Electrically conductive polymer concrete coatings

Compositions – Electrically conductive or emissive compositions – Elemental carbon containing

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H01B 106

Patent

active

049081578

ABSTRACT:
A sprayable electrically conductive polymer concrete coating for vertical d overhead applications is described. The coating is permeable yet has low electrical resistivity (<10 ohm-cm), good bond strength to concrete substrates, and good weatherability. A preferred formulation contains about 60 wt % calcined coke breeze, 40 wt % vinyl ester with 3.5 wt % modified bentonite clay. Such formulations apply evenly and provide enough rigidity for vertical or overhead structures so there is no drip or sag.

REFERENCES:
patent: 3334040 (1967-08-01), Conrad et al.

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