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1. Cov yam ntxwv zoo (1) Kev txhawb nqa txoj cai Raws li cov khoom siv tshiab bio-based thiab cov khoom siv ntsuab thiab tus phooj ywg ib puag ncig, kev siv dav dav ntawm cellulose ether hauv kev lag luam yog qhov kev txhim kho ntawm kev tsim kom muaj lub zej zog ib puag ncig thiab txuag cov peev txheej yav tom ntej. Lub d...Nyeem ntxiv»
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Putty hmoov yog feem ntau yog ua los ntawm cov yeeb yaj kiab-tsim cov tshuaj (cov ntaub ntawv sib txuas), cov khoom sau, cov neeg sawv cev dej-thickeners, defoamers, thiab lwm yam. Cov khoom siv organic tshuaj raw hauv putty hmoov feem ntau suav nrog: cellulose, pregelatinized starch, starch ether, polyvinyl cawv, dispersible latex p ...Nyeem ntxiv»
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1. Kev siv hydroxypropyl methylcellulose (HPMC) tseem ceeb yog dab tsi? Hydroxypropyl methylcellulose siv dav hauv cov ntaub ntawv siv hauv kev tsim kho, cov tshuaj pleev xim, cov khoom siv ua los ntawm av nplaum, tshuaj, khoom noj, textiles, kev ua liaj ua teb, tshuaj pleev ib ce, luam yeeb thiab lwm yam lag luam. Hydroxypropyl methylcellulose tuaj yeem ...Nyeem ntxiv»
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Cov khoom no yog 2-hydroxypropyl ether methyl cellulose, uas yog cov khoom semi-synthetic. Nws tuaj yeem tsim los ntawm ob txoj kev: (1) Tom qab kho cov paj rwb linters lossis cov ntoo pulp fibers nrog caustic soda, lawv tau sib xyaw nrog chloromethane thiab epoxy Propane reacts, refined thiab pulverized kom tau nws; (2) ...Nyeem ntxiv»
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Hydroxypropyl methylcellulose feem ntau siv rau hauv ntau yam lag luam. Txawm hais tias muaj ntau tus neeg tsis nkag siab nws zoo heev, nws cuam tshuam rau ntau yam lag luam. Hauv cov txheej txheem kev tsim kho ntawm kev lag luam kev tsim kho, nws feem ntau yog siv rau kev tsim phab ntsa thiab kho kom zoo nkauj stucco, Caulking thiab lwm yam ...Nyeem ntxiv»
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Hydroxypropyl methylcellulose-masonry mortar Ua kom muaj zog lo rau ntawm qhov chaw ntawm lub masonry, thiab tuaj yeem txhim kho qhov tuav dej, yog li lub zog ntawm cov mortar tuaj yeem txhim kho. Txhim kho lubricity thiab plasticity los txhim kho kev ua haujlwm ntawm kev tsim kho, yooj yim dua rau kev siv, txuag lub sijhawm, thiab txhim kho ...Nyeem ntxiv»
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Cellulose ether yog ib qho non-ionic semi-synthetic high molecular polymer, uas yog dej-soluble thiab solvent-soluble. Nws muaj cov teebmeem sib txawv hauv ntau yam lag luam. Piv txwv li, hauv cov ntaub ntawv siv tshuaj lom neeg, nws muaj cov teebmeem sib xyaw ua ke hauv qab no: ① Tus neeg sawv cev khaws dej, ②Thickener, ③Leveling ...Nyeem ntxiv»
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Ua ib qho tshuaj sib xyaw ua ke zoo, cov khoom siv hauv tsev qib cellulose ether tuaj yeem txhim kho qhov khaws dej thiab cov khoom tuab ntawm cov khoom siv hauv tsev, thiab txhim kho kev ua haujlwm ntawm kev tsim kho. Nws yog dav siv los txhim kho thiab ua kom zoo dua suav nrog masonry mortar, thermal insulation mortar, til...Nyeem ntxiv»
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Cellulose ether muaj kev khaws dej zoo heev, uas tuaj yeem tiv thaiv cov dej noo hauv cov mortar ntub kom tsis txhob qhuav ua ntej lossis raug nqus los ntawm cov txheej hauv paus, thiab xyuas kom meej tias cov cement tau hydrated tag nrho, yog li thaum kawg xyuas kom meej cov khoom siv kho tshuab ntawm cov mortar, uas yog tshwj xeeb tshaj yog ben ...Nyeem ntxiv»
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Hydroxypropyl methylcellulose (HPMC) yog cov cellulose sib xyaw ether uas tsis yog ionic, yaj hauv dej. Cov tsos yog dawb mus rau me ntsis daj hmoov lossis cov khoom siv granular, tsis muaj saj, tsis muaj ntxhiab, tsis muaj tshuaj lom, ruaj khov tshuaj lom neeg, thiab yaj hauv dej kom ua rau du, pob tshab thiab viscous kua. Ib qho ntawm cov khoom siv tseem ceeb yog hydroxypropyl methylcellulose. Nws cov tsos yog dawb rau me ntsis daj hmoov lossis cov khoom siv granular, tsis muaj saj, tsis muaj ntxhiab, tsis muaj tshuaj lom, ruaj khov tshuaj lom neeg, thiab yaj hauv dej kom ua rau du, pob tshab thiab viscous kua. Ib qho ntawm cov khoom siv tseem ceeb yog hydroxypropyl methylcellulose. Nws cov yam ntxwv yog dawb rau me ntsis daj hmoov lossis cov khoom siv granular, tsis muaj saj, tsis muaj ntxhiab, tsis muaj tshuaj lom neeg, thiab yaj hauv dej kom ua rau du, pob tshab thiab viscous kua. Nws yog ib qho ntawm cov khoom siv tseem ceeb uas siv tau rau kev ua cov tshuaj soluble. Nws cov yam ntxwv yog:Nyeem ntxiv»
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1. Cov khoom siv cellulose ether siv rau hauv cov nplaum pobzeb Raws li cov khoom siv kho kom zoo nkauj, cov vuas ceramic tau siv dav thoob plaws ntiaj teb, thiab yuav ua li cas muab cov khoom siv ruaj khov no los ua kom nws muaj kev nyab xeeb thiab ruaj khov yeej ib txwm yog qhov kev txhawj xeeb ntawm tib neeg. Kev tshwm sim ntawm cov nplaum pobzeb ceramic, hauv Rau ib ...Nyeem ntxiv»
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Cov hmoov av rwb thaiv tsev yog dab tsi? Cov hmoov av rwb thaiv tsev siv cov av qhuav sib xyaw ua ntej ua cov khoom siv cementitious tseem ceeb, ntxiv cov fibers tiv thaiv kev tawg thiab ntau yam khoom ntxiv, siv cov khoom ua npuas ncauj polystyrene ua cov khoom sib xyaw ua ke, thiab teeb tsa lawv kom sib npaug...Nyeem ntxiv»