Cellulose Ether, Sodium Carboxymethyl Cellulose
Tasirin Adhesion
Adhesion na CMC a cikin slurry an dangana ga samuwar m cibiyar sadarwa tsarin ta hydrogen bonds da van der Waals sojojin tsakanin macromolecules.Lokacin da ruwa ya shiga cikin toshewar CMC, ƙungiyoyin hydrophilic tare da ƙarancin sha'awar ruwa suna kumbura, yayin da mafi yawan hydrophilic ke rabuwa nan da nan bayan kumburi.Ƙungiyoyin hydrophilic marasa daidaituwa a cikin samar da CMC suna haifar da rashin daidaituwa da tarwatsa girman ƙwayar micelles.Kumburin hydration yana faruwa a cikin micelles, yana samar da daurin ruwa a waje.A farkon mataki na rushewa, miceles suna da 'yanci a cikin colloid.Ƙarfin van der Waals a hankali yana kawo micelles tare, kuma ruwan da aka ɗaure ya samar da tsarin hanyar sadarwa saboda asymmetry na girma da siffar.Tsarin hanyar sadarwa na CMC mai fibrous yana da babban girma, mannewa mai ƙarfi, kuma yana rage lahani na glaze.
Tasirin levitation
Ba tare da ƙari ba, slurry glaze zai daidaita saboda nauyi a kan lokaci, kuma ƙara wani adadin yumbu bai isa ba don hana wannan daga faruwa.Duk da haka, ƙari na wani adadin CMC zai iya samar da tsarin hanyar sadarwa wanda ke goyan bayan nauyin kwayoyin glaze.Kwayoyin CMC ko ions suna shimfiɗa a cikin glaze kuma suna mamaye sararin samaniya, suna hana hulɗar juna na kwayoyin glaze da barbashi, wanda ke inganta yanayin kwanciyar hankali na slurry.Musamman ma, CMC da aka caje da mugunyar anions suna korar barbashi da aka caje mara kyau, wanda ke haifar da ƙarin dakatarwar slurry.Wannan yana nufin cewa CMC yana da kyakkyawan dakatarwa a cikin glaze slurry.Tsarin hanyar sadarwa da CMC ya kirkira kuma yana taimakawa wajen rage lahanin kyalkyali da tabbatar da ingantaccen shimfidar wuri.Gabaɗaya, CMC tana taka muhimmiyar rawa a cikin kwanciyar hankali da dakatar da glaze slurry, wanda ke da mahimmanci don cimma daidaito da sakamako mai inganci a cikin tsarin glazing.
Tambayoyin da za a yi la'akari lokacin zabar CMC
Yin amfani da CMC da ya dace wajen samar da glaze zai iya inganta ingancin samfurin ƙarshe.Don tabbatar da mafi kyawun sakamako, akwai maɓalli da yawa da za a bi.Da fari dai, yana da mahimmanci don bincika ƙayyadaddun ƙirar CMC kafin siye kuma zaɓi ƙayyadaddun da suka dace don samarwa.Lokacin ƙara CMC zuwa glaze yayin niƙa, zai iya taimakawa wajen inganta aikin niƙa.Hakanan ya kamata a ba da hankali ga rabon ruwa-zuwa-CMC lokacin zubar da ruwa don cimma matsakaicin sakamako.
Ya kamata a ƙyale slurry ɗin glaze ya ruɓe na kwana ɗaya ko biyu don tabbatar da cewa ya isa ya tsaya kuma CMC na iya yin tasiri mafi kyau.Hakanan yana da mahimmanci don daidaita adadin CMC da aka ƙara daidai da sauye-sauye na yanayi, tare da mafi yawan ƙarawa a lokacin rani, mafi ƙanƙanta a cikin hunturu, da kewayon 0.05% zuwa 0.1% tsakanin.Idan aka bar sashi ba canzawa a cikin hunturu, zai iya haifar da glaze mai gudu, jinkirin bushewa, da glaze mai ɗaci.Akasin haka, rashin isasshen adadin zai haifar da ƙaƙƙarfan wuri mai ƙyalli.
A lokacin rani, yawan zafin jiki na iya rage dankon CMC saboda tasirin kwayan cuta.Sabili da haka, wajibi ne don yin aikin rigakafin lalata da ƙara abubuwan da suka dace don kula da ingancin CMC.A ƙarshe, lokacin amfani da glaze, ana ba da shawarar toshe shi tare da raƙuman ruwa sama da raga 100 don hana ragowar CMC daga tasirin glaze yayin harbi.Ta bin waɗannan jagororin, CMC za a iya amfani da su yadda ya kamata a samar da glaze don inganta ingancin samfur.
