Method for improving surface properties of shaped articles of po

Details Method for improving surface properties of shaped articles of po Method for improving surface properties of shaped articles of po

1981-06-23

1982-12-21

Newsome, John H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

204169, B05D 304, B05D 314

Patent

active

043649700

ABSTRACT:
A novel method is proposed for improving the surface properties or, in particular, for reducing accumulation of static electricity on the surface of a shaped article of a vinyl chloride-based resin.
The inventive method comprises first exposing the surface of the shaped article to low temperature plasma of a gas having no polymerizability in plasma and then bringing the plasma-treated surface into contact with a liquid which is inert to the resin, e.g. water, or an aqueous solution containing a surface active agent. The effect of the inventive method is so strong and durable that the treated surface remains anti-static even after 12 months after the treatment.

REFERENCES:
patent: 3870610 (1975-03-01), Baird et al.
patent: 3944709 (1976-03-01), Levy
patent: 3959104 (1976-05-01), Fales
patent: 4072769 (1978-02-01), Lidel
patent: 4128426 (1978-12-01), Ohta et al.

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