Method and composition for the removal of phenolic resin coating

Details Method and composition for the removal of phenolic resin coating Method and composition for the removal of phenolic resin coating

1980-01-03

1981-09-22

Lusignan, Michael R.

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 38, 252142, 252146, 427156, 427353, 428443, 428524, C23G 102, C11D 700, C23G 102

Patent

active

042908191

ABSTRACT:
A composition and process for the removal of phenolic resin composites from aluminum and its alloys which results in a minimum of corrosion to said metals. The process uses a solvent solution of nitric acid, a hexavalent chromium and incidental water in the proportions of about 0.01-0.12 moles of hexavalent chromium and 1-1.7 moles of H.sub.2 O per mole HNO.sub.3.

REFERENCES:
patent: 3349036 (1967-10-01), Campbell
patent: 3676219 (1972-07-01), Schroeder et al.

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