Masana Kimiyya na Jami'ar Zhejiang Sun Haɗa "Robobi Masu Lalacewa"

A ranar 8 ga Yuni, 2023, Farfesa Tang Ruikang da mai bincike Liu Zhaoming daga Sashen Kimiyyar Sinadarai a Jami'ar Zhejiang sun sanar da haɗa "roba mai laushi ta yumbu". Wannan sabon abu ne wanda ya haɗa tauri da laushi, tare da tauri kamar yumbu, tauri kamar roba, da kuma tauri kamar filastik.
Shin wannan filastik ne mai haske ko yumbu? Roba ce ta roba da ƙungiyar Jami'ar Zhejiang ta shirya.
"Robobi masu laushi na yumbu" shine karo na farko da aka gano haɗin mahaɗan halitta da mahaɗan Ionic marasa ƙarfi a matakin kwayoyin halitta, don samun sabbin kayayyaki masu halaye daban-daban da kayan da suka gabata. A cikin fahimta ta gargajiya, hanyoyin shirya kayan aiki a fannin sunadarai marasa ƙarfi da sinadarai masu ƙarfi sun bambanta gaba ɗaya. An ruwaito cewa "robobi masu laushi na yumbu" wanda aka polymered ta hanyar ƙwayoyin halitta masu haɗuwa a cikin dakin gwaje-gwaje ƙaramin jiki ne mai kama da maɓalli mai rawaya. A cikin ƙwayoyin halittarsa, hanyar haɗin ionic marasa ƙarfi da hanyar haɗin Covalent na halitta suna haɗuwa kuma suna haɗuwa, wanda ba wai kawai yana da halayen kayan da ba su da ƙarfi ba, har ma yana riƙe da halayen kayan halitta, kuma yana da takamaiman tauri da sassauci. Lokacin da aka yi amfani da wani ƙarfi na waje, kwarangwal mara ƙarfi na iya samar da tauri da ƙarfi; Lokacin da ƙarfin waje ya yi girma kuma nakasar roba ta faru, dukkan kwarangwal ɗin ya lalace, yana haifar da tasirin buffering; Bayan cire ƙarfin waje, kwarangwal ɗin halitta yana yin tasirin sake dawowa, yana maido da hanyar sadarwa zuwa yanayinta na asali. A da, haɗin organic-inorganic abu ne mai sauƙi, kamar zuba foda mara ƙarfi a cikin tsarin kwayoyin halitta da juyawa daidai. Idan ka raba Layer da Layer, matakin kwayoyin halitta har yanzu shine "kai naka ne, ni nawa ne", kawai cakuda biyun, "wannan gwajin ya samar da sabbin kwayoyin halitta waɗanda ba a da ba, sun sami sabon tsari, kuma sun karya shingen da ke tsakanin mahadi na halitta da mahaɗin Ionic mara tsari a sikelin kwayoyin halitta."
Masana kimiyya na Jami'ar Zhejiang sun kwatanta aikin wannan sabon abu da yumbu, roba, robobi, karafa, da sauransu. Ya sami maki mai yawa a cikin tauri, dawowa, ƙarfi, nakasa, da kuma iya sarrafawa. Ba wai kawai yana da tauri a matakin marmara ba, har ma yana da sassaucin roba da kuma ƙarfin filastik. Akwai kuma halaye waɗanda robobi na gargajiya ba su da su: ba sa laushi bayan dumamawa.