Ƙara 2% zuwa 3% na redispersible latex foda zai iya inganta haɓaka juriya na turmi mai daidaitawa, wanda zai iya saduwa da juriya na 28d ≤ 0.59 da aka tsara a cikin ma'auni. Polymer ya watse a cikin turmi sannan ya samar da fim, ya cika ramukan slurry kuma yana hulɗa tare da samfuran hydration na siminti don samar da tsarin hanyar sadarwa mai girma uku, wanda ke sa tsarin turmi ya zama mai ƙarfi. Fim ɗin polymer mai sassauƙa yana taimakawa wajen sauƙaƙe damuwa na ciki na turmi, yana rage yawan damuwa, kuma yana rage haɓakar ƙananan ƙwayoyin cuta, kuma wannan fim ɗin polymer ba wai kawai yana taka rawar hydrophobic ba amma kuma baya toshe capillary, don haka kayan aikin. yana da kyau hydrophobicity da breathability. A lokaci guda kuma, saboda tasirin rufewa da fim ɗin polymer ya haifar, ƙarancin kayan abu zuwa danshi, juriya na sinadarai, juriya-narke, da dorewa suna haɓaka sosai, kuma ƙarfin lanƙwasa, juriya mai fashewa, ƙarfin mannewa, da elasticity na an inganta turmi. Kuma tauri, kuma a karshe zai iya kauce wa shrinkage fatattaka turmi.
Gwaje-gwaje sun gano cewa farkon ruwa na turmi mai daidaita kai na gypsum mai kauri-Layer yana ƙaruwa da farko sannan kuma yana raguwa tare da karuwar adadin latex foda. Dalilin shi ne cewa latex foda yana da wani danko a cikin narkar da ruwa. An inganta ikon dakatarwa na slurry zuwa filler, wanda ke da amfani ga kwararar slurry; lokacin da adadin latex foda ya ci gaba da karuwa, karuwa a cikin danko na slurry yana haifar da karuwa a cikin danko na slurry, kuma ruwa yana nuna yanayin ƙasa. Adadin foda na latex kusan ba shi da wani tasiri akan ruwa na 20-min na turmi. A matsayin mai ɗaure na halitta, latex foda ya dogara ne akan ƙawancen ruwa a cikin slurry, kuma fim ɗin yana samar da ƙarfin haɗin gwiwa, kuma tushen gypsum yana daidaitawa a cikin bushewa. Ruwan da ke cikin turmi yana ƙafe, kuma foda na latex zai iya samar da fim mai ci gaba, wanda ke da karfi mai kyau. Ƙarfin busassun gypsum-tushen turmi mai daidaita kai yana ƙaruwa tare da karuwar abun ciki na latex foda. A cikin turmi mai daidaita kai na tushen gypsum ba tare da latex foda ba, akwai adadi mai yawa na lu'ulu'u masu siffar sanda da columnar dihydrate gypsum lu'ulu'u da dihydrate gypsum lu'ulu'u na dihydrate da kuma tsakanin dihydrate gypsum lu'ulu'u da filler. Tari tare don yin turmi mai daidaita kai na tushen gypsum ya samar da ƙarfi, kuma turmi mai daidaitawa na gypsum wanda aka haɗe da foda mai sake rarrabuwa, foda na latex yana samar da haɗin filamentary a cikin turmi mai daidaita kai na tushen gypsum, da dihydrate. lu'ulu'u na gypsum da filler, lu'ulu'u An kafa gada ta kwayoyin halitta tsakanin crystal da dihydrate gypsum crystal, kuma an samar da wani fim na halitta akan dihydrate gypsum crystal don nannade da haɗa sassan da suka mamaye tsakanin lu'ulu'u na gypsum dihydrate, ta haka ne ke haɓaka haɗin kai da haɗin kai. Daga cikin matattarar kai-da-kan kai da kuma inganta ƙarfin turmi na Gypsum kai da samar da fim ɗin da ke cikin turmi, wanda zai iya inganta hadin gwiwar turmi. Samar da ingantacciyar haɗin gwiwa tsakanin masu cikawa yana inganta haɗin kai tsakanin lu'ulu'u na gypsum dihydrate da masu filaye, don haka inganta ƙarfin haɗin gwiwa na tushen gypsum na turmi mai daidaita kai da macroscopically.
Lokacin aikawa: Afrilu-10-2023