Carboxymethyl Cellulose (CMC) jẹ aropọ ounjẹ ti o wọpọ, ati iyọ iṣu soda rẹ (sodium carboxymethyl cellulose) ni a lo bi ibon ati lẹẹ.Sodium carboxymethyl cellulose ojutu: omi farabale ṣugbọn iye ko le jẹ diẹ sii ju 0.5% - 0.7% iṣuu soda carboxymethyl cellulose ojutu mu iṣuu soda carboxymethyl cellulose 0.5g, fi omi 100ml, alapapo ati farabale, titi ti o fi tuka patapata.Fi omi kekere kan kun lati sanpada fun evaporation ṣaaju sise.(1) Aṣọ Layer tinrin ti ara ẹni pẹlu iṣuu soda carboxymethyl cellulose ojutu olomi (0.2% -- 0.5%) iye ti o yẹ sinu lẹẹmọ boṣeyẹ lori awo gilasi naa.Fun igba akọkọ, 1.85g silica gel ati 5ml sodium carboxymethyl cellulose aqueous ojutu ni a mu ati fi sinu ekan wara.Fun iyoku, 1.11g silica gel ati 3ml sodium carboxymethyl cellulose aqueous ojutu ni a mu ni igba kọọkan.Lilọ ni itọsọna kanna titi ti ko si o ti nkuta, mucus le jẹ laini.Cellulose adayeba jẹ pinpin pupọ julọ ati polysaccharide lọpọlọpọ ni iseda.Awọn imuposi iyipada lọwọlọwọ ti cellulose ni akọkọ idojukọ lori etherification ati esterification.Carboxymethylation jẹ ọkan ninu awọn imuposi etherification.Cellulose lẹhin carboxymethylation carboxymethyl cellulose (CMC), ojutu olomi rẹ ti nipọn, sisọ fiimu, isunmọ, idaduro omi, aabo colloidal, emulsification ati idadoro, ti a lo ni lilo pupọ ni epo, ounjẹ, oogun, aṣọ ati ile-iṣẹ iwe, jẹ ọkan ninu pataki julọ. ether cellulose
Sodium carboxymethyl cellulose (CMC) jẹ ẹya anionic cellulose ether, hihan funfun tabi die-die ofeefee flocculent okun lulú tabi funfun lulú, ko si olfato, tasteless, ti kii-majele ti;Tiotuka ninu omi tutu tabi omi gbona, ti o n ṣe ojutu sihin pẹlu iki kan.Ojutu naa jẹ didoju tabi ipilẹ kekere, insoluble ni ethanol, ether, isopropyl alcohol, acetone ati awọn nkan ti o nfo Organic miiran, ṣugbọn tiotuka ni ethanol tabi ojutu acetone ti o ni 60% omi.O jẹ hygroscopic ati iduroṣinṣin photothermal, ati iki dinku pẹlu ilosoke ti iwọn otutu.Ojutu naa jẹ iduroṣinṣin ni PH 2 ~ 10, ati pe PH kere ju 2. Awọn itọsi ti o lagbara wa, ati iki dinku nigbati iye PH ga ju 10. Iwọn otutu discoloration jẹ 227 ℃, iwọn otutu carbonization jẹ 252℃, ati ẹdọfu dada ti 2% ojutu olomi jẹ 71mn/n.
Sodium carboxymethyl cellulose (CMC) jẹ ẹya anionic cellulose ether, hihan funfun tabi die-die ofeefee flocculent okun lulú tabi funfun lulú, ko si olfato, tasteless, ti kii-majele ti;Tiotuka ninu omi tutu tabi omi gbona, ti o n ṣe ojutu sihin pẹlu iki kan.Ojutu naa jẹ didoju tabi ipilẹ kekere, insoluble ni ethanol, ether, isopropyl alcohol, acetone ati awọn nkan ti o nfo Organic miiran, ṣugbọn tiotuka ni ethanol tabi ojutu acetone ti o ni 60% omi.O jẹ hygroscopic ati iduroṣinṣin photothermal, ati iki dinku pẹlu ilosoke ti iwọn otutu.Ojutu naa jẹ iduroṣinṣin ni PH 2 ~ 10, ati pe PH kere ju 2. Awọn itọsi ti o lagbara wa, ati iki dinku nigbati iye PH ga ju 10. Iwọn otutu discoloration jẹ 227 ℃, iwọn otutu carbonization jẹ 252℃, ati ẹdọfu dada ti 2% ojutu olomi jẹ 71mn/n.
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