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FORMING PLASTIC PARTS HAVING SURFACES RECEPTIVE TO ADHERENT COATINGS

  • US 3,620,933 A
  • Filed: 12/31/1969
  • Issued: 11/16/1971
  • Est. Priority Date: 12/31/1969
  • Status: Expired due to Term
First Claim
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2. The method of claim 1 wherein the said anodically treated aluminum foil is stripped from the laminate by treating it for about 2 to about 30 minutes at a temperature of about 80* to about 180* F. with an aqueous solution of a material selected from the group consisting of sodium hydroxide, potassium hydroxide, lithium hydroxide and hydrochloric acid.

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