A macrocellular nanocomposite scaffold of crosslinked poly(ε-caprolactone) was made by conducting a ring-opening polymerization of an emulsifier-free Pickering high internal phase emulsion (HIPE). The Pickering HIPE formulation, stabilized using hydrophobically modified silica nanoparticles (mSiNPs), showed extraordinary stability up to a temperature of polymerization as high as 120 °C. The nanocomposite scaffolds demonstrated high porosity and a liquid uptake capacity of up to ∼23 g g-1. The scaffolds decorated with mSiNPs were mechanically robust and showed high resiliency under cyclic compression tests.
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Facile synthesis of templated macrocellular nanocomposite scaffold emulsifier-free HIPE-ROP.
Chem Commun (Camb)
October 2020
Department of Textile and Fibre Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India.
A macrocellular nanocomposite scaffold of crosslinked poly(ε-caprolactone) was made by conducting a ring-opening polymerization of an emulsifier-free Pickering high internal phase emulsion (HIPE). The Pickering HIPE formulation, stabilized using hydrophobically modified silica nanoparticles (mSiNPs), showed extraordinary stability up to a temperature of polymerization as high as 120 °C. The nanocomposite scaffolds demonstrated high porosity and a liquid uptake capacity of up to ∼23 g g-1.
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