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Cov qauv ntawm ob lub cellulose ethers yog muab nyob rau hauv daim duab 1.1 thiab 1.2. Txhua β-D-dehydrated txiv hmab txiv ntoo ntawm ib lub cellulose molecule Lub qab zib chav tsev (chaw rov qab cellulose) yog hloov nrog ib tug ether pab pawg neeg ntawm C (2), C (3) thiab C (6) txoj hauj lwm, piv txwv li mus txog peb. ib pawg ether. Vim o...Nyeem ntxiv»
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Ob leeg hydroxypropyl methylcellulose thiab hydroxyethyl cellulose yog cellulose, qhov txawv ntawm ob yog dab tsi? "Qhov txawv ntawm HPMC thiab HEC" 01 HPMC thiab HEC Hydroxypropyl methylcellulose (Hypromellose), tseem hu ua hypromellose, yog ib hom non-ionic cellulose tov ...Nyeem ntxiv»
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Cov khoom tseem ceeb ntawm hydroxyethyl cellulose yog tias nws yog soluble hauv dej txias thiab dej kub, thiab tsis muaj gelling zog. Nws muaj ntau yam kev hloov pauv qib, solubility thiab viscosity. nag lossis daus. Hydroxyethyl cellulose kua tuaj yeem tsim cov duab pob tshab, thiab muaj cov yam ntxwv ...Nyeem ntxiv»
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Lub luag haujlwm ntawm hydroxypropyl methylcellulose hauv putty Los ntawm thickening, dej tuav thiab kev tsim kho ntawm peb lub luag haujlwm. Thickening: Cellulose tuaj yeem ua kom tuab kom tshem tawm, ua kom cov tshuaj sib xws thiab sib xws, thiab tiv thaiv sagging. Kev tuav dej: Ua kom cov hmoov putty qhuav maj mam, thiab pab t ...Nyeem ntxiv»
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Feem ntau siv cellulose ethers muaj xws li HEC, HPMC, CMC, PAC, MHEC thiab lwm yam. Non-ionic dej-soluble cellulose ether muaj adhesiveness, dispersion stability thiab dej tuav lub peev xwm, thiab yog ib tug nquag siv additive rau lub tsev cov ntaub ntawv. HPMC, MC los yog EHEC yog siv nyob rau hauv feem ntau cement-based los yog gyp ...Nyeem ntxiv»
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Hydroxypropyl methylcellulose (HPMC) Qeb: cov ntaub ntawv txheej; Membrane khoom; Ceev-tswj cov ntaub ntawv polymer rau kev npaj qeeb-tso; Stabilizing tus neeg sawv cev; Kev pab cuam ncua kev kawm ntawv, ntsiav tshuaj nplaum; Reinforced adhesion tus neeg sawv cev. 1. Khoom taw qhia Cov khoom no yog ib qho uas tsis yog-IONIC cellulose ETHER ...Nyeem ntxiv»
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Hydroxypropyl methylcellulose yog teeb meem Cov khoom siv raw ntawm hydroxypropyl methyl cellulose yog cov paj rwb zoo. Nws tsis muaj teeb meem rau tib neeg lub cev. Nws yuav nplaum nyob rau hauv lub qhov ntswg nyob ze, tab sis nws yuav tsis nkag mus rau hauv lub ntsws. Yog tias koj ua haujlwm hauv lub Hoobkas, nws raug nquahu kom hnav lub npog ntsej muag. Hydroxyp...Nyeem ntxiv»
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Lub tsev tshwj xeeb hydroxypropyl methyl cellulose kom tsis txhob ya raws nkag mus rau phab ntsa, yuav yog tus nqi ntawm cov dej noo tuaj yeem nyob hauv cov cement cement tsim kev ua haujlwm zoo hauv dej thiab lub luag haujlwm ntawm hydroxypropyl methyl cellulose hauv mortar tuaj yeem yog proportional rau viscosi. ..Nyeem ntxiv»
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821 putty formula: 821 starch yog 3.5 kg 2488 3kg Hpmc yog 2.5 kg Formula ntawm plaster txheej: 600kg xiav gypsum, Loj dawb hmoov 400kg, Guar gum 4kg, Wood fiber 2kg, HPMC2kg, Tsim nyog tus nqi ntawm citric acid. Raws li cov lus pom zoo raws li qhov tseeb ntawm cov khoom siv raw ...Nyeem ntxiv»
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Hydroxypropyl methyl cellulose muab faib ua ob hom kub - soluble txias - dej - soluble hom. 1, gypsum series nyob rau hauv gypsum series khoom, cellulose ether yog tsuas yog siv rau cov dej tuav thiab nce smoothness. Ua ke lawv muab qee qhov kev pab. Nws tuaj yeem daws t...Nyeem ntxiv»
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1, Dab tsi yog qhov tseem ceeb ntawm kev siv hydroxypropyl methyl cellulose (HPMC)? HPMC yog dav siv hauv cov khoom siv hauv tsev, coatings, hluavtaws resins, ceramics, tshuaj, khoom noj khoom haus, textile, kev ua liaj ua teb, tshuaj pleev ib ce, luam yeeb thiab lwm yam lag luam. HPMC tuaj yeem muab faib ua: qib kev tsim kho, qib zaub mov thiab kev kho mob gr ...Nyeem ntxiv»
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Hydroxypropyl methyl cellulose (HPMC) yog lub ntuj polymer fiber ntau los ntawm kev ua tshuaj lom neeg thiab kev npaj ntawm non-ionic cellulose ether. DB series HPMC yog hloov kho cellulose ether khoom uas yog ntau soluble nyob rau hauv dej thiab tsim tshwj xeeb rau kev txhim kho cov kev kawm ntawm qhuav m ...Nyeem ntxiv»