Recispersible polymer hmoov (RDP) yog ib qho kev sib txuas ntxiv hauv kev tshuaj khib. Nws yog cov molecular siab polymer, feem ntau hauv cov hmoov hmoov, nrog solubility zoo, nplaum thiab muaj kuab ua kom zoo dua qub kev ua tshuaj cug. RDP tau dav siv raws li kev txhawb nqa tus neeg sawv cev rau lub tsev cug, tshwj xeeb tshaj yog nyob rau thaj teb ntawm cug cug qhuav.
1. Kev txhais thiab cov yam ntxwv ntawm RDP
RDP yog cov hmoov polymer ua los ntawm cov tshuaj tsuag kom qhuav ntawm aqueous emulsion. Nws muaj cov solubility zoo thiab tawg, thiab tuaj yeem rov ua kom rov zoo dua nyob rau hauv lub xub ntiag dej los rov ua cov khoom ntawm emulsion. Hom RDP xws li ethylene-vinyl acetate copolymer (vae), acrylates (acrylates), polystene), thiab lwm yam), thiab lwm yam), thiab lwm yam.
RDP hmoov tuaj yeem sib xyaw nrog lwm cov khoom xyaw xws li MAAs, fypsum, thiab lwm yam los ua lub zog cap nrog lub zog siab dua thiab ua haujlwm zoo dua. Nws cov nyiaj ntxiv yog feem ntau ntawm 1% -5%.
2. Lub luag haujlwm ntawm RDP nyob rau hauv lub tsev cug
Txhim kho adhesion: RDP muaj cov nplaum nplaum zoo, uas tuaj yeem txhim kho cov nplaum ntawm cug thiab substrate, thiab txo qhov tshwm sim ntawm kev tu thiab tawg. Tshwj xeeb tshaj yog nyob rau hauv cov ntawv thov xws li sab nrauv phab txheej phab ntsa thiab pobzeb cov nplaum, RDP yuav ua tau zoo txhim kho lub zog uas muaj zog.
Txhim kho kev hloov pauv tau: Raws li cov yas yas, RDP tuaj yeem txhim kho cov tshuaj cug, tsis txhob ua kom huv ntau lossis tawg ntawm lub neej ua haujlwm. Qhov no yog qhov tshwj xeeb tshaj yog rau ib qho chaw sab nraud lossis thaj chaw nrog kev hloov kub loj.
Txhim kho kev tsim kho kev tsim kho: Lub tshuaj khib nyiab siv RDP feem ntau muaj kev ua haujlwm zoo dua. Piv txwv li, kev ua haujlwm thiab kev ua haujlwm ntawm cug yuav raug txhim kho, thiab cov neeg ua haujlwm tsim tau yooj yim ntxiv thiab ua tshuaj khib. Tsis tas li ntawd, qhov sib ntxiv ntawm RDP kuj tseem tuaj yeem txhim kho cov kev kho tau ntawm cug ua ke kom ua tau raws kev siv kev tsim kho.
Txhim kho cov dej tsis kam thiab yees tiv thaiv: RDP tuaj yeem txhim kho cov dej cug, thiab txo qhov kev cuam tshuam rau dej cug ntawm kev muab tshuaj pov tseg. Nyob rau tib lub sijhawm, cov lus qhia ntawm RDP pab txhim kho cov qos yuav tau cug vort, yog li ntawd lub tshuaj pov tseg tseem muaj kev ua tau zoo hauv cov chaw kub tsawg.
Txhim kho kev tawg: vim yog qhov elasticity ntawm RDP, nws tuaj yeem tsim cov yeeb yaj kiab me me thaum ua kom tawg ntawm kev tawg vim qhov kub sib txawv lossis cov rog sab nraud. Nws txhim kho cov tawg tawm ntawm cov tshuaj khib thiab txo tus nqi kho mob thiab kho.
Txhim kho Durability: Cov lus qhia ntawm RDP tsis tuaj yeem txhim kho qhov kev tshuaj khib, yog li kuj txhim kho qhov zoo thiab ua haujlwm thaum siv tau ntev.
