Table 3 Mechanical parameters of unfilled and different PU films filled with unmodified and modified particles.

From: Graphene oxide decoration with ZnAl LDH and further functionalization with APTES for enhancing the toughness of polyurethane coatings

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

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