Publikation:

Mineral plastic foams

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2021

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Menold, Philipp
Stubenrauch, Cosima

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Materials Horizons. Royal Society of Chemistry (RSC). 2021, 8(4), pp. 1222-1229. ISSN 2051-6347. eISSN 2051-6355. Available under: doi: 10.1039/D1MH00122A

Zusammenfassung

We describe a route to synthesize a mechanically stable, non-flammable poly(acrylic acid)–calcium salt (the so-called mineral plastic) foam whose structure can be tailored. Main steps of the foam synthesis are: (1) foaming of the PAA-containing solution, (2) gelation of the continuous foam phase, and (3) drying of the hydrogel foam. The main challenge was to formulate an aqueous solution with a large amount of poly(acrylic acid), PAA, and calcium to yield a mechanically stable foam. The resulting PAA-based solid foams with pore sizes of around 220 μm can easily be dissolved, i.e. recycled, in an acidic solution.

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540 Chemie

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ISO 690MENOLD, Philipp, Helmut CÖLFEN, Cosima STUBENRAUCH, 2021. Mineral plastic foams. In: Materials Horizons. Royal Society of Chemistry (RSC). 2021, 8(4), pp. 1222-1229. ISSN 2051-6347. eISSN 2051-6355. Available under: doi: 10.1039/D1MH00122A
BibTex
@article{Menold2021Miner-53708,
  year={2021},
  doi={10.1039/D1MH00122A},
  title={Mineral plastic foams},
  number={4},
  volume={8},
  issn={2051-6347},
  journal={Materials Horizons},
  pages={1222--1229},
  author={Menold, Philipp and Cölfen, Helmut and Stubenrauch, Cosima}
}
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