Recispersible polymer hmoov (RDP) yog cov hmoov polymer ntau ntau siv nyob rau hauv ntau hom kev lag luam thiab kev siv. Nws yog dawb-ntws dawb hmoov muaj cov polymer emulsion thiab ntxiv uas tuaj yeem rov qab tau yooj yim rau hauv dej los ua emulsions ruaj khov. RDP cov khoom tshwj xeeb ua rau nws muaj ntau yam khoom nrog cov ntawv thov hauv kev tsim kho, cov nplaum thiab lwm yam kev lag luam.
Cov khoom ntawm redispersible polymer hmoov (RDP)
Polymer muaj pes tsawg leeg:
RDP muaj ntau feem ntau ntawm cov polymer emulsion sib tov. Cov neeg polylers no suav nrog Vinyl acetate-ethylene (VAE), VAINY), yas acrylic acid copolymers, thiab zoo li.
Kev xaiv polymer muaj kev cuam tshuam rau cov yam ntxwv ua tau zoo ntawm RDP, xws li adhesion, yooj yim, thiab dej tsis kam.
Particle loj thiab morphology:
Redispersible polymer hmoov feem ntau muaj qhov zoo me me qhov loj me, uas ua rau lawv muaj peev xwm ua kom ruaj khov emulsaib thaum muaj cov dej ntws.
Kev morphology ntawm cov hais yog tsim los txhawb kev ntws zoo thiab txhim kho cov kev rho tawm cov khoom ntawm cov hmoov.
Tshuaj Qhuas:
Ntau yam ntxiv, xws li Dispersants, Anti-Cakake Collents, thiab cov kev tiv thaiv kev tiv thaiv, feem ntau ntxiv rau txhim kho kev ruaj khov thiab kov ntawm cov hmoov.
Kev sib haum:
RDP yog sib xws nrog ntau yam ntawm lwm cov ntaub ntawv hauv tsev, suav nrog cov cement, plaster thiab fitrers, ua rau muaj ntau cov kev siv.
Cov txheej txheem tsim qauv rau cov liab polymer
Kev tsim cov refispersible hmoov polymer muaj ntau kauj ruam tseem ceeb:
Emulsion Polymerization:
Cov txheej txheem pib nrog emulsion polascerization ntawm monomers xws li vinyl acetate, ethylene, thiab lwm yam uas tromomers.
Emulsifiers thiab stabilizers tau siv los xyuas kom cov tsim ntawm lub tsev loj polymer emulsions.
Txau kom qhuav:
Lub polymer emulsion yog tom qab ntawd raug rau cov tshuaj tsuag kom qhuav, uas tau tshem cov dej los ua cov khoom noj.
Lub noob txiv tau sau tau sau thiab txuas ntxiv ua kom tau txais qhov ntsuas qhov tsawg thiab morphology.
Ntxiv kev tshwm sim:
Tshuaj cais xws li cov tshuaj tiv thaiv kev tawm tsam thiab cov dispersants tau ntxiv rau cov hmoov txhawm rau txhim kho nws cov yam khoom khaws cia thiab tuav cov yam ntxwv.
QC:
Kev tswj nruj me ntsis raug siv los ua kom muaj kev sib xws thiab kev ua tau zoo ntawm cov tshuaj tiv thaiv polymer zaum kawg.
Cov ntawv thov ntawm Redispersible polymer hmoov (RDP)
1. Kev lag luam kev tsim kho:
Cov nplaum nplaum: RDP txhim kho cov nplaum, yooj yim thiab dej tsis kam ntawm cov nplais nplaum, txhim kho cov kev ua tau zoo tag nrho thiab ruaj khov ntawm koj cov nplais installation.
Caas culture: RDP feem ntau siv nyob rau hauv cov cement raws li cov nyiaj tau los ua kom muaj kev ua haujlwm, adhesion thiab ruaj khov. Nws tseem yuav txo cov kab nrib pleb thiab nce qhov yooj ntawm cov tshuaj khib.
2. Sab nrauv rwb thaiv tsev thiab cov tshuab ua tiav (EIFS):
EIFS siv RDP los txhim kho lub kaw lus hloov thiab tawg tsis kam, muab ib qho ruaj khov ua kom tiav.
3. Kev ua tus kheej txiav txim siab:
Nyob rau hauv tus kheej-theem flooring teb sib txuas, RDP pab txhim kho kev txaus, adhesion thiab tawg tawm tsam.
4. Gypsum khoom:
RDP yog siv rau hauv gypsum-based khoom xws li sib txuas ua ke thiab stucco los txhim kho lawv cov adhesion, kev ua haujlwm thiab kev tawm tsam thiab kev tawm tsam.
5. Xim thiab txheej:
Nyob rau hauv cov xim thiab pleev xim kev lag luam, RDP yog siv los txhim kho cov nplaum, yooj thiab dej tsis kam tiv taus cov xim looj. Nws tseem ua kom tiav qhov ua tau tag nrho ntawm cov txheej.
6. Cov ntawv nyeem tiav:
Textured ua tiav nyob rau hauv cov xim zoo nkauj tau txais txiaj ntsig tau los ntawm kev siv RDP rau kev txhim kho kev ua kom tiav thiab ua kom ntev.
7. Asphalt hloov kho:
RDP tuaj yeem siv hauv Asphalt Hloov Kho kom nce qhov hloov tau thiab cov khoom siv asphalt-asphalt-based cov ntaub ntawv xws li lub ru tsev weepranes thiab paving.
8. Yeeb yaj kiab:
Hauv cov qauv nplaum nplaum, RDP txhim kho cov nplaum nplaum, cohesion thiab yooj yim, ua rau nws haum rau ntau daim ntawv thov kev sib raug zoo.
Redispersible polymer hmoov (RDP) yog qhov tseem ceeb thiab ntau yam cov khoom hauv ntau yam lag luam, tshwj xeeb hauv kev tsim kho, cov nplaum thiab txheej. Nws tshwj xeeb ua ke ntawm polymer sib xyaw, cov khoom siv particle thiab sib xyaw nrog lwm cov ntaub ntawv ua rau nws muaj txiaj ntsig ntxiv uas txhim kho cov khoom lag luam thiab cov khoom lag luam tsis txaus. Raws li thev naus laus zis thiab cov qauv txuas mus ntxiv ua ntej, cov kev siv ntawm RDP yog qhov yuav nthuav dav, pab txhim kho cov ntaub ntawv tsim tau zoo dua thiab muaj zog thiab cov khoom siv kom ruaj khov thiab cov khoom siv
Lub Sijhawm Post: Feb-19-2025