Hnub Tim: 15, Jul, 2024
1. Qhob nrog cov flu fluciity yog nquag nquag thiab cais.
Feem ntau, cov qoob loo siab npaj tau npaj nrog cov neeg sawv cev polycarbox Stratification thiab kev cais tawm tshwm sim hauv lub dab dej ntawm coarse aggrate thiab ntab cug lossis cov slurry. Thaum twg hom pob zeb sib xyaw no yog siv rau nchuav, Delamination thiab cais yog pom tseeb txawm tias tsis muaj kev co.
Qhov laj thawj yog feem ntau yog vim tias qhov nrawm dua hauv viscosity ntawm cov slurry thaum lub fluidity ntawm cov pob zeb sib xyaw nrog cov roj polycarboxylic yog qhov siab. Tsim nyog sib txuas ntawm cov teeb meem thickening tsuas tuaj yeem daws cov teeb meem no feem ntau ua rau cov tshuaj tiv thaiv ntawm kev txo cov nyhuv dej-txo cov nyhuv.

2. Thaum siv nyob rau hauv kev sib txuas nrog lwm hom dej txo tus neeg sawv cev, tsis muaj cov nyhuv superimposed.
Yav dhau los, thaum npaj pob zeb ua ke, cov khoom nqus dej yuav hloov pauv, thiab cov khoom sib xyaw ntawm cov khoom sib xyaw, tsis muaj kev hloov pauv sai sai hauv cov khoom ntawm cov pob zeb sib xyaw Cov.
Thaum polycarboxylic acid-based dej-txo cov neeg sawv cev yog siv ua ke nrog lwm cov dej-raws li dej-txo cov tshuaj tiv thaiv kev daws teeb meem thiab lwm hom dej- Txo tus neeg sawv cev tawm ntawm cov kev daws teeb meem yog inherently tsis zoo.
3. Tsis muaj kev hloov pauv hloov pauv tom qab ntxiv cov khoom siv hloov sib txuas ntau ntau.
Tam sim no, muaj kev nqis peev me me hauv kev tshawb fawb txog Polycarboxylic acid-based dej-txo cov neeg sawv cev. Feem ntau, lub hom phiaj ntawm kev tshawb fawb tsuas yog txhawm rau txhim kho nws cov yas thiab txo cov nyhuv dej. Nws yog ib qho nyuaj rau tsim cov qauv molecular raws li kev xav tau kev sib txawv ntawm kev siv tau. Ib qho ntawm polycarboxylic acid-based dej-raws li dej txo cov neeg sawv cev nrog cov khoom sib txawv thiab muaj cua sib txawv yog synthesized. Vim tias muaj ntau haiv neeg thiab qhov tsis ruaj khov ntawm cov xis, thiab cov neeg muag khoom kom qhuas thiab txo cov khoom lag luam zoo nkauj ua raws li cov kev xav tau.
Tam sim no, kev ntsuas kev siv rau kev hloov kho cov dej sib txuas ntawm cov neeg sawv cev ntawm cov neeg sawv cev ntawm cov chaw ua haujlwm ntawm kev hloov pauv dej xws li naphosulfonate series thiab naphthalene series-efficiency dej-txo cov neeg sawv cev. Kev ntsuam xyuas tau ua pov thawj tias kev hloov kho kev hloov kho kev hloov kho ua haujlwm dhau los tsis tsim nyog rau cov neeg sawv cev polycarboxylic txo cov neeg sawv cev. Piv txwv li, ntawm cov retardant Cheebtsam siv los hloov Naphthalene dej cov neeg sawv cev, sodium citrate tsis haum rau polycarboxylic acid-based dej-txo cov neeg sawv cev. Tsis tsuas yog nws tsis muaj cov nyhuv retarding, nws yuav ua kom nrawm ciasululation, thiab cov socarbox
Tsis tas li ntawd, ntau hom kev tawm tsam, huab cua-entraining cov neeg sawv cev thiab cov thickeners tsis haum rau polycarboxylic acid-based dej tus neeg sawv cev. Los ntawm cov kev ntsuam xyuas saum toj no thiab kev tsom xam, nws tsis yog qhov tshwj xeeb uas yog cov qauv kev tshawb fawb thiab kev ua haujlwm ntawm cov khoom siv engineering ntawm cov theem no, qhov cuam tshuam ntawm polycarboxylic acid dej-txo cov neeg sawv cev ntawm cov khoom siv roj ntsha polycarbox Cov neeg sawv cev, kev tshawb nrhiav kev tshawb fawb thiab tshawb fawb yuav xav tau rau cov neeg sawv cev polycarboxylate-based dej-txo cov neeg sawv cev. Ua kom haum thiab ntxiv.
4. Qhov ua tau zoo ntawm cov khoom lag luam tsis zoo.
Tsis muaj ntau cov pob zeb ua dej ntws-txo tus neeg sawv cev cov tuam txhab ua hluav taws xob tuaj yeem pom tau tias zoo raws li cov tuam txhab siv tshuaj lom. Ntau lub tuam txhab tsuas yog nyob hauv thawj cov chav ua haujlwm ntawm cov sib tov thiab ntim tshuab, thiab cov khoom lag luam zoo yog txwv los ntawm masterbatch. Raws li deb ntawm kev tswj khoom tau muaj kev txhawj xeeb, qhov tsis muaj peev xwm ntawm cov khoom siv raw uas tau ua tiav cov kev ua tau zoo ntawm polycarboxylic acid-raws superplasticizers.
Lub Sijhawm Post: Jul-15-2024