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J. Korean Ceram. Soc. > Volume 51(1); 2014 > Article
Journal of the Korean Ceramic Society 2014;51(1): 7-10.
doi: https://doi.org/10.4191/kcers.2014.51.1.007
Bio-Inspired Synthesis of a Silicate/PMMA Composite
Kyung Mok Nam, Yoon Joo Lee, Woo Teck Kwon, Soo Ryong Kim, Dong-Geun Shin, Hyung Mi Lim1, Hyungsun Kim2, Younghee Kim
Energy Efficient Material Team, Korea Institute of Ceramic Engineering and Technology
1Eco Composite Materials Team, Korea Institute of Ceramic Engineering and Technology
2School of Materials Engineering, Inha University
Abalone shell is composed of 95 wt% $CaCO_3$ platelets and 5 wt% of a protein-rich organic matrix which acts as an adhesive layer, connecting aragonite tablets, thus maintaining the structural integrity of the composite. By mimicking abalone shell, we prepared a silicate plate/polymer nanocomposite by infiltrating PMMA between silicate layers and warm-pressing them at $200^{circ}C$ for 1 h under 15 tons to make organic-inorganic composite materials. To examine the organic-inorganic composite materials after the warm-pressing procedure, the composite sample was analyzed with FE-SEM and TG. The bending strengths and densities of the composites prepared by a silicate plate and PMMA after the warm-pressing process were ~140 MPa and 1.5, respectively.
Key words: Bio-inspired, Composite, Abalone shell, Silicate, PMMA, Energy efficiency
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