Menene nau'in Cellulose ether?

Cellulose ethers rukuni ne daban-daban na polymers da aka samo daga cellulose, polysaccharide na halitta da aka samu a cikin tsire-tsire. Ana amfani da su sosai a masana'antu daban-daban, ciki har da gine-gine, magunguna, abinci, kayan shafawa, da kulawa na sirri, saboda kaddarorinsu na musamman da haɓaka. Anan akwai wasu nau'ikan ether da aka fi sani da cellulose:

1. Methyl Cellulose (MC):
   • Ana samar da methyl cellulose ta hanyar magance cellulose tare da methyl chloride don gabatar da kungiyoyin methyl akan kashin bayan cellulose.
   • Yana narkewa a cikin ruwan sanyi kuma yana samar da bayyananniyar mafita, danko.
   • Ana amfani da MC azaman mai kauri, ɗaure, da stabilizer a cikin aikace-aikace da yawa, gami da kayan gini (misali, turmi na tushen siminti, filasta na tushen gypsum), samfuran abinci, magunguna, da abubuwan kulawa na sirri.
2. Hydroxyethyl Cellulose (HEC):
   • Hydroxyethyl cellulose an haɗa shi ta hanyar amsa cellulose tare da ethylene oxide don gabatar da ƙungiyoyin hydroxyethyl akan kashin bayan cellulose.
   • Yana da narkewa a cikin ruwan sanyi kuma yana samar da bayyanannun, mafita mai ɗorewa tare da kyawawan abubuwan riƙe ruwa.
   • Ana amfani da HEC akai-akai azaman mai kauri, mai gyara rheology, da wakilin samar da fim a cikin fenti, adhesives, samfuran kulawa na sirri, da magunguna.
3. Hydroxypropyl Methyl Cellulose (HPMC):
   • Ana samar da Hydroxypropyl methyl cellulose ta hanyar gabatar da hydroxypropyl da ƙungiyoyin methyl akan kashin bayan cellulose.
   • Yana nuna kaddarorin masu kama da methyl cellulose da hydroxyethyl cellulose, gami da solubility na ruwa, ikon yin fim, da riƙe ruwa.
   • Ana amfani da HPMC sosai a cikin kayan gini (misali, tile adhesives, tushen siminti, mahadi masu daidaita kai), da kuma a cikin magunguna, samfuran abinci, da abubuwan kulawa na sirri.
4. Carboxymethyl Cellulose (CMC):
   • Carboxymethyl cellulose an samo shi daga cellulose ta hanyar magance shi da sodium hydroxide da monochloroacetic acid don gabatar da ƙungiyoyin carboxymethyl.
   • Yana narkewa a cikin ruwa kuma yana samar da bayyanannun, mafita mai kyawu tare da kyawawan kauri, daidaitawa, da kaddarorin riƙe ruwa.
   • Ana yawan amfani da CMC azaman mai kauri, ɗaure, da gyara rheology a cikin samfuran abinci, magunguna, yadi, takarda, da wasu kayan gini.
5. Ethyl Cellulose (EC):
   • Ana samar da Ethyl cellulose ta hanyar amsa cellulose tare da ethyl chloride don gabatar da kungiyoyin ethyl akan kashin bayan cellulose.
   • Ba shi da narkewa a cikin ruwa amma yana narkewa a cikin kaushi na halitta kamar ethanol da chloroform.
   • Ana amfani da EC a matsayin wakili mai samar da fim, ɗaure, da kayan shafa a cikin magunguna, samfuran abinci, kayan kwalliya, da aikace-aikacen masana'antu.

Waɗannan su ne wasu nau'ikan ether na cellulose da aka fi amfani da su, kowannensu yana ba da kaddarorin musamman da fa'idodi don aikace-aikace daban-daban. Sauran ethers na musamman na cellulose na iya kasancewa, waɗanda aka keɓance su da takamaiman buƙatu a masana'antu daban-daban.