Txoj moo
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Hypromellose (HPMC) siv nyob rau hauv ncua-tso tawm matrix ntsiav tshuaj?
Hauv kev lag luam kws tshuaj, hypromellose (HPMC, Metocel ™) tuaj yeem siv los ua cov ntaub ntawv, ntsiav tshuaj txheej, ntsiav tshuaj Hypromellose tau siv nyob rau hauv cov ntsiav tshuaj rau ntau tshaj 60 xyoo thiab yog tus key expipient dav siv hauv hydrophilic gel Matrix ntsiav tshuaj. Ntau tus p ...Nyeem ntxiv -
Dab tsi yog daim ntawv thov ntawm hydroxypropyl methylcellulose ether hauv tshuab blasting cug?
Lub tshuab siv tshuab hluav taws xob tau sim thiab nce qib rau ntau xyoo nyob rau hauv Suav teb, tab sis tsis muaj kev nce qib ntau tau ua. Ntxiv nrog rau cov neeg tsis huv txog kev hloov pauv ntawm kev kho tshuab me nyuam yuav coj mus rau txoj kev siv ua ib txwm muaj, qhov laj thawj tseem ceeb ...Nyeem ntxiv -
Dab tsi yog cov cellulose ether muaj ntawm cov khoom noj npuas?
1. Cua sov ntawm cov dej thaiv raws li cov txheej txheem cua sov (0 ~ 15h)Nyeem ntxiv -
Yuav ua li cas hais txog hydroxypropy kas methylcellose 400 viscosity raws li kev sib khib tus kheej?
Kev sib xyaw tus kheej yog ib cov khoom sib xyaw kom qhuav hmoov nplej muaj ntau cov khoom xyaw nquag, uas tuaj yeem siv tau tom qab tov nrog dej rau ntawm qhov chaw. Tom qab me ntsis kis nrog tus scraper, ib tug siab tiaj tus hauv paus tuaj yeem tau txais. Lub nrawm nrawm nrawm nrawm, thiab koj tuaj yeem taug kev nyob hauv 24 teev ...Nyeem ntxiv -
Koj puas nkag siab lub luag haujlwm tseem ceeb ntawm cellulose ether hauv npaj txhij cug?
Hauv kev npaj-sib nphua kab cug, ntxiv cov nyiaj ntawm cellulose yog tsawg, tab sis nws yog lub ntsiab ntxiv uas cuam tshuam kev tsim kho ntawm cug. Cov neeg xaiv tsim nyog ntawm cellulose muaj cov neeg muaj kev hais txog ntau yam, txawv visc ...Nyeem ntxiv -
Yam dab tsi cuam tshuam rau lub thickening ntawm cellulose ether?
Lub thickening nyhuv ntawm cellulose cuam tshuam nyob ntawm: Qib polymerization ntawm cellulization ntawm cov tshuaj ether, shear tus nqi, kub thiab lwm yam kev mob. Cov cuab yeej ntawm cov kev daws teeb meem yog qhov tshwj xeeb rau alkyl cellulose thiab nws tau hloov cov derivatives. Cov khoom gelation yog r ...Nyeem ntxiv -
Hydroxyethyl cellulose raws li tuab?
Cellulose yog polysaccharide uas ua ntau yam dej-soluble kev ua neej. Cellulose thickeners yog cov dej tsis muaj dej-soluble polymers. Nws siv keeb kwm ntev heev, ntau dua 30 xyoo, thiab muaj ntau yam. Lawv tseem siv nyob rau hauv yuav luag txhua cov xim looj kua thiab yog cov tseem ceeb ntawm cov thickeners ...Nyeem ntxiv -
Dab tsi yog cov txiaj ntsig ntawm hydroxypropyl methylcellose ntawm cov cement cug?
HydroxyPropyyl methylcellulose tuaj yeem txhim kho cov kev rho tawm tsis kam ntawm cov cement cug. HydroxyPropyyl methylcellulose yog dej-soluble polymer compound. Nws feem ntau nce qhov sib xws ntawm kev sib xyaw los ntawm kev nce viscosity ntawm cov dej sib tov. Nws tuaj yeem yog yaj hauv dej los ua ib vi ...Nyeem ntxiv -
Yuav ua li cas thiaj kuaj tau cov ntoo tshauv ntawm hydroxypropyyl methylulose?
Cov hmoov tshauv yog qhov taw qhia tseem ceeb ntawm hydroxypropyyl methylulose. Ntau tus neeg muas zaub feem ntau nug thaum lawv nkag siab hydroxypropylenchylulose: tus nqi tshauv yog dab tsi? HydroxyPropyyl methylcellulose nrog ib cov hmoov tshauv me me txhais tau tias muaj kev coj dawb huv ntau dua; Cellulose nrog cov ntaub ntoo tshauv loj txhais tau tias tus ...Nyeem ntxiv -
Yuav ua li cas xaiv hydroxypropy kas methylcellose rau cov roj cug?
Tus nqi sam hwm ntawm gypsum yog acidic lossis nruab nrab. Tam sim no muaj ob hom kev tsim kho qib hydroxypropyl methylcellose ntawm kev ua lag luam: qeeb-dissolving cellulose thiab cellulose me me (s). Cov cellulose tam sim no tsis haum rau cov tshuab gypsum. Cov khoom lag luam, cov solubility yog ib pluag heev ...Nyeem ntxiv -
Cov nyhuv ntawm kev ntxiv cellulose rau putty hmoov
Thaum peb siv cov hmoov ua kom muaj hmoov, yuav tsum muaj qee yam teeb meem, yog li peb tsis paub tias yog vim li cas. Kuv xav tias yuav tsum muaj xya hom teeb meem uas feem ntau tshwm sim hauv cov hmoov ua kom muaj. Ib qho: ua nws nrawm. Qhov no yog tsuas yog cuam tshuam nrog kev ntxiv ntawm cov hmoov av calcium thiab dej rov qab ntawm cov fiber, ib ...Nyeem ntxiv -
Kev siv ntawm hydroxypropyl methylulose, yuav ua li cas paub qhov txawv ntawm HPMC yooj yim thiab intuitively
Dab tsi yog qhov tseem ceeb siv ntawm hydroxypropyl methylulose? - HPMC tau siv dav hauv cov khoom tsim kho, cov khoom siv hluavtaws, cov tshuaj, cov khoom noj, tshuaj ua liaj ua teb, luam yeeb thiab lwm yam tshuaj lom neeg. HPMC tuaj yeem sib faib ua qib kev tsim kho, zaub mov qib thiab cov khw muag tshuaj ...Nyeem ntxiv