Recispersible polymer hmoov thiab latond dawb yog ob hom sib txawv ntawm kev tsim kho, tshwj xeeb tshaj yog nyob rau hauv kev tsim cov ntaub ntawv tsev thiab txheej txheem. Txawm hais tias ob qho khoom tau tsim los ntawm tib cov khoom siv yooj yim, lawv muaj cov khoom sib txawv uas ua rau lawv zoo rau cov ntawv thov sib txawv. Hauv tsab xov xwm no, peb tshawb txog qhov sib txawv tseem ceeb ntawm dispersible looj hmoov thiab yooj yim vim li cas lawv yog ob qho tseem ceeb ntawm kev ua architecture niaj hnub no.
Ua ntej, cia peb pib nrog cov hauv paus. LasX yog cov dej muaj kuab-ua paug ntawm hluavtaws polymers xws li styrene-butadiene, yas acretate, thiab acrylics. Nws yog feem ntau siv ua cov nplaum los yog cov nplaum hauv kev tsim cov khoom siv hauv tsev, los ntawm cov nplaum sib txuas ua ke thiab cov nplaum sib xyaw ua ke kom ua kom huv. Ob daim ntawv feem ntau ntawm cov latex siv hauv kev tsim kho yog redispersible looj hmoov thiab cov xim dawb.
Recispersible polymer hmoov, tseem hu ua RDP, yog cov hmoov dawb-ntws los ntawm kev sib xyaw cov khoom siv kom ua ntej looj li qub, fillers, tiv thaiv cov neeg sawv cev thiab lwm yam ntxiv. Thaum sib xyaw nrog dej, nws disperses yooj yim los ua qhov ruaj khov, homogeneous emulsion thiab cantsum los txhim kho kev ua haujlwm, adhesion thiab ruaj khov. RDP tau siv dav hauv kev tsim cov khoom sib xyaw kom qhuav, ua tiav tus kheej thiab gypsum-based tiav vim hais tias ntawm nws cov dej kom zoo, lub zog thiab hloov tau muaj zog.
Dawb yas looj, ntawm qhov tod tes, yog npaj-siv-siv kua emulsion ntawm cov tshuaj ntxuav hluavtaws uas tuaj yeem thov ncaj qha ua cov nplaum, cov khoom lag luam lossis xim pleev xim. Tsis zoo li RDP, dawb yas tsis tas yuav muab tov nrog dej lossis lwm cov khoom siv kom qhuav. Nws muaj cov nplaum zoo heev rau ntau yam ntawm cov substrates nrog cov pob zeb ua, cov ntoo, ntoo thiab hlau thiab feem ntau siv hauv cov xim pleev xim, txheej thiab cov tshuaj pleev pob zeb. Ua tsaug rau nws cov kua ua kua, nws tuaj yeem siv tau yooj yim nrog txhuam, cov menyuam lossis tshuaj tsuag thiab dries sai sai los ua ib zaj duab xis tsis ntev los ua yeeb yaj kiab waterproof.
Yog li, dab tsi yog qhov sib txawv ntawm redispersible looj hmoov thiab cov xim dawb? Ua ntej, lawv txawv hauv tsos. RDP yog cov hmoov zoo uas yuav tsum tau sib xyaw nrog dej los tsim cov emulsion, thaum cov kua dawb yog cov kua uas tuaj yeem siv ncaj qha rau cov chaw. Thib ob, lawv tau siv sib txawv. RDP feem ntau yog siv los ua kev ntxiv nyob rau hauv cov kev sib xyaw qhuav, thaum cov hnab dawb yog siv los ua cov txheej txheej lossis sib foob. Thaum kawg, lawv cov khoom sib txawv. RDP muab cov ua haujlwm zoo, adhesion thiab yooj yim heev, thaum cov kua dawb tau muab cov dej tsis kam ua tau zoo thiab kav ntev.
Nws yog tsim nyog sau cia tias ob qho tib si redispersible looj hmoov thiab cov xim dawb muaj lawv cov txiaj ntsig zoo thiab cov ntawv thov. RDP yog qhov zoo tagnrho rau kev siv hauv cov khoom lag luam mortars thiab lwm cov khoom siv xis, thaum cov txiv ntseej dawb yog qhov zoo rau kev siv cov xim, pleev xim thiab cov pleev plaub. Txawm li cas los xij, ob yam khoom no muaj ntau yam thiab tuaj yeem siv rau hauv ntau cov ntawv thov, nyob ntawm qhov xav tau ntawm txoj haujlwm.
Zuag qhia tag nrho, nws yog ib qho tseem ceeb kom nkag siab txog qhov sib txawv ntawm polymer hmoov polymer thiab cov khoom siv dawb kom xaiv cov khoom lag luam uas tsim nyog rau koj daim ntawv thov tshwj xeeb tshaj plaws. Ob cov khoom xa tawm kev ua tau zoo, thiab los ntawm xaiv cov khoom lag luam zoo rau txoj haujlwm, koj tuaj yeem paub tseeb ntawm cov txiaj ntsig zoo, ntev ntev. Raws li cov tshuab hluavtaws rov qab ua ke txuas ntxiv, nws yog qhov yuav tau nthuav tawm cov cuab yeej tshiab uas yuav nthuav ntxiv cov kev siv rau cov tshuaj polymers ntxiv.
Lub Sijhawm Post: Jul-03-2023