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Method for modifying the surface of a substrate

  • US 20040241451A1
  • Filed: 05/29/2003
  • Published: 12/02/2004
  • Est. Priority Date: 05/29/2003
  • Status: Active Grant
First Claim
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1. A method of modifying a surface of a substrate comprising:

  • providing a substrate having a surface;

    digitally applying a first fixable fluid material to at least a portion of the surface of the substrate;

    fixing the first fixable fluid material to provide a first fixed coating on at least a portion of the surface of the substrate, wherein the first fixed coating has a first average receding contact angle with water;

    digitally applying a second fixable fluid material to at least one of a portion of the surface of the substrate and a portion of the first fixed coating; and

    fixing the second fluid material to provide a second fixed coating, wherein the second fixed coating is adjacent to the first fixed coating, wherein the second fixed coating has a second average receding contact angle with water, wherein the magnitude of the difference between the first and second average receding contact angles is at least 30 degrees.

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