Dab tsi yog redispersible latex hmoov?

Redispersible latex hmoov (RLP), tseem hu ua redispersible polymer hmoov (RPP), yog ib tug dawb-flowing, dej-dispersible hmoov tau los ntawm tshuaj tsuag-qhuav ib tug polymer latex emulsion. Nws muaj cov khoom siv polymer, feem ntau nrog cov qauv-plhaub, nrog rau ntau yam khoom ntxiv xws li kev tiv thaiv colloids, plasticizers, dispersants, thiab anti-foaming agents. RLP yog tsim los txhim kho cov kev ua tau zoo thiab cov khoom ntawm cov khoom siv cementitious, nrog rau cov nplaum, mortars, renders, thiab coatings, los ntawm kev txhim kho adhesion, yoog raws, dej tsis kam, ua haujlwm, thiab ua haujlwm ntev.

Kev tsim cov txheej txheem ntawm redispersible latex hmoov muaj ob peb kauj ruam:

1. Polymer Emulsion Production: Cov txheej txheem pib nrog kev tsim cov polymer emulsion los ntawm polymerization ntawm monomers xws li vinyl acetate, ethylene, acrylic esters, los yog styrene-butadiene nyob rau hauv muaj surfactants, emulsifiers, thiab stabilizers. Lub emulsion polymerization cov tshuaj tiv thaiv feem ntau yog nqa tawm hauv dej raws li kev tswj xyuas kom tsim cov latex ruaj khov.
2. Txau kom qhuav: Lub polymer emulsion yog tom qab ntawd raug tshuaj tsuag kom qhuav, txheej txheem uas cov emulsion yog atomized rau hauv cov tee dej zoo thiab nkag mus rau hauv cov cua kub hauv chav ziab khaub ncaws. Cov evaporation sai ntawm cov dej los ntawm cov tee dej ua rau tsim cov khoom siv, uas tau sau ua cov hmoov qhuav rau hauv qab ntawm lub tshuab ziab khaub ncaws. Thaum lub sij hawm ziab qhuav, cov khoom siv ntxiv xws li kev tiv thaiv colloids thiab plasticizers tuaj yeem muab tso rau hauv cov khoom siv polymer los txhim kho lawv cov kev ruaj ntseg thiab kev ua haujlwm.
3. Particle Surface Treatment: Tom qab cov tshuaj tsuag kom qhuav, cov hmoov latex redispersible yuav raug kho saum npoo los hloov nws cov khoom thiab cov yam ntxwv ua haujlwm. Kev kho deg tuaj yeem koom nrog kev siv cov txheej txheem ntxiv lossis kev koom ua ke ntawm cov khoom siv ntxiv los txhim kho adhesion, dej tsis kam, lossis kev sib raug zoo nrog lwm cov khoom hauv cementitious formulations.
4. Ntim thiab Cia: Qhov kawg redispersible latex hmoov yog ntim rau hauv cov hnab ntim khoom los yog cov thawv los tiv thaiv nws los ntawm ib puag ncig noo noo thiab paug. Kev ntim khoom kom zoo thiab kev khaws cia yog qhov tseem ceeb kom tswj tau qhov zoo thiab ruaj khov ntawm cov hmoov thaum lub sijhawm.

Redispersible latex hmoov feem ntau yog dawb los yog dawb dawb hauv cov xim thiab muaj qhov loj me me, xws li los ntawm ob peb micrometers mus rau kaum micrometers. Nws yog yooj yim dispersible nyob rau hauv dej los tsim ruaj khov emulsions los yog dispersions, uas yuav muab tau yooj yim incorporated rau hauv cementitious formulations thaum sib tov thiab daim ntawv thov. RLP yog dav siv nyob rau hauv kev tsim kho kev lag luam raws li ib tug ntau yam additive los txhim kho cov kev ua tau zoo, kev ua hauj lwm, thiab durability ntawm ntau yam tsev ntaub ntawv thiab installation.