Kedu ihe bụ HDPE ihe? Nyocha zuru oke nke njirimara na ngwa nke polyethylene dị elu
N'ime ụlọ ọrụ kemịkalụ, HDPE bụ ihe dị oke mkpa, aha ya zuru oke bụ High-Density Polyethylene (High-Density Polyethylene) .Gịnị kpọmkwem bụ HDPE? Isiokwu a ga-enye gị azịza zuru ezu na nyocha miri emi nke njirimara HDPE, usoro mmepụta ya na ngwa ngwa ya dị iche iche.
Echiche bụ isi na Ọdịdị kemịkal nke HDPE
Kedu ihe bụ HDPE? Site n'echiche kemịkalụ, HDPE bụ polymer thermoplastic kpụrụ site na mgbakwunye polymerisation nke ethylene monomers. Ihe e ji mara ihe owuwu ya bụ ụdọ polyethylene dị ogologo nwere oke molekụla dị elu yana ụdọ ndị nwere obere alaka dị n'etiti ha, na-ebute nhazi molekụla siri ike karị. Nhazi molekụla a siri ike na-enye HDPE nnukwu njupụta n'ime ezinụlọ polyethylene, nke na-adịkarị n'etiti 0.940 g/cm³ na 0.970 g/cm³.
Njirimara anụ ahụ kachasị elu nke HDPE
Ihe HDPE na-egosipụta ọtụtụ njirimara anụ ahụ mara mma n'ihi nhazi ihe omimi ya pụrụ iche. Ọ nwere ike dị elu na ike siri ike ma nwee ike iguzogide nrụgide nrụpụta ọrụ dị elu, nke na-eme ka ọ bụrụ ihe magburu onwe ya na ngwa ndị na-ebu ibu.HDPE nwere ezigbo nguzogide kemịkalụ, nke na-eme ka ọ baa uru maka ịchekwa kemịkal.
HDPE nwekwara ezigbo nguzogide okpomọkụ dị ala, na-enwe ike ịnọgide na-esi ike ya na gburugburu ebe dị ala ruo -40 Celsius na-enweghị ike ịghọgbu. Ọ nwekwara ezigbo ihe mkpuchi ọkụ eletrik, nke mere ka a na-eji ya na-ekpuchi wires na eriri.
HDPE mmepụta usoro na nhazi usoro
Mgbe ị ghọtara ụdị ihe HDPE bụ, ka anyị leba anya n'usoro mmepụta ya.HDPE na-emekarị site na usoro nrụgide polymerisation dị ala, ya bụ n'okpuru ọnọdụ nrụgide dị ala, na Ziegler-Natta catalyst ma ọ bụ Phillips catalyst dị ka isi ihe na-eme ka ọ bụrụ onye na-emepụta ihe, site na usoro gas, ngwọta. ma ọ bụ slurry polymerization usoro. Usoro ndị a na-ebute HDPE nwere obere kristal na ọnụ ọgụgụ kristal dị elu, na-ebute ihe onwunwe polyethylene dị elu.
Ihe HDPE nwere ikike nhazi dị mma ma nwee ike ịkpụzi ya site na ụzọ nhazi dị iche iche, dị ka ịkpụzi injection, ịkpụzi ịkpụzi na ịkpụzi extrusion. N'ihi ya, enwere ike ịme HDPE n'ọtụtụ ụdị ngwaahịa dị ka ọkpọkọ, ihe nkiri, karama na arịa plastik.
Mpaghara ngwa ngwa maka HDPE
N'ihi ọtụtụ ihe magburu onwe ya nke ihe HDPE, a na-eji ya eme ihe n'ọtụtụ ụlọ ọrụ dị iche iche. N'ime ụlọ ọrụ nkwakọ ngwaahịa, a na-ejikarị HDPE na-emepụta ụdị karama plastik dị iche iche, mkpuchi karama, ihe nkiri nkwakọ ngwaahịa nri, wdg. Nnukwu njupụta ya na ikike dị ala na-eme ka nchekwa dị ogologo oge nke nkwakọ ngwaahịa ahụ. N'ime ụlọ ọrụ ihe owuwu, a na-eji HDPE na-emepụta mmiri na mmiri na-agbapụta mmiri na ọkpọkọ gas, na nrụrụ ya na nguzogide mmetụta ya na-eme ka ọ bụrụ ntụkwasị obi na gburugburu ebe siri ike.
Na mpaghara ugbo, a na-eji HDPE eme ihe nkiri ugbo, ụgbụ ndò na ngwaahịa ndị ọzọ, ebe nguzogide UV ya na ịdịte aka na-ahụ maka nchekwa na mkpụrụ osisi.HDPE na-ejikwa ya eme ihe n'ichepụta mkpuchi maka wires na eriri, yana na tankị na akpa dị iche iche na-eguzogide ọgwụ.
Mmechi
HDPE bụ ihe eji eme ihe na-ekpo ọkụ na-ekpo ọkụ nke nwere ihe ndị dị mma dị ka ike dị elu, nguzogide kemịkalụ, obere okpomọkụ na-eguzogide na nhazi dị mfe. Ọ nwere ọtụtụ ngwa na kemịkalụ, ihe owuwu, ọrụ ugbo na mpaghara ndị ọzọ. Ọ bụrụ na ị ka na-eche "ihe bụ HDPE ihe", na-atụ anya na site na isiokwu a, ị nwere nghọta zuru oke nke njirimara na ngwa nke HDPE, ihe ịrụ ụka adịghị ya na HDPE bụ otu n'ime ihe ndị dị mkpa dị mkpa na ụlọ ọrụ ọgbara ọhụrụ.