nws cov kav ntev.

Hauv cov ntsiab lus, daim ntawv thov ntawm polyethylene resin hauv cov hmoov txheej tuaj yeem txhim kho kev ua haujlwm thiab cov txheej txheem zoo, thaum tseem ua tau raws li kev tiv thaiv ib puag ncig thiab muaj kev lag luam dav dav.