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Qhov tseem ceeb tshaj plaws ntawm cellulose ether yog nws cov dej khaws cia rau hauv cov ntaub ntawv tsim kho. Yog tsis muaj ntxiv cellulose ether, cov txheej nyias nyias ntawm cov mortar tshiab qhuav sai heev uas cov cement tsis tuaj yeem hydrate hauv txoj kev ib txwm thiab cov mortar tsis tuaj yeem tawv thiab ua tiav kev sib koom ua ke zoo. Ntawm...Nyeem ntxiv»
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Cov khoom vitamin yog txhua yam los ntawm paj rwb ntuj lossis ntoo pulp, uas yog tsim los ntawm etherification. Cov khoom cellulose sib txawv siv cov neeg sawv cev etherifying sib txawv. Tus neeg sawv cev etherifying siv hauv hydroxyethyl cellulose (HEC) yog ethylene oxide, thiab tus neeg sawv cev etherifying siv hauv hydroxy...Nyeem ntxiv»
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Daim ntawv thov ntawm hydroxypropyl methylcellulose hauv kev tsim kho mortar plastering mortar Kev khaws cia dej siab tuaj yeem ua rau cov cement puv dej, ua rau lub zog sib txuas ntau ntxiv, thiab tib lub sijhawm, nws tuaj yeem ua rau lub zog tensile thiab shear zog nce ntxiv, zoo heev txhim kho qhov ...Nyeem ntxiv»
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A. Qhov tsim nyog ntawm kev khaws dej Kev khaws dej ntawm cov pob zeb mortar hais txog lub peev xwm ntawm cov pob zeb mortar kom khaws dej. Cov pob zeb mortar uas khaws dej tsis zoo yuav yooj yim los ntshav thiab sib cais thaum thauj mus los thiab khaws cia, uas yog, dej ntab rau saum, thiab xuab zeb thiab cement poob rau hauv qab. Nws yuav tsum yog ...Nyeem ntxiv»
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1. Lub npe cuav ntawm hydroxypropyl methylcellulose yog dab tsi? ——Teb: Hydroxypropyl Methyl Cellulose, Lus Askiv: Hydroxypropyl Methyl Cellulose Lub Npe Luv: HPMC lossis MHPC Alias: Hypromellose; Cellulose Hydroxypropyl Methyl Ether; Hypromellose, Cellulose, 2-hydroxypropylmethyl Cellulose ether. Cellulose ...Nyeem ntxiv»
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Cov hmoov latex uas yaj tau dua yog cov hmoov uas yaj tau dua hauv dej, uas yog cov copolymer ntawm ethylene thiab vinyl acetate, nrog polyvinyl cawv ua cov colloid tiv thaiv. Yog li ntawd, cov hmoov latex uas yaj tau dua yog nrov heev hauv kev lag luam kev tsim kho, thiab cov nyhuv tsim kho tsis zoo...Nyeem ntxiv»
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Cov tshuaj khib sib xyaw ua ke: cov tshuaj khib sib xyaw yog ib hom cement, cov khoom sib xyaw zoo, cov khoom sib xyaw thiab dej, thiab raws li cov khoom ntawm ntau yam khoom, raws li qee qhov piv, tom qab ntsuas ntawm qhov chaw sib tov, sib xyaw, thauj mus rau qhov chaw uas lub tsheb thauj khoom siv, thiab nkag mus rau hauv ...Nyeem ntxiv»
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Txog tam sim no, tseem tsis tau muaj daim ntawv qhia txog qhov cuam tshuam ntawm txoj kev ntxiv hydroxyethyl cellulose rau ntawm lub tshuab pleev xim latex. Los ntawm kev tshawb fawb, nws pom tias qhov ntxiv hydroxyethyl cellulose rau hauv lub tshuab pleev xim latex yog txawv, thiab kev ua tau zoo ntawm cov xim latex uas tau npaj tseg yog txawv heev....Nyeem ntxiv»
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Tam sim no muaj ntau tus neeg tsis paub ntau txog hydroxypropyl starch ether. Lawv xav tias muaj qhov sib txawv me ntsis ntawm hydroxypropyl starch ether thiab cov starch ib txwm muaj, tab sis nws tsis yog. Tus nqi ntawm hydroxypropyl starch ether siv rau hauv cov khoom siv mortar yog me me heev, thiab qhov ntxiv ntawm pola...Nyeem ntxiv»
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Hydroxypropyl methylcellulose muab faib ua 2 hom dej txias uas yaj tau sai sai. 1. Gypsum series Hauv cov khoom gypsum series, cellulose ether feem ntau yog siv rau kev khaws dej thiab du. Ua ke lawv muab qee qhov kev pab. Nws tuaj yeem daws qhov kev tsis ntseeg txog kev tawg nruas thiab ...Nyeem ntxiv»
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Hauv cov hmoov putty, nws ua peb lub luag haujlwm ntawm kev ua kom tuab, khaws dej thiab tsim kho. Kev ua kom tuab: Cellulose tuaj yeem ua kom tuab kom ncua thiab khaws cov tshuaj kom sib npaug, thiab tiv taus kev sagging. Kev khaws dej: Ua kom cov hmoov putty qhuav qeeb qeeb los pab cov tshauv calcium kom teb rau hauv qab...Nyeem ntxiv»
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Yaj 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 pauv nrog viscosity, qhov qis dua qhov viscosity, qhov ntau dua qhov solubility. Ntshav tsis kam: Hydroxypropyl methylcellulose rau kev tsim kho ...Nyeem ntxiv»