Kev lag luam kev tsim kho vaj tse niaj hnub txhim kho mus rau kev ua haujlwm zoo dua, txuag hluav taws xob, thiab cov khoom siv ua vaj tse ruaj khov. Cov khoom siv cement ib txwm muaj feem ntau raug kev txwv xws li:

• Kev ywj pheej tsawg
• Kev nplaum tsis zoo
• Kev tawg yooj yim siab
• Teeb meem tawg
• Tsis muaj zog tiv thaiv dej

Yuav kom kov yeej cov teeb meem no, cov qauv mortar qhuav niaj hnub no siv cov khoom siv polymer ntxiv ntau zuj zus. Ntawm lawv,Hmoov Polymer uas yaj tau dua (RDP)tau dhau los ua ib qho ntawm cov ntaub ntawv tseem ceeb tshaj plaws.

RDP yog ib qho hmoov polymer uas tau ua tiav tshwj xeeb uas tuaj yeem tawg dua hauv dej thiab rov ua dua ib qho polymer emulsion ruaj khov. Thaum ntxiv rau hauv cov kab ke cement, RDP tsim ib zaj duab xis polymer uas yooj ywm uas txhim kho ntau yam:

• Lub zog nplaum
• Kev ywj pheej
• Kev tiv thaiv tawg
• Tiv thaiv dej
• Kev ruaj khov

Niaj hnub no, RDP siv dav hauv:

• Cov nplaum rau pobzeb
• Cov txheej txheem ua tiav rwb thaiv tsev sab nraud (EIFS)
• Cov khoom siv pleev rau phab ntsa
• Cov tshuaj sib xyaw ua ke
• Kho cov tshuaj khib
• Cov av nplaum uas tsis muaj dej
• Cov ntaub ntawv ua los ntawm gypsum

1. Nkag Siab Txog Cov Hmoov Polymer Uas Yuav Yaj Tau (RDP)

1.1 RDP Yog Dab Tsi?

Hmoov Polymer Redispersible yog cov hmoov uas ntws dawb uas tsim los ntawm kev tsuag kom qhuav polymer emulsions.

Cov txheej txheem tsim khoom feem ntau suav nrog:

1. Kev npaj cov polymer emulsion
2. Tshuaj tsuag kom qhuav
3. Kev ntxiv colloid tiv thaiv
4. Kev ruaj khov hmoov

Thaum RDP hmoov kov dej, nws rov faib ua cov polymer me me thiab hloov pauv ua emulsion.

Rooj 1: Cov Ntaub Ntawv Tseem Ceeb Txog RDP

2. Cov Tshuaj Lom Zem thiab Cov Qauv ntawm RDP

RDP tsis yog ib yam tshuaj lom neeg xwb. Nws yog ib lub tshuab polymer uas ua los ntawm ntau hom resin sib txawv.

Cov hom polymer feem ntau muaj xws li:

• Vinyl acetate ethylene (VAE)
• Vinyl acetate homopolymer
• Cov polymers acrylic
• Cov polymers styrene-acrylic

Rooj 2: Cov Hom Polymer RDP Feem Ntau

3. RDP Ua Haujlwm Li Cas Hauv Cov Khoom Siv Uas Ua Los Ntawm Cement?

3.1 Lub Tswv Yim Rov Qab Faib Dua

Thaum RDP ntxiv rau hauv mortar:

Kauj Ruam 1:

Cov hmoov av sib xyaw ua ke hauv cov dej sib xyaw.

Kauj Ruam 2:

Cov khoom polymer ua rau sib npaug zos.

Kauj Ruam 3:

Thaum lub sijhawm ziab, cov khoom polymer sib xyaw ua ke.

Kauj Ruam 4:

Ib zaj duab xis polymer txuas ntxiv tsim sab hauv cov qauv mortar.

3.2 Kev Tsim Cov Yeeb Yaj Kiab Polymer

Cov zaj duab xis polymer tsim ib lub network ywj pheej ntawm:

• Cov khoom me me ntawm cov cement
• Cov khoom sib xyaw ua ke
• Cov khoom ntim

Lub network no txhim kho qhov kev ua tau zoo ntawm cov mortar.

4. Cov Haujlwm Tseem Ceeb ntawm RDP hauv Cov Khoom Siv Tsim Kho

4.1 Txhim Kho Lub Zog Lo

Ib qho ntawm cov haujlwm tseem ceeb tshaj plaws ntawm RDP yog kev txhim kho kev ua haujlwm ntawm kev sib txuas.

RDP txhim kho:

• Kev nplaum rau cov pob zeb ua vaj tse
• Lub zog sib txuas nrog cov vuas
• Kev ruaj khov ntawm qhov interface

Rooj 3: Kev Txhim Kho Kev Sib Txuas Los Ntawm RDP

4.2 Kev Ua Kom Yooj Yim Dua

Cov khoom siv cement yeej tawg yooj yim. Kev hloov pauv ntawm qhov kub thiab kev txav ntawm lub tsev tuaj yeem ua rau muaj kev ntxhov siab.

RDP muab elasticity los ntawm kev tsim kom muaj lub network polymer yooj ywm.

