Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1993-09-13
1995-06-06
Niebling, John
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204403, 204418, 204421, 435817, 429192, 128639, 128640, 252518, 252521, 252512, 528317, 528319, 528499, 528503, G01N 2726
Patent
active
054219825
ABSTRACT:
An electrically conductive polymer gel is composed of a crosslinked polyacrylamide polymer including an electrolytic salt, water and a polyhydric alcohol uniformly dissolved therein, wherein the water and the polyhydric alcohol are major components of said polymer gel. The polyacrylamide series polymer in the gel has properties of being hydrophilic and being a nonelectrolyte. Therefore, a desirable connection between the gel and the electrode can be achieved with low impedance. Moreover, the polyhydric alcohol reduces the drying speed of the electrically conductive polymer gel, thereby preventing an increase in the impedance due to the dryout of the gel. Therefore, the electrically conductive polymer gel of the present invention permits an accurate measurement of an electrical phenomenon in an organism for long periods of time.
REFERENCES:
patent: 4333850 (1982-06-01), Krueger
patent: 4695354 (1987-09-01), Sugihara et al.
patent: 4786277 (1988-11-01), Powers et al.
patent: 5183879 (1993-02-01), Yuasa et al.
patent: 5290418 (1994-03-01), Menchen et al.
patent: 5314952 (1994-05-01), Choi et al.
Higashi Takashi
Ikeda Toshiki
Kobayashi Yoshikazu
Sasahara Shuichi
Bell Bruce F.
Niebling John
Sekisui Kaseihin Kogyo Kabushiki Kaisha
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