I-Emulsion kanye ne-latex powder ephinde ihlakazeke ingakha amandla aphezulu okubamba kanye namandla okubopha ezintweni ezahlukene ngemva kokwakheka kwefilimu, zisetshenziswa njenge-binder yesibili ku-mortar ukuze zihlanganiswe ne-inorganic binder cement, i-cement kanye ne-polymer ngokulandelana. Nikeza amandla ahambisanayo ukuze kuthuthukiswe ukusebenza kwe-mortar.
Ngokubheka isakhiwo esincane sezinto ezihlanganisiwe ze-polymer-cement, kukholelwa ukuthi ukungezwa kwe-latex powder ephinde ihlakazeke kungenza i-polymer ibe ifilimu futhi ibe yingxenye yodonga lwembobo, futhi kwenze i-mortar ibe yiyo yonke ngamandla angaphakathi, okuthuthukisa amandla angaphakathi e-mortar. Amandla e-polymer, ngaleyo ndlela kuthuthukiswe ukucindezeleka kokuhluleka kwe-mortar futhi kwandise ukucindezeleka kokugcina.
Isakhiwo esincane se-polymer esisesitsheni asikashintshi isikhathi eside, futhi sigcina ukubopha okuzinzile, amandla okuguquguquka nokucindezela, kanye nokungangeni kahle kwamanzi. Indlela yokwakheka kwempuphu ye-latex ephinde ihlakazeke emandleni ezinamathiseli zethayela ithole ukuthi ngemva kokuba i-polymer yomile ibe ifilimu, ifilimu ye-polymer yakha uxhumano oluguquguqukayo phakathi kwesitshezi nethayela ngakolunye uhlangothi, kanti ngakolunye uhlangothi, i-polymer esitsheni esisha Yandisa okuqukethwe komoya kwesitshezi futhi ithinte ukwakheka kanye nokumanzika kobuso, bese kuthi ngesikhathi senqubo yokusetha, i-polymer nayo ibe nethonya elingcono enqubweni yokumanzisa kanye nokuncishiswa kwesimende esisesitsheni, okuzosiza ekuthuthukiseni. Amandla e-Bond awusizo olungcono.
Ukwengeza i-latex powder ephinde ihlakazeke ku-mortar kungathuthukisa kakhulu amandla okubopha nezinye izinto, ngoba i-hydrophilic latex powder kanye nesigaba soketshezi sokumiswa kwe-cement singena ezimbotsheni nasezinkalweni ze-matrix, kanti i-latex powder ingena ezinkalweni nasezinkalweni ze-capillary. Ifilimu yangaphakathi iyakhiwa futhi inamathele ngokuqinile ebusweni be-substrate, ngaleyo ndlela iqinisekisa amandla amahle okubopha phakathi kwezinto ezisimende kanye ne-substrate.
Ukwenziwa ngcono kwempuphu ye-latex ekusebenzeni kahle kwe-mortar kungenxa yokuthi i-latex powder iyi-polymer ephezulu yama-molecule enamaqembu e-polar. Lapho i-latex powder ixutshwa nezinhlayiya ze-EPS, ingxenye engeyona i-polar eketangeni eliyinhloko le-latex powder polymer izokwenzeka. Ukumuncwa ngokomzimba kuzokwenzeka kanye nobuso obungeyona i-polar be-EPS. Amaqembu e-polar ku-polymer aqondiswe ngaphandle ebusweni bezinhlayiya ze-EPS, ukuze izinhlayiya ze-EPS zishintshe kusuka ekungangeni kwamanzi ziye ekungangeni kwamanzi. Ngenxa yokuguqulwa kobuso bezinhlayiya ze-EPS ngempuphu ye-latex, kuxazulula inkinga yokuthi izinhlayiya ze-EPS zivezwa kalula emanzini. Ukuntanta, inkinga yokufakwa okukhulu kwe-mortar. Ngalesi sikhathi, lapho i-samente ingezwa futhi ixutshwa, amaqembu e-polar afakwe ebusweni bezinhlayiya ze-EPS asebenzisana nezinhlayiya ze-samente futhi ahlangane eduze, ukuze ukusebenza kwe-EPS insulation mortar kuthuthukiswe kakhulu. Lokhu kubonakala eqinisweni lokuthi izinhlayiya ze-EPS zimanziswa kalula yi-cement paste, futhi amandla okubopha phakathi kwalezi zibili athuthukiswa kakhulu.
Isikhathi sokuthunyelwe: Mashi-18-2023