Celluloselese ke polysaccharide e rarahaneng e entsoeng ka likarolo tse ngata tsa glucose tse amanang le maqhubu a β-1,4-glycosidic. Ke karolo ea mantlha ea mabota a lijalo le ho fa Ce Cel Ce Cel Cel Ka lebaka la ketane e telele ea cellular e telele le kriniki e phahameng, e na le botsitso bo matla le ho se pherekano.
(1) thepa ea cellulose le mathata a ho qhalana
Cellulose e na le thepa e latelang e etsang hore ho be thata ho qhala:
Crystallity High Chains, liketane tsa lifofane tsa cellule li etsa sebopeho se thata le sebopeho sa hydrogen le Van Der Waals.
Tekanyo e phahameng ea polymerication: tekanyo ea polymerication (e leng bolelele ba chankana ea moleko)
Marang-rang a hydrogen le marang-rang a hydrogen
(2) rea its'oara tse qhibilihang cellulose
Hajoale, li-regants tse tsebahalang tse ka hlahang cellulose haholo tse kenyeletsang mekhahlelo e latelang:
1. Li-nids tsa iioc
Li-tala tsa ionic ke lino tse nang le lilimati tsa manyolo le li-anion tsa manyolo kapa li-antical tse bonolo, hangata li tsitsipalla le ho tsitsipana le ho tsitsipana le maemo a phahameng. Mefuta e meng ea Ionic e ka qhibiliha kukulose, 'me mochine o ka sehloohong ke ho roba makala a hydrogen pakeng tsa li-slulolar tsa lisele tsa mohala. Hangata lino tse tloaelehileng tse qhibilihang cellulose li kenyelletsa:
1-KhimLimail Chride ([BMIM] CL) CLE CLELULO Summelose ka ho sebelisana le lisele tsa hydrogen
1-Ethyl-3-Methylidazlium Acetate (Emim] [Ac]): Mokelikeli ona o ka qhibiliha likotsi tse tlase tsa selefounu.
2. Tharollo ea Oxida.
Tharollo eamisi oxidatant e joalo ka tharollo e kopaneng ea shoathylamine (doa)-mokhoa oa copper o ka qhibilihang celsulose. E senya karolo ea kristale ea cellulo ea cellulo ka oxidation
3. Lithium chloride-dimethylacetamide (liphl-dmac) system)
Licl-DMAC (lithium cloride-dimethylacetamide) ke e 'ngoe ea mekhoa ea khale ea ho qhibiliha ho qhibiliha celdoulo. Lict e ka theha tlholisano ea litlamo tsa haedrogen, ka tsela e ka senya marang-rang a limolek'hule tsa hydrogen pakeng tsa li-solvent tsa celleng.
4. Tharollo ea acid ea acid ea acid / zinc changide
Tharollo ea hydrochloric acide / Zinc chang e fumanoang qalong e ka qhibilihang cellulose. E ka qhibiliha kuku ka ho theha phello ea ho ngolisoa lipakeng tsa li-sorrolor tsa limoletsi tsa Zinc chlonrour lesiti. Leha ho le joalo, tharollo ena e ne e tsamaisa lisebelisoa haholo lintho tse ngata 'me e na le meeli likolong tse sebetsang.
5. Li-enzyme tsa fibrinolytic
Li-enzymetic tsa fibrinolytic (joalo ka li-callullose) li hlakola cellulose ka catalyzing ho bolaeloa semeleng sa cellusaccharide le monosaccharides. Mokhoa ona o na le likopo tse fapaneng tsa lits'ebetso tsa li-bidegradadadadadadadadadadadadadadadadadadadada -na, le ha ts'ebetso ea eona ea ho felisoa ka lik'hemik'hale ha e fihlellehe ka lik'hemik'hale.
(3) mochine oa ho felisoa ha cellulose
Liphetoho tse fapaneng li na le mechini e fapaneng bakeng sa ho qhibiliha ho qhibiliha ho qhibiliha, empa ka kakaretso ba ka hlahisoa ke mechini e ka sehloohong.
Tšenyo ea litlamo tsa Hydrogen: Ho senya maqhama pakeng tsa li-hydrogen tsa hydrogen kapa lits'oants'o tsa ionic, li e etsang.
Khokahano ea Molecular Chain: Ho eketsa bonolo ba liketane tsa lisele tsa mosolase le ho fokotsa likhalase tsa li-molek'ular li-crystallinity tsa molek'hale ka li-solven.
(4) Likopo tse sebetsang tsa ho felisoa ha kuulose
Ho felisoa ha molulelo ho na le likopo tsa bohlokoa masimong a mangata:
Ho hlophisoa ha lihlahisoa tsa cellulose: Kamora ho qhibiliha ho qhibiliha ka lik'hemik'hale, e ka fetoloa hangata ho lokisa li-cellulose, tse sebelisoang haholo lijong, meriana le masimo a mang.
Lisebelisoa tse thehiloeng cellulose Lisebelisoa tsena li na le thepa e ntle le ho ikoetlisa.
Liphoso tsa Boomass: Ka Clllulose e sa Qetong le e litšila
Ho felisoa ha kubulase ke mokhoa o rarahaneng o kenyelletsang mefuta e mengata ea lik'hemik'hale le 'mele. Mefuta ea Ionic, Tharollo ea Amino Oxidant, li-hydrocloric acide tsa acid / zin chlolys Moemeli ka mong o na le moferefere o ikhethang oa ho khesa le mosebetsi o ikhethang oa ho lahla le ho etsa kopo. Ka ho ithuta ka botebo ba mokhoa oa ho felisoa hoa kutu, ho lokela ho holoa hore mekhoa e metle haholoanyane e tla ntlafatsoa, e tla ntlafatsoa bakeng sa boikarabello le nts'etsopele ea selefoume.
Nako ea poso: Jul-09-2024