Redispersible looj cov hmoov yog ib qho khoom siv polymeral polymer dav siv hauv cov ntaub ntawv tsim hauv tsev, cov nplaum, cov xim nplaum thiab lwm hom kev lag luam. Los ntawm kev hloov pauv emulsion rau hauv cov hmoov pleev xim los ntawm cov tshuaj ntxuav tawm thaum siv cov khoom qub thiab muab cov haujlwm xws li adhesion thiab yooj.
1. Cov yam ntxwv ntawm Redispersible looj hmoov
Tus txheej txheem tseem ceeb ntawm redispersible looj cov hmoov zoo yog hloov cov txheej txheem tsim khoom, thiab tom qab ntawd rov ua cov emulsion nrog qee yam khoom los ntawm kev ntxiv cov dej. Nws cov qauv tshuaj tshwj xeeb ua rau nws siv dav hauv ntau thaj teb. Nws lub ntsiab lus tseem ceeb xws li ethylene-vinyl acetate copolymer (EVA), Acrylic Copolymer thiab Styrene-Butadiene roj hmab. Nws cov txheej txheem npaj suav nrog emulsion polonicion, tshuaj tsuag kom qhuav thiab lwm cov kauj ruam, muab nws cov khoom siv rau lub cev zoo nkauj thiab tshuaj lom neeg.
2. Qhov zoo hauv kev siv cov ntawv thov
Kev ua kom zoo dua cov khoom lag luam feem ntau tau txais txiaj ntsig zoo tshaj plaws ntawm redispersible looj hmoov yog nws cov khoom sib kho zoo. Ntxiv cov roj liab liab ntxiv rau cov ntaub ntawv tsim tsev, tshwj xeeb yog cov khoom siv caas raws thiab gypsum raws li cov khoom siv uas muaj zog ntawm cov khoom siv. Cov yeeb yaj kiab polymer tau tsim tom qab cov hmoov yas looj tau nkag mus rau hauv cov pores, ua ib qho kev sib txuas lus muaj zog nrog lub substrate, thiab txhim kho cov nplaum ntawm cov ntaub ntawv. Qhov no yog qhov taw qhia tseem ceeb rau cov khoom lag luam xws li cov pob zeb nplaum, sab nrauv phab ntsa rwb thaiv tsev tshuab, thiab cov caulking cov neeg sawv cev.
Txhim kho kom haum thiab tawg tsis kam rau qee cov ntawv thov, ntau dhau ntawm cov khoom tuaj yeem ua rau muaj teeb meem yooj yim, uas tuaj yeem ua rau muaj teeb meem tawg. Redispersible looj hmoov tuaj yeem muab cov khoom siv tau zoo, tshwj xeeb tshaj yog nyob rau hauv cov khoom siv ua kom tawv lossis cov khoom siv gypsum. Cov yeeb yaj kiab polymer tuaj yeem txo cov kev puas tsuaj ntawm kev ntxhov siab sab nraud ntawm cov khoom siv thiab txhim kho kev tawg. Qhov no yog ib qho tseem ceeb heev rau cov khoom siv xws li phab ntsa sab nrauv rwb thaiv tsev tshuab (EIFS) thiab qib kev ntsuas tus kheej uas yuav tsum tau tuav cov qauv txheej txheem ntev.
Txhim kho cov dej ntws los tsis kam cement lossis gypsum ib txwm muaj qee cov txheej txheem nqus dej, uas cuam tshuam rau lub zog thiab kav ntev ntawm cov khoom siv. Los ntawm kev ntxiv redispersible looj hmoov, cov dej tsis kam ntawm cov khoom tuaj yeem ua tau zoo heev. Cov yeeb yaj kiab polymer ua cov txheej txheej txheej thaum lub sijhawm ua kom qhuav, ua kom muaj kev nkag mus rau hauv dej, yog li kev txhim kho cov dej tsis kam ntawm cov khoom. Qhov no ua rau nws dav siv nyob rau hauv cov kua dej tiv thaiv thiab sab nrauv cov tshuab plaster.
Txhim kho cov tshuaj tiv thaiv kev ua tau zoo polymer tuaj yeem txhim kho kev tsim kho cov khoom siv, tshwj xeeb tshaj yog nyob rau hauv cov nplaum ntub thiab cov nplaum. Nws tuaj yeem txhim kho cov khoom siv tau haus kom zoo thiab ua haujlwm, ua rau lawv yooj yim rau kev siv thiab kis tau cov txheej txheem ua yuam kev. Nyob rau tib lub sijhawm, nws txoj kev khaws cia zoo tuaj yeem txuas lub sijhawm qhib lossis pleev xim rau cov neeg ua haujlwm ntxiv los kho thiab luas, yog li txo kev ua haujlwm tsis zoo.
