Cov hmoov roj hmab uas yaj tau dua (RDP) yog cov khoom siv tseem ceeb hauv kev tsim kho uas siv dav hauv cov nplaum pobzeb. Nws tsis tsuas yog txhim kho ntau yam khoom ntawm cov nplaum pobzeb xwb, tab sis kuj daws qee qhov tsis zoo ntawm cov khoom siv sib txuas ib txwm muaj.
1. Txhim kho kev nplaum
Ib qho ntawm cov haujlwm tseem ceeb ntawm cov hmoov latex uas tawg tau yog los txhim kho lub zog sib txuas ntawm cov nplais pobzeb. Cov nplaum cement ib txwm muaj tsim cov khoom tawv tom qab hydrated, muab qee lub zog sib txuas. Txawm li cas los xij, qhov tawv ntawm cov khoom tawv no txwv tsis pub lo. Cov hmoov latex uas tawg tau rov tawg hauv dej los tsim cov khoom latex, uas sau cov qhov thiab cov kab nrib pleb ntawm cov khoom siv cement thiab tsim cov zaj duab xis nplaum tas mus li. Zaj duab xis no tsis yog tsuas yog ua rau thaj chaw sib cuag ntau ntxiv xwb, tab sis kuj muab qee qib ntawm kev ywj pheej rau cov nplaum, yog li txhim kho lub zog sib txuas. Qhov kev txhim kho no tseem ceeb heev rau kev teeb tsa cov pobzeb ceramic uas xav tau lub zog sib txuas siab.
2. Txhim kho qhov yooj ywm thiab kev tawg tsis kam
Cov hmoov latex uas tawg tau dua tuaj yeem ua rau cov nplaum pobzeb yooj ywm dua thiab tiv taus kev tawg. Hauv cov nplaum, qhov muaj RDP ua rau cov txheej nplaum qhuav muaj qee qhov elasticity, yog li nws tuaj yeem tiv taus qhov deformations me me los ntawm kev hloov pauv kub, kev hloov pauv ntawm cov khoom siv lossis kev ntxhov siab sab nraud. Qhov kev ua tau zoo dua no txo qhov kev pheej hmoo ntawm kev tawg lossis delamination, tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov pobzeb loj lossis qhov twg cov pobzeb raug tso rau hauv thaj chaw muaj kev ntxhov siab siab.
3. Txhim kho kev tiv thaiv dej
Kev tiv thaiv dej yog qhov tseem ceeb rau kev ua haujlwm ntev ntawm cov nplaum pobzeb. Cov hmoov latex uas yaj tau zoo tiv thaiv kev nkag mus ntawm dej los ntawm kev tsim cov polymer network ntom ntom. Qhov no tsis yog tsuas yog txhim kho kev tiv thaiv dej ntawm cov nplaum xwb, tab sis kuj txhim kho nws lub peev xwm los tiv taus cov voj voog khov-yaj, ua rau cov nplaum pobzeb tuaj yeem lo rau zoo thiab ruaj khov hauv cov chaw noo noo.
4. Txhim kho kev tsim kho thiab lub sijhawm qhib
Cov hmoov latex uas yaj tau dua kuj tseem tuaj yeem txhim kho kev ua haujlwm ntawm cov nplaum pobzeb. Cov nplaum uas ntxiv nrog RDP muaj cov roj nplua nyeem zoo dua thiab ua haujlwm tau zoo dua, ua rau kev tsim kho yooj yim dua. Tib lub sijhawm, nws kuj ncua lub sijhawm qhib ntawm cov nplaum (uas yog, lub sijhawm ua haujlwm uas cov nplaum tuaj yeem lo rau ntawm pobzeb tom qab siv). Qhov no muab sijhawm ua haujlwm ntau dua rau cov neeg ua haujlwm hauv kev tsim kho, pab txhim kho kev ua haujlwm zoo thiab zoo ntawm kev tsim kho.
