Redispersible looj hmoov (RDP) yog rwb thaiv tsev hauv tsev, xws li txhim kho cov ntaub ntawv hauv tsev, txhim kho cov khoom siv sab nrauv, txhim kho kev txhim kho, txhim kho kom tau zoo, thiab txhim kho lub zog. Yog li ntawd, xaiv cov kev ua haujlwm siab RDP yog qhov tseem ceeb rau kev ua tiav ntawm koj txoj haujlwm tsim kho.
1. Tshuaj lom neeg sib xyaw ua ke thiab cov khoom siv hauv paus
Lub ntsiab ntawm RDP suav nrog ethylene-vinyl acetate copolymer (sbr), ethylene-butdiene copolymer (sbreps copolymer (sbreps copolymer ( Piv txwv li:
Eva-raws li cov hmoov txhuas zoo: muaj cov dej tsis yeem zoo thiab sib txuas ntawm phab ntsa phab ntsa sab nrauv phab ntsa thiab pobzeb cov khoom nplaum.
SBR-raws li cov hmoov txhuas zoo: nws muaj qhov zoo elasticity thiab durability thiab feem ntau siv nyob rau hauv elastic putty thiab pobzeb nplaum.
Vae-based yas hmoov: cov nqi sib npaug thiab hloov tau thiab hloov tau dav nyob rau hauv ntau yam ntawm cov neeg yuav khoom noj thiab pleev xim.
2. Qhov me me loj thiab xa tawm
Qhov loj me me thiab faib ncaj qha cuam tshuam cov dispersion ntawm looj cov hmoov ntawm cov hmoov qhuav thiab cov ntawv thov kawg. Cov khoom lag luam zoo RDP yog niaj hnub thiab tuaj yeem ua kom sai thiab sai sai distrate kom ntseeg tau tias muaj kuab tshuaj.
3. Liab Opersibility
Ib qho ntawm cov khoom tseem ceeb ntawm RDP yog nws recispersibility hauv dej. High-zoo RDP tuaj yeem sai thiab tag nrho cov dej los ua ib qho ruaj khov, yog li ua kom muaj kev ua kom cov khoom nplaum thiab lwm yam.
4. Viscosity
RDP muaj qhov cuam tshuam tseem ceeb ntawm viscosity thaum sib xyaw ua ke cov ntaub ntawv. Qhov zoo zoo RDP yuav tsum muab viscosity zoo, uas yog tshwj xeeb tshaj yog rau kev tsim kho. Viscosity uas yog dhau los lossis qis dhau tsis cuam tshuam yooj yim heev ntawm kev thov thiab qhov kawg ntawm cov khoom siv.
5. Durability thiab ruaj khov
Lub durability thiab kev ruaj khov ntawm RDP cuam tshuam kev ua haujlwm ntev ntawm cov khoom. Kev ua haujlwm siab zoo RDP yuav tsum muaj kev tiv thaiv zoo heev, UV tsis kam thiab tshuaj lom neeg tsis kam, yog ua kom cov ntaub ntawv tsim tsev nyob hauv ntau qhov chaw.
6. Cov Khoom Siv Hluav Taws Xob
Ib qho ntawm cov haujlwm tseem ceeb ntawm RDP yog txhawm rau txhim kho txoj kev sib khi lub zog ntawm cug. Thaum xaiv, saib xyuas yuav tsum tau them rau nws txoj kev sib koom ua lub zog kom sib txawv substrates (xws li pob zeb ua, gypsum, ntoo, thiab lwm yam). RDP nrog cov khoom sib cog lus zoo ua kom ntseeg tau tias cov ntaub ntawv tsim ua kom ruaj khov rau lub substrate, txo txoj kev pheej hmoo ntawm cov kab nrib pleb thiab kev tshem tawm.
7. Tawg tsis taus thiab hloov tau yooj yim
Hauv qee cov ntawv thov, xws li sab nrauv phab ntsa rwb thaiv tsev rwb thaiv tsev tshuab thiab saj zawg zog putties, cov khoom tawg yog qhov tseem ceeb tshwj xeeb. Cov Khoom Siv Zoo RDP tuaj yeem txhim kho qhov hloov tau thiab tawg ntawm cov tshuaj cug thiab txo cov teeb meem tawg thiab cog lus ntawm cov khoom.
8. Sib xyaws nrog lwm cov kev sib ntxiv
Hauv kev siv cov kev siv, RDP feem ntau siv ua ke nrog lwm cov kev sib txuas (xws li cellulose ether, dej txo tus neeg sawv cev, cua npuas tus neeg saib xyuas, thiab lwm yam). Cov kev xaiv RDP yuav tsum muaj kev sib haum zoo nrog cov kev sib ntxiv no kom tsis txhob muaj kev phiv tsis zoo, yog li ua kom muaj kev ruaj ntseg thiab ua kom muaj kev ruaj khov thiab ua haujlwm ntawm cov mis.
9. Kev tiv thaiv ib puag ncig, kev noj qab haus huv thiab kev nyab xeeb
Nrog kev txhim kho ntawm kev paub ib puag ncig, kev tiv thaiv ib puag ncig thiab kev nyab xeeb ntawm RDP tau dhau los cov kev txiav txim siab tseem ceeb. Cov qauv kev ua tau zoo yuav tsum ua raws li cov qauv ib puag ncig, thiab yuav tsis tso cov roj teeb meem, thiab yuav tsum tsis tso cov roj teeb rau tib neeg lub cev thaum siv.
10. Tus nqi rau nyiaj
Txawm hais tias zoo yog thawj qhov kev txiav txim siab, nqi zog-ua tau zoo kuj tseem yog cov qauv tseem ceeb thaum xaiv RDP. Qhov nyiaj tshuav yuav tsum pom ntawm kev ua tau zoo thiab cov khoom lag luam uas tuaj yeem ua tau raws li cov kev xav tau engineering thiab muaj kev lag luam zoo yuav tsum tau xaiv.
11. Cov Tshuab Ntau Lawm thiab Hom Kev Txhim Kho
Qhov zoo ntawm RDP tsim los ntawm cov tuam ntxhab sib txawv yuav sib txawv. Cov txheej txheem tsim cov txheej txheem ntau lawm, qib kev ua haujlwm thiab tswj kev nyab xeeb yuav tsum tau txiav txim siab thaum xaiv. Cov neeg tsim khoom lag luam nrog cov npe nrov nrov feem ntau yuav muab cov khoom lag luam nrog ntau txhim khu kev qha thiab muaj peev xwm ua tau ruaj khov.
12. Cov neeg siv tshuaj xyuas thiab kuaj cov txiaj ntsig
Cov lus qhia los ntawm kev siv tiag tiag thiab cov txiaj ntsig peb thib peb tuaj yeem muab cov txiaj ntsig tseem ceeb rau kev xaiv. Los ntawm kev nkag siab lwm tus neeg siv cov tshuaj xyuas thiab cov ntaub ntawv ntsuas, koj tuaj yeem ntsuas tau ntau dua qhov ua tau zoo ntawm RDP.
Thaum xaiv cov hmoov zoo ntawm cov hmoov zoo li qub, nws yog ib qho tsim nyog kom xam tau tshuaj lom neeg, kev tiv thaiv ib puag ncig, cov qauv tshuaj xyuas thiab cov neeg siv tshuaj xyuas thiab lwm yam. Xaiv cov khoom lag luam zoo RDP tsis tuaj yeem txhim kho cov ntaub ntawv hauv tsev, tab sis kuj tseem ua tiav cov txiaj ntsig zoo dua thiab cov txiaj ntsig ntev.
Lub Sijhawm Post: Feb-17-2025