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Cellulose siv dav hauv petrochemical, tshuaj, ntawv ua, tshuaj pleev ib ce, cov ntaub ntawv tsim kho, thiab lwm yam. Nws yog ib qho khoom siv ntau yam, thiab kev siv sib txawv muaj cov kev cai ua tau zoo sib txawv rau cov khoom cellulose. Tsab xov xwm no feem ntau qhia txog kev siv thiab txoj kev txheeb xyuas zoo ntawm HPM...Nyeem ntxiv»
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Hauv cov tshuaj pleev ib ce, muaj ntau yam tshuaj tsis muaj xim thiab tsis muaj ntxhiab, tab sis muaj ob peb yam tsis muaj tshuaj lom. Hnub no, kuv yuav qhia rau koj, hydroxyethyl cellulose, uas yog ib qho uas pom ntau hauv ntau cov tshuaj pleev ib ce lossis cov khoom siv niaj hnub. Hydroxyethyl Cellulose【Hydroxyethyl Cellulose】 Kuj hu ua (HEC) yog ib qho dawb ...Nyeem ntxiv»
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Txheej txheem cej luam: hu ua HPMC, dawb lossis tawm-dawb fibrous lossis granular hmoov. Muaj ntau hom cellulose thiab siv dav, tab sis peb feem ntau tiv tauj nrog cov neeg siv khoom hauv kev lag luam hmoov qhuav tsev. Cov cellulose feem ntau yog hais txog hypromellose. Cov txheej txheem ntau lawm: Lub ntsiab r ...Nyeem ntxiv»
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CMC feem ntau yog ib qho anionic polymer compound npaj los ntawm reacting ntuj cellulose nrog caustic alkali thiab monochloroacetic acid, nrog ib tug molecular qhov hnyav ntawm 6400 (± 1 000). Lub ntsiab by-products yog sodium chloride thiab sodium glycolate. CMC yog rau ntuj cellulose hloov kho. Nws tau offic...Nyeem ntxiv»
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Hydroxyethyl cellulose (HEC) yog ib qho dawb lossis daj daj, tsis muaj ntxhiab, tsis muaj tshuaj lom fibrous lossis hmoov khoom npaj los ntawm etherification ntawm alkaline cellulose thiab ethylene oxide (lossis chlorohydrin). Nonionic soluble cellulose ethers. Vim tias HEC muaj cov khoom zoo ntawm thickening, suspending, dispersing, em ...Nyeem ntxiv»
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Muaj ntau tus neeg siv qhia tias carboxymethyl cellulose CMC tsis tuaj yeem ua tau raws li nws cov kev xav tau siv thaum lub sijhawm siv, uas yuav cuam tshuam rau kev siv cov khoom. Cov laj thawj rau qhov teeb meem no yog dab tsi? 1. Rau kev siv carboxymethyl cellulose, nws kuj muaj nws tus kheej adaptability, vim nws tuaj yeem ua rau peb ...Nyeem ntxiv»
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Sodium carboxymethyl cellulose dawb fibrous los yog granular hmoov. Tsis muaj ntxhiab, hygroscopic thiab soluble hauv dej, nws tuaj yeem siv rau ntau qhov chaw. Ntawm lawv, cov khoom no muaj zog adaptability thiab tuaj yeem phim nrog ntau yam tshuaj siv los txhim kho nws cov txiaj ntsig siv. Tsis tas li ntawd, xyuam xim rau nws...Nyeem ntxiv»
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Qhov viscosity ntawm sodium carboxymethyl cellulose kuj tseem muab faib ua ntau qib raws li kev siv sib txawv. Lub viscosity ntawm hom ntxuav yog 10 ~ 70 (qis dua 100), qhov siab tshaj plaws ntawm viscosity yog los ntawm 200 ~ 1200 rau kev kho kom zoo nkauj hauv tsev thiab lwm yam lag luam, thiab viscosity ntawm qib zaub mov yog txawm tias siab ...Nyeem ntxiv»
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Qhov kev sib kis ntawm carboxymethyl cellulose yog tias cov khoom yuav raug decomposed hauv dej, yog li qhov kev sib kis ntawm cov khoom kuj tau dhau los ua ib txoj hauv kev los txiav txim siab nws qhov kev ua tau zoo. Cia peb kawm ntxiv txog nws: 1) Ib qho dej ntxiv rau hauv qhov system dispersion tau txais, uas tuaj yeem kuv ...Nyeem ntxiv»
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Sodium carboxymethyl cellulose yog siv dav hauv kev lag luam tshuaj xws li cov ntsiav tshuaj, tshuaj pleev, hnab me me, thiab cov paj rwb kho mob. Sodium carboxymethyl cellulose muaj cov haujlwm zoo heev uas ua rau tuab, ncua, ruaj khov, sib sau ua ke, khaws dej thiab lwm yam thiab siv dav hauv cov tshuaj...Nyeem ntxiv»
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Thaum nws los txog rau hydroxyethyl cellulose, Koj yuav nug: qhov no yog dab tsi? Kev siv yog dab tsi? Tshwj xeeb, kev siv hauv peb lub neej yog dab tsi? Qhov tseeb, HEC muaj ntau yam haujlwm, thiab nws muaj ntau yam kev siv hauv cov teb ntawm cov tshuaj pleev ib ce, cov kua mem, cov fibers, dyeing, papermaking, tshuaj pleev ib ce, tshuaj tua kab, cov khoom siv hauv av ...Nyeem ntxiv»
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Carboxymethyl cellulose (CMC) tau txais tom qab carboxymethylation ntawm cellulose. Nws cov kua dej muaj cov haujlwm ntawm thickening, zaj duab xis-tsim, bonding, dej khaws cia, colloid tiv thaiv, emulsification thiab ncua, thiab yog dav siv hauv roj av, khoom noj, tshuaj, thiab lwm yam, textile thiab ntawv ...Nyeem ntxiv»