I-FATTEX evuselelayo ye-latex iyinto evame ukusetshenziswa kwe-organic gelling impahla, engasatshalaliswa ngokulinganayo emanzini ukwakha i-emulsion ngemuva kokuxhumana namanzi. Ukungeza i-latex ye-latex evuselelayo kungathuthukisa ukusebenza kokugcinwa kwamanzi kodaka olusanda kuxutshwa khona usimende, kanye nokusebenza kwebhondi, ukuguquguquka, ukungavikeleki kanye nokuphikiswa kokugqwala kodaka kosimende olukhuni. I-latex powder ishintsha ukuvumelana ngokuvumelana nokukhululeka kohlelo esimweni esimanzi sokuxuba, futhi ukuhlangana kuthuthukiswa ngokungeza i-latex powder. Ngemuva kokumiswa, ihlinzeka ungqimba olubushelelezi futhi oluminyene olubucayi ngamandla ahlanganayo, futhi kuthuthukisa umphumela wesihlabathi, amatshe amatshe nama-pores. , ukucebiswa kwifilimu e-interface, okwenza izinto ezibonakalayo ziguquguquke kakhulu, zinciphise ukucindezelwa kwe-elastic ngezinga elikhulu, futhi kunokumelana kwamanzi esiteji esizayo, futhi izinga lokushisa le-buffer kanye nokulimala kwezinto ezibonakalayo akuhambelani.
Ukwakheka kwefilimu eqhubekayo ye-polymer kubaluleke kakhulu ekusebenzeni kwama-polymer-syment porsers. Ngesikhathi sokusetha kanye nenqubo eqinile yokunamathisela kosenti, imithambo eminingi izokhiqizwa ngaphakathi, okuba yizingxenye ezibuthakathaka zokunamathisela kosenzi. Ngemuva kokungezwa kwe-latex ye-latex ye-latex, i-fleatx ye-latex izohlakazeka ngokushesha ibe yi-emulsion lapho ihlangana namanzi, futhi iqoqe endaweni ecebile yamanzi (okungukuthi, emgodini). Njengoba unamathisela usimende futhi uthuthukile, ukunyakaza kwezinhlayiya ze-polymer kuya ngokuya kukhawulelwe, kanye nokungezwani kwezingcweti phakathi kwamanzi nomoya kubaphoqa ukuba bavumelane kancane kancane. Lapho izinhlayiya ze-polymer zihlangana, inethiwekhi yamanzi iphuma ngama-capillaries, futhi i-polymer yakha ifilimu eqhubekayo ezungeze umgodi, iqinisa lezi zindawo ezibuthakathaka. Ngalesi sikhathi, ifilimu le-polymer alikwazi ukudlala nje ngendima ye-hydrophobic kuphela, kepha futhi lingavimbi i-capillary, ukuze impahla ine-hydrophopobicity enhle kanye nokuvunyelwa komoya.
Usimende usimende ngaphandle kwe-polymer uxhunyaniswe kakhulu ndawonye. Ngokuphambene nalokho, udaka olungisiwe we-polymer olushintshiwe lwenza lonke udaka luxhumeke kakhulu ngenxa yokuba khona kwefilimu le-polymer, ngaleyo ndlela ukuthola izakhiwo ezingcono zocansi kanye nokwenza ubulili bezinsuku zonke. Ku-latex powder modefied usimende udaka, i-latex powder izokwandisa i-porosion yensimbi yokunamathisela, kepha yehlisa i-porotifa ye-conferance yokushintsha phakathi kwesimende unamathisele usimende kanye ne-aggregate, okuholela ekuzuleni okuphelele kodaka kungashintshiwe. Ngemuva kokuthi i-latex powder yakhiwa kwifilimu, ingavimba kangcono ama-pores ku-datar, enze ukwakheka kwendawo yokuguqula isisindo phakathi kwesithasiselo sensimbi nokuphikiswa kodaka okulungisiwe, kanye nokuphikiswa kwe-latex powder eshintshiwe , kanye nekhono lokumelana nokuguguleka kwemidiya elilimazayo kuyathuthukiswa. Inomthelela omuhle ekuthuthukiseni ukuqina kodaka.
Isikhathi sePosi: Mar-14-2023