Carboxymethyl cellulose (CMC) ndi gawo lofunikira lachilengedwe la polima lomwe lagwiritsidwa ntchito kwambiri pamakampani a ceramic. Monga zomatira zosungunuka m'madzi, CMC imatha kupititsa patsogolo magwiridwe antchito a zida za ceramic, kulimbikitsa bata ndi kufananiza panthawi yokonza, ndikuwonjezera mtundu wa chinthu chomaliza.
1. Zinthu zoyambira za carboxymethyl cellulose
Carboxymethyl cellulose ndi chochokera ku cellulose, yomwe imakhala ndi madzi abwino kusungunuka, kumamatira komanso kukhuthala kudzera mukusintha kwamankhwala. Mapangidwe a maselo a CMC ali ndi magulu a carboxyl (-COOH), omwe amawathandiza kupanga yankho la colloidal m'madzi okhala ndi zomatira zabwino kwambiri komanso zotumphukira. Izi zimapangitsa CMC kukhala chowonjezera chofunikira pakupanga ceramic.
2. Kugwiritsa ntchito kupanga ceramic
2.1 Zomatira
Popanga zinthu za ceramic, CMC imagwiritsidwa ntchito ngati zomatira. Iwo akhoza bwino kumapangitsanso kugwirizana mphamvu pakati yaiwisi particles ndi kupewa akulimbana ndi mapindikidwe pa kuyanika ndi sintering. Mwa kukhathamiritsa kuchuluka kwa CMC yowonjezeredwa, mawonekedwe a rheological a slurry amatha kusinthidwa kuti azitha kugwira ntchito kwambiri pakuwumba.
2.2 Wowonjezera
CMC ili ndi katundu wokhuthala kwambiri ndipo itha kugwiritsidwa ntchito kusintha kukhuthala kwa ceramic slurry. Izi ndizofunikira kwambiri pamachitidwe monga kupopera mbewu mankhwalawa ndi kuthira, zomwe zitha kuonetsetsa kuti slurry ikhazikika panthawi yogwira ntchito ndikupewa mvula kapena stratification. Pa nthawi yomweyo, mamasukidwe akayendedwe oyenera akhoza kusintha fluidity wa slurry, kukhala kosavuta kudzaza nkhungu.
2.3 Wopambana
Mu kupanga ceramic, CMC Angagwiritsidwenso ntchito ngati dispersant kuthandiza kumwazikana particles mu ceramic zipangizo ndi kupewa agglomeration. Kuchita bwino kwa kubalalitsidwa kumathandizira kupititsa patsogolo kufanana ndi kachulukidwe ka zinthu za ceramic, potero kuwongolera mawonekedwe amakanika ndi mawonekedwe owoneka a chinthu chomaliza.
3. Zotsatira za CMC pa Ceramic Properties
Pambuyo powonjezera CMC, magwiridwe antchito a ceramic nthawi zambiri amakhala bwino. Kafukufuku wasonyeza kuti kuchuluka koyenera kwa CMC kumatha kupititsa patsogolo mphamvu zopondereza komanso kusinthasintha kwa zinthu za ceramic. Kuphatikiza apo, kuwonjezera kwa CMC kumathanso kukonza kusalala kwa pamwamba ndi gloss ya zoumba, kupanga chomaliza chokongola kwambiri.
4. Kukonda zachilengedwe kwa CMC
Poyerekeza ndi ma polima achikhalidwe, CMC, ngati polima yachilengedwe, ili ndi kuyanjana kwabwino komanso kuyanjana ndi chilengedwe. Kugwiritsa ntchito CMC mu njira yopanga ceramic sikungangowonjezera magwiridwe antchito, komanso kuchepetsa kuipitsidwa kwa chilengedwe komanso kuvulaza thupi la munthu, zomwe zimakwaniritsa zofunikira za chitukuko chokhazikika chamakono.
Kugwiritsa ntchito carboxymethyl cellulose mumsika wa ceramic kumawonetsa ntchito zake zingapo monga chomangira, chokhuthala komanso chomwaza. Mwa kukhathamiritsa kugwiritsa ntchito kwake, magwiridwe antchito ndi mtundu wa zinthu za ceramic zitha kuwongolera bwino, kulimbikitsa chitukuko chokhazikika chamakampani a ceramic. Ndikukula kwa kafukufuku komanso kupita patsogolo kwaukadaulo, chiyembekezo chogwiritsa ntchito CMC pakupanga ceramic chidzakhala chokulirapo.
Nthawi yotumiza: Nov-05-2024