Redispersible polymer hmoov tau hloov kho cov kev tsim kho los ntawm kev qhia cov ntaub ntawv tshiab uas tau txhim kho ntau yam kev ua haujlwm tshiab. Cov hmoov no tau siv nyob rau hauv cov tshuab cua sov kom muab cov khoom siv thermal zoo dua, txhim kho lub zog ntawm cov txheej txheem txheej, thiab txhim kho cov txheej txheem. Kab lus no tham txog kev ua kom zoo ntawm refispersible hmoov polymer muaj hmoov ntawm thermal rwb thaiv tsev tshuab.
Thermal rwb thaiv tsev yog cov qauv tseem ceeb ntawm ntau lub tsev tsim los yog nce los ntawm lub hnab ntawv lub tsev thiab tus nqi. Rwb thaiv tsev cov tshuab muaj ntau txheej ntawm cov ntaub ntawv tsim los kom maj mam hloov ntawm cov hnab ntawv ua kom sov los ntawm lub hnab ntawv ua vaj. Qhov ua tau zoo ntawm cov kab ke no yog cuam tshuam los ntawm ntau yam ntawm cov kev ua tuab, suav nrog cov rwb thaiv tsev, txheej txheem kev teeb tsa, thiab cov khoom siv zoo siv.
Redispersible polymer hmoov yog cov khoom siv hluavtaws tsim los ntawm cov tshuaj ntxuav dej kom qhuav dej polymer xws li vinyl acetate-ethylene (vae). Cov hmoov no yog ntau yam thiab tuaj yeem siv rau ntau cov ntawv thov, suav nrog cov tshuab cua sov. Thaum siv nyob rau hauv cov kab ke no, cov refispersible polymer hmoov ua raws li cov phau ntawv rwb thaiv tsev, thiab nce nws cov kev hloov pauv thiab ua kom tiav. Qhov no ua rau cov rwb thaiv tsev txheej txheem ua tau zoo, ruaj thiab yooj yim rau nruab.
Ib qho kev pab cuam tseem ceeb ntawm kev siv cov roj polymer polymer hauv rwb thaiv tsev cov tshuab yog lawv lub peev xwm los txhim kho adhesion. Cov hmoov polymer tuaj yeem sib raug zoo rau ntau yam ntawm substrates, suav nrog cov pob zeb ua, masonry thiab lwm yam kev tsim kho cov khoom siv. Qhov no txhais tau hais tias cov rwb thaiv tsev tuaj yeem txuas nrog lub hnab ntawv ua lub tsev, ua rau muaj zog dua, muaj kev txhim khu kev qha ntau dua, ntau dua txhim kho rwb. Raws li qhov tshwm sim, cov nqi zog yog txo thiab cov chaw ua ib puag ncig yog xis nyob dua.
Lwm qhov txiaj ntsig ntawm kev siv cov roj polymer polymer hauv rwb thaiv tsev cov tshuab yog tias lawv tuaj yeem ua kom lub zog ntawm lub rwb thaiv tsev. Cov hmoov no ua rau lub zog ntawm cov rwb thaiv tsev, uas ua rau nws cov kev ua tau zoo li kev puas tsuaj los ntawm ib puag ncig cov kev hloov pauv thiab cov av noo. Qhov no txhais tau tias cov txheej txheem rwb thaiv tsev kav ntev thiab tseem nyob rau lub sijhawm.
Redispersible polymer hmoov tseem yuav nce ntxiv thiab ua kom tiav ntawm cov tshuab rwb thaiv tsev. Cov hmoov no tuaj yeem ntxiv rau rwb thaiv tsev kom txhim kho nws txoj kev elasticity thiab txhim kho nws lub peev xwm los tiv thaiv kev txav mus los thiab kev co. Lawv kuj ua lub rwb thaiv tsev ntau dua, yog li nws yooj yim rau kev thov thiab kho cov kab ke kom haum cov kev teeb tsa kev teeb tsa tshwj xeeb.
Redispersible polymer hmoov yuav siv tau los ua kom rwb thaiv tsev ntau ib puag ncig. Cov hmoov no yog dej-raws li, uas txhais tau tias lawv tsis tshua muaj kev phom sij rau ib puag ncig tshaj cov nplaum ua cov nplaum. Ib qho ntxiv, lawv tuaj yeem siv nrog cov ntaub ntawv rwb thaiv tsev ib puag ncig xws li cov pob zeb hauv av, uas tuaj yeem pab txo cov hneev taw cov pa roj hmab ntawm kev tsim kho cov haujlwm.
Recispersible polymer hmoov muaj qhov zoo cuam tshuam rau cov tshuab hluav taws xob rwb thaiv tsev. Cov hmoov no pab txhawb kev zoo nkauj, nce lub zog ntawm rwb thaiv tsev, txhim kho cov txheej txheem, thiab ua kom cov rwb thaiv tsev ntau ib puag ncig. Nrog rau qhov tseem ceeb tshaj plaws ntawm kev tsim kho lub zog hauv kev tsim kho vaj tse, kev siv cov hmoov no tau dhau los ua ntau dua thiab nrov dua. Lawv cov txiaj ntsig tau pom tseeb raws li kev noj hluav taws xob txo qis thiab cov nqi, kev siv zog hauv tsev, thiab kev nplij siab ntawm kev tsim cov neeg ua haujlwm.
Lub Sijhawm Post: Feb-19-2025