Polyethylene dị obere
Polyethylene dị obere,
Polyethylene dị obere,
Polyethylene dị ala (LDPE) bụ resin sịntetik na-eji usoro nrụgide dị elu site na polymer radical free nke ethylene na ya mere a na-akpọkwa ya "polyethylene dị elu".Ebe ọ bụ na yinye molekụla ya nwere ọtụtụ alaka ogologo na nke dị mkpụmkpụ, LDPE dị obere kristal karịa polyethylene dị elu (HDPE) na njupụta ya dị ala.Ọ na-egosipụta ìhè, mgbanwe, ezigbo nguzogide na-ekpo ọkụ na mmetụta mmetụta.LDPE kwụsiri ike na kemịkalụ.Ọ nwere ezigbo iguzogide acid (ma e wezụga ike oxidizing acids), alkali, nnu, ihe mkpuchi ọkụ eletrik mara mma.Ọnụego ntinye uzuoku ya dị ala.LDPE nwere mmiri mmiri dị elu yana ezigbo nhazi.Ọ dabara adaba maka iji ya n'ụdị usoro nhazi thermoplastic niile, dị ka ịkpụzi injection, ịkpụzi extrusion, ịkpụzi ihe, rotomolding, mkpuchi, ịfụfụ, ikpo ọkụ, ịgbado ọkụ-jet na ịgbado ọkụ ọkụ.
Ngwa
A na-ejikarị LDPE eme ihe nkiri.A na-eji ya eme ihe n'ọtụtụ ebe na mmepụta ihe nkiri ugbo (ihe nkiri mulching na ihe nkiri awụsara), ihe nkiri nkwakọba ihe (maka iji na-ebukọ candies, akwụkwọ nri na nri oyi kpọnwụrụ), ihe nkiri fụrụ maka nkwakọ ngwaahịa mmiri (maka iji na nkwakọ ngwaahịa mmiri ara ehi, soy sauce, ihe ọṅụṅụ). bean curds na mmiri ara ehi soy), akpa nkwakọ ngwaahịa dị arọ, ihe nkiri nkwakọ ngwaahịa mbelata, ihe nkiri na-agbanwe agbanwe, ihe nkiri mkpuchi, ihe nkiri eji arụ ụlọ, ihe nkiri nkwakọ ngwaahịa ụlọ ọrụ zuru oke na akpa nri.A na-ejikwa LDPE n'ọtụtụ ebe na mmepụta nke waya & eriri mkpuchi mkpuchi.LDPE jikọtara cross bụ isi ihe eji eme ihe na mkpuchi mkpuchi nke eriri voltaji dị elu.A na-ejikwa LDPE na-emepụta ngwaahịa ndị a na-emepụta injection (dị ka okooko osisi artificial, ngwá ọrụ ahụike, ọgwụ na ihe nkwakọ ngwaahịa nri) na tubes extrusion, efere, waya & cable cover na profiled plastic ngwaahịa.A na-ejikwa LDPE eme ngwaahịa oghere na-akpụ akpụ dị ka arịa maka ijide nri, ọgwụ, ihe ịchọ mma na ngwaahịa kemịkal, na tankị.
Ngwugwu, Nchekwa na Ụgbọ njem
LDPE bụ mbiri maka Low Density Polyethylene.A na-eme polyethylene site na polymerization nke ethylene.(Poly pụtara 'ọtụtụ'; n'ezie, ọ pụtara ọtụtụ ethylene).A na-enweta Ethylene site n'ịgbawa mmanụ ọkụ dị ka naphtha.
A na-enweta njupụta dị ala site na usoro polymerization dị elu.Nke a na-emepụta ụmụ irighiri ihe nwere ọtụtụ alaka akụkụ.Ala ndị dị n'akụkụ hụ na ogo nke crystallization na-anọgide na-adị ala.N'ikwu ya n'ụzọ ọzọ, n'ihi ọdịdị ha na-adịghị ahụkebe, ụmụ irighiri ihe apụghị ịdinarị ma ọ bụ n'elu ibe ha n'ụzọ a haziri nke ọma, nke mere na obere n'ime ha dabara n'otu oghere.N'ịdị ala nke kristal, na-ebelata njupụta nke ihe.
Ezi ihe atụ nke a na ndụ kwa ụbọchị bụ mmiri na ice.Ice bụ mmiri na steeti (dị elu) kristal, ya mere ọ dị mfe karịa mmiri (akpụrụ akpụ gbazere).
LDPE bụ ụdị thermoplastic.Ọ bụ rọba na-adị nro mgbe a na-ekpo ọkụ, n'adịghị ka rọba dịka ọmụmaatụ.Nke a na-eme ka thermoplastics dabara adaba maka ijikwa ya ọzọ.Mgbe ikpo ọkụ gasịrị, enwere ike iweta ya n'ụdị ndị ọzọ achọrọ.
