Coating processes – With pretreatment of the base – Preapplied reactant or reaction promoter or hardener
Patent
1991-08-14
1995-08-15
Lusignan, Michael
Coating processes
With pretreatment of the base
Preapplied reactant or reaction promoter or hardener
427304, 427305, 4274431, B05D 100
Patent
active
054417708
ABSTRACT:
A process for promoting the adhesion of metal to thermoplastic substrates such as polyetherimides. The improvement comprises conditioning the substrate by treating with an inorganic hydroxide solution prior to subsequent steps of etching and deposition of a metal coating. Use of the conditioner promotes increased adhesion between the substrate and the metal without loss of flexural strength of the substrate throughout subsequent processing steps.
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Ciccolo Paul J.
Currie Robert B.
Knudsen Philip D.
Rychwalski James E.
Dang V. Duang
Goldberg Robert L.
Lusignan Michael
Shipley Company Inc.
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