Umgubo we-Emulsion kunye ne-latex powder ephinda inyibilike inokwenza amandla aphezulu okutsalwa kunye namandla okubopha kwizinto ezahlukeneyo emva kokwenziwa kwefilimu, zisetyenziswa njenge-binder yesibini kwi-mortar ukuze zihlanganiswe ne-inorganic binder samente, isamente kunye ne-polymer ngokulandelelana. Nika amandla afanelekileyo ukuphucula ukusebenza kwe-mortar.
Ngokujonga ulwakhiwo oluncinci lwezinto ezidityanisiweyo zepolymer-samente, kukholelwa ukuba ukongezwa komgubo welatex ophinda uchitheke kunokwenza ipolymer ibe yifilimu kwaye ibe yinxalenye yodonga lomngxuma, kwaye kwenze imo ye ...
Ulwakhiwo lwe-microstructure ye-polymer kwi-mortar alutshintshanga ixesha elide, kwaye igcina ukubopha okuzinzileyo, amandla okugoba kunye nokucinezelwa, kunye nokungafihli kakuhle kwamanzi. Indlela yokwenziwa kwe-latex powder ephinda inyibilike ngamandla e-adhesives zethayile ifumanise ukuba emva kokuba i-polymer yomile ibe yifilimu, ifilimu ye-polymer yenza unxibelelwano oluguquguqukayo phakathi kwe-mortar kunye ne-tile kwelinye icala, kwaye kwelinye icala, i-polymer kwi-mortar entsha Yandisa umxholo womoya we-mortar kwaye ichaphazele ukwakheka kunye nokumanzi komphezulu, kwaye emva koko ngexesha lenkqubo yokuseta, i-polymer ikwanempembelelo engcono kwinkqubo yokufunxa amanzi kunye nokuncitshiswa kwesamente kwi-binder, eya kuncedisa ekuphuculeni Amandla e-Bond anceda ngcono.
Ukongeza umgubo welatex ophinda udibane kwi-mortar kunokuphucula kakhulu amandla okubopha nezinye izinto, kuba umgubo welatex ophilic hydrophilic kunye ne-liquid phase ye-samente suspension zingena kwi-pores kunye ne-capillaries ye-matrix, kwaye umgubo welatex ungena kwi-pores kunye ne-capillaries. Ifilimu yangaphakathi yenziwe kwaye inamathele ngokuqinileyo kumphezulu we-substrate, ngaloo ndlela iqinisekisa amandla amahle okubopha phakathi kwezinto ezisimende kunye ne-substrate.
Ukwenziwa ngcono komgubo we-latex ekusebenzeni komdaka kungenxa yokuba umgubo we-latex yi-polymer ephezulu yeemolekyuli enamaqela e-polar. Xa umgubo we-latex uxutywe namaqhekeza e-EPS, icandelo elingeyo-polar kwikhonkco eliphambili le-polymer yomgubo we-latex liya kwenzeka. Ukutsalwa ngokwasemzimbeni kuya kwenzeka nomphezulu ongeyo-polar we-EPS. Amaqela e-polar kwi-polymer ajongiswe ngaphandle kumphezulu wamaqhekeza e-EPS, ukuze amaqhekeza e-EPS atshintshe ukusuka kwi-hydrophobicity ukuya kwi-hydrophilicity. Ngenxa yokuguqulwa komphezulu wamaqhekeza e-EPS ngumgubo we-latex, isombulula ingxaki yokuba amaqhekeza e-EPS abonakala lula emanzini. Ukudada, ingxaki yokufakwa kwesamente enkulu. Ngeli xesha, xa isamente yongezwa kwaye ixutywe, amaqela e-polar afakwe kumphezulu wamaqhekeza e-EPS asebenzisana namaqhekeza esamente kwaye adibana ngokusondeleyo, ukuze ukusebenza komdaka we-insulation we-EPS kuphuculwe kakhulu. Oku kubonakala kwinto yokuba amaqhekeza e-EPS axutywa lula yi-cement paste, kwaye amandla okubopha phakathi kwezi zimbini aphucuke kakhulu.
Ixesha lokuthumela: Matshi-18-2023