Bitumen, uas yog qhov tseem ceeb tshaj plaws ntawm kev tiv thaiv dej bitumen, yog cov khoom sib xyaw hydrocarbon pom muaj nyob rau hauv cov chaw tso nyiaj xws li cov xuab zeb roj thiab cov pas dej pitch lossis tau los ntawm kev distillation ntawm cov roj nyoos hauv cov chaw ua roj. Thaum lub sijhawm distillation thaum cov khoom sib dua nce mus rau sab saum toj, cov khoom hnyav, suav nrog bitumen, poob rau hauv qab ntawm kem.

Tom qab tshem tawm cov feem me me xws li roj av ua kua, roj av, thiab diesel ntawm cov roj nyoos thaum lub sijhawm ua kom roj rov qab zoo, cov khoom seem hu ua bitumen. Qib ntawm bitumen tuaj yeem hloov pauv mus txog qhov muaj pes tsawg cov khoom siv volatile tseem nyob hauv cov bitumen uas tau lim.

Cov bitumen siv tau ua cov khoom siv raw lossis ua cov khoom sib tov nyob ntawm seb thaj chaw siv. Nws siv tau ua cov khoom sib txuas hauv asphalt rau txoj kev, txoj kev khiav, chaw nres tsheb, txoj kev taug kev. Nws kuj siv tau ua cov khoom sib tov hauv kev tsim kho vaj tse txij hauv qab nthab mus txog rau ru tsev kom muaj qhov zoo tiv thaiv dej.

Bitumen tuaj yeem hloov kho nrog cov polymers los txhim kho nws cov kev ua tau zoo thiab siv ua ntau yam khoom sib txawv hauv kev lag luam tsim kho. Nws ua haujlwm ua lub ntsiab lus tseem ceeb ntawmkev tiv thaiv dejcov ntaub ntawv hauv cov ntaub ntawv ntawm sealants, mastics, nplaum, txheej thiab lwm yam.

Vim li cas Bitumen thiaj nrov hauv Kev Lag Luam Waterproofing?

Ua ntej tshaj plaws, bitumen muaj ib txoj kev lag luam. Bitumen, uas tseem tshuav tom qab cov txheej txheem distillation roj nyoos, yog ib qho byproduct Thaum cov khoom tseem ceeb xws li roj av, diesel, roj octane siab thiab roj av raug ua kom huv si, cov bitumen raug tso tseg.

Tsis tas li ntawd xwb, bitumen yog ib yam khoom uas siv tau ntau yam. Nws qhia tau tias nws muaj viscoelastic thiab thermoplastic behaviors. Bitumen muaj ob qho tib si viscous thiab elastic behaviors nyob ntawm qhov kub thiab lub sijhawm thauj khoom. Thaum kub siab lossis thaum lub sijhawm thauj khoom ntev, bitumen ua haujlwm zoo li cov khoom siv viscous. Thaum kub qis lossis thaum lub sijhawm thauj khoom sai bitumen ua haujlwm zoo li cov khoom khov kho elastic.

Lub bitumen yaj tsis siab heev uas nws tuaj yeem yaj tau yooj yim thaum lub sijhawm siv. Cov bitumen muaj qhov nplaum zoo heev, uas ua rau cov khoom sib koom ua ke ruaj khov. Tag nrho cov yam ntxwv no ua pov thawj tias bitumen tiv thaiv dej yog ib qho ntawm cov kev daws teeb meem yooj yim tshaj plaws txog thaj chaw siv.

Cov Khoom Baumerk Bitumen Yog Dab Tsi Thiab Lawv Cov Zoo Li Cas?

Cov ntaub ntawv tiv thaiv dej bitumen muaj ntau yam kev siv. Ua tsaug rauBaumerk, koj tuaj yeem siv ntau hom khoom siv tiv thaiv dej bitumen rau ntau yam kev xav tau sib txawv. Cov khoom siv tiv thaiv dej bitumen hauv Baumerk cov khoom lag luam, uas yog ib lossis ob yam khoom sib xyaw nrog cov khoom khov thiab kua, muaj ntau yam zoo.

Piv txwv li, polyurethane thiab cov khoom hloov kho nrog roj hmab muaj rau ntau hom kev siv rau ntau yam khoom sib txawv. Tsis tas li ntawd, daim nyias nyias, txheej, mastic thiab sealant kuj muaj. Cov yam ntxwv dav dav ntawm cov khoom ua rau muaj kev nplaum zoo heev, elasticity, ua haujlwm ntev thiab ruaj khov, tiv taus kev sib txhuam siab, yooj yim siv thiab pheej yig.

Yog xav paub ntxiv txog lwm cov ntaub ntawv tiv thaiv dej thiab bitumen tiv thaiv dej, koj tuaj yeem saib peb cov ntsiab lus hu uaCov Khoom Siv Tiv Thaiv Dej Yog Dab Tsi: Txhua Hom, Siv, Thiab Nta.