Research Article

Synthesis and Characterization of Polycaprolactone-Based Polyurethanes for the Fabrication of Elastic Guided Bone Regeneration Membrane

Table 7

The mechanical properties and fiber diameter of electrospun membranes. The fiber diameter of PCL is significantly larger than all PCL-based PUs. There is no statistical difference between each PCL-based PU.

Electrospun membranes Mechanical propertiesFiber diameter
(μm)
Tensile strength
(MPa)
Modulus of elasticity
(MPa)
Elongation at break
(%)

PCL19.8426.32627.58
PCL-HDI (1 : 1)No membrane with
fibrous structures was formed
PCL-HDI-PEG (1 : 2 : 1)5.3910.59214.591.05 ± 0.17
PCL-HDI-PEG (2 : 3 : 1)11.7215.31362.140.86 ± 0.08
PCL-HDI-EDA (2 : 3 : 1)5.5311.34241.221.09 ± 0.16