Carboxymethylcellulose (CMC) wani ƙari ne na aiki wanda ake amfani dashi sosai a masana'antu daban-daban kamar abinci, magunguna, yin takarda, yadi, da ma'adinai.An samo shi daga cellulose na halitta, wanda ke da yawa a cikin tsire-tsire da sauran kayan halitta.CMC shine polymer mai narkewa da ruwa tare da kaddarorin musamman waɗanda suka haɗa da danko, hydration, adhesion da mannewa.
CMC halaye
CMC wani nau'in cellulose ne wanda aka gyara shi ta hanyar shigar da ƙungiyoyin carboxymethyl cikin tsarin sa.Wannan gyare-gyare yana haɓaka solubility da hydrophilicity na cellulose, don haka inganta ayyuka.Kaddarorin CMC sun dogara da matakin maye gurbinsa (DS) da nauyin kwayoyin halitta (MW).An bayyana DS a matsayin matsakaicin adadin ƙungiyoyin carboxymethyl a kowace naúrar glucose a cikin kashin bayan cellulose, yayin da MW ke nuna girma da rarraba sarƙoƙin polymer.
Ɗaya daga cikin mahimman kaddarorin CMC shine narkewar ruwa.CMC yana da sauƙi mai narkewa a cikin ruwa, yana samar da bayani mai danko tare da kayan pseudoplastic.Wannan halayyar rheological yana haifar da hulɗar intermolecular tsakanin kwayoyin CMC, wanda ya haifar da raguwa a cikin danko a ƙarƙashin damuwa mai ƙarfi.Halin pseudoplastic na hanyoyin CMC ya sa su dace da aikace-aikace iri-iri kamar su thickeners, stabilizers, da kuma wakilai masu dakatarwa.
Wani muhimmin sifa na CMC shine ikon yin fim.Ana iya jefa mafita na CMC a cikin fina-finai tare da kyawawan kaddarorin injiniyoyi, nuna gaskiya, da sassauci.Ana iya amfani da waɗannan fina-finai azaman sutura, laminates da kayan tattarawa.
Bugu da kari, CMC yana da kyawawan abubuwan haɗin gwiwa da haɗin kai.Yana samar da alaƙa mai ƙarfi tare da saman daban-daban, gami da itace, ƙarfe, filastik da masana'anta.Wannan kadarar ta haifar da amfani da CMC wajen samar da sutura, adhesives da tawada.
CMC danko
Dankowar hanyoyin CMC ya dogara da abubuwa da yawa kamar su maida hankali, DS, MW, zazzabi, da pH.Gabaɗaya, hanyoyin CMC suna nuna babban danko a mafi girman taro, DS, da MW.Danko kuma yana ƙaruwa tare da rage yawan zafin jiki da pH.
Ana sarrafa dankowar hanyoyin CMC ta hanyar hulɗar tsakanin sarƙoƙi na polymer da ƙwayoyin ƙarfi a cikin maganin.Kwayoyin CMC suna hulɗa da kwayoyin ruwa ta hanyar haɗin hydrogen, suna samar da harsashi mai ruwa a kusa da sarƙoƙi na polymer.Wannan harsashi na hydration yana rage motsi na sarƙoƙi na polymer, don haka ƙara danko na bayani.
Halin rheological na hanyoyin CMC yana da alamun da ke gudana ta hanyoyi masu gudana, wanda ke bayyana dangantakar da ke tsakanin raguwa da raguwa na maganin.Maganganun CMC suna nuna halayen kwarara waɗanda ba na Newtonian ba, wanda ke nufin cewa ɗanƙoƙin su yana canzawa tare da ƙimar ƙarfi.A ƙananan ƙananan ƙananan ƙananan ƙananan ƙananan ƙwayoyin cuta na CMC sun fi girma, yayin da a cikin ƙananan ƙima, raguwa yana raguwa.Wannan dabi'ar ɓacin rai ta kasance saboda sarƙoƙi na polymer daidaitawa da kuma shimfiɗawa a ƙarƙashin damuwa mai ƙarfi, wanda ke haifar da rage ƙarfin intermolecular tsakanin sarƙoƙi da raguwa a cikin danko.
Farashin CMC
Ana amfani da CMC sosai a fagage daban-daban saboda keɓancewar kaddarorin sa da halayen rheological.A cikin masana'antar abinci, ana amfani da CMC azaman mai kauri, stabilizer, emulsifier da inganta rubutu.Ana ƙara shi ga abinci irin su ice cream, abubuwan sha, miya da kayan gasa don inganta yanayin su, daidaito da rayuwar rayuwa.CMC kuma yana hana samuwar lu'ulu'u na kankara a cikin abincin daskararre, yana haifar da samfur mai santsi, mai tsami.
A cikin masana'antar harhada magunguna, ana amfani da CMC azaman mai ɗaure, rarrabuwa da wakili mai sarrafawa a cikin ƙirar kwamfutar hannu.Inganta matsawa da ruwa na foda kuma tabbatar da daidaito da kwanciyar hankali na allunan.Saboda kaddarorin sa na mucoadhesive da bioadhesive, CMC kuma ana amfani da shi azaman abin haɓakawa a cikin ƙirar ido, hanci, da na baka.
A cikin masana'antar takarda, ana amfani da CMC azaman ƙarar ƙarshen rigar, mai ɗaure mai dauri da wakilin latsa mai ƙima.Yana inganta riƙe ɓangaren litattafan almara da magudanar ruwa, yana ƙara ƙarfin takarda da yawa, kuma yana ba da wuri mai santsi da haske.CMC kuma yana aiki azaman shingen ruwa da mai, yana hana tawada ko wasu ruwaye shiga cikin takarda.
A cikin masana'antar yadi, ana amfani da CMC azaman wakili mai ƙima, bugu mai kauri, da ƙarin rini.Yana inganta mannewar fiber, yana haɓaka shigar launi da gyarawa, kuma yana rage juzu'i da wrinkles.CMC kuma yana ba da laushi da taurin kai ga masana'anta, dangane da DS da MW na polymer.
A cikin masana'antar hakar ma'adinai, ana amfani da CMC azaman mai flocculant, mai hanawa da gyaran rheology a cikin sarrafa ma'adinai.Yana inganta daidaitawa da tace daskararru, yana rage rabuwa da gangu na kwal, kuma yana sarrafa danko da kwanciyar hankali.CMC kuma yana rage tasirin muhalli na aikin hakar ma'adinai ta hanyar rage amfani da sinadarai masu guba da ruwa.
a karshe
CMC abu ne mai mahimmanci kuma mai kima wanda ke nuna kaddarori na musamman da danko saboda tsarin sinadarai da mu'amala da ruwa.Solubility, ikon samar da fina-finai, ɗaure da kaddarorin mannewa sun sa ya dace da aikace-aikace daban-daban a cikin abinci, magunguna, takarda, yadi da sassan ma'adinai.Za'a iya sarrafa danko na hanyoyin CMC ta hanyar abubuwa da yawa, irin su maida hankali, DS, MW, zafin jiki, da pH, kuma ana iya siffanta shi ta hanyar pseudoplastic da ɓacin rai.CMC yana da tasiri mai kyau akan inganci, inganci da dorewa na samfurori da matakai, yana mai da shi muhimmin sashi na masana'antar zamani.
Lokacin aikawa: Satumba-25-2023