发明名称 |
Surface-modified pigments and their use against yellowing of pigmented synthetic materials |
摘要 |
<p>The invention relates to surface-modified pigments based on TiO2 pigments or plateletlike substrates coated with TiO2, which are coated with a layer comprising borates of the alkaline earth metals and/or double borates of the alkali and/or alkaline earth metals, and to their use for inhibiting yellowing of plastics and polymer systems.</p> |
申请公布号 |
EP0641842(B1) |
申请公布日期 |
1998.05.06 |
申请号 |
EP19940112797 |
申请日期 |
1994.08.17 |
申请人 |
MERCK PATENT GMBH |
发明人 |
SCHRAML-MARTH, MATTHIAS, DR. |
分类号 |
C08K9/02;C09C1/00;C09C1/36;C09C3/06;(IPC1-7):C09C1/36 |
主分类号 |
C08K9/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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