Parizvino, redispersible latex poda yakaita basa rakakosha sekuwedzera kwedhaka rekuvaka. Kuwedzera redispersible latex poda mudhaka kunogona kugadzirira zvakasiyana siyana zvigadzirwa zvedhaka senge mataira anonamira, thermal insulation mortar, self-leveling dhaka, putty, plastering dhaka, yekushongedza dhaka, inonongedza agent, inogadzirisa dhaka uye isina mvura yekuvharisa zvinhu. Chiyero chekushandisa uye kushanda kwekushandisa kwedhaka rekuvaka.
Kuumbwa kweinoenderera mberi polymer firimu kwakakosha zvakanyanya pakuita kwepolymer-yakagadziridzwa simende madhaka. Munguva yekumisikidza uye kuomeswa kwesement paste, makomba akawanda anogadzirwa mukati, ayo anove asina kusimba mativi esimende paste. Mushure mekunge iyo redispersible latex poda yawedzerwa, iyo latex poda inokurumidza kupararira mu emulsion kana ikasangana nemvura, uye inoungana munzvimbo ine mvura yakawanda (kureva, mugomba). Sezvo simende paste inogadzika uye ichiomesa, kufamba kwepolymer particles kunowedzera kurambidzwa, uye kusawirirana kwechiso pakati pemvura nemhepo kunovamanikidza kuti vawirirane zvishoma nezvishoma. Kana zvimedu zvepolymer zvasangana, network yemvura inoputika kuburikidza necapillaries, uye iyo polima inogadzira firimu rinoenderera rakatenderedza mhango, ichisimbisa aya asina simba mavara. Panguva ino, iyo polymer firimu haigoni kungoita hydrophobic basa, asiwo haivharidzi capillary, kuitira kuti zvinhu zvive zvakanaka hydrophobicity uye mhepo inopera.
Iyo simende dhaka isina polymer yakanyatso sungirirwa pamwe chete. Kusiyana neizvi, iyo polymer yakagadziridzwa simende dhaka inoita kuti dhaka rese ribatanidzwe zvakanyanya nekuda kwekuvapo kwepolymer firimu, nekudaro kuwana zvirinani zvemuchina uye kusamira kwemamiriro ekunze bonde. Mu latex poda yakagadziridzwa simende dhaka, iyo latex poda ichawedzera porosity ye simende paste, asi kuderedza porosity yenzvimbo yekushandura yekushandura pakati pesement paste uye aggregate, zvichiita kuti porosity yese yevhu ive isingachinji. Mushure mekunge latex poda yaumbwa kuita firimu, inogona kuvharira zvirinani ma pores mudhaka, ichiita chimiro cheiyo interface yekuchinja nzvimbo pakati pesimende paste uye aggregate yakawedzera dense, uye kupindira kwekudzivirira kwelatex poda yakagadziridzwa dhaka inovandudzwa. , uye kukwanisa kudzivisa kukukurwa kwezvinokuvadza zvinowedzerwa. Iine simba rakanaka pakuvandudzwa kwekugara kwedhaka.
Nguva yekutumira: Feb-20-2023