Table 1 Comparison of Young’s modulus and fatigue threshold between our CPU/MP composite and other reported viscoelastic materials

From: Multiscale interlinked structures limit fatigue crack propagation in a MXene-polyurethane composite

Sample

Young’s modulus/MPa

Fatigue threshold/J m−2

Ref.

Hybrid ionic skin

1.8

2950

8

PAMPS/PAAm DN

0.3

418

11

DMCI hydrogels

0.2

4210

12

Ionogels

0.2

2120

13

HA-PVA

2.5

10500

14

PEG Hydrogel

0.05

100

15

Polyurethane elastomer

0.24

3900

16

Rubber-glass nanocomposite

30.3

1000

17

FC-A PVA hydrogel

12.5

1340

18

Nanofibrous hydrogel

13.8

770

19

SHPU-SNS-0.3

1.2

1010

20

Dry-annealed hydrogel

9

1000

21

Entangled hydrogels

0.6

240

22

CPU/MP

51.1

8226.3

Our work