Upfu hwe emulsion hunozopedzisira hwaita firimu re polymer, uye sisitimu inoumbwa nezvinhu zvisina kugadzirwa uye zve organic binder inoumbwa mumota yakacheneswa, kureva kuti, skeleton yakaoma uye yakapfava inoumbwa nezvinhu zve hydraulic, uye firimu inoumbwa nehupfu hwe latex hunodzokororwa mugomba uye pamusoro pakasimba. network inochinjika. Simba rekudhonza uye kubatana kwefirimu re polymer resin inoumbwa nehupfu hwe latex zvinowedzerwa. Nekuda kwekuchinjika kwe polymer, kugona kwe deformation kwakakwira zvakanyanya kupfuura kwechimiro chakasimba che cement stone, mashandiro e deformation emota anovandudzwa, uye mhedzisiro yekupararira kwe stress inovandudzwa zvikuru, nokudaro ichivandudza kupokana kwe crack yemota. Nekuwedzera kwehuwandu hwe redispersible latex powder, sisitimu yese inokura kuenda kupurasitiki. Kana paine huwandu hwakawanda hwe latex powder, polymer phase mumota yakacheneswa inodarika zvishoma nezvishoma inorganic hydration product phase, uye mortar ichachinja qualitative uye ichava elastomer, nepo hydration product ye simende ichiva "filler".
Simba rekudhonza, kutwasuka, kuchinjika uye kuvharika kwesimbi yakachinjwa neupfu hwelatex hunonyungudika zvese zviri nani. Kusanganiswa kweupfu hwelatex hunonyungudika kunoita kuti firimu repolymer (latex film) riumbwe uye rive chikamu chemadziro epore, nokudaro richivhara chimiro chepamusoro chesimbi. Kamudzira kelatex kane nzira yekuzvitambanudza iyo inoita kuti pave nekumanikidzwa painonamirwa pasimbi. Kuburikidza nemasimba aya emukati, simbi inochengetwa yese, nokudaro ichiwedzera simba rekubatana kwesimbi. Kuvapo kwemapolymer anochinjika uye anochinjika zvakanyanya kunovandudza kuchinjika uye kusimba kwesimbi. Maitiro ekuwedzera kwekumanikidzwa kwezvibereko uye simba rekukundikana ndeekuti: kana simba rishandiswa, ma microcracks anononoka kusvika asvika pakumanikidzwa kwakakwirira nekuda kwekuchinjika uye kusimba kwakawedzerwa. Pamusoro pezvo, nzvimbo dzepolymer dzakarukwa dzakavharika dzinodzivisawo kubatana kwema microcracks mumitswe inopinda. Nokudaro, upfu hwepolymer hunonyungudika hunovandudza kushushikana kwekukundikana uye kumanikidzwa kwekukundikana kwezvinhu.
Firimu repolymer riri mumota yakagadziriswa yepolymer rine mhedzisiro yakakosha pamota yakaomesa. Upfu hwelatex hunonyungudika hunoparadzirwa painterface hunoita rimwe basa guru mushure mekuparadzirwa nekugadzira firimu, iro riri rekuwedzera kunamira kune zvinhu zvakabatwa. Muchimiro chidiki chemota yakagadziriswa yepolymer tile bonding uye tile interface, firimu rinoumbwa nepolymer rinoumba zambuko pakati pematiles ane vitrified ane mvura shoma uye simende mortar matrix. Nzvimbo yekubatana pakati pezvinhu zviviri zvakasiyana inzvimbo ine njodzi huru yekuumbwa kwematiles akapwanyika uye zvichikonzera kurasikirwa kwekubatana. Nokudaro, kugona kwemafirimu elatex kuporesa matiles akapwanyika kwakakosha zvikuru kune tile adhesives.
Nguva yekutumira: Kurume-06-2023