RECISPERSIVE POLYMER HMOOV (RDP) yog cov khoom siv polymer-raws li ua los ntawm kom qhuav emulsion polymer, nrog kev rov ua kom zoo thiab dej solubility. Nws yog dav siv nyob rau hauv cov ntaub ntawv hauv tsev, tshwj xeeb tshaj yog nyob rau hauv cug khoom lag luam.
1. Txhim kho txoj kev sib cais ntawm cug
Ib qho ntawm cov haujlwm tseem ceeb ntawm redispersible polymer hmoov (RDP) yog txhawm rau txhim kho lub zog ntawm lub zog ntawm cug. Nws tuaj yeem tsim cov yeeb yaj kiab zoo polymer nyob rau hauv xis mas txhim kho lub zog ntawm lub zog nrog lub substrate thaum lub sijhawm ua kom qhuav. Los ntawm kev ntxiv cov hmoov yas siav, tshuaj khib tuaj yeem ua rau cov chaw sib xyaw ua ke, xws li tuaj yeem txhim kho txoj kev sib khib ntawm cug.
2. Txhim kho qhov tawg tawm ntawm cug
Ntxiv cov liab recispersible polymer hmoov (RDP) tuaj yeem txhim kho lub capt tsis kam ntawm cug. Qhov no yog vim tias kev tsim ntawm cov yeeb yaj kiab polymer tuaj yeem txhim kho cov kev ntxhov siab thiab cov av noo ntau dua yam tsis muaj kev tawg pleb yooj yim. Cov hmoov yas looj tau tuaj yeem nce cov elasticity thiab elongation ntawm kev sib cais thiab kev cog lus, ntub dej nthuav dav thiab qhuav shrinkage, thiab lwm yam).
3. Txhim kho cov dej tsis kam thiab huab cua tiv thaiv ntawm cug
Tom qab ntxiv recispersible polymer hmoov (RDP) los tshuaj khib, nws tuaj yeem txhim kho cov dej tsis kam ntawm cov tshuaj cug. Cov polymer tiv thaiv nyob rau hauv cov hmoov txhuv nplaum yas ua tau yooj yim, yog li ntawd lub tshuaj khib nyiab muaj kev puas tsuaj rau dej cug qauv. Tsis tas li ntawd, qhov sib ntxiv ntawm cov polymer kuj tseem tuaj yeem txhim kho cov huab cua kev tshuaj khib nyiab (xws li nws tuaj yeem hloov pauv ntawm cov khoom sab nraud (cov kua qaub.
4. Txhim khu cov flucity thiab siv tshuaj cug
Recispersible polymer hmoov (RDP) tuaj yeem txhim kho cov tshuaj txaws zoo nkauj, ua kom nws yooj yim rau kev siv thiab tso thaum tsim kho. Lub xub ntiag ntawm cov hmoov yas tau zoo pab tswj lub viscosity ntawm cov haujlwm tsim kho thiab muab cov kev hloov kho kom zoo, uas tuaj yeem txhim kho kev ua haujlwm. Kev tsim kho kev tsim kho zoo txhais tau tias kev siv txheej sib luag, txo cov khoom siv pov tseg, thiab cov haujlwm ua haujlwm zoo hauv ntau qhov chaw.
5. Txhim Kho Lub Zog Ntawm Cug
Los ntawm kev ntxiv redispersible polymer hmoov (RDP), qhov kawg zog ntawm cug yuav txhim kho. Qhov kev txhim kho no muaj zog tsis yog tsuas yog xav txog kev muaj zog compressive, tab sis kuj muaj ntau yam xws li kev sib raug zoo lub zog thiab lub zog yooj yim dua. Cov yeeb yaj kiab polymer tsim los ntawm cov hmoov nplej nkaus hauv txoj kev cai collement thiab ua kom zoo dua qub zoo ntxiv rau hauv cov tshuaj cug zoo hauv kev tsim kho cov dej num.
6. Txhim kho cov anti-wiulation thiab kev ntxuav tus kheej ntawm cug
Redispersible polymer hmoov (RDP) muaj cov tshuaj tiv thaiv kab mob zoo, tshwj xeeb tshaj yog nyob sab hauv phab ntsa cug. Thaum cov hmoov yas roj ntxiv rau cug, nws tuaj yeem tsim cov txheej txheej tsis huv ntawm cov tshuaj khib nyiab thiab txo cov nplaum ntawm cov tshuaj sab nraud xws li plua plav thiab roj. Tshwj xeeb tshaj yog nyob rau hauv kev kho kom zoo nkauj phab ntsa, txo tau kom qeeb qeeb ntawm kev tu thiab txij nkawm, thiab muaj qhov ua tau zoo rau tus kheej.
7. Txhim kho cov dej khaws cia ntawm cug
Thaum lub sij hawm tsim qauv, dej ceev ntawm cug yog qhov tseem ceeb rau nws cov kev ua tau zoo. Recispersible polymer hmoov (RDP) tuaj yeem txhim kho cov tshuaj khib nyiab, yog li ntawd lub tshuaj khib yuav tsis cuam tshuam rau kev ua haujlwm zoo vim tias muaj dej evaporation ua ntej dhau los. Zoo dua dej ceev yuav pab txhim kho lub sijhawm teeb tsa thiab kev ruaj ntseg ntawm cov txheej txheem tawv, kom lub tshuaj khib tau ua kom muaj zog ua haujlwm zoo hauv ntau yam kev tsim kho.
8. Txhim kho cov tshuaj tiv thaiv kev ua yeeb yam ntawm cug
Nyob rau hauv ib puag ncig txias, tshuaj khib yog nquag rau txoj kev txo lub zog txo thiab tawg vim muaj dej khov. Recispersible polymer hmoov (RDP) tuaj yeem txhim kho cov tshuaj tiv thaiv kev ua haujlwm ntawm kev txhim kho cov qauv ntawm dej. Qhov kev ua tau zoo no tshwj xeeb yog qhov tseem ceeb rau lub caij ntuj no, thiab tuaj yeem xyuas kom zoo thiab ruaj khov ntawm kev sib khib ib puag ncig.
Recispersible polymer hmoov (RDP) ua si ntau-faceted lub luag hauj lwm hauv cug. Nws tsis tuaj yeem tsuas yog txhim khu cov nplaum, tawg ua kom tsis huv ntawm cug, tab sis kuj txhim kho cov kab cug, thiab txhim kho cov tshuaj khib, thiab txhim kho cov tshuaj khib nyiab ntau ntxiv. Nrog rau cov kev thov nce qib siab rau cov khoom siv ua haujlwm hauv cov tshuaj khib nyiab yuav ua ntau dua, ua kom muaj zog txhim kho kom loj hlob coll zoo thiab tsim kev siv tau zoo.
Lub Sijhawm Post: Feb-19-2025