Composite plastics sheet having conductive surface

Details Composite plastics sheet having conductive surface Composite plastics sheet having conductive surface

1982-05-18

1984-10-23

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

252510, 252518, 428521, 428522, 428 35, B32B 702

Patent

active

044789033

ABSTRACT:
A composite plastics sheet made of a polystyrene base resin or an ABS base resin is provided. The composite plastics sheet has a conductive covering layer laminated by co-extrusion on the face of the substrate sheet. The material for the conductive covering layer is made of a polystyrene base resin or an ABS base resin and mixed with a conductive carbon black material, such as furnace black or channel black, in an amount such that the flow index at the extrusion step thereof at 200.degree. C. and under a loading of 5 kg is not lower than 0.1 g/10 min and such that the surface specific resistance of the resultant mixture is not more than 10.sup.10 ohms.

REFERENCES:
patent: 4009093 (1977-02-01), Luch
patent: 4051298 (1977-09-01), Misiura et al.
patent: 4101050 (1978-07-01), Buckler et al.

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