Lub luag haujlwm ntawmCMC (Carboxymethyl Cellulose) Hauv cov khoom siv ceramic glazes feem ntau yog pom tseeb hauv cov hauv qab no: thickening, bonding, dispersion, txhim kho kev ua haujlwm ntawm txheej, tswj cov glaze zoo, thiab lwm yam. Raws li cov tshuaj polymer ntuj tseem ceeb, nws yog siv dav hauv kev npaj cov ceramic glazes thiab ceramic slurries.
1. Cov nyhuv tuab
CMC yog ib qho tshuaj polymer uas yaj tau hauv dej uas tuaj yeem tsim cov kua nplaum uas nyob hauv dej. Qhov no ua rau nws lub luag haujlwm tseem ceeb hauv cov khoom siv ceramic glazes, tshwj xeeb tshaj yog thaum qhov viscosity ntawm cov khoom siv glaze yuav tsum tau kho. Cov khoom siv ceramic glazes feem ntau yog ua los ntawm cov hmoov inorganic, cov khoom siv iav, cov neeg sawv cev fluxing, thiab lwm yam. Kev ntxiv dej qee zaum ua rau cov khoom siv glaze muaj fluidity ntau dhau, ua rau cov txheej tsis sib xws. CMC ua rau cov viscosity ntawm cov khoom siv glaze nce ntxiv, ua rau cov txheej glaze sib xws dua, txo cov fluidity ntawm cov khoom siv glaze, yog li txhim kho cov nyhuv ntawm cov khoom siv glaze thiab zam cov teeb meem xws li glaze swb thiab dripping.
2. Kev ua tau zoo ntawm kev sib txuas
Tom qab ntxiv CMC rau hauv cov khoom siv ceramic glaze, cov molecule CMC yuav tsim ib qho kev sib txuas nrog cov hmoov inorganic hauv cov khoom siv glaze. CMC ua kom cov khoom siv glazes lo rau ntawm cov khoom siv los ntawm kev tsim cov hydrogen bonds nrog cov dej molecule los ntawm cov pawg carboxyl hauv nws cov molecule thiab cuam tshuam nrog lwm cov pab pawg tshuaj lom neeg. Qhov kev sib txuas no ua rau cov khoom siv glaze lo rau ntawm qhov chaw ntawm cov khoom siv ceramic thaum lub sijhawm txheej txheem, txo qhov tev tawm thiab poob ntawm cov khoom siv, thiab txhim kho kev ruaj khov ntawm cov txheej txheem glaze.
3. Cov nyhuv tawg
CMC kuj muaj cov nyhuv dispersing zoo. Hauv cov txheej txheem npaj cov ceramic glazes, tshwj xeeb tshaj yog thaum siv qee cov hmoov inorganic nrog cov khoom loj dua, AnxinCel®CMC tuaj yeem tiv thaiv cov khoom los ntawm kev sib sau ua ke thiab tswj lawv cov dispersibility hauv cov dej theem. Cov carboxyl pawg ntawm CMC molecular saw cuam tshuam nrog qhov chaw ntawm cov khoom, ua kom txo qhov kev sib txuas ntawm cov khoom, yog li txhim kho qhov dispersibility thiab ruaj khov ntawm cov glaze. Qhov no yog qhov tseem ceeb rau qhov sib xws thiab xim sib xws ntawm cov glaze.
4. Txhim kho kev ua haujlwm ntawm txheej
Qhov kev ua tau zoo ntawm cov xim pleev xim rau cov khoom siv ceramic yog qhov tseem ceeb rau qhov zoo ntawm cov xim pleev xim kawg. CMC tuaj yeem txhim kho qhov fluidity ntawm cov xim pleev xim, ua rau nws yooj yim dua los pleev xim rau saum npoo ntawm lub cev ceramic. Tsis tas li ntawd, CMC kho qhov viscosity thiab rheology ntawm cov xim pleev xim, kom cov xim pleev xim tuaj yeem lo rau ntawm qhov chaw ntawm lub cev thaum lub sijhawm kub siab thiab tsis yooj yim poob tawm. CMC kuj tseem tuaj yeem txo qhov nro ntawm cov xim pleev xim thiab ua rau muaj kev sib raug zoo ntawm cov xim pleev xim thiab qhov chaw ntawm cov khoom siv ntsuab, yog li txhim kho qhov fluidity thiab adhesion ntawm cov xim pleev xim thaum lub sijhawm pleev xim.
