Cellulose ke motsoako o fumanehang hohle tlhahong, o bapala karolo ea bohlokoa sebopehong le ts'ebetsong ea lintho tse phelang tse fapaneng le litsamaiso tsa tikoloho. Litšobotsi tsa eona tse ikhethang le ho tenyetseha ha tsona li lebisitse lits'ebetsong tse fapaneng ho pholletsa le liindasteri, e leng se etsang hore e be e 'ngoe ea li-biopolymer tsa bohlokoa ka ho fetisisa.
1. Mehloli ea Cellulose:
Cellulose e nkuwa haholo-holo maboteng a sele ea limela, e sebetsang e le karolo ea sebopeho ka mokhoa oa microfibrils. E fumanoa maboteng a sele a lisele tse fapaneng tsa limela, ho kenyeletsoa le lehong, k'hothone, hemp, flax, jute le tse ling tse ngata. Mehloli ena e fapana ka bongata ba cellulose le tlhophiso ea sebopeho, e susumetsa ho tšoaneleha ha eona bakeng sa lits'ebetso tse fapaneng.
Patsi: Patsi ke e 'ngoe ea mehloli e mengata ea cellulose, ka lifate tse kang phaene, oak le spruce tse nang le bongata bo boholo ba biopolymer ena. E sebetsa e le karolo ea mantlha ea sebopeho maboteng a sele a lisele tse kang patsi, e fana ka matla le ho tiea ho semela.
K'hothone: Likhoele tsa k'hothone li entsoe hoo e ka bang ka botlalo ka cellulose, e leng se etsang hore e be thepa ea bohlokoa bakeng sa tlhahiso ea masela. Likhoele tse telele, tse nang le likhoele tsa cellulose li tlatsetsa matla, ho monya le ho hema ha masela a k'hothone, e leng se etsang hore a be a loketseng liaparo le masela a lapeng.
Hemp le Folaxe: Likhoele tsa hemp le folaxe le tsona ke mehloli e mengata ea cellulose 'me li' nile tsa sebelisoa nalaneng bakeng sa tlhahiso ea masela. Likhoele tsena tsa tlhaho li fana ka ho tšoarella, thepa ea ho tlosa mongobo le botsitso ba tikoloho, e leng se etsang hore li ratoe haholo masela a sireletsang tikoloho.
Lisebelisoa tse Ling tsa Limela: Ntle le mehloli e boletsoeng ka holimo, cellulose e ka ntšoa linthong tse ling tse fapaneng tsa limela tse kang lehlaka, masala a 'moba, stover ea poone le masala a temo. Mehloli ena e meng e kenya letsoho tlhahisong e tsitsitseng ea lihlahisoa tse thehiloeng ho cellulose ha ka nako e ts'oanang e fokotsa ho itšetleha ka cellulose ea setso e tsoang lehong.
2. Thepa ea Cellulose:
Cellulose e na le litšobotsi tse 'maloa tse ikhethang tse tlatsetsang lits'ebetsong tsa eona tse pharaletseng:
Ho bola ha lisele: Cellulose e bola ha lisele, ho bolelang hore e ka aroloa ke likokoana-hloko hore e be metsoako e bonolo joalo ka carbon dioxide le metsi. Thepa ena e etsa hore thepa e thehiloeng ho cellulose e be mosa tikolohong, haholo-holo lits'ebetsong moo ho lahla le ho laola litšila ho amehang.
Ho rata metsi: Cellulose e na le kamano e phahameng le limolek'hule tsa metsi ka lebaka la boteng ba lihlopha tsa hydroxyl sebopehong sa eona sa limolek'hule. Tlhaho ena ea ho rata metsi e nolofalletsa thepa e thehiloeng ho cellulose ho monya le ho boloka metsi, e leng se etsang hore e lokele lits'ebetso tse kang ho etsa pampiri, ho roala maqeba le lihlahisoa tsa bohloeki.
Matla a Mekaniki: Likhoele tsa cellulose li na le matla a makatsang a mekaniki, li fana ka ho tšoarella le ho mamella thepa e entsoeng ka tsona. Thepa ena e bohlokoa haholo lits'ebetsong tse hlokang botsitso ba sebopeho, joalo ka masela, metsoako le lihlahisoa tsa pampiri.
E ka Nchafatsoa le ho Tšoarella: Jwalo ka biopolymer ya tlhaho e tswang mehloding ya dimela, cellulose e ka ntjhafatswa mme e ka tshwarella. Tlhahiso ya yona ha e itshetlehe mehloding ya mafura a fokolang mme e ka kenya letsoho ho amohuweng ha khabone ha e nkuwa merung e laolwang ka boikarabelo le mekgweng ya temo.
