Soft and wet touch‐sensing system made of hydrogel | Zendy

Sawahata Kiyoshi | Zendy; Gong Jian Ping | Zendy; Osada Yoshihito | Zendy

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Soft and wet touch‐sensing system made of hydrogel

Author(s) -

Sawahata Kiyoshi,

Gong Jian Ping,

Osada Yoshihito

Publication year - 1995

Publication title -

macromolecular rapid communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 154

eISSN - 1521-3927

pISSN - 1022-1336

DOI - 10.1002/marc.1995.030161002

Subject(s) - deformation (meteorology) , materials science , rheology , self healing hydrogels , polyelectrolyte , soft materials , soft robotics , diode , composite material , optoelectronics , nanotechnology , polymer chemistry , actuator , electrical engineering , polymer , engineering

Mechanical deformation of water‐swollen polyelectrolyte gels with carboxylic groups induces a spontaneous ionization, which in turn produces an electrical potential as large as a few millivolts. On the base of this phenomenon, a tactile sensor capable of lighting a photo diode array according to the amplitude of deformation has been made. This system may offer a soft and wet touch‐sensor due to its soft tissue‐like rheological characteristics.

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