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qhuav sai Qhov no feem ntau yog vim muaj ntau dhau ntawm cov hmoov calcium tshauv (qhov ntau ntawm cov hmoov calcium tshauv siv rau hauv cov mis putty tuaj yeem txo qis kom haum) muaj feem cuam tshuam nrog tus nqi khaws dej ntawm hydroxypropyl methylcellulose, thiab kuj muaj feem cuam tshuam nrog qhov qhuav ntawm phab ntsa. Peeling ib...Nyeem ntxiv»
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Qhov viscosity tsim nyog ntawm hydroxypropyl methylcellulose (HPMC) yog dab tsi? Hmoov putty feem ntau yog 100,000 yuan, thiab qhov yuav tsum tau rau mortar yog siab dua, thiab 150,000 yuan yog qhov xav tau rau kev siv yooj yim. Ntxiv mus, lub luag haujlwm tseem ceeb tshaj plaws ntawm HPMC yog kev khaws cia dej, ua raws li kev tuab. Hauv th...Nyeem ntxiv»
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Hydroxypropylmethylcellulose (HPMC) yog ib qho tsis muaj ntxhiab, tsis muaj ntxhiab, tsis muaj tshuaj lom milky dawb hmoov uas tuaj yeem yaj rau hauv dej txias los tsim cov kua dej viscous pob tshab. Nws muaj cov yam ntxwv ntawm thickening, bonding, dispersion, emulsification, demulsification, floating, ad...Nyeem ntxiv»
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Cellulose siv dav hauv cov khoom siv rwb thaiv tsev thermal mortar masterbatch, hmoov putty, txoj kev asphalt, cov khoom gypsum thiab lwm yam lag luam. Nws muaj cov yam ntxwv ntawm kev txhim kho thiab ua kom zoo dua cov ntaub ntawv tsim kho, thiab txhim kho kev ruaj khov ntawm kev tsim khoom thiab kev tsim kho. Hnub no, kuv yuav qhia txog ...Nyeem ntxiv»
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Hydroxypropyl methylcellulose yog ib qho cellulose ether uas tsis yog ionic ua los ntawm cov khoom siv polymer ntuj cellulose los ntawm ntau yam txheej txheem tshuaj lom neeg. Lawv yog ib hom hmoov dawb tsis muaj ntxhiab, tsis muaj ntxhiab, tsis muaj tshuaj lom, uas swells hauv dej txias thiab hu ua cov kua colloidal meej lossis me ntsis pos huab. Nws...Nyeem ntxiv»
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Ua ntej: Cov ntsiab lus tshauv qis dua, qhov zoo dua Cov yam ntxwv txiav txim siab rau qhov ntau ntawm cov tshauv seem: 1. Qhov zoo ntawm cov khoom siv cellulose raw (paj rwb zoo): feem ntau qhov zoo dua ntawm cov paj rwb zoo, qhov dawb dua ntawm cov xim ntawm cellulose tsim tawm, qhov zoo dua cov ntsiab lus tshauv thiab wat ...Nyeem ntxiv»
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Hydroxypropyl methylcellulose feem ntau yog siv ua cov khoom tuab hauv kev lag luam txheej, uas tuaj yeem ua rau cov txheej ci thiab mos, tsis yog hmoov, thiab txhim kho cov yam ntxwv ntawm kev sib npaug. Cia kuv qhia koj yuav ua li cas xyuas seb cov hmoov putty puas qhuav. Phab ntsa qhuav tag. Pom tseeb ...Nyeem ntxiv»
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Tam sim no muaj ntau thiab ntau lub khw rau hydroxypropyl carboxymethyl cellulose thiab tus nqi tsis sib npaug, yuav ua li cas kom yooj yim thiab sai sai txiav txim siab qhov zoo ntawm hydroxypropyl carboxymethyl cellulose tau dhau los ua qhov teeb meem tseem ceeb! Yog li yuav ua li cas txiav txim siab qhov zoo ntawm hydroxypropyl methylcellulose? Qhov thib ib...Nyeem ntxiv»
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Cellulose ether hpmc muaj lub luag haujlwm ntawm kev khaws dej thiab thickening hauv cement mortar thiab gypsum-based mortar, uas tuaj yeem txhim kho qhov adhesion thiab ntsug tsis kam ntawm cov ntaub ntawv mortar. Cov yam ntxwv xws li roj kub, kub thiab cua siab muaj qhov cuam tshuam tsis zoo rau ...Nyeem ntxiv»
- Cov khoom siv lub cev thiab cov txheej txheem tsim kho ntawm cellulose rau kev tsim kho yog dab tsi?
Cellulose rau kev tsim kho yog ib qho khoom siv ntxiv uas siv rau hauv kev tsim kho. Cellulose rau kev tsim kho feem ntau yog siv rau hauv cov hmoov qhuav. Kev ntxiv cellulose ether tsawg heev, tab sis nws tuaj yeem txhim kho kev ua tau zoo ntawm cov hmoov ntub thiab cuam tshuam rau kev tsim kho ntawm cov hmoov. Zoo meej...Nyeem ntxiv»
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Tam sim no, qhov zoo ntawm cov hydroxypropyl methylcellulose hauv tsev sib txawv heev, thiab tus nqi sib txawv heev, ua rau nws nyuaj rau cov neeg siv khoom xaiv qhov yog. Lub HPMC hloov kho ntawm tib lub tuam txhab txawv teb chaws yog qhov tshwm sim ntawm ntau xyoo ntawm kev tshawb fawb. Kev ntxiv cov tshuaj lom neeg tuaj yeem ua rau kuv ...Nyeem ntxiv»
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Cov tshuaj sib xyaw ua ke uas tsis tob, uas ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev ua tau zoo ntawm kev tsim cov tshuaj sib xyaw qhuav, suav txog ntau dua 40% ntawm cov nqi khoom siv hauv cov tshuaj sib xyaw qhuav. Feem ntau ntawm cov tshuaj sib xyaw hauv kev lag luam hauv tsev yog muab los ntawm cov chaw tsim khoom txawv teb chaws, thiab cov koob tshuaj siv ntawm cov khoom...Nyeem ntxiv»