5. Tswj cov xim zoo ntawm cov glaze
Qhov kawg ntawm cov khoom siv ceramic glazes suav nrog qhov ci ntsa iab, qhov tiaj tiaj, pob tshab thiab xim ntawm cov khoom siv. Kev ntxiv AnxinCel®CMC tuaj yeem ua kom zoo dua cov khoom no rau qee qhov. Ua ntej, qhov cuam tshuam ntawm CMC ua rau cov khoom siv tuab ua rau cov khoom siv los ua ib zaj duab xis sib xws thaum lub sijhawm hlawv, zam kev puas tsuaj los ntawm cov khoom siv nyias dhau lossis tuab dhau. Qhov thib ob, CMC tuaj yeem tswj qhov nrawm ntawm cov dej kom tsis txhob qhuav tsis sib xws ntawm cov khoom siv, yog li txhim kho qhov ci ntsa iab thiab pob tshab ntawm cov khoom siv tom qab hlawv.
6. Txhawb txoj kev tua hluav taws
CMC yuav lwj thiab vaporize thaum kub siab, thiab cov pa roj uas tso tawm tuaj yeem muaj qee yam kev tswj hwm rau huab cua thaum lub sijhawm hlawv glaze. Los ntawm kev kho qhov ntau ntawm CMC, qhov nthuav dav thiab kev sib cog lus ntawm cov glaze thaum lub sijhawm hlawv tuaj yeem tswj tau kom tsis txhob muaj kab nrib pleb lossis kev sib cog lus tsis sib xws ntawm qhov chaw glaze. Tsis tas li ntawd, kev ntxiv CMC kuj tseem tuaj yeem pab cov glaze ua rau qhov chaw du ntawm qhov kub siab thiab txhim kho qhov zoo ntawm cov khoom siv ceramic.
7. Tus nqi thiab kev tiv thaiv ib puag ncig
Ua ib yam khoom siv polymer ntuj, CMC muaj tus nqi qis dua li qee cov tshuaj lom neeg tsim. Tsis tas li ntawd xwb, vim CMC yog biodegradable, nws muaj ntau qhov zoo rau ib puag ncig thaum siv. Hauv kev npaj cov khoom siv ceramic glazes, kev siv CMC tsis yog tsuas yog txhim kho qhov zoo ntawm cov khoom xwb, tab sis kuj txo cov nqi tsim khoom, uas ua tau raws li qhov yuav tsum tau ua ntawm kev tiv thaiv ib puag ncig thiab kev lag luam hauv kev lag luam ceramic niaj hnub no.
8. Siv tau dav
CMC siv tau tsis yog rau cov iav ceramic xwb, tab sis kuj siv rau cov khoom siv ceramic tshwj xeeb. Piv txwv li, hauv cov iav ceramic uas kub hnyiab, CMC tuaj yeem tiv thaiv kev tawg ntawm cov iav; hauv cov khoom siv ceramic uas xav tau qhov ci ntsa iab thiab kev ntxhib los mos tshwj xeeb, CMC tuaj yeem ua kom zoo dua qhov rheology thiab txheej txheem ntawm cov iav; hauv kev tsim cov khoom siv ceramic thiab cov khoom siv tes ua, CMC tuaj yeem pab txhim kho qhov mos thiab ci ntsa iab ntawm cov iav.
Ua ib yam khoom siv ntxiv uas muaj ntau yam haujlwm hauv cov khoom siv ceramic glazes, AnxinCel®CMC tau dhau los ua ib yam khoom siv pabcuam tseem ceeb hauv kev lag luam ceramic. Nws txhim kho qhov zoo thiab kev ua tau zoo ntawm cov khoom siv ceramic glazes los ntawm kev ua kom tuab, sib txuas, sib kis, thiab txhim kho kev ua haujlwm ntawm cov txheej, uas thaum kawg cuam tshuam rau qhov tsos, kev ua haujlwm thiab kev hlawv ntawm cov khoom siv ceramic. Nrog rau kev txhim kho tas mus li ntawm kev lag luam ceramic, kev cia siab ntawm daim ntawv thov ntawm CMC yuav dav dua, thiab nws txoj kev tiv thaiv ib puag ncig thiab cov txiaj ntsig pheej yig kuj ua rau nws ua lub luag haujlwm tseem ceeb hauv kev tsim khoom ceramic yav tom ntej.
Lub sijhawm tshaj tawm: Lub Ib Hlis-06-2025