Polyethylene yog luv ua PE, uas yog ib hom thermoplastic resin ua los ntawm polymerization ntawm ethylene. Hauv kev lag luam, nws kuj suav nrog copolymers ntawm ethylene thiab me ntsis ntawm α-olefin. Polyethylene tsis muaj ntxhiab, tsis muaj tshuaj lom, zoo li quav ciab, muaj kev tiv thaiv kub qis zoo heev (qhov kub tsawg kawg nkaus siv tuaj yeem ncav cuag -70 ~ -100 ℃), muaj kev ruaj khov tshuaj zoo, thiab tuaj yeem tiv taus feem ntau cov kua qaub thiab alkalis (tsis tiv taus cov khoom oxidizing) Acid), tsis yaj hauv cov kuab tshuaj dav dav ntawm chav tsev kub, nqus dej tsawg, rwb thaiv tsev hluav taws xob zoo heev; tab sis polyethylene rhiab heev rau kev ntxhov siab ib puag ncig (cov teebmeem tshuaj lom neeg thiab tshuab), thiab muaj kev tiv thaiv kub tsis zoo. Cov yam ntxwv ntawm polyethylene sib txawv ntawm hom mus rau hom, feem ntau nyob ntawm cov qauv molecular thiab qhov ceev. Cov txheej txheem tsim khoom sib txawv tuaj yeem siv los tau txais cov khoom nrog qhov ceev sib txawv (0.91 ~ 0.96g / cm3). Polyethylene tuaj yeem ua tiav los ntawm cov txheej txheem thermoplastic molding dav dav (saib kev ua yas). Nws muaj ntau yam kev siv, feem ntau yog siv los ua cov yeeb yaj kiab, cov thawv, cov kav dej, monofilaments, cov xov hlau thiab cov cables, cov khoom siv niaj hnub, thiab lwm yam, thiab tuaj yeem siv ua cov ntaub ntawv rwb thaiv tsev siab rau TVs, radars, thiab lwm yam.
Hom PE:
(1) LDPE: polyethylene uas tsis ntom heev, polyethylene uas siab heev
(2) LLDPE: polyethylene uas tsis muaj zog linear
(3) MDPE: polyethylene nruab nrab ceev, bimodal resin
(4) HDPE: polyethylene siab ceev, polyethylene qis siab
(5) UHMWPE: Polyethylene uas muaj molecular hnyav heev
(6) Cov polyethylene hloov kho: CPE, polyethylene txuas (PEX)
(7) Ethylene copolymer: ethylene-propylene copolymer (yas), EVA, ethylene-butene copolymer, ethylene-lwm olefin (xws li octene POE, cyclic olefin) copolymer, ethylene-unsaturated ester copolymer (EAA, EMAA, EEA, EMA, EMMA, EMAH)

Peb lub raj xa dejyog ua los ntawm cov khoom siv HDPE