Cellulose Ethaer yog dab tsi?

Cellulose Ethaer yog dab tsi?

Cov neeg hais txog cellulose yog tsev neeg ntawm cov dej-soluble lossis dej tawg qoob loo los ntawm cellulose los ntawm cellulose, lub ntuj polymer pom nyob hauv cov phab ntsa ntawm tes ntawm cov nroj tsuag. Cov pawg no yog tsim los ntawm kev kho cov tshuaj kho cov pawg hydroxyl ntawm cov pawg hydroxyl ntawm cellulose, ua rau muaj ntau yam ntawm lub zog ether ethering nrog cov khoom sib txawv. Cellulose Cov neeg ua neeg hais tias nws muaj kev lag luam ntau yam kev lag luam vim lawv cov kev sib xyaw ua ke, suav nrog cov khoom siv solubility, muaj peev xwm ua yeeb yam thickening, ua yeeb yam.

Cov ntsiab lus tseem ceeb ntawm cov cellulose neeg hais muaj xws li:

  1. Methyl Cellulose (MC):
    • Methyl cellulose tau muab los ntawm qhia metyl pawg rau hauv hydroxyl pawg ntawm cellulose. Nws yog ib qho siv tau siv los ua cov neeg sawv cev ua tuab thiab ua kom zoo nkauj hauv ntau daim ntawv thov, suav nrog cov zaub mov, cov chaw muag tshuaj, thiab cov khoom siv.
  2. Hydroxyethyl cellulose (HEC):
    • Hydroxyethyl cellulose yog tsim los ntawm kev qhia cov pab pawg hydroxyethyl ntawm cellulose. Nws yog dav siv los ua cov tuab dua, rheology kho tshuab, thiab stabilizer nyob rau hauv cov khoom xws li cov tshuaj pleev ib ce, cov khoom saib xyuas tus kheej, thiab cov khoom saib xyuas tus kheej, thiab cov khoom saib xyuas tus kheej, thiab cov khoom saib xyuas tus kheej, thiab cov khoom saib xyuas tus kheej, thiab cov khoom saib xyuas tus kheej, thiab cov khoom saib xyuas tus kheej.
  3. HydroxyPropyyl methyl cellulose (HPMC):
    • HydroxyPropy cellulose yog cov cellulation dual Nws yog siv rau hauv cov khoom tsim kho, tshuaj, khoom noj khoom noj, thiab ntau yam kev lag luam rau nws cov dej ua kom tuab, thiab ua yeeb yaj kiab ua yeeb yaj kiab.
  4. Ethyl Cellulose (EC):
    • Ethyl Cellulose yog muab los ntawm kev qhia txog cov pab ethyl rau hauv cellulose. Nws tau paub txog nws cov dej-insoluble xwm thiab feem ntau siv los ua zaj duab xis-ua tus neeg sawv cev, tshwj xeeb hauv kev lag luam thiab kev lag luam ntau.
  5. Carboxymethyl cellulose (CMC):
    • Carboxymethyl cellulose tau muab los ntawm kev qhia cov pab pawg carboxymSyl rau hauv cellulose. Nws yog dav siv los ua tus neeg sawv cev tuab, stabilizer, thiab dej tuav tus neeg saib xyuas hauv cov khoom noj khoom haus, chaw muag tshuaj, thiab cov ntawv thov.
  6. HydroxyPropyl cellulose (HPC):
    • Hydroxypropyl cellulose yog tsim los ntawm kev qhia hydroxypropyl rau hauv cellulose. Nws yog feem ntau siv nyob rau hauv kev lag luam kws tshuaj yog lub binder, zaj duab xis-ua tus neeg sawv cev, thiab tuab nyob rau hauv cov ntsiav tshuaj tsim qauv.

Cov cellulose muaj nuj nqis yog muaj nuj nqis rau lawv lub peev xwm los hloov cov rheological thiab cov khoom siv kho txhua yam ntawm ntau yam qauv. Lawv cov kev thov ncua kev lag luam ntau yam, suav nrog:

  • Kev tsim kho: Nyob rau hauv cov neeg muaj neej, cov nplaum, thiab tsho loj los txhim kho cov dej cia, ua haujlwm, thiab cov tshuaj nplaum.
  • Kws muag tshuaj: Hauv cov ntsiav tshuaj ntsiav tshuaj, khi, thiab kev tso tawm-tso tawm.
  • Cov zaub mov thiab dej haus: hauv cov thickeners, stabilizers, thiab cov roj hloov.
  • Cov tshuaj pleev ib ce thiab kev saib xyuas tus kheej: hauv cream, tshuaj, tshuaj zawv plaub hau, thiab lwm yam khoom rau lawv cov khoom siv tuab thiab ruaj khov.

Qhov tshwj xeeb hom ntawm cov cellulose ether xaiv nyob ntawm cov khoom xav tau rau ib qho kev thov tshwj xeeb. Cov neeg uas muaj feem ntawm cov neeg ua haujlwm hauv cellulose ua rau lawv muaj txiaj ntsig zoo hauv ntau cov khoom lag luam, ua rau muaj kev txhim kho kev ntxhib los mos, thiab kev ruaj khov.


Lub Sijhawm Post: Jan-01-2024