发明名称 |
Coating composition for an optical article, comprising a colloidal suspension of zirconia particles |
摘要 |
The present invention pertains to a coating composition comprising a colloidal suspension of specific zirconia nano-particles, at least one epoxysilane and at least one catalyst. It also pertains to a method for preparing this composition, and to its use for coating a transparent optical substrate. This invention is also directed to an optical article, such as an ophthalmic lens, comprising a transparent polymer substrate, especially an acrylic substrate, and a coating prepared from the aforesaid composition, which is directly applied on said substrate. |
申请公布号 |
EP2610318(A1) |
申请公布日期 |
2013.07.03 |
申请号 |
EP20110306815 |
申请日期 |
2011.12.30 |
申请人 |
ESSILOR INTERNATIONAL (COMPAGNIE GENERALE D'OPTIQUE) |
发明人 |
LECLAIRE, YVES;PEGA, STEPHANIE |
分类号 |
C09D183/04;C08K3/20;G02B1/10 |
主分类号 |
C09D183/04 |
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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