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1 Kev paub yooj yim Nqe Lus Nug 1 Muaj pes tsawg txoj kev tsim kho los muab cov pobzeb nrog cov nplaum nplaum? Teb: Cov txheej txheem ceramic pobzeb pasting feem ntau muab faib ua peb hom: txheej txheej txheej txheej, txheej txheej txheej txheej (tseem hu ua trowel method, nyias txheej txheej), thiab ua ke nrog ...Nyeem ntxiv»
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1 Cov teeb meem tshwm sim hauv phab ntsa putty hmoov: (1) Dries sai. Qhov no feem ntau yog vim tias cov hmoov tshauv calcium ntxiv (loj heev, cov hmoov tshauv calcium hmoov siv hauv cov mis putty tuaj yeem txo kom tsim nyog) muaj feem xyuam rau cov dej tuav ntawm cov fiber ntau, thiab nws kuj muaj feem xyuam rau.. .Nyeem ntxiv»
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Pobzeb nplaum, tseem hu ua ceramic pobzeb nplaum, feem ntau yog siv los muab cov ntaub ntawv zoo nkauj xws li cov vuas luaj ceramic, cov nplais ntsej muag, thiab cov vuas hauv pem teb. Nws cov yam ntxwv tseem ceeb yog kev sib koom ua ke siab zog, dej tsis kam, khov-thaw kuj, zoo aging kuj thiab yooj yim siv. Nws yog heev ...Nyeem ntxiv»
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Hydroxypropyl methylcellulose HPMC yog ib hom non-ionic cellulose tov ether. Tsis zoo li ionic methyl carboxymethyl cellulose sib xyaw ether, nws tsis hnov mob nrog cov hlau hnyav. Vim qhov sib txawv ntawm cov ntsiab lus methoxyl thiab hydroxypropyl cov ntsiab lus hauv hydroxypropyl methylcellulose thiab sib txawv v ...Nyeem ntxiv»
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Cellulose ether yog ib qho hluavtaws polymer ua los ntawm ntuj cellulose los ntawm kev hloov tshuaj lom neeg. Cellulose ether yog derivative ntawm natural cellulose. Kev tsim cov cellulose ether yog txawv los ntawm hluavtaws polymers. Nws cov khoom siv yooj yim tshaj plaws yog cellulose, lub ntuj polymer compound. Vim...Nyeem ntxiv»
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Summary: 1. Wetting and dispersing agent 2. Defoamer 3. Thickener 4. Film-forming additives 5. Anti-corrosion, anti-mildew and anti-algae agent 6. Other additives 1 Wetting and dispersing agent: Water-based coatings use water Raws li cov kuab tshuaj los yog dispersion nruab nrab, thiab dej muaj ib tug loj dielectric con...Nyeem ntxiv»
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Dab tsi yog lub luag haujlwm ntawm cov dej tuav cov neeg sawv cev sib xyaw rau hauv gypsum hmoov khoom? Teb: plastering gypsum, bonded gypsum, caulking gypsum, gypsum putty thiab lwm yam khoom siv hmoov siv. Txhawm rau txhim kho kev tsim kho, gypsum retarders tau ntxiv thaum lub sijhawm tsim khoom kom ntev ...Nyeem ntxiv»
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1. Dab tsi yog daim ntawv thov tseem ceeb ntawm hydroxypropyl methylcellulose (HPMC)? HPMC yog dav siv nyob rau hauv cov khoom siv, coatings, hluavtaws resins, ceramics, tshuaj, khoom noj khoom haus, textiles, 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 ...Nyeem ntxiv»
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Cellulose yog dav siv nyob rau hauv petrochemical, tshuaj, papermaking, tshuaj pleev ib ce, tsev cov ntaub ntawv, thiab lwm yam. Nws yog ib tug ntau yam additive, thiab sib txawv siv muaj ntau yam kev ua tau zoo yuav tsum tau rau cellulose khoom. Kab lus no feem ntau qhia txog kev siv thiab kev txheeb xyuas qhov zoo ntawm HPM ...Nyeem ntxiv»
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Hauv cov tshuaj pleev ib ce, muaj ntau yam tsis muaj xim thiab tsw ntxhiab, tab sis ob peb yam tsis muaj tshuaj lom. Niaj hnub no, kuv yuav qhia rau koj, hydroxyethyl cellulose, uas yog heev nyob rau hauv ntau yam tshuaj pleev ib ce los yog txhua txhua hnub. Hydroxyethyl Cellulose 【Hydroxyethyl Cellulose】 Kuj hu ua (HEC) yog dawb ...Nyeem ntxiv»
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Txheej txheem cej luam: hu ua HPMC, dawb los yog tawm-dawb fibrous los yog granular hmoov. Muaj ntau ntau hom cellulose thiab tau siv dav, tab sis peb tsuas yog tiv tauj nrog cov neeg siv khoom hauv kev lag luam cov khoom siv hmoov qhuav qhuav. Feem ntau cov cellulose yog hais txog hypromellose. Txheej txheem ntau lawm: Lub ntsiab r...Nyeem ntxiv»
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CMC feem ntau yog anionic polymer compound npaj los ntawm reacting natural cellulose nrog caustic alkali thiab monochloroacetic acid, nrog ib tug molecular hnyav ntawm 6400 (± 1 000). Cov khoom lag luam tseem ceeb yog sodium chloride thiab sodium glycolate. CMC belongs rau natural cellulose hloov. Nws tau tawm ...Nyeem ntxiv»