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1. Cov teeb meem tshwm sim hauv putty hmoov ceev kom qhuav yog feem ntau yog vim cov hmoov tshauv calcium ntxiv (loj heev, cov hmoov tshauv calcium hmoov siv rau hauv cov mis putty tuaj yeem txo kom tsim nyog) muaj feem xyuam rau cov dej tuav cov fiber ntau. , thiab nws kuj muaj feem xyuam rau dryness ntawm ...Nyeem ntxiv»
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Nyob rau hauv npaj sib xyaw mortar, tsuav yog me ntsis cellulose ether tuaj yeem txhim kho kev ua haujlwm ntawm cov khib nyiab ntub dej, nws tuaj yeem pom tias cellulose ether yog ib qho tseem ceeb ntxiv uas cuam tshuam rau kev tsim kho ntawm mortar. Kev xaiv ntawm ntau yam, txawv viscosities, txawv pa ...Nyeem ntxiv»
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Cov cuab yeej tseem ceeb tshaj plaws ntawm cellulose ether yog nws cov dej tuav hauv cov khoom siv hauv tsev. Yog tias tsis muaj qhov sib ntxiv ntawm cellulose ether, cov txheej nyias nyias ntawm cov mortar tshiab dries sai sai uas cov cement tsis tuaj yeem hydrate li qub thiab cov mortar tsis tuaj yeem tawv thiab ua tau zoo cohesion. Nyob ntawm ...Nyeem ntxiv»
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Cov khoom lag luam vitamin yog txhua yam muab los ntawm cov paj rwb ntuj lossis ntoo pulp, uas yog tsim los ntawm etherification. Cov khoom sib txawv ntawm cov cellulose siv cov khoom sib txawv etherifying. Tus neeg sawv cev etherifying siv hauv hydroxyethyl cellulose (HEC) yog ethylene oxide, thiab cov etherifying tus neeg siv hauv hydroxy ...Nyeem ntxiv»
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Daim ntawv thov ntawm hydroxypropyl methylcellulose nyob rau hauv kev tsim kho mortar plastering mortar Kev tuav dej siab tuaj yeem ua rau cov cement tag nrho hydrated, ua rau kom muaj zog ntawm daim ntawv cog lus, thiab tib lub sijhawm, nws tuaj yeem tsim nyog ua kom lub zog tensile thiab shear zog, zoo heev txhim kho ...Nyeem ntxiv»
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A. Qhov tsim nyog ntawm kev tuav dej Cov dej tuav ntawm mortar yog hais txog lub peev xwm ntawm mortar khaws dej. Cov khib nyiab nrog cov dej tuav tsis zoo yog qhov ua rau los ntshav thiab kev sib cais thaum thauj thiab khaws cia, uas yog, cov dej ntab saum toj, thiab cov xuab zeb thiab cov cement hauv qab. Nws yuav tsum yog ...Nyeem ntxiv»
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1. Lub npe ntawm hydroxypropyl methylcellulose yog dab tsi? ——Cov Lus Teb: Hydroxypropyl Methyl Cellulose, Lus Askiv: Hydroxypropyl Methyl Cellulose Abbreviation: HPMC lossis MHPC Alias: Hypromellose; Cellulose Hydroxypropyl Methyl Ether; Hypromellose, Cellulose, 2-hydroxypropylmethyl Cellulose ether. Cellulose...Nyeem ntxiv»
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Redispersible latex hmoov yog cov dej-soluble redispersible hmoov, uas yog ib tug copolymer ntawm ethylene thiab yas acetate, nrog polyvinyl cawv raws li ib tug tiv thaiv colloid. Yog li ntawd, redispersible latex hmoov yog nrov heev nyob rau hauv kev tsim kho kev lag luam kev lag luam, thiab kev tsim kho nyhuv tsis yog ...Nyeem ntxiv»
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Cov khoom sib xyaw ntub dej: cov tshuaj sib tov sib xyaw yog ib hom cement, nplua aggregate, admixture thiab dej, thiab raws li cov khoom ntawm ntau yam khoom, raws li ib qho piv txwv, tom qab ntsuas ntawm qhov chaw sib tov, sib tov, thauj mus rau qhov chaw nyob qhov twg. tsheb thauj khoom yog siv, thiab nkag mus rau hauv ...Nyeem ntxiv»
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Txog tam sim no, tsis muaj ntawv tshaj tawm txog cov txiaj ntsig ntawm txoj kev sib ntxiv ntawm hydroxyethyl cellulose ntawm cov xim latex. Los ntawm kev tshawb fawb, nws pom tau hais tias qhov sib ntxiv ntawm hydroxyethyl cellulose nyob rau hauv lub latex xim system yog txawv, thiab cov kev ua tau zoo ntawm cov npaj latex xim txawv heev....Nyeem ntxiv»
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Tam sim no ntau tus neeg tsis paub ntau txog hydroxypropyl starch ether. Lawv xav tias muaj qhov sib txawv me ntsis ntawm hydroxypropyl starch ether thiab cov hmoov txhuv nplej siab, tab sis nws tsis yog. Tus nqi ntawm hydroxypropyl starch ether siv nyob rau hauv cov khoom mortar yog tsawg heev, thiab qhov ntxiv ntawm pola ...Nyeem ntxiv»
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Hydroxypropyl methylcellulose tau muab faib ua 2 yam ntawm cov dej kub-soluble txias txias instant hom. 1. Gypsum series Nyob rau hauv gypsum series khoom, cellulose ether yog tsuas yog siv rau cov dej tuav thiab smoothness. Ua ke lawv muab qee qhov kev pab. Nws tuaj yeem daws qhov kev tsis ntseeg txog lub nruas tawg thiab ...Nyeem ntxiv»