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NOUVEAUX PIGMENTS À INTERFÉRENCE FLIP-FLOP
专利权人:
Shantou Longhua Pearl Lustre Pigments Co.; Ltd
发明人:
申请号:
EP10776921.8
公开号:
EP2508571A1
申请日:
2010.02.24
申请国别(地区):
EP
年份:
2012
代理人:
摘要:
An angle-dependent interference pigment based on transparent or translucent inorganic flake serving as a substrate is provided. The substrate is coated by coatings (A)+(B)+(C) and optionally coating (D), so as to form a "high-low-high" refractive index layered structure. The coatings (A) and (C) consist of metal oxides, silicate, aluminates and/ or a mixture thereof. The coating (B) consist of silicon oxide, hydrous silicon oxide, aluminum oxide, hydrous aluminum oxide, magnesium oxide, hydrous magnesium oxide and/ or a mixture thereof. The angle-dependent interference pigments have high color saturation in the transitional region and a significantly gradual color change in the color changing region. The present pigments can be used as colored coatings, including printing ink, or can be used in the preparation of plastics, glass, ceramics and the like. The pigment of the present invention is particularly used in the cosmetic industry which has a very high requirement on gradual color change.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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