Cov txiaj ntsig:

• Txo qhov tawg
• Kev ua kom zoo dua qub
• Kev ruaj khov zoo dua

4.3 Txhim Kho Kev Tiv Thaiv Kab Ntsig

Cov kab nrib pleb tshwm sim vim:

• Kev ntsws
• Kev hloov pauv kub
• Kev ntxhov siab ntawm lub cev

RDP pab nqus kev ntxhov siab thiab tiv thaiv kev nthuav dav ntawm qhov tawg.

Rooj 4: Cov txiaj ntsig ntawm kev tiv thaiv kev tawg

4.4 Txhim Kho Kev Tiv Thaiv Dej

RDP txo cov dej nkag los ntawm kev txhim kho cov mortar ceev thiab tsim cov yeeb yaj kiab hydrophobic polymer.

Cov txiaj ntsig:

• Kev nqus dej tsawg dua
• Kev tiv thaiv huab cua zoo dua
• Kev ruaj khov zoo dua

5. Cov Kev Siv Tseem Ceeb ntawm RDP

5.1 RDP hauv Cov Nplaum Pobzeb

Cov nplaum rau pobzeb yuav tsum muaj:

• Kev sib txuas ruaj khov
• Kev ywj pheej
• Kev tiv thaiv plam
• Lub sijhawm qhib ntev

RDP txhim kho:

• Lub zog nplaum
• Muaj peev xwm hloov pauv tau
• Tiv thaiv dej

Rooj 5: RDP hauv Cov Nplaum Pobzeb

5.2 RDP hauv EIFS thiab Thermal Insulation Mortar

Cov txheej txheem rwb thaiv tsev sab nraud xav tau kev ruaj khov zoo heev.

RDP txhim kho:

• Kev sib txuas ntawm cov ntawv rwb thaiv tsev
• Kev tiv thaiv tawg
• Kev tiv thaiv huab cua

Rooj 6: Lub Luag Haujlwm RDP hauv EIFS

5.3RDPhauv Wall Putty

Cov khoom siv rau phab ntsa yuav tsum muaj:

• Nto du
• Kev nplaum zoo heev
• Kev tiv thaiv kab nrib pleb

RDP txhim kho:

• Lub zog ntawm qhov chaw
• Tiv thaiv dej
• Kev ruaj khov

5.4 RDP hauv Self-Leveling Mortar

Cov tshuaj sib xyaw ua ke yuav tsum muaj:

• Kev ntws zoo
• Kev ruaj khov ntawm qhov chaw
• Lub zog kho tshuab

RDP muab cov hauv qab no:

• Kev sib koom ua ke zoo dua
• Txo qhov ntsws
• Kev ywj pheej zoo dua

6. RDP Piv nrog Cov Khoom Siv Polymer Ib Txwm Muaj

Rooj 7: RDP vs Liquid Polymer Emulsion

7. Kev Ntsuas Zoo ntawm RDP

RDP zoo yuav tsum tau kuaj xyuas nruj heev.

Cov txheej txheem tseem ceeb muaj xws li:

• Qhov tsos
• Cov ntsiab lus ntawm tshauv
• Cov dej noo
• Qhov kub tsawg kawg nkaus ntawm zaj duab xis tsim (MFFT)
• Kev tawg dua tshiab
• Kev ua tau zoo ntawm kev nplaum

Rooj 8: Kev Ntsuas Kev Tswj Xyuas Zoo ntawm RDP

COV LUS NUG UAS FAQ (Ntu 1)

Q1: Redispersible Polymer Hmoov yog dab tsi?

RDP yog cov hmoov polymer qhuav uas tuaj yeem tawg dua hauv dej thiab txhim kho kev ua tau zoo ntawm cov khoom siv cement.

Q2: RDP feem ntau siv rau dab tsi?

RDP feem ntau yog siv rau hauv:

• Cov nplaum rau pobzeb
• EIFS mortar
• Cov khoom siv pleev rau phab ntsa
• Kho cov tshuaj nplaum
• Cov tshuaj sib xyaw ua ke

Q3: Vim li cas RDP thiaj ntxiv rau hauv mortar?

RDP txhim kho:

• Kev nplaum
• Kev ywj pheej
• Kev tiv thaiv tawg
• Tiv thaiv dej

Q4: Qhov txawv ntawm RDP thiab cov hmoov polymer zoo li cas?

RDP yog tsim tshwj xeeb los rov ua kom tawg hauv dej thiab tsim ib zaj duab xis polymer tom qab ziab.

Q5: Cov mortar puas ua haujlwm tau yam tsis muaj RDP?

Yog, tab sis kev ua tau zoo feem ntau yuav qis dua, tshwj xeeb tshaj yog hais txog kev ywj pheej, kev nplaum, thiab kev ruaj khov.

Redispersible Polymer Hmoov (RDP) yog ib qho tseem ceeb ua haujlwm additive uas hloov cov ntaub ntawv raws li cement ib txwm mus rau hauv cov txheej txheem kev tsim kho ua haujlwm siab.

Los ntawm kev tsim lub network polymer uas yooj ywm, RDP txhim kho:

• Lub zog ntawm kev sib txuas
• Kev tiv thaiv tawg
• Tiv thaiv dej
• Kev ruaj khov mus sij hawm ntev

Nws qhov tseem ceeb txuas ntxiv mus zuj zus thaum cov ntaub ntawv tsim kho txav mus rau kev siv hluav taws xob zoo, kev ruaj khov, thiab cov qauv kev ua tau zoo dua.