I-Sodium Carboxymethyl Cellulose (CMC)iphuma ku-cellulose kanye nempahla ye-polymer yemvelo enezici ezinhle kakhulu njengokuncibilika kwamanzi, i-viscosity kanye nokuqina. Ngenxa ye-biocompatibility yayo enhle, ukungabi nobuthi kanye nokuwohloka, i-CMC isetshenziswa kabanzi ekudleni, emithini, kumakhemikhali wansuku zonke, ukwenza amaphepha, izindwangu, ukumba uwoyela nezinye izimboni. Njengento ebalulekile yokusebenza, izinga lekhwalithi le-CMC lidlala indima ebalulekile yokuqondisa emikhakheni ehlukene.
1. Izakhiwo eziyisisekelo ze-CMC
Isakhiwo samakhemikhali se-AnxinCel®CMC siwukwethula amaqembu e-carboxymethyl (-CH2COOH) kuma-molecule e-cellulose, ukuze ibe nokuncibilika okuhle kwamanzi. Izakhiwo zayo eziyinhloko zihlanganisa:
Ukunyibilika kwamanzi: I-CMC ingakha isixazululo se-viscous esisobala emanzini futhi isetshenziswa kabanzi njenge-thickener noma i-stabilizer emikhiqizweni ehlukahlukene yoketshezi.
Ukuqina: I-CMC ine-viscosity ephezulu futhi ingakhuphula ngempumelelo ukuhambisana koketshezi futhi inciphise uketshezi loketshezi.
Ukuzinza: I-CMC ikhombisa ukuzinza okuhle kwamakhemikhali kumazinga we-pH ahlukene namazinga okushisa.
I-Biodegradability: I-CMC iphuma ku-cellulose yemvelo enokubola okuhle nokusebenza kwemvelo okuvelele.
2. Amazinga ekhwalithi we-CMC
Amazinga wekhwalithi we-CMC ayahlukahluka ngokuya ngezinkambu ezihlukene zokusetshenziswa nezidingo zokusebenza. Okulandelayo amanye amapharamitha ajwayelekile ekhwalithi:
Ukubukeka: I-CMC kufanele ibe yimpushana emhlophe noma emhlophe e-amorphous noma ama-granules. Akufanele kube khona ukungcola okubonakalayo kanye nezinto zangaphandle.
Okuqukethwe umswakama: Okuqukethwe umswakama we-CMC ngokuvamile aweqi ku-10%. Umswakama owedlulele uzothinta ukuzinza kwesitoreji se-CMC kanye nokusebenza kwayo ezinhlelweni zokusebenza.
I-Viscosity: I-Viscosity ingenye yezinkomba ezibalulekile ze-CMC. Ngokuvamile kunqunywa ngokulinganisa i-viscosity yesisombululo sayo se-aqueous nge-viscometer. Ukuphakama kwe-viscosity, kuqina umphumela wokujiya we-CMC. Ukugxila okuhlukile kwezixazululo ze-CMC kunezidingo ezihlukile ze-viscosity, ngokuvamile phakathi kuka-100-1000 mPa·s.
I-Degree of Substitution (inani le-DS): I-Degree of Substitution (DS) ingenye yezici ezibalulekile ze-CMC. Imele inani elimaphakathi lokushintshwa kwe-carboxymethyl kuyunithi ngayinye ye-glucose. Ngokuvamile, inani le-DS liyadingeka ukuthi libe phakathi kuka-0.6-1.2. Inani eliphansi kakhulu le-DS lizothinta ukuncibilika kwamanzi kanye nomphumela wokujiya we-CMC.
I-asidi noma inani le-pH: Inani le-pH lesisombululo se-CMC ngokuvamile lidingeka libe phakathi kuka-6-8. Ivelu ye-pH ephansi kakhulu noma ephezulu kakhulu ingase ithinte ukuzinza nomthelela wokusetshenziswa kwe-CMC.
Okuqukethwe komlotha: Okuqukethwe komlotha kungukuqukethwe kwezinto ezingaphili ku-CMC, okuvamise ukudingeka ukuthi kungadluli u-5%. Okuqukethwe komlotha okuphezulu kakhulu kungase kuthinte ukunyibilika kwe-CMC kanye nekhwalithi yohlelo lokusebenza lokugcina.
