发明名称 Effect pigments with an outer protective coating comprising zinc oxide
摘要 The present invention relates to effect pigments based on substrates having an outer coating comprising metal oxide, hydroxide and/or oxide hydrate and at least one organic coupling agent.
申请公布号 US8821627(B2) 申请公布日期 2014.09.02
申请号 US201113881820 申请日期 2011.10.12
申请人 Merck Patent GmbH 发明人 Kunii Koshiro
分类号 C09D11/02;C04B14/00;C08K5/5425;C09C1/00;C09D5/36;C08K3/22;C08K5/5435;C08K5/54 主分类号 C09D11/02
代理机构 Millen, White, Zelano & Branigan, P.C. 代理人 Millen, White, Zelano & Branigan, P.C.
主权项 1. Effect pigments based on substrates having an outer coating comprising A) zinc oxide, hydroxide and/or oxide hydrate, B) at least one metal oxide, hydroxide and/or oxide hydrate, and C), at least three organic coupling agents selected from alkyl silanes, epoxy silanes, (meth)acryl silanes, amino silanes, vinyl silanes and mixtures thereof and wherein the outer coating has a carbon content of ≧0.5% by weight based on the total weight of effect pigment.
地址 Darmstadt DE