Txhim kho lub peev xwm los tiv thaiv khov-thaws cov huab cua txias, cov ntaub ntawv hauv tsev feem ntau ntsib kev sim ua kom khov-thaw mus. Cov ntaub ntawv tsis muaj kev sib tsoo yog nquag ua rau tawg, teeling thiab lwm yam teeb meem nyob rau hauv lub sijhawm ntev-khov. Recispersible polymer hmoov tuaj yeem tsim cov yeeb yaj kiab polymer ua kom haum rau cov khoom siv los ntawm khov-thaws mus txog lub neej ntawm cov khoom siv.
Txhim kho cov hnav tsis kam thiab tiv thaiv kev laus rau hauv cov ntaub ntawv hauv pem teb thiab sab nrauv phab ntsa tsho tiv no, kev tawm tsam sab nrauv yog cov ntsuas tseem ceeb. Redispersible polymer hmoov tuaj yeem txhim kho cov ntaub ntawv tiv thaiv thiab txo cov qauv hnav ua rau siv thaum siv ntev. Nyob rau tib lub sijhawm, nws cov qauv siv tshuaj ruaj khov tuaj yeem txhim kho cov ntaub ntawv kom ua rau ultraviolet rays, noo thiab lwm yam puag ncig kev laus. Qhov no yog qhov tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov xws li phab ntsa txheej sab nraud thiab cov txheej txheem tiv thaiv tiv thaiv.
3. Cov chaw thov cov chaw thov
Kev tsim hluav taws xob cug hauv lub tsev cug, refispersible looj cov hmoov tau tuaj yeem txhim kho nws txoj kev ua tau zoo, hloov tau thiab tawg tsis kam. Piv txwv li, hauv kev thov xws li cov pobzeb nplaum, cov plag tsev, nws tsis yog txhim kho qhov yooj yim thiab cov khoom siv zaum kawg.
Waterproof txheej txheej tiv thaiv dej tsis tau yuav tsum muaj cov dej tsis kam ua kom zoo thiab hloov kom muaj kev txav ntawm tsev me. Kev siv ntawm redispersible looj hmoov tuaj yeem muab cov khoom zoo adhesion thiab dej tsis zoo, tso cai rau cov kev ua haujlwm kom ntev, tshwj xeeb hauv ib puag ncig.
Phab ntsa sab nraud rwb thaiv tsev sab nraud nyob sab nraud phab ntsa rwb thaiv tsev kev ua haujlwm (EIFS), recisation latwb ntawm lub rooj sib tham thiab txheej txheem txheej txheem thiab txhim kho kev tawg. Cov ntaub ntawv no tuaj yeem tiv thaiv cov txheej txheem rwb thaiv tsev tshwm sim los ntawm qhov kub hloov, yog li txuas ntxiv cov kev pabcuam lub neej ntawm cov kab ke.
Cov nplaum nplaum thiab cov zaub mov nplaum hauv cov nplaum xws li cov nyom ntoo thiab ntoo uas muaj ntau ntxiv tuaj yeem txhim kho txoj kev ua haujlwm zoo thiab txhim kho nws cov kev tsim kho. Rau cov caulking cov neeg sawv cev, nws tsis tuaj yeem txhim kho cov nplaum ua tau zoo ntawm cov khoom lag luam, tab sis kuj txhim kho nws cov tawg tsis kam thiab dej tsis kam.
Daim ntawv thov zoo ntawm refispersible looj hmoov hauv cov txheej txheem muaj yog pom tseeb heev. Nws tsis tsuas yog txhim kho cov kev ua tau zoo ntawm cov khoom, tab sis kuj tseem txhim kho qhov yooj yim ntawm kev tsim kho thiab lub durability ntawm cov khoom. Los ntawm kev ntxiv cov khoom siv no rau ntau txoj kev ua ywj siab, gypsum-based thiab lwm yam tseem ceeb, thiab kev tiv thaiv dej kuj tuaj yeem txhim kho zoo heev. Yog li ntawd, nrog kev nce qib nruam kev siv thev naus laus zis thiab kev ua lag luam ntawm redispersible yas, muab ntau cov kev daws teeb meem rau ntau yam kev lag luam.
Lub Sijhawm Post: Feb-17-2025