Self-leveling mortars tau dhau los ua neeg nyiam nyob rau hauv kev tsim kho kev lag luam vim lawv qhov yooj yim ntawm kev siv, cov khoom ntws zoo heev, thiab muaj peev xwm muab qhov chaw du, tiaj tus.Ntawm ntau cov khoom xyaw uas siv rau hauv tus kheej-leveling mortars, hydroxypropyl methylcellulose (HPMC) plays lub luag haujlwm tseem ceeb hauv kev tswj viscosity.
Self-leveling mortar muaj lub koob npe nrov nyob rau hauv kev tsim kho kev lag luam rau nws lub peev xwm los tsim ib tug du, tiaj tus nto nrog tsawg zog.Cov ntaub ntawv no muab cov txiaj ntsig tseem ceeb ntawm cov txheej txheem kev sib tw, xws li kev yooj yim ntawm daim ntawv thov, ziab sai thiab sib haum nrog ntau hom substrates.Tus yuam sij rau kev ua tau zoo ntawm tus kheej-leveling mortar yog kev tswj xyuas meej ntawm cov khoom siv rheological, tshwj xeeb tshaj yog cov viscosity, uas cuam tshuam ncaj qha rau cov dej ntws thiab cov khoom leveling.
1.Lub luag hauj lwm ntawm HPMC nyob rau hauv tus kheej-leveling mortar:
Hydroxypropylmethylcellulose (HPMC) yog ib qho cellulose ether feem ntau siv los ua cov thickener thiab rheology hloov kho hauv cov khoom siv.Nyob rau hauv tus kheej-leveling mortars, HPMC ua haujlwm ntau yam, suav nrog kev tuav dej, txhim kho kev ua haujlwm, thiab tswj viscosity.Tsawg viscosity HPMC yog qhov tseem ceeb tshwj xeeb vim nws muab cov dej ntws zoo dua thiab qib siab thaum tswj xyuas cov dej kom txaus thiab cov khoom siv kho tshuab.
2. Qhov tseem ceeb ntawm cov viscosity tsawg HPMC:
Txhim khu kev ua tau zoo: Tsis tshua muaj viscosity HPMC pab txhawb kev khiav ntawm tus kheej-leveling mortars, tso cai rau lawv kom sib npaug ntawm qhov chaw thiab ua kom muaj qhov khoob thiab qhov tsis xws luag.Qhov no ua rau kom smoother, zoo ib yam ua tiav, txo qhov xav tau ntawm kev npaj ntxiv.
Txhim kho kev ua haujlwm zoo: Cov tshuaj tiv thaiv tus kheej uas muaj cov viscosity tsawg HPMC yooj yim rau kev sib xyaw, twj thiab nchuav, txhim kho kev ua haujlwm thiab txo cov kev xav tau ntawm kev ua haujlwm.Cov neeg tsim khoom tuaj yeem ua tiav cov khoom tsim tau ntau dua thiab ua haujlwm tau zoo thaum lub sijhawm ua ntawv thov.
Txo qhov kev pheej hmoo ntawm kev sib cais: Cov viscosity siab additives yuav ua rau muaj teeb meem sib cais, uas tsis sib npaug ntawm cov khoom sib xyaw hauv cov khoom sib tov.Tsawg viscosity HPMC pab tiv thaiv kev sib cais, ua kom muaj kev sib luag thiab sib xws hauv cov khoom kawg.
Txo cov cua nkag: Viscosity uas siab dhau tuaj yeem ntxiab cua npuas hauv cov tshuaj khib matrix, cuam tshuam lub zog thiab kav ntev ntawm cov khoom.Los ntawm kev siv cov viscosity tsawg HPMC, qhov kev pheej hmoo ntawm huab cua nkag tau tsawg, ua rau muaj qhov ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom.
Compatibility nrog Pumping Equipment: Self-leveling mortars feem ntau yuav tsum tau siv rau kev siv loj.Cov mis nyuj uas tsis muaj viscosity HPMC yog sib xws nrog cov khoom siv twj tso kua mis kom muaj txiaj ntsig zoo, kev xa khoom tas mus li yam tsis muaj clogging.
3. Yam cuam tshuam rau viscosity:
Ntau yam tuaj yeem cuam tshuam rau viscosity ntawm tus kheej-leveling mortar, suav nrog:
Hom polymer thiab molecular hnyav: Hom thiab molecular hnyav ntawm HPMC muaj kev cuam tshuam loj rau viscosity.Cov viscosity qis dua molecular polymers yuav ua rau muaj viscosity qis dua, thaum cov khoom hnyav dua molecular polymers yuav ua rau muaj viscosity.
Cov ntsiab lus Polymer: Qhov concentration ntawm HPMC nyob rau hauv lub mortar formulation cuam tshuam lub viscosity, nrog ntau dua concentrations feem ntau ua rau siab viscosity.
Particle loj thiab kev faib tawm: Qhov loj me me thiab kev faib tawm ntawm cov khoom siv (xws li cement thiab aggregate) cuam tshuam rau tus cwj pwm rheological ntawm tus kheej-leveling mortars.Cov khoom me me tuaj yeem pab ua kom cov viscosity nce ntxiv vim qhov nce ntawm thaj chaw thiab kev sib cuam tshuam ntawm kev sib tshuam.
