Organo-Ultramarine Pigments – the story continues…..

Dr. Mark Vincent

Dominion Colour Corporation

Ultramarine blue is a core pigment used in the plastics industry. It is a bright red shade blue pigment offering exceptional performance properties such as being heat stable, light fast, migration resistant and non-warping in poly olefins at a good cost/performance ratio.  Despite such exceptional performance properties the ultramarine chemistry is limited in colour breadth or “functionality” to blue, pink and violet.  Organic pigments on the other hand can span the total colour space from yellows through to reds, violets, greens and blues.  However within the organic chemistry area, each pigment family has performance benefits and negatives.  For example, phthalocyanine blue has exceptional light and weatherfastness but for the most part has poor warping properties in poly olefins. This paper continues the story introduced in 2015 with the latest developments within a new class of pigments, namely Organo-Ultramarine pigment.  This new family of pigments utilises the lattice structure of ultramarine pigments chemically bound to an organic chromophore.  With the broad colour functionality of organic pigments combined with many of the performance benefits of ultramarine pigments they present an interesting new concept for the plastics industry, expanding the colour potential, in particular in engineering resins.

Biography – Dr. Mark Vincent

Dr. Vincent is the Executive VP at Dominion Colour. Within his role he is responsible for the global R&D, technical service, regulatory, sales, marketing and manufacture of organic and lead chromate pigments for the company.

Dr. Vincent holds a BSc and PhD in Organic Colour Chemistry from the University of Wales, Cardiff, UK. After his earning his PhD, Mark joined the Pigment Research and Development group at Ciba, Scotland in 1995 as a Research Chemist during which time he participated in the development and improvement of many organic pigments.