Pearlescent pigment based on fine, thin substrates
Pearlescent pigment comprises a substantially transparent, platelet-shaped substrate having a thickness of delta sand at least one optically active coating having a thickness of delta m, where the substrate has an average size (d 5 0) of 3-8 mu m and an average height (h s) of 40-110 nm. Independent...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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