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Cellulose ethers yog ib chav kawm ntawm cov polymer sib xyaw ua ke uas tau los ntawm kev hloov kho etherification ntawm cov cellulose ntuj. Cellulose yog cov khoom polymer ntuj tshaj plaws hauv ntiaj teb thiab pom dav hauv cov phab ntsa cell cog. Nws cov qauv yooj yim yog tsim los ntawm cov chav glucose txuas nrog los ntawm β-...Nyeem ntxiv»
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Daim ntawv thov ntawm cellulose ethers hauv masonry thiab plastering mortar yog ib qho tseem ceeb hauv kev tsim kho tshiab hauv cov khoom siv niaj hnub. Nws tsis tsuas yog tuaj yeem txhim kho kev ua haujlwm ntawm kev tsim kho thiab kev sib txuas ntawm mortar, tab sis kuj txhim kho nws cov dej khaws cia, kev ua haujlwm tau zoo thiab tiv thaiv kev sagging prop ...Nyeem ntxiv»
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Cellulose ethers yog ib chav kawm tseem ceeb ntawm cov khoom siv polymer uas yaj tau hauv dej, siv dav hauv kev tsim kho, tshuaj, khoom noj, tshuaj txhua hnub thiab lwm yam lag luam. Hauv kev tsim kho (xws li cov tshuaj sib xyaw qhuav, cov nplaum pobzeb, hmoov putty, thiab lwm yam), ib qho ntawm cov khoom tseem ceeb tshaj plaws ntawm cellulo...Nyeem ntxiv»
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Hydroxypropyl Methylcellulose (HPMC) yog ib qho cellulose ether uas tsis yog ionic siv dav hauv cov ntaub ntawv siv hauv kev tsim kho, tshwj xeeb tshaj yog hauv cov cement mortar. Nws ua lub luag haujlwm tseem ceeb hauv kev tswj hwm kev ua haujlwm ntawm mortar vim nws khaws dej zoo, thickening, lubricity thiab cov khoom ua zaj duab xis. Txawm li cas los xij, txawm tias ...Nyeem ntxiv»
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Sodium Carboxymethyl Cellulose (CMC) yog ib qho tseem ceeb hauv dej-soluble polymer compound, uas yog dav siv hauv papermaking, textile, khoom noj, tshuaj, tshuaj txhua hnub thiab lwm yam teb. Hauv kev lag luam papermaking, tshwj xeeb tshaj yog hauv daim ntawv txheej (txheej), CMC tau dhau los ua ib qho tseem ceeb txheej addit ...Nyeem ntxiv»
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Hydroxyethyl cellulose (HEC) yog ib qho tseem ceeb uas tsis yog ionic dej-soluble polymer khoom, uas yog npaj los ntawm kev kho cov cellulose ntuj nrog alkali thiab reacting nrog ethylene oxide. Raws li ib tug multifunctional, high-performance thickener, stabilizer thiab zaj duab xis-forming tus neeg sawv cev, HEC tau dav siv nyob rau hauv ...Nyeem ntxiv»
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1. Dab tsi yog Qib Industrial HPMC Qib Industrial HPMC (Hydroxypropyl Methylcellulose) yog cov khoom siv tsis-ionic cellulose ether, feem ntau yog cov hmoov dawb lossis daj me ntsis. Nws yog ua los ntawm cov paj rwb ntuj los ntawm kev kho alkali thiab ntau yam tshuaj lom neeg (xws li ...Nyeem ntxiv»
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Hydroxypropyl Methylcellulose (HPMC) yog ib qho non-ionic cellulose ether, uas yog ib yam khoom hloov kho tshuaj uas tsim los ntawm kev sib xyaw ntawm cov cellulose ntuj nrog propylene oxide thiab methyl chloride tom qab alkalization. HPMC muaj kev ruaj khov zoo thiab tshuaj lom neeg thiab siv dav hauv tshuaj,...Nyeem ntxiv»
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Nrog rau kev txhim kho tas mus li ntawm cov kev xav tau txuag hluav taws xob hauv tsev, kev siv cov txheej txheem rwb thaiv tsev sab nraud hauv kev tsim kho tau dhau los ua ntau dua thiab ntau dua. Cov khoom siv rwb thaiv tsev polystyrene (EPS) uas nthuav dav yog siv dav hauv kev tsim kho phab ntsa sab nraud rwb thaiv tsev pro ...Nyeem ntxiv»
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Hydroxypropyl Methylcellulose (HPMC) yog cov cellulose ether uas tsis yog ionic siv dav hauv kev tsim kho, tshuaj, khoom noj, tshuaj txhua hnub thiab lwm yam lag luam. Raws li nws cov viscosity, HPMC tuaj yeem muab faib ua cov qib viscosity qis, viscosity nruab nrab thiab viscosity siab. Ntawm lawv, HPMC nrog visco...Nyeem ntxiv»
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Cov hmoov polymer redispersible (RDP) yog cov khoom siv polymer organic tseem ceeb, siv dav hauv ntau qhov chaw xws li kev tsim kho, cov ntaub ntawv hauv tsev, kho kom zoo nkauj thiab kev lag luam. Nws yog feem ntau yog cov hmoov dawb ntws tau los ntawm kev tsuag kom qhuav emulsions (xws li vinyl acetate-ethylene copolymers, vinyl acetate...Nyeem ntxiv»
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Hydroxyethyl Cellulose (HEC) thiab Hydroxypropyl Methylcellulose (HPMC) yog ob qho tib si non-ionic, dej-soluble cellulose ethers uas tau los ntawm cov cellulose ntuj. Lawv siv dav hauv kev lag luam, tshuaj, kev saib xyuas tus kheej, thiab cov ntawv thov zaub mov vim lawv cov thickening zoo heev, zaj duab xis-tsim, ruaj khov ...Nyeem ntxiv»