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PP, PE, ABS Plastics- Muaj pes tsawg yam uas koj paub
Plastics ua si lub luag haujlwm tseem ceeb hauv kev lag luam vim lawv lub teeb yuag, lub peev xwm siv tau ntev, thiab versatility. Ntawm cov feem ntau siv cov plastics yog polypropylene (PP), polyethylene (PE), thiab Acrylonitrile Butadiene Stryriene (Abs). Txhua ntawm cov ntaub ntawv no muaj cov khoom uas txawv uas ua rau lawv haum rau cov ntawv thov sib txawv. Cia peb muaj qhov sib piv hauv PP, PE, thiab ABS Plastics raws li lawv cov khoom, kev siv tshuaj, tsis zoo, thiab ib qho kev cuam tshuam ib puag ncig, thiab ib puag ncig.
Composition thiab Cov Qauv Tshuaj
Polypropylene (pp):
PP yog lub thermoplicity polymer ua los ntawm polymerization ntawm propylene monomers. Nws yog ib lub suab-crystalline cov ntaub paub rau nws cov tshuaj lom neeg ntau, lub teeb yuag, thiab kav ntev. PP muaj nyob rau hauv cov hom sib txawv, suav nrog homopolymer thiab copolymer, uas muab cov khoom sib txawv rau cov ntawv thov kev lag luam.
Polyethylene (PE):
PE yog lwm cov thermoplastic polymer muaj los ntawm ethylene monomers. Nws los nyob rau hauv ntau yam ntom ntom:
Tsawg-ceev polyethylene (ldpe)- Ntau dua yooj yim, siv rau cov hnab yas thiab zaj duab xis.
High-ntom polyethylene (HDPE)- Rigid thiab muaj zog, siv rau ntim thiab kav dej.
Ultra-siab molecular hnyav polyethylene (UHMWPE)- Tsis tshua muaj neeg nyob ruaj khov thiab cuam tshuam-resistant, siv nyob rau hauv baperproof vests thiab chaw muaj khoom.
Acrylonitrile Butadiene STyrene (ABS):
Abs yog ib thermoplicity polymer muaj ntawm peb monomers:
Acrylonitrile- Muab tshuaj thiab cua sov ua kom tsis taus.
Rab nyom- Txhim kho kev nruj thiab cuam tshuam lub zog.
Styrene- Muaj ib tug du, ci ua tiav thiab nruj. Qhov kev sib xyaw ua ke no ua rau muaj kev loj-zog yas feem ntau siv hauv kev siv cov cuab yeej engineering.
Lub cev thiab tshuab cov khoom siv
|
Ntiag tug |
Pp (polypropylene) |
PE (Polyethylene) |
ABS (Acrylonitrile Butadiene STyrene) |
|
Ceev |
{{{{0}}}. 89 - 0.91 g / cm³ |
{{{{0}}}. 91 - 0.97 g / cm³ |
1.03 - 1.06 g / cm³ |
|
Melting taw tes |
~ {130-170 degree |
~ {105-135 degree |
~ {200-250 degree |
|
Lub zog tensile |
30-50 mpa |
10-40 mpa |
40-60 mpa |
|
Kev Cuam Tshuam |
Tswj kav |
Siab (tshwj xeeb yog LDPE) |
Zoo tshaj |
|
Tshuaj Kuj |
Siab |
Siab heev |
Tswj kav |
|
UV Kuj |
Pluag |
Pluag (tshwj tsis yog kho) |
Zoo |
|
Dej ragentit |
Tsawg heev |
Tsawg heev |
Qi |
|
Kev nyuaj |
Semi-rigid |
Sib txawv (muag muag kom nruj) |
Txhav thiab tawv |
Cov ntawv thov ntawm PP, PE, thiab ABS
Daim Ntawv Thov PP:
PP tau dav hauv cov ntawv thov uas yuav tsum tau ua, tshuaj lom neeg, thiab lub teeb yuag, suav nrog:
Ntim:Ntim zaub mov, lub raj mis lub raj mis, thiab hnab yas.
Automotive:Tsheb Bumpers, dashboards, thiab cov roj teeb.
Kev Kho Mob:Cov koob txhaj tshuaj, cov tais diav, thiab cov tais kho mob.
Textiles:Tsis yog-woven cov ntaub, hlua, thiab upholstery.
Cov neeg siv khoom lag luam:Cov ntawv sau, rooj tog zaum, thiab thawv cia khoom.
PE Daim Ntawv Thov:
PE yog paub rau nws cov versatility thiab durability, ua rau nws xaiv nrov hauv:
Ntim:Cov hnab yas, ntsws qhwv, thiab mis nyuj jugs.
Kev Tsim Kho:Kav dej, rwb thaiv tsev, thiab geomembranes.
Kev Kho Mob:Cov pob qij txha ua khoom cuav, cov ntawv qhia, thiab chav khaws cia.
Cov khoom hauv tsev neeg:Txiav laug cam, tso tsheb hlau luam dej, thiab khoom ua si.
Kev Siv Siv:Tshuaj siv tshuaj lom neeg ntim khoom thiab tiv thaiv kev tiv thaiv.
Daim Ntawv Thov Abs:
Abs yog qhov xav tau rau cov kev siv uas xav tau kev cuam tshuam siab tiv thaiv thiab cov qauv kev ncaj ncees, xws li:
Automotive:Dashboards, lub log npog, thiab trims sab hauv.
