Lub luag haujlwm ntawm hydroxypropyl methylcellulose hauv putty
Los ntawm thickening, dej tuav thiab tsim kho peb lub zog.
Thickening: cellulose tuaj yeem ua tuab rau ncua, ua kom cov kev daws teeb meem thiab xwm yeem, thiab tiv taus sagging. Dej khaws cia: Ua kom cov hmoov noj kom qhuav, thiab pab cov tshuaj tiv thaiv hmoov tshauv hauv qab dej. Kev tsim kho: Cellulose muaj cov nyhuv muaj lubricating nyhuv, uas tuaj yeem ua rau cov hmoov puty muaj cov haujlwm zoo. HydroxyPropyyl Metylcellulose tsis koom nrog kev tshuaj tiv thaiv tshuaj thiab tsuas yog ua lub luag haujlwm ntawm lub luag haujlwm. Putty hmoov yog ntxiv rau batch rau batch phab ntsa, uas yog tshuaj lom neeg cov tshuaj tiv thaiv, vim tias muaj kev tsim cov khoom lag luam calcium tshiab. Lub ntsiab ntawm cov hmoov tshauv calcium hmoov yog: kev sib xyaw ntawm calcium hydroxide Ca (Oh) 2, calcium oxide cao thiab ib qho me me ntawm calcium carbonate caco3. Cov co thiaj li muaj cov dej cal2 hauv dej thiab huab cua, thaum hydroxyprropyl cellulose cia li muaj cov tshuaj ntsuab zoo dua, uas nws tus kheej tsis koom nrog txhua yam tshuaj tiv thaiv.
Peb xub tshawb xyuas cov laj thawj rau cov hmoov poob ntawm cov ntaub ntawv nyoos los ntawm cov zaub mov nyoos, hydroxypropeny, cov dej hiav txwv calcium hmoov
1. Hauv kev txiav txim siab tiag tiag, nyob rau hauv kev txiav txim siab ceev lub decomposition, kev xam ntsuas kub feem ntau tau nce mus rau 1000-1100 ° C. Vim yog qhov loj me ntawm limestone rawone rais khoom lossis cov lus tsis sib xws nyob rau hauv lub kilen thaum kev saib xyuas thaum kev saib xyuas, txiv qaub feem ntau muaj cov kua qaub underfiring thiab overfired txiv qaub. Cov calcium carbonate hauv underfire txiv qaub tsis muaj decomposed kiag li, thiab tsis muaj cohesive zog rau kev siv los ntawm kev tshem tawm txaus los ntawm kev tawv me thiab lub zog ntawm lub putty.
2. Lub siab dua cov ntsiab lus ntawm calcium hydroxide hauv cov hmoov tshauv calcium hmoov, qhov zoo dua lub hardness ntawm cov putty ua. Ntawm qhov tsis sib xws, txo qis cov ntsiab lus hydroxide hauv cov hmoov tshauv calcium hmoov, qhov tsis zoo ntawm qhov chaw tsim khoom, ua rau cov hmoov ntawm cov hmoov tshem tawm thiab hmoov tshem tawm.
3. Cov hmoov tshauv calcium hmoov yog sib xyaw nrog cov hmoov ntau ntawm cov ntsiab lus ntawm cov hmoov av ntawm cov hmoov av, uas ua rau muaj kev nyuaj thiab lub zog rau lub putty kom poob hmoov. Lub luag haujlwm tseem ceeb ntawm cov hmoov putty yog khaws cia dej, muab dej txaus rau cov hmoov tshauv ntawm cov hmoov tshauv. Yog tias muaj teeb meem nrog qhov zoo ntawm hydroxypropylulose lossis cov ntsiab lus zoo, uas yuav ua rau muaj kev ua kom tsis txaus thiab ua rau cov putty kom poob hmoov.
Nws tuaj yeem pom los ntawm cov saum toj no tias qhov zoo tshaj ntawm hydroxyprropylulose yog txom nyem heev thiab tsis tuaj yeem ua tiav qee yam cuam tshuam, thiab cov hmoov muaj zaub yuav poob. Qhov laj thawj tseem yog Grey Neeg thov khawv Calcium.
Lub Sijhawm Post: Sep-22-2022