Dab tsi yog sodium carboxymethyl cellulose?

Sodium Carboxymethyl cellulose (cmc) yog dej-soluble derivative ntawm cellulose, uas yog ib txwm muaj nyob hauv cov phab ntsa ntawm tes. CMC yog tsim los ntawm kev hloov kho tshuaj lom neeg ntawm cellulose, qhov twg carboxymethyl pawg (-ch2cola) tau qhia rau lub cellulose caj qaum.

Cov lus qhia ntawm Carboxymethyl pab pawg uas muaj ntau yam khoom tseem ceeb hauv kev lag luam, suav nrog cov khoom noj, cov chaw muag tshuaj, tshuaj pleev tus kheej, cov ntawv thov kev lag luam. Qee cov khoom tseem ceeb thiab cov haujlwm ntawm cov sodium carboxymethyl cellulose muaj xws li:

1. Dej solubility: CMC yog soluble heev hauv dej, sib sau meej, viscous daws teeb meem. Cov cuab yeej no tso cai rau kev tuav yooj yim thiab sib koom ua aqueous rau cov kua txiv xws li cov khoom noj khoom haus, cov tshuaj, thiab cov kws saib xyuas tus kheej.
2. Thickening: CMC ua raws li tus neeg sawv cev tuab, nce viscosity ntawm cov kev daws teeb meem thiab kev ncua. Nws pab muab lub cev thiab kev ntxhib los mos rau cov khoom lag luam xws li cov kua ntses, hnav khaub ncaws, thiab tshuaj pleev.
3. Stabilization: CMC muaj haujlwm ua lub stabilizer los ntawm kev tiv thaiv kev sib sau ua ke thiab kev teeb tsa ntawm cov khoom lossis cov tee hauv ncua lossis emulsions. Nws pab tswj cov kev sib cais ntawm cov khoom xyaw cov khoom xyaw thiab txwv tsis pub theem sib cais thaum lub sijhawm cia thiab tuav.
4. Dej khaws cia: CMC muaj dej tau zoo heev, tso cai rau nws nqus thiab tuav dej ntau. Cov cuab yeej no tau txais txiaj ntsig zoo hauv cov ntawv thov uas ya kom muaj kev cia siab rau yog qhov tseem ceeb, xws li hauv cov khoom ci, confectionery, thiab cov khoom tu neeg.
5. Zaj duab xis tsim: CMC tuaj yeem tsim cov duab ntshiab, cov yeeb yaj kiab hloov kho thaum qhuav, muab cov chaw tiv thaiv thiab noo noo. Nws yog siv rau hauv cov tsho tiv no, cov nplaum, thiab cov ntsiav tshuaj los tsim cov yeeb yaj kiab tiv thaiv thiab cov tsho tshaj.
6. Kev khi: CMC ua raws li phau ntawv tuav los ntawm kev sib sau cov nplaum ntawm cov khoom sib xyaw lossis cov khoom sib xyaw ua ke. Nws yog siv nyob rau hauv cov ntsiav tshuaj hauv cov ntsiav tshuaj, ceramics, thiab lwm yam qauv tsim kom txhim kho cohesion thiab ntsiav tshuaj hardness.
7. Rheology hloov kho: CMC tuaj yeem hloov kho cov kev daws teeb meem ntawm kev daws teeb meem, cuam tshuam kev coj tus cwj pwm, thiab shear-thev tus cwj pwm. Nws yog siv los tswj cov kev ntws thiab kev ntxhib los mos cov khoom xws li cov xim av, inks, thiab drilling kua.

Sodium Carboxymethyl cellulose yog qhov ntau ntau yam ntxiv nrog ntau cov kev siv ntawm kev lag luam. Nws cov versatility, kua solubility, thickening, ruaj khov, lim dej, zaj duab xis-moding, thiab rh rheology cov khoom siv tau ua rau nws muaj txiaj ntsig zoo hauv cov khoom lag luam tsis muaj nqis thiab cov qauv.