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Kev ua cov cellulose muaj ntau txoj hauv kev los rho tawm thiab ua kom zoo los ntawm nws cov khoom siv ntuj, feem ntau yog cov nroj tsuag. Cellulose, ib qho polysaccharide, tsim cov khoom siv ntawm cov phab ntsa cell hauv cov nroj tsuag thiab yog cov polymer organic ntau tshaj plaws hauv ntiaj teb. Nws cov txheej txheem yog qhov tseem ceeb hauv kev lag luam xws li ...Nyeem ntxiv»
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Hauv cov hmoov qhuav mortar, cellulose ether yog ib qho tseem ceeb additive nrog tsawg tus nqi ntxiv, tab sis nws tuaj yeem txhim kho qhov kev sib tov thiab kev tsim kho ntawm mortar. Hais yooj yim, yuav luag txhua qhov ntub sib tov ntawm mortar uas tuaj yeem pom nrog n ...Nyeem ntxiv»
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Tsab xov xwm no feem ntau xaiv MMA, BA, AA ua monomers, thiab tham txog cov yam ntxwv ntawm graft polymerization nrog lawv, xws li cov kab ke ntxiv, qhov ntau ntxiv thiab qhov kub ntawm cov tshuaj tiv thaiv ntawm tus pib thiab txhua monomer, thiab nrhiav pom cov txheej txheem graft polymerization zoo tshaj plaws. Cov roj hmab kuv ...Nyeem ntxiv»
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Hydroxypropyl cellulose, ib yam khoom siv tshuaj, muab faib ua cov hydroxypropyl cellulose uas tsis muaj roj ntau (L-HPC) thiab cov hydroxypropyl cellulose uas muaj roj ntau (H-HPC) raws li cov ntsiab lus ntawm nws cov hydroxypropoxy uas hloov pauv. L-HPC swells mus rau hauv cov kua colloidal hauv dej, muaj cov khoom ...Nyeem ntxiv»
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1. Lub hauv paus theoretical Nws tuaj yeem pom los ntawm cov qauv qauv uas cov hydrogen (Na +) ntawm CMC yooj yim heev rau dissociate hauv cov kua dej (feem ntau muaj nyob rau hauv daim ntawv ntawm sodium ntsev), yog li CMC muaj nyob rau hauv daim ntawv ntawm anion hauv cov kua dej, uas yog, nws muaj tus nqi tsis zoo thiab yog amphoteric....Nyeem ntxiv»
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Hydroxyethyl methyl cellulose HEMC siv tau ua tus neeg sawv cev tiv thaiv colloid, emulsifier thiab dispersant vim nws lub luag haujlwm ua haujlwm ntawm qhov chaw hauv cov kua dej. Ib qho piv txwv ntawm nws daim ntawv thov yog raws li nram no: Cov nyhuv ntawm hydroxyethyl methyl cellulose rau cov khoom ntawm cement. Hydroxyethyl methylce...Nyeem ntxiv»
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Cov tshuaj khib tiv thaiv kab nrib pleb Cov tshuaj khib tiv thaiv kab nrib pleb (cov tshuaj khib tiv thaiv kab nrib pleb), uas yog ua los ntawm cov neeg sawv cev tiv thaiv kab nrib pleb ua los ntawm polymer emulsion thiab admixture, cement thiab xuab zeb sib xyaw nrog dej hauv qee qhov sib piv, tuaj yeem ua kom txaus siab rau qee qhov kev hloov pauv yam tsis muaj kev tawg, thiab koom tes nrog daim ntaub grid ua haujlwm zoo dua. Tsim...Nyeem ntxiv»
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Cov txheej txheem txheej dej ua ib qho chaw thov tseem ceeb ntawm kev lag luam cellulose ether, muaj qhov tsis muaj cov cellulose ether hauv tsev zoo heev los ua kom tau raws li qhov kev thov ua lag luam loj hlob, nrog rau kev sib kis thiab kev hloov pauv hauv qhov xwm txheej thoob ntiaj teb, cov saw hlau cellulose ether kuj tau zoo heev ...Nyeem ntxiv»
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Lub luag haujlwm ntawm cov hmoov latex uas tawg tau dua hauv cov mortar Tam sim no, raws li ntau yam khoom siv hmoov qhuav tshwj xeeb tau maj mam lees txais thiab siv dav, cov neeg hauv kev lag luam them sai sai rau cov hmoov latex uas tawg tau dua ua ib qho ntawm cov khoom ntxiv tseem ceeb ntawm cov hmoov qhuav tshwj xeeb, yog li ntau yam cwj pwm ...Nyeem ntxiv»
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Lub tshuab ua kom tuab ntawm hydroxyethyl cellulose yog kom ua rau kom cov viscosity ntau ntxiv los ntawm kev tsim cov intermolecular thiab intramolecular hydrogen bonds, nrog rau kev ua kom dej thiab cov saw hlau sib txuas ntawm cov saw hlau molecular. Yog li ntawd, txoj kev ua kom tuab ntawm hydroxyethyl cellulose tuaj yeem faib ua ...Nyeem ntxiv»
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Kev tshuaj xyuas qhov tawg ua rau cov txheej gypsum plastering 1. Kev tshuaj xyuas qhov laj thawj ntawm cov khoom siv raw ntawm plastering gypsum a) Cov plaster tsev tsis tsim nyog Cov gypsum tsev muaj cov ntsiab lus siab ntawm dihydrate gypsum, uas ua rau kev sib txuas sai dua ntawm plastering gypsum. Yuav kom ua rau plastering gypsum muaj pro ...Nyeem ntxiv»
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HPMC hydroxypropyl methylcellulose tau dhau los ua ib qho ntawm cov tshuaj pabcuam loj tshaj plaws hauv tsev thiab txawv teb chaws, vim tias HPMC muaj qhov zoo uas lwm cov tshuaj pabcuam tsis muaj. 1. Kev yaj dej Nws yaj tau hauv dej txias hauv qab 40 ℃ lossis 70% ethanol, thiab nws yeej tsis yaj hauv dej kub saum toj no ...Nyeem ntxiv»