Sodium carboxymethyl cellulose (CMC)ke carboxymethylated derivative of cellulose, eo hape e tsejoang e le cellulose gum, 'me ke lerenene la ionic cellulose ea bohlokoa ka ho fetisisa. CMC hangata ke motsoako oa anionic polymer o fumanoang ka ho arabela cellulose ea tlhaho ka caustic alkali le monochloroacetic acid. Boima ba limolek'hule tsa motsoako ona bo tloha ho limilione tse mashome ho ea ho limilione tse 'maloa.
【Properties】 Phofo e tšoeu, ha e na monko, e qhibiliha ka metsing ho etsa tharollo e phahameng ea viscosity, e ke keng ea qhibiliha ka har'a ethanol le metsoako e meng.
【Kopo】 E na le mesebetsi ea ho fanyeha le emulsification, momahano e ntle le ho hanyetsa letsoai, 'me e tsejoa e le "industrial monosodium glutamate", e sebelisoang haholo.
Tokisetso ea CMC
Ho latela mokhoa o fapaneng oa etherification, tlhahiso ea indasteri ea CMC e ka aroloa ka mekhahlelo e 'meli: mokhoa o thehiloeng metsing le mokhoa o thehiloeng ho solvent. Mokhoa oa ho sebelisa metsi e le mokhoa oa ho arabela o bitsoa mokhoa o tsamaisoang ke metsi, o sebelisetsoang ho hlahisa alkaline mahareng le boemo bo tlaase ba CMC; mokhoa oa ho sebelisa solvent ea manyolo e le mokhoa oa ho arabela o bitsoa mokhoa oa ho qhibiliha, o loketseng tlhahiso ea CMC e mahareng le e phahameng. Boitšoaro bona ka bobeli bo etsoa ka kneader, eo e leng ea ts'ebetso ea ho luba 'me ke mokhoa o ka sehloohong oa ho hlahisa CMC hajoale.
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mokhoa o thehiloeng metsing
Mokhoa o tsamaisoang ke metsi ke ts'ebetso ea pele ea tlhahiso ea indasteri, e leng ho arabela selulose ea alkali le moemeli oa etherifying boemong ba alkali ea mahala le metsi. Nakong ea ts'ebetso ea alkalization le etherification, ha ho na mokhoa oa manyolo tsamaisong. Litlhoko tsa lisebelisoa tsa mokhoa o tsamaisoang ke metsi li batla li le bonolo, ka lichelete tse fokolang le litšenyehelo tse tlaase. Bothata ke hore ho na le khaello ea palo e kholo ea mokelikeli, 'me mocheso o hlahisoang ke karabelo o eketsa mocheso, o potlakisang lebelo la liketso tsa mahlakoreng, ho fella ka katleho e tlaase ea etherification le boleng bo tlaase ba sehlahisoa. Mokhoa ona o sebelisoa ho lokisa lihlahisoa tsa CMC tsa maemo a mahareng le a tlase, joalo ka li-detergents, lisebelisoa tsa ho etsa masela, jj.
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mokgoa wa solvent
Mokhoa oa solvent o boetse o tsejoa e le mokhoa oa organic solvent. Tšobotsi ea eona e ka sehloohong ke hore alkalization le etherification reactions e etsoa tlas'a boemo ba hore solvent organic e sebelisoa e le mokhoa oa ho arabela (diluent). Ho latela palo ea karabelo e hlapollang, e arotsoe ka mokhoa oa ho luba le mokhoa oa slurry. Mokhoa oa ho qhibiliha o tšoana le mokhoa oa ho itšoara ka mokhoa o thehiloeng metsing, hape o na le mekhahlelo e 'meli ea alkalization le etherification, empa mokhoa oa ho itšoara oa mekhahlelo ena e' meli o fapane. Mokhoa oa solvent o felisa mekhoa ea tlhaho ea mokhoa o thehiloeng metsing, joalo ka ho inela, ho penya, ho phunya, ho tsofala, joalo-joalo, le alkalization le etherification kaofela li etsoa ka kneader. Bothata ke hore taolo ea mocheso e batla e fokola, tlhokahalo ea sebaka le litšenyehelo li phahame. Ha e le hantle, bakeng sa tlhahiso ea lisebelisoa tse fapaneng tsa lisebelisoa, ho hlokahala ho laola ka thata mocheso oa tsamaiso, nako ea ho fepa, joalo-joalo, e le hore lihlahisoa tse nang le boleng bo botle le ts'ebetso li ka lokisoa. Chate ea eona ea ho phalla e bontšitsoe setšoantšong sa 2.
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Boemo ba ho Lokisetsa SodiumCarboxymethyl celluloseho tsoa ho Lihlahisoa tsa Temo
Lihlahisoa tsa lijalo li na le litšobotsi tsa mefuta-futa le ho fumaneha habonolo, 'me li ka sebelisoa haholo e le lisebelisoa tse tala bakeng sa ho lokisa CMC. Hajoale, lihlahisoa tse tala tsa CMC ke haholo-holo selulose e hloekisitsoeng, ho kenyeletsoa fiber ea k'hothone, fiber ea cassava, fiber ea joang, fiber ea bamboo, likhoele tsa koro, joalo-joalo.
Maikutlo
Sodium carboxymethyl cellulose e ka sebelisoa e le emulsifier, flocculant, thickener, chelating agent, e bolokang metsi, sekhomaretsi, sekhomaretsi, thepa ea ho etsa lifilimi, joalo-joalo. E sebelisoa haholo ho lisebelisoa tsa elektroniki, letlalo, polasetiki, khatiso, ceramics, tšebeliso ea letsatsi le letsatsi. Matsatsing ana, tlas'a phatlalatso e atileng ea mohopolo oa tlhahiso ea lik'hemik'hale tse tala, lipatlisiso tsa kantle ho naha kaCMCthekenoloji ea ho itokisa e tsepamisitse maikutlo ho batleng ha lisebelisoa tsa tlhaho tse theko e tlaase le tse fumanehang habonolo le mekhoa e mecha ea tlhoekiso ea CMC. Joaloka naha e nang le mehloli e mengata ea temo, naha ea heso e na le phetoho ea cellulose Mabapi le theknoloji, e na le melemo ea lihlahisoa tse tala, empa ho boetse ho na le mathata a kang ho se lumellane ha mokhoa oa ho lokisetsa o bakoang ke mehloli e sa tšoaneng ea li-biomass cellulose fibers le phapang e kholo ea likarolo. Ho ntse ho na le bofokoli bo lekaneng ba tšebeliso ea lisebelisoa tsa biomass, kahoo likatleho tse ling libakeng tsena li hloka ho etsoa lipatlisiso tse pharaletseng.
Nako ea poso: Apr-25-2024