Tare da haɓakawa da aikace-aikacen fentin latex na tushen ruwa, zaɓin kauri na fenti yana bambanta. Daidaita rheology da danko iko na latex fenti daga high, matsakaici da kuma low ƙarfi rates. Zaɓi da aikace-aikacen masu kauri don fenti na latex da fenti a cikin tsarin emulsion daban-daban (acrylic tsantsa, styrene-acrylic, da sauransu).
Babban aikin thickeners a cikin latex paints, wanda rheology yana daya daga cikin muhimman abubuwan da suka haifar da bayyanar da wasan kwaikwayo na fina-finai na fenti. Hakanan la'akari da tasirin danko akan hazo pigment, gogewa, daidaitawa, cikar fim ɗin fenti, da sag na fim ɗin saman yayin goga a tsaye. Waɗannan su ne batutuwa masu inganci waɗanda masana'antun sukan yi la'akari da su.
A abun da ke ciki na shafi rinjayar da rheology na latex Paint, da danko za a iya gyara ta canza maida hankali na emulsion da taro na sauran m abubuwa tarwatsa a cikin latex Paint. Koyaya, kewayon daidaitawa yana iyakance kuma farashin yana da yawa. Dankin fenti na latex galibi ana daidaita shi ta hanyar masu kauri. Yawanci amfani thickeners ne: cellulose ether thickeners, alkali-swellable polyacrylic acid emulsion thickeners, wadanda ba ionic associative polyurethane thickeners, da dai sauransu Hydroxyethyl cellulose ether thickener yafi matsakaici da kuma low karfi danko na latex Paint, kuma yana da babban thixotropy. Ƙimar amfanin gona tana da girma. Babban sarkar hydrophobic na cellulose thickener yana da alaƙa da abubuwan da ke kewaye da ruwa ta hanyar haɗin hydrogen, wanda ke ƙara yawan ruwa na polymer kanta. An rage sarari don motsi kyauta na barbashi. An ƙara danko na tsarin, kuma an kafa tsarin hanyar sadarwa mai haɗin kai tsakanin pigment da ƙwayoyin emulsion. Don ware pigments daga juna, da emulsion barbashi da wuya adsorb.
Lokacin aikawa: Nov-02-2022