Redispersible latex foda abu ne da aka saba amfani da shi na kwayoyin gelling, wanda za'a iya sake watsewa a cikin ruwa don samar da emulsion bayan haɗuwa da ruwa.Ƙara redispersible latex foda zai iya inganta aikin riƙe ruwa na sabon gauraye siminti turmi, kazalika da aikin haɗin gwiwa, sassauci, rashin ƙarfi da juriya na lalata turmi siminti.Foda na latex yana canza daidaito da slipperness na tsarin a cikin yanayin hadewar rigar, kuma an inganta haɗin kai ta hanyar ƙara latex foda.Bayan bushewa, yana samar da shimfidar wuri mai santsi kuma mai yawa tare da haɗin kai, kuma yana inganta tasirin yashi, tsakuwa da pores., An wadatar da shi a cikin fim a cikin haɗin gwiwa, wanda ke sa kayan aiki ya fi dacewa, yana rage ƙarfin haɓakawa, yana shayar da damuwa na lalatawar thermal zuwa babban matsayi, kuma yana da juriya na ruwa a cikin mataki na gaba, kuma zafin jiki na buffer da nakasar kayan aiki ba daidai ba ne.
Samar da fim ɗin polymer mai ci gaba yana da matukar mahimmanci ga aikin gyare-gyaren siminti na polymer.A lokacin saiti da hardening na siminti manna, da yawa cavities za a samar a ciki, wanda ya zama rauni sassa na siminti manna.Bayan an saka foda mai sake tarwatsewa, nan da nan za ta watse a cikin emulsion idan ta hadu da ruwa, kuma a taru a cikin wurin mai wadatar ruwa (wato a cikin rami).Yayin da manna siminti ya kafa kuma ya taurare, motsi na ƙwayoyin polymer yana ƙara ƙuntatawa, kuma tashin hankali tsakanin ruwa da iska yana tilasta musu su daidaita a hankali.Lokacin da ƙwayoyin polymer suka shiga cikin hulɗa da juna, hanyar sadarwa na ruwa ta kwashe ta cikin capillaries, kuma polymer ya samar da fim mai ci gaba a kusa da rami, yana ƙarfafa waɗannan wurare masu rauni.A wannan lokacin, fim din polymer ba zai iya taka rawar hydrophobic kawai ba, amma kuma ba zai toshe capillary ba, don haka abu yana da kyaun hydrophobicity da iska.
Turmi siminti ba tare da polymer ba yana da alaƙa da juna sosai.Akasin haka, turmi na siminti da aka gyara na polymer yana sa duka turmi ya kasance da alaƙa sosai saboda kasancewar fim ɗin polymer, don haka samun ingantattun kayan inji da juriya na yanayi.A cikin latex foda modified siminti turmi, da latex foda zai ƙara porosity na ciminti manna, amma rage porosity na dubawa yankin mika mulki tsakanin ciminti manna da tara, sakamakon a cikin overall porosity na turmi kasancewa m canzawa.Bayan da latex foda aka kafa a cikin wani fim, shi zai iya mafi kyau toshe pores a cikin turmi, yin tsarin da mu'amala miƙa mulki yankin tsakanin ciminti manna da tara mafi m, da permeability juriya na latex foda modified turmi yana inganta. , kuma ana haɓaka ikon yin tsayayya da lalatawar kafofin watsa labarai masu cutarwa.Yana da tasiri mai kyau akan inganta ƙarfin turmi.
Lokacin aikawa: Maris 14-2023