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Koj ua cov hmoov putty li cas?Dab tsi yog cov khoom tseem ceeb hauv putty?
Tsis ntev los no, tau muaj kev nug ntau zaus los ntawm cov neeg siv khoom txog cov hmoov putty, xws li nws nyiam pulverize lossis nws tsis muaj peev xwm ua tiav lub zog.Nws paub tias ntxiv cellulose ether yog tsim nyog los ua cov hmoov putty, thiab ntau tus neeg siv tsis ntxiv dispersible latex hmoov.Ntau tus neeg ua haujlwm n...Nyeem ntxiv -
Kev ua haujlwm ntawm redispersible latex hmoov: Dab tsi yog redispersible hmoov siv rau?
Kev ua haujlwm ntawm redispersible latex hmoov: 1. Lub redispersible latex hmoov (Rigid adhesive hmoov Neutral roj hmab hmoov Neutral latex hmoov) ua ib zaj duab xis tom qab dispersion 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 ...Nyeem ntxiv -
Hydroxypropyl methylcellulose (INN lub npe: Hypromellulose), kuj hu ua hydroxypropyl methylcellulose (HPMC), yog ntau yam uas tsis yog ionic cellulose sib xyaw ethers.
Hydroxypropyl methylcellulose (INN lub npe: Hypromellulose), kuj hu ua hydroxypropyl methylcellulose (HPMC), yog ntau yam uas tsis yog ionic cellulose sib xyaw ethers.Nws yog ib qho khoom siv hluav taws xob, tsis muaj zog, viscoelastic polymer feem ntau siv los ua cov roj nplua nyeem hauv ophthalmology, lossis ua ib qho ntxiv lossis cov khoom siv ntxiv ...Nyeem ntxiv -
Dab tsi yog cov ntaub ntawv raw rau cellulose ether?Leej twg tsim cov cellulose ether?
Cellulose ether yog tsim los ntawm cellulose los ntawm etherification cov tshuaj tiv thaiv nrog ib los yog ob peb etherification tus neeg sawv cev thiab qhuav sib tsoo.Raws li cov qauv tshuaj sib txawv ntawm ether substituents, cellulose ethers tuaj yeem muab faib ua anionic, cationic, thiab non ionic ethers.Ionic cellulose ethers ...Nyeem ntxiv -
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 kom 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 -
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 -
Kev piav qhia txog keeb kwm kev txhim kho txheej txheem 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 xim tshwj xeeb kom qhuav.
Redispersible latex hmoov yog ib hom hmoov nplaum ua los ntawm cov tshuaj pleev xim 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
