Preparation of cured cyanate ester resins and composites for met

Details Preparation of cured cyanate ester resins and composites for met Preparation of cured cyanate ester resins and composites for met

1994-11-14

1996-10-29

Niebling, John

Coating processes

With pretreatment of the base

Preapplied reactant or reaction promoter or hardener

205164, 205167, 205169, 427304, 427307, 427444, C23C 1820

Patent

active

055694934

ABSTRACT:
A method is provided for preparing the surface of a cured cyanate ester resin or composite for metal plating. The composite may comprise graphite fibers embedded in a cured cyanate ester resin matrix The surface is treated with a preheated solution containing an alkali metal salt of an alkoxide. Preferred alkoxides are methoxide, ethoxide, propoxide, isopropoxide, butoxide, tert-butoxide, sec-tutoxide, 2- methyl-2-butoxide, pentoxide and hexoxide. The method of the invention operates to improve adhesion between the treated surface and a subsequently plated metal, such that the resulting cured cyanate ester resin or composite may replace certain metallic components in such applications as aircraft, spacecraft, and automobiles given its highly conductive metallic coating.

REFERENCES:
patent: 3642584 (1972-02-01), Quinn et al.
patent: 3716394 (1973-02-01), Waggoner et al.
patent: 3791848 (1974-02-01), DeAngelo
patent: 4422907 (1983-12-01), Birkmaier et al.
patent: 5286530 (1994-02-01), Karas et al.
patent: 5443865 (1995-08-01), Tisdale et al.
"Chemical Treatments Designed to Improve Adhesion of Metals Deposited on the Surface of Cyanate Ester Composites", communication from Ciba-Geigy Corporation dated Jan. 1994.

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