22.
    发明专利
    未知

    公开(公告)号:FI954962A

    公开(公告)日:1996-04-22

    申请号:FI954962

    申请日:1995-10-18

    Applicant: BASF AG

    Abstract: A lustrous pigment consisting of a no. of coatings on a metallic platelet substrate has the following coatings: (A) a colourless coating of Refractive Index (RI) n = 1.8 or below; (B) a selectively - absorbing coating of RI n = 2.0 or above; and opt. also (C) an outer colourless or selectively - absorbing coating differing from the underlying (B) coating. Also claimed is prodn. of the pigment by successively coating the substrate with the coatings by gas phase decompsn. of volatile metal cpds. in presence of O2 and/or steam or by hydrolytic decompsn. of organometallic cpds.

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