I-Redispersible polymer powder (RDP) iyi-polymer emulsion ye-powder encibilika emanzini. Le nto isetshenziswa kabanzi embonini yokwakha, ikakhulukazi njenge-binder yesamente nezinye izinto zokwakha. Amandla e-bond e-RDP ayipharamitha ebalulekile ekusetshenzisweni kwayo njengoba ithinta ngqo izakhiwo zomkhiqizo wokugcina. Ngakho-ke, kubalulekile ukuba nendlela yokuhlola enembile nethembekile yokukala amandla e-bond e-RDP.
Izindlela Zokuhlola
Izinto
Izinto ezidingekayo ukwenza lolu vivinyo yilezi ezilandelayo:
1. Isibonelo se-RDP
2. I-substrate ye-aluminium eqhunyiswe ngesihlabathi
3. Iphepha elifakwe i-resin (ubukhulu obungu-300um)
4. Ingcina esekwe emanzini
5. Umshini wokuhlola i-Tensile
6. I-caliper yeVernier
uhlelo lokuhlola
1. Ukulungiswa kwamasampula e-RDP: Amasampula e-RDP kufanele alungiswe ngamanzi afanele njengoba kuchaziwe umenzi. Amasampula kufanele alungiswe ngokwezidingo zokufaka isicelo.
2. Ukulungiswa kwe-substrate: I-substrate ye-aluminium ngemuva kokuqhumisa isihlabathi kufanele ihlanzwe futhi yomiswe ngaphambi kokusetshenziswa. Ngemva kokuhlanza, ubulukhuni bomphezulu kufanele bulinganiswe nge-vernier caliper.
3. Ukusetshenziswa kwe-RDP: I-RDP kufanele ifakwe ku-substrate ngokwemiyalelo yomenzi. Ubukhulu befilimu kufanele bulinganiswe kusetshenziswa i-vernier caliper.
4. Ukwelapha: I-RDP kufanele iphulukiswe ngaphakathi kwesikhathi esishiwo umenzi. Isikhathi sokwelapha singahluka kuye ngohlobo lwe-RDP esetshenzisiwe.
5. Ukusetshenziswa kwephepha elifakwe i-resin: Iphepha elifakwe i-resin kufanele lisikwe libe yimichilo enobukhulu nobume obufanele. Iphepha kufanele limbozwe ngokulinganayo nge-glue esekelwe emanzini.
6. Ukunamathelisa imichilo yephepha: Imichilo yephepha enamathiselwe nge-adhesive kufanele ibekwe ku-substrate enamathiselwe nge-RDP. Ukucindezela okuncane kufanele kufakwe ukuqinisekisa ukubopha okufanele.
7. Ukwelapha: I-glue kufanele iphulukise ngaphakathi kwesikhathi esichazwe umenzi.
8. Ukuhlolwa kokudonsa: Faka isampula emshinini wokuhlola ukudonsa. Amandla okudonsa kufanele aqoshwe.
9. Ukubala: Amandla esibopho se-RDP kufanele abalwe njengamandla adingekayo ukuhlukanisa i-substrate eboshwe yi-RDP kwitheyiphu yephepha ehlukaniswe indawo engaphezulu ye-substrate eboshwe yi-RDP.
Ekuphetheni
Indlela yokuhlola iyindlela elula nengabizi kakhulu yokulinganisa amandla ebhondi ye-RDP. Le ndlela ingasetshenziswa ocwaningweni nasezindaweni zezimboni ukuqinisekisa ukusebenza kahle kwe-RDP kusimende nakwezinye izinto zokwakha. Ukusebenzisa le ndlela kungasiza ekuthuthukiseni ukulawulwa kwekhwalithi kanye nokuthuthukiswa komkhiqizo embonini yokwakha.
Isikhathi sokuthunyelwe: Septhemba-05-2023