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Cellulose ether yog ib qho polymer tsim los ntawm cov cellulose ntuj los ntawm kev hloov kho tshuaj lom neeg. Cellulose ether yog ib qho derivative ntawm cellulose ntuj. Kev tsim cov cellulose ether txawv ntawm cov polymers tsim. Nws cov khoom siv yooj yim tshaj plaws yog cellulose, ib qho tshuaj polymer ntuj. Vim yog ...Nyeem ntxiv»
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Hauv cov mortar qhuav, cellulose ether yog ib qho khoom siv tseem ceeb uas tuaj yeem txhim kho kev ua tau zoo ntawm cov mortar ntub thiab cuam tshuam rau kev ua haujlwm ntawm mortar. Methyl cellulose ether ua lub luag haujlwm ntawm kev khaws dej, thickening, thiab kev txhim kho kev ua haujlwm ntawm kev tsim kho. Kev khaws dej zoo...Nyeem ntxiv»
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Nyob rau hauv xyoo tas los no, nrog rau kev siv maj mam ntawm cov cai tseem ceeb ntawm kev ua raws li lub tswv yim kev txhim kho kev tshawb fawb thiab tsim kom muaj lub zej zog txuag cov peev txheej, kuv lub teb chaws cov tshuaj khib nyiab tsim kho tab tom ntsib kev hloov pauv ntawm cov tshuaj khib nyiab ib txwm mus rau cov tshuaj khib nyiab qhuav, thiab kev tsim kho qhuav-sib xyaw ...Nyeem ntxiv»
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Cov hmoov qhuav yog cov hmoov qhuav sib xyaw ua los ntawm polymer lossis cov hmoov qhuav uas tau ua tiav lawm. Nws yog ib hom cement thiab gypsum ua cov khoom siv tseem ceeb. Raws li cov kev xav tau ntawm kev ua haujlwm ntawm lub tsev sib txawv, cov hmoov qhuav thiab cov khoom ntxiv rau hauv ib qho kev faib ua feem. Nws yog cov hmoov qhuav uas siv rau hauv kev tsim kho vaj tse...Nyeem ntxiv»
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Viscosity yog ib qho tseem ceeb ntawm kev ua tau zoo ntawm cellulose ether. Feem ntau hais lus, qhov siab dua qhov viscosity, qhov zoo dua qhov dej khaws cia ntawm gypsum mortar. Txawm li cas los xij, qhov siab dua qhov viscosity, qhov siab dua qhov hnyav molecular ntawm cellulose ether, thiab qhov txo qis hauv nws cov...Nyeem ntxiv»
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1. Cellulose ethers (MC, HPMC, HEC) MC, HPMC, thiab HEC feem ntau siv rau hauv kev tsim kho putty, xim, mortar thiab lwm yam khoom, feem ntau yog rau kev khaws dej thiab lubrication. nws yog qhov zoo. Kev tshuaj xyuas thiab kev txheeb xyuas txoj kev: Hnyav 3 grams ntawm MC lossis HPMC lossis HEC, muab tso rau hauv 300 ml dej thiab do u...Nyeem ntxiv»
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Hauv cov mortar sib xyaw ua tiav, qhov ntxiv ntawm cellulose ether yog tsawg heev, tab sis nws tuaj yeem txhim kho qhov kev ua tau zoo ntawm cov mortar ntub, thiab nws yog ib qho khoom siv tseem ceeb uas cuam tshuam rau kev ua tau zoo ntawm cov mortar. Kev xaiv tsim nyog ntawm cellulose ethers ntawm ntau yam sib txawv, sib txawv visc ...Nyeem ntxiv»
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Cellulose ether yog ib qho polymer semi-synthetic uas tsis yog ionic, uas yog dej-soluble thiab solvent-soluble. Nws muaj cov teebmeem sib txawv hauv ntau yam lag luam. Piv txwv li, hauv cov ntaub ntawv siv tshuaj lom neeg hauv tsev, nws muaj cov teebmeem sib xyaw ua ke hauv qab no: ①Tus neeg sawv cev khaws dej, ②Thickener, ③Leveling khoom, ④Film f...Nyeem ntxiv»
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Tam sim no, ntau cov masonry thiab plastering mortars muaj kev ua haujlwm tsis zoo, thiab cov dej slurry yuav sib cais tom qab ob peb feeb sawv. Yog li nws yog ib qho tseem ceeb heev uas yuav tsum ntxiv cov cellulose ether kom tsim nyog rau hauv cov cement mortar. 1. Kev khaws dej ntawm cellulose ether Dej rov qab...Nyeem ntxiv»
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Cov tshuaj mortar uas nws tus kheej leveling tuaj yeem siv nws qhov hnyav los tsim lub hauv paus tiaj tus, du thiab muaj zog rau ntawm lub substrate rau kev tso lossis sib txuas lwm yam khoom, thiab tib lub sijhawm nws tuaj yeem ua tiav kev tsim kho loj thiab ua haujlwm tau zoo. Yog li ntawd, kev ua haujlwm siab yog ib qho tseem ceeb heev ntawm kev leveling nws tus kheej...Nyeem ntxiv»
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Gypsum Desulfurization yog ib qho khoom lag luam gypsum tau los ntawm kev desulfurizing thiab purifying cov roj flue tsim tawm tom qab combustion ntawm cov roj sulfur-muaj los ntawm cov txiv qaub zoo lossis limestone hmoov slurry. Nws cov tshuaj lom neeg muaj pes tsawg leeg zoo ib yam li cov dihydrate gypsum ntuj, feem ntau yog CaS ...Nyeem ntxiv»
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Kev faib tawm Cellulose Ether Cellulose ether yog ib lo lus dav dav rau cov khoom tsim los ntawm cov tshuaj tiv thaiv ntawm alkali cellulose thiab etherifying tus neeg sawv cev nyob rau hauv qee qhov xwm txheej. Thaum alkali cellulose raug hloov los ntawm cov neeg sawv cev etherifying sib txawv, cov cellulose ethers sib txawv yuav tau txais. Ac...Nyeem ntxiv»