Cov nplaum ACIII (C2) rau cov vuas pobzeb yogcov nplaum uas ua los ntawm cov cementitious, polymer-modifiedtsim los rau cov vuas ceramic thiab porcelain ua haujlwm siab, cov vuas loj, thiab cov ntawv thov hnyav. Cov nplaum no xav taukev ua haujlwm zoo dua, kev khaws dej, lub sijhawm qhib, thiab lub zog lokom ua tau raws li cov qauv kev tsim kho niaj hnub.
Cellulose ethers - feem ntauHPMC (Hydroxypropyl Methyl Cellulose), HEC (Hydroxyethyl Cellulose), thiabCMC (Carboxymethyl Cellulose)—ua lub luag haujlwm tseem ceeb hauv kev ua tiav cov khoom no. Kev nkag siab txog lawv txoj haujlwm hauv ACIII (C2) cov nplaum yog qhov tseem ceeb raukev tsim khoom, kev ua haujlwm ntawm daim ntawv thov, thiab kev ua tau zoo mus sij hawm ntev.
Tsab xov xwm no tshawb nrhiav vim li cas cellulose ethers tseem ceeb hauv ACIII (C2) cov nplaum pobzeb, suav nrog lawvcov khoom siv tshuaj lom neeg, cov txheej txheem ua haujlwm, cov qauv xaiv, cov ntawv thov kev lag luam, thiab cov qauv kev ua lag luam, muab ib daim ntawv qhia ua tiav rau cov chaw tsim khoom, cov neeg tsim qauv, thiab cov kws tshaj lij kev tsim kho.
1. Lub Luag Haujlwm ntawm Cellulose Ether hauv Cov Nplaum Pobzeb
1.1 Kev Hloov Kho Rheology
- Cellulose ethers ua haujlwm licov khoom hloov pauv viscosity, muab cov kua dej ib nrab uas tiv thaiv kev sagging thiab ua kom du.
- Kev ua haujlwm zoo ntawm rheology pab tautswj kev poob qis thiab kev sib txuas, tshwj xeeb tshaj yog rau cov nto ntsug thiab cov vuas loj.
1.2 Kev Khaws Dej
- Kev tswj cov dej noo hauv cov nplaum yog qhov tseem ceeb raukev ywg dej cement kom zoo.
- Cellulose ethers tiv thaiv kom qhuav ua ntej, txo qhov ntsws, thiab txhim kho qhov zoo ntawm cov khoom.lub zog sib txuas rau cov substrates.
1.3 Lub Sijhawm Qhib Ntxiv
- Cov nplaum ACIII (C2) yuav tsum muaj sijhawm txaus rau kev kho cov vuas thaum lub sijhawm teeb tsa.
- Cellulose ethers ua rau lub sijhawm qhib ntev dua, muab cov neeg teeb tsakev ywj pheej thiab kev ua haujlwm tau zoonyob rau ntawm qhov chaw.
2. Cov Qauv Tshuaj thiab Kev Ua Haujlwm ntawm Cellulose Ether
2.1 HPMC (Hydroxypropyl Methyl Cellulose)
- Cov cellulose derivative uas tsis yog ionic
- Nws muaj peev xwm tswj tau qhov viscosity thiab khaws dej zoo heev
- Haum raucov mortars thiab cov nplaum ua haujlwm siab
2.2 HEC (Hydroxyethyl Cellulose)
- Tsis yog-ionic, muaj peev xwm ua kom tuab siab
- Txhim khokev ua haujlwm tau zoo thiab daim ntawv thov du
- Sib xws nrog cov cement, cov khoom sau, thiab cov polymers
2.3 CMC (Carboxymethyl Cellulose)
- Anionic cellulose ether
- Ua kom cov slurry ruaj khov thiab txhim khoadhesion thiab dispersion ntawm cov fillers
3. Cov txiaj ntsig ntawm kev siv Cellulose Ether hauv ACIII (C2) Cov nplaum pobzeb
3.1 Kev Ua Haujlwm Zoo Dua
- Xyuas kom du thiab nplaum txheej sib xws
- Tiv thaiv kev sib cais ntawm cov xuab zeb, cement, thiab polymers
3.2 Kev Khaws Dej Zoo Dua
- Kev txhawb nqakev ua kom cov cement hydration tiav, zam cov chaw tsis muaj zog
- Ua kom ruaj khov thiab txo qhov tawg
3.3 Lub Sijhawm Qhib Ntev
- Tseem ceeb rau cov vuas loj lossis cov qauv nyuaj
- Txhim kho qhov ua haujlwm ntawm tus neeg teeb tsa yam tsis muaj kev cuam tshuam rau kev nplaum
3.4 Lub zog nplaum zoo tshaj plaws
- Xyuas kom cov vuas sib txuas zoo raucov pob zeb ua vaj tse, gypsum, lossis cov chaw uas twb muaj lawm
- Txo qhov kev pheej hmoo ntawm cov vuas pobzeb tawg lossis qhov chaw tsis ua haujlwm
3.5 Kev Ua Tiav Nto Zoo Sib Xws
- Tiv thaiv cov cim trowel thiab cov txheej nplaum tsis sib npaug
- Txhim kho qhov zoo nkauj thiab kev ua haujlwm zoo ntawm cov vuas vov
4. Tej Yam Uas Cuam Tshuam Rau Kev Ua Tau Zoo
- Qib Viscosity ntawm Cellulose Ether- Cov viscosity siab dua ua rau cov dej khaws cia zoo dua; viscosity qis dua ua rau kev siv yooj yim dua.
