Pressure sensitive adhesive compositions for medical electrodes

Details Pressure sensitive adhesive compositions for medical electrodes Pressure sensitive adhesive compositions for medical electrodes

1984-11-20

1986-05-13

Kight, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524272, 524434, 604897, 428355, 428356, 252500, 252510, 252511, 156327, 156328, C07C14324, C07C14356

Patent

active

045887624

ABSTRACT:
A heterogeneous, pressure-sensitive, electrically conductive adhesive for disposable biomedical electrodes. The adhesive consists of two phases: a viscoelastic polymeric adhesive phase and an electrically conductive aqueous phase containing a water receptive polymer, a humectant, and an electrolyte. Both phases are intimately interdispersed and the adhesive is applied as a relatively thin film on a supporting substrate. The adhesive is characterized in that it establishes a physical equilibrium with the ambient system so that varying concentrations of moisture in the atmosphere are accommodated and tolerated by the adhesive without loss of viscoelastic and adhesion capabilities and without impairment of electrical conductivity values even under conditions of both high and of low relative humidity.

REFERENCES:
patent: 4098945 (1978-07-01), Oehmke
patent: 4147831 (1979-04-01), Balinth
patent: 4299231 (1981-11-01), Karmann et al.
patent: 4393080 (1983-07-01), Pawelchak et al.

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