Affiliation:
1. Anorganische Chemie , Technische Universität Darmstadt , Alarich-Weiß-Str. 12 , Darmstadt , 64287 Germany
Abstract
Abstract
Cerium sulfide pigments belong to the inorganic orange and red pigments. They were developed to substitute cadmium and lead containing red and orange colored pigments, in particular in plastics. Cerium(III) sulfide exists in three allotropic modifications, but only γ-Ce2S3, which is colored dark red, is suitable for the use as a pigment. Cerium sulfide pigments are characterized by high color strength, strong hiding power and sufficient thermal stability. Their limited stability in water containing systems and in humid atmospheres is not without problems. The pigments tend to degradation in the presence of water or humidity to form hydrogen sulfide, which limits the application possibilities significantly.
Subject
General Physics and Astronomy,General Materials Science,General Chemistry
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