HPMC (HydroxyPropyyl methylulose) yog qhov tsis-ionic cellulculose siv tau nyob rau hauv kev tsim kho, tshuaj, zaub mov txhua hnub thiab lwm yam kev lag luam. Raws li nws txoj kev sib cais thiab kev thov cov yam ntxwv, HPMC tuaj yeem faib ua ob hom: TAM SIM NTT thiab kub hom. Muaj ntau qhov sib txawv ntawm ob qho nyob rau hauv cov nqe lus ntawm cov txheej txheem ntau lawm, cov kev mob thiab kev thov cov xwm txheej.
1. Tam sim no HPMC
Tam sim no HPMC, tseem hu ua dej txias soluble hom, tuaj yeem yaj hauv dej txias los tsim lub pob tshab colloidal. Nws cov yam ntxwv tseem ceeb yog raws li hauv qab no:
1.1. So
Tam sim no HPMC cov khoom pov thawj zoo rau Solubility hauv dej txias thiab tau tawg sai sai thaum raug dej. Nws tuaj yeem yaj nyob rau hauv ib lub sijhawm luv los ua cov tshuaj sib xyaw ua ke, feem ntau yog tsis muaj kev xav tau cua sov. Nws cov kua aqueous muaj qhov zoo transparency, ruaj khov thiab viscosity kev hloov kho muaj peev xwm.
1.2. Daim Ntawv Thov Kev Pab Cuam
Instant HPMC feem ntau yog siv nyob rau hauv cov xwm txheej uas yuav tsum muaj kev sib cais thiab kev daws teeb meem. Cov chaw thov cov chaw muaj xws li:
Kev tsim kho: siv los ua dej tuav tus neeg sawv cev thiab cov khoom siv thickening rau cov khoom siv cov paj ntaub thiab cov gypsum los pab txhim kho kev ua haujlwm zoo.
Cov khoom siv tshuaj lom txhua hnub: xws li tshuaj ntxuav tshuaj:
Kws Tshuaj Kev Lag Luam: Siv los ua cov yeeb yaj kiab-ua tus neeg sawv cev, cov nplaum, thiab lwm yam rau cov ntsiav tshuaj. Nws tuaj yeem raug ntiab tawm sai heev hauv dej txias los pab txhawb kev tsim khoom ntawm kev npaj.
1.3. Qhov Zoo
Dissolves sai thiab yog haum rau kev ua kom txias.
Yooj yim mus thov thiab ntau yam kev siv.
Cov kev daws muaj qhov siab transparency thiab kev ruaj khov zoo.
2. KUB qhuavt HPMC
Kub-yaj HPMC, tseem hu ua cov dej hom kub lossis qeeb-piav qhia hauv dej kub, lossis nws yuav xav tau ib lub sijhawm dhau los hauv dej txias kom muaj kev daws teeb meem. Nws cov yam ntxwv muaj raws li hauv qab no:
2.1. So
Kev coj tus cwj pwm sib txawv ntawm kub-yaj HPMC yog qhov txawv ntawm cov hom tseem ceeb. Hauv dej txias, kub-yaj HPMC tsuas yog disperses tab sis tsis yaj. Nws yuav tsuas yog yaj thiab tsim ib qho kev daws teeb meem thaum ua kom sov rau qhov kub thiab txias (feem ntau nyob ib ncig 60 ° C). Yog tias ntxiv rau dej txias thiab nplawm tsis tu ncua, HPMC yuav nqus dej thiab pib yaj, tab sis cov txheej txheem qeeb.
2.2. Daim Ntawv Thov Kev Pab Cuam
Kub-yaj HPMC feem ntau yog siv hauv cov xwm txheej uas lub sijhawm ua tiav lossis cov kev ua thermal tshwj xeeb yuav tsum tau tswj hwm. Cov chaw thov cov chaw muaj xws li:
Cov ntaub ntawv hauv tsev: xws li kev siv cov nplaum, cov plastering mortars, thiab lwm yam. Txo agglomeration thaum sib tov lossis nplawm, thiab txhim kho kev tsim kho.
Kws kev lag luam: xws li cov khoom txheej rau cov ntsiav tshuaj kom tso tawm cov tshuaj uas tso tawm los ntawm cov khoom sib txawv ntawm qhov kub tshaj.
