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MHEC (Methyl Hydroxyethyl Cellulose) ndi polima ina yopangidwa ndi cellulose yomwe imagwiritsidwa ntchito kwambiri ngati chowonjezera pakupanga zinthu pogwiritsa ntchito simenti. Ili ndi ubwino wofanana ndi wa HPMC, koma ili ndi kusiyana kwa makhalidwe. Izi ndi zomwe MHEC imagwiritsa ntchito pa ma plaster a simenti: Wa...Werengani zambiri»
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RDP (Redispersible Polymer Powder) ndi ufa wowonjezera womwe umagwiritsidwa ntchito kwambiri popanga zinthu zomangira, makamaka pazinthu zopangidwa ndi simenti monga mortars, zomatira ndi matailosi grouts. Umakhala ndi ma polymer resins (nthawi zambiri opangidwa ndi vinyl acetate ndi ethylene) ndi zowonjezera zosiyanasiyana. Ufa wa RDP makamaka ...Werengani zambiri»
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Methylhydroxyethylcellulose (MHEC) ndi chowonjezera chomwe chimagwiritsidwa ntchito kwambiri popanga zinthu zopangidwa ndi simenti monga matope ndi konkriti. Ndi cha m'banja la ma cellulose ethers ndipo chimachokera ku cellulose yachilengedwe kudzera mu njira yosinthira mankhwala. MHEC imagwiritsidwa ntchito makamaka ngati chokhuthala, chosunga madzi...Werengani zambiri»
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HPMC, yomwe imadziwikanso kuti hydroxypropyl methylcellulose, ndi mankhwala ochokera m'banja la ma cellulose ethers. Imachokera ku cellulose, polima wachilengedwe womwe umapezeka m'makoma a maselo a zomera. HPMC imagwiritsidwa ntchito kwambiri mumakampani omanga chifukwa cha ntchito zake zambiri. HPMC imagwiritsidwa ntchito kwambiri ngati...Werengani zambiri»
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Ufa wothira mafuta a vinyl acetate ethylene (VAE) copolymer wothira mafuta ndi ufa wa polymer womwe umagwiritsidwa ntchito kwambiri mumakampani omanga. Ndi ufa womasuka womwe umapangidwa ndi kupopera mankhwala osakaniza vinyl acetate monomer, ethylene monomer ndi zina zowonjezera. Ufa wothira mafuta a vinyl copolymer nthawi zambiri umakhala...Werengani zambiri»
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Hydroxypropyl methyl cellulose (HPMC) ndi polima yopanda ionic, ether yopanda ionic cellulose yopangidwa kuchokera ku cellulose yachilengedwe ya polymer. Chogulitsachi ndi chopanda fungo, chopanda kukoma, ufa woyera wopanda poizoni, ukhoza kusungunuka m'madzi ozizira kuti upange yankho lowonekera bwino, lokhala ndi makulidwe, mgwirizano, ndi disp...Werengani zambiri»
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Ufa wa putty wamkati ndi wakunja wa pakhoma, guluu wa matailosi, chothandizira kuyika matailosi, chothandizira kuyika ufa wouma, chothandizira kuyika kutentha kwakunja kwa makoma akunja, chothandizira kudziyimitsa, chothandizira kukonza, chothandizira kukongoletsa, chothandizira chosalowa madzi chothandizira kutentha kwakunja chosakanikirana ndi chosakaniza. Mu chothandizira,...Werengani zambiri»
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Ufa wa putty ndi mtundu wa zinthu zokongoletsera nyumba, zigawo zazikulu ndi ufa wa talcum ndi guluu. Chovala choyera pamwamba pa chipinda chopanda kanthu chomwe changogulidwa kumene ndi putty. Nthawi zambiri kuyera kwa putty kumakhala pamwamba pa 90° ndipo kupyapyala kumakhala pamwamba pa 330°. Putty ndi mtundu wa zinthu zoyambira zomwe zimagwiritsidwa ntchito...Werengani zambiri»
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Mu matope osakaniza okonzeka, bola ngati ether yaying'ono ya cellulose ingawongolere kwambiri magwiridwe antchito a matope onyowa, zitha kuwoneka kuti ether ya cellulose ndi chowonjezera chachikulu chomwe chimakhudza magwiridwe antchito a matope. Kusankha mitundu yosiyanasiyana, kukhuthala kosiyana, mapa...Werengani zambiri»
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Popanga ndi kugwiritsa ntchito ufa wa putty, tidzakumana ndi mavuto osiyanasiyana. Lero, zomwe tikulankhula ndi zakuti ufa wa putty ukasakanizidwa ndi madzi, mukasakaniza kwambiri, putty imakhala yopyapyala, ndipo vuto la kulekanitsa madzi lidzakhala lalikulu. Chifukwa chachikulu cha vutoli...Werengani zambiri»
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M'zaka zaposachedwapa, ufa wambiri wa rabara wa resin, ufa wa rabara wolimba kwambiri wosalowa madzi ndi ufa wina wotsika mtengo kwambiri wa rabara waonekera pamsika kuti ulowe m'malo mwa VAE emulsion yachikhalidwe (vinyl acetate-ethylene copolymer), yomwe imaumitsidwa ndi spray ndipo imapangidwa ndi ufa wa rabara wobwezerezedwanso.Werengani zambiri»
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Hydroxypropyl methylcellulose (HPMC) ndi ether ya cellulose yosakhala ionic yopangidwa kuchokera ku cellulose yachilengedwe ya polymer kudzera mu njira zingapo zamakemikolo. Ndi ufa woyera wopanda fungo, wopanda kukoma komanso wopanda poizoni womwe umatupa kukhala yankho loyera kapena lamtambo pang'ono m'madzi ozizira. Ili ndi...Werengani zambiri»