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Habkan cusub ee polymerization wuxuu albaabka u furayaa dahaarka ka-hortagga ah ee waxtarka leh

Isku-ururinta unugyada yaryar ee dusha sare ayaa caqabad ku ah labadaba maraakiibta iyo warshadaha biomedical. Qaar ka mid ah dahaarka polymer-ka-hortagga wasakhda ah ee caanka ah waxay ku dhacaan hoos u dhigista oksaydhka ee biyaha badda, taas oo ka dhigaysa mid aan waxtar lahayn waqti ka dib. eber) Dahaarka polymer, oo la mid ah roogag leh silsilado polymer ah, ayaa soo jiitay dareenka sida beddelka suurtagalka ah, laakiin hadda waa in lagu beeraa jawi aan firfircoonayn iyada oo aan wax biyo ah ama hawo ah lahayn. Tani waxay ka hortagaysaa inay dalbadaan meelo waaweyn.

Koox uu hogaaminayo Satyasan Karjana oo ka tirsan Machadka A*STAR ee Sayniska Kiimikada iyo Injineerinka ayaa daahfuray sida loo diyaariyo daahanka polymer-ka amphoteric ee biyaha, heerkulka qolka iyo hawada, taas oo u sahlaysa in loo isticmaalo miisaan aad u ballaadhan.

"Waxay ahayd daah-furnaan qarsoodi ah," ayuu yiri Jana. Kooxdiisu waxay isku dayayeen inay sameeyaan daahanka polymer amphoteric iyadoo la adeegsanayo hab si ballaaran loo isticmaalo oo lagu magacaabo polymerization radical transfer, markii ay ogaadeen in falcelinta qaarkood aysan soo saarin badeecadii la rabay. Amin ayaa la helay si lama filaan ah Dhamaadka silsiladda polymer-ka sida ligand ee kicinta loo isticmaalo falcelinta.” Waxay qaadan doontaa wakhti iyo tijaabooyin taxane ah si loo daah-furo sirta [sida ay halkaas ku timid],” ayay tidhi Jana.

Kormeerka Kinetic, Nuclear Magnetic Resonance spectroscopy (NMR) iyo falanqayn kale ayaa tilmaamaya in amines ay bilaabaan polymerization iyada oo loo marayo hababka anion. Kuwan loogu yeero polymerizations anionic maaha kuwo u adkaysta biyaha, methanol, ama hawada, laakiin polymers Jana ayaa koray iyadoo ay joogaan dhammaan saddexda. taasoo keentay in kooxda ay ka shakiyaan natiijooyinkooda. Waxay u jeesteen moodooyinka kombiyuutarada si ay u arkaan waxa dhacaya.

"Xisaabinta aragtida shaqada ee cufnaanta waxay xaqiijinaysaa habka la soo jeediyay ee polymerization anionic," ayuu yidhi." Tani waa tusaalihii ugu horreeyay abid ee polymerization xalka anionic ee monomers ethylene ee dhexdhexaad aqueous hoos yimaada xaaladaha hawada hawada."

Kooxdiisu hadda waxay isticmaashay habkan si ay u soo saaraan daahan polymer ka afar monomers amphoteric iyo tiro ka mid ah initiators anionic, kuwaas oo qaar ka mid ah ma amines. "Mustaqbalka, waxaan isticmaali doonaa habkan si aan u abuurno biofilt-u adkaysta lakabyo polymer on aagagga waaweyn ee dusha sare. isticmaalaya hababka buufin ama impregnation, "Jana ayaa tiri. Waxay sidoo kale qorsheynayaan in ay bartaan saamaynta antifouling ee daahan ee codsiyada badda iyo biomedical.

 


Waqtiga boostada: Mar-18-2021