3. Daim ntawv thov ntawm RDP nyob rau ntau hom kev ua tsev mortars
Pobzeb Adhesive: Pobzeb Adhesive yog ib hom tshuaj cug ib hom. Qhov sib ntxiv ntawm RDP tuaj yeem txhim kho nws txoj kev sib khi zog thiab kom muaj kev sib raug zoo ntawm cov vuas thiab phab ntsa. RDP tuaj yeem muab cov khoom tiv thaiv muaj zog kom muaj zog thiab txhim kho kev ruaj ntseg ntawm cov vuas tom qab paving.
Txheej txheem phab ntsa sab nrauv: RDP tuaj yeem siv ua qhov sib dhos thiab cov tshuaj tua hluav taws xob hauv phab ntsa sab nrauv, yog li cov txheej txheem sab nraud, yog li ntawd tus yaig ntawm sab nraud ntawm lub neej sab nraud thiab txuas ntxiv rau lub neej ntawm lub neej.
Tshuaj khib cov khoom siv: rau kev kho cov tsev qub, RDP, ua ib qho tseem ceeb ntawm kev kho cug, tuaj yeem txhim kho cov tawg tsis kam thiab kav dej cug. Nws tuaj yeem hloov kho kom haum ib puag ncig sib txawv thiab muab kev sib haum zoo dua thiab tensile lub zog.
Cov tshuaj khib qhuav: Cov tshuaj cug cov cap ntoo qhuav no yuav tsum siv RDP txhawm rau txhim kho lawv txoj kev ruaj khov thaum muaj kev tsim khoom thiab kev thauj mus los. Nrog rau kev qhia ntawm RDP, cov tshuaj khib txias tau zoo dua tswj nws qhov kev ua tau zoo thiab rov kho nws txoj haujlwm thaum xav tau.
Gypsum tshuaj khib: hauv gypsum tshuaj khib, ntxiv rau ntawm RDP pab kom nce cov dej cug, ua kom nws ua haujlwm kom muaj zog ua haujlwm thaum lub sijhawm tsim kho. RDP kuj tseem tuaj yeem txhim kho cov nplaum thiab cov nplaum ntawm gypsum cug thiab tiv thaiv cov kab nrib pleb vim av noo hloov.
4. Qhov zoo ntawm RDP
Txhim kho cov tshuaj cug: RDP tuaj yeem txhim kho cov tshuaj cug, nrog rau kev ua haujlwm zoo, thiab txhim kho lub neej ua haujlwm thiab kev pabcuam lub neej coll.
Cov phooj ywg ib puag ncig: RDP yog cov hmoov qhuav los ntawm cov dej-raws li emulsion, uas feem ntau tsis muaj tshuaj lom, tsis muaj kev tiv thaiv thiab ua tau raws li kev tiv thaiv ib puag ncig. Nws tsis tso tawm cov khoom tsim kev phom sij thaum lub sijhawm siv thiab yog tus phooj ywg ib puag ncig.
Txo cov nqi ua haujlwm: Txij li RDP txhim kho kev ua tshuaj khib, txoj haujlwm tuaj yeem ua tiav tau zoo dua thaum lub sijhawm tsim kho, txo cov nqi ua haujlwm thiab cov nqi zog.
Kev lag luam: RDP yog tus nqi qis ntxiv uas tuaj yeem txhim kho cov kab hlau zoo yam tsis nce nqi ntau dhau.
Raws li lub tsev xhiav roj ntxiv, recispersible polymer hmoov (RDP) tuaj yeem txhim kho cov nplaum, kev tsim kho, dej tsis kam thiab lub durability thiab durability ntawm cug. Nws cov ntaub ntawv dav dav hauv ntau yam kev tsim kho, tshwj xeeb yog nyob rau sab nrauv phab ntsa, gypsum tshuaj tua hluav taws xob thiab lwm yam khoom lag luam, tau pom muaj peev xwm ua lag luam zoo. Nrog rau qhov kev thov kev cog lus rau cov ntaub ntawv kev ua haujlwm siab hauv kev tsim kho, kev siv RDP yuav dhau los ua ib qho ntawm cov thev naus laus zis tseem ceeb thiab tsim kev ua haujlwm zoo.
Lub Sijhawm Post: Feb-19-2025