Carboxymethyl cellulose (Askiv: cellulose cellulose, thiab cov ntsev ua ntsev (sodium carboxymethyl cellulose) feem ntau siv los ua tuab thiab muab tshuaj txhuam.
Carboxymethyl cellulose yog hu ua industrial monosodium glutamate, uas yog dav siv hauv kev lag luam ntau lawm thiab coj tau zoo siv tus nqi rau ntau yam teb ntau lawm. Carboxymethyl cellulose yog powdery cov tshuaj, tsis muaj tshuaj lom, tab sis nws yooj yim kom yaj hauv dej. Nws yog soluble hauv dej txias thiab dej kub, tab sis nws yog insoluble hauv cov kuab tshuaj organic. Nws yuav dhau los ua kua pleev kua txiv tom qab dissolving, tab sis cov viscosity yuav sib txawv vim kub thiab txias thiab poob. Vim nws cov khoom tshwj xeeb, muaj ntau yam kev tshwj xeeb hauv kev khaws cia thiab kev thauj mus los.
Lub cev thiab tshuaj
Carboxymethyl cellulose yog xim daj lossis lub teeb daj, tsw, hygroscopic granules, hmoov lossis zoo fibers.
kev npaj
Carboxymethylcellose yog synthesized los ntawm lub hauv paus-catalalyzed tshuaj tiv thaiv ntawm cellulose nrog chloroacetic acid. Ncej (organic acid) Carboxyl pab pawg ua cellulose soluble thiab chemically reactive. Tom qab thawj cov tshuaj tiv thaiv, kev sib zog sib xyaw ua kom kwv yees li 60% cmcas 40% ntsev (sodium chloride thiab sodium glycolate). Cov khoom yog ib tug thiaj li hu Industrial Collc rau xab npum. Cov ntsev ntsev tau raug tshem tawm siv ib qho kev ua kom huv ntxiv los tsim cov khoom ntshiab rau kev siv hauv cov zaub mov, tshuaj thiab cov hniav tshuaj txhuam hniav). Qib nruab nrab "Qib kawm qib nrab yog tsim, feem ntau siv nyob rau hauv cov ntawv thov xws li kev rov kho cov ntaub ntawv qub. Lub zog ua haujlwm ntawm CMC yog nyob ntawm cov qib ntawm cov qauv cellulose (uas yog, muaj pes tsawg tus qauv hydroxs thiab qib kev sib sau ua ke ntawm lub cellulose cellebone. Carboxymethyl hloov chaw.
daim ntawv thov
Carboxymethylcellulose yog siv nyob rau hauv cov zaub mov raws li lub viscosity conculity lossis thickening nyob rau hauv tus e-aws Nws tseem yog ib feem ntawm ntau cov khoom lag luam uas tsis yog cov khoom noj xws li tshuaj txhuam hniav, tshuaj ntxuav cov dej, cov khoom noj kom huv si thermal thiab ntau cov khoom lag luam. Nws yog siv feem ntau vim tias nws yog siab viscosity, tsis-toxic thiab feem ntau suav hais tias hypoallergenic txij li lub hauv paus tseem ceeb fibers yog softwood ntoo pulp lossis cov paj rwb nyom. Carboxymethylcellulose tau dav siv nyob rau hauv gluten-dawb thiab txo cov zaub mov muaj roj. Hauv cov khaub ncaws tshuaj ntxhua khaub ncaws, nws yog qhov siv ua cov av tshem tawm kom tso nyiaj rau cov paj rwb thiab lwm cov cellulosic ntaub, tsim kom muaj kev them nyiaj rau cov dej cawv. Cov carboxymethylcellulose yog siv los ua cov roj nplua nyeem hauv cov kua muag cuav. Cov Carboxymethylcellulose kuj tau siv los ua cov roj ua kom tuab, uas nws yog siv los ua hluav taws xob viscosity thiab dej tuav tus neeg saib xyuas. Piv txwv li, sodium cmc (NA CMC) tau siv los ua kev tswj hwm tsis zoo rau cov plaub hau ploj hauv luav. Knitted ntaub ua los ntawm cellulose, xws li rwb duab lossis viscose rayon, tuaj yeem hloov mus rau ntau yam kev siv tshuaj kho mob.
Lub Sijhawm Post: Feb-14-2025