Colorant

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Color stability and colorant effect on maxillofacial elastomers. Part I: colorant effect on physical properties.

STATEMENT OF PROBLEM The average clinical life span of a maxillofacial prosthesis is approximately 6 months, at which point it needs to be refabricated, mainly because of degradation of the color and physical properties of the prosthesis. PURPOSE This first part of a 3-part study evaluated the effect of coloring agents on the physical properties of maxillofacial elastomers. METHODS AND MATE...

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Colorant Selection for Six-Color Lithographic Printing

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Optimal Colorant Design for Spectral Colour Reproduction

The gamut of a colour space is defined by a number of extreme points. The best inks to achieve an accurate spectral reproduction of a given target are those which span the target’s spectral gamut. Using a modified non-negative matrix factorization (NMF) algorithm we derive m colorants and their spectral curves such that they are the extreme points of the targets gamut. Using the spectral Neugeb...

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Colorant Materials, Additives in Plastic Technology

Pigments and dyes are coloring substances, i.e., substances imparting a specific color to the substrate being colored (Carolin et al. 2015). Pigments and dyes are distinctly different types of colorants. A pigment is a finely divided solid which is essentially insoluble in its polymeric application medium. Pigments are incorporated by a dispersion process into the polymer, while it is in a liqu...

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ژورنال

عنوان ژورنال: Journal of the Japan Society of Colour Material

سال: 1963

ISSN: 0010-180X

DOI: 10.4011/shikizai1937.36.398