Ngomhlaka-13 Meyi 2020, i-Antarctic Bear yathola kwabezindaba zangaphandle ukuthi abacwaningi base-Taiwan's National Central University benze ingilazi ye-emulsion eziphilisayo ukumelana nemisebe ye-ultraviolet nokushisa. Izici zalo zenza lolu ketshezi luqine (i-LLS) into esekelayo efanelekile, engabhala ngokuqondile "i-3D" i-ultraviolet kanye noyinki wokupholisa oshisayo (owaziwa nangokuthi ama-resin) kuwo, ngaphandle kokuqinile kwe-LLS ezungezile.

Okuqinile okuwuketshezi kanye "nokubhala kwe-3D"

Ngokusho kwabacwaningi, izinto ze-LLS zingasetshenziswa njengendlela eqinile yokweseka i-inki ewuketshezi. Asetshenziselwa ukulungisa uyinki lapho uyinki uqina futhi usize ukugcina i-geometry oyifunayo. Uma ingekho i-medium esekelayo, amandla adonsela phansi kanye nokungezwani kwangaphezulu kukayinki kuzobangela uketshezi ukuthi lungazinzi.

Isibonelo, i-PDMS iyi-elastomer ene-biocompatibility, non-toxicity kanye nokuhlanzeka kokubona, okwenza kube usizo kakhulu kumafutha kanye nama-defoamers. Ngaphandle kwe-UV kanye nezindawo zokuphulukisa ezishisayo, ukusetshenziswa kwayo kukhawulelwe kuhlobo loketshezi ngenxa ye-viscosity yayo ephansi kakhulu ye-prepolymer kanye nesikhathi eside sokwelapha. Ngakho-ke, ngokwayo, ayikwazi ukugcina isimo esidingekayo se-3D isikhathi eside, ngakho-ke kunzima ukwenza ukuphrinta kwe-3D. Muva nje, le nkinga isixazululiwe. Le nkinga ingaxazululwa ngokubhala i-PDMS enguketshezi ku-LLS insulation medium, ukumisa okwesikhashana nokuqinisa.

Ingilazi ye-latex yokuziphilisa

Ukuze kuthuthukiswe isizukulwane esilandelayo semidiya yokusekela, ithimba labacwaningi laqala laxuba amafutha abicah akhiwe ngokukhethekile ne-sorbitol namanzi ukuze kwakhe isixazululo esimanzi. Bakhiphe uhlobo "lwengilazi yobisi ezinzile" futhi bayisebenzisa njengendawo yokuhlola yosekelo.

Ithimba likhethe ukusebenzisa i-PDMS elastomer njengoyinki, liyibhale engilazini eyenziwe nge-emulsified nge-3D futhi liyiqinise. Idivayisi yokubhala ye-3D iyiphampu yesirinji enobubanzi benozzle engu-1.83 mm.

Isakhiwo se-3D samodelwa futhi sabhalwa kumasampuli engilazi e-emulsified, elashwe ngokushisa nokukhanya kwe-ultraviolet ukufakazela ukufaneleka kwengilazi njengento esekelayo. Ngesikhathi senqubo yokwelapha ye-UV, isibani se-UV esingu-365 nm sasetshenziselwa ukukhanyisa imizuzwana engu-60, futhi phakathi nenqubo yokwelapha ngokushisa, isampula yengilazi e-emulsified yashiswa kuhhavini engu-100 ° C ihora elingu-1. Ngisho nangemva kokuchayeka kwe-UV nokushisa okuyisithupha, ingilazi efakwe emulsified isalondoloza ubuqotho besakhiwo, iyenza imelane nemisebe ye-UV nokushisa.

Isakhiwo esivunguzayo se-PDMS esiphrintiwe se-3D, umthombo wesithombe: Inyuvesi Kazwelonke Emaphakathi

Abacwaningi bakholelwa nokuthi ukwakheka kwamaconsi kawoyela aminyene ku-matrix yamanzi kunikeza ingilazi ukunwebeka okuqine ngokwedlulele. Lokhu kuhumusha kuhlobo lwekhono "lokuziphilisa", noma yiziphi izimbobo noma ukusikeka okwenziwe engilazini kuzovala ngokuzenzakalelayo.

Enqubweni yokusebenzisa ingilazi ukusiza ukuphrinta kwe-3D kososayensi baseTaiwan, abanye abacwaningi baye benza igxathu elingaphezulu futhi benza ingilazi ephrintekayo ye-3D. Ekupheleni konyaka odlule, iqembu lososayensi abavela eSwiss Federal Institute of Technology eZurich (ETH Zürich) 3D lanyathelisa isakhiwo sengilazi lisebenzisa i-resin eguquliwe kanye nobuchwepheshe bokuphrinta be-DLP 3D. Izingxenye zengilazi eziphrintiwe zinokulungiswa okuphezulu kwendawo kanye nezinhlobonhlobo zamakhemikhali e-oxide.

Xhumanisa nale ndatshana: Ingasetshenziswa njengendlela yokusekela yokuphrinta ye-3D ukuzilungisa ingilazi yobisi

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