Ethe ea bo-'mè e khahlehang ea metsoako e nkiloeng ke cellloulo, e 'ngoe ea li-polymers tse ngata ka ho fetisisa tsa polymers tse ngata lefatšeng. Lisebelisoa tsena tse feto-fetohang li fumana lisebelisoa ka indasteri e seng li fapane, lijo, litlolo, ka lebaka la thepa ea tsona e ikhethang.
1. Tsamaiso le thepa ea cellulose:
Cellloulose ke polysacchariride e nang le liketane tse telele tsa likarolo tsa glucose tse amanang le Β (1 → 4) maqhama a glycsidic. Ho pheta-pheta marang-rang a Glucose ho fana ka celloulose ka sebopeho se nang le mela le se thata. Tokisetso ena ea sebopeho e tlisa ho tlala ea hydrogen e matla pakeng tsa liketane tse haufi, e kenya letsoho thepa ea mechini e metle ea selefounu.
Lihlopha tsa hydroyl (-oh) li le teng kamelong ea cellu ka e etsa hore e be hydrophilic, e e lumelle ho monya metsi a mangata. Leha ho le joalo, cellulose e bonts'a solubility ka li-solvents tse ngata ka lebaka la marang-rang a eona a holisoa marang-rang.
2. Selelekela ho li-ethen tsa cellulose:
Ethe e 'nete e' ngoe ea selefounu eo lihlopha tse ling tsa li-hydroyl li jeoang ke lihlopha tsa ether (-r), moo li emelang libaka tse fapaneng tsa manyolo. Liphetoho tsena li fetola thepa ea selefoume, e e etsa e sa qhibiliha ka metsing le li-solvent tse ling tsa sebopeho sa eona sa tlhaho, joalo ka linoko tsa biodegram le chefo.
3. Synthesis ea bo-'mè ba cellulose:
Syntheris of cellu Bo-bo-Clyulose e kenyelletsa semelo sa lihlopha tsa hydroyl tse nang le litlatsetso tse fapaneng tlasa maemo a laoloang. Readency e tloaelehileng e sebelisitsoeng ho li-etherration e kenyeletsa Alkyl Half, Alkyn Oxides. Maemo a boele a kang mocheso, solvent, le li-catalyvents li bapala karolo ea bohlokoa ho tsejoeng ka tekanyo ea sebaka (ds) le thepa ea selefounu e nang le.
4. Mefuta ea bo-'ma-'mè:
E-ba 'nete e se ekare e thehiloe ho mofuta oa mofuta oa li-night tsa ntshints. Tse ling tsa tse ling tse sebelisoang ka ho fetisisa tsa selefounu li kenyeletsa:
Methyl cerelosese (MC)
HydroxypropyLel conlulose (HPC)
Hydroxeeyl celloulose (Hec)
Ethyl hydroxeeyl cellulouse (Ehec)
CrisboxeMethyl cellulose (cmc)
Mofuta o mong le o mong oa cellulo oa cellulose o bonts'a thepa e ikhethang mme o loketse lits'ebetso tse khethehileng ho latela sebopeho sa eona sa lik'hemik'hale.
5. Mekhoa le likopo tsa li-ethen tsa cellulose:
Celluloulo Bo-'-bo-mme ba fana ka mefuta e mengata ea thepa e molemo e ba etsang hore ba tsebe ho ba indastering e fapaneng.
Matlafatso le Matlafatso: Bo-'ma-bo-'-bo-'-bo-'mè ba selefounu ba sebelisoa haholo joalo ka li-thickener ebile ba tsitsipana lijong, meriana le lihlahisoa tsa tlhokomelo ea botho. Ba ntlafatsa thepa ea liketsahalo le esino ea litsi tsa tharollo, e leng emumuls, ho ntlafatsa botsitso le bokhabane ba sehlahisoa.
Sebopeho sa lifilimi: Celpelose e-ba-e-'mè e ka theha lifilimi tse feto-fetohang le tse hlakileng ha li hasoa ka metsing kapa li-solven. Lifilimi tsena li fumana likopo tsa bosholu, ho paka le lits'ebetso tsa lipalesa tsa lithethefatsi.
Ho Boloka Metsi: Fydrophilic Tšusumetso ea EMS ea Clyulose EMPS e e thusa ho monya thepa ea bohlokoa ka har'a lisebelisoa tsa kaho tse kang samente. Ba ntlafatsa ho ntlafatsa, ho tšoarella le ho tšoarella ha lisebelisoa tsena.
Ho nehelano ea lithethefatsi: Hangata ba sebetsa matlapeng, li-capsules, li-olanete le ho thibela.
Phekotso ea Bohareng: Ethey ea Celluulose e ka fetoloa ka lik'hemik'hale ho kenyelletsa thepa e sebetsang joalo ka ts'ebetso ea likokoana-hloko tse kang ts'ebetso ea bosholu ba likokoana-hloko kapa biocondomatic. Ethe e fetotsoeng ea celleng e fetotsoeng ea celtilose e fumana lits'ebetso lipuisanong tse ikhethang, masela le lisebelisoa tsa biomedical.
6. Tšusumetso ea tikoloho le ho tsitsipanya:
Ethe e-ba-etheme e tsoaloa ka lisebelisoa tsa celloulo e fetisoa joalo ka pulp ea lehong, k'hothone kapa likhoele tse ling tsa limela, e li etsa hore li be matla haholo. Ho feta moo, li na le li-bidegradadad li biofodadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadadad. Leha ho le joalo, semelo sa e-ba-e-conoulose e-confouble e ka ama maikutlo a lik'hemik'hale tse hlokang taolo ea lik'hemik'hale tse hlokang taolo ea lik'hemik'hale ho fokotsa litšila le matla a matla.
7. Ka tjantjello ea nako e tlang:
Tlhokahalo ea li-ECAN tsa celluulose e lebelletsoe ho tsoela pele ho hola ka lebaka la thepa ea bona e fapaneng le tlhaho ea tikoloho. Boiteko bo sa feleng ba lipatlisiso bo ikemiselitse ho theha ethe ea Novel Cepment Canversen e nang le Ts'ebetso e ntlafalitsoeng, Ts'ebetso e ntlafalitsoeng ea Likopo Tse Ikhethileng. Ho feta moo, kokelo ea bootsoa ba 'cellulose ea hlahang theknoloji e kang 3D khatisong ea 3D, thepa ea li-biomedical le' maraka o fihlelang.
E-'ethe e' nete e emelang sehlopha sa bohlokoa sa metsoako e fapaneng le likopo tse fapaneng ho indasteri e mengata e mengata. Ho kopanya ha bona ka mokhoa o ikhethileng oa thepa, biodegraph, le ho tsitsilla ho ba etsa metsoako ea bohlokoa lihlahisoa le lits'ebetsong tse fapaneng. Ho tsoela pele ho kenngoa bocha ka har'a k'hemistri ea 'mele ea CALL CLLLOD LE Theknoloji e ikemiselitse ho khanna tsoelo-pele' me u notlolla menyetla e mecha lilemong tse ncha lilemong tse tlang.
Nako ea poso: April 18-2024