Focus on Cellulose ethers

Xov xwm

  • Mechanism ntawm Cellulose Ether Delaying Cement Hydration

    Cellulose ether yuav ncua cov dej ntawm cov cement mus rau qhov sib txawv, uas yog tshwm sim hauv kev ncua kev tsim ntawm ettringite, CSH gel thiab calcium hydroxide. Tam sim no, cov txheej txheem ntawm cellulose ether ncua cov cement hydration feem ntau suav nrog qhov kev xav ntawm hindered ion zog, alka ...
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  • Cov txheej txheem tshiab ntawm redispersible latex hmoov

    Cov txheej txheem keeb kwm yav dhau Redividable roj hmab hmoov yog cov hmoov dawb ua tiav los ntawm kev txau thiab ziab tshwj xeeb latex. Nws yog tsuas yog siv los ua ib qho tseem ceeb additive rau "txhiab-sib tov mortar" thiab lwm yam qhuav-mix mortar additives rau sab nrauv phab ntsa rwb thaiv tsev engineering khoom siv ...
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  • Dab tsi yog cellulose derivatives?

    Cellulose derivatives yog tsim los ntawm esterification los yog etherification ntawm hydroxyl pawg nyob rau hauv cellulose polymers nrog tshuaj reagents. Raws li cov yam ntxwv ntawm cov khoom siv tshuaj tiv thaiv, cellulose derivatives tuaj yeem muab faib ua peb pawg: cellulose ethers, cellulose est ...
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  • Dab tsi yog qhov txawv ntawm ntau hom cellulose?

    Cellulose ether yog cov ntsiab lus dav dav rau cov khoom lag luam uas tsim los ntawm cov tshuaj tiv thaiv ntawm alkali cellulose thiab etherifying tus neeg sawv cev nyob rau hauv qee yam mob. Alkali cellulose yog hloov los ntawm cov neeg ua haujlwm sib txawv kom tau txais cov cellulose ethers sib txawv. Raws li cov khoom ionization ntawm subs ...
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  • Qhov ua rau npuas thiab qhov zoo thiab qhov tsis zoo ntawm cov npuas thaum siv cov khoom siv cellulose ether

    Cov khoom siv cellulose ether HPMC thiab HEMC muaj ob pawg hydrophobic thiab hydrophilic. Cov pab pawg methoxy yog hydrophobic, thiab pawg hydroxypropoxy txawv raws li txoj haujlwm hloov. Qee qhov yog hydrophilic thiab qee qhov yog hydrophobic. Hydroxyethoxy yog hydrophilic. Lub npe h...
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  • Kev sib raug zoo ntawm cellulose ether, magnesium aluminium silicate thiab npaj txhij-siv mortar thiab qhuav hmoov mortar

    Txhawm rau ua kom qhov kev ua tau zoo ntawm txhua yam ntawm cov khoom sib xyaw ua ke ua tau raws li cov lus qhia thiab kev tsim kho, cov tshuaj khib nyiab yog qhov tseem ceeb. Magnesium aluminium silicate thixotropic lubricant thiab cellulose ether feem ntau yog siv dej-retaining thickeners hauv mo ...
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  • Hydroxypropyl Methyl Cellulose E464

    Hydroxypropyl MethylCellulose E464 Hydroxypropyl Methylcellulose (HPMC) yog ib qho khoom siv hluav taws xob semi-synthetic muab los ntawm cellulose. Nws yog feem ntau siv hauv kev lag luam khoom noj khoom haus raws li cov khoom noj ntxiv nrog tus lej E E464. HPMC yog tsim los ntawm kev kho cellulose nrog kev sib xyaw ntawm alkali thiab etherification agents ...
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  • Synthesis thiab Rheological Properties ntawm Hydroxyethyl Cellulose Ether

    Synthesis thiab Rheological Properties ntawm Hydroxyethyl Cellulose Ether Nyob rau hauv lub xub ntiag ntawm tus kheej-ua alkali catalyst, muaj hydroxyethyl cellulose reacted nrog N-(2,3-epoxypropyl) trimethylammonium chloride (GTA) cationization reagent los npaj high-substitution quaternary ammonium los ntawm qhuav. ...
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  • Kev siv ntawm ethyl methyl cellulose

    Daim ntawv thov ntawm Ethyl methyl cellulose Ethyl Methyl Cellulose (EMC) yog hloov kho cellulose derivative uas feem ntau yog siv los ua cov thickener, binder, thiab zaj duab xis-yav dhau los hauv ntau yam lag luam. Nws yog dej-soluble, dawb los yog dawb-dawb hmoov uas yog tsim los ntawm kev hloov cellulose nrog ethyl thiab methyl ...
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  • Ethyl hydroxyethyl cellulose yog dab tsi?

    Ethyl hydroxyethyl cellulose yog dab tsi? Ethyl Hydroxyethyl Cellulose (EHEC) yog ib qho derivative ntawm cellulose, uas yog ib tug natural polymer tau los ntawm cov khoom cog. EHEC yog cov dej-soluble, dawb los yog tawm-dawb hmoov uas feem ntau siv los ua cov thickener, binder, stabilizer, thiab zaj duab xis-yav dhau los hauv ntau yam ...
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  • Cellulose Ether hauv Ntawv Kev Lag Luam

    Cellulose Ether hauv Ntawv Kev Lag Luam Daim ntawv no qhia txog hom, kev npaj, kev ua haujlwm zoo thiab daim ntawv thov ntawm cellulose ethers hauv kev lag luam papermaking, tso rau tom ntej qee yam tshiab ntawm cellulose ethers nrog txoj kev loj hlob, thiab sib tham txog lawv daim ntawv thov ...
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  • Yuav Ua Li Cas Txhim Kho Kev Ua Haujlwm ntawm Pob Zeb?

    Yuav Ua Li Cas Txhim Kho Kev Ua Haujlwm ntawm Pob Zeb? Los ntawm kev sim sib piv, qhov sib ntxiv ntawm cellulose ether tuaj yeem txhim kho kev ua haujlwm ntawm cov pob zeb zoo tib yam thiab txhim kho lub twj tso kua mis ntawm cov twj tso kua mis. Kev koom ua ke ntawm cellulose ether yuav txo lub zog ntawm pob zeb. Ntsiab...
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