3. Litšebeliso tse fapaneng tsa Cellulose:
Cellulose e sebelisoa haholo indastering e fapaneng, ka lebaka la thepa ea eona e ikhethang le ho tenyetseha ha eona:
Pampiri le Sephutheloana: Mohlomong ts'ebeliso e tsebahalang haholo ea cellulose ke tlhahisong ea pampiri le khateboto. Likhoele tsa cellulose ke thepa ea mantlha e tala e sebelisoang ho etseng pampiri, e fanang ka moralo oa sebopeho le litšobotsi tsa bokaholimo tse hlokahalang bakeng sa ho ngola, ho hatisa le ho paka. Ho feta moo, thepa ea ho paka e thehiloeng ho cellulose e fana ka mekhoa e meng e mosa ho tikoloho ho feta ho paka polasetiki ea setso, e tlatsetsang boitekong ba ho boloka lintho li le maemong a matle.
Masela le Liaparo: Likhoele tsa cellulose tse tsoang k'hothoneng, hemp, folaxe le mehloli e meng ea limela li ohloa hore e be likhoele 'me li lohuoa kapa li lohuoa hore e be masela bakeng sa liaparo, masela a lapeng le lits'ebetso tsa indasteri. K'hothone, haholo-holo, ke khoele e thehiloeng ho cellulose e sebelisoang haholo indastering ea masela ka lebaka la bonolo ba eona, ho hema habonolo le ho tenyetseha. Mekhoa e mecha ea ho sebetsana le lintho e boetse e lebisitse nts'etsopele ea likhoele tse thehiloeng ho cellulose tse kang lyocell le modal, tse fanang ka thepa e ntlafalitsoeng le melemo ea tikoloho.
Lisebelisoa tsa Biomedical: Lisebelisoa tse thehiloeng ho cellulose li na le lits'ebetso lefapheng la biomedical, ho kenyeletsoa le masela a maqeba, li-scaffold tsa boenjiniere ba lisele, litsamaiso tsa ho fana ka meriana, le li-implant tsa bongaka. Ho lumellana ha lisele le ho bola ha tsona ho etsa hore e lokele lits'ebetso tse joalo, moo likamano le litsamaiso tsa baeloji li leng bohlokoa bakeng sa ts'ebetso le polokeho.
Liindasteri tsa Lijo le Meriana: Lintho tse tsoang ho cellulose tse kang li-ether tsa cellulose (mohlala, methylcellulose, carboxymethylcellulose) le li-ester tsa cellulose (mohlala, cellulose acetate, cellulose nitrate) li sebelisoa e le li-thickeners, stabilizers, emulsifiers, le li-agent tse etsang filimi lijong le meriana. Lisebelisoa tsena tse thehiloeng ho cellulose li ntlafatsa sebopeho, botsitso ba shelefong, le ho latsoeha ha lihlahisoa tsa lijo ha li ntse li netefatsa katleho ea ho fana ka meriana le ho tšoana ha tekanyo mefuteng ea meriana.
Matla a Nchafatsoang le Li-biofuel: Biomass e ruileng ka cellulose e sebetsa e le phepelo bakeng sa tlhahiso ea matla a nchafatsoang le li-biofuel ka lits'ebetso tse kang biomass gasification, fermentation, le enzyme hydrolysis. Ethanol ea cellulosic, e nkiloeng ho senyeha ha cellulose, e fana ka mokhoa o tsitsitseng oa ho sebelisa mafura a mesaletsa ea lintho tsa khale 'me e thusa ho fokotsa ho ntšoa ha likhase tse futhumatsang lefatše.
Lisebelisoa tse Kopantsoeng: Likhoele tsa cellulose li kenyelletsoa linthong tse kopantsoeng ho ntlafatsa litšobotsi tsa mechini tse kang matla, ho tiea le ho hanyetsa tšusumetso. Lisebelisoa tsena tse thehiloeng ho cellulose li fumana ts'ebeliso likarolong tsa likoloi, thepa ea kaho, thepa ea ka tlung le thepa ea lipapali, li fana ka mekhoa e meng e bobebe le e mosa ho tikoloho ho feta thepa ea setso.
Cellulose, e le biopolymer ea tlhaho e fumanehang maboteng a sele ea limela, e na le thepa e ikhethang le lits'ebetso tse fapaneng ho pholletsa le liindasteri. Ho tloha ho etseng pampiri le masela ho ea ho thepa ea bongaka le matla a nchafatsoang, cellulose e kenya letsoho nts'etsopele e tsitsitseng le boqapi masimong a fapaneng. Lipatlisiso tse tsoelang pele le tsoelo-pele ea theknoloji ts'ebetsong le ts'ebelisong ea cellulose li na le tšepiso ea ho atolosa lits'ebetso tsa eona le ho sebetsana le liphephetso tsa lefats'e tse amanang le paballo ea lisebelisoa le botsitso ba tikoloho. Ha sechaba se ntse se tsoela pele ho beha pele botsitso le tlhokomelo ea tikoloho, lisebelisoa tse thehiloeng ho cellulose li ikemiselitse ho bapala karolo ea bohlokoa ho theheng bokamoso bo botala le bo tsitsitseng haholoanyane.
Nako ea poso: Hlakubele-06-2024