Emibhalweni esekwe emanzini, ama-emulsions, amakhulu, ama-dispersants, ama-sols, ama-sollents, ama-ejenti okunciphisa anganciphisa ukungezwani kopende, futhi lapho lokhu kuncipha kunganele, ungakhetha i-ejenti yamanzi engaphezulu.
Uyacelwa uqaphele ukuthi ukukhetha okuhle kwe-ejenti ye-substrate emanzi kungathuthukisa impahla ebanzi yopende olwenziwe ngamanzi, ama-ejenti amaningi angenamanzi anamanzi anamanzi.
Izinhlobo zama-ejenti we-substrate emanzi yilezi: ama-anonic surfictants, ama-surycactants ansonic, ama-polyrene-modified polysiloxantes, njll. Izidingo eziyisisekelo ze-substrate emanzi asebekhuphukayo ekunciphiseni ukungezwani okuphezulu, ukuhambisana okuhle (ikakhulukazi kwamanzi acwebezelayo Upende osuselwa), uvame ukuncibilika emanzini, bubble ephansi hhayi bubble ozinzile, uzwela oluphansi emanzini, futhi ngeke kubangele ukuphinde kunciphise izinkinga nokulahleka kokutholwa.
Ama-ejenti we-substrate asetshenziswayo asetshenziswayo angezengelumsebenzi we-ethylene oxide (ngokwesibonelo, uhlobo lwe-polyoxyethylene-NonyPhenol hlobo, uhlobo lwe-fluorocarbon polymerbon tharmer hlobo lwe-ejenti yokunciphisa ukungezwani okuphezulu kakhulu.
Umbono ongelona iqiniso, ethonywe ukukhangisa, ukuthi umphumela wokunciphisa ukungezwani komugqa wedwa kunqunywa uma kungamandla okusabalalisa kokuhlanganiswa okubaluleke kakhulu, futhi le mpahla ihlobene nokuhambisana kohlelo nokufanele ukungezwani komhlaba.
Amandla okusabalalisa i-ejenti enamanzi anganqunywa ngokulinganisa indawo elisakazayo yevolumu enikeziwe (0.05 ml) kapende engxenyeni engaphansi yepende ngemuva kokungezwa okuhlanganisiwe kwe-ejenti ye-substrate emanzi kupende. Ama-ejenti we-wetting.
Ezimweni eziningi, inani lokungezwani kwe-static surface alikwazi ukuvumelana nekhono elimanzi lopende ngesikhathi sokwakha, ngoba upende usensimini yengcindezi ngesikhathi sokwakha, futhi kunciphisa kakhulu ukungezwani. I-Fluorocarbon Surfactants ikakhulukazi inciphisa ukungezwani okuphezulu komhlaba, okungenye yezizathu zokuthi kungani ukusetshenziswa kwe-fluorocarbon surfactants kukhulu kakhulu kunaleyo yezilibhu.
Ukukhetha i-solvent efanelekile nakho kungaba nomphumela omuhle wokumanzisa we-substrate. Ngoba i-solvent iyahambisana nohlelo, ukungezwani okunamandla okushukumisayo kuphansi.
Ukunakwa okukhethekile: Uma i-ejenti ye-substrate emanzi engakhethwanga kahle, izokwakha ungqimba olulodwa lwe-molecular ku-substrate, ngaleyo ndlela ukuhambisana nohlelo lokuhlanganisa alusekho okuhle, okuzothinta ukunamathela.
Ama-ejenti ambalwa ahlukahlukene angahlanganiswa ukuxazulula okumanzi okuyisisekelo okuyinkimbinkimbi.
Isikhathi sePosi: Aug-05-2022