Ka ọha mmadụ na-etolite, ọchịchọ maka ngwaahịa plastik na People's Daily Life na-amụba, dịka akpa plastik, tray plastik, igbe nri ehihie plastik na ihe ndị ọzọ. Ka ọ dị ugbu a, mmụba nke ụlọ ọrụ nnyefe nri emeela ka ọchịchọ maka ngwaahịa plastik dịkwuo elu. Ọchịchọ a na-emetụtakwa gburugburu ebe obibi anyị nke ukwuu, n'ihi na ngwaahịa plastik na-emerụ gburugburu ebe obibi nke ukwuu.
N'agbanyeghị nsogbu gburugburu ebe obibi siri ike, ịchọ ihe ndị ọzọ ga-agbanwe agbanwe karịa plastik aghọọla ihe a na-ahụkarị n'ụwa niile. Mgbe nyocha na mmezi na-aga n'ihu gasịrị, ngwaahịa PLA agbadala nwayọọ nwayọọ n'ọkwa akụkọ ihe mere eme. Ngwaahịa PLA nwere ọrụ nke mbibi, nke enwere ike imebi kpamkpam n'ime ụbọchị 90 na okpomọkụ na gburugburu ebe obibi kwesịrị ekwesị. N'otu oge ahụ, ọ nwekwara ndụ ọrụ ogologo oge, echekwara nke ọma, enwere ike ịchekwa tray PLA na akpa PLA na ngwaahịa ndị ọzọ ruo ihe karịrị otu afọ.
Ihe PLA ọhụrụ dị mma maka gburugburu ebe obibi Trays na akpa ndị nwere ike ire ere maka ịkwakọ nri anụ mkpụrụ osisi
Poly (lactic acid) nwere ezigbo nkwụsi ike okpomọkụ, okpomọkụ nhazi 170 ~ 230℃, ezigbo iguzogide ihe mgbaze, enwere ike ịhazi ya n'ọtụtụ ụzọ dị iche iche, dịka mmịpụta, ntụgharị, ịgbatị biaxial, ịkpụzi ihe ntụtụ. Na mgbakwunye na ịbụ ihe na-emebi emebi, ngwaahịa polylactic acid nwere ezigbo ndakọrịta bio, na-egbuke egbuke, nghọta, mmetụta aka na iguzogide okpomọkụ.
Polylactic acid (PLA) bụ ihe ọhụrụ a na-ere ere nke e ji starch mee, nke sitere na ihe ọkụkụ ndị a na-emegharị emegharị dịka ọka. A na-enweta glucose site na starch site na saccharification, e mesịa, a na-agbaze lactic acid nke nwere ịdị ọcha dị elu site na glucose na ụdị ụfọdụ, wee mepụta polylactic acid nke nwere oke molekul ụfọdụ site na njikọta kemịkalụ. O nwere ezigbo mmebi ndụ, enwere ike imebi ya kpamkpam site na obere nje dị iche iche n'okike mgbe ejiri ya, ma mechaa mepụta carbon dioxide na mmiri. Ọ naghị emerụ gburugburu ebe obibi, nke bara uru nke ukwuu maka nchekwa gburugburu ebe obibi, a makwaara ya dị ka ihe na-adịghị emebi gburugburu ebe obibi. Usoro ọgwụgwọ plastik a na-ejikarị eme ihe ka na-agba ọkụ, na-eme ka ọtụtụ gas griinhaus a na-awụpụ n'ikuku, ebe a na-eli plastik POLylactic acid n'ime mmebi ala, carbon dioxide ozugbo n'ime ala ihe organic ma ọ bụ osisi na-amịkọrọ, agaghị agbapụ ya n'ikuku, agaghị akpata mmetụta griinhaus.
Poly (lactic acid) nwere uru pụrụ iche n'ihe gbasara ngwa ndị a na-atụfu, ihe ndị e ji echekwa nri na ngwaahịa ndị ọzọ a na-atụfu n'ihi na ọ dịghị emerụ ahụ mmadụ ahụ ma ọlị. Ọ nwere ike ire ere kpamkpam ma mezuo ihe dị elu nke ụwa chọrọ, ọkachasị European Union, United States na Japan maka nchekwa gburugburu ebe obibi. Na mgbakwunye, mgbe mmepe teknụzụ gasịrị, agbanweela ahịa ahụ site na ihe PLA, nke nwere ike imeri adịghị ike nke ihe mbụ ahụ nke ọma, yana ụfọdụ ọbụna okpomọkụ na-eguzogide okpomọkụ ruo 120℃, enwere ike iji ya dị ka ihe eji esi nri na oven microwave.
Agbanyeghị, n'ihe gbasara ahịa ugbu a, ike mkpuchi okpomọkụ na ịdị ọhụrụ nke ngwaahịa PLA enweghị atụ na ngwaahịa ndị ọzọ nwere ike ire ere, mana ọnụ ahịa ngwaahịa PLA dị elu karịa ngwaahịa ndị ọzọ nwere ike ire ere. Ọtụtụ mmadụ na-ahọrọ bagasse dị ka ngwaahịa nwere ike ire ere, mana bagasse na-amịkọrọ mmanụ, na-amịkọrọ mmiri, ma na-emetụta ngwaahịa e ji akpakọ. Pallet bagasse nwekwara ike ibu ebu ma ọ bụrụ na ha akpọghị nkụ nke ọma.
Oge ozi: Jenụwarị-12-2022