Indlela Yokuhlola Ikhwalithi Ye-Re-Dispersible Polymer Powder

Ukuhlolwa kwekhwalithi yempuphu ye-polymer ehlakazeka kabusha (RDP) kubalulekile ukuqinisekisa ukuthi ihlangabezana nezindinganiso kanye nezincazelo ezidingekayo zezinhlelo zokusebenza ezahlukahlukene, njengezinto zokwakha ezifana nezinamathiselo zamathayili, izimbotshana, kanye nama-membrane okuvimbela amanzi. Nazi ezinye izindlela zokuhlola ikhwalithi ezivamile zempuphu ye-polymer ehlakazeka kabusha:

1.Ukuhlaziywa Kosayizi Wezinhlayiyana: Ukusatshalaliswa kosayizi wezinhlayiya kuthinta ngqo ukusebenza kwe-RDP maqondana nokusabalala, ukwakheka kwefilimu, kanye nezakhiwo zemishini. Amasu okusebenzisa i-laser diffraction, sedimentation, noma microscopy angasetshenziswa ukukala ukusatshalaliswa kosayizi wezinhlayiya ze-RDP.

2.Ubuningi obukhulu: Ubuningi be-bulk buyipharamitha ebalulekile ethonya ukuphathwa, ukuthuthwa, kanye nokuxuba izakhiwo ze-RDP. Ngokuvamile kulinganiswa ngokugcwalisa ivolumu eyaziwayo ye-RDP esitsheni bese kulinganiswa ubunzima bayo. Ubuningi be-bulk bube sebubalwa ngokuhlukanisa ubunzima ngevolumu.

3.Okuqukethwe Okuqinile: Okuqukethwe okuqinile kwe-RDP kubhekisela kumaphesenti ezinto eziqinile ze-polymer ku-powder. Ngokuvamile kunqunywa ngokomisa isisindo esaziwayo se-RDP ekushiseni okucacisiwe bese kulinganiswa isisindo esisele. Okuqukethwe okuqinile kubalwa ngokusekelwe ekulahlekelweni kwesisindo ngesikhathi sokomisa.

4.Izinga Lokushisa Lokuguquka Kwengilazi (Tg): I-Tg ye-RDP iyinkomba yokuqina kwayo kokushisa futhi ithonya izimo zayo zokugcina nokucubungula. I-Differential scanning calorimetry (DSC) noma i-dynamic mechanical analysis (DMA) ingasetshenziswa ukunquma i-Tg ye-RDP.

5.Ukuqaqamba Kokuhlakazwa Kwe-RDP: Ukuqina kokusabalalisa kwe-RDP kubalulekile ezimpahleni zayo zokusetshenziswa, njengokusebenziseka kalula, isikhathi sokuvula, kanye nokumelana nokuwa. Kungalinganiswa kusetshenziswa i-viscometer noma i-rheometer ngaphansi kwezimo zokugunda ezilawulwayo.

6.Ukwakhiwa Kwamafilimu Nokunamathela: Amandla okwakheka kwefilimu kanye namandla okunamathela e-RDP kubalulekile ekusebenzeni kwayo ezintweni zokwakha. Izindlela ezifana nokuhlolwa kokwakheka kwefilimu, ukuhlolwa kokunamathela kwe-peel, kanye nokuhlolwa kokunamathela kungasetshenziswa ukuhlola lezi zakhiwo.

7.Ukuhlaziywa Kokwakheka KwamakhemikhaliAmasu anjenge-Fourier-transform infrared spectroscopy (FTIR) noma i-nuclear magnetic resonance (NMR) spectroscopy angasetshenziswa ukuhlaziya ukwakheka kwamakhemikhali kwe-RDP nokuqinisekisa ukuvumelana kwayo nobumsulwa bayo.

8.Ukuhlolwa Kokumelana Namanzi: I-RDP ivame ukusetshenziswa ezisetshenziswayo lapho ukumelana namanzi kubalulekile khona, njengokuvimbela amanzi. Ukumelana namanzi kungahlolwa ngokwenza izivivinyo ezifana nokuhlolwa kokucwiliswa emanzini noma izivivinyo zokudluliselwa komphunga wamanzi ezintweni eziqukethe i-RDP.

Lezi ezinye zezindlela zokuhlola ikhwalithi ezivamile ezisetshenziswa ku-re-dispersible polymer powder. Kuye ngezidingo ezithile zokusetshenziswa kanye nezindinganiso/imithethonqubo ekhona, kungase kudingeke ukuhlolwa okwengeziwe ukuqinisekisa ikhwalithi kanye nokusebenza kwemikhiqizo ye-RDP.