Polyanionic cellulose (PAC) da sodium carboxymethyl cellulose (CMC) iri biyu ne na cellulose ethers da ke da irin sigar sinadarai da kaddarorin, amma sun bambanta a wasu mahimman fannoni.

PAC shine ether cellulose mai narkewa da ruwa wanda ke da babban matsayi na maye gurbin, ma'ana cewa yawancin ƙungiyoyin carboxymethyl suna haɗe zuwa kashin bayan cellulose.Ana amfani da PAC a matsayin mai ɗaukar hoto da mai rage asarar ruwa a cikin rijiyoyin haƙon mai saboda kyakkyawan riƙon ruwa, kwanciyar hankali, da kaddarorin kauri.

A daya bangaren kuma, CMC, ether ce mai narkewa da ruwa, wacce ake amfani da ita sosai a matsayin mai kauri, dauri, da daidaitawa a masana’antu daban-daban, wadanda suka hada da abinci, magunguna, kayan kwalliya, da samar da takarda.Ana samar da CMC ta hanyar amsawar cellulose tare da monochloroacetic acid don gabatar da ƙungiyoyin carboxymethyl a cikin kashin bayan cellulose.Matsayin maye gurbin CMC ya kasance ƙasa da na PAC, amma har yanzu yana ba da kyakkyawar riƙewar ruwa, kwanciyar hankali, da kaddarorin kauri.

Kodayake duka PAC da CMC sune ethers cellulose tare da kaddarorin iri ɗaya, sun bambanta a wasu mahimman fannoni.Misali, PAC yawanci ana amfani da shi a masana'antar hako mai saboda babban matakin maye gurbinsa da kyawawan kaddarorin rage asarar ruwa, yayin da ake amfani da CMC a cikin masana'antu daban-daban saboda ƙananan digiri na maye gurbinsa da haɓakawa a aikace-aikace daban-daban.

Gabaɗaya, PAC da CMC sune mahimman ethers cellulose tare da kaddarorin musamman da aikace-aikace.Yayin da aka fi amfani da PAC a masana'antar hako mai, CMC yana da fa'ida na aikace-aikace a cikin masana'antu daban-daban saboda versatility da ƙananan digiri na maye gurbinsa.