Impilo igcwele ukupakishwa okucwebezelayo, amabhodlela okuhlobisa, izitsha zezithelo nokunye okuningi, kodwa eziningi zazo zenziwe ngezinto ezinobuthi nezingenaso isisekelo ezifaka isandla ekungcoleni kwepulasitiki.
Muva nje, abacwaningi eNyuvesi yaseCambridge e-UK bathole indlela yokudala i-glitter esimeme, engenabuthi futhi ebolayo evela ku-cellulose, isakhiwo esiyinhloko sezindonga zamaseli zezitshalo, izithelo nemifino. Amaphepha ahlobene ashicilelwe kumagazini i-Nature Materials ngomhlaka-11.
Yenziwe ngama-nanocrystals e-cellulose, le glitter isebenzisa umbala wesakhiwo ukushintsha ukukhanya ukuze ikhiqize imibala egqamile. Ngokwesibonelo, emvelweni, ukukhanya kwamaphiko evemvane kanye nezimpaphe zepikoko kuyizinto ezinhle kakhulu zombala wesakhiwo, ezingeke ziphele ngemva kwekhulu leminyaka.
Besebenzisa amasu okuzihlanganisa, i-cellulose ingakhiqiza amafilimu anombala ogqamile, kusho abacwaningi. Ngokwenza ngcono isisombululo se-cellulose kanye nemingcele yokumboza, ithimba locwaningo likwazile ukulawula ngokugcwele inqubo yokuzihlanganisa, okuvumela ukuthi izinto zikhiqizwe ngobuningi emiqulwini. Inqubo yabo iyahambisana nemishini ekhona yezimboni. Besebenzisa izinto ze-cellulosic ezitholakala kwezentengiselwano, kuthatha izinyathelo ezimbalwa kuphela ukuguqula zibe yi-suspension equkethe le glitter.
Ngemva kokukhiqiza amafilimu e-cellulose ngezinga elikhulu, abacwaningi bawagaya abe yizinhlayiya ezinobukhulu bazo ezisetshenziselwa ukwenza i-glitter noma i-effect pigments. Ama-pellets ayabola, awanayo ipulasitiki, futhi awanobuthi. Ngaphezu kwalokho, le nqubo ayidingi amandla amaningi kunezindlela ezivamile.
Izinto zabo zingasetshenziswa ukufaka esikhundleni sezinhlayiya zepulasitiki ezicwebezelayo kanye nemibala emincane yamaminerali esetshenziswa kakhulu ezimonyweni. Imibala yendabuko, njengempuphu ye-glitter esetshenziswa nsuku zonke, iyizinto ezingagcineki futhi ingcolisa inhlabathi nolwandle. Ngokuvamile, amaminerali e-pigment kumele ashiswe ekushiseni okuphezulu okungu-800°C ukuze akhe izinhlayiya ze-pigment, okuyinto engahambisani nendawo yemvelo.
Ifilimu ye-cellulose nanocrystal elungiselelwe yithimba ingakhiqizwa ngezinga elikhulu kusetshenziswa inqubo "yokugoqa ukuze ugoqe", njengoba nje iphepha lenziwa ngokhuni, okwenza lokhu kube yinto yezimboni okokuqala.
EYurophu, imboni yezimonyo isebenzisa amathani angaba ngu-5,500 epulasitiki amancane minyaka yonke. Umbhali omkhulu waleli phepha, uSolwazi Silvia Vignolini, ovela eMnyangweni WezeKhemistri kaYusuf Hamid eNyuvesi yaseCambridge, uthe bakholelwa ukuthi lo mkhiqizo ungaguqula imboni yezimonyo.
Isikhathi sokuthunyelwe: Novemba-22-2022