- Tus Nqi Tshuaj- Yog tsawg dhau ces yuav ua rau kev ua haujlwm tsis zoo; ntau dhau yuav ua rau tuab dhau lossis qeeb qeeb.
- Kev Sib Haum Xeeb nrog Cov Polymers– Cov nplaum ACIII (C2) feem ntau muaj xws li PVA lossis SBR polymers.
- Tej yam kev mob ib puag ncig- Kub, av noo, thiab qhov porosity ntawm cov substrate cuam tshuam rau kev ua haujlwm.
5. Cov Kev Siv Hauv Kev Lag Luam thiab Cov Kev Kawm Txog Cov Ntaub Ntawv
5.1 Kev Teeb Tsa Pobzeb Loj
- Cellulose ether ua kom ntseeg tau tiaskev nplaum nplaum sib xws, tiv thaiv kev sagging, thiab txhim kho kev sib npaug.
5.2 Cov Vuas Phab Ntsa Sab Nraud
- Txhim khokev khaws cia dej thiab kev sib txuas, tseem ceeb rau kev ruaj khov sab nraum zoov.
5.3 Cov Mortars Nyias
- Tiv thaiv kom tsis txhob ntsws thiab tswj tau qhov tuab sib xws hauv cov kab ke nyias nyias ua haujlwm siab.
5.4 Pem Teb Sov thiab Pem Teb Lag Luam
- Txhim kho kev sib txuas thiab txo qhov kev pheej hmoo ntawm kev tawg hauv qab kev ntxhov siab thermal.
6. Tej Yam Yuam Kev Uas Feem Ntau Ua Thiab Yuav Ua Li Cas Thiaj Tsis Txhob Ua Li Ntawd
- Kev siv cellulose ether tsawg dhau→ txo qhov ua haujlwm tau yooj yim thiab lub sijhawm qhib
- Kev noj tshuaj ntau dhau→ Ua rau viscosity ntau ntxiv, ua rau nyuaj rau kev troweling
- Tsis quav ntsej txog kev xaiv qib viscosity→ Kev ua haujlwm tsis sib xws hauv huab cua txias lossis kub
- Cov khoom sib xyaw polymer tsis sib xws→ ua rau muaj kev sib cais ntawm theem lossis kev sib txuas tsis sib luag
7. Cov Qauv Lag Luam thiab Kev Pom Zoo Yav Tom Ntej
- Kev thov kom nce ntxiv raucov nplaum rau pobzeb uas zoo rau ib puag ncig, ua haujlwm tau zoo
- Kev tsim kho tshiab hauvcov cellulose ethers uas tau tawg ua ntej, kho saum npoo avrau kev siv hauv kev lag luam yooj yim dua
- Kev loj hlob ntawmcov vuas loj thiab sib duaua rau muaj kev xav tau rau kev txhim kho rheology thiab kev khaws cia dej
- Kev koom ua ke ntawm cellulose ethers nrogcov txheej txheem polymer siab heevrau kev ua tau zoo dua ntawm ACIII (C2) nplaum
8. Cov Lus Qhia rau Cov Chaw Tsim Khoom thiab Cov Neeg Tsim Qauv
- Xaivhom cellulose etherraws li kev khaws cia dej, viscosity, thiab kev sib xws
- Txhim khokoob tshuajraws li cov nplaum tuab thiab cov vuas loj
- Kev sim nyob rau hauvtej yam kev mob ntawm ib puag ncig hauv ntiaj teb tiag tiag
- Sivcov hmoov zoo, kho saum npookom txo qhov clumping thiab txhim kho kev sib kis
- Xav txogcov cellulose ethers uas zoo rau ib puag ncig thiab lwj taurau cov khoom lag luam uas ruaj khov
Cov cellulose ethers yogtseem ceeb rau ACIII (C2) cov nplaum pobzebvim lawv:
- Txhim kho kev ua haujlwm thiab rheology
- Txhim kho kev khaws dej kom zoo rau kev ua kom tiav ntawm cov dej noo
- Ntev lub sijhawm qhib rau kev yooj yim ntawm kev teeb tsa
- Ua kom muaj zog lo rau ntau yam substrates
- Xyuas kom meej tias qhov chaw du thiab kev tshaj lij tiav
Los ntawm kev nkag siab txoghom, cov yam ntxwv ua haujlwm, thiab kev siv kom raugntawm cellulose ethers, cov chaw tsim khoom thiab cov neeg tsim qauv tuaj yeem tsimcov nplaum rau pobzeb ua haujlwm tau zoo, ruaj khov, thiab zoo rau ib puag ncigtsim nyog rau kev xav tau kev tsim kho niaj hnub.
Lub sijhawm tshaj tawm: Tsib Hlis-19-2026