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01. Qhov txawv ntawm hydroxypropyl methyl cuav thiab hydroxypropyl methyl zoo tsos: Hmoov txhuv nplej siab HPCM zoo li sib xws dhau, ntawm 0.3 thiab 0.4 g / ml. Amylum khi rau hmoov txhuv nplej siab yog li HPCM yog kua thiab tsis tshua muaj kev ntxhov siab dua li cov tshuaj detoxifiers ib txwm muaj. Cov xwm txheej: hmoov txhuv nplej siab puv nrog hmoov txhuv nplej siab, hpm ...Nyeem ntxiv»
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Ntau tus neeg siv tsis tshua them sai sai rau qhov teeb meem ntawm qhov kub ntawm hydroxypropyl methylcellulose. Niaj hnub no, hydroxypropyl methylcellulose feem ntau yog qhov sib txawv raws li viscosity, tab sis rau qee qhov chaw tshwj xeeb thiab kev lag luam tshwj xeeb, tsuas yog viscosity ntawm cov khoom yog qhov cuam tshuam ...Nyeem ntxiv»
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Muaj ntau yam uas cuam tshuam rau kev siv hydroxypropyl methylcellulose HPMC hauv cov ntaub ntawv tsim kho, tshwj xeeb tshaj yog gypsum-based plaster, raws li nram no: 1 dej khaws cia Hydroxypropyl methylcellulose rau kev tsim kho tiv thaiv kev nqus dej ntau dhau los ntawm lub substrate, thiab thaum lub gyp ...Nyeem ntxiv»
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Ib qho admixture muaj cov kev txwv hauv kev txhim kho kev ua tau zoo ntawm gypsum slurry. Yog tias kev ua tau zoo ntawm gypsum mortar yog kom ua tiav cov txiaj ntsig zoo thiab ua tau raws li cov kev cai thov sib txawv, cov tshuaj admixtures, admixtures, fillers, thiab ntau yam ntaub ntawv yuav tsum tau sib xyaw thiab c ...Nyeem ntxiv»
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Hydroxypropyl methylcellulose - masonry mortar Txhim kho qhov lo rau ntawm masonry, thiab txhim kho qhov khaws dej, kom lub zog ntawm cov mortar tuaj yeem txhim kho. Txhim kho lubricity thiab plasticity rau cov khoom siv txhim kho, kev siv yooj yim dua txuag lub sijhawm thiab txhim kho ...Nyeem ntxiv»
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Cellulose hydroxypropyl methyl ether yog ua los ntawm cov paj rwb cellulose ntshiab heev los ntawm kev sib xyaw tshwj xeeb hauv qab alkaline. cov nyhuv: 1. Kev lag luam tsim kho: Ua tus neeg sawv cev khaws dej thiab retarder ntawm cement mortar, nws tuaj yeem ua rau cov mortar pumpable. Hauv plaster, gypsum, putty hmoov lossis ...Nyeem ntxiv»
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1. Qhov kub ntawm cov tshuaj gel (0.2% kua) 50-90 ° C. 2. Yaj hauv dej thiab feem ntau polar c thiab qhov sib piv ntawm ethanol / dej, propanol / dej, dichloroethane, thiab lwm yam, tsis yaj hauv ether, acetone, ethanol kiag li, thiab o mus rau hauv qhov tseeb lossis me ntsis turbid hauv dej txias colloidal kua. Cov dej ...Nyeem ntxiv»
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MC yog methyl cellulose, uas yog ua los ntawm cellulose ether los ntawm kev kho cov paj rwb zoo nrog alkali, siv methane chloride ua tus neeg sawv cev etherification, thiab dhau los ntawm ntau yam kev tshuaj tiv thaiv. Feem ntau, qib ntawm kev hloov pauv yog 1.6 ~ 2.0, thiab solubility kuj txawv nrog ntau qib sib txawv ntawm ...Nyeem ntxiv»
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Cov tshuaj lom neeg txhua hnub hydroxypropyl methylcellulose yog cov polymer hluavtaws ua los ntawm cov cellulose paj rwb ntuj los ntawm kev hloov kho etherification. Cellulose ether yog ib qho derivative ntawm cellulose ntuj. Kev tsim cov cellulose ether txawv ntawm cov polymers hluavtaws. Nws cov khoom yooj yim tshaj plaws ...Nyeem ntxiv»
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Ntxiv hydroxypropyl methylcellulose los ua hmoov putty, nws cov viscosity tsis yooj yim kom loj dhau, loj dhau yuav ua rau tsis ua haujlwm zoo, yog li ntawd hydroxypropyl methylcellulose rau hmoov putty xav tau viscosity ntau npaum li cas? Cia peb tshuaj xyuas nws rau txhua tus. Nws yog qhov zoo tshaj plaws los ntxiv hydroxypropyl methylcellulose...Nyeem ntxiv»
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Hauv cov cement mortar thiab gypsum-based slurry, hydroxypropyl methylcellulose feem ntau ua lub luag haujlwm ntawm kev khaws cia dej thiab thickening, thiab tuaj yeem txhim kho qhov adhesion thiab sag tsis kam ntawm slurry. Cov yam xws li huab cua kub, kub thiab cua ceev yuav cuam tshuam rau volatili ...Nyeem ntxiv»
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1. Cov teeb meem tshwm sim hauv cov hmoov putty Sai sai kom qhuav: Qhov no feem ntau yog vim muaj cov hmoov calcium ntxiv (loj dhau, cov hmoov calcium siv hauv cov mis putty tuaj yeem txo qis) muaj feem cuam tshuam nrog tus nqi khaws dej ntawm cov fiber, thiab nws kuj muaj feem cuam tshuam nrog dr...Nyeem ntxiv»