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Cov tshuaj khib ntub yog cov cement, cov pob zeb me me, cov tshuaj sib tov, dej thiab ntau yam khoom sib xyaw txiav txim siab raws li kev ua tau zoo. Raws li qee qhov sib piv, tom qab ntsuas thiab sib tov hauv qhov chaw sib tov, nws raug thauj mus rau qhov chaw siv los ntawm lub tsheb sib tov, thiab muab tso rau hauv qhov tshwj xeeb Cov dej ntub ...Nyeem ntxiv»
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Cov tshuaj ntxiv ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev ua haujlwm ntawm kev tsim cov tshuaj mortar qhuav, tab sis kev ntxiv cov tshuaj mortar qhuav ua rau tus nqi khoom siv ntawm cov khoom siv mortar qhuav siab dua li cov tshuaj mortar ib txwm muaj, uas suav txog ntau dua 40% ntawm tus nqi khoom siv hauv cov tshuaj mortar qhuav ...Nyeem ntxiv»
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Hydroxypropyl methylcellulose yog ua los ntawm paj rwb cellulose ntshiab heev los ntawm kev sib xyaw tshwj xeeb hauv qab alkaline, thiab tag nrho cov txheej txheem ua tiav hauv qab kev saib xyuas tsis siv neeg. Nws tsis yaj hauv ether, acetone thiab ethanol kiag li, thiab swells mus rau hauv ib qho meej lossis me ntsis cloudy collo...Nyeem ntxiv»
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Ib qho me me ntawm hydroxypropyl methylcellulose ether ua rau cov dej nyob hauv lub mortar kom txaus rau lub sijhawm los txhawb kev ua kom cov cement noo thiab txhim kho kev sib txuas ntawm lub mortar thiab lub substrate. Cov nyhuv ntawm qhov loj me ntawm cov khoom me me thiab lub sijhawm sib tov ntawm Hydroxypropyl Methyl Cellulose Ether ...Nyeem ntxiv»
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Cellulose ether yog ib hom khoom siv polymer ntuj tsim, uas muaj cov yam ntxwv ntawm emulsification thiab suspension. Ntawm ntau hom, HPMC yog ib qho uas muaj cov zis siab tshaj plaws thiab siv dav tshaj plaws, thiab nws cov zis tau nce sai. Nyob rau hauv xyoo tas los no, ua tsaug rau kev loj hlob ntawm...Nyeem ntxiv»
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Hydroxypropyl methylcellulose (HPMC) yog cov cellulose ether uas tsis yog ionic ua los ntawm cov khoom siv polymer ntuj cellulose los ntawm ntau cov txheej txheem tshuaj lom neeg. Lawv yog cov hmoov dawb tsis muaj ntxhiab, tsis muaj saj thiab tsis muaj tshuaj lom uas swells rau hauv cov kua colloidal meej lossis me ntsis pos huab hauv dej txias. Nws muaj t...Nyeem ntxiv»
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Hmoov nplaum Gypsum (hmoov qhuav sai) (Daim ntawv qhia 1) Cov khoom siv sib txuas (kg) Hmoov roj hmab uas tawg tau dua 5-5.5 Gypsum retarder 0.5-1 Paris plaster hmoov (qhov dawb tshaj 85) 750 Calcium hnyav (hmoov ya ob npaug) 250 Kev nplaum zoo, lub sijhawm qhib 20-30 feeb. Hmoov qhuav ...Nyeem ntxiv»
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Non-ionic cellulose ether yog ib yam khoom siv tshuaj tseem ceeb uas xav tau los ntawm kev lag luam khoom siv hauv tsev thiab kev lag luam txheej. Tam sim no, nyob rau hauv keeb kwm yav dhau los ntawm kev nce ntxiv tas mus li ntawm tag nrho cov txiaj ntsig ntawm kev lag luam kev tsim kho hauv tsev thiab kev nthuav dav tas mus li ntawm cov txheej...Nyeem ntxiv»
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Kev Taw Qhia Txog Xim Pob Zeb Tiag Xim Pob Zeb Tiag yog ib hom xim uas muaj cov nyhuv zoo nkauj zoo li granite thiab marble. Cov xim pob zeb tiag feem ntau yog ua los ntawm cov hmoov pob zeb ntuj ntawm ntau yam xim, uas yog siv rau cov nyhuv pob zeb cuav ntawm kev tsim phab ntsa sab nraud, tseem hu ua kua s...Nyeem ntxiv»
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Kev khaws dej ntau tuaj yeem ua rau cov cement muaj dej txaus, ua rau lub zog sib txuas ntxiv ntau ntxiv, thiab tib lub sijhawm, nws tuaj yeem ua rau lub zog tensile thiab lub zog shear nce ntxiv, txhim kho cov txiaj ntsig ntawm kev tsim kho thiab txhim kho kev ua haujlwm zoo. Kev siv hydroxypropyl methylc...Nyeem ntxiv»
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Cov tshuaj ntxiv ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev ua haujlwm ntawm kev tsim cov tshuaj mortar qhuav, tab sis kev ntxiv cov tshuaj mortar qhuav ua rau tus nqi khoom siv ntawm cov khoom siv mortar qhuav siab dua li cov tshuaj mortar ib txwm muaj, uas suav txog ntau dua 40% ntawm tus nqi khoom siv hauv cov tshuaj mortar qhuav ...Nyeem ntxiv»
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Cellulose ether yog ib qho polymer compound synthesized los ntawm cellulose ntuj los ntawm cov txheej txheem etherification, thiab yog ib qho zoo heev thickener thiab dej retention agent. Kev Tshawb Fawb Keeb Kwm Cellulose ethers tau siv dav hauv cov mortar qhuav-mixed hauv xyoo tas los no, feem ntau siv dav yog qee cov non-ionic...Nyeem ntxiv»