Moisture responsive element with crosslinked organic membrane an

Details Moisture responsive element with crosslinked organic membrane an Moisture responsive element with crosslinked organic membrane an

1982-12-02

1985-05-28

Envall, Jr., Roy N.

Electrical resistors

Resistance value responsive to a condition

Gas, vapor, or moisture absorbing or collecting

73335, 733365, H01C 300, G01N 2712, H01C 700

Patent

active

045203415

ABSTRACT:
A moisture responsive element comprises a moisture responsive organic membrane in contact with electrically conductive members, in which the organic membrane consists essentially of a crosslinked organic polymer having a hydrophilic group. The element has excellent water and moisture resistance, long-term stability and excellent humidity response over a range of humidity from 0 to 100 percent. The moisture responsive element includes a protective layer of cellulose acetate and/or polyvinyl acetate.

REFERENCES:
patent: 2728831 (1955-12-01), Pope
patent: 3671913 (1972-06-01), Mamiya et al.
patent: 3848218 (1974-11-01), Wakabayashi et al.
patent: 3983527 (1976-09-01), Ohsato et al.
patent: 4040984 (1977-08-01), Sharpe et al.
patent: 4163384 (1979-08-01), Blakemore
patent: 4167725 (1979-09-01), Shimizu et al.

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