Qhov sib piv ntawm cov dej rau cov ntawv khi: Qhov sib piv ntawm cov dej rau cov khoom siv (xws li HPMC) ncaj qha cuam tshuam rau cov dej ntws thiab viscosity ntawm tus kheej-leveling mortar.Kho cov dej mus rau binder piv tso cai rau kev tswj cov viscosity thiab ntws yam ntxwv.
Cov txheej txheem sib xyaw: Cov txheej txheem sib xyaw kom zoo, suav nrog lub sijhawm sib xyaw thiab nrawm, tuaj yeem cuam tshuam rau kev tawg ntawm HPMC hauv cov tshuaj khib nyiab, yog li cuam tshuam rau viscosity thiab kev ua haujlwm tag nrho.
4. Ua kom muaj viscosity tsawg HPMC formulation:
Kom tau txais cov viscosity tsawg HPMC formulations rau tus kheej-leveling mortars, ob peb lub tswv yim yuav ua hauj lwm:
Xaiv txoj cai HPMC Qib: Cov neeg tsim khoom tuaj yeem xaiv HPMC qib nrog qis molecular luj thiab customized viscosity profiles kom tau raws li cov ntawv thov tshwj xeeb.
Recipe Optimization: Kev kho kom zoo ntawm cov khoom xyaw ntawm tus kheej-leveling mortar, nrog rau cov hom thiab feem ntau ntawm cov khoom xyaw, tuaj yeem pab ua tiav qhov xav tau viscosity ntau yam.
Ntxiv cov dispersants: Qhov sib ntxiv ntawm cov dispersants los yog defoamers tuaj yeem txhim kho qhov tawg ntawm HPMC hauv cov tshuaj khib sib tov, txo cov viscosity thiab txo cov cua nkag.
Kev siv cov shear sib xyaw ua ke: Cov cuab yeej sib xyaw ua ke siab tuaj yeem txhawb nqa qhov sib txawv ntawm HPMC thiab lwm yam khoom siv ntxiv, txhim kho fluidity, thiab txo cov viscosity.
Kev tswj qhov kub thiab txias: Kub cuam tshuam rau cov khoom rheological ntawm tus kheej-leveling mortar.Kev tswj qhov kub thiab txias thaum sib tov thiab daim ntawv thov pab ua kom tiav qhov xav tau viscosity thiab cov yam ntxwv ntws.
5. Cov kev xav yav tom ntej thiab kev cia siab:
Txoj kev txhim kho ntawm cov viscosity tsawg HPMC formulations rau tus kheej-leveling mortars yuav tsum tau mus ntxiv raws li manufacturers siv zog los txhim kho kev ua tau zoo, sustainability thiab neeg siv-phooj ywg.Cov kev xav yav tom ntej yuav suav nrog:
Kev sib koom ua ke ntawm cov khoom xyaw kom ruaj khov: Kev tsom mus rau kev ruaj ntseg tuaj yeem ua rau kev siv cov khoom siv bio-based lossis cov khoom siv rov ua dua tshiab los ua lwm txoj hauv kev siv tshuaj ntxiv, suav nrog HPMC.
Advanced Rheology Modifiers: Kev tshawb fawb txuas ntxiv mus rau cov tshiab rheology modifiers thiab additives tuaj yeem ua rau kev txhim kho cov qauv tsim tau zoo dua kom ua tiav cov viscosities qis thiab txhim kho cov khoom ntws.
Kev ua qauv thiab simulation: Kev nce qib hauv kev ua qauv digital thiab simulation thev naus laus zis tuaj yeem pab txhim kho kev ua kom zoo ntawm tus kheej-leveling mortar formulations, tso cai rau kev tswj cov viscosity thiab kev ua tau zoo dua.
Cov kev daws teeb meem tshwj xeeb rau cov ntawv thov tshwj xeeb: Cov neeg tsim khoom tuaj yeem muab cov kev daws teeb meem tshwj xeeb rau cov ntawv thov tshwj xeeb, xws li kev teeb tsa ceev ceev rau cov phiaj xwm lub sij hawm-rhiab heev los yog cov hmoov av qis rau hauv ib puag ncig sab hauv.
Tsawg viscosity HPMC plays lub luag haujlwm tseem ceeb hauv kev ua haujlwm ntawm tus kheej-leveling mortars, txhim kho kev khiav, ua haujlwm thiab sib xws.Los ntawm kev tswj cov viscosity zoo, cov tuam txhab tsim khoom tuaj yeem tsim cov mortars nrog du, tiaj tus nrog kev siv zog tsawg thiab kev ua haujlwm siab tshaj plaws.Raws li kev tsim kho kev lag luam txuas ntxiv mus, kev txhim kho ntawm cov viscosity HPMC cov txheej txheem tseem ceeb heev kom ua tau raws li qhov xav tau loj zuj zus ntxiv rau cov kev daws teeb meem zoo, cov neeg siv khoom zoo.
Lub sij hawm xa tuaj: Feb-28-2024