Method of removing a cured epoxy from a metal surface

Details Method of removing a cured epoxy from a metal surface Method of removing a cured epoxy from a metal surface

1978-04-26

1979-10-16

Massie, Jerome W.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156633, 156656, 156668, 156322, 156330, 250492R, B29C 1708

Patent

active

041712404

ABSTRACT:
A method of removing a cured epoxy from a surface is disclosed. The method comprises treating at least the epoxy with a suitable swelling agent to swell the epoxy. The swelled epoxy is then treated with an oxidizing agent to oxidize the swelled epoxy. The oxidized epoxy is then treated with an etchant comprising sulfuric acid to remove the epoxy from the surface.

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Reed, "Etching of Epoxy Glass Circuit Board," IBM Technical Disclosure Bulletin, vol. 6, No. 8 (1/64) p. 82.

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