Emikhiqizweni yokunakekelwa kwesikhumba, i-CMC (Carboxymethyl Cellulose) iyisithako esisetshenziswa kakhulu. Kuyi-polymer encibilika emanzini etholakala ku-cellulose yemvelo futhi isetshenziswa kakhulu emikhiqizweni ehlukahlukene yokunakekelwa kwesikhumba ngenxa yokuguquguquka kwayo nokuhambisana okuhle kwesikhumba.
1. I-thickener ne-stabilizer
Enye yezindima eziyinhloko ze-CMC emikhiqizweni yokunakekelwa kwesikhumba iwukuqina kanye nokuqiniswa. Ukuthungwa kanye ne-viscosity yemikhiqizo yokunakekelwa kwesikhumba ibalulekile ekuhlangenwe nakho komthengi. I-CMC inyusa i-viscosity yomkhiqizo, yenza imikhiqizo yokunakekelwa kwesikhumba ibe i-ductile futhi ibushelelezi esikhumbeni. Ngesikhathi esifanayo, ingakwazi futhi ukuzinzisa izinhlelo ze-multiphase ezifana nama-emulsion noma ama-gel ukuvimbela ukuhlukaniswa, i-agglomeration noma imvula, ngaleyo ndlela iqinisekise ukufana nokuzinza komkhiqizo. Ikakhulukazi kuma-emulsion, okhilimu namajeli, i-CMC inganikeza umkhiqizo ukuvumelana okusesilinganisweni, iwenze ube bushelelezi uma usetshenziswa futhi ilethe isipiliyoni somsebenzisi esingcono.
2. Okokuthambisa
I-CMC inokugcinwa kwamanzi okuhle. Ingenza ifilimu ephefumulayo ebusweni besikhumba, ivale umswakama endaweni yesikhumba, inciphise ukuhwamuka komswakama, futhi ngaleyo ndlela ibe nomphumela wokuthambisa. Lesi sici sikwenza kube isithako esijwayelekile emikhiqizweni yokunakekelwa kwesikhumba ethambisayo. Ikakhulukazi ezindaweni ezomile, i-CMC ingasiza ekugcineni umswakama wesikhumba, ivimbele ukoma kwesikhumba kanye nokuphelelwa amandla kwamanzi, ngaleyo ndlela ithuthukise ukuthungwa nokuthambile kwesikhumba.
3. Zinzisa uhlelo lwe-emulsified
Emikhiqizweni yokunakekelwa kwesikhumba equkethe ingxube yamanzi-amafutha, i-emulsification iyinqubo eyinhloko. I-CMC ingasiza ukuzinzisa uhlelo lwe-emulsified futhi ivimbele ukuhlukaniswa kwesigaba samanzi kanye nesigaba sikawoyela. Ngokuyisebenzisa ngokuhambisana namanye ama-emulsifiers, i-CMC ingenza i-emulsion ezinzile, yenze umkhiqizo ube bushelelezi futhi kube lula ukuwumunca ngesikhathi sokusetshenziswa.
4. Thuthukisa ukuzwa kwesikhumba
I-CMC ingaphinde ithuthukise umuzwa wesikhumba womkhiqizo emikhiqizweni yokunakekelwa kwesikhumba. Ngenxa yesakhiwo sayo se-polymer yemvelo, ifilimu eyakhiwe yi-CMC esikhumbeni ingenza isikhumba sizizwe sibushelelezi futhi sithambile ngaphandle kokuzizwa sinamafutha noma sinamathele. Lokhu kuyenza isetshenziswe emikhiqizweni eminingi yokunakekelwa kwesikhumba eqabulayo kanye nemikhiqizo yokunakekelwa kwesikhumba ebucayi.
5. Njenge-ejenti elengayo
Kweminye imikhiqizo yokunakekelwa kwesikhumba equkethe izinhlayiya ezingancibiliki noma izithako ezisebenzayo, i-CMC ingasetshenziswa njenge-ejenti elengayo ukusabalalisa ngokulinganayo lezi zinhlayiya noma izithako emkhiqizweni ukuze zingangeni phansi. Lolu hlelo lokusebenza lubaluleke kakhulu kwezinye izinto zokuhlanza ubuso, izikhuhla kanye nemikhiqizo yokunakekelwa kwesikhumba equkethe izinto eziyimbudumbudu.
6. Ukucasuka okuncane nokuphansi
I-CMC iyisithako esicasula kancane futhi esiphansi esilungele zonke izinhlobo zesikhumba, ngisho nesikhumba esibucayi kanye nemikhiqizo yokunakekela isikhumba sezingane. Lokhu kuyenza ibe isithako esithandwayo emikhiqizweni eminingi yokunakekelwa kwesikhumba. Ngenxa yemvelaphi yayo yemvelo kanye nokuvumelana okuhle kwe-biocompatibility, i-CMC ayibangeli ukungezwani komzimba nesikhumba noma ukungakhululeki ngemva kokusetshenziswa.
7. Umthwali wezithako
I-CMC ingasetshenziswa futhi njengesithwali sezinye izithako ezisebenzayo. Ngokuhlanganisa nezithako ezisebenzayo, i-CMC ingasiza lezi zithako ukuthi zisabalalise ngokulinganayo esikhumbeni, kuyilapho futhi ithuthukisa ukuzinza nokusebenza kwazo kokukhululwa. Isibonelo, emikhiqizweni emhlophe noma elwa nokuguga, i-CMC ingasiza izithako ezisebenzayo ukuthi zingene esikhunjeni kangcono futhi zithuthukise ukusebenza kahle komkhiqizo.
8. Nikeza ngomuzwa okhululekile wohlelo lokusebenza
I-CMC inganikeza imikhiqizo yokunakekelwa kwesikhumba ukuthinta okubushelelezi nokuthambile, ithuthukise ukunethezeka kwabathengi lapho besebenzisa umkhiqizo. Ingathuthukisa i-ductility yomkhiqizo, yenze kube lula ukuthi imikhiqizo yokunakekelwa kwesikhumba isatshalaliswe ngokulinganayo esikhumbeni futhi igweme ukudonsa isikhumba.
9. Thuthukisa impilo yeshalofu yemikhiqizo
Njengesiqiniseko nesijiya, i-CMC ingaphinda inwebe isikhathi seshalofu semikhiqizo yokunakekelwa kwesikhumba. Isiza imikhiqizo ukuthi igcine ukuthungwa kwayo kwasekuqaleni nokusebenza kahle ngesikhathi sokulondoloza ngokuvimbela izinkinga ezifana nokufakwa kuhlu kanye nemvula.
I-CMC idlala izindima eziningi emikhiqizweni yokunakekelwa kwesikhumba. Ayithuthukisi nje kuphela izakhiwo ezingokomzimba kanye nesipiliyoni sokusetshenziswa komkhiqizo, kodwa futhi ine-biocompatibility enhle nokucasuka okuphansi, futhi ifanele izinhlobo ezihlukahlukene zemikhiqizo yokunakekelwa kwesikhumba. Ngalesi sizathu, i-CMC isiphenduke isithako esibalulekile kumafomula amaningi okunakekelwa kwesikhumba.
Isikhathi sokuthumela: Aug-19-2024