Raws li ib feem tseem ceeb ntawm cov khoom siv niaj hnub no, cov khoom siv hluav taws xob hloov pauv tau zoo (RDP) ua lub luag haujlwm tseem ceeb hauv ntau daim ntawv thov xws li mortars, putties, grouts, pobzeb adhesives thiab thermal rwb thaiv tsev systems. Lub peev xwm ua yeeb yaj kiab ntawm RDP yog ib qho tseem ceeb uas cuam tshuam rau qhov zoo ntawm cov khoom kawg. Lub redispersibility ntawm hmoov tom qab cia, thauj thiab sib tov yog qhov tseem ceeb. Qhov no yog vim li cas cov ncauj lus kom ntxaws thiab nruj me ntsis yog qhov tseem ceeb los xyuas kom meej qhov tsim nyog thiab kev ua tau zoo ntawm cov khoom RDP.
Ib qho ntawm cov kev ntsuam xyuas tseem ceeb tshaj plaws ntawm RDP zaj duab xis-tsim muaj peev xwm yog cov hmoov redispersible emulsion hmoov zaj duab xis-tsim txoj kev xeem. Txoj kev xeem no yog siv dav hauv kev soj ntsuam cov khoom zoo thiab cov txheej txheem R & D ntawm RDP cov khoom. Txoj kev sim ua zaj duab xis ntawm cov hmoov redispersible polymer hmoov yog ib txoj kev sim yooj yim thiab yooj yim, uas tuaj yeem soj ntsuam cov yeeb yaj kiab-tsim peev xwm ntawm cov khoom RDP.
Ua ntej, lub redispersibility ntawm cov hmoov yuav tsum tau soj ntsuam ua ntej mus rau qhov kev xeem ntawm films. Sib tov cov hmoov nrog dej thiab nplawm kom rov ua dua cov khoom siv polymer kom ntseeg tau tias cov hmoov ua haujlwm txaus rau kev sim.
Tom ntej no, Powder Redispersible Polymer Powder Film Formation Test Method tuaj yeem pib. Yuav tsum muaj qhov ntsuas kub thiab qhov txheeb ze av noo kom tswj tau qhov chaw ruaj khov rau zaj duab xis kom kho kom zoo. Cov khoom yog sprayed mus rau lub substrate ntawm ib tug pre-txhais thickness. Cov khoom siv substrate yuav nyob ntawm qhov xav tau ntawm daim ntawv thov. Piv txwv li, daim ntawv thov mortar tej zaum yuav xav tau ib qho kev ua vaj tse substrate. Tom qab txau, cov khoom raug tso cai kom qhuav rau lub sijhawm teem sijhawm, tom qab uas muaj peev xwm tsim tau zaj duab xis tuaj yeem ntsuas.
Powder Redispersible Emulsion Powder Film Formation Test Method ntsuas ntau yam. Cov no suav nrog kev ua tiav saum npoo, adhesion thiab yooj ntawm zaj duab xis. Qhov saum npoo tuaj yeem raug soj ntsuam optically los ntawm kev tshuaj xyuas lossis siv lub tshuab tsom. Adhesion ntawm zaj duab xis rau lub substrate yog txiav txim siab siv daim kab xev xeem. Kev adhesion txaus yog qhia thaum ib daim kab xev siv rau cov khoom siv thiab cov yeeb yaj kiab tseem nyob rau hauv substrate tom qab daim kab xev raug tshem tawm. Cov yeeb yaj kiab hloov tau kuj tuaj yeem raug soj ntsuam los ntawm kev kuaj kab xev. Nthuav cov zaj duab xis ua ntej tshem cov kab xev, yog tias nws tseem nyob rau hauv lub substrate, nws qhia tau hais tias qhov yooj yim theem.
Nws yog ib qho tseem ceeb uas yuav tau ua raws li cov txheej txheem kev sim kom raug kom tau txais txiaj ntsig zoo ib yam. Ntau yam ntawm kev sim tsim cov yeeb yaj kiab yuav tsum tau ua qauv kom tshem tawm qhov sib txawv ntawm cov khoom sib txawv. Cov no suav nrog cov txheej txheem npaj, qhov kub thiab txias, av noo, daim ntawv thov tuab thiab lub sijhawm kho. Kev kuaj kab xev kuj yuav tsum tau ua nrog tib lub siab kom tau txais cov txiaj ntsig sib piv. Tsis tas li ntawd, cov cuab yeej xeem yuav tsum tau ntsuas ua ntej kuaj. Qhov no ua kom qhov tseeb thiab meej ntsuas.
Thaum kawg, kev txhais lus tseeb ntawm cov txiaj ntsig ntawm Powder Redispersible Emulsion Powder Film Formation Test Method yog qhov tseem ceeb. Cov txiaj ntsig tau los ntawm txoj kev sim tsim cov yeeb yaj kiab yuav tsum muab piv nrog cov qauv tsim rau cov ntawv thov tshwj xeeb. Yog tias cov yeeb yaj kiab ua tau raws li qhov yuav tsum tau ua thiab cov kev qhia tshwj xeeb, nws qhov zoo yog suav tias yog qhov tsim nyog. Yog tias tsis yog, cov khoom lag luam yuav xav tau kev kho kom zoo ntxiv lossis hloov kho los txhim kho nws cov khoom ua yeeb yaj kiab. Cov txiaj ntsig kev xeem kuj tseem tuaj yeem pab daws teeb meem thiab txheeb xyuas cov teeb meem tsim khoom lossis cov khoom tsis raug.
Hauv cov ntsiab lus, cov hmoov dispersible polymer hmoov zaj duab xis tsim txoj kev sim ua lub luag haujlwm tseem ceeb hauv kev txiav txim siab cov txiaj ntsig ntawm cov khoom lag luam dispersible polymer hmoov. Raws li ib qho ntawm cov khoom tseem ceeb ntawm cov khoom siv hauv tsev niaj hnub, lub peev xwm ua yeeb yaj kiab ntawm RDP yog qhov tseem ceeb rau nws qhov kev ua tau zoo. Xyuas kom meej tias RDP zaj duab xis tsim muaj peev xwm ua tau raws li cov khoom xav tau yog qhov tseem ceeb rau kev ua kom zoo dua qhov kev ua tau zoo thiab lub neej ntawm cov khoom kawg. Kev ua raws li cov txheej txheem sim yog qhov tseem ceeb kom tau txais cov txiaj ntsig zoo ib yam. Kev txhais lus zoo ntawm cov qhabnias xeem tuaj yeem muab kev nkag siab zoo rau kev tsim thiab tsim cov khoom zoo RDP.
Post lub sij hawm: Jul-03-2023