I-Redispersible latex Powder (RDP) iwumkhiqizo oguqula i-polymer emulsion ibe yimpushana egeleza mahhala ngokusebenzisa ubuchwepheshe bokumisa isifutho. Uma i-powder ixubene namanzi, ivuselela i-latex futhi inezakhiwo ezifana ne-emulsion yasekuqaleni. Ngenxa yalesi sici esiyingqayizivele, impushana ye-latex ehlakazeka kabusha iye yasetshenziswa kabanzi ezintweni zokwakha, izinto zokunamathisela, okokumboza neminye imikhakha.
1. Izinzuzo ze-latex powder ehlakazeka kabusha
Thuthukisa ukusebenza komkhiqizo I-Redispersible latex powder ingathuthukisa ngokuphawulekayo amandla aqinile, amandla aguquguqukayo namandla okubopha kwezinto ezisekelwe kusimende. Lokhu kungenxa yokuthi i-latex powder ingakha ifilimu ye-polymer eqhubekayo ngesikhathi senqubo ye-cement hydration, ithuthukise ukuminyana nokuqina kwento, ngaleyo ndlela ithuthukise ukusebenza okuphelele. Isibonelo, ku-adhesive tile, ukwengeza i-latex powder kungathuthukisa amandla ayo okubopha futhi kuvimbele ukuwa kwamathayili.
Ukumelana nokuqhekeka okuthuthukisiwe kanye nokungafinyeleli Ezintweni zokwakha, ukumelana nokuqhekeka nokungafinyeleli kuyizinkomba zokusebenza ezibaluleke kakhulu. I-latex powder e-redispersible ingagcwalisa ngokuphumelelayo ama-capillary pores endabeni ngokwenza ifilimu ye-polymer, ukunciphisa ukungena kwamanzi nokuthuthukisa ukungakwazi ukungena. Ngesikhathi esifanayo, ukuqina kwefilimu ye-polymer nakho kunganciphisa noma kuvimbele ukuthuthukiswa kwama-microcracks, ngaleyo ndlela kuthuthukise ukumelana nokuqhekeka. Ngakho-ke, i-latex powder isetshenziswa kabanzi ezinhlelweni zokufakwa odongeni zangaphandle nezinto eziphansi.
Ukusebenza kokwakhiwa okuthuthukisiwe: Njengoba i-latex powder ehlakazeka kabusha inokuphinda ihlakazeke futhi inamathele kahle, ingathuthukisa ukuthambisa nokusebenza kwezinto zokwakha phakathi nenqubo yokwakha, yenze izinto zibe lula ukusabalala nokusetshenziswa. Ngaphezu kwalokho, i-latex powder ingabuye yandise isikhathi sokuvula sezinto ezibonakalayo (okungukuthi, isikhathi lapho izinto zihlala zisebenza ngesikhathi sokwakhiwa), ukuthuthukisa ukusebenza kahle kokwakhiwa, nokunciphisa ukuchithwa kwezinto ezibonakalayo.
Ukuqina okuthuthukisiwe Ifilimu ye-polymer eyakhiwe ngempushana ye-latex ehlakazeka kabusha inokumelana nokuguga okuhle kanye nokumelana nesimo sezulu. Ingakwazi ukuvimbela ngempumelelo ithonya lemisebe ye-ultraviolet, ukugqwala kwe-asidi kanye ne-alkali nezinye izici zemvelo, ngaleyo ndlela kwandise impilo yesevisi yezinto ezibonakalayo. Isibonelo, ukwengeza i-latex powder kumapende odonga angaphandle kungamelana ngempumelelo nesimo sezulu nokuguguleka kwemvula, futhi kugcine ubuhle nokusebenza kwendawo yesakhiwo.
Ukuvikelwa kwemvelo nokusimama I-Redispersible latex powder ivame ukukhiqizwa ngokusekelwe kumithombo evuselelekayo futhi ayikhiphi izinto eziyingozi ngesikhathi sokusetshenziswa, okuhambisana nomkhuba wamanje wokuthuthukiswa kwezinto zokwakha eziluhlaza. Ngaphezu kwalokho, ukusebenza kwayo okuhle kakhulu kuvumela ukushuba kanye nenani lezinto zokwakha kuncishiswe, ngaleyo ndlela kuncishiswe ukusetshenziswa kwezinsiza kanye nomthwalo wemvelo.
