Carboxymethyl cellulose (CMC) inowanzoshandiswa mumvura-inonyungudika polima ine akasiyana mashandisirwo mumaindasitiri akadai sechikafu, mishonga, zvizorwa, uye machira.Kubvisa CMC zvine mutsindo kwakakosha pakushandisa kwayo zvine hungwaru mumaindasitiri aya.
Kunzwisisa CMC:
Carboxymethyl cellulose inotorwa kubva ku cellulose, yakasikwa polymer inowanikwa muchirimwa sero madziro.Iyo inogadzirwa nekugadziriswa kwekemikari ye cellulose kuburikidza nekuunzwa kwecarboxymethyl mapoka pane yayo molecular chimiro.Kugadziridzwa uku kunopa kunyungudika kwemvura kune cellulose, zvichiita kuti CMC ive yakanakisa thickener, stabilizer, uye rheology modifier mumashandisirwo akasiyana siyana.
Zvinhu Zvinokonzera CMC Kuparara:
Tembiricha: CMC inonyungudika zviri nyore mumvura inopisa kupfuura mumvura inotonhora.Kuwedzera tembiricha inomhanyisa nzira yekunyungudika nekuda kwekukwidziridzwa kwema molecular kufamba uye kinetic simba.
Kushungurudza: Kukurudzira kana kubvongodza kunofambisa kupararira kweCMC zvimedu uye kunosimudzira kudyidzana kwavo nemamorekuru emvura, kukurumidza kupera.
pH: CMC yakagadzikana kune yakakura pH siyana;zvisinei, yakanyanyisa pH mamiriro anogona kukanganisa kunyungudika kwayo.Kazhinji, kusarerekera kune zvishoma alkaline pH mamiriro anofarira CMC kuparara.
Particle Size: Yakatsetseka pasi CMC inonyungudika nekukurumidza kupfuura zvimedu zvakakura nekuda kwekuwedzera kwenzvimbo inowanikwa yekudyidzana nemvura.
Concentration: Yakakwira yakadzika yeCMC ingangoda imwe nguva nesimba kuti iparadzwe zvachose.
Nzira dzekubvisa CMC:
1. Mvura Inopisa Nzira:
Maitiro: Pisa mvura kusvika padyo kufashaira (kunenge 80-90 ° C).Zvishoma nezvishoma wedzera CMC poda kumvura uchiri kubvongodza.Ramba uchikurudzira kusvika CMC yanyungudika zvizere.
Zvakanakira: Mvura inopisa inokurumidza kuparara, ichideredza nguva inodiwa kuti iite solubilization.
Zvekufunga: Dzivisa tembiricha yakawandisa inogona kudzikisira kana kushandura zvimiro zveCMC.
2. Cold Water Method:
Maitiro: Kunyange isingashande senzira yemvura inopisa, CMC inogona kunyungudutswa mumvura inotonhora.Wedzera CMC hupfu kune kamuri tembiricha kana mvura inotonhora uye kurunga nesimba.Bvumira nguva yakawanda yekuparara kwakakwana kana ichienzaniswa nemvura inopisa nzira.
Zvakanakira: Inokodzera kunyorera uko tembiricha yakanyanya kusingafadzi kana kusashanda.
Kufunga: Inoda nguva yakawanda uye kubvongodza zvichienzaniswa nemvura inopisa nzira.
3. Pre-hydration Method:
Maitiro: Pre-sanganisa CMC nemvura shoma kuti uite paste kana slurry.Kana iyo CMC ichinge yaparadzirwa zvakafanana, zvishoma nezvishoma wedzera paste iyi kune iyo huru yakawanda yemvura uchikurudzira uchienderera.
Zvakanakira: Inovimbisa kunyangwe kupararira kweCMC zvimedu, kudzivirira clumping uye kukurudzira kuparara kwemayunifomu.
Mafungiro: Inoda kungwarira kudzora kwenamira kuenderana kudzivirira agglomeration.
4. Neutralization Method:
Maitiro: Dissolve CMC mumvura ine kwayakarerekera kana zvishoma alkaline pH.Rongedza iyo pH uchishandisa dilute acid kana alkali mhinduro kukwirisa CMC solubility.
Zvakanakira: pH gadziriso inogona kuwedzera CMC solubility, kunyanya mumagadzirirwo apo pH inoita basa rakakosha.
Kufunga: Inoda chaiyo pH kudzora kudzivirira yakashata mhedzisiro pachigadzirwa chekupedzisira.
5. Kunyungudika-inobatsirwa Nzira:
Maitiro: Dissolve CMC mune yakakodzera organic solvent senge ethanol kana isopropanol usati waipinza mune inodiwa aqueous system.
Zvakanakira: Organic solvents inogona kubatsira mukuparara kweCMC, kunyanya mumashandisirwo ayo mvura yega isina kukwana.
Chengetedzo: Yasara nhanho dzekunyungudutsa dzinofanirwa kunyatsotariswa kuti ive nechokwadi chekutevedzera chengetedzo uye zvimiro zvemitemo.
Mazano eKubudirira kweCMC Dissolution:
Shandisa Hunhu Mvura: Mvura yepamusoro-soro isina tsvina inogona kuvandudza CMC kuparara uye mhando yechigadzirwa.
Kuwedzera Kudzora: Zvishoma nezvishoma wedzera CMC kumvura uchikurudzira kudzivirira kudhumhana uye kuve nechokwadi chekupararira kwakafanana.
Optimize Mamiriro: Edza nemaparamendi akasiyana senge tembiricha, pH, uye kubvongodza kuti uone iwo akanyanya mamiriro ekuparara kweCMC.
Particle Size Reduction: Kana zvichibvira, shandisa yakatsetseka pasi CMC poda kuti ikurumidze kuparara kwemazinga.
Kudzora Kwemhando: Gara uchitarisa maitiro ekunyungudusa uye ekupedzisira chigadzirwa maitiro kuti uchengetedze kuwirirana uye mhando.
Chengetedzo Chengetedzo: Teerera kune ekuchengetedza maprotocol paunenge uchibata CMC uye chero makemikari anobatanidzwa kuderedza njodzi kune vashandi uye nharaunda.
Nekutevera nzira idzi uye matipi, unogona kunyatso nyungudutsa CMC kune akasiyana maindasitiri uye ekutengesa maapplication, kuve nechokwadi chekuita kwakakwana uye mhando yechigadzirwa.
Nguva yekutumira: Mar-20-2024