Txheej Txheej Kev Lag Luam: Siv rau txheej txheej tso kev lag luam hauv qee qhov kev kub siab tshwj xeeb kom ua kom paub meej zaj duab xis zoo thaum lub sijhawm tsim kho.
2.3. Qhov Zoo
Nws tuaj yeem ncua kev sib cais thiab haum rau qee lub sijhawm nrog cov cai tshwj xeeb ntawm kev ua kom nrawm.
Tiv thaiv agglomeration hauv dej txias thiab muaj kev ua tiav zoo.
Haum rau thermal ua lossis cov ntawv thov uas yuav tsum tau tswj hwm ntawm cov txheej txheem sib cais.
3. Lub ntsiab sib txawv ntawm cov hom tseem ceeb thiab kub yaj
3.1. Sib txawv cov txheej txheem sib txawv
Tam sim no HPMC: Nws tuaj yeem yaj sai nyob rau hauv dej txias los tsim qhov kev daws teeb meem pob tshab, uas yooj yim thiab nrawm siv.
Kub-yaj HPMC: nws yuav tsum tau yaj nyob rau hauv dej kub lossis yuav tsum tau ua tag nrho cov dej txias ntev ntev, uas yog tsim nyog rau qee qhov kev tswj hwm kev tswj hwm kev tswj hwm kev ua tiav.
3.2. Qhov sib txawv hauv kev thov teb
Vim nws cov yam ntxwv sib txawv, tam sim no HPMC yog tsim nyog rau cov xwm txheej uas yuav tsum tau tsim tam sim ntawd, xws li cov khoom lag luam txhua hnub. Kub-Maunt HPMC feem ntau yog siv nyob rau hauv cov xwm txheej uas yuav tsum muaj kev ncua ib puag ncig lossis thaj chaw muaj cov kev xav tau ua kom nruj.
3.3. Qhov sib txawv hauv cov txheej txheem khoom
Thaum lub sijhawm cov txheej txheem tsim khoom, tam sim no HPMC yog siv tshuaj hloov kho kom sai sai rau sai sai hauv dej txias. Kub-yaj HPMC tswj hwm nws cov khoom qub thiab yuav tsum tau yaj hauv dej kub. Yog li ntawd, hauv kev siv ntau lawm, nws yog qhov tsim nyog los xaiv HPMC tsim nyog raws li cov txheej txheem sib txawv thiab cov khoom kom cov khoom yuav tsum tau ua.
4. Tej yam yuav tsum tau nco thaum xaiv HPMC
Thaum xaiv los siv Instant lossis Kub-yaj HPMC, koj yuav tsum txiav txim siab raws li cov kev thov yuav tsum muaj:
Rau cov xwm txheej uas yuav tsum tau ua tiav nrawm: xws li cov khoom siv hauv tsev uas yuav tsum tau siv tam sim ntawd thaum lub sijhawm npaj tshuaj ntau lawm, lossis npaj tau sai sai.
Rau cov xwm txheej uas yuav tsum muaj kev sib cais los yog thermal ua cov ntsiav tshuaj, cov tshuaj pleev pob zeb, lossis siv tshuaj yeeb yaj kiab, kub HPMC yuav tsum raug xaiv.
Muaj ntau qhov sib txawv ntawm kev ua tiav kev ua tau zoo thiab kev thov teb ntawm tam sim no HPMC thiab kub-yaj HPMC. Hom tseem ceeb yog tsim nyog rau cov ntawv thov uas yuav tsum muaj kev sib cais nrawm dua, thaum lub hom kub kub uas yuav tsum muaj kev sib tw lossis kev ua haujlwm sov. Hauv cov ntawv thov tshwj xeeb, xaiv cov hom HPCC tsim nyog tuaj yeem txhim kho kev ua haujlwm tau zoo thiab ua kom ua kom ua tau cov khoom lag luam zoo. Yog li ntawd, hauv kev tsim tiag thiab siv, nws yog qhov tsim nyog los xaiv hom HPMC raws cov txheej txheem tshwj xeeb thiab cov khoom yuav tsum tau ua.
Sijhawm Sijhawm: Sep-25-2024