Kev xav tau ntawm lub tshuab ntaub ntawv uas tuaj yeem muab qhuas dua li cov kev xav tau ntawm EN 12004: C1 thiab C2. Qhov tsawg tshaj plaws ntawm lub tshuab ntaub ntawv uas tuaj yeem muab qhuas dua thiab qhov tsawg tshaj plaws ntawm kev ua haujlwm. Lub tshuab EN 12004 qhia txog cov qib kev ua haujlwm rau cov tshuab ntaub ntawv uas muaj cement, thiab lub tshuab ntaub ntawv uas tuaj yeem muab qhuas dua...
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Kev ua haujlwm zoo dua thiab kev tswj hwm ntawm qhov ntaub qhia. Yuav li cas PVA 2488 muaj 88% kev hlub tshuaj kom ua tau qhov ntaub qhia uas zoo, txhais, thiab sib xws. PVA 2488—ntawv polyvinyl alcohol uas tsis tau hlub tshuaj ntau, muaj 88% kev hlub tshuaj—sib npog zoo rau kev tswj hwm...
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Yam li cas VAE Emulsion txhawb qhov suav nqis: Qhov kev ua haujlwm thiab qhov kev ua haujlwm uas tau muab tshem tiasVAE cov lus qhia ntawm cov khoom thiab qhov kev txhawb rau qhov suav nqis ntawm dejThe qhov suav nqis txhawb ntawm VAE (Vinyl Acetate-Ethylene) emulsion los ntawm qhov kev qhia ntawm cov khoom thiab qhov kev txhawb rau qhov suav nqis ntawm dej
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Cov kev sib npaug ntawm cov duab ntsuab thiab cov duab ntsuab tshuaj ntawm cov duab ntsuab polymer uas tuaj yeem txhais tau thiab PVA Cov kev sib npaug ntawm VAE-based redispersible polymer powder thiab PVA rau hauv cov duab ntsuab tshuaj ntawm cov duab ntsuab tshuaj Cov kev sib npaug ntawm cov duab ntsuab polymer uas tuaj yeem txhais tau (RDP) thiab polyvinyl alcohol (PVA)...
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Kev sib npog ntawm cov khoom sib xyaw: Yuav li cas uas pva uas muaj cov khoom sib xyaw ntawm lub tsev kho mob tau txais kev sib npog ntawm cov khoom sib xyaw uas yuav tshwm sim raws li qhov tseem ceeb. Pva (polyvinyl alcohol) uas muaj cov khoom sib xyaw ntawm lub tsev kho mob tsis muaj qhov xwm txheej uas yuav ua rau cov khoom sib xyaw tsis zoo thaum muaj kev sib xyaw thiab kev siv. Cov khoom sib xyaw tau muab ntaus tawm thaum muaj kev sib xyaw...
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Koob siab: Qhov teeb meem tseem ceeb tshaj plaws rau kev nyab xeeb ntawm emulsion VAEKoob siab yog qhov teeb meem tseem ceeb tshaj plaws rau kev nyab xeeb ntawm emulsion VAE thaum kho thiab nyob hauv chaw sib xyaw. Txhua qhov tsis zoo ntawm koob siab uas tau muab qhia los yuav pab txhawb ...
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Polyvinyl Alcohol yog dab tsi? Cov cim txhais qhov kev ua haujlwm thiab cov ntaub ntawv tseem ceebPolyvinyl alcohol (PVA) yog ib qho polymer uas tsis muaj kev sib tw, muaj kev sib tw nrog dej, thiab muaj cov cim txhais (C₂H₄O)ₙ, uas n yog qhov kev sib tw ntawm cov polymer. Nws tau ua los ntawm kev sib tw polyvinyl ac...
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Kev nyob hauv lub nroog thiab kev pab cov tsev xwb ua rau kev sib tw ntawm cov polymer powderRapid urbanization thiab kev sib tw rau cov tsev xwb tau ua rau kev tsim kho tsev nyob hauv lub ntiaj teb, ua rau muaj kev xav tau ntau dua rau cov tsev sib tw...
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Sib piv cov laus ntawm polyvinyl alcohol (PVA) uas sib txawv rau kev siv adhesiveSib piv cov laus ntawm polyvinyl alcohol (PVA) (PVA 17-88, 24-88, 0588, 088-07) rau kev siv adhesive rau cov ntawv, kev tsim kub, kev siv cov khoom sib tshuam, thiab kev siv cov khoom sib tshuam rau cov duabXaiv cov laus ntawm polyvinyl alcohol (PVA) uas zoo yuav pab tau kev siv...
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Cov qauv ntsiab uas PVA (polyvinyl alcohol) muaj los pab rau kev cog khoom uas nyob hauv lub siab thiab tsis ua rau qhov chaw nyob zoo los ntawm lub ntiaj teb: Muaj kev siv ntawm dej thiab muaj kev siv dej raws li kev xav tau los ntawm cov kev siv tshwj xeeb. PVA (polyvinyl alcohol) yog cov khoom uas muaj kev siv dej zoo thiab muaj kev siv dej raws li kev xav tau...
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Kev ua cov film thiab kev nyha tshaj plij ntawm cov VAE Emulsions Kev ua cov film thiab kev nyha tshaj plij ntawm cov VAE emulsions yog qhov tseem ceeb rau lawv kev ua haujlwm nyob rau hauv cov coating. Ob qhov tseem ceeb—qhib qhov ceev tshaj plij rau kev ua cov film (MFFT) thiab qhov loj ntawm cov particles—siv...
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Tshua Kev Sib Xws: Yam li cas Redispersible Polymer Powder Tuaj Yeem Tshua Kev Sib Xws ntawm Cementitious Bonds Cov kev txheeb xyuas ntawm qhov sib xws ntawm polymer-cement Redispersible polymer powder (RDP) tuaj yeem tsim qhov sib xws ob qhov rau hauv cov cementitious mortars. Thaum muab sib npaug,...
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