Bafuputsi ba qapile elastomer e ncha ea polyurethane e thehiloeng marangrang a feto-fetohang a ascorbic acid (A-CCANs). Ka ho sebelisa phello ea tšebelisano-'moho ea keto-enol tautomerism le libonto tsa carbamate tse matla, thepa e fihlella litšobotsi tse ikhethang: mocheso oa ho bola ha mocheso oa 345 °C, khatello ea ho robeha ea 0.88 GPa, matla a khatello a 268.3 MPa (ho monya matla a 68.93 MJ·m⁻³), le khatello e setseng e ka tlase ho 0.02 kamora lipotoloho tse 20,000. E boetse e bontša ho iphekola ka metsotsoana le bokhoni ba ho sebelisa hape bo fihlang ho 90%, e fana ka tharollo ea katleho bakeng sa lits'ebetso lisebelisoa tse bohlale le thepa ea sebopeho.
Phuputso ena e ncha e hahile marangrang a feto-fetohang a covalent (A-CCANs) a sebelisang ascorbic acid e le motheo oa kaho. Ka keto-enol tautomerism e entsoeng hantle le libofo tse matla tsa carbamate, ho ile ha etsoa elastomer e ikhethang ea polyurethane. Thepa e bontša ho hanyetsa mocheso ho kang polytetrafluoroethylene (PTFE) - ka mocheso oa ho bola ha mocheso o phahameng ho fihlela ho 345 °C - ha e ntse e bontša tekano e phethahetseng ea ho tiea le ho tenyetseha: khatello ea 'nete ea ho robeha ea 0.88 GPa, le bokhoni ba ho boloka khatello ea 268.3 MPa tlas'a khatello ea khatello ea 99.9% ha e ntse e monya matla a 68.93 MJ·m⁻³. Ho khahlisang le ho feta, thepa e bontša khatello e setseng ea ka tlase ho 0.02% kamora lipotoloho tsa mechini tse 20,000, e iphekola ka motsotsoana o le mong, 'me e fihlella katleho ea ho sebelisa hape ea 90%. Leano lena la moralo, le fihlelang polelo e tloaelehileng ea "ho ba le leoto la tlhapi le la bere," le fana ka tharollo e ncha bakeng sa lits'ebetso tse kang liaparo tse bohlale le thepa ea ho sireletsa lifofane, moo matla a mechini le ho tšoarella ha tikoloho li leng bohlokoa.
Nako ea poso: Phato-28-2025