Masana kimiyya daga Jamus da Netherland suna binciken sabbin abubuwan da suka dace da muhalliPLAkayan aiki.Manufar ita ce haɓaka kayan ɗorewa don aikace-aikacen gani kamar fitilolin mota, ruwan tabarau, robobi masu haske ko jagororin haske.A yanzu, waɗannan samfuran gabaɗaya an yi su ne da polycarbonate ko PMMA.
Masana kimiyya suna son nemo robobin da ya dogara da halittu don yin fitilun mota.Ya bayyana cewa polylactic acid abu ne mai dacewa da ɗan takara.
Ta wannan hanya, masana kimiyya sun warware matsaloli da dama da robobi na gargajiya ke fuskanta: na farko, mayar da hankalinsu ga albarkatun da ake sabunta su na iya rage matsi da danyen mai ke haifarwa a masana'antar robobi;na biyu, yana iya rage fitar da iskar carbon dioxide;na uku, wannan ya ƙunshi la'akari da dukan tsarin rayuwar abin duniya.
"Ba wai kawai polylactic acid yana da fa'ida ba dangane da dorewa, yana da kyawawan kaddarorin gani kuma ana iya amfani dashi a cikin bakan da ake gani na raƙuman ruwa na lantarki," in ji Dokta Klaus Huber, farfesa a Jami'ar Paderborn a Jamus.
A halin yanzu, ɗayan matsalolin da masana kimiyya ke shawo kan su shine aikace-aikacen polylactic acid a cikin filayen da ke da alaƙa da LED.An san LED a matsayin tushen haske mai inganci kuma mai dacewa da muhalli."Musamman, tsawon rayuwar sabis mai tsawo da kuma bayyane radiation, kamar shuɗi haske na LED fitilu, sanya babban buƙatu a kan kayan gani," in ji Huber.Wannan shine dalilin da ya sa dole ne a yi amfani da kayan aiki masu ɗorewa.Matsalar ita ce: PLA ya zama mai laushi a kusan digiri 60.Koyaya, fitilun LED na iya kaiwa yanayin zafi sama da digiri 80 yayin aiki.
Wani ƙalubale mai wahala shine crystallization na polylactic acid.Polylactic acid yana samar da crystallites a kusan digiri 60, wanda ke ɓatar da kayan.Masana kimiyya sun so nemo hanyar da za su guje wa wannan crystallization;ko don yin aikin crystallization mafi sarrafawa - don haka girman kristal da aka kafa ba zai shafi haske ba.
A cikin dakin gwaje-gwaje na Paderborn, masana kimiyya sun fara tantance kaddarorin kwayoyin halitta na polylactic acid don canza kaddarorin kayan, musamman yanayin narkewa da crystallization.Huber yana da alhakin bincika iyakar abin da ƙari, ko makamashin radiation, zai iya inganta kaddarorin kayan."Mun gina tsarin watsawa na haske na ƙananan kusurwa na musamman don wannan don nazarin tsarin kristal ko narkewa, hanyoyin da ke da tasiri mai mahimmanci akan aikin gani," in ji Huber.
Baya ga ilimin kimiyya da fasaha, aikin zai iya ba da fa'idodin tattalin arziki mai mahimmanci bayan aiwatarwa.Kungiyar na sa ran mika takardar amsarta ta farko a karshen shekarar 2022.
Lokacin aikawa: Nuwamba-09-2022