A na-akpọchi polyethylene dị ka PE, nke bụ ụdị resin thermoplastic mere site na polymerization nke ethylene.Na ụlọ ọrụ, ọ na-agụnye copolymers nke ethylene na obere ego nke α-olefin.Polyethylene enweghị isi, ọ naghị egbu egbu, ọ na-adị ka wax, nwere ezigbo nguzogide okpomọkụ dị ala (opekempe ojiji nwere ike iru -70 ~ 100 ℃), nwere ezigbo nkwụsi ike kemịkalụ, ma nwee ike iguzogide ọtụtụ acid na alkalis (anaghị eguzogide ọgwụ oxidizing). ) Acid), ihe na-adịghị ahụkebe n'ozuzu ihe mgbaze n'ime ụlọ okpomọkụ, mmiri na-erughị ala, ihe mkpuchi eletrik dị mma;ma polyethylene na-enwe mmetụta nke ukwuu maka nrụgide gburugburu ebe obibi (mmetụta kemịkalụ na n'ibu), ma na-enwekwa mmetụta okpomọkụ na-adịghị mma.Njirimara nke polyethylene dịgasị iche site na ụdị gaa n'ụdị, tumadi dabere na nhazi ihe omimi na njupụta.Enwere ike iji ụzọ mmepụta dị iche iche nweta ngwaahịa nwere njupụta dị iche iche (0.91 ~ 0.96g / cm3).Enwere ike ịhazi polyethylene site na ụzọ ịkpụzi thermoplastic izugbe (lee nhazi plastik).Ọ nwere ọtụtụ ihe eji eme ihe, nke a na-ejikarị eme ihe nkiri, arịa, ọkpọkọ, monofilaments, wires na cables, ihe ndị dị mkpa kwa ụbọchị, wdg.
Ụdị PE:
(1) LDPE: obere njupụta polyethylene, nnukwu nrụgide polyethylene
(2) LLDPE: polyethylene njupụta dị ala
(3) MDPE: polyethylene nke ọkara, resin bimodal
(4) HDPE: polyethylene njupụta dị elu, polyethylene dị ala
(5) UHMWPE: Polyethylene dị arọ dị oke elu
(6) Polyethylene emegharịrị: CPE, polyethylene jikọtara cross (PEX)
(7) Ethylene copolymer: ethylene-propylene copolymer (plastic), EVA, ethylene-butene copolymer, ethylene-other olefin (dị ka octene POE, cyclic olefin) copolymer, ethylene-unsaturated ester copolymer ( EAA, EMAA, EEA, EMMA, EMAH
Pipette anyịbụ nke HDPE ihe
Oge nzipu: Sep-14-2021