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Gradient-Structured Nonflammable Flexible Polymer Membranes

Title data

Zhu, Jian ; Breu, Josef ; Hou, Haoqing ; Greiner, Andreas ; Agarwal, Seema:
Gradient-Structured Nonflammable Flexible Polymer Membranes.
In: ACS Applied Materials & Interfaces. Vol. 11 (2019) Issue 12 . - pp. 11876-11883.
ISSN 1944-8252
DOI: https://doi.org/10.1021/ACSAMI.8B22154

Abstract in another language

Herein, we report the formation and properties of a rare example of high-performance composite membranes from polybisbenzimidazobenzophenanthroline-dione (BBB) that do not sustain a flame or burn with smoke nor show melt dripping. In addition, this material possesses a low density and very high thermal stability (char yield as high as 80–94%), strength, and flexibility. Such membranes are highly desirable for battery separators, protective clothing, construction, and automobiles. Because BBB is an insoluble and infusible polymer, the composite membranes were made using a bottom-up vacuum-assisted self-assembly method with an aqueous dispersion of short BBB fibers and Hec. The use of water as the solvent, upscalability, and excellent flame retardancy in combination with low density, flexibility, and low thermal conductivity of the composite membranes make the preparation method and membranes highly promising for future use in real applications.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: nonflammable polybisbenzimidazobenzophenanthroline-dione hectorite gardient structure electrospinning short fibers
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry I
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Inorganic Chemistry I > Chair Inorganic Chemistry I - Univ.-Prof. Dr. Josef Breu
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 02 Dec 2019 15:22
Last Modified: 02 Dec 2019 15:22
URI: https://eref.uni-bayreuth.de/id/eprint/53425