High-strength black polyurethane articles

A method of producing a black polyurethane article comprising the steps of a) providing a polyol composition;

• b) providing an isocyanate composition;
• wherein at least one of the compositions of steps
• “a” and “b” comprises a black colorant formulation comprising at least one toner compound exhibiting at least one absorption peak and a λmax between 560 and 610 nm within said polyurethane article;
• and wherein said at least one toner compound exhibits a half-height bandwidth range of between 40 and 130 nm in relation to said at least one absorption peak;
• and
• c) reacting all of the compositions from steps “a” and “b” together in the presence of a suitable catalyst to produce said polyurethane article.

A method of producing a black polyurethane article comprising the steps of

• c) providing a polyol composition;
• d) providing an isocyanate composition;
• wherein at least one of the compositions of steps
• “a” and “b” comprises a black colorant formulation comprising a toner combination of compounds that comprises a first compound exhibiting a single absorption peak and a λmax between 560 and 575 nm and a second compound exhibiting a single absorption peak and a λmax between 576 and 610 nm;
• and
• c) reacting all of the compositions from steps “a” and “b” together in the presence of a suitable catalyst to produce said polyurethane article.