Transparent electroconductive material and process for preparati

Details Transparent electroconductive material and process for preparati Transparent electroconductive material and process for preparati

1986-09-12

1988-07-19

McCamish, Marion

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

428 1, 428195, 428500, 428697, 428917, C09K 1900

Patent

active

047584645

ABSTRACT:
Described is a transparent electroconductive material composed of a transparent synthetic resin substrate and a transparent electroconductive film formed on the resin substrate. At least a surface portion of the resin substrate on which the electroconductive film is formed satisfies a requirement represented by the formula: F x Hv=0.4 wherein F is the mole number (.mu.mole/cm.sup.2) of a basic dye that can react with or adhere to the unit area of the surface of the synthetic resin, and Hv is the Vickers hardness as determined according to JIS Z-2244. The absolute value of the photoelasticity constant of the resin substrate below the glass transition temperature thereof is not larger than 15 Brewsters. A preferred transparent electroconductive material is prepared by coating an active energy ray-curing composition satisfying a requirement represented by the above formula on a surface of the transparent synthetic resin substrate having the above-mentioned absolute value of the photoelasticity constant; curing the composition with active energy rays; and forming a transparent electroconductive film on the coating layer by a low-temperature sputtering method at a temperature lower than 100.degree. C.

REFERENCES:
patent: 4629637 (1986-12-01), Waldenrath

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