Conductive sheet having electromagnetic interference shielding f

Details Conductive sheet having electromagnetic interference shielding f Conductive sheet having electromagnetic interference shielding f

1988-09-27

1990-07-24

McCamish, Marion C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

174 35MS, 428288, 428296, 428297, B32B 2700

Patent

active

049434772

ABSTRACT:
A conductive sheet is disclosed, which consists of a nonwoven fabric consisting of 40 to 90 wt % of a heat fusible fiber comprising a vinyl chloride/vinyl acetate copolymer and 10 to 60 wt % of a metal-plated fiber having a fiber diameter of 3 to 50 .mu.m and an aspect ratio of 1,000 to 10,000, wherein the nonwoven fabric is hot-press molded and wherein the conductive sheet has a metal content of 2 to 30% by weight and a specific volume of at most 2 cm.sup.3 /g. The conductive sheet has excellent electromagnetic interference shielding and electrical control effects.

REFERENCES:
patent: 4684762 (1987-08-01), Gladfelter
patent: 4781971 (1988-11-01), Marikar

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