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Cov khoom tshwj xeeb
Ceramic qib CMC
Ceramic qib CMC
Ceramic qib CMC
Ceramic qib CMC
Ceramic qib CMC
Ceramic qib CMC
Ceramic qib CMC
Ceramic qib CMC

Ceramic qib CMC

Ceramic qib CMC Sodium carboxymethyl cellulose kua tuaj yeem yaj nrog lwm cov dej-soluble adhesives thiab resins. Lub viscosity ntawm CMC cov tshuaj txo nrog qhov nce ntawm qhov kub thiab txias, thiab cov viscosity yuav rov qab los tom qab txias. CMC aqueous tov yog cov kua uas tsis yog-Newtonian nrog pseudoplasticity, thiab nws cov viscosity txo qis nrog qhov nce ntawm tangential quab yuam, uas yog hais tias, fluidity ntawm cov tshuaj yuav zoo dua nrog rau qhov nce ntawm tangential quab yuam. Sodium carboxymethyl cellulose (CMC) tov muaj ib tug tshwj xeeb network qauv, muaj peev xwm pab txhawb lwm yam tshuaj, kom tag nrho cov system yog sib npaug zos rau ib tug tag nrho.


Ceramic qib CMC tuaj yeem siv rau hauv lub cev ceramic, glazing pulp, thiab zoo nkauj glaze. Siv nyob rau hauv ceramic lub cev, nws yog ib tug zoo zog tus neeg sawv cev, uas yuav ntxiv dag zog rau lub mouldability ntawm av nkos thiab xuab zeb cov ntaub ntawv, pab txhawb lub cev shaping thiab ua rau kom lub zog folding ntawm lub cev ntsuab.

    Yam khoom

    piav 2

    Qhov tshwm sim

    Dawb mus rau dawb hmoov

    Particle loj

    95% dhau 80 mesh

    Degree ntawm kev hloov

    0.7-1.5 hli

    Tus nqi PH

    6.0 ~ 8.5 hli

    Purity (%)

    92 nqi, 97,99.5m

    Nrov qib

    Daim ntawv thov

    Hom qib

    Viscosity (Brookfield, LV, 2% Solu)

    Viscosity (Brookfield LV, mPa.s, 1% Solu)

    Degree ntawm Hloov

    Purity

    CMC rau Ceramic

    CMC FC400

    300-500

    0.8-1.0

    92% min

    CMC FC 1200

    1200-1300 Nws

    0.8-1.0

    92% min

    Daim ntawv thov

    piav 2

    3. Daim ntawv thov hauv lub cev ceramic

    CMC muaj ib tug tshwj xeeb linear polymer qauv. Thaum CMC ntxiv rau dej, nws pawg hydrophilic tau ua ke nrog dej los tsim cov txheej txheem solvated, kom CMC molecules maj mam tawg hauv dej. CMC polymers cia siab rau hydrogen daim ntawv cog lus thiab van der Waals quab yuam los tsim ib lub network qauv, yog li qhia adhesion. CMC rau ceramic embryo lub cev yuav siv tau raws li excipient, plasticizer thiab ntxiv dag zog rau lub cev embryo nyob rau hauv ceramic kev lag luam.
    * Tsawg npaum li cas, ntsuab dabtsi yog khoov zog nce efficiency yog pom tseeb;
    * Txhim kho ntsuab ua kom ceev, txo kev siv zog ntau lawm;
    * Kev poob zoo ntawm hluav taws, tsis muaj qhov seem tom qab hlawv, tsis cuam tshuam cov xim ntsuab;
    * Yooj yim rau kev khiav lag luam, tiv thaiv glaze dov, tsis muaj glaze thiab lwm yam tsis xws luag;
    * Nrog cov nyhuv los tiv thaiv coagulation, tuaj yeem txhim kho qhov dej ntawm glaze muab tshuaj txhuam, yooj yim rau kev ua haujlwm glaze;
    * Raws li ib tug billet excipient, nce lub plasticity ntawm cov khoom siv xuab zeb, yooj yim rau lub cev;
    * Muaj zog txhua yam hnav tsis kam, tsis tshua muaj cov saw molecular puas hauv cov txheej txheem ntawm pob milling thiab txhua yam nplawm;
    * Raws li tus neeg sawv cev ntxiv dag zog rau billet, ua kom lub zog khoov ntawm ntsuab billet, txhim kho kev ruaj ntseg ntawm billet, txo qhov kev puas tsuaj;
    * Muaj zog ncua kev kawm ntawv thiab dispersion, tuaj yeem tiv thaiv cov ntaub ntawv tsis zoo thiab cov ntaub so ntswg nyob, kom cov slurry tusyees dispersed;
    * Ua kom cov dej noo nyob rau hauv lub billet evaporate tusyees, tiv thaiv kom qhuav thiab tawg, tshwj xeeb tshaj yog siv nyob rau hauv loj loj pem teb pobzeb billets thiab polished cib billets, cov nyhuv yog pom tseeb.

    4. Daim ntawv thov nyob rau hauv ceramic glaze slurry

    CMC belongs rau cov chav kawm polyelectrolyte, uas feem ntau yog siv los ua cov ntawv khi thiab raug tshem tawm hauv glaze slurry. Thaum CMC nyob rau hauv lub glaze slurry, dej nkag mus rau hauv CMC yas daim nyob rau hauv, hydrophilic pawg ua ke nrog dej, tsim cov dej nqus expansion, thaum lub micelle nyob rau hauv hydration expansion, sab hauv sab nrauv ua ke nrog dej txheej yog tsim, micelle nyob rau hauv thaum ntxov yaj theem nyob rau hauv adhesive tov, vim qhov loj me, zoo li asymmetry, thiab ua ke nrog cov dej maj mam tsim network qauv, ntim loj heev, Yog li ntawd, nws muaj peev xwm adhesion muaj zog:
    * Nyob rau hauv cov xwm txheej ntawm qhov tsawg npaum li cas, zoo kho rheology ntawm glaze muab tshuaj txhuam, yooj yim rau siv glaze;
    * Txhim kho qhov kev sib txuas ntawm qhov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob
    * High glaze fineness, ruaj khov glaze muab tshuaj txhuam, thiab tuaj yeem txo cov pinhole ntawm sintered glaze;
    * Zoo heev dispersion thiab kev tiv thaiv colloid kev ua tau zoo, tuaj yeem ua rau glaze slurry nyob rau hauv lub xeev dispersion ruaj khov;
    * Ua kom zoo dua qhov nro ntawm glaze, tiv thaiv dej los ntawm glaze diffusion rau lub cev, ua rau kom smoothness ntawm glaze;
    * Tsis txhob tawg thiab luam ntawv tawg thaum lub sij hawm xa khoom vim qhov poob ntawm lub zog ntawm lub cev tom qab glazing.

    Ntim

    piav 2