Polylactic acid (PLA) ke mofuta o mocha oa lintho tse ka bolang le tse ka nchafatsoang, tse entsoeng ka thepa e tala ea starch e hlahisitsoeng ke mehloli ea limela e ka nchafatsoang (joalo ka poone, cassava, joalo-joalo).Lintho tse tala tsa starch li saccharified ho fumana tsoekere, ebe li lomosoa ho tsoa ho tsoekere le mefuta e itseng ho hlahisa lactic acid e phahameng, ebe mokhoa oa ho kopanya lik'hemik'hale o sebelisoa ho kopanya asiti ea polylactic ka boima bo itseng ba molek'hule.E na le biodegradability e ntle, 'me e ka senyeha ka ho feletseng ke likokoana-hloko tsa tlhaho tlas'a maemo a itseng ka mor'a ho sebelisoa, qetellong e hlahisa carbon dioxide le metsi, ntle le ho silafatsa tikoloho, e leng molemo haholo bakeng sa ho sireletsa tikoloho' me e nkoa e le boitsebiso bo sa sireletsehang tikolohong.
Polylactic acid e na le botsitso bo botle ba mocheso, mocheso oa ho sebetsa ke 170 ~ 230 ℃, 'me e na le khanyetso e ntle ea solvent.E ka sebetsoa ka mekhoa e fapaneng, joalo ka extrusion, spinning, biaxial stretching, le ente blow molding.Ntle le ho senyeha ha lintho, lihlahisoa tse entsoeng ka polylactic acid li na le biocompatibility e ntle, gloss, ponaletso, maikutlo a matsoho le ho hanyetsa mocheso, hammoho le ho hanyetsa libaktheria tse itseng, ho thibela lelakabe le ho hanyetsa UV, kahoo li molemo haholo.E sebelisoa haholo joalo ka thepa ea ho paka, likhoele le li-nonwovens, joalo-joalo, tse sebelisoang haholo liphahlong (liaparo tsa ka hare, liaparo tsa ka ntle), indasteri (kaho, temo, meru, ho etsa pampiri) le masimong a bongaka le a bophelo bo botle.
Nako ea poso: Sep-19-2022