丙烯酸
材料科学
水溶液
产量(工程)
盐(化学)
复合材料
钙
矿物
易燃液体
盐溶液
化学工程
聚合物
化学
有机化学
共聚物
冶金
工程类
作者
Philipp Menold,Helmut Cölfen,Cosima Stubenrauch
出处
期刊:Materials horizons
[Royal Society of Chemistry]
日期:2021-01-01
卷期号:8 (4): 1222-1229
被引量:5
摘要
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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