sodium carboxymethyl cellulose

Sodium carboxymethyl cellulose (CMC-Na) wani carboxymethylated wanda aka samu daga cellulose kuma shi ne mafi muhimmanci ionic cellulose danko. Sodium carboxymethyl cellulose yawanci wani anionic polymer fili shirya ta hanyar amsa halitta cellulose tare da caustic alkali da monochloroacetic acid, tare da kwayoyin nauyi jere daga dubban dubban zuwa miliyoyin. CMC-Na fari ne mai fibrous ko granular foda, mara wari, marar ɗanɗano, hygroscopic, mai sauƙin watsawa cikin ruwa don samar da ingantaccen maganin colloidal.

1. Bayanan asali

Sunan waje

Carboxymethylcellulose sodium

aka

Carboxymethyl ether cellulose sodium gishiri, da dai sauransu.

Kashi

fili

tsarin kwayoyin halitta

Saukewa: C8H16NaO8

CAS

9004-32-4

2. Halin jiki da sinadarai

CMC-Na a takaice, fari zuwa kodadde rawaya foda, granular ko fibrous abu, karfi hygroscopicity, sauƙi mai narkewa a cikin ruwa, da kuma bayani ne high danko ruwa lokacin da yake tsaka tsaki ko alkaline. Barga ga magunguna, haske da zafi. Duk da haka, zafi yana iyakance zuwa 80 ° C, kuma idan an yi zafi na dogon lokaci sama da 80 ° C, danko zai ragu kuma ba zai iya narkewa a cikin ruwa ba. Girman dangi shine 1.60, kuma ƙarancin dangi na flakes shine 1.59. Ma'anar refractive shine 1.515. Yana juya launin ruwan kasa lokacin zafi zuwa 190-205 ° C, kuma carbonizes lokacin zafi zuwa 235-248 ° C. Solubility a cikin ruwa ya dogara da matakin maye gurbinsa. Rashin narkewa a cikin acid da barasa, babu hazo idan akwai gishiri. Ba shi da sauƙi don ferment, yana da ƙarfin emulsifying mai ƙarfi ga mai da kakin zuma, kuma ana iya adana shi na dogon lokaci.

3. Babban aikace-aikace

Ana amfani da shi sosai a cikin masana'antar mai don hakar laka wakili, roba wanka, Organic wanka magini, yadi bugu da rini sizing wakili, ruwa mai narkewa colloidal tackifier ga yau da kullum sinadaran kayayyakin, tackifier da emulsifier ga Pharmaceutical masana'antu, thickener ga abinci masana'antu Thickener, m ga yumbu. masana'antu, masana'antu manna, sizing wakili ga takarda masana'antu, da dai sauransu An yi amfani da matsayin flocculant a cikin ruwa magani, yafi amfani a sharar gida sludge magani, wanda zai iya ƙara m abun ciki na tace cake.

Sodium carboxymethyl cellulose kuma wani nau'in thickener ne. Saboda kyawawan kaddarorin sa, an yi amfani da shi sosai a cikin masana'antar abinci, kuma ya inganta saurin ci gaban masana'antar abinci zuwa wani yanki. Alal misali, saboda da wasu thickening da emulsifying sakamako, shi za a iya amfani da su daidaita yogurt sha da kuma kara danko na yogurt tsarin; saboda wasu kaddarorinsa na ruwa da ruwa, ana iya amfani da shi don inganta cin taliya kamar burodi da biredi mai tururi. inganci, tsawaita rayuwar samfuran taliya, da haɓaka dandano; saboda yana da wani sakamako na gel, yana taimakawa wajen samar da gel mafi kyau a cikin abinci, don haka ana iya amfani dashi don yin jelly da jam; Hakanan za'a iya amfani da shi azaman fim ɗin shafa kayan abinci ana haɗa kayan da sauran masu kauri a shafa a saman wasu abinci, wanda zai iya sa abincin ya zama sabo sosai, kuma saboda kayan abinci ne, ba zai haifar da lahani ba. illa ga lafiyar dan adam. Sabili da haka, CMC-Na-abinci, azaman ƙari na abinci mai kyau, ana amfani dashi sosai a cikin samar da abinci a cikin masana'antar abinci.