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Qhov txawv ntawm xim dej thiab xim ci yog dab tsi?
Muaj ntau tus tswv uas tsis zoo ntawm kev kho kom zoo nkauj tsis paub ntau txog kev faib xim. Lawv tsuas paub tias cov primer siv rau cov primer thiab cov topcoat siv rau kev tsim kho ntawm qhov chaw pleev xim. Tab sis kuv tsis paub tias muaj xim dej thiab xim ci, qhov txawv yog dab tsi...Nyeem ntxiv -
Yuav ua li cas daws qhov teeb meem ntawm cov xim pleev xim tom qab txau xim dej?
Hauv kev lag luam txau tshuaj, cov hom ntawv pleev xim tau muab faib ua cov yas thiab cov hlau. Yuav kom tau txais qhov chaw txau zoo dua los daws qhov teebmeem tiag tiag, cov xim pleev xim yuav tsum tau lo rau ntawm daim ntawv. Feem ntau tom qab qhov tshwj xeeb ...Nyeem ntxiv -
Kev ua tau zoo ntawm cov xim pleev xim rau kev lag luam thiab cov kev cai ntawm kev tsim kho
Tam sim no thoob plaws lub tebchaws tab tom txhawb nqa cov xim pleev xim rau kev lag luam uas muaj dej, yog li ua li cas txog kev ua tau zoo ntawm cov xim pleev xim rau kev lag luam uas muaj dej? Puas tuaj yeem hloov cov xim pleev xim rau kev lag luam uas muaj roj ib txwm muaj? 1. Kev tiv thaiv ib puag ncig. Vim li cas cov xim pleev xim uas muaj dej thiaj li pom zoo dav dav...Nyeem ntxiv -
Yuav ua li cas xaiv cov tshuaj pleev thaiv dej zoo?
Kev tiv thaiv dej: Ua ib yam khoom siv tiv thaiv dej, kev tiv thaiv dej yog qhov yooj yim tshaj plaws thiab tseem ceeb tshaj plaws. Feem ntau, cov khoom siv tiv thaiv dej zoo tuaj yeem ua rau cov xim pleev xim pob tshab thiab tsis yooj yim rau mos txawm tias tom qab raug tsau hauv dej ntev. Raws li qhov tsos ntawm lub cev ib txwm muaj ...Nyeem ntxiv -
Qhov tsis zoo ntawm cov xim dej Qhov sib txawv ntawm cov xim dej thiab cov xim
Yuav kom pleev xim rau phab ntsa, koj yuav tsum xaiv hom xim thiab xim dej. Txhua tus muaj nws tus kheej qhov zoo thiab yam ntxwv. Yog li ntawd, peb yuav txiav txim siab raws li lawv cov yam ntxwv ua haujlwm thaum xaiv. Txawm li cas los xij, ua ntej tshaj plaws, peb xav kom txhua tus ua ntej Saib qhov tsis zoo ...Nyeem ntxiv -
Muaj ntau hom acrylic emulsions
Acrylic acid yog ib qho organic compound nrog cov tshuaj mis C3H4O2 thiab yog ib qho yooj yim unsaturated carboxylic acid uas muaj ib pawg vinyl thiab ib pawg carboxyl. Acrylic acid ntshiab yog ib qho kua ntshiab, tsis muaj xim nrog ib qho tsw ntxhiab tsw qab. Nws yog miscible nrog dej, cawv, ether thiab c...Nyeem ntxiv -
Tshwj xeeb rau cov tshuaj tiv thaiv xeb thiab dej tsis nkag (polyacrylate emulsion)
Nta: 1. Kev tiv thaiv ib puag ncig ntsuab, tsis muaj ntxhiab, tsis muaj catalyst, kho sai, hnav kev tiv thaiv yooj yim thaum lub sijhawm tsim kho, tuaj yeem siv rau ntawm txhua qhov chaw nkhaus, qhov chaw inclined thiab qhov chaw ntsug 2. Nws tsis rhiab rau cov dej noo thiab av noo, thiab tsis cuam tshuam los ntawm qhov qhuav ...Nyeem ntxiv -
Qhov txawv ntawm cov xim pleev uas siv dej thiab cov xim pleev uas siv cov kuab tshuaj yog dab tsi?
Niaj hnub nim no, tib neeg them sai sai rau cov pa roj carbon tsawg thiab kev tiv thaiv ib puag ncig, yog li thaum kho kom zoo nkauj, feem ntau cov neeg yuav xaiv qee cov txheej txheem tiv thaiv ib puag ncig zoo dua. Niaj hnub no peb feem ntau tham txog cov txheej txheem tiv thaiv dej tsis zoo rau ib puag ncig. Cov txheej txheem tiv thaiv dej feem ntau muab faib ua ob hom coa ...Nyeem ntxiv -
Txoj cai ntawm kev ntub dej ntawm tus neeg sawv cev ntub dej thiab kev ua haujlwm ntawm tus neeg faib dej
1. Lub Ntsiab Cai Thaum cov dej-raws li resin yog coated rau ntawm qhov chaw ntawm lub substrate, ib feem ntawm cov neeg sawv cev ntub dej yog nyob rau hauv qab ntawm lub txheej, uas yog nyob rau hauv kev sib cuag nrog qhov chaw yuav tsum tau ntub dej, lub lipophilic ntu yog adsorbed rau ntawm qhov chaw khov, thiab cov hydrophilic pawg txuas ntxiv mus rau sab nraud ...Nyeem ntxiv -
Kev kwv yees kev xav tau ntawm kev lag luam ntawm Waterborne Coatings
Kev kwv yees kev thov lag luam thoob ntiaj teb. Raws li daim ntawv tshawb fawb tshiab tshaj plaws uas Zion kev tshawb fawb lag luam tau tshaj tawm, qhov ntsuas kev lag luam txheej txheem dej thoob ntiaj teb yog US $ 58.39 billion hauv xyoo 2015 thiab xav tias yuav ncav cuag US $ 78.24 billion hauv xyoo 2021, nrog rau kev loj hlob txhua xyoo ntawm 5%. Raws li qhov tseeb tshaj plaws ...Nyeem ntxiv -
Qhov txawv ntawm cov acrylic emulsion ntshiab thiab styrene acrylic emulsion yog dab tsi?
Feem ntau hais lus, hais txog kev tiv thaiv dej thiab kev tiv thaiv huab cua, cov acrylic emulsion ntshiab zoo dua li styrene acrylic emulsion. Feem ntau, cov acrylic emulsion ntshiab siv tau rau cov khoom siv sab nraum zoov, styrene acrylic emulsion feem ntau siv rau cov khoom siv hauv tsev. Cov acrylic emulsion ntshiab...Nyeem ntxiv -
Vim li cas cov khoom siv tshuaj lom neeg thiaj li nce nqi thoob plaws lub rooj tsavxwm
Cov neeg koom tes me me uas tau them sai rau cov tshuaj lom neeg yuav tsum tau pom tsis ntev los no tias kev lag luam tshuaj lom neeg tau coj tus nqi nce siab heev. Dab tsi yog cov yam ntxwv tiag tiag tom qab tus nqi nce siab? (1) Los ntawm sab kev thov: kev lag luam tshuaj lom neeg ua kev lag luam procyclical, hauv kev sib kis tom qab ...Nyeem ntxiv
