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  Polystyrene-Based Polymer Networks as Solid Acid Catalysts

Richter, F. H., Sahraoui, L., & Schüth, F. (2016). Polystyrene-Based Polymer Networks as Solid Acid Catalysts. Chemistry – A European Journal, 22(38), 13563-13574. doi:10.1002/chem.201603069.

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 Creators:
Richter, Felix Herrmann1, Author              
Sahraoui, Laila1, Author              
Schüth, Ferdi1, Author              
Affiliations:
1Research Department Schüth, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445589              

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Free keywords: biomass conversion; Brønsted acids; heterogeneous catalysis; porous polymers; sulfonation
 Abstract: Nanocasting is a general and widely applied method in the generation of porous materials during which a sacrificial solid template is used as a mold on the nanoscale. Ideally, the resulting structure is the inverse of the template. However, replication is not always as direct as anticipated, so the influences of the degree of pore filling and of potential restructuring processes after removal of the template need to be considered. These apparent limitations give rise to opportunities in the synthesis of poly(styrene-co-divinylbenzene) (PSD) polymer networks of widely varying porosities (BET surface area=63–562 m2 g−1; Vtot=0.18–1.05 cm3 g−1). by applying a single synthesis methodologyIn addition, spatially selective sulfonation on the nanoscale seems possible. Together, nanocasting and sulfonation enable rational catalyst design. The highly porous nanocast and predominantly surface-sulfonated PSD networks approach the activity of the corresponding molecular catalyst, para-toluenesulfonic acid, and exceed those of commercial ion-exchange polymers in the depolymerization of macromolecular inulin.

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Language(s): eng - English
 Dates: 2016-08-262016-09-12
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/chem.201603069
 Degree: -

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Title: Chemistry – A European Journal
  Other : Chem. – Eur. J.
  Other : Chem. Eur. J.
Source Genre: Journal
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Publ. Info: Weinheim, Germany : VCH Verlagsgesellschaft
Pages: - Volume / Issue: 22 (38) Sequence Number: - Start / End Page: 13563 - 13574 Identifier: ISSN: 0947-6539
CoNE: https://pure.mpg.de/cone/journals/resource/954926979058