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.

Beschreibung

Mineral plastic foams - Materials Horizons (RSC Publishing)

Links und Ressourcen

DOI:
10.1039/D1MH00122A
URL:
BibTeX-Schlüssel:
D1MH00122A
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