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Dong P, Chipara AC, Loya P, et al. Solid-Liquid Self-Adaptive Polymeric Composite. ACS Appl Mater Interfaces. 2016;8(3):2142-7doi: 10.1021/acsami.5b10667.
Dong, P., Chipara, A. C., Loya, P., Yang, Y., Ge, L., Lei, S., Li, B., Brunetto, G., Machado, L. D., Hong, L., Wang, Q., Yang, B., Guo, H., Ringe, E., Galvao, D. S., Vajtai, R., Chipara, M., Tang, M., Lou, J., & Ajayan, P. M. (2016). Solid-Liquid Self-Adaptive Polymeric Composite. ACS applied materials & interfaces, 8(3), 2142-7. https://doi.org/10.1021/acsami.5b10667
Dong, Pei, et al. "Solid-Liquid Self-Adaptive Polymeric Composite." ACS applied materials & interfaces vol. 8,3 (2016): 2142-7. doi: https://doi.org/10.1021/acsami.5b10667
Dong P, Chipara AC, Loya P, Yang Y, Ge L, Lei S, Li B, Brunetto G, Machado LD, Hong L, Wang Q, Yang B, Guo H, Ringe E, Galvao DS, Vajtai R, Chipara M, Tang M, Lou J, Ajayan PM. Solid-Liquid Self-Adaptive Polymeric Composite. ACS Appl Mater Interfaces. 2016 Jan 27;8(3):2142-7. doi: 10.1021/acsami.5b10667. Epub 2016 Jan 14. PMID: 26720058.
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ACS Appl Mater Interfaces. 2016 Jan 27;8(3):2142-7. doi: 10.1021/acsami.5b10667. Epub 2016 Jan 14.

Solid-Liquid Self-Adaptive Polymeric Composite.

ACS applied materials & interfaces

Pei Dong, Alin Cristian Chipara, Phillip Loya, Yingchao Yang, Liehui Ge, Sidong Lei, Bo Li, Gustavo Brunetto, Leonardo D Machado, Liang Hong, Qizhong Wang, Bilan Yang, Hua Guo, Emilie Ringe, Douglas S Galvao, Robert Vajtai, Mircea Chipara, Ming Tang, Jun Lou, Pulickel M Ajayan

Affiliations

  1. Department of Materials Science and NanoEngineering, Rice University , 6100 Main Street, Houston, Texas 77005, United States.
  2. Applied Physics Department, State University of Campinas , Campinas-SP 13083-959, Brazil.
  3. Department of Physics and Geology, University of Texas-Pan American , 1201 West University Drive, Edinburg, Texas 78539, United States.

PMID: 26720058 DOI: 10.1021/acsami.5b10667

Abstract

A solid-liquid self-adaptive composite (SAC) is synthesized using a simple mixing-evaporation protocol, with poly(dimethylsiloxane) (PDMS) and poly(vinylidene fluoride) (PVDF) as active constituents. SAC exists as a porous solid containing a near equivalent distribution of the solid (PVDF)-liquid (PDMS) phases, with the liquid encapsulated and stabilized within a continuous solid network percolating throughout the structure. The pores, liquid, and solid phases form a complex hierarchical structure, which offers both mechanical robustness and a significant structural adaptability under external forces. SAC exhibits attractive self-healing properties during tension, and demonstrates reversible self-stiffening properties under compression with a maximum of 7-fold increase seen in the storage modulus. In a comparison to existing self-healing and self-stiffening materials, SAC offers distinct advantages in the ease of fabrication, high achievable storage modulus, and reversibility. Such materials could provide a new class of adaptive materials system with multifunctionality, tunability, and scale-up potentials.

Keywords: hierarchical structure; self-adaptive; self-healing; self-stiffening; solid−liquid composite

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