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A. Cov kua nplaum nplaum nplaum: 1. Cov txheej txheem yooj yim: Pobzeb nplaum feem ntau muaj cov cement, xuab zeb, polymers thiab additives. Cov formulations tshwj xeeb yuav txawv nyob ntawm seb hom pobzeb, substrate thiab tej yam kev mob. 2. Cement-raws li pobzeb nplaum: Portland cement: Muab daim ntawv cog lus ...Nyeem ntxiv»
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Kev tsim cov gypsum-based self-leveling mortars yuav tsum tau siv ntau yam khoom siv raw, txhua qhov cuam tshuam rau cov khoom tshwj xeeb ntawm cov khoom kawg. Ib qho tseem ceeb ntawm tus kheej-leveling mortar yog cellulose ether, uas yog ib qho tseem ceeb additive. Gypsum-based self-leveling mortar ...Nyeem ntxiv»
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Polyanionic cellulose (PAC) yog cov dej-soluble cellulose derivative uas yog dav siv nyob rau hauv cov roj thiab roj kev lag luam, tshwj xeeb tshaj yog nyob rau hauv fracturing kua formulations. Hydraulic fracturing, feem ntau hu ua fracking, yog cov txheej txheem stimulation siv los ua kom cov roj thiab cov nkev roj los ntawm ...Nyeem ntxiv»
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1.Chemical qauv: Formic acid (HCOOH): Nws yog ib qho yooj yim carboxylic acid nrog cov tshuaj formula HCOOH. Nws muaj cov pab pawg carboxyl (COOH), qhov twg hydrogen txuas nrog cov pa roj carbon monoxide thiab lwm cov pa oxygen ua ob daim ntawv cog lus nrog carbon. Sodium formate (HCCONa): Nws yog sodium ntsev ntawm ...Nyeem ntxiv»
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Paub daws teeb meem: Nyob rau hauv xyoo tas los no, cov dej-raws li cov txheej txheem tau txais kev saib xyuas thoob plaws vim lawv cov phooj ywg ib puag ncig thiab cov ntsiab lus tsis tshua muaj volatile organic compound (VOC). Hydroxyethylcellulose (HEC) yog siv dav hauv dej-soluble polymer nyob rau hauv cov formulations, ua ib tug thickener kom ...Nyeem ntxiv»
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Paub meej: Kev tsim kho kev lag luam plays lub luag haujlwm tseem ceeb hauv kev tsim lub ntiaj teb niaj hnub no, ntawm cov cement yog lub hauv paus tsev thaiv. Tau ntau xyoo, cov kws tshawb fawb thiab engineers tau txuas ntxiv mus nrhiav txoj hauv kev los txhim kho qhov zoo thiab kev ua haujlwm ntawm cov cement. Ib txoj kev cog lus yuav muaj qhov sib ntxiv ntawm addit ...Nyeem ntxiv»
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Paub meej: Calcium formate, calcium ntsev ntawm formic acid, tau txais kev saib xyuas thoob plaws hauv xyoo tas los no. Qhov sib xyaw no tau lees paub rau nws cov txiaj ntsig ntau hauv kev noj zaub mov tsiaj, txhawb kev loj hlob, txhim kho kev noj qab haus huv, thiab txhim kho kev ua haujlwm tag nrho. Qhov kev tshuaj xyuas dav dav no e...Nyeem ntxiv»
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qhia Kev tsim kho kev lag luam tau ua kom muaj kev vam meej nyob rau xyoo tas los no, nrog rau kev tsom mus rau kev txhim kho kev ua tau zoo, durability thiab sustainability ntawm cov khoom siv hauv tsev. Hydroxypropyl methylcellulose (HPMC) tau dhau los ua ntau yam ntxiv hauv gypsum hmoov-raws li tsev mater ...Nyeem ntxiv»
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Cov hmoov txhuv nplej siab ethers yog ib qho kev hloov pauv ntawm cov hmoov txhuv nplej siab uas tau txais kev saib xyuas thoob plaws hauv ntau daim ntawv thov kev lag luam vim lawv ntau yam thiab cov khoom tshwj xeeb. Thaum nws feem ntau siv rau hauv cov nplaum rau nws lub peev xwm sib txuas, nws qhov tsim nyog rau qhov chaw kub kub nyob ntawm ...Nyeem ntxiv»
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Qhia: Qhia luv luv txog Hydroxyethyl Cellulose (HEC) thiab nws qhov tseem ceeb hauv cov khoom siv hauv tsev. Piav txog kev siv cov nplaum thiab stabilizers hauv ntau yam khoom siv. Ntu 1: HEC Adhesives Txheej txheem cej luam: Txhais HEC thiab nws cov khoom siv tshuaj. Sib tham txog cov khoom nplaum ntawm HEC thiab ...Nyeem ntxiv»
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Hydroxyethylcellulose (HEC) yog ntau yam thiab zoo thickener uas yog dav siv nyob rau hauv ntau yam lag luam. Cov tshuaj no yog muab los ntawm cellulose, ib tug natural polymer pom nyob rau hauv loj npaum li cas nyob rau hauv cov nroj tsuag cell phab ntsa. HEC cov khoom tshwj xeeb ua rau nws zoo tagnrho rau thickening ntau yam khoom, fr ...Nyeem ntxiv»
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Cov ntsiab lus: Silicone defoamers yog qhov tseem ceeb rau kev ua haujlwm zoo ntawm cov dej drilling hauv kev lag luam roj thiab roj. Cov kab lus no muab kev saib tob tob ntawm silicone defoamers, lawv cov khoom, cov txheej txheem ntawm kev ua, thiab kev nkag siab zoo ntawm lawv cov ntawv tshwj xeeb hauv kev drilling ...Nyeem ntxiv»