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Hydrogels from Amorphous Calcium Carbonate and Polyacrylic Acid : Bio-Inspired Materials for "Mineral Plastics"

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Hydrogels from Amorphous Calcium Carbonate and Polyacrylic Acid : Bio-Inspired Materials for "Mineral Plastics"

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SUN, Shengtong, Li-Bo MAO, Zhouyue LEI, Shu-Hong YU, Helmut CÖLFEN, 2016. Hydrogels from Amorphous Calcium Carbonate and Polyacrylic Acid : Bio-Inspired Materials for "Mineral Plastics". In: Angewandte Chemie International Edition. 55(39), pp. 11765-11769. ISSN 0570-0833. eISSN 1521-3773. Available under: doi: 10.1002/anie.201602849

@article{Sun2016-07-22Hydro-35509, title={Hydrogels from Amorphous Calcium Carbonate and Polyacrylic Acid : Bio-Inspired Materials for "Mineral Plastics"}, year={2016}, doi={10.1002/anie.201602849}, number={39}, volume={55}, issn={0570-0833}, journal={Angewandte Chemie International Edition}, pages={11765--11769}, author={Sun, Shengtong and Mao, Li-Bo and Lei, Zhouyue and Yu, Shu-Hong and Cölfen, Helmut} }

Lei, Zhouyue eng 2016-10-10T12:39:23Z Yu, Shu-Hong Cölfen, Helmut terms-of-use Mao, Li-Bo Mao, Li-Bo Yu, Shu-Hong Given increasing environmental issues due to the large usage of non-biodegradable plastics based on petroleum, new plastic materials, which are economic, environmentally friendly, and recyclable are in high demand. One feasible strategy is the bio-inspired synthesis of mineral-based hybrid materials. Herein we report a facile route for an amorphous CaCO<sub>3</sub> (ACC)-based hydrogel consisting of very small ACC nanoparticles physically cross-linked by poly(acrylic acid). The hydrogel is shapeable, stretchable, and self-healable. Upon drying, the hydrogel forms free-standing, rigid, and transparent objects with remarkable mechanical performance. By swelling in water, the material can completely recover the initial hydrogel state. As a matrix, thermochromism can also be easily introduced. The present hybrid hydrogel may represent a new class of plastic materials, the "mineral plastics". 2016-07-22 2016-10-10T12:39:23Z Cölfen, Helmut Sun, Shengtong Sun, Shengtong Lei, Zhouyue Hydrogels from Amorphous Calcium Carbonate and Polyacrylic Acid : Bio-Inspired Materials for "Mineral Plastics"

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