| 发明名称 |
COMPOSICAO DE REVESTIMENTO |
| 摘要 |
<p>A coating composition prepared by simultaneously hydrolyzing 20 to 50 wt. % tetraethylorthosilicate, 37 to 60 wt. % of certain silanes and 15 to 35 wt. % formalin has good abrasion resistance and resistance to crazing on substrates having a high affinity for water as well as those with a low affinity for water.</p> |
| 申请公布号 |
BR7904879(A) |
申请公布日期 |
1980.06.17 |
| 申请号 |
BR19797904879 |
申请日期 |
1979.07.30 |
| 申请人 |
AMERICAN OPTICAL CORP |
发明人 |
ROTENBERG D;LAURIN B;CUFFE P |
| 分类号 |
C08G77/02;C08G77/00;C08G77/06;C09D183/04;(IPC1-7):G02C7/02 |
主分类号 |
C08G77/02 |
| 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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