Hnub Tim:3,Jul,2023
HydroxyPropyyl Methyl cellulose(HPMC)Feem ntau yog siv hauv cov hmoov putty nrog viscosity ntawm 100000, thaum cug muaj cov kev ua paug zoo thiab yuav tsum tau xaiv nrog viscosity ntawm 150000 rau kev siv tau zoo dua. Qhov tseem ceeb tshaj plaws ntawmHydroxyPropyyl Methyl celluloseyog kom khaws dej, ua raws li thickening. Yog li ntawd, nyob rau hauv putty hmoov, tsuav yog dej cia mus txog thiab lub viscosity yog qis dua, nws tseem ua tau. Feem ntau hais lus, ntau dua cov viscosity, qhov zoo dua cov dej khaws cia. Txawm li cas los xij, thaum lub viscosity tshaj 100000, muaj txiaj ntsig ntawm cov viscosity ntawm dej khaws cia tsis yog qhov tseem ceeb.
JUFU Lub Tsev Khoom Cov Khoom QebHydroxyPropyyl Methyl celluloseTxawv los ntawm viscosity, nws yog feem ntau muab faib ua cov hauv qab no:
1. Qaus viscosity: 400 viscosity cellulose, feem ntau yog siv rau kev colle sib nraus. Tsis tshua muaj viscosity, zoo heev flowerability, thiab tom qab ntxiv, nws yuav tswj hwm cov dej saum npoo khaws cia. Qhov uas los ntshav tsis pom tseeb, lub shrinkage yog me me, thiab kev tawg yog txo. Nws tseem tuaj yeem tiv thaiv sedimentitation, txhim kho cov wangabilabilability thiab tsis muaj zog.
2. Nruab nrab mus rau viscosity tsawg: 20000 rau 50000 viscosity cellulose, feem ntau yog siv rau gypsum khoom thiab cov fillers sib koom tes. Cov viscosity qis, cov dej zoo khaws cia, ua haujlwm tau zoo, thiab dej tsis ntxiv ntxiv,
3. Nruab nrab viscosity: 75000-100000-100000 Viscosity cellulose, feem ntau yog siv rau phab ntsa sab hauv thiab sab nrauv putty. Cov viscirecosity me me, cov dej ua kom zoo, thiab kev siv cov tshuaj zoo.
4. High viscosity: 150000 txog 200000 Yuan, tsuas yog siv rau polystyrified microurch sib xyaw thiab cov dej khaws cia. Lub cug cug tsis yooj yim poob tawm thiab dai, txhim kho kev tsim kho.
Feem ntau hais lus, ntau dua cov viscosity, qhov zoo dua cov dej khaws cia. Yog li ntawd, ntau tus neeg muas zaub xaiv siv nruab nrab viscosity cellivose cellivose (75000-100000) hloov viscosity cellivcas (20000-50000) los txo tus nqi ntxiv thiab tswj tus nqi.
Lub viscosity ntawmHPMCyog inversely proportional kom kub, hauv lwm lo lus, viscosity nce nrog ib txo hauv qhov kub. Lub viscosity ntawm cov khoom txhais tau tias nws 2% kev daws teeb meem yog nyob rau ntawm qhov kub ntawm 20 degrees Celsius, thiab cov txiaj ntsig kev sim yog qhov tseeb.
Hauv cov ntawv thov tshwj xeeb, saib xyuas yuav tsum tau them rau thaj chaw uas muaj qhov sib txawv loj ntawm lub caij ntuj sov thiab lub caij ntuj no, thiab nws raug pom zoo kom siv cov viscosity nyob rau lub caij ntuj no. Txwv tsis pub, yog tias viscosity yog tsawg, viscosity ntawm cellulose yuav nce thiab cov khawb yuav hnyav.
Lub Sijhawm Post: Jul-03-2023