Dab tsi yog txias-thov cov kuab tshuaj-raws li kev cim cov kob? Ib qho yooj yim txheej txheem cej luam
Txias-thov cov kuab tshuaj-raws li kev npav xim yog ib qho kev siv tsheb khiav ntev thiab cov cim ntawm txoj kev, chaw nres tsheb, thiab chaw nres tsheb. Tsis zoo li kub-yaj cim uas xav tau cua sov ua ntej thov, cov xim pleev xim no tuaj yeem siv tau ncaj qha rau qhov kub ib txwm muaj. Nws cov qauv feem ntau suav nrog cov xim rau xim, Resins rau zaj duab xis uas pab cov tshuaj viscosity zoo thaum ntawv thov.
Ib qho ntawm cov ntsiab lus tseem ceeb ntawm kev siv cov xim ntawm txoj kev tsheb xim yog nws cov nplaum muaj zog rau ntau qhov chaw, suav nrog kev asphalt thiab pob zeb. Nws ua cov txheej du, ruaj ruaj uas tiv thaiv huab cua, lub tsheb hnav, thiab muaj kuab tshuaj me me. Vim tias nws tau siv los ntawm cov kuab tshuaj evaporation, nws muaj lub sijhawm kho sai, uas yuav pab txo cov kev cuam tshuam ntawm kev tsim kho lossis txij nkawm haujlwm.
Cov xim pleev xim no tau xaiv dav rau ib puag ncig uas cov ntawv thov ceev ceev thiab kev ua tau zoo-ua tau zoo yog qhov tseem ceeb. Nws yog qhov haum rau hauv nroog, kev tsim kho kev tsim kho ib ntus, thiab thaj chaw uas cov khoom kub yaj yuav tsis muaj tswv yim. Txawm li cas los xij, qhov chaw dim pa thiab kev nyab xeeb yog qhov tseem ceeb thaum siv, raws li cov kuab tshuaj tso tawm volatile cov organic sib xyaw (vocs) thaum ziab.
Zuag qhia tag nrho, kev siv cov tshuaj txias-ua kom zoo-raws li kev cim xim muab cov kev ntseeg tau thiab siv tau rau txhua hnub kev tswj hwm. Nws tau yooj yim ntawm daim ntawv thov, sib xyaw nrog ntau qhov chaw, thiab kev vam khom rau kev xaiv ntev rau kev tswj txoj kev taw qhia meej thiab pom kev.
