Redispersible latex hmoov (RDP) yog cov khoom siv tseem ceeb hauv tsev ntxiv siv dav hauv cov nplais nplaum. Nws tsis tsuas yog txhim kho ntau yam khoom ntawm pobzeb adhesives, tab sis kuj daws qee qhov kev tsis txaus ntawm cov khoom siv sib xyaw ua ke.
1. Txhim kho adhesion
Ib qho ntawm lub luag haujlwm tseem ceeb ntawm redispersible latex hmoov yog los txhim kho lub zog sib txuas ntawm cov nplais nplaum. Ib txwm siv cov cement-raws li cov nplaum tsim cov khoom tawv tawv tom qab hydration, muab ib qho kev sib khi quab yuam. Txawm li cas los xij, qhov rigidity ntawm cov khoom tawv tawv no txwv cov adhesion. Redispersible latex hmoov yog redispersed nyob rau hauv dej los tsim latex hais, uas sau lub pores thiab tawg ntawm cement-raws li cov ntaub ntawv thiab tsim ib tug nruam nplaum zaj duab xis. Cov yeeb yaj kiab no tsis yog tsuas yog ua rau thaj chaw sib cuag, tab sis kuj muab cov nplaum rau qee qhov kev hloov pauv, yog li txhim kho kev sib raug zoo ntawm lub zog. Qhov kev txhim kho no yog qhov tseem ceeb tshwj xeeb hauv cov pobzeb ceramics uas yuav tsum tau muaj zog heev.
2. Txhim kho yooj thiab tawg kuj
Redispersible latex hmoov tuaj yeem muab cov nplais nplaum ua kom yooj yim dua thiab tawg ua haujlwm. Hauv cov nplaum nplaum, muaj RDP ua rau cov nplaum nplaum qhuav muaj qee yam elasticity, yog li nws tuaj yeem tiv taus me me deformations los ntawm qhov kub thiab txias hloov, substrate deformation los yog lwm yam kev ntxhov siab. Qhov kev ua tau zoo dua no txo qhov kev pheej hmoo ntawm kev tawg lossis delamination, tshwj xeeb tshaj yog nyob rau hauv daim ntawv thov pobzeb loj lossis qhov chaw uas cov vuas raug tso rau hauv qhov chaw muaj kev ntxhov siab.
3. Txhim kho dej tsis kam
Dej tsis kam yog qhov tseem ceeb rau kev ua haujlwm ntev ntawm cov nplais nplaum. Redispersible latex hmoov zoo thaiv cov dej nkag los ntawm kev tsim lub network ntom ntom polymer. Qhov no tsis tsuas yog txhim kho cov dej tsis kam ntawm cov nplaum, tab sis kuj txhim kho nws lub peev xwm los tiv thaiv lub voj voog khov-thaw, tso cai rau cov pobzeb nplaum kom muaj kev sib raug zoo thiab kev ruaj ntseg hauv cov chaw ntub dej.
4. Txhim kho kev tsim kho thiab qhib sijhawm
Redispersible latex hmoov kuj tuaj yeem txhim kho kev tsim kho ntawm cov nplais nplaum. Adhesives ntxiv nrog RDP muaj lubricity zoo dua thiab ua haujlwm tau zoo, ua rau kev tsim kho yooj yim dua. Nyob rau tib lub sijhawm, nws tseem txuas ntxiv lub sijhawm qhib ntawm cov nplaum (uas yog, lub sijhawm zoo uas cov nplaum tuaj yeem lo rau cov nplais tom qab thov). Qhov no muab cov neeg ua haujlwm tsim kho nrog lub sijhawm ua haujlwm ntau dua, pab txhim kho kev tsim kho kom zoo thiab zoo.
5. Txhim kho huab cua tsis kam thiab kav ntev
Huab cua tsis kam thiab kav ntev yog qhov tseem ceeb uas cuam tshuam rau kev ua haujlwm ntev ntawm cov nplais nplaum. Cov khoom siv hluav taws xob hauv RDP cross-links thaum lub sijhawm kho cov nplaum nplaum, tsim kom muaj kev ruaj ntseg polymer network. Lub network no tuaj yeem tiv taus qhov cuam tshuam ntawm ib puag ncig yam xws li ultraviolet rays, thermal aging, acid thiab alkali yaig, yog li txhim kho huab cua tsis kam thiab ua haujlwm ntev ntawm cov nplais nplaum thiab txuas nws lub neej kev pab cuam.
6. Txo cov dej nqus thiab txhim kho mildew kuj
Redispersible latex hmoov kuj tuaj yeem txo qhov nqus dej ntawm cov nplais nplaum, yog li txo qis kev sib txuas txheej tsis ua haujlwm los ntawm hygroscopic expansion. Tsis tas li ntawd, hydrophobic polymer tivthaiv ntawm RDP tuaj yeem cuam tshuam kev loj hlob ntawm pwm thiab lwm yam kab mob, yog li txhim kho cov kab mob mildew-resistant ntawm cov nplais nplaum. Qhov no yog qhov tseem ceeb tshwj xeeb tshaj yog nyob rau hauv qhov chaw ntub dej lossis cov av noo siab, xws li chav dej thiab chav ua noj.
7. Kho kom haum rau ntau hom substrates
Redispersible latex hmoov muab cov pobzeb nplaum zoo zoo multi-substrate adaptability. Txawm hais tias nws yog cov vuas vov vuas zoo nkauj, cov vuas luaj ceramic nrog cov dej nqus dej siab, lossis lwm yam substrates xws li cement board, gypsum board, thiab lwm yam, cov nplaum ntxiv nrog RDP tuaj yeem muab cov khoom sib txuas zoo. Qhov no tso cai rau ntau yam kev siv ntawm ntau hom vuas thiab substrates.
8. Kev tiv thaiv ib puag ncig
Cov khoom siv hauv tsev niaj hnub no nce ntxiv txog kev tiv thaiv ib puag ncig. Redispersible latex hmoov feem ntau yog ua los ntawm ib puag ncig cov ntaub ntawv xws li polyvinyl cawv thiab acrylate. Nws tsis muaj teeb meem cov kuab tshuaj thiab cov hlau hnyav thiab ua tau raws li cov kev cai ntawm cov khoom siv ntsuab. Tsis tas li ntawd, RDP tsis tso tawm cov tshuaj tsis haum tshuaj organic (VOC) thaum lub sijhawm tsim kho, txo qhov kev puas tsuaj rau cov neeg ua haujlwm tsim kho thiab ib puag ncig.
Daim ntawv thov ntawm redispersible latex hmoov nyob rau hauv ceramic pobzeb adhesives zoo heev txhim kho tag nrho cov kev ua tau zoo ntawm cov nplaum, nrog rau adhesion, yooj, dej tsis kam, kev tsim kho, huab cua tsis kam, mildew kuj thiab ib puag ncig tiv thaiv. Cov kev txhim kho no tsis tsuas yog txhim kho kev tsim kho thiab kev ua tau zoo, tab sis kuj txuas ntxiv lub neej kev pab cuam ntawm cov nplais nplaum, tso cai rau lawv hloov mus rau ntau yam ntawm cov ntawv thov scenarios. Yog li ntawd, RDP tuav txoj haujlwm tseem ceeb hauv cov txheej txheem niaj hnub ceramic pobzeb nplaum, muab kev txhawb zog rau kev txhim kho qhov zoo ntawm kev tsim kho.
Lub sij hawm xa tuaj: Plaub Hlis-04-2024