Polylactic acid (H-[OCHCH3CO]n-OH) e na le botsitso bo botle ba mocheso, mocheso oa ho sebetsa ke 170～230℃, 'me o na le khanyetso e ntle ea solvent.E ka sebetsoa ka litsela tse sa tšoaneng, tse kang extrusion, spinning, biaxial stretching , Ente blowing molding.Ntle le ho senyeha ha lintho, lihlahisoa tse entsoeng ka polylactic acid li na le biocompatibility e ntle, gloss, transparency, matsoho a matsoho le ho hanyetsa mocheso.Asiti ea polylactic (PLA) e entsoeng ke Guanghua Weiye e boetse e na le lintho tse itseng tse thibelang likokoana-hloko le tse thibelang lelakabe.Le ho hanyetsa UV, kahoo e na le mefuta e mengata ea tšebeliso.E ka sebelisoa e le thepa ea ho paka, likhoele le li-nonwovens, joalo-joalo E sebelisoa haholo-holo liaparo (liaparo tsa ka hare, liaparo tsa ka ntle), indasteri (kaho, temo, meru, ho etsa pampiri), le masimo a bongaka le bophelo bo botle.
Melemo ea mantlha ea asiti ea polylactic ke tse latelang:
Polylactic acid (PLA) ke mofuta o mocha oa thepa e ka senyehang, e entsoeng ka thepa e tala ea starch e hlahisitsoeng ke mehloli ea limela e nchafalitsoeng (joalo ka poone).Lintho tse tala tsa starch li etsoa saccharified ho fumana glucose, e ntan'o lomosoa ka tsoekere le mefuta e itseng ho hlahisa lactic acid e phahameng, 'me joale e itseng ea boima ba molek'hule ea polylactic acid e etsoa ka motsoako oa 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, 'me qetellong carbon dioxide le metsi li hlahisoa ntle le ho silafatsa tikoloho.Sena se molemo haholo ts'ireletsong ea tikoloho 'me se nkoa e le thepa e se nang botsoalle.Li-plastiki tse tloaelehileng li ntse li phekoloa ka ho chesoa le ho chesoa ha litopo, ho etsa hore likhase tse ngata tsa sethopo li tšolleloe moeeng, ha lipolasetiki tsa polylactic acid li patoa mobung hore li senyehe, 'me carbon dioxide e hlahisoang e kena ka ho toba mobung oa lintho tse phelang kapa e kenngoa. ka limela, 'me e ke ke ea lahleloa moeeng.E ke ke ea baka phello ea sethopo.
Nako ea poso: Jan-06-2021