HydroxyPropyyl Methylcellulose (HPMC)Yog cov tshuaj siv cov tshuaj tua neeg siv nyob rau hauv kev tsim kho kev tsim kho, feem ntau ua los ntawm cellulose los ntawm kev hloov kho. Nws cov khoom tshwj xeeb ua rau nws siv dav hauv kev tsim kho, tshwj xeeb tshaj yog nyob rau hauv kev tawm tsam, dej khaws cia, thickening thiab lwm yam ntawm cov ntaub ntawv hauv tsev.
1. Cov yam ntxwv yooj yim ntawm hydroxypropyl methylcellose
HydroxyPropyyl methylulose yog xim dawb lossis me ntsis daj tsis zoo thiab tsis muaj qab hau. Nws tuaj yeem raug ntiab tawm hauv dej txias thiab ua ib lub pob tshab colloidal tov. Nws hloov kho qauv muab nws zoo dej khaws cia, thickening, zaj duab xis-ua thiab cov tshuaj pleev cov tshuaj tua kab. Hauv kev tsim kho, HPMC tau dav siv los ua cov tuab dua, stabilizer thiab dej-tuav tus neeg sawv cev.
2. Siv ntawm hydroxypropyl methylcellose hauv kev tsim kho kev tsim kho
2.1 Daim ntawv thov nyob rau hauv cov khoom noj khoom haus cov khoom noj
HPMC tsuas yog siv nyob rau hauv cov cai tso cai los txhim kho lub fluidity ntawm Maas slurry thiab txuas lub sijhawm tsim kho. Daim ntaub ntawv tshwj xeeb suav nrog:
Pobzeb nplaum: HydroxyPropyyl metreylcellulose lub zog tuaj yeem txhim kho lub zog buttering ntawm cov nplais nplaum, tiv thaiv nws kom tsis txhob poob, thiab txhim kho nws qhov kev ua haujlwm tsis zoo. Nws tuaj yeem txhim kho kev ua haujlwm ntawm colline hauv cov kab cug qhuav thiab kom ntseeg tau cov ntawv thov no.
Gypsum cugs: HPMC tuaj yeem txhim kho kev ua haujlwm thiab cov plastering ntawm gypsum tshuaj khib, ncua sij hawm Mass Gypsum tshuaj khib, thiab txo cov hollowing.
Qhuav-mixed-mixed cug, hpmc feem ntau yog siv los txhim kho cov nplaum ntawm kev tsim kho, thiab zam cov ntaub ntawv tuab thaum lub sijhawm kev tsim kho, thiab kom tsis txhob muaj cov khoom siv bedimentation thiab stratification ntawm cov ntaub ntawv.
2.2 Daim ntawv thov nyob rau hauv kev lag luam txheej
Daim ntawv thov ntawm HPMC nyob rau hauv txheej txheej kev lag luam yog qhov tshwj xeeb yog xav hauv lub thickening, rheology kho kom haum ntawm txheej txheej. Nws tuaj yeem muab cov kev ua kom zoo los tiv thaiv kev ua tau zoo, kom cov txheej uas muaj covyees siv tau yooj yim thiab tsis yooj yim rau kev tsim. HPMC nyob rau hauv txheej tuaj yeem txhim kho cov kev pab them nqi thiab adhesion ntawm txheej, ua kom lub durability ntawm phab ntsa lossis lwm qhov chaw.
2.3 daim ntawv thov hauv cov ntaub ntawv dej
Hauv cov ntaub ntawv tsis muaj dej, HPMC feem ntau yog siv los txhim kho cov nplaum, kev sib raug zoo thiab cov dej khaws cia ntawm cov kua ntoo pleev dej. Nws tuaj yeem txhim kho qhov kev ua haujlwm zoo thiab kev txhim kho kev nplij siab ntawm waterproud txheej, thiab xyuas kom meej tias cov khoom siv qhib ntev ntev, uas yooj yim rau cov neeg ua haujlwm hloov kom tiav hauv cov chaw loj.
2.4 Daim Ntawv Thov Hauv Cult Khov Thiab Qhob
Hauv cov khoom siv tshuaj lom thiab tshuaj khib, ua kom cov dej ua kom muaj kev txhim kho ntawm cov khoom tsim kho thaum lub sijhawm tu, yog li tsis txhob muaj ntau tiam neeg tawg. Ib qho ntxiv, nws kuj tseem tuaj yeem txhim kho cov fluidity thiab nqus cov pob zeb ua kom zoo nkauj, tshwj xeeb yog cov admixture tuaj yeem txhim kho kev ua haujlwm ntawm cov pob zeb ua haujlwm ntawm cov pob zeb ua haujlwm ntawm cov pob zeb ua haujlwm ntawm cov pob zeb ua haujlwm ntawm cov pob zeb ua haujlwm ntawm cov pob zeb ua haujlwm ntawm cov pob zeb ua haujlwm ntawm cov pob zeb ua haujlwm ntawm cov pob zeb ua haujlwm ntawm cov pob zeb ua haujlwm ntawm cov pob zeb ua haujlwm ntawm cov pob zeb ua haujlwm.
