Etching a substrate: processes – Etching and coating occur in the same processing chamber
Patent
1998-04-24
2000-03-28
Krynski, William
Etching a substrate: processes
Etching and coating occur in the same processing chamber
216 37, 216 83, 216 26, B44C 122
Patent
active
06042737&
ABSTRACT:
Describes a process for improving the adhesion of polymeric coatings to organic polymeric substrates and photochromic polymeric substrates. The process comprises irradiating the surface of a polymeric substrate prepared from or coated with a monomer composition having acrylic functionality in an oxygen containing environment with ultraviolet light; etching the treated surface; and applying to the etched surface a polymer-forming coating composition. Further described are articles and photochromic articles comprising in combination a polymeric substrate having on at least one surface thereof an adherent coating or photochromic coating prepared by the aforedescribed process.
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Basil John D.
Hunia Robert M.
Hunt Robin
Krynski William
Mallak Frank P.
PPG Industries Ohio Inc.
Shewareged B.
Stein Irwin M.
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