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Improve Quantum Yield of Poly(Maleic Anhydride-Alt-Vinyl Acetate) via Good Solvents.

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In this study, the optical properties of Poly(maleic anhydride-alt-vinyl acetate) (PMV) synthesized by different polymerization methods are studied systematically. Compared to self-stabilized precipitation polymerization (pPMV), solution polymerization produces PMV solids… Click to show full abstract

In this study, the optical properties of Poly(maleic anhydride-alt-vinyl acetate) (PMV) synthesized by different polymerization methods are studied systematically. Compared to self-stabilized precipitation polymerization (pPMV), solution polymerization produces PMV solids (sPMV) with an extraordinarily high quantum yield (QY) of 20.65%. Additionally, redissolving pPMV in good solvents (rPMV) would also help to raise QY. The rising QY of sPMV and rPMV supports the idea that good solvents will reduce the rigidity of polymer chains and promote cluster formation, which is confirmed by lower glass transition temperature (Tg ) and small angle X-ray scatterer (SAXS). The study also finds that PMV exhibit application potentials in White light-emitting diodes (WLEDs) and light conversion film. This article is protected by copyright. All rights reserved.

Keywords: maleic anhydride; anhydride alt; alt vinyl; vinyl acetate; good solvents; poly maleic

Journal Title: Macromolecular rapid communications
Year Published: 2022

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