Tarin ƙwayoyin ƙwayoyin cuta a saman ƙasa shine ƙalubale ga duka jigilar kayayyaki da masana'antu na biomedical.Wasu mashahurin anti-pollution polymer coatings suna fuskantar lalatawar iskar oxygen a cikin ruwan teku, suna sa su zama marasa tasiri akan lokaci.Amphoteric ion (kwayoyin da ke da cajin mara kyau da tabbatacce da cajin net). na sifili) Rubutun polymer, kama da kafet tare da sarƙoƙi na polymer, sun jawo hankali a matsayin madaidaicin madaidaicin, amma a halin yanzu dole ne a girma a cikin yanayi mara kyau ba tare da ruwa ko iska ba.Wannan yana hana su yin amfani da su zuwa manyan wurare.
Tawagar da Satyasan Karjana ke jagoranta a cibiyar nazarin kimiyyar sinadarai da injiniya ta A*STAR ta gano yadda ake shirya abin rufe fuska na amphoteric polymer a cikin ruwa, zafin daki da iska, wanda zai ba da damar yin amfani da su akan sikeli mai faɗi.
"Yana da wani serendipitous gano," ya bayyana Jana. His tawagar aka kokarin yin amphoteric polymer coatings ta yin amfani da ko'ina amfani da hanyar da ake kira atom transfer radical polymerization, a lõkacin da suka gane cewa wasu halayen ba su samar da da ake so samfurin.An amine aka samu ba zato ba tsammani a. Ƙarshen sarkar polymer a matsayin ligand akan abin da ake amfani da shi a cikin martani.” Zai ɗauki ɗan lokaci da jerin gwaje-gwaje don tona asirin [na yadda aka samu],” in ji Jana.
Kinetic observations, nuclear Magnetic resonance spectroscopy (NMR) da kuma sauran bincike nuna cewa amines fara polymerization ta hanyar anion hanyoyin.Waɗannan da ake kira anionic polymerizations ba su da tsayayya ga ruwa, methanol, ko iska, amma Jana ta polymers girma a gaban dukan uku. ya jagoranci tawagar yin shakkun sakamakon binciken da suka yi.Sun juya ga tsarin kwamfuta don ganin abin da ke faruwa.
"Kididdigar ka'idar aiki mai yawa ta tabbatar da tsarin ƙirar polymerization na anionic," in ji shi.
A yanzu ƙungiyarsa ta yi amfani da wannan hanyar don haɗa kayan kwalliyar polymer daga amphoteric monomers guda huɗu da kuma wasu masu haɓaka anionic, wasu daga cikinsu ba amines ba ne. ” ta hanyar amfani da feshi ko hanyoyin da za a iya cirewa, "in ji Jana. Har ila yau, sun yi shirin yin nazarin tasirin abubuwan da ke tattare da sutura a cikin Marine da kuma nazarin halittu.
Lokacin aikawa: Maris 18-2021