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【Introduction】 Chemical Name: Hydroxypropylmethyl cellulose (HPMC) Molecular Formula:[C6H7O2(OH)3-mn(OCH3)m(OCH3CH(OH)CH3)n]x Cov Qauv Qauv: Qhov twg :R=-H , -CH3 , los yog -CH2CHOHCH3; X = degree ntawm polymerization . Cov ntawv luv: HPMC 【Cov yam ntxwv】 1. Dej-soluble, non-ionic cellulose c...Nyeem ntxiv»
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Cellulose ether yog ib qho hluavtaws polymer ua los ntawm ntuj cellulose ua raw khoom los ntawm kev hloov tshuaj. Cellulose ether yog derivative ntawm natural cellulose, cellulose ether ntau lawm thiab hluavtaws polymer yog txawv, nws cov khoom siv yooj yim tshaj plaws yog cellulose, natural polymer compounds. Vim t...Nyeem ntxiv»
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Kev tshawb fawb thiab kev soj ntsuam ntawm cov xwm txheej tam sim no ntawm txoj kev loj hlob ntawm Cellulose ether kev lag luam hauv Suav teb.Cellulose ether nyob rau hauv Suav teb pib lig, cov teb chaws tsim kev lag luam thaum ntxov yog tus paub tab, tam sim no, thoob ntiaj teb paub zoo cellulose ether cov lag luam yog loj gl.. .Nyeem ntxiv»
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Tshuaj muaj pes tsawg leeg: cellulose ether compound QualiCell ™ Hydroxyethyl cellulose ether (HEC) yog ib chav kawm ntawm non-ionic dej-soluble polymers. Nws daim ntawv pom meej yog cov hmoov dawb ntws. HEC yog ib hom hydroxylalkyl cellulose ether tsim los ntawm cov tshuaj tiv thaiv cellulose nrog ethylene oxide nyob rau hauv al ...Nyeem ntxiv»
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Kev sim txoj kev rau cov khoom thiab viscosity ntawm redispersible polymer hmoov RDP, thoob ntiaj teb yog dav siv los disperse polymer hmoov RDP nrog vinyl acetate thiab ethylene copolymerized emulsion hmoov, ethylene thiab vinyl chloride thiab lauric acid vinyl ester ternary copolymer hmoov, yas acetate thiab ...Nyeem ntxiv»
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Tiantai Cellulose tuam txhab tshwj xeeb hauv kev tshawb fawb, kev tsim kho, kev tsim khoom thiab kev muag khoom ntawm hydroxypropyl methyl cellulose HPMC cov khoom. Lub purity ntawm HPMC hydroxypropyl methyl cellulose yog cov khoom lag luam uas txhawj xeeb tshaj plaws rau cov tuam ntxhab thiab cov neeg siv khoom. Ntawm no peb hydroxypropyl methyl cellu ...Nyeem ntxiv»
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HPMC yog hu ua hydroxypropyl methylcellulose. HPMC cov khoom xaiv cov paj rwb ntshiab heev cellulose ua raw khoom thiab yog tsim los ntawm tshwj xeeb etherification nyob rau hauv alkaline tej yam kev mob. Tag nrho cov txheej txheem tau ua tiav raws li GMP cov xwm txheej thiab kev saib xyuas tsis siv neeg, tsis muaj cov khoom xyaw nquag suc ...Nyeem ntxiv»
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Hydroxypropyl methyl cellulose (HPMC) viscosity rau Skim tsho? - teb: Skim lub tsho tiv no yog ok feem ntau HPMC 100000cps, qee qhov siab ntawm qhov yuav tsum tau muaj hauv mortar, xav tau 150000cps muaj peev xwm siv. Ntxiv mus, HPMC yog lub luag haujlwm tseem ceeb tshaj plaws ntawm kev khaws dej, ua raws li cov thickening. Hauv Skim tsho tiv no, zoo li ...Nyeem ntxiv»
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1. Cov kev qhia tseem ceeb ntawm hydroxypropyl methyl cellulose (HPMC) yog dab tsi? HPMC Hydroxypropyl cov ntsiab lus thiab viscosity, cov neeg siv feem ntau txhawj xeeb txog ob qhov ntsuas no. Kev tuav dej yog feem ntau zoo dua rau cov uas muaj cov ntsiab lus hydroxypropyl siab. High viscosity, dej tuav, re ...Nyeem ntxiv»
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Ntau tus neeg siv tsis tshua tau them nyiaj rau qhov teeb meem ntawm hydroxypropyl methyl cellulose HPMC gel kub. Niaj hnub no, hydroxypropyl methyl cellulose HPMC feem ntau yog qhov txawv ntawm viscosity, tab sis rau qee qhov chaw tshwj xeeb thiab kev lag luam tshwj xeeb, tsuas yog cov viscosity ntawm cov khoom tau cuam tshuam. N...Nyeem ntxiv»
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Hydroxypropyl methyl cellulose HPMC yog ib qho uas tsis yog-ionic cellulose ether ua los ntawm cov khoom siv ntuj polymer cellulose los ntawm kev ua tshuaj lom neeg. Lawv yog cov tsis muaj ntxhiab, tsis qab thiab tsis muaj tshuaj lom cov hmoov dawb uas swells rau hauv cov kua ntshiab lossis me ntsis turbid colloidal hauv dej txias. Nws muaj ...Nyeem ntxiv»
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Hauv cov khoom sib xyaw ua ke, qhov sib ntxiv ntawm hydroxypropyl methyl cellulose HPMC yog qhov tsawg heev, tab sis nws tuaj yeem txhim kho kev ua haujlwm ntawm cov mortar ntub dej, uas yog ib qho tseem ceeb ntxiv uas cuam tshuam rau kev tsim kho ntawm mortar. Cellulose ethers nrog txawv viscosity thiab ib tug ...Nyeem ntxiv»