Effect pigments based on artificially produced substrates with a narrow size distribution

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专利权人:

エッカルト ゲゼルシャフト ミット ベシュレンクテル ハフツング

发明人:

ギュンター カウップ,ウルリッヒ シュミット,ディーク シューマッハ,ラルフ シュナイダー

申请号：

JP2014077396

公开号：

JP6263427B2

申请日:

2014.04.03

申请国别(地区):

JP

年份:

2018

代理人:

摘要：

Pigment (I) comprises synthetic plate-shaped substrate exhibiting at least an optically active coating, where: (I) exhibits a volume-average total particle size distribution curve with a classification number of D 1 0, D 5 0and D 9 0； the total particle size distribution curve exhibits a particle size distribution with a span (delta D = (D 9 0-D 1 0)/D 5 0) of 0.7-1.4； and the average thickness of synthetic plate-shaped substrate is 500-2000 mm. An independent claim is included for the preparation of (I), comprising size grading the synthetic substrate and coating the synthetic substrate with the coating.

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