I-distrible polymer powder nezinye izibopho ze-inorganic (ezinjengesimende, i-lime evuthayo, i-gypsum, njll.) Futhi ama-agregates ahlukahlukene, ama-ether, ama-ether, ama-ejenti, njll.) Ahlanganiswe nodaka oluxutshwe ngokomzimba. Lapho udaka oluhlanganisiwe oluxutshwe namanzi, ngaphansi kwesenzo se-colloid evikela i-colloid kanye nokugunda kwemishini, izinhlayiya ze-latex powder zizohlakaza emanzini.
Ngenxa yezimpawu ezihlukile kanye nokuguqulwa kwe-latex ye-latex ngayinye ehlukanisiwe, lo mphumela uhlukile, abanye banomphumela wokuqhakambisa ukuhamba, kanti abanye banomphumela wokwanda kwe-thixotropy. Indlela yethonya layo ivela ezicini eziningi, kufaka phakathi nethonya le-latex powder ebudlelwaneni bamanzi ngesikhathi sokuhlakazeka, ithonya lokuvezwa okuhlukile kwe-tolloid ye-latex ngemuva kokuvikela i-colloid, nethonya lesimende neleso lamanzi. Ithonya lezinto ezilandelayo lifaka ithonya ekwandeni kokuqukethwe komoya kodaka kanye nokusatshalaliswa kwama-bubble amoya, kanye nethonya lezithasiselo zalo kanye nokuxhumana nezinye izithasiselo. Ngakho-ke, ukukhetha okwenziwe ngezifiso nokuhlukaniswai-polymer polymer powderkuyindlela ebalulekile yokuthinta ikhwalithi yomkhiqizo. Phakathi kwazo, umbono ovame kakhulu ukuthi i-polymer powder evuselelekayo ivame ukukhulisa okuqukethwe komoya kodaka, ngaleyo ndlela kuthathwe ukwakhiwa kodaka, kanye nokubonakala kwe-polymer powder, ikakhulukazi lapho kuvikelwa i-colloid. Ukwanda kwe-α kunikela ekuthuthukisweni kokubumbana kodaka lokwakha, ngaleyo ndlela kuthuthukise ukusebenziseka kodaka. Kamuva, udaka olumanzi oluqukethe i-latex powder dissaverity lusetshenziswa endaweni yomsebenzi. Ngokwehliswa komswakama emazingeni amathathu - ukumuncwa kwesendlalelo sesisekelo, ukusetshenziswa okuguquguqukayo komswakama ongaphezulu komoya, kancane kancane izinhlayiya zihlangana, ekugcineni ziba yifilimu eqhubekayo ye-polymer. Le nqubo yenzeka ikakhulukazi kuma-pores odaka nobuso bokuqina.
Kufanele kugcizelelwe ukuthi, ukuze kwenziwe le nqubo ingaphenduki, okungukuthi, lapho ifilimu ye-polymer ingaphinde idluliselwe phansi lapho ihlangana khona futhi ingenawo ama-polymer powder ahlukaniswe nohlelo lwefilimu le-polymer. Lokhu akuyona inkinga ohlelweni luka-Alkaline Cement Jaumer, ngoba luzotholwa yi-Alkali ekhiqizwe yi-hydration ka usimende, futhi ngasikhathi sinye, ama-adsorption wezinto ze-quartz azoyihlukanisa kancane ohlelweni ngaphandle kokuvikelwa kwe-hydrophilic. I-colloid, ifilimu elikungaphansi kwamanzi futhi yakhiwa ngokuhlakazeka kwesikhathi esisodwa se-latex ye-latex ye-latex, kungasebenza hhayi ngaphansi kwezimo ezomile, kodwa futhi nangaphansi kwezimo zokuntywiliselwa kwesikhathi eside emanzini. Kuzinhlelo ezingezona ze-alkaline, ezinjengezinhlelo ze-gypsum noma amasistimu anabahlali kuphela, ama-colloids avikelayo asakhona ngokwengxenye ye-polymer film yefilimu ethile, futhi njengoba lezi zinhlelo zisezisetshenzisweni zayo ezihlukile emanzini, futhi azithinti izinsiza zayo ezihlukile ze-polymer kulezi zinhlelo.
Isikhathi sePosi: Oct-24-2022