5. Txhim kho kev tiv thaiv huab cua thiab kev ua haujlwm ntev
Kev tiv taus huab cua thiab kev ruaj khov yog cov yam tseem ceeb uas cuam tshuam rau kev ua haujlwm ntev ntawm cov nplaum pobzeb. Cov khoom polymer hauv RDP sib txuas thaum lub sijhawm kho cov nplaum, tsim cov polymer network ruaj khov heev. Cov network no tuaj yeem tiv taus kev cuam tshuam ntawm cov yam ntxwv ib puag ncig xws li ultraviolet rays, thermal aging, acid thiab alkali erosion, yog li txhim kho kev tiv taus huab cua thiab kev ruaj khov ntawm cov nplaum pobzeb thiab ntev nws lub neej kev pabcuam.
6. Txo qhov nqus dej thiab txhim kho kev tiv thaiv kab mob pwm
Cov hmoov latex uas tawg tau dua kuj tseem tuaj yeem txo qhov nqus dej ntawm cov nplaum pobzeb, yog li txo qhov tsis ua haujlwm ntawm cov txheej txheem sib txuas uas tshwm sim los ntawm kev nthuav dav hygroscopic. Tsis tas li ntawd, cov khoom siv hydrophobic polymer ntawm RDP tuaj yeem tiv thaiv kev loj hlob ntawm pwm thiab lwm yam kab mob me me, yog li txhim kho cov khoom tiv taus pwm ntawm cov nplaum pobzeb. Qhov no tseem ceeb heev rau hauv cov chaw noo noo lossis cov av noo siab, xws li chav dej thiab chav ua noj.
7. Hloov kho rau ntau yam khoom siv
Cov hmoov latex uas yaj tau dua ua rau cov nplaum pobzeb hloov tau zoo rau ntau yam khoom siv. Txawm tias nws yog cov vuas vitrified du, cov vuas ceramic uas nqus dej tau zoo, lossis lwm yam khoom siv xws li cement board, gypsum board, thiab lwm yam, cov nplaum uas ntxiv nrog RDP tuaj yeem muab cov khoom sib txuas zoo heev. Qhov no tso cai rau ntau yam kev siv ntawm ntau hom vuas thiab cov khoom siv.
8. Kev tiv thaiv ib puag ncig
Cov ntaub ntawv tsim kho niaj hnub nim no hais txog kev tiv thaiv ib puag ncig. Cov hmoov latex uas tawg tau feem ntau yog ua los ntawm cov khoom siv uas tsis ua rau ib puag ncig puas tsuaj xws li polyvinyl cawv thiab acrylate. Nws tsis muaj cov kuab tshuaj lom neeg thiab cov hlau hnyav thiab ua tau raws li qhov yuav tsum tau ua ntawm cov ntaub ntawv tsim kho ntsuab. Tsis tas li ntawd, RDP tsis tso tawm cov organic compounds (VOC) thaum lub sijhawm tsim kho, txo qhov kev puas tsuaj rau cov neeg ua haujlwm tsim kho thiab ib puag ncig.
Kev siv cov hmoov latex uas tawg tau dua hauv cov nplaum pobzeb ceramic ua rau cov nplaum zoo dua qub, suav nrog kev nplaum, kev ywj pheej, kev tiv thaiv dej, kev tsim kho, kev tiv thaiv huab cua, kev tiv thaiv pwm thiab kev tiv thaiv ib puag ncig. Cov kev txhim kho no tsis yog tsuas yog txhim kho kev tsim kho kom zoo thiab ua tau zoo xwb, tab sis kuj ua rau lub neej ua haujlwm ntawm cov nplaum pobzeb ntev dua, ua rau lawv hloov kho tau rau ntau yam kev siv. Yog li ntawd, RDP nyob hauv txoj haujlwm tseem ceeb hauv cov qauv nplaum pobzeb niaj hnub, muab kev txhawb nqa zoo rau kev txhim kho qhov zoo ntawm cov haujlwm tsim kho.
Lub sijhawm tshaj tawm: Lub Xya Hli-04-2024