Redispersible polymer hmoov (RDP) yog ib hom polymer hmoov siv los ua ib qho tseem ceeb hauv kev tsim cov pobzeb nplaum. Nws yog cov khoom siv ntau yam uas muaj ntau yam kev siv hauv kev tsim kho kev lag luam. Lub luag haujlwm tseem ceeb ntawm RDP hauv pobzeb nplaum yog txhawm rau txhim kho cov nplaum thiab cov khoom siv ntawm cov nplaum.

Kev siv RDP hauv pobzeb nplaum muab ntau yam txiaj ntsig, suav nrog kev txhim kho kev sib raug zoo, kev tiv thaiv dej, kev yooj yim, thiab kev ua haujlwm. Hauv tsab xov xwm no, peb yuav tham txog lub luag haujlwm tseem ceeb ntawm redispersible polymer hmoov hauv pobzeb nplaum.

1. Txhim kho Bond Strength

RDP ua lub luag haujlwm tseem ceeb hauv kev txhim kho lub zog ntawm cov pobzeb nplaum. Thaum sib xyaw nrog cov cement thiab lwm yam khoom ntxiv, RDP tsim cov nplaum nplaum thiab sib xyaw ua ke uas tuaj yeem sib txuas nrog cov substrate. Qhov kev cog lus muaj zog no yog qhov tseem ceeb hauv kev ua kom cov vuas nyob ruaj khov rau hauv lub substrate, txawm tias nyob rau hauv huab cua huab cua xws li ya raws, kub hloov, thiab kev ntxhov siab.

Kev txhim kho daim ntawv cog lus lub zog muab los ntawm RDP yog vim nws lub peev xwm los tsim cov yeeb yaj kiab hloov tau yooj yim thiab elastic. Cov yeeb yaj kiab no tuaj yeem txuas cov qhov khoob thiab cov kab nrib pleb hauv cov substrate, kom ntseeg tau tias cov nplaum nplaum muaj qhov sib txuam nrog cov substrate, ua rau muaj kev sib raug zoo.

2. Txhim khu kev tiv thaiv dej

Lwm lub luag haujlwm tseem ceeb ntawm RDP hauv pobzeb nplaum yog txhawm rau txhim kho dej tsis kam. Cov pobzeb feem ntau yog siv rau hauv qhov chaw raug dej, xws li chav dej, chav ua noj, thiab pas dej da dej. Yog li ntawd, nws yog ib qho tseem ceeb uas cov nplaum siv los kho cov vuas yog dej-resistant.

RDP pab txhim kho cov dej tsis kam ntawm cov nplais nplaum los ntawm kev tsim cov yeeb yaj kiab hydrophobic nyob ib ncig ntawm cov cement hais. Cov yeeb yaj kiab no tiv thaiv dej los ntawm kev nkag mus rau cov nplaum nplaum, kom ntseeg tau tias cov vuas tseem ruaj khov txawm tias nyob hauv cov dej ntub dej. Tsis tas li ntawd, kev txhim kho dej tsis kam muab los ntawm RDP kuj tseem pab tiv thaiv kev loj hlob ntawm pwm thiab mildew.

3. Muab Flexibility

Flexibility yog lwm yam khoom tseem ceeb ntawm cov nplais nplaum. Cov vuas tuaj yeem raug rau ntau yam kev ntxhov siab, xws li kev vibrations, txav, thiab cuam tshuam. Yog li ntawd, nws yog ib qho tseem ceeb uas cov nplaum siv los kho cov vuas tuaj yeem tiv taus cov kev ntxhov siab no yam tsis muaj kev tawg lossis poob nws lub zog.

RDP plays lub luag haujlwm tseem ceeb hauv kev muab kev yooj yim rau cov nplais nplaum. Thaum sib xyaw nrog cov cement thiab lwm yam khoom ntxiv, RDP tsim cov yeeb yaj kiab uas muaj zog thiab hloov tau yooj yim uas tuaj yeem tiv taus ntau yam kev ntxhov siab. Qhov kev hloov pauv no yuav pab kom ntseeg tau tias cov nplaum tuaj yeem nqus cov kev ntxhov siab rau nws yam tsis muaj kev tawg lossis poob nws lub zog.

4. Txhim kho kev ua haujlwm

Kev ua haujlwm ntawm cov nplais nplaum yog ib qho khoom tseem ceeb uas txiav txim siab nws yooj yim ntawm kev siv. Cov nplaum nplaum ua haujlwm tau yooj yim sib tov, sib kis, thiab trowel mus rau lub substrate. Qhov yooj yim ntawm kev siv no pab kom ntseeg tau tias cov vuas raug teeb tsa zoo, txo lub sijhawm thiab kev siv zog xav tau rau kev teeb tsa.

RDP pab txhim kho kev ua haujlwm ntawm cov nplais nplaum los ntawm kev ua cov roj nplaum. Thaum sib xyaw nrog cov cement thiab lwm yam khoom ntxiv, RDP tsim cov kua dej sib xyaw uas tuaj yeem sib kis tau yooj yim thiab troweled mus rau hauv lub substrate. Qhov no fluidity kuj pab xyuas kom meej tias cov nplaum muaj kev sib cuag zoo nrog substrate, ua rau muaj kev sib raug zoo.

5. Ua kom muaj kev sib raug zoo thiab kev sib raug zoo

Thaum kawg, RDP ua lub luag haujlwm tseem ceeb hauv kev ua kom ntseeg tau tias cov nplais nplaum muaj qhov tsim nyog cohesion thiab adhesion zog. Cohesion yog hais txog lub peev xwm ntawm cov nplaum nplaum rau nws tus kheej, thaum adhesion yog hais txog lub peev xwm ntawm cov nplaum lo rau hauv substrate.

RDP pab kom ntseeg tau tias cov nplais nplaum nplaum muaj qhov sib txuam zoo thiab ua kom zoo los ntawm kev tsim cov yeeb yaj kiab zoo heev thiab nplaum. Cov yeeb yaj kiab no tuaj yeem txuas qhov khoob thiab cov kab nrib pleb hauv lub substrate, kom ntseeg tau tias cov nplaum nplaum muaj qhov sib txuam nrog cov substrate. Tsis tas li ntawd, cov khoom sib txuam thiab cov nplaum ntawm RDP zaj duab xis kuj tseem pab kom ntseeg tau tias cov nplaum nplaum muaj kev sib cuag zoo nrog cov vuas, ua rau muaj kev sib raug zoo.