Kodi ufa wa putty powder additive redispersible latex ufa umakulitsa bwanji mphamvu ya chomangira?

Popanga putty powder, tiyenera kugwiritsa ntchito redispersible latex powder. Kugwiritsiridwa ntchito kwa latex powders kungapangitse mphamvu zomangirira. Tikudziwa kuti ngati tikufuna kupanga ufa wapamwamba wa putty, chiŵerengero cha formula chiyenera kukhala choyenera, ndipo zowonjezera zomwe zilimo ziyenera kugwiritsidwa ntchito moyenera. Timagwiritsa ntchito redispersible latex ufa kuti tiwonjezere mphamvu, ndiye tingatani kuti titsimikizire mphamvu izi?

Choyamba, tiyenera kumvetsetsa chomwe redispersible latex ufa ndi momwe amapangidwira. Ntchito yake yayikulu ndikuwongolera mphamvu. Zomwe zimapangidwira zimapangidwanso ndi emulsion ya polima ndiyeno zowonjezera zosiyanasiyana zimawonjezeredwa. Panthawi imodzimodziyo, colloid yoteteza ndi anti-caking wothandizira amawonjezeredwa. Polimayo imawumitsidwa kuti ipange ufa wosasunthika womwe umapezekanso m'madzi. Timagwiritsidwa ntchito makamaka kupanga putty ufa ndikuwonjezera pamatope owuma.

Pakupanga, redispersible latex ufa ukhoza kubalalitsidwa ndi re-emulsified, ndiyeno wosanjikiza m'munsi mosalekeza amatenga chinyezi chaulere mu voids mkati mwa matope ndi kumadya mosalekeza, ndi amphamvu zamchere chilengedwe operekedwa ndi simenti amapanga latex. particles youma ndi kupanga mu matope. A mosalekeza filimu insoluble m'madzi opangidwa ndi maphatikizidwe wa monodisperse particles mu emulsion mu homogeneous misa.

Pambuyo kubalalitsidwa, redispersible latex ufa ndi utsi-zouma kubalalitsidwa, amene anawonjezera kuti madzi kupanga khola kubalalitsidwa ndi katundu yemweyo monga kubalalitsidwa koyambirira. Komabe, pali zinthu zina zopangira latex ufa. Iyenera kuchitidwa pansi pa kutentha kwakukulu. Ma dispersions onse amatha kusinthidwa kukhala ma ufa a latex opangidwanso.

Redispersible latex powder imathanso kupititsa patsogolo ntchito yomanga, komanso ndi gawo lofunikira kwambiri kuti ufa wa putty ndi matope owuma omwe timapanga bwino pomanga. Pambuyo powonjezerapo, kukana kukaniza ndi kusinthasintha kwa matope kumakonzedwanso, zomwe zingapangitse matope kukhala pulasitiki komanso osachiritsika.