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1. Lub ntsiab lus thiab kev ua haujlwm ntawm cov khoom ua kom tuab Cov khoom ntxiv uas tuaj yeem ua rau kom cov xim pleev xim dej ua rau tuab dua hu ua cov khoom ua kom tuab. Cov khoom ua kom tuab ua lub luag haujlwm tseem ceeb hauv kev tsim khoom, kev khaws cia thiab kev tsim cov txheej txheem. Lub luag haujlwm tseem ceeb ntawm cov khoom ua kom tuab yog ua kom cov viscosity ntawm...Nyeem ntxiv»
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Cov txiaj ntsig ntawm HPMC hauv cov qauv tso tawm tswj hwm Hydroxypropyl methylcellulose (HPMC) yog cov polymer siv dav hauv cov qauv tshuaj, tshwj xeeb tshaj yog hauv cov qauv tso tawm tswj hwm. Nws qhov nrov npe los ntawm nws cov khoom tshwj xeeb uas ua rau nws zoo rau cov ntawv thov zoo li no. Ntawm no...Nyeem ntxiv»
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Cov khoom siv rheological ntawm HPMC yog dab tsi? Hydroxypropyl methylcellulose (HPMC) yog cov polymer uas siv tau ntau yam hauv ntau yam lag luam, suav nrog tshuaj, kev tsim kho, khoom noj, thiab tshuaj pleev ib ce, feem ntau vim nws cov khoom siv rheological tshwj xeeb. Rheology yog kev kawm txog f...Nyeem ntxiv»
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Lub Luag Haujlwm ntawm HPMC hauv Kev Txhim Kho Kev Sib Txuas Hauv Cov Txheej Txheem Kev sib txuas ntawm cov txheej txheem yog ib qho tseem ceeb uas cuam tshuam rau kev ua tau zoo thiab kev ruaj khov ntawm ntau yam khoom siv. Hydroxypropyl Methylcellulose (HPMC), ib qho polymer uas siv tau ntau yam, tau txais kev saib xyuas rau nws lub peev xwm hauv kev txhim kho kev sib txuas hauv cov txheej txheem. Kev Taw Qhia...Nyeem ntxiv»
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Cov tshuaj ntxiv rau hauv kev lag luam yog cov tshuaj ntxiv thiab cov khoom siv ntxiv rau hauv kev tsim cov tshuaj thiab cov ntawv sau tshuaj, thiab yog ib feem tseem ceeb ntawm kev npaj tshuaj. Ua ib yam khoom siv polymer ntuj, cellulose ether yog biodegradable, tsis muaj tshuaj lom, thiab pheej yig, xws li sodium carboxymethyl cellulose...Nyeem ntxiv»
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Cov hmoov qhuav yog cov hmoov qhuav semi-finished ua los ntawm cov khoom siv raw hauv lub Hoobkas los ntawm kev sib xyaw kom raug thiab sib tov sib xws. Nws tsuas yog siv tau los ntawm kev ntxiv dej thiab do ntawm qhov chaw tsim kho. Vim muaj ntau yam hmoov qhuav, nws yog siv dav. Ib qho ntawm nws cov yam ntxwv loj tshaj plaws yog tias...Nyeem ntxiv»
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Vim li cas qhov yuav tsum tau khaws dej hauv cov mortar thiaj li siab heev, thiab cov txiaj ntsig zoo ntawm cov mortar nrog kev khaws dej zoo yog dab tsi? Cia kuv qhia rau koj txog qhov tseem ceeb ntawm HPMC kev khaws dej hauv mortar! Qhov xav tau kev khaws dej Kev khaws dej ntawm mortar hais txog lub peev xwm ntawm mort...Nyeem ntxiv»
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1, siv hydroxypropyl methyl cellulose (HPMC) li cas? Lus teb: HPMC siv dav hauv cov ntaub ntawv tsim kho, tshuaj pleev xim, cov khoom siv ua los ntawm cov av nplaum, tshuaj, khoom noj, textile, kev ua liaj ua teb, tshuaj pleev ib ce, luam yeeb thiab lwm yam lag luam. HPMC muaj peev xwm muab faib ua: qib tsim kho, qib zaub mov thiab kuv ...Nyeem ntxiv»
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Cellulose ether dej khaws cia Dej khaws cia ntawm mortar hais txog lub peev xwm ntawm mortar tuav thiab xauv dej. Qhov siab dua qhov viscosity ntawm cellulose ether, qhov zoo dua qhov khaws cia dej. Vim tias cov qauv cellulose muaj hydroxyl thiab ether bond, hydroxyl thiab ether bond pawg ntawm oxygen atom ...Nyeem ntxiv»
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hydroxyethyl cellulose yog dab tsi? Hydroxyethyl cellulose (HEC), dawb lossis daj ntseg, tsis muaj ntxhiab, tsis muaj tshuaj lom fibrous lossis hmoov khoom, npaj los ntawm etherification ntawm alkaline cellulose thiab ethylene oxide (lossis chlorohydrin), uas yog cov genus Nonionic soluble cellulose ethers. Vim tias HEC muaj zoo...Nyeem ntxiv»
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Thaum peb siv cov hmoov putty, feem ntau yuav muaj qee qhov teeb meem, yog li peb tsis paub qhov laj thawj. Kuv xav tias yuav tsum muaj xya hom teeb meem uas feem ntau tshwm sim hauv cov hmoov putty! Ib qho: Ua nws sai. Qhov no feem ntau yog cuam tshuam nrog kev ntxiv ntawm cov tshauv calcium thiab cov dej khaws cia ntawm cov fiber...Nyeem ntxiv»
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Hauv kev siv hydroxypropyl methyl cellulose HPMC, peb feem ntau pom tias nws yog feem ntau muab faib ua ob hom: tam sim ntawd thiab qeeb yaj. Cia peb nkag siab qhov txawv ntawm kev yaj sai thiab qeeb yaj ntawm hydroxypropyl methyl cellulose. Instant HPMC hais txog kev siv cros...Nyeem ntxiv»