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4H-Cyclopenta[2,1-b:3,4-b′]dithiophen-4-one (CPDTO), CPDTO ketal (CPDTO-k) and their oligomers have been synthesized and their optical absorption, fluorescent, electrochemical properties are characterized. Structure optimization and time-dependent energy calculation have been carried out for (CPDTO-k) 1,2,3,6 and (CPDTO) 1,2,3,6 using the B3LYP functional and standard split valence...
We report synthesis and characterization of two D-A polymers (PSDT-C12 and PSDT-EH) with different side chains. Both polymers are based on alternate 12,13-dioctyl-indolo[2,3-a][1,2,5]thiadiazolo[3,4-c]carbazole (TDZIC) and dithienosilole derivative units in polymer main chain. We used TDZIC to enlarge the 2D conjugated plane of acceptor monomers by fusing benzothiadiazole (BT) unit with an indole...
Amine-functionalized thermoplastic polyurethane (TPU) electrospun fibers with controllable number of amine groups on fiber surfaces are prepared by co-electrospinning of TPU and 3-aminopropyltriethoxysilane (APS) in DMF/THF 4:6, followed by thermal treatment at 60 °C in a ventilated oven for 24 h. The morphology of the fibers was observed by Field Emission Scanning Electron Microscopy (FESEM), showing...
Temperature and time dependence of conductive network formation in vapor-grown carbon fiber (VGCF) filled high-density polyethylene (HDPE)/poly(methyl methacrylate) (PMMA), VGCF and ketjenblack (KB) filled HDPE/isotactic polypropylene (iPP) blends have been investigated. It is found that the filled conductive polymer composites are thermodynamically non-equilibrium systems, in which the conductive...
Functional sub-micrometer core/shell hybrid particles coated with inorganic components have many promising applications as new materials based on their multiphase structures with unusual features. Herein we demonstrate a novel approach to produce such particles with potential applications in the fields of magnetic materials. PSt seed latex was prepared through emulsion polymerization. Core–shell P(St-co-Am)...
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