Polyanionic Cellulose (PAC) da sodium Carboxymethyl Cellulose (CMC)

Polyanionic cellulose (PAC) da sodium carboxymethyl cellulose (CMC) duka cellulose abubuwan da aka yadu amfani da su a daban-daban masana'antu domin thickening, stabilizing, da rheological Properties. Yayin da suke raba wasu kamanceceniya, kuma suna da bambance-bambance daban-daban dangane da tsarin sinadarai, kadarori, da aikace-aikace. Ga kwatance tsakanin PAC da CMC:

1. Tsarin Sinadarai:
   • PAC: Polyanionic cellulose shine polymer mai narkewa da ruwa wanda aka samo daga cellulose ta hanyar gabatarwar carboxymethyl da sauran ƙungiyoyin anionic akan kashin bayan cellulose. Ya ƙunshi ƙungiyoyin carboxyl da yawa (-COO-) tare da sarkar cellulose, yana mai da shi anionic sosai.
   • CMC: Sodium carboxymethyl cellulose shi ma wani ruwa-mai narkewa polymer polymer samu daga cellulose, amma shi sha wani takamaiman carboxymethylation tsari, sakamakon maye gurbin hydroxyl kungiyoyin (-OH) da carboxymethyl kungiyoyin (-CH2COONa). CMC yawanci ya ƙunshi ƙananan ƙungiyoyin carboxyl idan aka kwatanta da PAC.
2. Yanayin Ionic:
   • PAC: Polyanionic cellulose yana da anionic sosai saboda kasancewar ƙungiyoyin carboxyl da yawa tare da sarkar cellulose. Yana nuna ƙaƙƙarfan kaddarorin musanya ion kuma galibi ana amfani da shi azaman wakili mai sarrafa tacewa da gyare-gyaren rheology a cikin rijiyoyin hakowa na tushen ruwa.
   • CMC: Sodium carboxymethyl cellulose shima anionic ne, amma matsayinsa na anionicity ya dogara da matakin maye gurbin (DS) na ƙungiyoyin carboxymethyl. Ana yawan amfani da CMC azaman mai kauri, mai daidaitawa, da mai gyara danko a aikace-aikace daban-daban, gami da abinci, magunguna, da samfuran kulawa na sirri.
3. Dankowa da Rheology:
   • PAC: Polyanionic cellulose yana nuna babban danko da halayen ɓacin rai a cikin bayani, yana mai da shi tasiri azaman mai kauri da mai gyara rheology a cikin hakowar ruwa da sauran aikace-aikacen masana'antu. PAC na iya jure yanayin zafi da matakan gishiri da aka fuskanta a ayyukan rijiyoyin mai.
   • CMC: Sodium carboxymethyl cellulose shima yana nuna danko da kaddarorin gyare-gyare na rheology, amma dankonsa yawanci yana da ƙasa idan aka kwatanta da PAC. CMC yana samar da ƙarin kwanciyar hankali da mafita na pseudoplastic, yana sa ya dace da aikace-aikacen da yawa, gami da abinci, kayan kwalliya, da magunguna.
4. Aikace-aikace:
   • PAC: Polyanionic cellulose ana amfani da shi da farko a cikin masana'antar mai da iskar gas azaman wakili mai sarrafa tacewa, rheology modifier, da mai rage asarar ruwa a cikin hakowa. Hakanan ana amfani dashi a cikin sauran aikace-aikacen masana'antu kamar kayan gini da gyaran muhalli.
   • CMC: sodium carboxymethyl cellulose yana da aikace-aikace iri-iri a cikin masana'antu daban-daban, ciki har da abinci da abubuwan sha (a matsayin mai kauri da mai daidaitawa), magunguna (a matsayin mai ɗaure da disintegrant), samfuran kulawa na sirri (a matsayin mai gyara rheology), yadi (a matsayin wakili mai ƙima) , da kuma masana'anta takarda (a matsayin ƙari na takarda).

yayin da duka polyanionic cellulose (PAC) da sodium carboxymethyl cellulose (CMC) sune abubuwan da aka samo asali na cellulose tare da kaddarorin anionic da makamantansu a wasu masana'antu, suna da bambance-bambance daban-daban dangane da tsarin sinadarai, kaddarorin, da takamaiman aikace-aikace. Ana amfani da PAC da farko a cikin masana'antar mai da iskar gas, yayin da CMC ke samun aikace-aikace masu yawa a cikin abinci, magunguna, kulawar mutum, masaku, da sauran masana'antu.