Ho eketsa 2% ho 3% ea phofo ea latex e qhalakantsoeng hape e ka ntlafatsa haholo ho hanyetsa ho roala ha seretse se ikemetseng, se ka kopanang le 28d ho hanyetsa ho apara ≤ 0.59 e boletsoeng ka mokhoa o tloaelehileng.Polymer e hasana ka seretse ebe e etsa filimi, e tlatsa li-pores tsa slurry 'me e sebelisana le lihlahisoa tsa samente tsa hydration ho theha sebopeho sa marang-rang a mararo, se etsang hore sebopeho sa seretse se kopane haholoanyane.Filimi ea polymer e feto-fetohang e thusa ho imolla khatello ea kelello ea ka hare ea seretse, e fokotsa khatello ea kelello, 'me e fokotsa moloko oa li-micro-cracks,' me filimi ena ea polymer ha e bapalle feela karolo ea hydrophobic empa hape ha e thibele capillary, e le hore lintho tse bonahalang. e na le hydrophobicity e ntle le phefumoloho e ntle.Ka nako e ts'oanang, ka lebaka la phello ea tiiso e bakoang ke filimi ea polymer, ho se khonehe ha thepa ho mongobo, ho hanyetsa lik'hemik'hale, ho hanyetsa ha leqhoa, le ho tšoarella ho ntlafatsoa haholo, 'me matla a ho khumama, ho hanyetsa mapheo, matla a ho khomarela le elasticity ea seretse se ntlafatsoa.Le toughness, 'me qetellong ka qoba shrinkage cracking ea seretse.
Liteko li fumane hore metsi a qalang a gypsum-based self-leveling seretse a eketseha pele ebe a fokotseha ka ho eketseha ha phofo ea latex.Lebaka ke hore phofo ea latex e na le viscosity e itseng metsing a qhibilihisitsoeng.Bokhoni ba ho emisa ha slurry ho filler bo ntlafatsoa, e leng molemo ho phallo ea slurry;ha palo ea phofo ea latex e ntse e eketseha, ho eketseha ha viscosity ea slurry ho lebisa ho eketseha ha viscosity ea slurry, 'me ho phalla ho bontša mokhoa o theohelang.Palo ea phofo ea latex e batla e se na phello ho 20-min fluidity ea seretse.Joaloka setlamo sa manyolo, phofo ea latex e itšetlehile ka ho fetoha mouoane ha metsi ka har'a slurry, 'me filimi e theha matla a tlamahano,' me setsi sa gypsum se ikemela sebakeng se omileng.Metsi a seretse a fetoha mouoane, 'me phofo ea latex e ka etsa filimi e tsoelang pele, e nang le matla a ho kopanya hantle.Matla a omileng a seretse sa gypsum-based self-leveling a eketseha ka ho eketseha ha phofo ea latex.Ka har'a seretse se ikemetseng sa gypsum ntle le phofo ea latex, ho na le palo e kholo ea likristale tsa gypsum tse bōpehileng joaloka molamu le li-columnar dihydrate le likristale tse sa tloaelehang tsa li-filler dihydrate gypsum le pakeng tsa likristale tsa gypsum tsa dihydrate le li-filler.Bokella hammoho ho etsa seretse se ikemetseng se thehiloeng ho gypsum se hlahise matla, 'me seretse se ikemetseng se thehiloeng ho gypsum se kopantsoeng le phofshoana ea morao-rao ea latex, phofo ea latex e theha khokahanyo ea likhoele ka har'a seretse se ikemetseng sa gypsum, le dihydrate. gypsum crystals le fillers, crystals Borokho ba tlhaho bo thehoa pakeng tsa kristale le dihydrate gypsum crystal, 'me filimi ea tlhaho e thehoa holim'a kristale ea gypsum ea dihydrate ho koahela le ho hokahanya likarolo tse pota-potileng pakeng tsa likristale tsa gypsum tsa dihydrate, kahoo li eketsa momahano le momahano. ea gypsum-based self-leveling seretse le ho ntlafatsa matla a gypsum-based self-leveling seretse phofo ea latex e na le thepa ea ho etsa filimi ka har'a seretse, e ka ntlafatsang ho kopana le ho kopanya matla a seretse se omileng.Ho thehoa ha maqhama a sebetsang pakeng tsa li-fillers ho ntlafatsa momahano pakeng tsa likristale tsa gypsum tsa dihydrate le li-fillers, ka tsela eo ho ntlafatsa matla a tlamahano ea seretse se ikemetseng sa gypsum macroscopically.
Nako ea poso: Apr-10-2023