-
Dab tsi yog qhov txawv ntawm mortar qhuav? Daim ntawv thov ntawm redispersible latex hmoov
Qhuav hmoov mortar yog hais txog cov khoom siv granular lossis hmoov tsim los ntawm lub cev sib xyaw ntawm cov khoom sib xyaw ua ke, cov khoom siv tsis muaj zog cementitious, thiab cov khoom ntxiv uas tau qhuav thiab tshuaj xyuas hauv ib qho kev faib ua feem. Dab tsi yog cov khoom siv feem ntau siv rau cov hmoov qhuav mortar? Qhuav hmoov mortar feem ntau peb ...Nyeem ntxiv -
Dab tsi cuam tshuam cov dej tuav cov khoom ntawm cellulose ether?
Feem ntau hais lus, viscosity ntawm hydroxypropyl methylcellulose yog siab dua, tab sis nws kuj nyob ntawm qhov kev hloov pauv thiab qhov nruab nrab ntawm kev hloov pauv. Hydroxypropyl methylcellulose yog non-ionic cellulose ether nrog cov hmoov dawb tsos thiab tsis muaj ntxhiab tsw thiab tsis qab, solubl ...Nyeem ntxiv -
Hydroxyethyl methyl cellulose (HEMC) yog dab tsi?
Hydroxyethyl methyl cellulose (HEMC) yog dab tsi? Hydroxyethyl methylcellulose (HEMC) tseem hu ua methylhydroxyethyl cellulose (MHEC). Nws yog ib qho dawb, greyish dawb, los yog yellowish dawb particle. Nws yog non-ionic cellulose ether tau los ntawm kev ntxiv ethylene oxide rau methyl cellulose. Nws yog ua los ntawm f ...Nyeem ntxiv -
methyl cellulose ether siv rau dab tsi? Cellulose ether ua li cas?
Cellulose Ether - Thickening thiab Thixotropy Cellulose ether endows ntub mortar nrog viscosity zoo heev, uas tuaj yeem ua rau kom muaj qhov adhesion ntawm ntub mortar thiab puag txheej, txhim kho cov kev ua haujlwm ntawm cov tshuaj khib nyiab, thiab siv dav hauv plastering mortar, ceramic pobzeb bondin ...Nyeem ntxiv -
Dab tsi yog redispersible emulsion hmoov siv rau?
Redispersible emulsion hmoov yog dispersion ntawm polymer lotion tom qab ziab qhuav. Nrog nws cov kev txhawb nqa thiab kev siv, kev ua tau zoo ntawm cov khoom siv hauv tsev tau zoo heev, thiab kev sib raug zoo thiab kev sib koom ua ke ntawm cov ntaub ntawv tau raug txhim kho. Nws tuaj yeem txhim kho lub perf ...Nyeem ntxiv -
Dab tsi ntxiv kev tsim kho 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 particles 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 cov yeeb yaj kiab 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
