Cov hmoov latex uas yaj tau dua yog cov hmoov polymer uas tuaj yeem yaj tau dua hauv dej. Nws feem ntau siv ua cov khoom ntxiv rau cov ntaub ntawv siv hauv tsev xws li cov mortars, cov nplaum pobzeb thiab cov grouts. Cov hmoov latex uas yaj tau dua ua haujlwm ua cov khoom sib txuas, muab kev nplaum zoo heev thiab txhim kho cov khoom ntawm cov khoom kawg. Tsab xov xwm no yuav tsom mus rau seb kev siv cov hmoov polymer uas yaj tau dua tuaj yeem txhim kho qhov cuam tshuam thiab kev tiv thaiv kev sib txhuam ntawm cov mortar.
Kev cuam tshuam tsis kam
Kev tiv taus qhov cuam tshuam yog qhov ntsuas ntawm lub peev xwm ntawm cov khoom siv los tiv taus qhov cuam tshuam tam sim ntawd yam tsis muaj kev tawg lossis tawg. Rau cov mortar, kev tiv taus qhov cuam tshuam yog ib qho tseem ceeb, vim tias nws yuav raug ntau yam kev cuam tshuam thaum lub sijhawm tsim kho thiab siv. Mortar yuav tsum muaj zog txaus los tiv taus qhov cuam tshuam yam tsis muaj kev tawg thiab ua rau lub tsev lossis qhov chaw puas tsuaj.
Cov hmoov polymer uas tawg tau dua tshiab ua rau cov mortar tsis kam rau kev cuam tshuam ntau txoj kev. Ua ntej, nws ua rau cov mortar sib koom ua ke zoo dua. Thaum ntxiv rau hauv mortar, cov hmoov polymer uas tawg tau dua tshiab yuav sib npaug thoob plaws hauv qhov sib tov, tsim kom muaj kev sib txuas zoo tab sis yoog tau ntawm cov xuab zeb thiab cov cement. Qhov no ua rau cov mortar sib koom ua ke zoo dua, ua rau nws tiv taus kev tawg thiab tawg thaum raug kev cuam tshuam.
Cov hmoov latex uas tawg tau dua tshiab. Cov khoom me me polymer hauv cov hmoov ua haujlwm ua tus choj ntawm cov pob zeb sib sau ua ke, sau cov qhov sib txawv thiab tsim kom muaj kev sib txuas zoo dua ntawm cov xuab zeb thiab cov cement. Cov khoom siv no muab kev tiv thaiv ntxiv rau kev cuam tshuam, tiv thaiv kev tawg thiab tawg.
Cov hmoov latex uas yaj tau dua ua rau cov mortar yooj ywm thiab ywj dua. Cov polymer me me hauv cov hmoov ua rau cov mortar muaj peev xwm ncab thiab khoov, nqus tau lub zog cuam tshuam yam tsis tawg. Qhov no ua rau cov mortar hloov pauv me ntsis thaum muaj kev nyuaj siab, txo qhov yuav muaj kab nrib pleb.
hnav tsis kam
Kev tiv taus kev sib txhuam yog lwm yam tseem ceeb ntawm cov mortar. Cov mortar feem ntau siv ua cov khoom siv rau saum npoo, txawm tias yog ua kom tiav lossis ua ib daim ntaub hauv qab rau lwm yam tiav xws li pobzeb lossis pob zeb. Hauv cov xwm txheej no, cov mortar yuav tsum ruaj khov thiab tiv taus kev hnav, kev sib txhuam thiab kev yaig.
Cov hmoov polymer uas tawg tau dua kuj tseem tuaj yeem txhim kho qhov kev tiv thaiv kev sib txhuam ntawm cov mortar hauv ntau txoj kev. Ua ntej, nws pab txo qhov kev ntsws ntawm cov mortar. Kev ntsws yog ib qho teeb meem uas tshwm sim nrog cov khoom siv cement, ua rau muaj kev tawg thiab maj mam lwj ntawm qhov chaw. Kev ntxiv cov hmoov polymer uas tawg tau dua txo qhov kev ntsws, ua kom cov mortar khaws nws cov qauv ruaj khov thiab tseem tiv taus kev hnav.
Cov hmoov latex uas yaj tau dua ua rau cov mortar lo rau lub substrate zoo dua. Cov polymer me me hauv cov hmoov no ua rau muaj kev sib txuas zoo nrog lub substrate, tiv thaiv cov mortar kom tsis txhob nqa lossis poob ntawm qhov chaw thaum raug kev sib txhuam. Qhov no ua rau cov mortar ruaj khov dua, ua kom nws lo rau lub substrate thiab tiv taus kev yaig.
Cov hmoov latex uas tawg tau dua ua rau cov mortar yooj ywm thiab ywj pheej dua. Ib yam li kev tiv thaiv kev cuam tshuam, qhov yooj ywm thiab ywj pheej ntawm mortar ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv kev sib txhuam. Cov khoom polymer hauv cov hmoov ua rau cov mortar muaj peev xwm hloov pauv hauv qab kev nyuaj siab thiab nqus tau lub zog hnav yam tsis tawg lossis tawg.
Cov hmoov polymer uas tawg tau dua yog cov khoom siv ntau yam uas tuaj yeem txhim kho kev ua haujlwm ntawm cov mortar. Nws ua rau cov mortars sib koom ua ke, txhawb nqa, yooj ywm thiab elasticity, ua rau nws yog ib qho cuab yeej tseem ceeb rau kev txhim kho kev cuam tshuam thiab kev puas tsuaj.
Los ntawm kev siv cov hmoov polymer uas yaj tau hauv lawv cov mortar, cov neeg ua vaj tse thiab cov neeg cog lus tuaj yeem ua kom lawv cov qauv muaj zog, ruaj khov thiab tiv taus kev hnav thiab rhuav. Qhov no ua rau lub qauv siv tau ntev dua, txo cov nqi kho thiab txhim kho kev nyab xeeb tag nrho.
Zuag qhia tag nrho, kev siv cov hmoov polymer dispersible yog ib qho kev txhim kho zoo rau kev lag luam kev tsim kho, muab ib txoj hauv kev zoo thiab pheej yig los txhim kho kev ua haujlwm ntawm cov mortars thiab xyuas kom meej cov qauv ruaj khov.
Lub sijhawm tshaj tawm: Lub Yim Hli-17-2023