|About this Abstract
||2016 TMS Annual Meeting & Exhibition
||2016 Functional Nanomaterials: Emerging Nanomaterials and Techniques for 3D Architectures
||Reversible CO2 Capture from an Amidine Functionalized Polymer Thin Film
||Brad Lokitz, Balaka Barkakaty, James F Browning
|On-Site Speaker (Planned)
The ability of block copolymers (BCPs) to spontaneously organize into microphase segregated structures in solution and thin films are the origin of many useful and potential applications. Dually-reactive BCPs comprised of poly(glycidyl methacrylate), (PGMA) and deuterated poly(vinyl dimethyl azlactone), (VDMAd6), denoted PGMA-b-PVDMAd6, were utilized to generate surface scaffolds in which film thickness, surface grafting density, and functionality can be tailored. The reactive pendant group of PVDMAd6 was functionalized with a novel benzyl alcohol derivative bearing a cyclic amidine group “4-(N-methyltetrahydropyrimidine) benzyl alcohol” (MTHPBA). Amidines are highly basic functional moieties which have been shown to be able reversibly capture CO2 at room temperature. Neutron reflectivity, attenuated total reflectance infrared spectroscopy, and quartz crystal microbalance experiments were used to demonstrate the ability of the functionalized polymer film to reversibly capture and release CO2.