Method for modifying surface properties of a shaped article of a

Details Method for modifying surface properties of a shaped article of a Method for modifying surface properties of a shaped article of a

1981-02-02

1982-03-02

Derrington, James H.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 83, 264 85, 264232, 264233, 264340, 204165, B29C 2500

Patent

active

043177883

ABSTRACT:
A novel method is proposed for improving the surface properties or, in particular, for increasing the affinity to water of and for reducing accumulation of static electricity on the surface of a shaped article made of an acrylic 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 an aqueous solution containing a surface active agent. The effect of the inventive method is so strong and durable that the treated surface remains antistatic even 6 months after the treatment.

REFERENCES:
patent: 3846521 (1974-11-01), Osterholtz
patent: 3888753 (1975-06-01), Kiikka et al.
patent: 3992495 (1976-11-01), Sano et al.
patent: 4046843 (1977-09-01), Sano et al.
patent: 4107049 (1978-08-01), Sano et al.
patent: 4147745 (1979-04-01), Sano et al.

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