Hmoov Polymer uas yaj tau dua tshiab (RDP)yog ib qho khoom siv tseem ceeb uas siv rau hauv ntau yam khoom siv mortar qhuav. Nws yog ib qho hmoov polymer uas, thaum sib xyaw nrog dej, rov faib ua ib zaj duab xis. Zaj duab xis no muab ntau yam khoom tseem ceeb rau mortar, xws li kev nplaum zoo dua, kev ywj pheej, kev tiv thaiv dej, thiab kev tiv thaiv tawg. Raws li qhov yuav tsum tau ua ntawm kev tsim kho, RDPs tau txais kev siv dav hauv cov khoom siv mortar qhuav tshwj xeeb, qhov twg lawv cov txiaj ntsig ua lub luag haujlwm tseem ceeb hauv kev txhim kho cov yam ntxwv kev ua tau zoo.
1.Hmoov Polymer uas yaj tau dua tshiab (RDP) Txheej txheem cej luam
Cov Hmoov Polymer Uas Yuav Tsum Tau Tshaj Tawm Dua (RDP) yog tsim los ntawm kev ziab cov emulsions ntawm cov polymers hluavtaws, feem ntau yog styrene-butadiene (SB), vinyl acetate-ethylene (VAE), lossis acrylics. Cov polymers no raug milled zoo thiab muaj peev xwm rov tshaj tawm thaum sib xyaw nrog dej, tsim ib zaj duab xis uas txhim kho cov khoom siv kho tshuab ntawm cov mortar.
Cov yam ntxwv tseem ceeb ntawm RDPs:
Kev txhim kho kev nplaum: Txhim kho kev sib txuas rau cov substrates.
Kev ywj pheej: Muab kev pabcuam txav mus los thiab txo qhov tawg.
Tiv thaiv dej: Ua kom tsis txhob muaj dej nkag mus rau hauv.
Kev ua haujlwm tau zoo dua: Ua kom yooj yim rau kev siv.
Kev ruaj khov zoo dua: Pab txhawb rau kev ua haujlwm ntev hauv cov xwm txheej hnyav.
2.Cov ntawv thov hauv cov khoom siv qhuav tshwj xeeb
ib.Cov nplaum rau pobzeb
Cov nplaum rau pobzeb yog ib qho ntawm cov kev siv ntau tshaj plaws ntawm Redispersible Polymer Powder (RDP). Cov nplaum no yog tsim los txuas cov pobzeb rau ntau qhov chaw, suav nrog phab ntsa thiab pem teb. Kev suav nrog RDP hauv cov nplaum rau pobzeb ua rau cov yam ntxwv hauv qab no zoo dua:
Lub zog ntawm kev sib txuas: Qhov sib txuas ntawm cov pobzeb thiab lub substrate tau zoo dua qub, tiv thaiv cov pobzeb kom tsis txhob tawg dhau sijhawm.
Kev ywj pheej: RDP pab txhim kho qhov yooj ywm ntawm cov nplaum, ua rau nws tiv taus kev tawg thiab kev tawg vim yog kev txav ntawm cov khoom hauv qab lossis cov vuas lawv tus kheej.
Lub sijhawm qhib: Lub sijhawm ua haujlwm ua ntej cov nplaum pib teeb tsa tau ntev dua, muab sijhawm ntau dua rau kev hloov kho thaum lub sijhawm teeb tsa.
| Vaj tse | Tsis muaj RDP | Nrog RDP |
| Lub zog ntawm kev sib txuas | Nruab nrab | Siab |
| Kev ywj pheej | Qis | Siab |
| Lub sijhawm qhib | Luv | Txuas ntxiv |
| Tiv thaiv dej | Txom nyem | Zoo |
b.Cov nplaum
Cov Hmoov Polymer Redispersible (RDP) siv dav hauv cov plasters sab hauv thiab sab nraud kom txhim kho kev nplaum, tiv taus dej, thiab yoog tau. Hauv cov ntaub ntawv ntawm cov renders sab nraud lossis cov txheej txheem façade, RDPs muab cov txiaj ntsig ntxiv xws li kev tiv taus huab cua thiab kev puas tsuaj UV.
Kev nplaum rau cov substrates: RDP ua kom ntseeg tau tias cov plaster lo rau cov pob zeb, cib, lossis lwm yam khoom siv hauv tsev zoo dua, txawm tias thaum raug dej thiab av noo.
Tiv thaiv dejTshwj xeeb tshaj yog nyob rau hauv cov plasters sab nraud, RDPs pab txhawb rau kev tiv thaiv dej, tiv thaiv kev nkag mus ntawm cov dej noo thiab kev puas tsuaj los ntawm cov voj voog khov-thaw.
Kev tiv thaiv tawgQhov kev ywj pheej ntawm cov plaster txo qhov yuav muaj kab nrib pleb vim yog thermal lossis mechanical stresses.
| Vaj tse | Tsis muaj RDP | Nrog RDP |
| Kev nplaum rau cov khoom siv | Nruab nrab | Zoo heev |
| Tiv thaiv dej | Qis | Siab |
| Kev ywj pheej | Txwv | Nce ntxiv |
| Kev tiv thaiv tawg | Txom nyem | Zoo |
c.Kho Cov Mortars
Cov tshuaj kho yog siv los kho cov chaw puas tsuaj, xws li cov pob zeb tawg lossis cov pob zeb tawg. Hauv cov ntawv thov no, RDP ua lub luag haujlwm tseem ceeb hauv kev txhim kho cov hauv qab no:
Kev sib txuas rau cov chaw qub: Redispersible Polymer Powder (RDP) txhim kho kev nplaum rau cov khoom uas twb muaj lawm, ua kom cov khoom kho tau nplaum zoo.
