Tsuas muaj ob chav kawm loj ntawm sulfate-hom anionic surfactants, ib qho yog lauryl sulfate (AS) thiab lwm yam yog polyoxyethylated rog cawv sulfate (AES).
Lub ntsej muag cawv polyoxyethylene ether sulfate yog cov ntsiab lus dav dav rau kev sib xyaw ntawm cov sib txawv polyoxyethylene cov lej ntxiv thiab cov ntawv sib txawv ntawm cov hlau. Nws yog tus thib ob loj tshaj plaws anionic surfactant nyob hauv lub ntiaj teb. Lub cev cawv cawv polyoxyethylene ether sulfate muaj zoo ua npuas ncauj thiab ntxuav lub zog, thiab tseem muaj qhov muaj zog tiv taus cov dej nyuaj thiab tsis tshua muaj dej kub solubility, tab sis tsis tiv taus acidic ib puag ncig thiab kub; nws lub viscosity siab yog haum rau khov khov kho lub cev. Nws tsis tshua haum rau cov khoom lag luam hauv cov qauv ua kua, xws li tshuaj zawv plaub hau, tshuaj pleev xim da dej, tshuaj ntxuav tais diav, lub tshuab tawv tawv ntxuav sab saum toj, tshuaj ntxhua khaub ncaws thiab ntxhua khaub ncaws. Ua raws li daim ntawv thov thiab qhov khoom, ntau dua polyoxyethylene ntxiv tus naj npawb yog ntau dua haum rau xab npum, qhov ntau hom tsawg dua yog tsim rau cov khoom tu tus kheej; cov ntsev ntsev yog tsim nyog rau cov xab npum, thiab cov ntsev ammonium yog qhov tsim nyog rau kev ntxuav tu cov khoom. Tos. Txawm hais tias dioxane, uas tsis zoo rau tib neeg lub cev, yuav tsim tawm thaum lub sijhawm txheej txheem ntau lawm, cov chaw tsim khoom thiab cov tuam txhab cov khoom siv sulfonation muaj peev xwm tswj tau nws kom muaj kev tso cai ntau lossis txawm tias xoom.
Lauryl sulfate ntsev yog ua kom zoo sib xws rau cov roj cawv polyoxyethylene ether sulfate. Qhov tseeb, qhov tom kawg feem ntau muaj cov qub, uas tsim los ntawm ncaj qha sulfation ntawm cov roj qaug cawv raw khoom uas tsis tau ua haujlwm rau polyoxyethylation. Hauv kev sib piv, cov roj ntsha muaj roj sulfates muaj qhov zoo ua npuas dej, ua haujlwm tsis zoo rau cov dej nyuaj, muaj zog degreasing muaj zog, ua tsis tau zoo nyob rau hauv dej txias, thiab zoo dua crystallinity, yog li lawv siv txawv. Piv txwv, cov cuab yeej siab foaming feem ntau siv sodium lauryl sulfate ua npuas ncauj hauv cov tshuaj txhuam hniav, thiab nws cov khoom ci ci feem ntau yog siv los ua cov hmoov lossis cov tshuaj ntxuav kom huv xws li ntaub pua plag tsev; cov dej solubility ntawm nws cov ntsev ammonium Nws ua kom zoo dua thiab tsis ua rau chim thiab yog li feem ntau siv tshuaj zawv plaub hau.
Tus Hu: Yi Fei
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