Txoj moo
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Dab tsi yog vim li cas rau lub sijhawm tsis ruaj khov lub sijhawm ntawm cov tshuaj khib sib xyaw qhuav?
Lub sijhawm teem cug hauv lub teb chaws tus qauv yog 3-8 teev, tab sis lub sijhawm teeb tsa ntawm ntau cov khoom noj muaj zog tsis ruaj khov. Qee tus neeg yuav khoom tuag tau teem sijhawm ntev thiab tsis ua lub sijhawm ntev. Tab sis nws yog nquag mus tawg nyob rau hauv tom qab theem. Yog li vim li cas thiaj qhuav-mixed cug nws tau unstabl ...Nyeem ntxiv -
Dab tsi yog qhov kev sib raug zoo ntawm cov hmoov tshauv ntawm hydroxypropylencellulose thiab qhov zoo ntawm cellulose?
Ua ntej tshaj plaws, peb yuav tsum paub dab tsi yog hmoov tshauv? Thaum hlawv ntawm qhov kub thiab txias, hydroxypropylulose undergotes muaj kev hloov pauv ntawm lub cev thiab kev khiav tawm, thaum lub inorganic ntsev (feem ntau yog cov ntsev inorganic (oxides) nyob twj ywm, thiab ...Nyeem ntxiv -
Dissolvating txoj kev thiab kev txiav txim txoj kev ntawm hydroxyprropal methylcellose hpmc
Cov Qauv Xeem Txuj Ci Lub Npe: Hypromellose-hypromellose-hydroxypropoxy Pab Pawg Kev Txiav Txim Siab los txiav txim siab los txiav txim siab cov ntsiab lus hydroxyprropoxy hauv hypromellose. Hom no yog siv tau rau hy ...Nyeem ntxiv -
Tuaj yeem resin polymer hmoov hloov cov hmoov redispersible.
Raws li cov tsis yog-ionic surfactant, hydroxyethyl cellulose muaj cov khoom hauv qab no ntxiv, kev sib koom ua ke, dej tuav thiab muab cov kev tiv thaiv kev tiv thaiv. Hydroxyethyl cellulose (HEC Peb txhua yam nws paub tias ob yam hydroxyethyl cellulose hec ...Nyeem ntxiv -
Koj paub ntau npaum li cas txog ntau yam kev siv ntawm cellulose thiab nws cov derivatives?
Hais txog cellulose cellulose yog macromolecular polysaccharide tsim los ntawm cov piam thaj. Nws muaj nyob rau hauv cov khoom loj hauv cov nroj tsuag ntsuab thiab cov kab mob marrine. Nws yog qhov feem ntau faib cov khoom faib loj tshaj plaws thiab cov khoom siv polymer loj tshaj plaws hauv xwm. Nws muaj zoo biocompatibility, rov txuas dua tshiab thiab biodegradable thiab oth ...Nyeem ntxiv -
Qhov zoo ntawm cellulose txiav txim siab cov tshuaj khib zoo, koj xav li cas?
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 -
Cov kev siv ntawm cellulose ethere hauv cov teb sib txawv?
Cellulose ether yog tsis yog-ionic semi-synthetic high molecular polymular, uas yog dej-soluble thiab kuab-soluble. Nws muaj cov teebmeem sib txawv hauv kev lag luam sib txawv. Piv txwv li, hauv cov khoom siv hauv tsev, nws muaj cov kev cuam tshuam nrog cov tshuaj hauv qab no: ① dej tuav tus neeg sawv cev, cov neeg ua haujlwm, HDLVELING ...Nyeem ntxiv -
Nyob rau hauv daim teb twg thiaj li tuaj yeem siv cellulose ether?
1. Roj av lag luam sodium carboxymethyl cellulose feem ntau yog siv nyob rau hauv kev tsim cov av nkos kom muaj vencosity thiab txo cov dej poob. Nws tuaj yeem tiv thaiv ntau cov pa phem soluble thiab nce cov roj rov qab. Sodium Carboxymethyl Hydroxyprropyl cellulose (Nacmhp ...Nyeem ntxiv -
Cellulose ether?
Txoj kev txhim kho ntawm cov tsis-ionic cellulose kev lag luam ether yog cov lus qhia tseem ceeb ntawm kev txhim kho yav tom ntej yog hais txog cov qauv ether ua los ntawm cov qauv ethoculose. Nws yog soluble hauv dej, dilute alkali daws thiab organic s ...Nyeem ntxiv -
Txoj kev loj hlob ntawm cov zaub mov khoom noj Qib Ethere li cas?
1) Kev thov cov khoom noj tseem ceeb ntawm cellulose cellulose cellulose, uas tuaj yeem siv cov khoom noj khoom haus, khaws cia rau cov zaub mov ci, feem ntau yog cov zaub mov ci, cov zaub mov muaj fiber ntau ...Nyeem ntxiv -
Yuav ua li cas hais txog kev txhim kho tsev ntawm lub tsev cov khoom siv cov khoom siv hauv cellulose ether?
1) Daim ntawv thov lub tsev loj ntawm lub tsev cov khoom siv qib cellulose ether cov ntaub ntawv tsim tsev yog lub tseem ceeb ntawm cellulose ether. Cellulose ether muaj cov khoom zoo heev xws li thickening, thiab rov siv dav, yog li ntawd yuav siv tau zoo heev morta ...Nyeem ntxiv -
Dab tsi yog qhov kev txhim kho pom zoo ntawm cov tshuaj celluleutical qib ether?
1) Daim ntawv thov tseem ceeb ntawm cov kws tshuaj ntawm cov tshuaj ether rau ntawm cov ntsiav tshuaj, uas tau siv tshuaj tiv thaiv kab mob, cov zaub mov tseem ceeb thiab muaj lwm daim teb ...Nyeem ntxiv