Poly(isobutylene) Nanoparticles via Cationic Polymerization in Nonaqueous Emulsions

Schuster, Thomas; Golling, Florian E.; Krumpfer, Joseph W.; Wagner, Manfred; Graf, Robert; Alsaygh, Abdulhamid A.; Klapper, Markus; Müllen, Kläus

doi:10.1002/marc.201400401

Cited by 4 publications

(3 citation statements)

References 31 publications

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“…For example, a nonaqueous emulsion polymerization system in perfluoroalkane-in-oil emulsion has been developed by Schuster et al to polymerize isobutylene. 169 M n 's of over 20 000 g/mol were achieved and it was suggested that the system could be applied also for the polymerization of 2-oxazolines or epoxides.…”

Section: Ionic Polymerizationsmentioning

confidence: 99%

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Reactions and Polymerizations at the Liquid–Liquid Interface

et al. 2015

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Reactions and polymerizations at the interface of two immiscible liquids are reviewed. The confinement of two reactants at the interface to form a new product can be advantageous in terms of improved reaction kinetics, higher yields, and selectivity. The presence of the liquid-liquid interface can accelerate the reaction, or a phase-transfer catalyst is employed to draw the reaction in one phase of choice. Furthermore, the use of immiscible systems, e.g., in emulsions, offers an easy means of efficient product separation and heat dissipation. A general overview on low molecular weight organic chemistry is given, and the applications of heterophase polymerization, occurring at or in proximity of the interface, (mostly) in emulsions are presented. This strategy can be used for the efficient production of nano- and microcarriers for various applications.

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Section: Ionic Polymerizationsmentioning

confidence: 99%

“…To circumvent the use of water but still benefit from a disperse system, reactions in organic emulsion could be envisioned. For example, a nonaqueous emulsion polymerization system in perfluoroalkane-in-oil emulsion has been developed by Schuster et al to polymerize isobutylene …”

Section: Reactions At the (Droplet) Interfacementioning

confidence: 99%

Reactions and Polymerizations at the Liquid–Liquid Interface

et al. 2015

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“…A brief explanation of silicon and silicone nomenclature is given in the Supporting Information. Figure and Table provide scaled comparisons between the chemical structures and physical properties, respectively, of PDMS and its closest carbon-based analogue, poly(isobutylene) (PIB). − A cursory glance at both of these polymer structures reveals marked differences. First, the Si–O bonds (1.63 Å) and Si–C bonds (1.90 Å) are much longer than the C–C bonds in PIB (1.53 Å).…”

Section: Introductionmentioning

confidence: 99%

The Art of Silicones: Bringing Siloxane Chemistry to the Undergraduate Curriculum

et al. 2017

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Siloxane polymers and silicone materials are major components in most people’s daily lives and are important in a wide variety of applications. However, despite their undeniable importance, they are often overlooked in the traditional undergraduate education, as they do not fall neatly into the traditional categories of organic or inorganic chemistry. Even in advanced polymer courses, they are often overlooked despite their value in describing many important polymer concepts. Herein we present three simple experiments to introduce siloxane polymers to the undergraduate education aimed at first-year, upper-level, and non-science-major students. This is prefaced with a brief overview of the history and chemistry of siloxanes and their value as teaching tools in the laboratory and classroom settings.

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