QXME 103P;Asphalt Emulsifier, Hydrogenated Tallow Amine, Stearyl Amine

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Tie txheej, tawg-los ntawm txheej: khoom emulsifier nrog tshwj xeeb siab viscosity uas ua rau kom ruaj khov ntawm CRS emulsions.

Txhim kho lub durability ntawm txoj kev pavement: Raws li ib tug binder nyob rau hauv asphalt sib tov, emulsified asphalt yuav ruaj khov khi cov pob zeb hais ua ke los tsim ib tug khoom pavement qauv, zoo heev txhim kho lub durability thiab siab tsis kam ntawm pavement.

Emulsified asphalt yog dav siv nyob rau hauv kev tsim kho, kho thiab rov tsim kho tej yaam num.Nws tuaj yeem siv los ua cov ntawv khi hauv asphalt sib tov kom zoo txhim kho cov kav ntev thiab ruaj khov ntawm txoj kev nto, thaum tseem txo cov nqi tsim kho thiab ib puag ncig muaj kuab lom.Tsis tas li ntawd, emulsified asphalt kuj tseem siv tau los ua cov txheej txheem dej tsis muaj dej, cov khoom siv ru tsev waterproofing thiab cov khoom siv hauv phab ntsa sab hauv, nrog rau kev ua haujlwm zoo heev.

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Emulsified asphalt paving ua nrog zoo emulsifiers simplifies ntawm qhov chaw tsim kho.Tsis tas yuav ua kom sov asphalt mus rau qhov kub ntawm 170 ~ 180 ° C ua ntej siv.Cov khoom siv ntxhia xws li xuab zeb thiab pob zeb tsis tas yuav qhuav thiab ua kom sov, uas tuaj yeem txuag tau ntau cov roj thiab cov cua sov..Vim tias cov asphalt emulsion muaj kev ua haujlwm zoo, nws tuaj yeem sib npaug ntawm qhov sib sau ua ke thiab muaj kev sib raug zoo nrog nws, yog li nws tuaj yeem txuag tau cov asphalt, yooj yim rau kev tsim kho, txhim kho kev tsim kho, thiab txo cov pa phem rau ib puag ncig. ib puag ncig.Vim cov txiaj ntsig zoo no, emulsified asphalt tsis yog tsuas yog haum rau kev paving txoj kev, tab sis kuj rau txoj kev nqes hav tiv thaiv sau embankments, waterproofing ntawm lub tsev ru tsev thiab caverns, nto anticorrosion ntawm hlau cov ntaub ntawv, ua liaj ua teb av txhim kho thiab cov nroj tsuag noj qab haus huv, tag nrho cov taug qab txaj ntawm railways, suab puam xuab zeb fixation, thiab lwm yam. Nws yog dav siv nyob rau hauv ntau tej yaam num.Vim tias emulsified asphalt tsis tuaj yeem txhim kho kev tsim kho tshuab ntawm kub asphalt, tab sis kuj nthuav dav daim ntawv thov ntawm asphalt, emulsified asphalt tau tsim sai heev.

Asphalt emulsifier yog ib hom surfactant.Nws cov qauv tshuaj muaj xws li lipophilic thiab hydrophilic pawg.Nws tuaj yeem raug adsorbed ntawm qhov sib cuam tshuam ntawm asphalt hais thiab dej, yog li txo qis lub zog dawb ntawm qhov sib cuam tshuam ntawm asphalt thiab dej, ua rau nws cov surfactant uas tsim cov emulsion zoo ib yam thiab ruaj khov.

Surfactant yog ib yam khoom uas tuaj yeem txo qhov nro ntawm cov dej thaum ntxiv me me, thiab tuaj yeem hloov pauv cov khoom sib txuas thiab lub xeev ntawm lub cev, yog li ua kom ntub dej, emulsification, foaming, ntxuav, thiab dispersion., antistatic, lubrication, solubilization thiab ntau lub zog kom tau raws li qhov yuav tsum tau ua ntawm kev siv tswv yim.

Tsis muaj teeb meem dab tsi ntawm surfactant, nws cov molecule yog ib txwm tsim los ntawm cov tsis muaj polar, hydrophobic thiab lipophilic hydrocarbon saw ib feem thiab ib pawg polar, oleophobic thiab hydrophilic.Ob qho no feem ntau nyob ntawm qhov chaw.Ob qhov kawg ntawm tus neeg sawv cev molecule tsim ib qho qauv asymmetric.Yog li ntawd, cov qauv molecular ntawm surfactant yog tus cwj pwm los ntawm amphiphilic molecule uas yog lipophilic thiab hydrophilic, thiab muaj kev ua haujlwm ntawm kev sib txuas cov roj thiab dej theem.

Thaum cov surfactants ntau tshaj qhov concentration hauv dej (qhov tseem ceeb micelle concentration), lawv tuaj yeem tsim micelles los ntawm cov nyhuv hydrophobic.Qhov zoo tshaj plaws emulsifier ntau npaum li cas rau emulsified asphalt yog ntau dua li qhov tseem ceeb micelle concentration.