Fig. 1

Preparation and characterization of scaffolds with small pore sizes inspired by n-butanol and RSF solution: a Raman spectrum of RSF scaffold; b–d Scanning electron microscopy (SEM) images of the 3D spatial structure of the scaffold; e–g Compression modulus of different RSF scaffolds; h–j Compression stress–strain curves; k–m Porosity of the scaffolds; n Frequency sweep of 14 wt% RSF solution with 1% strain; o Tensile test of a 14 wt% RSF solution; p Displacement extension diagram of a 14 wt% RSF solution