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I-Emulsification kunye ne-solubilization ye-surfactants

I-surfactants ludidi olukhulu lweekhompawundi eziphilayo ezineepropathi ezikhethekileyo, ezibhetyebhetye kakhulu kwaye zisetyenziswa ngokubanzi, kunye nexabiso elikhulu elisebenzayo. Izinto zokuthambisa ziye zasetyenziswa njengeemulsifiers, izinto zokucoca, izinto zokumanzisa, izinto ezigqobhozayo, izinto ezilenza ugwebu, izinyibilikisi, izilahlisi, izinto ezixhomayo, izinciphisi zamanzi zesamente, izithambisa zelaphu, izinto zokulinganisa, izinto zokulungisa, izibulali ntsholongwane, izinto zokuthambisa, izinto zokuthintela amanzi, izinto zokuthambisa, izinto zokuthambisa. , ii-agent zenkungu ye-asidi, ii-arhente zokuqinisekisa uthuli, izigcina-mpahla, ii-agent ezisasaza, izityebi, i-membrane i-ejenti yokugqobhoza, i-agent ejikelezayo, i-agent yokulinganisa, i-oyile yokususa i-oyile, i-anti-caking agents, i-deodorizers, i-anti-static agents, i-modyuli yomphezulu kunye neninzi yezinye ii-reagents ezisebenzayo kubomi bemihla ngemihla kunye nemimandla emininzi yokuvelisa kunye nezolimo. Ukongeza ekusetyenzisweni ngokubanzi kwimizi-mveliso yokucoca kunye nezithambiso, ii-surfactants zikwasetyenziswa njengezincedisi okanye izongezo kumashishini emveli anjengokutya, ubisi, ukwenza iphepha, isikhumba, iglasi, i-petroleum, imicu yeekhemikhali, ilaphu, ukuprinta kunye nokudaya, ukupeyinta, amayeza. , izibulala-zinambuzane, ifilimu, ukufota, i-electroplating, i-metal processing, i-mineral processing, izinto ezintsha, i-industrial ukucoca, ukwakhiwa, kunye namasimi obugcisa obuphezulu. Nangona zihlala zingeyiyo eyona nto iphambili kwimveliso yeshishini, banokudlala indima ebalulekileyo ekongezeni ukugqiba ukuveliswa kweemveliso ezahlukeneyo. Nangona ukusetyenziswa kwayo kungekukhulu, kunokudlala indima ephambili ekwandiseni iindidi zemveliso, ukunciphisa ukusetyenziswa, ukonga amandla, kunye nokuphucula umgangatho.

Ukukhula okuzingileyo kwabantu abasebenzisa i-surfactants kwihlabathi jikelele kubonelela ngemeko-bume encomekayo yangaphandle kuphuhliso kunye nokukhula koshishino lwezithambiso, kwaye iimfuno zokwakheka kwemveliso, ezahlukeneyo, ukusebenza, kunye netekhnoloji nazo ziyanda. Ke ngoko, kuyimfuneko ukuphuhlisa ngokucwangcisiweyo i-surfactants ekhuselekileyo, ethambileyo, enokubola ngokulula, kwaye ineziphumo ezizodwa, ibonelela ngesiseko sethiyori kuphuhliso kunye nokusetyenziswa kweemveliso ezintsha. Kufuneka sigxininise ekuphuhliseni i-glycoside surfactants, kubandakanywa iipolyols ezahlukeneyo kunye ne-alcohol surfactants; Uphando olucwangcisiweyo kunye nophuhliso lwe-soybean phospholipid surfactants; Phuhlisa uthotho lweemveliso zeviniga ye-sucrose fatty acid, uqinise uphando kwitekhnoloji yokudibanisa, kwaye wandise umda wesicelo seemveliso ezikhoyo.

i-surfactant

Isenzeko sokufakwa ngokufanayo kwe-emulsion yezinto ezinganyibiliki emanzini ukuze zenze i-emulsion ibizwa ngokuba yi-emulsification. I-Emulsifiers isetyenziswa kakhulu kwimveliso ye-creams kunye ne-lotion kwizinto zokuthambisa. I-powder eqhelekileyo esekelwe kwi-snow cream kunye ne-Zhongxing cream yekhephu zombini zi-emulsions ze-O / W, ezinokuthi zifakwe i-anionic emulsifier fatty acid soap (isepha). Kulula ukuvelisa i-emulsions kunye ne-oyile encinci nge-emulsifying ngesepha, kwaye umphumo we-gelling wesepha unokwenza ukuba ube ne-viscosity ephezulu. Kwiikhrimu ezibandayo eziqulethe inani elikhulu lesigaba seoli, i-emulsions ininzi yohlobo lwe-W / O, kwaye i-emulsions ye-lanolin yendalo enokuxutywa kwamanzi aphezulu kunye ne-viscosity ingakhethwa kwi-emulsification. Eyona nto isetyenziswa kakhulu okwangoku zii-non-ionic emulsifiers, ngenxa yokhuseleko lwazo kunye nokucaphuka okuphantsi.

Isenzeko sokwandisa ukunyibilika kwezinto ezinyibilikayo kancinane okanye ezinganyibilikiyo kuthiwa yi-solubilization. Xa ii-surfactants zongezwa emanzini, ukuxinezeleka komphezulu kwamanzi kuqala ukuhla ngokukhawuleza, okukhokelela ekubunjweni kwee-micelles apho iimolekyuli ze-surfactant zihlangene. Ukuxinana kwee-surfactants ezisetyenziselwa ukwenza ii-micelles kubizwa ngokuba lugxininiso olubalulekileyo lwe-micelle. Xa i-concentration ye-surfactants ifikelela kugxininiso olubalulekileyo lwe-micelle, ii-micelles zinokubhengeza i-oyile okanye amasuntswana aqinileyo kwelinye icala leqela le-lipophilic, ngaloo ndlela inyusa ukunyibilika kwezinto ezincinci ezinyibilikayo okanye ezinganyibilikiyo.

ii-surfactants

Ukongeza izinyibilikisi kwizithambiso kusetyenziswa ikakhulu ukuveliswa kweetoni, ioyile yeenwele, ukukhula kweenwele kunye nezixhobo zesondlo. Amalungu e-oyile kwizinto zokuthambisa, ezinje ngevumba elimnandi, ioyile, kunye neevithamini ezinyibilikayo kwioyile, zineendlela ezahlukeneyo zokunyibilikisa ngenxa yomahluko wabo wesakhiwo kunye nepolar. Ke ngoko, ii-surfactants ezifanelekileyo kufuneka zikhethwe njenge-solubilizers. Ukuba izinto zokunyibilikisa ze-toner ziziqholo, i-oyile, kunye namayeza, i-alkyl polyoxyethylene ether ingasetyenziselwa ukunyibilikisa.

Nangona i-alkylphenol i-polyoxyethylene ethers (i-OP kunye ne-TX) inamandla e-solubilization eqinile, iyacaphukisa emehlweni kwaye ayisetyenziswa ngokubanzi. Ukongeza, izinto eziphuma kwi-amphoteric esekwe kwioyile ye-castor zinokunyibilika okugqwesileyo kwioyile yeziqholo kunye neoyile yemifuno, kwaye ezi zinto zixutywayo azicaphukisi emehlweni, zizenza zilungele ukulungiselela izithambiso ezingathukuthezi ezifana neshampu.


Ixesha lokuposa: Nov-18-2024