Cellulose pos hniav - khoom noj khoom haus

Cellulose cov pos hniav, tseem hu ua carboxymethylcelleculose (cmc), yog hloov kho cellulose hloov polymer muab tau los ntawm cov nroj tsuag. Nws yog ib qho siv tau siv los ua cov zaub mov noj vim nws cov khoom siv ntau yam raws li tus neeg sawv cev tuab tuab, stabilizer, thiab emulsifier. Cov txheej txheem tseem ceeb ntawm cov pos hniav cellulose hauv cov ntsiab lus ntawm cov khoom noj yog cov nroj tsuag. Nov yog qhov tseem ceeb:

1. Ntoo pulp:
   • Cellulose cov hniav yog feem ntau tau muab los ntawm ntoo pulp, uas yog feem ntau tau txais los ntawm cov ntoo mos lossis tawv ntoo. Cov cellulose fibers nyob rau hauv ntoo pulp yauv mus ua cov txheej txheem tshuaj lom neeg los tsim cov carboxymellcelleculose.
2. Paj rwb tseb:
   • Paj rwb linters, cov lus luv luv txuas nrog cottonsess tom qab kev ua si, yog lwm qhov ntawm cov hniav ntawm cov hniav. Lub cellulose tau muab rho tawm los ntawm cov fibers thiab ces tshuaj hloov kho los tsim carboxymellcelleculose.
3. Microbial Fermentation:
   • Muaj qee kis, cov hniav cov posulose tuaj yeem tsim los ntawm cov kab mob microbial siv qee cov kab mob. Cov kab mob me me tau ua rau engineed los ua cov cellulose, uas yog tom qab ntawd hloov kho los tsim cov carboxymellcelleculose.
4. Kev ruaj khov thiab txuas ntxiv dua:
   • Muaj kev txaus siab zuj zus kom tau cellulose los ntawm kev ruaj khov thiab txuas ntxiv dua tshiab. Qhov no suav nrog tshawb hloov cov chaw rau cov cellulose rau cov hniav cellulose, xws li cov qoob loo nyob hauv zej zog lossis cov qoob loo tsis yog cov zaub mov tsis yog zaub mov.
5. Resenerated cellulose:
   • Cellulose cov pos hniav kuj tseem tuaj yeem tsim los ntawm kev tsim cov cellulose, uas yog tsim los ntawm cov celluls cellulose hauv cov kuab tshuaj thiab tom qab ntawd rov ua dua rau hauv daim foos siv tau. Qhov qauv no tso cai rau kev tswj ntau dua cov yam ntxwv ntawm cov pa ntawm cov hniav.

Nws yog ib qho tseem ceeb kom nco ntsoov tias thaum cov pos hniav cellulose tau muab los ntawm cov av cog, cov txheej txheem kev hloov pauv tau muab cov tshuaj tiv thaiv carboxymethyl. Qhov kev hloov pauv no txhim kho cov dej-solubility thiab kev ua haujlwm ntawm cellulose covm, ua rau nws haum rau ntau yam kev siv hauv kev lag luam khoom noj.

Nyob rau hauv cov khoom kawg, cellulose cov hniav yog ib txwm muaj nyob rau hauv me me thiab ua haujlwm tshwj xeeb, ruaj khov, thiab txhim kho kev ntxhib los mos. Nws yog dav siv nyob rau hauv ntau cov zaub mov tiav, suav nrog cov kua ntses, hnav khaub ncaws, cov khoom noj siv mis, thiab lwm yam khoom muag. Cov ntoo-muab tau cov pos hniav cellulose nrog cov neeg siv khoom nyiam rau cov khoom noj thiab nroj tsuag cog hauv kev lag luam khoom noj.