Process for pretreating surfaces of plastic items

Details Process for pretreating surfaces of plastic items Process for pretreating surfaces of plastic items

1995-06-02

1996-09-03

Lipman, Bernard

Stock material or miscellaneous articles

Composite

Of polycarbonate

428457, 428458, 428460, 428461, 428465, B32B 7736

Patent

active

055522262

ABSTRACT:
In order to improve the adhesion of coatings, especially metal coatings, to the surfaces of plastic components, the latter are pretreated in low-pressure plasma with a process gas containing sulphur hexafluoride (SF.sub.6) which is substantially free of oxygen, the plastic surfaces being kept free of fluorine deposits or inclusions during the pretreatment.

REFERENCES:
patent: 4264750 (1991-04-01), Anand et al.
patent: 4404256 (1983-09-01), Anand et al.
patent: 4575475 (1986-03-01), Nakayama et al.
Morita and Hattori; Applications of Plasma Polymerization, Pure and Appl. Chem. vol. 57, No. 9, pp. 1277-1286, (1985).
Abstract of J59-12943-A (Patent Abstracts of Japan; May 9, 1984).
Abstract of J59-142229-A (Aug. 1984).
Abstract of J58-147433 (Sep. 1983).
Orbit Abstract of FR2461731 (1981).
Orbit Abstract of DE3739994 (1989).
Orbit Abstract of DE3425755 (1985).

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