Hauv cov qauv nplaum pobzeb,Cov hmoov polymer uas yaj tau dua tshiab (RDP)yog ib qho tseem ceeb ntawm cov organic polymer additive. Nws lub luag haujlwm ncaj qha txiav txim siab qhov khoom sib txuas ntawm cov nplaum, kev ywj pheej, thiab kev ruaj khov. Cov nplaum pobzeb, ib qho khoom siv sib xyaw qhuav hauv kev tsim kho, feem ntau yog siv los sib txuas cov khoom tiav xws li ceramics, vitrified tiles, thiab marble. Kev cia siab rau cov khoom siv hydration ntawm cement feem ntau ua tsis tau raws li qhov xav tau ntawm kev sib txuas thiab kev ruaj khov. Yog li ntawd, kev ntxiv RDP tsis yog tsuas yog txhim kho cov khoom siv lub cev ntawm cov nplaum cement xwb tab sis kuj tseem txhim kho lawv daim ntawv thov thiab kev ua haujlwm ntev.
1. Txhim Kho Lub Zog Sib Koom Tes
Cov nplaum rau pobzeb xav tau qhov pib zoo thiab lub zog sib txuas ntev kom ntseeg tau tias cov pobzeb lo rau lub substrate. Thaum lub sijhawm ua kom cov dej noo thiab ua kom tawv, RDP tsim cov zaj duab xis polymer organic uas nkag mus thiab qhwv ntawm cov khoom ua kom cov cement noo thiab cov khoom sau, sau cov qhov hws thiab ua kom muaj zog sib txuas. Cov "inorganic-organic composite structure" uas tsim los ntawm cov cement-based inorganic binders ua kom muaj zog sib txuas ntawm cov pobzeb thiab lub substrate. Qhov no zoo tshwj xeeb tshaj yog thaum txuas cov pobzeb vitrified uas nqus dej tsawg lossis cov pobzeb loj.
2. Txhim Kho Kev Ywj Pheej thiab Kev Tiv Thaiv Kev Tawg
Cov kab sib txuas ntawm cov cement mortar ib txwm muaj qhov tsis zoo thiab yooj yim tawg vim qhov kub thiab txias hloov pauv thiab deformation ntawm lub substrate. Cov polymer hauv RDP tsim ib zaj duab xis, muab kev ywj pheej thiab elasticity rau cov nplais nplaum. Thaum lub substrate deforms me ntsis, cov txheej nplaum buffers kev ntxhov siab, tiv thaiv kev tawg. Qhov no yog qhov tseem ceeb tshwj xeeb rau kev siv sab nraum zoov, cov vuas loj, lossis cov cua sov hauv pem teb, uas yooj yim rau thermal nthuav dav thiab contraction.
3. Kev Tiv Thaiv Dej Zoo Dua thiab Kev Tiv Thaiv Khov-Thawj
Cov nplaum rau pobzeb feem ntau siv rau hauv qhov chaw noo noo lossis qhov chaw uas muaj qhov kub thiab txias hloov pauv, xws li chav dej, chav ua noj, thiab sab nraud ntawm lub tsev. Txawm hais tias cov nplaum uas ua los ntawm cov cement ntshiab tuaj yeem poob zog lossis txawm tias tawg thaum raug dej, cov qauv tsim zaj duab xis ntawm RDP txo qis kev nkag mus rau hauv dej, ua kom muaj txiaj ntsig zoo ntawm kev tiv thaiv dej. RDP kuj tseem txhim kho qhov kev tiv thaiv khov-thaw ntawm cov nplaum pobzeb. Txawm tias dhau los ntawm kev rov ua dua ntawm kev khov-thaw, cov txheej nplaum tseem muaj cov qauv ruaj khov thiab kev nplaum, ua rau lub neej ua haujlwm ntawm cov pobzeb tiav ntev dua.
4. Kev Ua Haujlwm Zoo Dua ntawm Daim Ntawv Thov
RDP tsis yog tsuas yog txhim kho cov khoom siv kho tshuab ntawm cov nplaum pobzeb xwb tab sis kuj ua kom zoo dua qhov kev paub siv. Nws cov khoom sib kis ua kom muaj roj zoo dua thiab khaws dej tom qab sib tov, ntev lub sijhawm qhib thiab tso cai rau cov neeg teeb tsa ntau lub sijhawm los kho thiab tso cov pobzeb. RDP kuj tseem txhim kho qhov ua haujlwm tau zoo thiab thixotropy ntawm cov nplaum pobzeb, ua rau lawv yooj yim dua rau kev siv thiab txo qhov kev pheej hmoo ntawm kev hollow thiab tev tawm.
5. Kev ruaj khov thiab kev hloov pauv tau zoo dua
Qhov ua tau zoo mus sij hawm ntev ntawm cov nplaum pobzeb nyob ntawm seb lawv puas hloov tau raws li qhov kev hloov pauv ntawm ib puag ncig. RDP muab kev tiv thaiv zoo heev rau huab cua, alkali, thiab kev laus, tswj kev ua tau zoo txawm tias nyob hauv UV, kev hloov pauv ntawm av noo, thiab cov chaw acidic thiab alkaline. Ntxiv mus, cov nplaum pobzeb hloov kho RDP zoo dua rau ntau yam khoom siv, xws li cov pob zeb ua vaj tse, gypsum board, thiab cement mortar, nthuav lawv cov kev siv.
6. Qhov Tseem Ceeb ntawm Kev Txuag Ib Puag Ncig thiab Kev Txuag Hluav Taws Xob
Nrog rau kev txhim kho ntawm cov qauv vaj tse ntsuab, cov nplaum rau pobzeb maj mam hloov cov txheej txheem teeb tsa cement mortar ib txwm muaj. Kev siv RDP ua rau cov nplaum rau pobzeb ua tiav qhov kev sib txuas zoo tshaj plaws nrog cov txheej txheej nyias dua, txo qis kev siv khoom siv thiab tsim kom muaj cov txheej txheem tsim kho huv dua thiab zoo rau ib puag ncig. Qhov no tsis yog tsuas yog txo qis kev siv hluav taws xob thiab cov nqi xwb tab sis kuj ua raws li cov qauv txuag hluav taws xob thiab zoo rau ib puag ncig ntawm kev tsim kho niaj hnub.
RDP lub luag haujlwm tseem ceeb hauv cov nplaum pobzebyog los txhim kho lub zog sib txuas, txhim kho kev ywj pheej thiab kev tawg tsis kam, txhim kho dej thiab khov-thaw tsis kam, ua kom zoo dua kev ua haujlwm, thiab txhim kho kev ruaj khov thiab kev phooj ywg ib puag ncig. Los ntawm kev tsim cov qauv sib xyaw nrog cov khoom siv cement hydration, nws txhim kho qhov kev ua tau zoo ntawm cov nplais pobzeb, ua rau lawv ua tau raws li qhov xav tau ntawm lub zog siab, loj, thiab nyuaj ntawm cov tsev niaj hnub. Yog li ntawd, RDP tau dhau los ua qhov tseem ceeb hauv cov qauv nplais pobzeb.
Lub sijhawm tshaj tawm: Lub Yim Hli-19-2025