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I-Emulsification kanye ne-solubilization yama-surfactants
Ama-surfactants ayikilasi elikhulu lezinhlanganisela eziphilayo ezinezakhiwo ezihlukile, izinhlelo zokusebenza ezivumelana nezimo kakhulu nezisebenza kabanzi, kanye nenani elikhulu elisebenzayo. Ama-surfactants asetshenziswe njengama-emulsifiers, okokuhlanza, okokumanzisa, ama-ejenti angenayo, amagwebu, izinyibilikisi, izisabalalisi, izinto ezilengayo, izinciphisi zamanzi zikasimende, izinto ezithambisa indwangu, izinto zokulinganisa, izinto ezilungisayo, izibulala magciwane, ama-catalyst, ama-ejenti angangeni manzi, ama-anti-fouling, okothambisa. , ama-ejenti enkungu ene-asidi, ama-ejenti avimbela uthuli, ama-preservatives, ama-ejenti asakazayo, ama-thickeners, ama-ejenti angena kulwelwesi, ama-flotation agents, ama-leveling, ama-agent asusa uwoyela, ama-anti-caking agents, ama-deodorizers, ama-anti-static agents, ama-modifiers angaphezulu kanye nenqwaba yamanye ama-reagents asebenzayo ekuphileni kwansuku zonke kanye nemikhakha eminingi yokukhiqiza yezimboni nezolimo. Ngaphezu kokusetshenziswa kakhulu ezimbonini zokuhlanza nezimonyo, ama-surfactants nawo asetshenziswa njengezithasiselo noma izithasiselo ezimbonini zendabuko ezifana nokudla, ubisi, ukwenza iphepha, isikhumba, ingilazi, uphethiloli, imicu yamakhemikhali, izindwangu, ukuphrinta nokudaya, ukudweba, imithi. , izibulala-zinambuzane, ifilimu, izithombe, i-electroplating, ukucubungula insimbi, ukucubungula amaminerali, izinto ezintsha, izimboni ukuhlanza, ukwakhiwa, kanye nezinkambu zobuchwepheshe obuphezulu. Nakuba ngokuvamile zingezona izinsika zomkhiqizo wezimboni, zingadlala indima ebalulekile ekwengezeni isiphetho sokukhiqizwa kwemikhiqizo ehlukahlukene. Nakuba ukusetshenziswa kwayo kungekukhulu, kungadlala indima ebalulekile ekwandiseni ukuhlukahluka komkhiqizo, ukunciphisa ukusetshenziswa, ukonga amandla, kanye nokwenza ngcono ikhwalithi.
Ukuthambekela kokukhula okuqhubekayo kwama-surfactants emhlabeni jikelele kunikeza indawo ekahle yangaphandle yokuthuthukiswa nokukhula kwemboni yezimonyo, futhi izidingo zesakhiwo somkhiqizo, ukuhlukahluka, ukusebenza, kanye nobuchwepheshe nazo ziyakhula. Ngakho-ke, kuyadingeka ukuthuthukisa ngokuhlelekile ama-surfactants aphephile, athambile, angabola kalula, futhi anemiphumela ekhethekile, okuhlinzeka ngesisekelo sethiyori sokuthuthukiswa nokusebenzisa imikhiqizo emisha. Kufanele sigxile ekuthuthukiseni ama-surfactants e-glycoside, okuhlanganisa ama-polyols ahlukahlukene kanye nama-surfactants otshwala; Ucwaningo oluhlelekile nokuthuthukiswa kwama-soybean phospholipid surfactants; Yakha uchungechunge lwemikhiqizo ye-sucrose fatty acid uviniga, uqinise ucwaningo ngobuchwepheshe bokuhlanganisa, futhi wandise ububanzi bokusetshenziswa kwemikhiqizo ekhona.
Isenzo sokuhlanganisa ngokulinganayo izinto ezingancibiliki emanzini ukuze kwakhiwe i-emulsion ibizwa ngokuthi i-emulsification. Ama-Emulsifiers asetshenziswa kakhulu ekukhiqizeni okhilimu kanye ne-lotion ezimonyoni. Ukhilimu weqhwa ovamile osuselwe kumpushana kanye nokhilimu weqhwa we-Zhongxing womabili ama-emulsion we-O/W, angafaniswa ngensipho ye-anionic emulsifier fatty acid (insipho). Kulula ukukhiqiza ama-emulsions anokuqukethwe kwamafutha amancane ngokufaka i-emulsifying ngensipho, futhi umphumela we-gelling wensipho ungenza kube ne-viscosity ephakeme. Kuma-creams abandayo aqukethe inani elikhulu lesigaba samafutha, ama-emulsion ngokuvamile awuhlobo lwe-W/O, futhi ama-emulsion emvelo e-lanolin anokumuncwa kwamanzi aphezulu kanye ne-viscosity angakhethwa ukuze afakwe emulsification. Okusetshenziswa kakhulu okwamanje ama-non-ionic emulsifiers, ngenxa yokuphepha kwawo nokucasuka okuphansi.
Isenzo sokwandisa ukunyibilika kwezinto ezincibilika kancane noma ezingancibiliki kubizwa ngokuthi i-solubilization. Lapho ama-surfactants engezwa emanzini, ukushuba kwesimo samanzi kuqala ukwehla kakhulu, okuholela ekwakhekeni kwama-micelles lapho ama-molecule e-surfactant ehlangana khona. Ukuhlangana kwama-surfactants asetshenziselwa ukwenza ama-micelles kubizwa ngokuthi i-critical micelle concentration. Uma ukuhlangana kwama-surfactants kufinyelela ekugxilweni okubalulekile kwe-micelle, ama-micelles angakwazi ukukhangisa uwoyela noma izinhlayiya eziqinile ekugcineni kweqembu le-lipophilic, ngaleyo ndlela akhulise ukunyibilika kwezinto ezincane ezincibilikayo noma ezingancibiliki.
Ukwengeza ama-solvents ezimonyoni kusetshenziswa ikakhulukazi ekukhiqizeni ama-toners, amafutha ezinwele, nama-ejenti okukhula kwezinwele kanye nokondla. Izingxenye ezinamafutha ezimonyoni, njengeziqholo, amafutha, namavithamini ancibilikayo kuwoyela, zinezinhlobo ezihlukene zokuxazululeka ngenxa yomehluko wazo wesakhiwo kanye ne-polar. Ngakho-ke, ama-surfactants afanelekile kufanele akhethwe njengama-solubilizer. Uma izinto ezincibilikisayo ze-toner zingamakha, amafutha, nemithi, i-alkyl polyoxyethylene ether ingasetshenziselwa ukuhlanjululwa.
Nakuba ama-alkylphenol polyoxyethylene ethers (OP kanye ne-TX) enekhono eliqinile lokuhlanganisa, ayacasula emehlweni futhi ngokuvamile awasetshenziswa. Ngaphezu kwalokho, okuphuma ku-amphoteric okususelwa kuwoyela we-castor kunokuncibilika okuhle kakhulu kuwoyela wezinongo namafutha emifino, futhi lawa ma-surfactants awacasuli amehlo, awenza afanelekele ukulungisa izimonyo ezingacasuli njenge-shampoo.
Isikhathi sokuthumela: Nov-18-2024