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Method and a composition for producing an undercoat layer using dialkyl malonate blocked isocyanates (for electrophotographic applications)

  • US 20060009576A1
  • Filed: 07/09/2004
  • Published: 01/12/2006
  • Est. Priority Date: 07/09/2004
  • Status: Active Grant
First Claim
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1. A method for coating an electrophotographic process element with a conductive surface smoothing polyurethane layer;

  • the method comprising;

    a) producing a coating solution comprising a dialkyl malonate capped isocyanate or polyisocyanate, a polyol and at least one finely divided metal oxide or mixtures thereof;

    b) coating the substrate with the coating solution to produce a coated substrate; and

    , c) heating the coated substrate at a temperature up to about 140°

    C.

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