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Cov khoom siv dab tsi tuaj yeem txhim kho cov khoom ntawm cov khoom sib xyaw qhuav? Lawv ua haujlwm li cas?
Cov anionic surfactant muaj nyob rau hauv kev tsim kho additives yuav ua rau cov cement hais disperse ib leeg kom cov dej dawb encapsulated los ntawm cov cement aggregate raug tso tawm, thiab cov agglomerated cement aggregate yog tag nrho diffused thiab huv si hydrated kom tiav ib tug ntom qauv thiab nyob rau hauv ...Nyeem ntxiv -
Tshaj tawm ntawm cov txheej txheem kev txhim kho keeb kwm ntawm redispersible latex hmoov thiab ceramic pobzeb nplaum
Raws li thaum ntxov xyoo 1930s, polymer binders tau siv los txhim kho kev ua haujlwm ntawm mortar. Tom qab cov tshuaj pleev xim polymer tau ua tiav rau hauv kev ua lag luam, Walker tau tsim cov txheej txheem tshuaj tsuag kom qhuav, uas paub txog kev muab tshuaj pleev rau hauv daim ntawv roj hmab hmoov, ua qhov pib ntawm lub sijhawm ntawm ...Nyeem ntxiv -
Redispersible latex hmoov yog ib hom hmoov nplaum ua los ntawm cov tshuaj pleev tshwj xeeb kom qhuav.
Redispersible latex hmoov yog ib hom hmoov nplaum ua los ntawm cov tshuaj pleev tshwj xeeb kom qhuav. Cov hmoov no tuaj yeem tawg sai sai rau hauv cov tshuaj pleev ib ce tom qab sib cuag nrog dej, thiab muaj cov khoom zoo ib yam li cov tshuaj pleev xim thawj zaug, uas yog, cov dej tuaj yeem tsim ib zaj duab xis tom qab evaporation. Zaj movie no muaj ...Nyeem ntxiv -
Dab tsi yog cov haujlwm ntawm redispersible polymer hmoov hauv cov khoom sib txawv drymix? Nws puas tsim nyog ntxiv cov hmoov redispersible rau hauv koj cov mortars?
Redispersible polymer hmoov muaj ntau yam kev siv. Nws ua lub luag haujlwm tseem ceeb hauv kev siv dav thiab dav. Zoo li ceramic pobzeb nplaum, phab ntsa putty thiab rwb thaiv tsev mortar rau sab nrauv phab ntsa, txhua tus muaj kev sib raug zoo rau redispersible polymer hmoov. Qhov sib ntxiv ntawm redispersible la...Nyeem ntxiv -
Lub luag hauj lwm thiab qhov zoo ntawm redispersible latex hmoov, Qhov no tsis tsuas yog zam kev ua yuam kev thaum sib xyaw ntawm qhov chaw tsim kho, tab sis kuj txhim kho kev nyab xeeb ntawm cov khoom tuav.
Lub luag haujlwm ntawm redispersible latex hmoov: 1. Lub dispersible latex hmoov tsim ib zaj duab xis thiab ua hauj lwm raws li ib tug nplaum los txhim kho nws lub zog; 2. Cov kev tiv thaiv colloid yog absorbed los ntawm mortar system (nws yuav tsis puas los ntawm dej tom qab tsim zaj duab xis, los yog "secondary dispersion"; 3 ...Nyeem ntxiv -
Soldissolved hydroxypropyl methyl cellulose HPMC nyob rau hauv ntub mortar
Soluble hydroxypropyl methyl cellulose (HPMC) yog ib yam uas tsis yog-ionic cellulose ether, uas yog tsim los ntawm ntuj polymer cellulose los ntawm ib tug series ntawm tshuaj ua. Hypromellose (HPMC) yog cov hmoov dawb uas yaj hauv dej txias los tsim cov kua nplaum, kua nplaum. Nws muaj qhov tsim nyog ...Nyeem ntxiv -
Cov nyhuv ntawm viscosity ntawm cellulose ether ntawm cov khoom ntawm gypsum mortar
Viscosity yog ib qho khoom tseem ceeb ntawm cellulose ether. Feem ntau hais lus, qhov siab dua qhov viscosity, qhov zoo dua cov dej tuav cov nyhuv ntawm gypsum mortar. Txawm li cas los xij, qhov siab dua qhov viscosity yog, qhov hnyav molecular ntawm cellulose ether yog, thiab solubility ntawm cellulose ether ...Nyeem ntxiv -
Yuav ua li cas tseem ceeb rau ntxiv redispersible polymer hmoov nyob rau hauv drymix mortar?
Redispersible polymer hmoov yog tshuaj tsuag-qhuav hmoov ntawm polymer emulsion raws li ethylene-vinyl acetate copolymer. Nws yog ib qho tseem ceeb ntawm cov khoom siv niaj hnub drymix mortar. Dab tsi cuam tshuam cov respersible polymer hmoov muaj nyob rau hauv lub tsev mortar? Lub redispersible polymer hmoov particles fil ...Nyeem ntxiv -
Tau hypromellose hloov hydroxyethyl cellulose hauv cov xim pob zeb tiag
Cov khoom lag luam cellulose tau muab los ntawm cov paj rwb ntuj lossis ntoo pulp los ntawm etherification. Cov khoom sib txawv ntawm cov cellulose siv cov khoom sib txawv etherifying. Hypromellose HPMC siv lwm hom etherifying agents (chloroform thiab 1,2-epoxypropane), thaum hydroxyethyl cellulose HEC siv Oxirane ...Nyeem ntxiv -
Koj puas paub tias cov khoom ntawm cellulose zoo tshaj plaws rau kev siv hauv plastering mortar?
Qhov zoo tshaj plaws thiab kev ruaj ntseg ntawm kev siv tshuab ntawm plastering mortar yog qhov tseem ceeb rau txoj kev loj hlob, thiab cellulose ether, raws li cov tub ntxhais additive ntawm plastering mortar, plays lub luag hauj lwm irreplaceable. Cellulose ether muaj cov yam ntxwv ntawm cov dej ceev ceev thiab zoo wra ...Nyeem ntxiv -
Tham txog qhov laj thawj tseem ceeb ntawm putty hmoov dedusting.
Putty hmoov yog ib yam khoom siv kho kom zoo nkauj hauv tsev, cov khoom tseem ceeb yog talcum hmoov thiab kua nplaum. Putty yog siv los kho cov phab ntsa ntawm lub substrate rau cov kauj ruam tom ntej los nteg lub hauv paus zoo rau kev kho kom zoo nkauj. Putty muab faib ua ob hom phab ntsa sab hauv thiab sab nrauv phab ntsa, sab nrauv phab ntsa putt ...Nyeem ntxiv -
Dab tsi cuam tshuam cov cement nyob rau hauv qhov sib tov ntawm masonry mortar muaj nyob rau hauv dej tuav ntawm mortar?
Lub hauv paus ntsiab lus ntawm masonry mortar masonry mortar yog ib qho tseem ceeb ntawm lub tsev, tsuas yog los xyuas kom meej tag nrho cov zoo ntawm kev sib txuas, lub tsev thiab stability. Muaj ntau yam uas cuam tshuam rau lub zog. Yog hais tias ib yam khoom nyob rau hauv mix ratio yog tsis txaus, los yog muaj pes tsawg leeg tsis txaus ...Nyeem ntxiv
