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

Table 6

The mechanical properties of solvent-casted membranes.

Solvent-casted membranes	Mechanical properties
	Tensile strength	Modulus of elasticity	Elongation at break
	(MPa)	(MPa)	(%)
PCL	69.10	59.94	621.02
PCL-HDI (1 : 1)	30.78	40.92	1211.86
PCL-HDI-PEG (2 : 3 : 1)	33.60	40.78	1162.46
PCL-HDI-PEG (1 : 2 : 1)	28.17	35.01	788.83
PCL-HDI-PEG (1 : 3 : 2)	Too fragile to conduct tests
PCL-HDI-EDA (2 : 3 : 1)	51.99	43.41	1553.00
PCL-HDI-EDA (1 : 2 : 1)	Poor solubility in solvents for solvent casting
PCL-HDI-EDA (1 : 3 : 2)