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Spongy Gels by a Top‐Down Approach from Polymer Fibrous Sponges

Title data

Jiang, Shaohua ; Duan, Gaigai ; Kuhn, Ute ; Mörl, Michaela ; Altstädt, Volker ; Yarin, Alexander L. ; Greiner, Andreas:
Spongy Gels by a Top‐Down Approach from Polymer Fibrous Sponges.
In: Angewandte Chemie International Edition. Vol. 56 (2017) Issue 12 . - pp. 3285-3288.
ISSN 1521-3773
DOI: https://doi.org/10.1002/anie.201611787

Abstract in another language

Ultralight cellular sponges offer a unique set of properties. We show here that solvent uptake by these sponges results in new gel‐like materials, which we term spongy gels. The appearance of the spongy gels is very similar to classic organogels. Usually, organogels are formed by a bottom‐up process. In contrast, the spongy gels are formed by a top‐down approach that offers numerous advantages for the design of their properties, reproducibility, and stability. The sponges themselves represent the scaffold of a gel that could be filled with a solvent, and thereby form a mechanically stable gel‐like material. The spongy gels are independent of a time‐consuming or otherwise demanding in situ scaffold formation. As solvent evaporation from gels is a concern for various applications, we also studied solvent evaporation of wetting and non‐wetting liquids dispersed in the sponge.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner
Faculties > Faculty of Engineering Science > Chair Polymer Engineering
Faculties > Faculty of Engineering Science > Chair Polymer Engineering > Chair Polymer Engineering - Univ.-Prof. Dr.-Ing. Volker Altstädt
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Engineering Science
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 15 Aug 2018 13:36
Last Modified: 15 Aug 2018 13:36
URI: https://eref.uni-bayreuth.de/id/eprint/45476