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A Biomimetic Approach to Enhancing Interfacial Interactions: Polydopamine-Coated Silica as Reinforcement for Epoxy Resin

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Abstract:

A facile biomimetic method was developed to enhance the interfacial interaction in polymer-inorganic composites. By mimicking mussel adhesive proteins, a monolayer of polydopamine (PD) was constructed on surface of silica particles through a controllable coating pathway. The modified silica (PD-silica) was incorporated into an epoxy resin. It is found that the strong interfacial interactions brought by the polydopamine benefits the effective interfacial stress transfer, leading to greatly improved flexural properties of epoxy based composites.

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Periodical:

Advanced Materials Research (Volume 1015)

Pages:

721-724

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1015.721

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Online since:

August 2014

Authors:

Jian Li*, Xue Mei Wen, Wei Zhang, Yu Ping Chen, Ying Xiao, Chen Xue Xiong, Wei Zhu, Tao Jiang

Keywords:

Biomimetic, Composite, Dopamine, Epoxy Resin, Silica

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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