Conductive laminate flooring

Details Conductive laminate flooring Conductive laminate flooring

1986-03-25

1988-02-09

Ives, P. C.

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

428511, 428525, 428530, 428696, 428922, 4285377, 156222, B32B 900, B32B 2708

Patent

active

047241870

ABSTRACT:
A decorative, high pressure, conductive laminate for flooring material is formed of a plurality of phenolic impregnated carbon-containing core sheets, a melamine resin impregnated decor sheet containing about 3-5% carbon fibers having a length greater than 1/16 inch and preferably 1/8 inch or more, and a melamine resin impregnated abrasion resistant overlay. The overlay melamine resin also contains an ionic salt and a tertiary aliphatic amine, both also preferably being in the decor melamine as well. The laminate has a volume resistance of 2.5.times.10.sup.4 to about 10.sup.6 ohms. To make the product more dimensionally stable, carbon containing core sheets are interleaved with non-carbon-containing kraft sheets, the phenolic resin of which also contains ionic salt.

REFERENCES:
patent: 4454199 (1984-06-01), Berbeco
patent: 4472474 (1984-09-01), Grosheim et al.
patent: 4480001 (1984-10-01), Cannady, Jr. et al.

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