Solution for use in impregnating paper for high-pressure antista

Details Solution for use in impregnating paper for high-pressure antista Solution for use in impregnating paper for high-pressure antista

1986-02-04

1987-02-24

Swisher, Nancy A. B.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

252500, 252510, 252511, 524910, 524911, 4285371, B32B 2708, B32B 2742

Patent

active

046457178

ABSTRACT:
A treating solution for use in impregnating a paper sheet material useful in the preparation of electrically conductive high-pressure thermoset laminates, which treating solution comprises in combination: an aqueous resin solution which includes a heat-curable thermosetting formaldehyde-type resin; and, an electrically conductive amount of a quaternary ammonium compound sufficient to impart an electrical resistivity of about 10.sup.10 ohms per square inch or less to the impregnated thermoset paper sheet material.

REFERENCES:
patent: 2688576 (1954-09-01), Ryan et al.
patent: 2846559 (1958-08-01), Rosenberg
patent: 2993022 (1961-07-01), Coler

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