Njengengxenye ebalulekile yezinto zokwakha zesimanje, izimpushana ze-polymer eziphinde zihlakazeke (RDP) zidlala indima ebalulekile ezisetshenzisweni eziningi ezifana nezimbotshana, ama-putties, ama-grout, izinamathiseli zamathayili kanye nezinhlelo zokushisa. Amandla okwenza ifilimu e-RDP ayisici esibalulekile esithinta ikhwalithi yomkhiqizo wokugcina. Ukuhlakazeka kabusha kwezimpushana ngemva kokugcinwa, ukuthuthwa kanye nokuhlanganiswa kubalulekile. Yingakho izindlela zokuhlola ezinemininingwane neziqinile zibalulekile ukuqinisekisa ukufaneleka nokusebenza kahle kwemikhiqizo ye-RDP.
Enye yezivivinyo ezibaluleke kakhulu zekhono lokwenza ifilimu ye-RDP yindlela yokuhlola ifilimu yokwenza ifilimu ye-emulsion powder ephinde ihlakazeke. Le ndlela yokuhlola isetshenziswa kabanzi ekuhlolweni kwekhwalithi yomkhiqizo kanye nenqubo ye-R&D yemikhiqizo ye-RDP. Indlela yokuhlola yokwenza ifilimu ye-powder polymer ephinde ihlakazeke iyindlela yokuhlola elula nelula, engahlola ngempumelelo ikhono lokwenza ifilimu lemikhiqizo ye-RDP.
Okokuqala, ukuphindeka kabusha kwempuphu kufanele kuhlolwe ngaphambi kokuhlolwa kokwakheka kwefilimu. Ukuxuba impuphu namanzi nokuxuba ukuze kuphinde kuhlakazwe izinhlayiya ze-polymer kuqinisekisa ukuthi impuphu isebenza ngokwanele esivivinyweni.
Okulandelayo, indlela yokuhlola i-Powder Redispersible Polymer Powder Film Formation ingaqalwa. Kudingeka izinga lokushisa elibekiwe kanye nomswakama ohlobene ukuze kulondolozwe indawo ezinzile ukuze ifilimu iphole kahle. Izinto ezisetshenziswayo zifafazwa ku-substrate ngobukhulu obuchazwe ngaphambilini. Izinto ezisetshenziswayo zizoncika ezidingweni zokusetshenziswa. Isibonelo, ukufakwa kukadoti kungadinga i-substrate ekhonkrithi. Ngemva kokufafaza, izinto ezisetshenziswayo zivunyelwe ukuba zome isikhathi esithile, ngemva kwalokho ikhono lokwenza ifilimu lingahlolwa.
Indlela Yokuhlola Ifilimu Yokwakheka Kwefilimu Yokubumbana Kwe-Powder Redispersible Emulsion Powder ihlola izici eziningana. Lokhu kufaka phakathi ukuphela kwendawo, ukunamathela kanye nokuguquguquka kwefilimu. Ukuphela kwendawo kungahlolwa ngokubona ngokuhlola noma kusetshenziswa imakroskopu. Ukunamathela kwefilimu ku-substrate kunqunywe kusetshenziswa isivivinyo setheyiphu. Ukunamathela okwanele kuboniswa lapho ucezu lwetheyiphu lufakwa entweni ethile futhi ifilimu ihlala inamathele ku-substrate ngemva kokuba itheyiphu isusiwe. Ukuguquguquka kwefilimu kungahlolwa futhi kusetshenziswa isivivinyo setheyiphu. Yelula ifilimu ngaphambi kokususa itheyiphu, uma ihlala inamathele ku-substrate, kubonisa izinga elifanele lokuguquguquka.
Kubalulekile ukulandela izinqubo zokuhlola ezifanele ukuqinisekisa imiphumela ehambisanayo. Izici eziningana zokuhlolwa kokwakheka kwefilimu kufanele zilinganiswe ukuze kuqedwe ukuhlukahluka phakathi kwamaqoqo okuhlola ahlukene. Lokhu kufaka phakathi izinqubo zokulungiselela, izinga lokushisa, umswakama, ukujiya kokusetshenziswa kanye nesikhathi sokupholisa. Ukuhlolwa kwetheyiphu nakho kudinga ukwenziwa ngokucindezela okufanayo ukuze kutholakale imiphumela efanayo. Ngaphezu kwalokho, imishini yokuhlola kufanele ilinganiswe ngaphambi kokuhlolwa. Lokhu kuqinisekisa ukulinganisa okunembile nokunembile.
Okokugcina, ukuhumusha okunembile kwemiphumela ye-Powder Redispersible Emulsion Powder Film Formation Method kubaluleke kakhulu. Imiphumela etholwe yindlela yokuhlola ukwakheka kwefilimu kufanele iqhathaniswe nezindinganiso ezimisiwe zokusetshenziswa kwezinto ezithile. Uma ifilimu ihlangabezana nezidingo kanye nemininingwane, ikhwalithi yayo ibhekwa njengeyamukelekayo. Uma kungenjalo, umkhiqizo ungadinga ukuhlungwa okwengeziwe noma ukuguqulwa ukuze kuthuthukiswe izakhiwo zawo zokwenza ifilimu. Imiphumela yokuhlola ingasiza futhi ekuxazululeni izinkinga nasekuboneni noma yiziphi izinkinga zokukhiqiza noma amaphutha omkhiqizo.
Ngamafuphi, indlela yokuhlola ukwakheka kwefilimu ye-polymer powder ehlakazekayo idlala indima ebalulekile ekunqumeni ukusebenza kahle komkhiqizo we-polymer powder ehlakazekayo. Njengenye yezingxenye ezibalulekile zezinto zokwakha zesimanje, ikhono lokwenza ifilimu le-RDP libalulekile ekusebenzeni kwayo. Ukuqinisekisa ukuthi ikhono lokwenza ifilimu le-RDP lihlangabezana nezakhiwo ezifiselekayo kubalulekile ekwenzeni ngcono ukusebenza kanye nesikhathi sokuphila komkhiqizo wokugcina. Ukunamathela kahle ezinqubweni zokuhlola kubalulekile ekutholeni imiphumela ehambisanayo. Ukuchazwa okufanele kwemiphumela yokuhlolwa kunganikeza nokuqonda okubalulekile ekwakhiweni nasekukhiqizweni kwemikhiqizo ye-RDP esezingeni eliphezulu.
Isikhathi sokuthunyelwe: Julayi-03-2023