Mokotla oa sephutheloana o senyehang o bolela ho senyeha, empa mokotla o senyehang oa ho paka o arotsoe ka mefuta e 'meli: e senyehang le e senyehang ka ho feletseng.Mekotla ea liphutheloana e senyehang e bolela ho eketsa palo e itseng ea li-additives (tse kang starch, modified starch kapa cellulose e 'ngoe, photosensitizers, biodegraders, joalo-joalo) e senyeha.Mekotla ea ho paka e senyehang ka ho felletseng e bua ka mekotla ea polasetiki e senyehileng ka ho felletseng ho ba metsi le carbon dioxide.Mohloli o ka sehloohong oa thepa ena e senyehang ka ho feletseng ke ho lokisa poone le cassava hore e be lactic acid, kapa PLA.
Polylactic acid (PLA) ke mofuta o mocha oa bioloji le thepa e ka nchafatsoang ka tlhaho.Ho sebelisa starch e le lisebelisoa tse tala, saccharification ho fumana tsoekere, 'me joale ho belisa tsoekere le mefuta e itseng ho fumana lactic acid e phahameng, ebe o kopanya acid e polylactic ka boima bo itseng ba limolek'hule ka ho kopanya lik'hemik'hale.E na le biodegradability e ntle.Ka mor'a ho sebelisoa, e ka senyeha ka ho feletseng ke likokoana-hloko tsa tlhaho tlas'a maemo a itseng ho hlahisa carbon dioxide le metsi, tse sa silafatsang tikoloho.Ho molemo haholo ho sireletsa tikoloho mme ke thepa e baballang tikoloho bakeng sa basebetsi.
Hajoale, lisebelisoa tse ka sehloohong tse thehiloeng ho bio tsa mokotla o senyehang ka botlalo li entsoe ka PLA + PBAT, e ka senyehang ka ho felletseng ho ba metsi le carbon dioxide ka likhoeli tse 3-6 tlas'a maemo a manyolo (60-70 degrees), ntle le ho silafatsa tikoloho.Hobaneng u eketsa PBAT, moetsi ea hloahloa oa liphutheloana tse feto-fetohang, tlhaloso e latelang ke hore PBAT adipic acid, 1,4-butanediol, terephthalic acid copolymer, e ngata haholo ke biodegradable synthetic synthetic aliphatic le polymer e nkhang hamonate Taiwan, PBAT e na le phetoho e ntle haholo, e ka etsoang. filimi extrusion, foka sebetsa, barbotage le tse ling tse tshebetso.Sepheo sa ho kopanya PLA le PBAT ke ho ntlafatsa ho tiea, ho senyeha ha bophelo le ho bōptjoa ha PLA.PLA le PBAT ha li tsamaisane, kahoo ho khetha kompatibilizer e loketseng ho ka ntlafatsa haholo ts'ebetso ea PLA.
Nako ea poso: Jun-30-2022