Kev ua haujlwm tau: RDP ua rau cov mortar yooj yim dua rau kev siv thiab theem, txhim kho qhov yooj yim ntawm kev siv.
Kev ruaj khovLos ntawm kev txhim kho cov khoom siv tshuaj lom neeg thiab cov khoom siv kho tshuab ntawm cov mortar, RDP ua kom muaj kev kho kom ntev uas tiv taus kev tawg, ntsws, thiab kev puas tsuaj los ntawm dej.
| Vaj tse | Tsis muaj RDP | Nrog RDP |
| Kev sib txuas rau lub substrate | Nruab nrab | Zoo heev |
| Kev ua haujlwm tau | Nyuaj | Du thiab yooj yim rau kev thov |
| Kev ruaj khov | Qis | Siab |
| Kev tiv thaiv kom tsis txhob ntsws | Nruab nrab | Qis |
d.Cov Txheej Txheem Rwb Thaiv Kub Sab Nraud (ETICS)
Hauv cov txheej txheem sib xyaw ua ke ntawm cov khoom siv rwb thaiv tsev sab nraud (ETICS), Redispersible Polymer Powder (RDP) yog siv rau hauv txheej nplaum los txuas cov khoom siv rwb thaiv tsev rau phab ntsa sab nraud ntawm cov tsev. RDPs pab txhawb rau kev ua haujlwm ntawm lub kaw lus los ntawm:
Kev nplaum zoo dua: Xyuas kom muaj kev sib txuas zoo ntawm cov rwb thaiv tsev thiab cov khoom siv hauv qab.
Kev tiv thaiv rau huab cua: Qhov kev ywj pheej zoo dua thiab kev tiv thaiv dej pab kom lub kaw lus ua haujlwm zoo dua nyob rau hauv ntau yam xwm txheej ib puag ncig.
Kev cuam tshuam tsis kamTxo qhov kev pheej hmoo ntawm kev puas tsuaj los ntawm kev cuam tshuam lub cev, xws li los ntawm cua daj cua dub lossis kev siv tshuab thaum lub sijhawm teeb tsa.
| Vaj tse | Tsis muaj RDP | Nrog RDP |
| Kev nplaum | Nruab nrab | Siab |
| Kev ywj pheej | Txwv | Siab |
| Tiv thaiv dej | Qis | Siab |
| Kev cuam tshuam tsis kam | Qis | Zoo |
3.Cov txiaj ntsig ntawmHmoov Polymer uas yaj tau dua tshiab (RDP)hauv Cov Khoom Siv Qhuav Mortar
Redispersible Polymer Hmoov (RDP) ua rau cov khoom siv mortar qhuav zoo dua, thiab muab cov txiaj ntsig zoo li nram no:
ib.Kev nplaum zoo dua
RDP txhim kho lub zog sib txuas ntawm cov mortar thiab ntau yam substrates, uas yog qhov tseem ceeb rau cov ntawv thov xws li cov nplaum pobzeb thiab cov mortars kho, qhov twg xav tau kev nplaum zoo kom tiv thaiv kev tawg lossis kev ua tsis tiav dhau sijhawm.
b.Kev Tiv Thaiv Kev Tawg
Qhov kev ywj pheej uas RDPs muab tso cai rau cov txheej txheem mortar hloov kho rau kev txav mus los ntawm cua sov, txo qhov kev pheej hmoo ntawm kev tawg. Cov khoom no yog qhov tseem ceeb rau kev siv sab nraud, xws li plasters thiab ETICS, qhov twg kev txav mus los ntawm tsev lossis huab cua hnyav tuaj yeem ua rau muaj kev tawg.
c.Kev Tiv Thaiv Dej
Rau ob qho tib si sab hauv thiab sab nraud daim ntawv thov, RDPs pab txhawb kom tiv thaiv dej zoo dua, pab tiv thaiv kom tsis txhob muaj dej nkag mus. Qhov no muaj txiaj ntsig zoo rau hauv cov chaw ntub dej, ua kom ntseeg tau tias cov khoom siv tsim kho tau ntev thiab ruaj khov.
d.Kev Ua Haujlwm Zoo Dua
Cov mortars uas muaj RDP yooj yim dua rau kev siv, nthuav dav, thiab kho, txhim kho qhov kev paub ntawm tus neeg siv tag nrho. Qhov no yog qhov zoo tseem ceeb hauv cov nplaum rau pobzeb thiab cov mortars kho, qhov twg yooj yim siv tuaj yeem ua kom cov txheej txheem kev tsim kho sai dua.
e.Kev ruaj khov
Cov mortars nrog Redispersible Polymer Powder (RDP)s tiv taus kev hnav thiab tsim kua muag ntau dua, ua kom muaj kev ua haujlwm ntev dua nyob rau hauv ntau yam kev ntxhov siab ntawm ib puag ncig.
Hmoov Polymer uas yaj tau dua tshiab (RDP)s yog cov khoom tseem ceeb hauv kev tsim cov mortars qhuav tshwj xeeb, txhim kho lawv cov khoom siv lub cev xws li kev nplaum, kev ywj pheej, kev ua haujlwm tau zoo, thiab kev ruaj khov. Txawm hais tias siv rau hauv cov nplaum pobzeb, plasters, kho mortars, lossis cov txheej txheem rwb thaiv tsev sab nraud, RDPs txhim kho qhov kev ua tau zoo thiab lub neej ntev ntawm cov khoom. Raws li cov qauv kev tsim kho txuas ntxiv xav tau cov ntaub ntawv tshwj xeeb ntau dua, kev siv RDPs hauv cov mortars qhuav yuav txuas ntxiv ua lub luag haujlwm tseem ceeb hauv kev ua kom tau raws li cov kev xav tau no.
Lub sijhawm tshaj tawm: Lub Ob Hlis-15-2025