Focus on Cellulose ethers

Tlhaloso: CMC LV

Tlhaloso: CMC LV

Carboxymethyl cellulose low viscosity (CMC-LV) ke mofuta o mong oa sodium carboxymethyl cellulose, polymer e qhibilihang ka metsing e tsoang ho selulose.CMC-LV e fetotsoe ka lik'hemik'hale hore e be le viscosity e tlase ha e bapisoa le k'hamphani ea eona e phahameng ea viscosity (CMC-HV).Phetoho ena e lumella CMC-LV ho bonts'a thepa e ikhethang e loketseng lits'ebetso tse ikhethileng, ho kenyeletsoa le tse indastering ea oli le khase, joalo ka maro a ho cheka.

Thepa ea Carboxymethyl Cellulose Low Viscosity (CMC-LV):

  1. Sebopeho sa Lik'hemik'hale: CMC-LV e entsoe ka ho hlahisa lihlopha tsa carboxymethyl mokokotlong oa cellulose, tse tšoanang le mefuta e meng ea CMC.
  2. Mokelikeli oa Metsi: Joalo ka mefuta e meng ea CMC, CMC-LV e qhibiliha haholo ke metsi, e nolofalletsang ho kenngoa habonolo lits'ebetsong tse thehiloeng metsing tse kang maro a ho cheka.
  3. Viscosity e ka Tlase: Ntho e ka sehloohong e khethollang CMC-LV ke viscosity ea eona e tlase ha e bapisoa le CMC-HV.Tšobotsi ena e etsa hore e tšoanelehe bakeng sa lits'ebetso moo ho hlokahalang viscosity e tlase.
  4. Taolo ea Tahlehelo ea Mokelikeli: Le hoja e sa sebetse joaloka CMC-HV taolong ea tahlehelo ea mokelikeli, CMC-LV e ntse e ka kenya letsoho ho fokotsa tahlehelo ea mokelikeli ka ho etsa kuku e sefa maboteng a seliba.
  5. Thermal Stability: CMC-LV e bonts'a botsitso bo botle ba mocheso, e etsa hore e tšoanelehe bakeng sa tšebeliso ea maro a ho cheka a pepesehileng mocheso o phahameng.
  6. Mamello ea Letsoai: Joalo ka mefuta e meng ea CMC, CMC-LV e ka mamella maemo a itekanetseng a letsoai a kopaneng le tšebetso ea ho cheka.

Tšebeliso ea CMC-LV ho Mekelikeli ea ho Cheka:

  1. Phetoho ea Viscosity: CMC-LV e sebelisetsoa ho fetola viscosity ea maro a ho cheka, ho fana ka taolo holim'a rheology ea mokelikeli le thepa ea haeteroliki.
  2. Taolo ea Tahlehelo ea Mokelikeli: Le hoja e sa sebetse joaloka CMC-HV, CMC-LV e ka thusa ho laola tahlehelo ea mokelikeli ka ho etsa kuku e tšesaane ea sefe maboteng a seliba.
  3. Shale Stabilization: CMC-LV e ka thusa ho tsitsisa libopeho tsa shale ka ho thibela metsi le ho hasana ha likaroloana tsa shale.
  4. Ho tlotsa Mokelikeli: Ntle le phetoho ea viscosity, CMC-LV e ka sebetsa joalo ka setlolo, ea fokotsa likhohlano lipakeng tsa mokelikeli oa ho cheka le bokaholimo ba liliba.

Mokhoa oa Tlhahiso oa CMC-LV:

Tlhahiso ea CMC-LV e latela ts'ebetso e ts'oanang le mefuta e meng ea CMC:

  1. Cellulose Sourcing: Cellulose e sebetsa e le thepa e tala bakeng sa tlhahiso ea CMC-LV, eo hangata e fumanoang ho tsoa ho makhasi a lehong kapa lithareng tsa k'hothone.
  2. Etherification: Cellulose e kena etherification ka sodium chloroacetate ho hlahisa lihlopha tsa carboxymethyl, kahoo e etsa hore e qhibilihe ka metsing.
  3. Viscosity e Laoloang: Nakong ea ts'ebetso ea ho kopanya, tekanyo ea etherification e lokisoa ho fihlela sebopeho se lakatsehang sa viscosity sa CMC-LV.
  4. Neutralization le Tlhoekiso: Sehlahisoa ha se nke lehlakore ho se fetola sebopeho sa letsoai sa sodium mme se hloekisoa ho tlosa litšila.
  5. Ho omisa le ho Pakaletsa: CMC-LV e hloekisitsoeng e omisitsoe ebe e pakeloa bakeng sa ho abeloa basebelisi ba ho qetela.

Kameho ea Tikoloho:

  1. Biodegradability: CMC-LV, e nkiloeng ho selulose, e ka bola tlas'a maemo a loketseng, e fokotsa tšusumetso ea eona ea tikoloho ha e bapisoa le lipolymer tsa maiketsetso.
  2. Taolo ea Litšila: Ho lahla metsi a chekang ka nepo a nang le CMC-LV ho bohlokoa ho fokotsa tšilafalo ea tikoloho.Ho sebelisoa hape le kalafo ea maro a chekang ho ka thusa ho fokotsa likotsi tsa tikoloho.
  3. Moshoelella: Boiteko ba ho ntlafatsa ts'ebetso ea tlhahiso ea CMC-LV bo kenyelletsa ho fumana selulose merung e laoloang ka mokhoa o tsitsitseng le ho kenya tšebetsong mekhoa ea tlhahiso e bolokang tikoloho.

Tebello ea Bokamoso:

  1. Patlisiso le Nts'etsopele: Patlisiso e tsoelang pele e ikemiselitse ho ntlafatsa ts'ebetso le ts'ebeliso ea CMC-LV marong a ho cheka.Sena se kenyelletsa ho hlahloba liqapi tse ncha le ho utloisisa litšebelisano tsa eona le li-additives tse ling.
  2. Mehopolo ea Tikoloho: Lintlafatso tsa nako e tlang li ka shebana le ho fokotsa ts'ebetso ea tikoloho ea CMC-LV ka ts'ebeliso ea lisebelisoa tse nchafalitsoeng le mekhoa ea tlhahiso e bolokang tikoloho.
  3. Tumellano ea Taolo: Ho latela melao ea tikoloho le maemo a indasteri ho tla tsoelapele ho bopa nts'etsopele le ts'ebeliso ea CMC-LV ts'ebetsong ea ho cheka.

Ka kakaretso, carboxymethyl cellulose low viscosity (CMC-LV) ke tlatsetso e feto-fetohang e sebelisoang mekelikeli ea ho cheka, e fanang ka phetoho ea viscosity, taolo ea tahlehelo ea mokelikeli, le thepa ea ho tsitsisa shale.Viscosity ea eona e tlase e etsa hore e tšoanelehe bakeng sa lits'ebetso tse ikhethileng moo taolo ea rheology ea mokelikeli e leng bohlokoa.Ha indasteri e ntse e hatela pele, liteko tse tsoelang pele tsa lipatlisiso le nts'etsopele li ikemiselitse ho ntlafatsa ts'ebetso le ts'ebetso ea tikoloho ea CMC-LV, ho netefatsa hore e tsoela pele ho sebetsa mesebetsing ea ho cheka.


Nako ea poso: Mar-13-2024
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