Ukunyibilika: I-CMC kufanele incibilike ngokuphelele emanzini ekamelweni lokushisa ukuze yakhe isixazululo esisobala, esimisiwe. I-CMC engancibiliki kahle ingase iqukathe ukungcola okungancibiliki noma i-cellulose yekhwalithi ephansi.
Okuqukethwe kwensimbi enzima: Okuqukethwe kwensimbi esindayo ku-AnxinCel®CMC kufanele kuthobelane namazinga kazwelonke noma emboni. Ngokuvamile kudingekile ukuthi inani eliphelele lezinsimbi ezisindayo akufanele lidlule u-0.002%.
Izinkomba ze-Microbiological: I-CMC kufanele ihlangabezane namazinga omkhawulo we-microbial. Kuye ngokusetshenziswa, i-CMC yebanga lokudla, i-CMC yebanga lezemithi, njll. idinga ukulawulwa okuqinile kokuqukethwe kwamagciwane ayingozi afana namagciwane, isikhunta, ne-E. coli.
3. Amazinga okusebenza e-CMC
Izinkambu ezihlukene zinezidingo ezihlukile ze-CMC, ngakho-ke amazinga okusebenza athile adinga ukwenziwa. Izindinganiso ezivamile zohlelo lokusebenza zihlanganisa:
Imboni yokudla: I-CMC yezinga lokudla isetshenziselwa ukuqina, ukuqiniswa, ukufakwa kwe-emulsification, njll., futhi iyadingeka ukuze kuhlangatshezwane namazinga okuphepha kokudla, njengokungenabo ubuthi, okungenabungozi, okungeyona i-allergenic, futhi inokuncibilika okuhle kwamanzi kanye ne-viscosity. I-CMC ingasetshenziswa futhi ukunciphisa amafutha futhi ithuthukise ukunambitheka nokuthungwa kokudla.
Imboni yezemithi: Njengomsizi wezidakamizwa ovamile, i-CMC yezinga lezemithi idinga ukulawulwa okuqinile kokungcola, okuqukethwe kwe-microbial, okungezona ubuthi, okungezona i-allergenicity, njll. Imisebenzi yayo eyinhloko ihlanganisa ukukhululwa okulawulwayo kwezidakamizwa, ukuqina, ukunamathela, njll.
Amakhemikhali ansuku zonke: Ezimonyoni, okokuhlanza kanye namanye amakhemikhali ansuku zonke, i-CMC isetshenziswa njenge-thickener, stabilizer, i-ejenti yokumisa, njll., futhi iyadingeka ukuze ibe nokuncibilika kwamanzi okuhle, i-viscosity nokuzinza.
Imboni yokwenza iphepha: I-CMC isetshenziswa njenge-adhesive, i-ejenti yokugqoka, njll. inqubo yokwenza iphepha, edinga i-viscosity ephezulu, ukuzinza kanye nezinga elithile lekhono lokulawula umswakama.
Ukuxhashazwa kwe-Oilfield: I-CMC isetshenziswa njengesithako samanzi kuketshezi lokumba lwe-oilfield ukuze kwandiswe i-viscosity futhi kuthuthukiswe uketshezi. Izicelo ezinjalo zinezidingo eziphezulu zokuncibilika kanye nekhono lokukhulisa i-viscosity le-CMC.
Ngokuthuthuka okuqhubekayo kwesayensi nobuchwepheshe,I-CMC, njengempahla ye-polymer yemvelo, izoqhubeka nokwandisa izindawo zayo zokusebenza. Lapho kwakhiwa izindinganiso zekhwalithi yezinto ze-CMC, ngaphezu kokucabangela izakhiwo zayo ezingokomzimba namakhemikhali, kuyadingeka futhi ukucubungulisisa izidingo zokusetshenziswa kwayo ukuze kuqinisekiswe ukuthi ingahlangabezana nezidingo zezinkambu zezimboni ezahlukene. Ukwakha izindinganiso ezinemininingwane futhi ezicacile kuyindlela ebalulekile yokuqinisekisa ikhwalithi nomthelela wokusetshenziswa kwemikhiqizo ye-AnxinCel®CMC, futhi kuyisihluthulelo sokuthuthukisa ukuncintisana kwemakethe kwezinto ze-CMC.
Isikhathi sokuthumela: Jan-15-2025