2.5 daim ntawv thov hauv cov ntaub ntawv rwb thaiv tsev
Daim ntawv thov ntawm HPMC hauv cov ntaub ntawv rwb thaiv tsev yog feem ntau muaj cov tshuaj khib thiab sab nrauv phab ntsa rwb thaiv tsev tshuab. Nws tsis yog tsuas pab txhim kho txoj kev sib raug zoo lub zog thiab kev tsim kho cov khoom siv, tab sis kuj tseem ua kom muaj kev sib txawv ntawm cov txheej txheej thiab zam cov hollowing thiab poob tawm.
3. Qhov zoo ntawm HPMC
3.1 Txhim kho kev tsim kho kev tsim kho
Raws li cov tuab dua, HPMC tuaj yeem txhim kho cov ntaub ntawv tsim tsev, ua tshuaj tua kab mob ua kom muaj teeb meem kev tsim kho los ntawm kev tawm tsam ntau dua. Ib qho ntxiv, HPMC tuaj yeem txhim kho lub zog sib raug zoo ntawm cov ntaub ntawv thiab ua kom muaj kev siv sijhawm ntev thiab ua tau ruaj khov.
3.2 Ncua Sijhawm Qhib Sijhawm
HPMC tuaj yeem txuas ntxiv lub sijhawm qhib ntawm xis mas, muab cov neeg ua haujlwm tsim kho, uas yog qhov tseem ceeb rau kev tsim kho loj thiab cov chaw tsim khoom nyuaj. Nws tuaj yeem xyuas kom meej tias cov khoom tsis nyuaj dhau ua ntej kom qhuav thiab txo cov kev ua yuam kev.
3.3 txhim kho cov dej tsis kam thiab huab cua tsis kam
HPMC tuaj yeem ua kom dej ua ke hauv cov ntaub ntawv hauv tsev, xyuas kom cov noo noo yuav tsis ploj sai sai thaum tsim los ntawm kev sib tw ntawm kev ya raws. Ib qho ntxiv, nws tseem tuaj yeem txhim kho cov nplooj hlav tsim hauv tsev thiab txhim kho lawv cov huab cua tsis kam, uas yog qhov tshwj xeeb hauv huab cua txias.
3.4 Kev tiv thaiv ib puag ncig
Raws li cov khoom siv polymer, daim ntawv thov ntawm HPMC yuav tsis ua rau ib puag ncig. Nws yog biodegradable, yog li nws tau raws li cov cai tam sim no rau kev tiv thaiv ib puag ncig thiab kev txhim kho kom ruaj khov thaum siv.
4. Yav dhau los Kev txhim kho HPMC hauv kev tsim kho
Raws li kev tsim kho kev lag luam qhov kev thov rau cov ntaub ntawv ua tau zoo txuas ntxiv ntxiv, HPMC yuav siv tau ntau dua hauv kev tsim kho. Nyob rau hauv lub neej yav tom ntej, nrog kev txhim kho kev txuas ntxiv ntawm HPMC ntau lawm kev tsim kho thev naus laus zis, xws li cov ntaub ntawv cog qoob loo hauv tsev, thiab cov khoom muaj tswv yim. Nyob rau tib lub sijhawm, nrog kev txhim kho ntawm kev tiv thaiv ib puag ncig, HPMC yuav ua rau nws cov khoom siv ib puag ncig thiab ua ib qho tseem ceeb hauv kev tsim kho.
Raws li kev ua haujlwm ntxiv,HydroxyPropyyl MethylcelluloseMuaj ntau cov kev siv tseem ceeb hauv kev tsim kho. Nws cov dej ua haujlwm zoo, thickening thiab zaj duab xis-tsim cov khoom lag luam, cov txheej txheem waterproof, mortars thiab lwm yam. Nrog kev txhim kho ntawm kev tsim kho cov kev tsim kho rau cov khoom ua tau zoo, thiab nws qhov tseem ceeb hauv kev tsim kho kev tsim kho hauv yav tom ntej tsis tuaj yeem xav tsis thoob.
Lub Sijhawm Post: Feb-24-2025