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Heat transfer printing

  • US 4,367,071 A
  • Filed: 02/04/1981
  • Issued: 01/04/1983
  • Est. Priority Date: 11/28/1977
  • Status: Expired due to Term
First Claim
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1. A transfer sheet comprising a substrate sheet and a coloring layer provided thereon, the coloring layer containingfrom about 1 to about 80 weight percent of a coloring agent comprising at least one of carbinol bases of basic dyes and their derivatives, wherein each of said derivatives is the product of the reaction between a corresponding basic dye and an alcoholate, and said coloring agent is sublimable at a temperature between about 80°

  • C. and about 250°

    C.;

    from about 1 to about 80 weight percent of a strong base, wherein the mole ratio of said strong base to said coloring agent is between about 1;

    1 to about 40;

    1; and

    the remainder a binder, wherein all weight percents are based on the total weight of said coloring layer.

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