Thaum ua cov putty hmoov cho koob tshuaj no, lub piscosity xaiv ntawm hydroxypropylulose, cuam tshuam ncaj qha rau kev ua tau zoo thiab kev tsim kho ntawm cov khoom.
1. Cov khoom yooj yim ntawm HPMC
HPMC yog ib qho tseem ceeb ntxiv hauv cov hmoov uas muaj sia muaj sia thiab tshuaj khib, nrog dej kom huv, tuab thiab ruaj khov thiab ruaj khov. Lub visccosity ntawm HPMC nyob ntawm nws cov molecular hnyav thiab qib hloov chaw, thiab chav viscosity feem ntau yog MPa.S (Millipcal vib nas this).
2. Qhov tseem ceeb ntawm viscosity xaiv
Dej khaws cia: HPMC nrog cov tshuaj viscosity siab feem ntau muaj cov txheej txheem kom yooj yim thaum lub sij hawm ua kom qhuav thiab siv tau ua haujlwm zoo thaum kev tsim kho.
Thickening: HPMC nrog cov nyhuv ntau dua tuaj yeem muab cov viscoly zoo dua, tiv thaiv sagging, thiab txhim kho cov nplaum ntawm ntsug ntawm qhov chaw.
Kev tsim kho thiab kev tsim kho: Qhov tsim nyog viscosity pab cov sib tov rau tusyees dispersed thiab muaj cov tshuaj zoo, ua kom yooj yim thov thiab ntsuas kev tsim kho.
3. Cov kev txiav txim siab tshwj xeeb rau cov viscosity xaiv
Kev tsim kho ib puag ncig: hauv qhov kub thiab vaum ib puag ncig, nws raug pom zoo kom xaiv HPMC nrog cov visccity hpmiscosity kom ntseeg tau tias cov dej zoo. Nyob rau hauv tsawg kub thiab siab vaum ib puag ncig ib puag ncig, HPMC nrog qis viscosity tuaj yeem raug xaiv kom ntseeg tau tias cov dej thiab cov yeeb ncuab.
Substrate Hom: Cov txheej txheem sib txawv muaj cov cai sib txawv rau cov hmoov mov nplaum thiab tshuaj khib. Rau substrates nrog cov dej nqus dej muaj zog, xws li cov phab ntsa cib thiab cov phab ntsa khov mas, nws pom zoo kom xaiv HPMC nrog cov viscosity high los txhim kho cov dej khaws cia; Rau cov substrates nrog cov dej nqus dej tsis muaj zog, xws li gypsum laug cam thiab phab ntsa pob zeb, hpmc nrog nruab nrab viscosity tuaj yeem xaiv tau.
Siv tuab: Thaum txheej tuab yog siv, qib siab viscos tuaj yeem tiv thaiv hpmc tuaj yeem tiv thaiv cov kab nrib pleb thiab shrinkage thaum ziab; Thaum txheej nyias nyias yog thov, nruab nrab thiab qis viscosity HPMC tuaj yeem txhim kho kev ua haujlwm tau zoo thiab cov tiaj nyom.
Cov txheej txheem kev tsim kho: Kev Tuav Kev Los Ntawm Txhais Tes thiab Tshuab Txau muaj cov kev xav tau sib txawv rau HPMC viscosity. Thaum thov manually, mederate viscosity tuaj yeem txhim kho kev ua haujlwm; Thaum txau tshuab, HPMC nrog qis viscosity tuaj yeem ua kom cov haujlwm ua haujlwm tau ua haujlwm ntawm cov khoom txau.
4. Cov lus qhia tshwj xeeb rau viscosity xaiv
Sab hauv Phab Ntsa Putty Hmoov: HPMC nrog Viscosity ntawm 20,000-60,000 mpa.s feem ntau raug xaiv. Hom kev ua hmoov putty yuav tsum muaj cov dej ua kom zoo thiab cov khoom siv tuab txhawm rau txhim kho kev ua haujlwm thiab cov khoom ua haujlwm zoo.
Phab ntsa sab nrauv Putty hmoov: HPMC nrog viscosity ntawm 100,000-200,000 mpa.S feem ntau raug xaiv. Phab ntsa sab nrauv Putty muaj cov dej rov qab nce siab dua thiab tawg kom tsis kam nrog kev hloov pauv ntawm ib puag ncig sab nraud.
Qhuav cug: HPMC nrog cov viscosities txawv tau xaiv raws li kev siv tshwj xeeb. Feem ntau hais lus, vwg cov khoom lag luam, thiab lwm yam yuav tsum tau siv HPA.S), thaum lub ntsej muag qhuav HPMC nrog ib qho nruab nrab lossis qis-60,000 mpa.s).
5. Kev sim pov thawj ntawm viscosity xaiv
Hauv kev tsim khoom tiag tiag, nws yog qhov tsim nyog los xyuas cov cawv ntawm HPMC nrog cov viscosities sib txawv ntawm kev ua yeeb yam ntawm cov hmoov putty thiab tshuaj khib. Qhov feem ntau haum HPMC viscosity tuaj yeem nrhiav tau los ntawm kev kho lub viscos thiab tshuaj ntsuam ntawm HPMC, kev sim tshuaj, kev ua haujlwm ntawm cov sib tov tom qab ua kom tawv.
Kev xaiv ntawm HPMC viscosity yuav tsum tau nkag siab txog qhov kev xav ntau xws li dej cia, ua haujlwm tuab, ua haujlwm thiab hom kev ua haujlwm. Los ntawm kev sim tshawb fawb thiab kev xaiv tsim nyog, kev ua haujlwm tsim tau thiab kev tsim kho kom muaj hmoov thiab tshuaj khib ua kom zoo nkauj tuaj yeem hloov kho. Txog cov xwm txheej sib txawv thiab kev tsim kho, nws yog ib qho tseem ceeb los xaiv HPMC nrog cov viscosity HPMC nrog cov khoom ruaj khov thiab cov neeg siv kev txaus siab.
Lub Sijhawm Post: Feb-17-2025