Cov dej tsis kam: Raws li cov dej ntws tawm, dej tsis kam yog qhov yooj yim tshaj plaws thiab tseem ceeb tshaj plaws. Feem ntau, emulsions nrog cov dej zoo kuj tuaj yeem khaws cov xim zaj duab xis pob tshab txawm tias tom qab tau xau dej ntev. Raws li cov kev ntsuas lub cev ib txwm muaj, cov dej tsis kam ntawm lub teeb xiav emulsion yog qhov zoo dua li ntawm cov tshuaj dawb lossis liab liab emulsion. Feem ntau, cov me dua cov particle me me, qhov zoo dua cov dej tsis kam, thiab qhov loj me ntawm qhov loj me me tuaj yeem raug txiav txim los ntawm cov tsos. : Qhov kev txiav txim ntawm cov me me loj: pob tshab> lub teeb xiav> Lub teeb ntsuab> Lub Teeb Liab> Milky Dawb. L elongation: Qhov ntau dua elongation, qhov zoo dua qhov tsawg-ntsuas tau yooj yim, thiab cov kua loj dua-rau-hmoov sib piv. Yog li ntawd, siab dua elongation ntawm cov emulsion yuav muaj kev them nqi zoo dua.
Adhesion: lub suab tsis muaj dej zoo yuav tsum muaj cov khoom nplaum zoo heev nrog lub hauv paus xis mas. Feem ntau, cov txheej txheem tshaj plaws tab sis feem ntau txoj kev yog kom tau txais emulsion ntawm koj txhais tes, thiab tom qab ntawd cia nws qhuav ib txwm. Ntawm ib sab tes, cov nyuab teeb ntawm emulsion yog soj ntsuam. Yog tias nws nyuaj rau rub tawm ntawm koj txhais tes, nws ua pov thawj tias cov nplaum ntawm emulsion yog qhov zoo dua. Lwm txoj hauv kev yog los sib xyaw emulsion nrog cov cement, thiab tom qab ntawd ua rau nws nyob saum npoo av. , uas ua pov thawj tias cov nplaum ntawm cov emulsion yog tus tsis zoo. Yog tias ib qho zoo emulsion yog tov nrog xis mas thiab qhuav, nws tsis yooj yim yuav tsum tau ua kom poob qis.
Kev tiv thaiv ib puag ncig: Polymer dej emulsions yog txhua tus txheej txheem polyshology, yog li cov khoom siv siab dua thiab cov mis cuam ncaj qha cuam tshuam nrog synthesis efficiency. Rau emulsions nrog cov synthesis efficiency, dawb monomer cov ntsiab lus yuav ib txwm muaj siab, thiab cov monomer dawb yuav yog ib txwm muaj siab. Nws yog tshuaj lom. Qhov siab dua qib, muaj kev phom sij ntau dua rau tib neeg lub cev. Feem ntau, cov ntsiab lus ntawm cov monomers dawb tuaj yeem raug txiav txim los ntawm tus ntxhiab tsw. Ntawm qhov tod tes, nws yog ib qho yooj yim los tsim cov roj ammonia tom qab cov polymer waterproof thiab xis mas yog kev sib xyaw, txawm tias cov pa roj ammonia tsis muaj kev phom sij rau tib neeg lub cev. Txawm li cas los xij, yog tias cov kev tsim kho yog nqa tawm hauv chav dej kaw, hauv qab daus, nws yog qhov yooj yim rau kev ua kom muaj pa ntawm ammonia rau ib cheeb tsam kom muaj ntau dhau. Ua haujlwm nyob rau hauv xws li ib puag ncig rau lub sijhawm ntev tau yooj yim coj mus hlawv ntawm lub ntswg mucosa.
Huab cua Kuj: huab cua Kuj muaj huab cua tsis kam ntawm polymer waterproofing yog qhov zoo dua li ntawm polyurethane-butadeiene roj hmab. Cov huab cua tsis kam ntawm Acrylic yog qhov zoo, tab sis tus nqi yog ntau dua li ntawm STYRENE-acrylic emulsion. Qhov sib txawv ntawm cov styrene-acrylic polymer emulsion thiab cov khoom siv dej tsis kam siv, Styrene-acrylic polymer feem ntau siv emulsion, tus nqi tsim nyog, huab cua zoo tsis kam.
Lub Sijhawm Post: Apr 2013 27-2022