Cov Khoom Siv Hluav Taws Xob:Cov Ntaub Ntawv Teeb Meem, Cov Ntsiab Lus, thiab Xov Tooj.
Cov khoom ua si:LEGO Cib Cov Khaub Ncaws Thiab Cov Khoom Ua Qauv.
Kev Tsim Kho:Cov kav dej, cov fittings, thiab phab ntsa ntoo.
Cov Tshuab 3D:Prototyping thiab tsim cov chaw ua haujlwm.
Qhov zoo thiab qhov tsis zoo
Qhov Zoo Ntawm PP:
✔ighthte thiab ruaj
Kom Siab Siab Siv Tshuaj Lom
✔ Zoo heev noo noo
✔ Zoo nkees ua rau (tuaj yeem khoov ntau zaus)
Siv tus nqi kho mob thiab siv tau
Qhov tsis zoo ntawm pp:
✖ Kev tsis kam UV tsis kam (yuav tsum tau muab cov ntxiv rau kev siv sab nraum zoov)
✖ Crazle ntawm tsawg kub
Nws nyuaj rau kev sib raug zoo nrog cov nplaum
Qhov Zoo ntawm PE:
✔ Qhov Zoo Zoo Tshaj
Kom siab siv tshuaj lom neeg thiab noo noo tsis kam
✔ Zauv thiab tawv (tshwj xeeb yog LDPE)
✔ QHOV CHAW TSIS TXAUS SIAB (tagnrho zoo tshaj plaws rau txav chaw)
✔ Qhov hluav taws xob zoo insulating cov khoom lag luam
Qhov tsis zoo ntawm PE:
✖ Tsawg Lub Tshav Kub Kub Kuj
✖ nquag deformation nyob rau kev ntxhov siab
✖ Cov nplaum tsis zoo thiab kev luam ntawv tsis muaj kev kho deg
Qhov zoo ntawm Abs:
Ua rau muaj kev cuam tshuam loj thiab tawv
✔ Cov Rwb Cua Sov Zoo thiab Hluav Taws Xob
✔ Kev du thiab ci ntsa iab, yooj yim pleev xim thiab lo kua nplaum
Kev tiv thaiv kom ntxhov siab
✔ tau zoo heev thiab yooj yim rau pwm
Qhov tsis zoo ntawm Abs:
Tsis yog lam ua kom tiv taus li PP thiab PE
Kim kim dua pp thiab pe
✖ tsis yoog tau piv rau PE
✖ nplaim taws tshwj tsis yog kho nrog hluav taws retardants
Kev cuam tshuam ib puag ncig thiab rov ua dua tshiab
Tag nrho peb cov plastics tuaj yeem rov ua dua tshiab, tab sis lawv muaj cov theem sib txawv ntawm ib puag ncig ib puag ncig:
PP rov ua dua tshiab (code # 5):Dav rov ua dua tshiab tab sis tsis biodegradable.
PE Ua Ub (Code # 2 rau HDPE, # 4 rau LDPE):HDPE yooj yim dua; LDPE tsis tshua pom zoo.
ABS Recycling (Code # 7 -}}}}}}}}}} Hais Txog Plastics):Tsawg feem ntau siv tau tab sis rov ua haujlwm hauv kev tsim khoom.
Txhawm rau kom txo cov khib nyiab, cov khoom siv biodegradable thiab txhim kho cov hau kev ua dua tshiab tau tsim rau txhua cov khoom siv.
PP vs. PE Vs. ABS: Qhov twg los xaiv?
Rau kev yoog raws thiab tshuaj lom neeg tiv thaiv: Pe(zoo tshaj plaws rau lub hnab, kav dej, thiab ntim).
Rau lub zog, durability, thiab lub teeb cov ntawv thov: Pp(Qhov zoo tshaj plaws rau kev kho tsheb, textiles, thiab khoom hauv tsev).
Rau kev cuam tshuam tsis kam thiab kev ua kom zoo nkauj: Abs(Zoo tshaj plaws rau cov khoom siv hluav taws xob, cov khoom lag luam hauv tsheb, thiab khoom ua si).
PP, PE, thiab ABS Plastics txhua tus muaj cov khoom tshwj xeeb uas ua rau lawv haum rau cov ntawv thov sib txawv. PP muaj nuj nqis rau nws cov tshuaj tsis kam thiab pheej yig, PE yog paub rau nws qhov yooj yim thiab cuam tshuam, tsis muaj kev nyiam rau nws txoj kev ua haujlwm detability thiab kev pom zoo. Nkag siab txog lawv qhov sib txawv yuav pab rau kev xaiv cov khoom tsim nyog tshaj plaws rau kev lag luam tshwj xeeb thiab cov neeg siv khoom xav tau.
Los ntawm kev txiav txim siab tus nqi, durability, rov ua dua, thiab cov ntawv thov yuav tsum tau ua kom zoo cov khoom lag luam ib puag ncig. Raws li kev tshawb fawb mus rau hauv biodegradable plastics thiab advanced recycling txuas ntxiv mus, lub neej tom ntej ntawm cov ntaub ntawv no yuav tsum tau hloov zuj zus mus rau ntau dua kev ua haujlwm thiab ua tau zoo.
Cim npe nrov: Cov Ntawv Pov Thawj Hlau Hlau Ntsaws Hlau, Tuam Tshoj TAMPL Khoom Pov Thawj Hlau Ntsaws Ruaj Ruaj, lwm tus neeg, Hoobkas
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