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Cov gypsum desulfurized yog ib yam khoom seem ntawm cov txheej txheem desulfurization roj flue ntawm cov chaw tsim hluav taws xob thee lossis lwm cov chaw tsim hluav taws xob uas siv cov roj sulfur. Vim nws tiv taus hluav taws kub, tiv taus cua sov thiab tiv taus dej noo, nws tau siv dav hauv kev lag luam kev tsim kho ua cov lev tsev...Nyeem ntxiv»
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Ua ib yam khoom siv ntau yam thiab zoo rau ib puag ncig, cellulose ether tau siv dav hauv ntau qhov chaw xws li kev lag luam tsim kho, kev lag luam zaub mov, kev lag luam tshuaj, thiab kev lag luam textile. Ntawm lawv, cellulose ether tau nyiam ntau dua thiab ntau dua rau nws daim ntawv thov...Nyeem ntxiv»
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Polyanionic cellulose (PAC) yog ib qho polymer uas yaj tau hauv dej uas siv dav hauv kev lag luam roj av ua cov kua ntxiv rau hauv qhov drilling. Nws yog ib qho polyanionic derivative ntawm cellulose, synthesized los ntawm kev hloov kho tshuaj ntawm cellulose nrog carboxymethyl. PAC muaj cov khoom zoo heev xws li kev yaj dej siab,...Nyeem ntxiv»
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Tau ntau pua xyoo, cov masonry thiab plaster mortars tau siv los tsim cov qauv zoo nkauj thiab ruaj khov. Cov mortars no yog ua los ntawm kev sib xyaw ntawm cement, xuab zeb, dej thiab lwm yam khoom ntxiv. Hydroxypropyl methylcellulose (HPMC) yog ib qho khoom ntxiv zoo li no. HPMC, tseem hu ua hypromellose, yog ib qho cellulose hloov kho ...Nyeem ntxiv»
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Cov nplaum rau pobzeb feem ntau siv rau hauv kev lag luam kev tsim kho kom muaj kev sib txuas ruaj khov thiab kav ntev ntawm cov pobzeb thiab cov khoom siv hauv pem teb. Txawm li cas los xij, kev ua kom muaj kev sib txuas ruaj khov thiab kav ntev ntawm cov pobzeb thiab cov khoom siv hauv pem teb tuaj yeem nyuaj, tshwj xeeb tshaj yog tias qhov chaw ntawm cov khoom siv hauv pem teb tsis sib npaug, muaj kuab paug lossis puas tsuaj...Nyeem ntxiv»
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Cov tshuaj sib xyaw ua ke uas ua rau nws tus kheej sib npaug yog cov khoom siv hauv pem teb uas siv los tsim kom muaj qhov chaw tiaj tus thiab sib npaug uas siv los tso cov vuas lossis lwm yam khoom siv hauv pem teb. Cov tshuaj sib xyaw no yog ua los ntawm ntau yam khoom siv, tab sis ib qho tseem ceeb tshaj plaws yog HPMC (hydroxypropyl methylcellulose). HPMC ua lub luag haujlwm tseem ceeb hauv kev ua kom zoo tshaj plaws...Nyeem ntxiv»
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Gypsum yog ib yam khoom siv hauv tsev uas siv rau kev kho kom zoo nkauj sab hauv thiab sab nraud phab ntsa. Nws nrov vim nws ruaj khov, zoo nkauj, thiab tiv taus hluav taws. Txawm li cas los xij, txawm tias muaj cov txiaj ntsig no los xij, plaster tuaj yeem tawg thaum lub sijhawm dhau mus, uas tuaj yeem ua rau nws puas tsuaj thiab cuam tshuam rau nws qhov tsos. Plaster crack...Nyeem ntxiv»
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Cov xim pleev ib txwm yog ib feem tseem ceeb ntawm ntau yam lag luam, txij li kev tsim kho thiab tsheb mus rau kev ntim khoom thiab rooj tog. Cov xim pleev ua haujlwm ntau yam xws li kev kho kom zoo nkauj, kev tiv thaiv, kev tiv thaiv xeb thiab kev khaws cia. Raws li qhov xav tau zoo, ruaj khov thiab zoo rau ib puag ncig ...Nyeem ntxiv»
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Carboxymethylcellulose (CMC) yog ib qho khoom siv ntxiv uas siv dav hauv ntau yam lag luam xws li zaub mov, tshuaj, ntawv, textiles, thiab kev tsuas. Nws yog los ntawm cov cellulose ntuj, uas muaj ntau nyob rau hauv cov nroj tsuag thiab lwm yam khoom siv biological. CMC yog ib qho polymer soluble hauv dej nrog cov khoom tshwj xeeb ...Nyeem ntxiv»
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Hydroxypropyl methylcellulose, feem ntau hu ua HPMC, yog ib qho polymer uas siv tau ntau yam, siv tau ntau yam hauv kev lag luam xws li kev tsim kho, tshuaj thiab khoom noj. HPMC yog ib qho cellulose ether, uas txhais tau tias nws yog los ntawm cellulose, ib qho polymer ntuj pom muaj nyob rau hauv cov nroj tsuag. Nws ...Nyeem ntxiv»
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Putty siv dav hauv cov haujlwm tsim kho ua cov khoom siv los sau cov qhov khoob thiab cov qhov. Nws yog ib yam khoom siv tau ntau yam uas siv tau rau ntau yam kev siv, suav nrog kev kho phab ntsa, qab nthab, thiab hauv pem teb. Hydroxypropyl methylcellulose (HPMC) yog ib qho tseem ceeb ntawm putty, muab nws nrog ...Nyeem ntxiv»
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Hydroxyethylcellulose (HEC) yog ib qho cellulose ether uas tsis yog ionic soluble uas siv dav hauv ntau yam lag luam. HEC yog los ntawm cov cellulose ntuj thiab hloov kho kom muaj cov pab pawg hydroxyethyl ntawm cov cellulose backbone. Qhov kev hloov kho no ua rau HEC yaj tau zoo heev hauv dej thiab lwm cov kuab tshuaj polar, ua rau nws yog ib qho ...Nyeem ntxiv»