Bafuputsi ba thehile "polyurethane elastomer" e ncha e thehiloeng ho ascorbic acid-derived dynamic covalent adaptive network (A-CCANs). Ka ho sebelisa phello ea synergistic ea keto-enol tautomerism le li-carbamate bond tse matla, thepa e finyella thepa e ikhethang: mocheso oa ho senyeha ha mocheso oa 345 ° C, khatello ea fracture ea 0.88 GPa, matla a 268.3 MPa (ho monya matla a 68.93 MPA), le absorption ea 68.93 ka tlase ho 68.93 M. 0.02 ka mor'a lipotoloho tse 20,000. E boetse e bonts'a ho ipholisa ka mor'a metsotsoana le ts'ebetso ea ho e sebelisa hape e fihlang ho 90%, e fana ka tharollo ea katleho bakeng sa lits'ebetso tsa lisebelisoa tse bohlale le lisebelisoa tsa meralo.
Boithuto bona bo matla bo thehile marang-rang a dynamic covalent adaptive network (A-CCANs) a sebelisa ascorbic acid e le motheo oa moaho. Ka keto-enol tautomerism e hlophisitsoeng hantle le li-bond tse matla tsa carbamate, ho ile ha bōptjoa polyurethane elastomer e sa tloaelehang. Thepa e bonts'a polytetrafluoroethylene (PTFE) -e kang mocheso oa mocheso-o nang le mocheso oa ho senyeha ha mocheso o phahameng ho feta 345 ° C-ha o ntse o bontša ho leka-lekana ho tsitsitseng le ho feto-fetoha ha maemo: khatello ea 'nete ea fracture ea 0.88 GPa, le bokhoni ba ho boloka khatello ea kelello ea 268.3 MPa tlas'a 99.9% compression tlas'a 99.9%. MJ·m⁻³ ea matla. Ho khahlisang le ho feta, thepa e bonts'a khatello e setseng e ka tlase ho 0.02% ka mor'a lipotoloho tse 20,000 tsa mochini, ho ipholisa ka motsotsoana o le mong, 'me ho fihlela katleho ea 90%. Leano lena la moralo, le fihlelang maele a "ho ba le tlhapi le maroo a bere," le fana ka tharollo ea phetoho bakeng sa lits'ebetso tse joalo ka liaparo tse bohlale le lisebelisoa tsa ho phopholetsa sefofane, moo matla a mochini le ho tšoarella ha tikoloho li leng bohlokoa.
Nako ea poso: Aug-28-2025