Table 1 Mechanical properties of PUA and PUA-PEGDA copolymers

From: Enhancing dynamic actuation performance of dielectric elastomer actuators by tuning viscoelastic effects with polar crosslinking

Materials

Break tensile strength [MPa]

Elongation at break [%]

Y10%a [MPa]

Y50%b [MPa]

Hysteresis loss [%]

PUA

1.65

960

0.337

0.100

18.74

PUA–PEGDA-5

2.33

423

0.337

0.148

14.25

PUA–PEGDA-10

1.64

301

0.550

0.330

8.40

PUA–PEGDA-15

0.42

168

0.323

0.168

6.91

  1. aApparent modulus at 10% strain calculated from stress–strain curve
  2. bApparent modulus at 50% strain calculated from stress–strain curve
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