N'oge na-adịbeghị anya, akpa rọba na-emebi emebi na-ewu ewu nke ukwuu, na ọkwa dị iche iche nke mmachi rọba ewepụtala gburugburu ụwa, yana dịka otu n'ime ụdị akpa rọba na-emebi emebi, PLA bụ otu n'ime ihe kacha mkpa.Ka anyị soro ndị ọkachamara na-emepụta akpa akpa akpa TOP PACK iji ghọta akpa rọba na-emebi emebi PLA.
- Kedu ihe bụ PLA na gịnị ka e ji mee ya?
PLA bụ polymer (polylactic acid) nke nwere obere nkeji lactic acid mejupụtara.Lactic acid bụ organic acid nke na-arụ ọrụ dị mkpa na ndụ anyị kwa ụbọchị.Yogọt anyị na-aṅụkarị ma ọ bụ ihe ọ bụla nwere glucose nwere ike gbanwee ka ọ bụrụ lactic acid, na lactic acid nke ihe oriri PLA na-abịa site na ọka, nke sitere na ngwa nri nke starch a na-amịpụta na ọka.
Ka ọ dị ugbu a, PLA bụ otu n'ime ihe ndị a na-ejikarị eme ihe na akpa plastik biodegradable, nwere ihe pụrụ iche: PLA bụ otu n'ime ihe ndị na-adịghị egbu egbu, ihe ndị sitere n'okike.
- Kedu ihe ọnụego nbibi PLA dabere?
Usoro nbibi na ogologo oge ya na-adabere n'ụzọ dị ukwuu na gburugburu ebe obibi.Dịka ọmụmaatụ, okpomọkụ, iru mmiri, na ụmụ nje na-eli PLA akpa rọba na-emebi emebi nke ọma n'ime ala nwere ike ịkpata akara ire ere n'ime ọnwa isii.
Na akpa rọba na-emebi emebi PLA na-ewe ogologo oge iji mebie na ụlọ okpomọkụ yana nrụgide.N'ime ụlọ nkịtị, mmebi akpa rọba na-emebi emebi PLA ga-adịru ogologo oge.Ìhè anyanwụ agaghị eme ngwa ngwa biodegradation (ma e wezụga okpomọkụ), na ìhè UV ga-eme ka ihe ahụ ghara ịcha agba ya ma ghọọ cha cha, nke bụ otu mmetụta ahụ dị ka ọtụtụ plastik.
Uru dị na iji PLA biodegradable akpa rọba
N'akụkọ ihe mere eme nke ihe a kpọrọ mmadụ, akpa rọba dị oke mma ma dị mma iji, na-eme ka ndị mmadụ ghara ịdị iche na akpa rọba na ndụ ha kwa ụbọchị.Ihe dị mma nke akpa rọba na-eme ka ndị mmadụ chefuo na ihe mbụ e ji emepụta akpa rọba abụghị ihe a na-atụfu ya, a na-ejikarị ya eme otu ugboro ma tụfuo ya.Ma ọtụtụ ndị amaghị na isi akụrụngwa maka mmepụta nke akpa rọba bụ polyethylene, nke siri ike imebi.A na-eli ọnụ ọgụgụ buru ibu nke akpa rọba a tụfuru n'ime ala, nke ga-eduga na nnukwu ala n'ihi olili nke akpa rọba na ọrụ ogologo oge.Nke a bụ mmetọ ọcha.Mgbe ndị mmadụ na-eji akpa rọba maka akpa rọba na-emebi emebi, a ga-edozi nsogbu a.PLA bụ otu n'ime plastik ndị a na-ahụkarị ma bụrụ polymer nke sitere na lactic acid, nke bụ ngwaahịa na-adịghị emerụ emerụ na nke na-emebi emebi.Mgbe ejiri ya, PLA nwere ike mebie ma mebie ya na carbon dioxide na mmiri na okpomọkụ karịa 55 ° C ma ọ bụ site na omume nke microorganisms bara ụba na oxygen iji nweta usoro ihe onwunwe na okike.Tụnyere d mbụ d nke akpa rọba nkịtị, akpa rọba na-emebi emebi na-achọ naanị ọnwa ole na ole iji mezue mmebi nke oge ahụ.Nke a na-ebelata mmefusị akụ na ụba ala nke ukwuu ma ghara inwe mmetụta na gburugburu ebe obibi.Na mgbakwunye, akpa rọba nkịtị na usoro mmepụta ga-eri mmanụ ọkụ, ebe akpa rọba ga-ebelata ihe fọrọ nke nta ka ọ bụrụ ọkara mmanụ ọkụ karịa ya.Dịka ọmụmaatụ, ọ bụrụ na ejiri akpa rọba na-emebi emebi dochie ngwaahịa plastik niile dị n'ụwa n'ime otu afọ, ọ ga-echekwa ihe fọrọ nke nta ka ọ bụrụ ijeri barel 1.3 mmanụ ọkụ n'ime otu afọ, nke fọrọ nke nta ka ọ bụrụ akụkụ nke oriri mmanụ ọkụ zuru ụwa ọnụ.Ọdịmma nke PLA bụ ọnọdụ mbibi dịtụ njọ.Agbanyeghị, n'ihi ọnụ ahịa PLA dị obere na ihe akpa rọba nwere ike imebi, oriri PLA na-ebute ụzọ.
Oge nzipu: Mar-17-2023