Static dissipative vinyl surface covering materials, methods for

Details Static dissipative vinyl surface covering materials, methods for Static dissipative vinyl surface covering materials, methods for

1990-06-08

1991-11-19

Barr, Josephine

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

252506, 252507, 252518, 252520, 427191, 427195, H04B 106, B05D 302

Patent

active

050664220

ABSTRACT:
Particulate vinyl resin mixed with a liquid premix of carbon black, plasticizer, etc. provides surface resistivities of 10.sup.4 -10.sup.9 ohm/sq. with as little as 0.2 to 5% by weight carbon black in fused sheets or films useful for conductive flooring or wrapping. Overcoating with a plastisol before fusion provides a smooth surface without loss of static dissipative properties. Conductive TiO.sub.2, Sb/SnO.sub.2, organic titanates, dispersions of carbon black and titanium dioxide, di-2-ethylhexyl phthalate, epoxidized soybean oil, polyethylene glycol and organic stabilizer are useful for preparing PVC resin compositions.

REFERENCES:
patent: 4228650 (1980-10-01), Martin et al.
patent: 4374760 (1983-02-01), Charles

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