| 摘要 |
PURPOSE:To provide an electrically conductive paint for the coating of an electric or electronic circuit, etc., keeping its electrical conductivity stably for a long period, and resistant to the degradation of the electrical conductivity of the coating film even under the exposure to a hot atmosphere, by adding a phosphorous acid ester to a paint composition composed mainly of the powder of copper, etc. and a resin component. CONSTITUTION:The objective paint can be prepared by compounding (A) preferably 50-95pts.(wt.) of the powder of copper or a copper alloy with (B) 5-50pts. of a resin component (e.g. acrylic ester resin), and adding (C) 0.1-10pts. of a phosphorous acid ester (e.g. trimethyl phosphite) to 100pts. of the mixture of the components (A) and (B). EFFECT:The cost can be reduced compared with a copper-based conductor.
|
