Table 5. Mechanical Property of Pure PU and PU-HAMPPs.

samples	tensile strength (MPa)	elongation at break (%)	elastic modulus (MPa)	compressive strength (MPa)	compressive modulus (MPa)
pure-PU	0.31	138.99	0.48	0.49	0.7
PU-5	0.59	185.22	0.57	0.53	1.43
PU-8	0.46	199	0.35	0.89	1.27
PU-10	0.4	244.48	0.30	0.76	1.09