Qhov txawv ntawm Polypropylene thiab Polyethylene yog dab tsi?

1. Polypropylene yog dab tsi?

 

Polypropylene (PP)yog ib hom thermoplastic polymer uas muaj ntau yam kev siv hauv kev lag luam xws li ntim khoom, tsheb, kev tsim kho, kev kho mob, thiab cov khoom siv. Nws yog ib qho khoom siv ntau yam uas yog tus cwj pwm los ntawm nws lub zog siab rau qhov hnyav piv, durability, thiab tshuaj tsis haum.

 

PP yog ib tug semi-crystalline polymer uas yog tsim los ntawm polymerizing propylene monomer. Nws yog lub npe hu rau nws qhov siab melting point, uas ua rau nws haum rau high-temperature daim ntaub ntawv. PP tuaj yeem tsim nyob rau hauv ntau hom ntawv xws li homopolymers, copolymer, thiab random copolymer, nyob ntawm seb tus monomer pub piv thiab cov txheej txheem polymerization siv.

 

Vim nws lub zog zoo heev, tiv taus cua sov, tshuaj, thiab dej noo, PP yog dav siv nyob rau hauv ntau yam kev siv xws li ntim khoom noj, tsheb qhov chaw, txhaj tshuaj molding, tshuab molding, extrusion, thiab woven hnab. Tsis tas li ntawd, PP yog recyclable thiab tau nrov zuj zus vim nws tsis tshua muaj kev cuam tshuam ib puag ncig thiab kev ruaj ntseg.

 

2. Polyethylene yog dab tsi?

 

Polyethylene (PE)yog ib hom thermoplastic polymer uas tau siv dav hauv kev siv xws li ntim khoom mus rau kev tsim kho. PE yog lub teeb yuag, ruaj, thiab hloov tau yooj yim uas yog tsim los ntawm polymerizing cov ethylene monomer. Nws yog ib qho semi-crystalline polymer uas yog tus yam ntxwv los ntawm nws cov kev cuam tshuam siab, zoo heev insulating zog, thiab tsis kam mus ya raws thiab tshuaj.

 

PE muaj nyob rau hauv ntau yam xws li high-density polyethylene (HDPE), low-density polyethylene (LDPE), thiab linear low-density polyethylene (LLDPE), nyob ntawm seb qhov hnyav molecular thiab branching qauv ntawm cov polymer. HDPE yog siv nyob rau hauv daim ntawv thov xws li piping, tshuab molding, thiab txhaj tshuaj molding, thaum LDPE yog siv nyob rau hauv daim ntawv thov xws li hnab yas, zaj duab xis, thiab nplooj ntawv.

 

PE yog cov khoom siv eco-phooj ywg uas tuaj yeem rov ua dua thiab muaj cov pa roj carbon tsawg dua li lwm cov yas. Nws yog siv nyob rau hauv ntau yam lag luam xws li kev ua liaj ua teb, tsheb, kev tsim kho, kev kho mob, thiab ntim khoom vim nws cov khoom zoo heev. Tsis tas li ntawd, PE yog ib qho khoom siv tau pom zoo los ntawm FDA uas yog zaub mov muaj kev nyab xeeb thiab siv dav hauv kev lag luam zaub mov thiab dej haus.

 

 

3. Qhov txawv ntawm Polypropylene thiab Polyethylene yog dab tsi?

 

Polypropylene (PP) thiab Polyethylene (PE) yog ob qho tib si thermoplastic polymers, tab sis lawv txawv ntawm cov qauv molecular, lub cev muaj zog, thiab tshuaj tiv thaiv.

 

* Molecular qauv:Polypropylene yog ib tug semi-crystalline polymer ua los ntawm monomer propylene, uas muaj ib tug linear qauv. Polyethylene kuj yog ib qho semi-crystalline polymer, tab sis nws yog tsim los ntawm ethylene monomer, uas muaj ib tug branched qauv.

 

* Lub cev muaj zog:Polypropylene yog cov khoom siv tawv thiab tawv dua li polyethylene thiab muaj qhov kub thiab txias ntau dua. Hauv qhov sib piv, polyethylene muaj qhov yooj yim dua, cuam tshuam tsis kam, thiab sib zog dua polypropylene.

 

* Tshuaj tiv thaiv:Polypropylene muaj cov tshuaj tiv thaiv zoo heev rau ntau yam tshuaj, nrog rau cov kua qaub, alkalis, thiab cov kuab tshuaj organic. Polyethylene kuj tseem tiv taus cov tshuaj feem ntau, tab sis nws tuaj yeem degrade nyob rau hauv lub xub ntiag ntawm muaj zog oxidizing agents thiab UV hluav taws xob.

 

* Cov ntawv thov:Polypropylene feem ntau yog siv rau ntau yam kev siv xws li ntim khoom, tsheb, kev tsim kho, khoom siv hauv tsev, thiab khoom siv kho mob, thiab lwm yam. Polyethylene yog siv dav hauv kev tsim cov hnab yas, lub raj mis, tso tsheb hlau luam, cov khoom ua si, thiab lwm yam khoom siv feem ntau vim nws cov nqi qis thiab kev ua haujlwm zoo dua.

 

Hauv cov ntsiab lus, Polypropylene thiab Polyethylene sib txawv hauv lawv cov qauv molecular, lub cev muaj zog, tshuaj tiv thaiv, thiab kev siv.

 

4. Hais txog peb

 

Luoyang Dema Ntshuam & Export Co., Ltd. aims muab cov khoom zoo, nqi-zoo rau lub ntiaj teb no factories, yas khoom manufacturers, thiab cov khoom distributors. Luoyang Dema Ntshuam & Export Co., Ltd. muab qhov zoo tshaj plaws PP, PE, PVC, PET, EVA, ABS cov kev daws teeb meem rau cov khoom lag luam yas, wholesalers, distributors, distributors, Hoobkas tswv, kev cob qhia, thiab lwm yam.

 

Yog tias koj tab tom nrhiav cov ntaub ntawv yas dav dav, thov koj xav tias dawb tau txais cov nqi tshiab thiab cov lus hais los ntawm Luoyang Dema Ntshuam & Export Co., Ltd. Pab pawg muag khoom yuav teb rau hauv 48 teev.