Table 3.

Mechanical parameters of unfilled and different PU films filled with unmodified and modified particles.

Sample	Young’s modulus (GPa)	Maximum stress (MPa)	Strain at break (%)	Toughness (GPa)
PU-Blank	5.54 ± 0.2	30.61 ± 0.7	0.73 ± 0.05	1.27 ± 0.11
PU-LDH@GO-1	5.58 ± 0.5	31.07 ± 1.1	0.78 ± 0.07	1.41 ± 0.23
PU-LDH@GO-2	7.94 ± 0.3	47.18 ± 0.8	0.88 ± 0.1	2.48 ± 0.13
PU-LDH@GO-3	5.13 ± 0.6	29.75 ± 1.2	0.93 ± 0.08	1.58 ± 0.25
PU-LDHGO@Si-1	5.72 ± 0.2	38.14 ± 0.5	0.78 ± 0.1	1.76 ± 0.24
PU-LDHGO@Si-2	7.37 ± 0.4	48.82 ± 0.7	1.30 ± 0.5	3.61 ± 0.15
PU-LDHGO@Si-3	7.49 ± 0.3	37.7 ± 0.9	0.73 ± 0.1	1.61 ± 0.14