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Nyob rau hauv cov hmoov putty, nws plays peb lub luag hauj lwm ntawm thickening, dej tuav thiab kev tsim kho. Thickening: Cellulose tuaj yeem ua kom tuab kom tshem tawm thiab ua kom cov tshuaj sib txawv nce thiab nqis, thiab tiv thaiv sagging. Kev tuav dej: Ua kom cov hmoov qhuav qhuav maj mam los pab cov hmoov tshauv calcium kom hnov mob hauv qab th...Nyeem ntxiv»
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Soluble hauv dej thiab qee cov kuab tshuaj organic tuaj yeem yaj hauv dej txias, nws qhov siab tshaj plaws tsuas yog txiav txim siab los ntawm viscosity, solubility hloov nrog viscosity, qis dua viscosity, ntau dua solubility. Ntsev tsis kam: Hydroxypropyl methylcellulose rau kev tsim kho ...Nyeem ntxiv»
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01. Qhov txawv ntawm fake hydroxypropyl methyl thiab high-zoo hydroxypropyl methyl tsos: Pure starch HPCM zoo nkaus li homogeneous, ntawm 0.3 thiab 0.4 g / ml. Amylum khi rau cov hmoov txhuv nplej siab yog li HPCM yog cov kua thiab tsis tshua muaj kev ntxhov siab dua li cov tshuaj detoxifiers. Cov xwm txheej: hmoov txhuv nplej siab, hpm ...Nyeem ntxiv»
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Ntau tus neeg siv tsis tshua tau them sai sai rau qhov teeb meem ntawm gel kub ntawm hydroxypropyl methylcellulose. Niaj hnub no, hydroxypropyl methylcellulose feem ntau txawv raws li viscosity, tab sis rau qee qhov chaw tshwj xeeb thiab kev lag luam tshwj xeeb, tsuas yog cov viscosity ntawm cov khoom yog cuam tshuam ...Nyeem ntxiv»
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Muaj ntau yam cuam tshuam rau daim ntawv thov ntawm hydroxypropyl methylcellulose HPMC hauv cov khoom siv hauv tsev, tshwj xeeb tshaj yog gypsum-based plaster, raws li hauv qab no: 1 dej tuav Hydroxypropyl methylcellulose rau kev tsim kho tiv thaiv kev nqus dej ntau dhau los ntawm cov substrate, thiab thaum lub gyp...Nyeem ntxiv»
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Ib qho kev sib xyaw ua ke muaj kev txwv hauv kev txhim kho kev ua haujlwm ntawm gypsum slurry. Yog tias qhov kev ua tau zoo ntawm gypsum mortar yog ua tiav cov txiaj ntsig zoo thiab ua tau raws li cov kev xav tau sib txawv, cov khoom siv tshuaj lom neeg, cov khoom sib xyaw, cov khoom ntim, thiab ntau yam ntaub ntawv yuav tsum tau muab sib xyaw thiab c ...Nyeem ntxiv»
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Hydroxypropyl methylcellulose - masonry mortar Txhim kho qhov adhesion nrog lub masonry nto, thiab txhim khu cov dej tuav, kom lub zog ntawm mortar tuaj yeem txhim kho. Txhim kho lubricity thiab plasticity rau kev txhim kho daim ntawv thov zog, daim ntawv thov yooj yim txuag lub sij hawm thiab txhim kho ...Nyeem ntxiv»
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Cellulose hydroxypropyl methyl ether yog tsim los ntawm cov paj rwb ntshiab heev cellulose los ntawm tshwj xeeb etherification nyob rau hauv alkaline tej yam kev mob. Cov nyhuv: 1. Kev tsim kho kev lag luam: Raws li tus neeg saib xyuas dej thiab retarder ntawm cov cement mortar, nws tuaj yeem ua rau cov mortar pumpable. Nyob rau hauv plaster, gypsum, putty hmoov los yog ...Nyeem ntxiv»
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1. Gel kub (0.2% tov) 50-90 ° C. 2. Soluble nyob rau hauv dej thiab feem ntau polar c thiab tsim nyog feem ntawm ethanol / dej, propanol / dej, dichloroethane, thiab lwm yam., insoluble nyob rau hauv ether, acetone, kiag li ethanol, thiab o mus rau hauv ntshiab los yog me ntsis turbid nyob rau hauv dej txias colloidal tov. 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 refined nrog alkali, siv methane chloride ua etherification tus neeg sawv cev, thiab mus los ntawm ib tug series ntawm cov tshuaj tiv thaiv. Feem ntau, cov degree ntawm kev hloov pauv yog 1.6 ~ 2.0, thiab cov solubility kuj txawv nrog ntau qib o ...Nyeem ntxiv»
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Cov tshuaj txhua hnub qib hydroxypropyl methylcellulose yog ib qho hluavtaws polymer ua los ntawm ntuj cellulose paj rwb linters los ntawm kev hloov kho etherification. Cellulose ether yog derivative ntawm natural cellulose. Kev tsim cov cellulose ether yog txawv los ntawm hluavtaws polymers. Nws qhov yooj yim tshaj plaws ma...Nyeem ntxiv»
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Ntxiv hydroxypropyl methylcellulose los ua cov hmoov putty, nws cov viscosity tsis yooj yim kom loj dhau, loj dhau yuav ua rau tsis zoo, yog li viscosity ntau npaum li cas hydroxypropyl methylcellulose rau putty hmoov xav tau? Cia peb tsom xam rau sawv daws. Nws yog qhov zoo tshaj rau ntxiv hydroxypropyl methylc ...Nyeem ntxiv»