2. Izinselelo zempushana ye-latex ehlakazeka kabusha
Izindleko zokukhiqiza ziphezulu. Inqubo yokukhiqiza ye-latex powder ephindwe kabusha iyinkimbinkimbi futhi idinga izinqubo eziningi ezifana ne-emulsion polymerization kanye nokomisa isifutho. Ikakhulukazi ohlelweni lokumisa isifutho, inani elikhulu lamandla liyasetshenziswa, ngakho-ke izindleko zayo zokukhiqiza ziphezulu. Lokhu kubangele ukusetshenziswa okulinganiselwe kwempushana ye-latex ehlakazeka kabusha kwamanye amaphrojekthi wokwakha angabizi kakhulu.
Izwela izimo zemvelo Redispersible latex powder izwela izimo zemvelo ezifana nezinga lokushisa kanye nomswakama. Ngesikhathi sokugcina nokuthutha, uma umswakama uphezulu kakhulu noma izinga lokushisa lingalungile, i-latex powder ingase ihlanganise noma yehluleke, okuzothinta ukusebenza kwayo kokusabalalisa kabusha kanye nomphumela wokugcina wokufaka isicelo. Ngakho-ke, inezidingo eziphezulu ezimweni zokuyigcina futhi idinga ukugcinwa endaweni eyomile nepholile.
Imikhawulo yomphumela wokuhlakazeka Nakuba i-latex powder ehlakazeka kabusha ingaphinde ihlakazwe emanzini, umphumela wayo wokuhlakazeka usasilele ngemuva kwalowo we-emulsion yasekuqaleni. Uma ikhwalithi yamanzi iphansi (njengamanzi aqinile noma iqukethe ukungcola okuningi), ingase ithinte ukuhlakazeka kwe-latex powder futhi ivimbele ukusebenza kwayo ukuthi kubonakale ngokugcwele. Ngakho-ke, ekusetshenzisweni kwangempela, kungase kudingeke ukuthi kusetshenziswe izithasiselo ezikhethekile noma ukulungisa ikhwalithi yamanzi ukuze kuqinisekiswe imiphumela engcono kakhulu.
Ukuqwashisa ngezimakethe nokukhuthazwa kwezicelo Njengento entsha uma kuqhathaniswa, impushana ye-latex ehlakazeka kabusha inokuqwashisa okuphansi kwamanye amazwe asathuthuka noma izimakethe, futhi ukukhuthazwa kwayo nokusebenzisa kungaphansi kwemikhawulo ethile. Naphezu kokusebenza kwayo okuphezulu, ezinye izinkampani zokwakha zendabuko ziyamukeleka kancane ngenxa yezindleko eziphezulu zokukhiqiza nezintengo. Isikhathi nemfundo yemakethe kusadingeka ukuze kuguqulwe lesi simo esikhona.
Ukuncintisana Kwezinto Ezihlukile Ngokuthuthuka kwesayensi yezinto zokwakha, ezinye izinto ezintsha zihlala zivela emakethe. Lezi zinto ezintsha zingabonisa ukusebenza okuphezulu noma izindleko eziphansi kunempushana ye-latex ehlakazeka kabusha kwezinye izici, okuletha izinselele kusabelo semakethe se-latex powder. Ukuze zihlale zincintisana, izinkampani ezikhiqizayo zidinga ukuqhubeka zithuthukisa ukusebenza komkhiqizo kanye nokulawula izindleko.
Njengento esebenzayo ye-polymer, i-latex powder ephindwe kabusha ibonise izinzuzo ezibalulekile emkhakheni wezinto zokwakha, ikakhulukazi ekuthuthukiseni ukusebenza kwezinto ezibonakalayo, ukuthuthukisa ukwakheka nokuthuthukisa ukuqina. Kodwa-ke, izindleko zayo eziphezulu zokukhiqiza, ukuzwela izimo zemvelo kanye nezinselele zokumaketha azikwazi ukushaywa indiva. Ngokuzayo, ngokuthuthuka kobuchwepheshe nokuvuthwa kwemakethe, impushana ye-latex edispersible kulindeleke ukuthi isetshenziswe emikhakheni eminingi, futhi izindleko zayo nokusebenza kuzophinde kuthuthukiswe, ngaleyo ndlela kudlale indima enkulu emkhakheni wezinto zokwakha. .
Isikhathi sokuthumela: Sep-03-2024