Encyclopedic Dictionary of Polymers

2011 Edition
| Editors: Jan W. Gooch


  • Jan W. Gooch
Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-6247-8_1619

v(1) A subjective, descriptive, appearance term applied to the metal-like reflectance which sometimes appears at the surface of nonmetallic colored materials. It is perceived at the specular angle, by observing the image of a white light source, for example, and is characterized by a distinct hue of different dominant wavelength than the hue of the paint film itself. The origin of the selective specular reflectance observed is generally considered to be reflectance from very small particle size pigments partially separated from surrounding vehicle at or near the surface. (2) Characteristic metallic luster shown by certain highly colored pigments in full strength, e.g., certain iron and phthalocyanine blues. May also occur with bleeding type pigments in making finishes. (3) Application of imitation gold or other metals either in powder form or in leaves. (4) Printing with a sticky size and dusting same with finely powdered metal particles or flakes to give the appearance of metallic...

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Jan W. Gooch
    • 1
  1. 1.AtlantaUSA