Tee e kentsoeng ka mokotleng e tsoetse pele ka potlako ka lebaka la melemo ea eona ea "bongata, bohloeki, boiketlo le lebelo", mme 'maraka oa lefats'e o nang le mekotla o bonts'a kholo e potlakileng.
E le thepa ea ho paka bakeng sa mekotla ea tee,pampiri ea filthara ea teeha ea lokela ho netefatsa feela hore metsoako e sebetsang ea tee e ka potlakela ho ata ka sopho ea tee nakong ea ho noa, empa hape e thibela phofo ea tee ka mokotleng ho kena ka har'a sopho ea tee. Kamora lilemo tsa nts'etsopele, thepa ea pampiri ea tee e fetohile butle-butle ho tloha gauze, pampiri ea sefa, nylon, PET, PVC, PP le lisebelisoa tse ling ho ba fiber ea poone.
Fiber ea poone, eo hape e tsejoang e le polylactic acid (PLA) fiber, e tsoa mehloling ea limela e ka nchafatsoang joalo ka poone, litapole le joang ba lijalo. E na le biocompatibility e ntle le biodegradability, thepa ea antibacterial, le phefumoloho. E ke ke ea sebelisoa feela ho etsa mekotla ea tee e sa lohiloeng ka biodegradable, empa hape e sebelisoa tšimong ea ho etsa pampiri e metsi ho hlahisa pampiri ea ho paka lijo joalo ka mekotla ea tee, mekotla ea kofi lesefa pampiri.
Kahoo, ho lebisa tlhokomelo litšobotsing tsa ts'ebetso ea thepa ka boeona, melemo e ka sehloohong ea ho sebelisa fiber ea PLA ka ho etsa pampiri e metsi ke efe?
1. Thepa ke ea tlhaho 'me e ka kopana le lijo
Thepa e tala ea polylactic acid fiber e tsoa mehloling ea limela e nchafalitsoeng. Joalo ka thepa e netefalitsoeng ea polokeho ea lijo, fiber ea polylactic acid e ka sebelisoa haholo mefuteng e fapaneng ea lijo, meriana, le lits'ebetso tse ling tsa pampiri tsa lapeng tse batloang haholo. Ho nka tšebeliso ea mekotla ea tee le pampiri ea filthara ea kofi e le mohlala, ho li beha ka kotloloho metsing a chesang ntle le pula ea polasetiki kapa lintho tse ling tse kotsi ho na le botsoalle ho 'mele oa motho.
2. Biodegradability
Ho nka mohlala oa tšebeliso ea mekotla ea tee, palo e kholo ea mekotla ea tee e lahloang e jeoa lefatšeng ka bophara letsatsi le letsatsi. Mekotla ea tee e entsoeng ka thepa ea setso e na le potoloho e telele haholo ea ho senyeha, e tla tlisa khatello e kholo tikolohong ea tlhaho. Leha ho le joalo, mekotla ea tee kapa lihlahisoa tse ling tse entsoeng ka thepa ea polylactic acid li na le biodegradability e ntle haholo.
Lihlahisoa tsa lesela tsa polylactic acid tse sa lohiloeng li ka senyeha ka ho feletseng hore e be carbon dioxide le metsi ke likokoana-hloko tse phelang libakeng tsa tlhaho tse nang le mocheso o itseng le mongobo, joalo ka lehlabathe, silt le metsi a leoatle. Polylactic acid sehlahiswa litšila ka ho feletseng decomposed ka carbon dioxide e le metsi tlas'a maemo a indasteri manyolo ka litlama (mocheso 58 ℃, mongobo 98%, le maemo microbial) bakeng sa 3-6 likhoeli; Ho tlatsa mobu libakeng tse tloaelehileng ho ka boela ha finyella ho senyeha nakong ea lilemo tse 3-5.
3. E ka kopanngoa le makhasi a lehong kapa likhoele tse ling tsa tlhaho bakeng sa tšebeliso
Hangata likhoele tsa asiti ea polylactic li tsoakoa ka tekanyo e itseng le likhoele tsa makhasi a lehong, li-nanofiber, joalo-joalo ho etsa makhasi le pampiri. Polylactic acid haholo-holo e phetha karolo ea ho kopanya le ho matlafatsa, ka ho hokahanya likhoele tse ling ka mocheso le mocheso ho finyella morero oa ho theha le ho matlafatsa. Ho phaella moo, ka ho fetola tekanyo ea slurry le mokhoa oa ho sebetsa, e ka finyella litlhoko tse fapaneng tsa maemo a fapaneng.
4. Ultrasonic thermal bonding e ka finyelloa
Ka ho sebelisa li-polylactic acid fibers ho etsa makhasi le pampiri, ultrasonic thermal bonding e ka finyelloa ka tlhahiso e latelang, e sa bolokeng mosebetsi feela le ho fokotsa litšenyehelo, empa hape e ntlafatsa katleho ea tlhahiso.
5. Tshebetso ea ho sefa
Pampiri ea filthara ea tee e entsoeng ka fiber ea polylactic acid e na le ts'ebetso e ntle ea ho sefa le matla a phahameng a metsi, a ka bolokang makhasi a tee le likaroloana tse ling tse tiileng, ha a ntse a lumella tatso le monko oa tee ho kenella ka botlalo.
Ntle le pampiri ea filthara ea tee, fiber ea polylactic acid e ka sebelisoa hape ho pampiri ea setso ea China e pakang pampiri, pampiri ea sefa ea kofi le pampiri e 'ngoe ea ho paka lijo.
Nako ea poso: Jun-04-2025