398 research outputs found

    Influence of the isomeric structures of butyl acrylate on its single-electron transfer-degenerative chain transfer living radical polymerization in water Catalyzed by Na2S2O4

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    The aim of this work is to the study the influence of the isomer structures of butyl acrylate monomer on the single-electron transfer/degenerative chain transfer mediated living radical polymerization (SET-DTLRP). The kinetic of isobutyl acrylate is determined for the first time by SET-DTLRP in water catalyzed by sodium dithionite. The plots of number-average molecular weight versus conversion and ln([M]0/[M]) versus time are linear, demonstrating a controlled polymerization. The influence of the isomer t-butyl, i-butyl, and n-butyl on the kinetics, properties, and stereochemistry of the reactions was assessed. To the best of our knowledge, there is no previous report dealing with the synthesis of PiBA by any LRP approach in aqueous medium. The results presented in this work suggest that the stability provided by the acrylate side group has an important influence in the polymerization process. © 2008 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 46: 6542-6551, 200

    (Multi)block copolymer synthesis via controlled radical polymerization in aqueous dispersions

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    The Sublime in the Visual Culture of the Seventeenth-Century Dutch Republic

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    Contrary to what Kant believed about the Dutch (and their visual culture) as “being of an orderly and diligent position” and thus having no feeling for the sublime, this book argues that the sublime played an important role in seventeenth-century Dutch visual culture. By looking at different visualizations of exceptional heights, divine presence, political grandeur, extreme violence, and extraordinary artifacts, the authors demonstrate how viewers were confronted with the sublime, which evoked in them a combination of contrasting feelings of awe and fear, attraction and repulsion. In studying seventeenth-century Dutch visual culture through the lens of notions of the sublime, we can move beyond the traditional and still widespread views on Dutch art as the ultimate representation of everyday life and the expression of a prosperous society in terms of calmness, neatness, and order. The book will be of interest to scholars working in art history, visual culture, architectural history, and cultural history

    Het portret van een gebouw

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    Oratie uitgesproken door Prof. dr. Stijn P.M. Bussels bij de aanvaarding van het ambt van hoogleraar in de Kunstgeschiedenis, in het bijzonder voor 1800 aan de Universiteit Leiden op vrijdag 12 oktober 2018Medieval and Early Modern Studie

    The portrait of a building

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    Medieval and Early Modern Studie

    The wondrous town hall of Amsterdam: laudatory poems on the impact of art and architecture

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    Medieval and Early Modern Studie
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