Table 2.

Polymers used for nanostructured dry adhesives.

Polymer	Modulus (GPa)	Reference
IP-G 780	4	Röhrig et al. (2012)
Polyurethane acrylate (PUA), hard	0.32–1.3	Jeong et al. (2010a), Jeong and Suh (2012)
Polyurethane acrylate, soft	0.02	Jeong and Suh (2012)
Polyethylene (PE)	0.4–1.0	Palacio et al. (2013)
Low density polyethylene (LDPE)	0.2	Lee et al. (2011)
High density polyethylene (HDPE)	0.4	Gillies and Fearing (2011), Lee and Fearing (2012)
Polypropylene (PP)	1.3–2	Gillies and Fearing (2011), Rodríguez et al. (2013), Lee and Bushan (2012)
Teflon AF	1.5	Izadi et al. (2013)
Polyimide (PI)	–	Liu et al. (2012)
Polycarbonate (PC)	2.2	Ho et al. (2011)
Polystyrene (PS)	3.2	Lee et al. (2012)
Poly-dl-lactide (PDLLA)	0.3–2.3	Rodríguez et al. (2013)
Cyclic olefin copolymer TOPAS 8007 (COC)	2.6	Matschuk and Larsen (2013)