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emulsifying tus neeg sawv cev M30 / A-102W
Emulsifier yog ib yam khoom uas muaj peev xwm ua kom sib tov ntawm ob los yog ntau tshaj immiscible Cheebtsam tsim ib tug ruaj khov emulsion.Nws txoj kev txiav txim yog nyob rau hauv tus txheej txheem ntawm emulsion, lub dispersed theem nyob rau hauv daim ntawv ntawm droplets (microns) dispersed nyob rau hauv lub nruam theem, nws txo qhov nro ntawm lub ntsej muag ntawm txhua qhov sib xyaw hauv cov txheej txheem sib xyaw, thiab cov dej ntws los tsim cov yeeb yaj kiab los yog vim yog tus nqi ntawm emulsifier tau muab rau hauv cov tee dej. nto tsim ntawm hluav taws xob ob txheej txheej, tiv thaiv cov tee dej sib sau ua ke, thiab kom muaj kev sib txuam ntawm emulsion.Los ntawm ib theem taw tes ntawm kev pom, cov emulsion tseem yog heterogeneous.The dispersed theem nyob rau hauv lub emulsion yuav yog dej theem lossis roj theem, feem ntau yog roj theem.Cov theem txuas ntxiv tuaj yeem yog roj lossis dej, thiab feem ntau ntawm lawv yog dej.Ib qho emulsifier yog surfactant nrog pab pawg hydrophilic thiab pab pawg lipophilic hauv Nyob rau hauv thiaj li yuav qhia cov hydrophilic los yog lipophilic zog ntawm emulsifier, "hydrophilic lipophilic equilibrium tus nqi (HLB tus nqi)" feem ntau yog siv. Qhov qis dua tus nqi HLB, qhov muaj zog lipophilic zog ntawm emulsifier.Thiab qhov tsis sib xws, tus nqi HLB siab dua, qhov muaj zog dua hydrophilicity.Various emulsifiers muaj cov nqi sib txawv HLB. Txhawm rau kom tau txais cov emulsion ruaj khov, cov emulsifiers tsim nyog yuav tsum raug xaiv.
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Tus neeg sawv cev saum npoo av M31
Emulsifier yog ib yam khoom uas muaj peev xwm ua kom sib tov ntawm ob los yog ntau tshaj immiscible Cheebtsam tsim ib tug ruaj khov emulsion.Nws txoj kev txiav txim yog nyob rau hauv tus txheej txheem ntawm emulsion, lub dispersed theem nyob rau hauv daim ntawv ntawm droplets (microns) dispersed nyob rau hauv lub nruam theem, nws txo qhov nro ntawm lub ntsej muag ntawm txhua qhov sib xyaw hauv cov txheej txheem sib xyaw, thiab cov dej ntws los tsim cov yeeb yaj kiab los yog vim yog tus nqi ntawm emulsifier tau muab rau hauv cov tee dej. nto tsim ntawm hluav taws xob ob txheej txheej, tiv thaiv cov tee dej sib sau ua ke, thiab kom muaj kev sib txuam ntawm emulsion.Los ntawm ib theem taw tes ntawm kev pom, cov emulsion tseem yog heterogeneous.The dispersed theem nyob rau hauv lub emulsion yuav yog dej theem lossis roj theem, feem ntau yog roj theem.Cov theem txuas ntxiv tuaj yeem yog roj lossis dej, thiab feem ntau ntawm lawv yog dej.Ib qho emulsifier yog surfactant nrog pab pawg hydrophilic thiab pab pawg lipophilic hauv Nyob rau hauv thiaj li yuav qhia cov hydrophilic los yog lipophilic zog ntawm emulsifier, "hydrophilic lipophilic equilibrium tus nqi (HLB tus nqi)" feem ntau yog siv. Qhov qis dua tus nqi HLB, qhov muaj zog lipophilic zog ntawm emulsifier.Thiab qhov tsis sib xws, tus nqi HLB siab dua, qhov muaj zog dua hydrophilicity.Various emulsifiers muaj cov nqi sib txawv HLB. Txhawm rau kom tau txais cov emulsion ruaj khov, cov emulsifiers tsim nyog yuav tsum raug xaiv
