Yuav ua li cas lub luag hauj lwm yog redispersible polymer hmoov ua si nyob rau hauv mortar?

Redispersible polymer hmoov (RPP) plays ob peb lub luag haujlwm tseem ceeb hauv mortar formulations, tshwj xeeb tshaj yog nyob rau hauv cementitious thiab polymer-hloov mortars. Ntawm no yog lub luag haujlwm tseem ceeb uas cov tshuaj polymer respersible ua haujlwm hauv mortar:

1. Txhim kho Adhesion: RPP txhim kho qhov adhesion ntawm mortar rau ntau yam substrates, suav nrog pob zeb, masonry, ntoo, thiab hlau. Qhov no txhim kho adhesion pab tiv thaiv delamination thiab ua kom muaj kev sib raug zoo ntawm cov tshuaj khib thiab cov substrate.
2. Txhim kho Flexibility: RPP imparts yooj rau mortar, ua rau nws tiv taus ntau dua rau kev tawg thiab deformation. Qhov no yog qhov tseem ceeb tshwj xeeb hauv cov ntawv thov uas lub substrate yuav muaj kev txav los yog thermal expansion thiab contraction.
3. Kev tuav dej ntau ntxiv: RPP txhim kho cov dej tuav cov khoom ntawm mortar, tso cai rau lub sijhawm ntev dej ntawm cov ntaub ntawv cementitious. Qhov no ua rau muaj kev ua haujlwm zoo dua, qhib lub sijhawm qhib, thiab txhim kho adhesion, tshwj xeeb tshaj yog nyob rau hauv qhov kub lossis cua txias.
4. Txhim khu kev ua haujlwm: RPP txhim kho kev ua haujlwm thiab sib xws ntawm mortar, ua kom yooj yim rau kev sib xyaw, thov, thiab sib kis. Qhov no tso cai rau kom zoo dua kev pab them nqi thiab ntau daim ntawv thov sib xws, txo qhov kev pheej hmoo ntawm cov voids los yog qhov khoob hauv cov mortar tiav.
5. Txo Shrinkage thiab Cracking: Los ntawm kev txhim kho adhesion, yooj, thiab tuav dej, RPP pab txo qis shrinkage thiab cracking nyob rau hauv mortar. Qhov no yog qhov tshwj xeeb tshaj yog nyob rau hauv daim ntawv thov uas shrinkage tawg tuaj yeem cuam tshuam qhov kev ncaj ncees thiab kav ntev ntawm cov tshuaj khib.
6. Ua kom muaj zog thiab ua haujlwm ntev: Kev siv RPP tuaj yeem txhim kho cov khoom siv dag zog ntawm cov tshuaj khib nyiab, suav nrog lub zog compressive, flexural zog, thiab kev puas tsuaj. Qhov no ua rau muaj kev ruaj khov thiab siv tau ntev ntev, haum rau ntau hom kev tsim kho.
7. Hloov kho Rheology: RPP tuaj yeem hloov kho cov khoom rheological ntawm mortar, suav nrog viscosity, thixotropy, thiab sag resistance. Qhov no tso cai rau kev tswj kom zoo dua ntawm daim ntawv thov thiab kev tso chaw ntawm mortar, tshwj xeeb tshaj yog nyob rau hauv ntsug lossis sab saum toj.
8. Muab Kev Tiv Thaiv Txias-Thaw: Qee hom RPPs yog tsim los txhim kho qhov khov-thaw tiv thaiv ntawm mortar, ua rau nws haum rau siv nyob rau hauv cov huab cua txias los yog ib puag ncig uas khov-thaw cycles tshwm sim.

redispersible polymer hmoov plays lub luag haujlwm tseem ceeb hauv kev txhim kho kev ua tau zoo, ua haujlwm ntev, thiab ntau yam ntawm cov tshuaj mortar formulations, ua rau lawv haum rau ntau hom kev siv, nrog rau cov pobzeb installation, stucco thiab plastering, kho thiab kho, thiab waterproofing.